![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
| author | Junio C Hamano <gitster@pobox.com> | |
| Sat, 6 Feb 2010 05:22:59 +0000 (21:22 -0800) | ||
| committer | Junio C Hamano <gitster@pobox.com> | |
| Sat, 6 Feb 2010 05:22:59 +0000 (21:22 -0800) |
* git://git.kernel.org/pub/scm/gitk/gitk:
gitk: Fix copyright symbol in About box message
gitk: Fix copyright symbol in About box message
| 1 | 2 | |||
|---|---|---|---|---|
| gitk-git/gitk | patch | | diff1 | | | | blob | history |
diff --cc gitk-git/gitk
index 48cfce3a0e7cbe0148a4db3776008945e4b064b9,0000000000000000000000000000000000000000..1f36a3e815865fcc72b171b497f5c4e341e148ee
mode 100644,000000..100644
mode 100644,000000..100644
--- 1/gitk-git/gitk
--- /dev/null
+++ b/gitk-git/gitk
- Copyright \u00a9 2005-2009 Paul Mackerras
+#!/bin/sh
+# Tcl ignores the next line -*- tcl -*- \
+exec wish "$0" -- "$@"
+
+# Copyright © 2005-2009 Paul Mackerras. All rights reserved.
+# This program is free software; it may be used, copied, modified
+# and distributed under the terms of the GNU General Public Licence,
+# either version 2, or (at your option) any later version.
+
+package require Tk
+
+proc gitdir {} {
+ global env
+ if {[info exists env(GIT_DIR)]} {
+ return $env(GIT_DIR)
+ } else {
+ return [exec git rev-parse --git-dir]
+ }
+}
+
+# A simple scheduler for compute-intensive stuff.
+# The aim is to make sure that event handlers for GUI actions can
+# run at least every 50-100 ms. Unfortunately fileevent handlers are
+# run before X event handlers, so reading from a fast source can
+# make the GUI completely unresponsive.
+proc run args {
+ global isonrunq runq currunq
+
+ set script $args
+ if {[info exists isonrunq($script)]} return
+ if {$runq eq {} && ![info exists currunq]} {
+ after idle dorunq
+ }
+ lappend runq [list {} $script]
+ set isonrunq($script) 1
+}
+
+proc filerun {fd script} {
+ fileevent $fd readable [list filereadable $fd $script]
+}
+
+proc filereadable {fd script} {
+ global runq currunq
+
+ fileevent $fd readable {}
+ if {$runq eq {} && ![info exists currunq]} {
+ after idle dorunq
+ }
+ lappend runq [list $fd $script]
+}
+
+proc nukefile {fd} {
+ global runq
+
+ for {set i 0} {$i < [llength $runq]} {} {
+ if {[lindex $runq $i 0] eq $fd} {
+ set runq [lreplace $runq $i $i]
+ } else {
+ incr i
+ }
+ }
+}
+
+proc dorunq {} {
+ global isonrunq runq currunq
+
+ set tstart [clock clicks -milliseconds]
+ set t0 $tstart
+ while {[llength $runq] > 0} {
+ set fd [lindex $runq 0 0]
+ set script [lindex $runq 0 1]
+ set currunq [lindex $runq 0]
+ set runq [lrange $runq 1 end]
+ set repeat [eval $script]
+ unset currunq
+ set t1 [clock clicks -milliseconds]
+ set t [expr {$t1 - $t0}]
+ if {$repeat ne {} && $repeat} {
+ if {$fd eq {} || $repeat == 2} {
+ # script returns 1 if it wants to be readded
+ # file readers return 2 if they could do more straight away
+ lappend runq [list $fd $script]
+ } else {
+ fileevent $fd readable [list filereadable $fd $script]
+ }
+ } elseif {$fd eq {}} {
+ unset isonrunq($script)
+ }
+ set t0 $t1
+ if {$t1 - $tstart >= 80} break
+ }
+ if {$runq ne {}} {
+ after idle dorunq
+ }
+}
+
+proc reg_instance {fd} {
+ global commfd leftover loginstance
+
+ set i [incr loginstance]
+ set commfd($i) $fd
+ set leftover($i) {}
+ return $i
+}
+
+proc unmerged_files {files} {
+ global nr_unmerged
+
+ # find the list of unmerged files
+ set mlist {}
+ set nr_unmerged 0
+ if {[catch {
+ set fd [open "| git ls-files -u" r]
+ } err]} {
+ show_error {} . "[mc "Couldn't get list of unmerged files:"] $err"
+ exit 1
+ }
+ while {[gets $fd line] >= 0} {
+ set i [string first "\t" $line]
+ if {$i < 0} continue
+ set fname [string range $line [expr {$i+1}] end]
+ if {[lsearch -exact $mlist $fname] >= 0} continue
+ incr nr_unmerged
+ if {$files eq {} || [path_filter $files $fname]} {
+ lappend mlist $fname
+ }
+ }
+ catch {close $fd}
+ return $mlist
+}
+
+proc parseviewargs {n arglist} {
+ global vdatemode vmergeonly vflags vdflags vrevs vfiltered vorigargs env
+
+ set vdatemode($n) 0
+ set vmergeonly($n) 0
+ set glflags {}
+ set diffargs {}
+ set nextisval 0
+ set revargs {}
+ set origargs $arglist
+ set allknown 1
+ set filtered 0
+ set i -1
+ foreach arg $arglist {
+ incr i
+ if {$nextisval} {
+ lappend glflags $arg
+ set nextisval 0
+ continue
+ }
+ switch -glob -- $arg {
+ "-d" -
+ "--date-order" {
+ set vdatemode($n) 1
+ # remove from origargs in case we hit an unknown option
+ set origargs [lreplace $origargs $i $i]
+ incr i -1
+ }
+ "-[puabwcrRBMC]" -
+ "--no-renames" - "--full-index" - "--binary" - "--abbrev=*" -
+ "--find-copies-harder" - "-l*" - "--ext-diff" - "--no-ext-diff" -
+ "--src-prefix=*" - "--dst-prefix=*" - "--no-prefix" -
+ "-O*" - "--text" - "--full-diff" - "--ignore-space-at-eol" -
+ "--ignore-space-change" - "-U*" - "--unified=*" {
+ # These request or affect diff output, which we don't want.
+ # Some could be used to set our defaults for diff display.
+ lappend diffargs $arg
+ }
+ "--raw" - "--patch-with-raw" - "--patch-with-stat" -
+ "--name-only" - "--name-status" - "--color" - "--color-words" -
+ "--log-size" - "--pretty=*" - "--decorate" - "--abbrev-commit" -
+ "--cc" - "-z" - "--header" - "--parents" - "--boundary" -
+ "--no-color" - "-g" - "--walk-reflogs" - "--no-walk" -
+ "--timestamp" - "relative-date" - "--date=*" - "--stdin" -
+ "--objects" - "--objects-edge" - "--reverse" {
+ # These cause our parsing of git log's output to fail, or else
+ # they're options we want to set ourselves, so ignore them.
+ }
+ "--stat=*" - "--numstat" - "--shortstat" - "--summary" -
+ "--check" - "--exit-code" - "--quiet" - "--topo-order" -
+ "--full-history" - "--dense" - "--sparse" -
+ "--follow" - "--left-right" - "--encoding=*" {
+ # These are harmless, and some are even useful
+ lappend glflags $arg
+ }
+ "--diff-filter=*" - "--no-merges" - "--unpacked" -
+ "--max-count=*" - "--skip=*" - "--since=*" - "--after=*" -
+ "--until=*" - "--before=*" - "--max-age=*" - "--min-age=*" -
+ "--author=*" - "--committer=*" - "--grep=*" - "-[iE]" -
+ "--remove-empty" - "--first-parent" - "--cherry-pick" -
+ "-S*" - "--pickaxe-all" - "--pickaxe-regex" -
+ "--simplify-by-decoration" {
+ # These mean that we get a subset of the commits
+ set filtered 1
+ lappend glflags $arg
+ }
+ "-n" {
+ # This appears to be the only one that has a value as a
+ # separate word following it
+ set filtered 1
+ set nextisval 1
+ lappend glflags $arg
+ }
+ "--not" - "--all" {
+ lappend revargs $arg
+ }
+ "--merge" {
+ set vmergeonly($n) 1
+ # git rev-parse doesn't understand --merge
+ lappend revargs --gitk-symmetric-diff-marker MERGE_HEAD...HEAD
+ }
+ "--no-replace-objects" {
+ set env(GIT_NO_REPLACE_OBJECTS) "1"
+ }
+ "-*" {
+ # Other flag arguments including -<n>
+ if {[string is digit -strict [string range $arg 1 end]]} {
+ set filtered 1
+ } else {
+ # a flag argument that we don't recognize;
+ # that means we can't optimize
+ set allknown 0
+ }
+ lappend glflags $arg
+ }
+ default {
+ # Non-flag arguments specify commits or ranges of commits
+ if {[string match "*...*" $arg]} {
+ lappend revargs --gitk-symmetric-diff-marker
+ }
+ lappend revargs $arg
+ }
+ }
+ }
+ set vdflags($n) $diffargs
+ set vflags($n) $glflags
+ set vrevs($n) $revargs
+ set vfiltered($n) $filtered
+ set vorigargs($n) $origargs
+ return $allknown
+}
+
+proc parseviewrevs {view revs} {
+ global vposids vnegids
+
+ if {$revs eq {}} {
+ set revs HEAD
+ }
+ if {[catch {set ids [eval exec git rev-parse $revs]} err]} {
+ # we get stdout followed by stderr in $err
+ # for an unknown rev, git rev-parse echoes it and then errors out
+ set errlines [split $err "\n"]
+ set badrev {}
+ for {set l 0} {$l < [llength $errlines]} {incr l} {
+ set line [lindex $errlines $l]
+ if {!([string length $line] == 40 && [string is xdigit $line])} {
+ if {[string match "fatal:*" $line]} {
+ if {[string match "fatal: ambiguous argument*" $line]
+ && $badrev ne {}} {
+ if {[llength $badrev] == 1} {
+ set err "unknown revision $badrev"
+ } else {
+ set err "unknown revisions: [join $badrev ", "]"
+ }
+ } else {
+ set err [join [lrange $errlines $l end] "\n"]
+ }
+ break
+ }
+ lappend badrev $line
+ }
+ }
+ error_popup "[mc "Error parsing revisions:"] $err"
+ return {}
+ }
+ set ret {}
+ set pos {}
+ set neg {}
+ set sdm 0
+ foreach id [split $ids "\n"] {
+ if {$id eq "--gitk-symmetric-diff-marker"} {
+ set sdm 4
+ } elseif {[string match "^*" $id]} {
+ if {$sdm != 1} {
+ lappend ret $id
+ if {$sdm == 3} {
+ set sdm 0
+ }
+ }
+ lappend neg [string range $id 1 end]
+ } else {
+ if {$sdm != 2} {
+ lappend ret $id
+ } else {
+ lset ret end $id...[lindex $ret end]
+ }
+ lappend pos $id
+ }
+ incr sdm -1
+ }
+ set vposids($view) $pos
+ set vnegids($view) $neg
+ return $ret
+}
+
+# Start off a git log process and arrange to read its output
+proc start_rev_list {view} {
+ global startmsecs commitidx viewcomplete curview
+ global tclencoding
+ global viewargs viewargscmd viewfiles vfilelimit
+ global showlocalchanges
+ global viewactive viewinstances vmergeonly
+ global mainheadid viewmainheadid viewmainheadid_orig
+ global vcanopt vflags vrevs vorigargs
+
+ set startmsecs [clock clicks -milliseconds]
+ set commitidx($view) 0
+ # these are set this way for the error exits
+ set viewcomplete($view) 1
+ set viewactive($view) 0
+ varcinit $view
+
+ set args $viewargs($view)
+ if {$viewargscmd($view) ne {}} {
+ if {[catch {
+ set str [exec sh -c $viewargscmd($view)]
+ } err]} {
+ error_popup "[mc "Error executing --argscmd command:"] $err"
+ return 0
+ }
+ set args [concat $args [split $str "\n"]]
+ }
+ set vcanopt($view) [parseviewargs $view $args]
+
+ set files $viewfiles($view)
+ if {$vmergeonly($view)} {
+ set files [unmerged_files $files]
+ if {$files eq {}} {
+ global nr_unmerged
+ if {$nr_unmerged == 0} {
+ error_popup [mc "No files selected: --merge specified but\
+ no files are unmerged."]
+ } else {
+ error_popup [mc "No files selected: --merge specified but\
+ no unmerged files are within file limit."]
+ }
+ return 0
+ }
+ }
+ set vfilelimit($view) $files
+
+ if {$vcanopt($view)} {
+ set revs [parseviewrevs $view $vrevs($view)]
+ if {$revs eq {}} {
+ return 0
+ }
+ set args [concat $vflags($view) $revs]
+ } else {
+ set args $vorigargs($view)
+ }
+
+ if {[catch {
+ set fd [open [concat | git log --no-color -z --pretty=raw --parents \
+ --boundary $args "--" $files] r]
+ } err]} {
+ error_popup "[mc "Error executing git log:"] $err"
+ return 0
+ }
+ set i [reg_instance $fd]
+ set viewinstances($view) [list $i]
+ set viewmainheadid($view) $mainheadid
+ set viewmainheadid_orig($view) $mainheadid
+ if {$files ne {} && $mainheadid ne {}} {
+ get_viewmainhead $view
+ }
+ if {$showlocalchanges && $viewmainheadid($view) ne {}} {
+ interestedin $viewmainheadid($view) dodiffindex
+ }
+ fconfigure $fd -blocking 0 -translation lf -eofchar {}
+ if {$tclencoding != {}} {
+ fconfigure $fd -encoding $tclencoding
+ }
+ filerun $fd [list getcommitlines $fd $i $view 0]
+ nowbusy $view [mc "Reading"]
+ set viewcomplete($view) 0
+ set viewactive($view) 1
+ return 1
+}
+
+proc stop_instance {inst} {
+ global commfd leftover
+
+ set fd $commfd($inst)
+ catch {
+ set pid [pid $fd]
+
+ if {$::tcl_platform(platform) eq {windows}} {
+ exec kill -f $pid
+ } else {
+ exec kill $pid
+ }
+ }
+ catch {close $fd}
+ nukefile $fd
+ unset commfd($inst)
+ unset leftover($inst)
+}
+
+proc stop_backends {} {
+ global commfd
+
+ foreach inst [array names commfd] {
+ stop_instance $inst
+ }
+}
+
+proc stop_rev_list {view} {
+ global viewinstances
+
+ foreach inst $viewinstances($view) {
+ stop_instance $inst
+ }
+ set viewinstances($view) {}
+}
+
+proc reset_pending_select {selid} {
+ global pending_select mainheadid selectheadid
+
+ if {$selid ne {}} {
+ set pending_select $selid
+ } elseif {$selectheadid ne {}} {
+ set pending_select $selectheadid
+ } else {
+ set pending_select $mainheadid
+ }
+}
+
+proc getcommits {selid} {
+ global canv curview need_redisplay viewactive
+
+ initlayout
+ if {[start_rev_list $curview]} {
+ reset_pending_select $selid
+ show_status [mc "Reading commits..."]
+ set need_redisplay 1
+ } else {
+ show_status [mc "No commits selected"]
+ }
+}
+
+proc updatecommits {} {
+ global curview vcanopt vorigargs vfilelimit viewinstances
+ global viewactive viewcomplete tclencoding
+ global startmsecs showneartags showlocalchanges
+ global mainheadid viewmainheadid viewmainheadid_orig pending_select
+ global isworktree
+ global varcid vposids vnegids vflags vrevs
+
+ set isworktree [expr {[exec git rev-parse --is-inside-work-tree] == "true"}]
+ rereadrefs
+ set view $curview
+ if {$mainheadid ne $viewmainheadid_orig($view)} {
+ if {$showlocalchanges} {
+ dohidelocalchanges
+ }
+ set viewmainheadid($view) $mainheadid
+ set viewmainheadid_orig($view) $mainheadid
+ if {$vfilelimit($view) ne {}} {
+ get_viewmainhead $view
+ }
+ }
+ if {$showlocalchanges} {
+ doshowlocalchanges
+ }
+ if {$vcanopt($view)} {
+ set oldpos $vposids($view)
+ set oldneg $vnegids($view)
+ set revs [parseviewrevs $view $vrevs($view)]
+ if {$revs eq {}} {
+ return
+ }
+ # note: getting the delta when negative refs change is hard,
+ # and could require multiple git log invocations, so in that
+ # case we ask git log for all the commits (not just the delta)
+ if {$oldneg eq $vnegids($view)} {
+ set newrevs {}
+ set npos 0
+ # take out positive refs that we asked for before or
+ # that we have already seen
+ foreach rev $revs {
+ if {[string length $rev] == 40} {
+ if {[lsearch -exact $oldpos $rev] < 0
+ && ![info exists varcid($view,$rev)]} {
+ lappend newrevs $rev
+ incr npos
+ }
+ } else {
+ lappend $newrevs $rev
+ }
+ }
+ if {$npos == 0} return
+ set revs $newrevs
+ set vposids($view) [lsort -unique [concat $oldpos $vposids($view)]]
+ }
+ set args [concat $vflags($view) $revs --not $oldpos]
+ } else {
+ set args $vorigargs($view)
+ }
+ if {[catch {
+ set fd [open [concat | git log --no-color -z --pretty=raw --parents \
+ --boundary $args "--" $vfilelimit($view)] r]
+ } err]} {
+ error_popup "[mc "Error executing git log:"] $err"
+ return
+ }
+ if {$viewactive($view) == 0} {
+ set startmsecs [clock clicks -milliseconds]
+ }
+ set i [reg_instance $fd]
+ lappend viewinstances($view) $i
+ fconfigure $fd -blocking 0 -translation lf -eofchar {}
+ if {$tclencoding != {}} {
+ fconfigure $fd -encoding $tclencoding
+ }
+ filerun $fd [list getcommitlines $fd $i $view 1]
+ incr viewactive($view)
+ set viewcomplete($view) 0
+ reset_pending_select {}
+ nowbusy $view [mc "Reading"]
+ if {$showneartags} {
+ getallcommits
+ }
+}
+
+proc reloadcommits {} {
+ global curview viewcomplete selectedline currentid thickerline
+ global showneartags treediffs commitinterest cached_commitrow
+ global targetid
+
+ set selid {}
+ if {$selectedline ne {}} {
+ set selid $currentid
+ }
+
+ if {!$viewcomplete($curview)} {
+ stop_rev_list $curview
+ }
+ resetvarcs $curview
+ set selectedline {}
+ catch {unset currentid}
+ catch {unset thickerline}
+ catch {unset treediffs}
+ readrefs
+ changedrefs
+ if {$showneartags} {
+ getallcommits
+ }
+ clear_display
+ catch {unset commitinterest}
+ catch {unset cached_commitrow}
+ catch {unset targetid}
+ setcanvscroll
+ getcommits $selid
+ return 0
+}
+
+# This makes a string representation of a positive integer which
+# sorts as a string in numerical order
+proc strrep {n} {
+ if {$n < 16} {
+ return [format "%x" $n]
+ } elseif {$n < 256} {
+ return [format "x%.2x" $n]
+ } elseif {$n < 65536} {
+ return [format "y%.4x" $n]
+ }
+ return [format "z%.8x" $n]
+}
+
+# Procedures used in reordering commits from git log (without
+# --topo-order) into the order for display.
+
+proc varcinit {view} {
+ global varcstart vupptr vdownptr vleftptr vbackptr varctok varcrow
+ global vtokmod varcmod vrowmod varcix vlastins
+
+ set varcstart($view) {{}}
+ set vupptr($view) {0}
+ set vdownptr($view) {0}
+ set vleftptr($view) {0}
+ set vbackptr($view) {0}
+ set varctok($view) {{}}
+ set varcrow($view) {{}}
+ set vtokmod($view) {}
+ set varcmod($view) 0
+ set vrowmod($view) 0
+ set varcix($view) {{}}
+ set vlastins($view) {0}
+}
+
+proc resetvarcs {view} {
+ global varcid varccommits parents children vseedcount ordertok
+
+ foreach vid [array names varcid $view,*] {
+ unset varcid($vid)
+ unset children($vid)
+ unset parents($vid)
+ }
+ # some commits might have children but haven't been seen yet
+ foreach vid [array names children $view,*] {
+ unset children($vid)
+ }
+ foreach va [array names varccommits $view,*] {
+ unset varccommits($va)
+ }
+ foreach vd [array names vseedcount $view,*] {
+ unset vseedcount($vd)
+ }
+ catch {unset ordertok}
+}
+
+# returns a list of the commits with no children
+proc seeds {v} {
+ global vdownptr vleftptr varcstart
+
+ set ret {}
+ set a [lindex $vdownptr($v) 0]
+ while {$a != 0} {
+ lappend ret [lindex $varcstart($v) $a]
+ set a [lindex $vleftptr($v) $a]
+ }
+ return $ret
+}
+
+proc newvarc {view id} {
+ global varcid varctok parents children vdatemode
+ global vupptr vdownptr vleftptr vbackptr varcrow varcix varcstart
+ global commitdata commitinfo vseedcount varccommits vlastins
+
+ set a [llength $varctok($view)]
+ set vid $view,$id
+ if {[llength $children($vid)] == 0 || $vdatemode($view)} {
+ if {![info exists commitinfo($id)]} {
+ parsecommit $id $commitdata($id) 1
+ }
+ set cdate [lindex $commitinfo($id) 4]
+ if {![string is integer -strict $cdate]} {
+ set cdate 0
+ }
+ if {![info exists vseedcount($view,$cdate)]} {
+ set vseedcount($view,$cdate) -1
+ }
+ set c [incr vseedcount($view,$cdate)]
+ set cdate [expr {$cdate ^ 0xffffffff}]
+ set tok "s[strrep $cdate][strrep $c]"
+ } else {
+ set tok {}
+ }
+ set ka 0
+ if {[llength $children($vid)] > 0} {
+ set kid [lindex $children($vid) end]
+ set k $varcid($view,$kid)
+ if {[string compare [lindex $varctok($view) $k] $tok] > 0} {
+ set ki $kid
+ set ka $k
+ set tok [lindex $varctok($view) $k]
+ }
+ }
+ if {$ka != 0} {
+ set i [lsearch -exact $parents($view,$ki) $id]
+ set j [expr {[llength $parents($view,$ki)] - 1 - $i}]
+ append tok [strrep $j]
+ }
+ set c [lindex $vlastins($view) $ka]
+ if {$c == 0 || [string compare $tok [lindex $varctok($view) $c]] < 0} {
+ set c $ka
+ set b [lindex $vdownptr($view) $ka]
+ } else {
+ set b [lindex $vleftptr($view) $c]
+ }
+ while {$b != 0 && [string compare $tok [lindex $varctok($view) $b]] >= 0} {
+ set c $b
+ set b [lindex $vleftptr($view) $c]
+ }
+ if {$c == $ka} {
+ lset vdownptr($view) $ka $a
+ lappend vbackptr($view) 0
+ } else {
+ lset vleftptr($view) $c $a
+ lappend vbackptr($view) $c
+ }
+ lset vlastins($view) $ka $a
+ lappend vupptr($view) $ka
+ lappend vleftptr($view) $b
+ if {$b != 0} {
+ lset vbackptr($view) $b $a
+ }
+ lappend varctok($view) $tok
+ lappend varcstart($view) $id
+ lappend vdownptr($view) 0
+ lappend varcrow($view) {}
+ lappend varcix($view) {}
+ set varccommits($view,$a) {}
+ lappend vlastins($view) 0
+ return $a
+}
+
+proc splitvarc {p v} {
+ global varcid varcstart varccommits varctok vtokmod
+ global vupptr vdownptr vleftptr vbackptr varcix varcrow vlastins
+
+ set oa $varcid($v,$p)
+ set otok [lindex $varctok($v) $oa]
+ set ac $varccommits($v,$oa)
+ set i [lsearch -exact $varccommits($v,$oa) $p]
+ if {$i <= 0} return
+ set na [llength $varctok($v)]
+ # "%" sorts before "0"...
+ set tok "$otok%[strrep $i]"
+ lappend varctok($v) $tok
+ lappend varcrow($v) {}
+ lappend varcix($v) {}
+ set varccommits($v,$oa) [lrange $ac 0 [expr {$i - 1}]]
+ set varccommits($v,$na) [lrange $ac $i end]
+ lappend varcstart($v) $p
+ foreach id $varccommits($v,$na) {
+ set varcid($v,$id) $na
+ }
+ lappend vdownptr($v) [lindex $vdownptr($v) $oa]
+ lappend vlastins($v) [lindex $vlastins($v) $oa]
+ lset vdownptr($v) $oa $na
+ lset vlastins($v) $oa 0
+ lappend vupptr($v) $oa
+ lappend vleftptr($v) 0
+ lappend vbackptr($v) 0
+ for {set b [lindex $vdownptr($v) $na]} {$b != 0} {set b [lindex $vleftptr($v) $b]} {
+ lset vupptr($v) $b $na
+ }
+ if {[string compare $otok $vtokmod($v)] <= 0} {
+ modify_arc $v $oa
+ }
+}
+
+proc renumbervarc {a v} {
+ global parents children varctok varcstart varccommits
+ global vupptr vdownptr vleftptr vbackptr vlastins varcid vtokmod vdatemode
+
+ set t1 [clock clicks -milliseconds]
+ set todo {}
+ set isrelated($a) 1
+ set kidchanged($a) 1
+ set ntot 0
+ while {$a != 0} {
+ if {[info exists isrelated($a)]} {
+ lappend todo $a
+ set id [lindex $varccommits($v,$a) end]
+ foreach p $parents($v,$id) {
+ if {[info exists varcid($v,$p)]} {
+ set isrelated($varcid($v,$p)) 1
+ }
+ }
+ }
+ incr ntot
+ set b [lindex $vdownptr($v) $a]
+ if {$b == 0} {
+ while {$a != 0} {
+ set b [lindex $vleftptr($v) $a]
+ if {$b != 0} break
+ set a [lindex $vupptr($v) $a]
+ }
+ }
+ set a $b
+ }
+ foreach a $todo {
+ if {![info exists kidchanged($a)]} continue
+ set id [lindex $varcstart($v) $a]
+ if {[llength $children($v,$id)] > 1} {
+ set children($v,$id) [lsort -command [list vtokcmp $v] \
+ $children($v,$id)]
+ }
+ set oldtok [lindex $varctok($v) $a]
+ if {!$vdatemode($v)} {
+ set tok {}
+ } else {
+ set tok $oldtok
+ }
+ set ka 0
+ set kid [last_real_child $v,$id]
+ if {$kid ne {}} {
+ set k $varcid($v,$kid)
+ if {[string compare [lindex $varctok($v) $k] $tok] > 0} {
+ set ki $kid
+ set ka $k
+ set tok [lindex $varctok($v) $k]
+ }
+ }
+ if {$ka != 0} {
+ set i [lsearch -exact $parents($v,$ki) $id]
+ set j [expr {[llength $parents($v,$ki)] - 1 - $i}]
+ append tok [strrep $j]
+ }
+ if {$tok eq $oldtok} {
+ continue
+ }
+ set id [lindex $varccommits($v,$a) end]
+ foreach p $parents($v,$id) {
+ if {[info exists varcid($v,$p)]} {
+ set kidchanged($varcid($v,$p)) 1
+ } else {
+ set sortkids($p) 1
+ }
+ }
+ lset varctok($v) $a $tok
+ set b [lindex $vupptr($v) $a]
+ if {$b != $ka} {
+ if {[string compare [lindex $varctok($v) $ka] $vtokmod($v)] < 0} {
+ modify_arc $v $ka
+ }
+ if {[string compare [lindex $varctok($v) $b] $vtokmod($v)] < 0} {
+ modify_arc $v $b
+ }
+ set c [lindex $vbackptr($v) $a]
+ set d [lindex $vleftptr($v) $a]
+ if {$c == 0} {
+ lset vdownptr($v) $b $d
+ } else {
+ lset vleftptr($v) $c $d
+ }
+ if {$d != 0} {
+ lset vbackptr($v) $d $c
+ }
+ if {[lindex $vlastins($v) $b] == $a} {
+ lset vlastins($v) $b $c
+ }
+ lset vupptr($v) $a $ka
+ set c [lindex $vlastins($v) $ka]
+ if {$c == 0 || \
+ [string compare $tok [lindex $varctok($v) $c]] < 0} {
+ set c $ka
+ set b [lindex $vdownptr($v) $ka]
+ } else {
+ set b [lindex $vleftptr($v) $c]
+ }
+ while {$b != 0 && \
+ [string compare $tok [lindex $varctok($v) $b]] >= 0} {
+ set c $b
+ set b [lindex $vleftptr($v) $c]
+ }
+ if {$c == $ka} {
+ lset vdownptr($v) $ka $a
+ lset vbackptr($v) $a 0
+ } else {
+ lset vleftptr($v) $c $a
+ lset vbackptr($v) $a $c
+ }
+ lset vleftptr($v) $a $b
+ if {$b != 0} {
+ lset vbackptr($v) $b $a
+ }
+ lset vlastins($v) $ka $a
+ }
+ }
+ foreach id [array names sortkids] {
+ if {[llength $children($v,$id)] > 1} {
+ set children($v,$id) [lsort -command [list vtokcmp $v] \
+ $children($v,$id)]
+ }
+ }
+ set t2 [clock clicks -milliseconds]
+ #puts "renumbervarc did [llength $todo] of $ntot arcs in [expr {$t2-$t1}]ms"
+}
+
+# Fix up the graph after we have found out that in view $v,
+# $p (a commit that we have already seen) is actually the parent
+# of the last commit in arc $a.
+proc fix_reversal {p a v} {
+ global varcid varcstart varctok vupptr
+
+ set pa $varcid($v,$p)
+ if {$p ne [lindex $varcstart($v) $pa]} {
+ splitvarc $p $v
+ set pa $varcid($v,$p)
+ }
+ # seeds always need to be renumbered
+ if {[lindex $vupptr($v) $pa] == 0 ||
+ [string compare [lindex $varctok($v) $a] \
+ [lindex $varctok($v) $pa]] > 0} {
+ renumbervarc $pa $v
+ }
+}
+
+proc insertrow {id p v} {
+ global cmitlisted children parents varcid varctok vtokmod
+ global varccommits ordertok commitidx numcommits curview
+ global targetid targetrow
+
+ readcommit $id
+ set vid $v,$id
+ set cmitlisted($vid) 1
+ set children($vid) {}
+ set parents($vid) [list $p]
+ set a [newvarc $v $id]
+ set varcid($vid) $a
+ if {[string compare [lindex $varctok($v) $a] $vtokmod($v)] < 0} {
+ modify_arc $v $a
+ }
+ lappend varccommits($v,$a) $id
+ set vp $v,$p
+ if {[llength [lappend children($vp) $id]] > 1} {
+ set children($vp) [lsort -command [list vtokcmp $v] $children($vp)]
+ catch {unset ordertok}
+ }
+ fix_reversal $p $a $v
+ incr commitidx($v)
+ if {$v == $curview} {
+ set numcommits $commitidx($v)
+ setcanvscroll
+ if {[info exists targetid]} {
+ if {![comes_before $targetid $p]} {
+ incr targetrow
+ }
+ }
+ }
+}
+
+proc insertfakerow {id p} {
+ global varcid varccommits parents children cmitlisted
+ global commitidx varctok vtokmod targetid targetrow curview numcommits
+
+ set v $curview
+ set a $varcid($v,$p)
+ set i [lsearch -exact $varccommits($v,$a) $p]
+ if {$i < 0} {
+ puts "oops: insertfakerow can't find [shortids $p] on arc $a"
+ return
+ }
+ set children($v,$id) {}
+ set parents($v,$id) [list $p]
+ set varcid($v,$id) $a
+ lappend children($v,$p) $id
+ set cmitlisted($v,$id) 1
+ set numcommits [incr commitidx($v)]
+ # note we deliberately don't update varcstart($v) even if $i == 0
+ set varccommits($v,$a) [linsert $varccommits($v,$a) $i $id]
+ modify_arc $v $a $i
+ if {[info exists targetid]} {
+ if {![comes_before $targetid $p]} {
+ incr targetrow
+ }
+ }
+ setcanvscroll
+ drawvisible
+}
+
+proc removefakerow {id} {
+ global varcid varccommits parents children commitidx
+ global varctok vtokmod cmitlisted currentid selectedline
+ global targetid curview numcommits
+
+ set v $curview
+ if {[llength $parents($v,$id)] != 1} {
+ puts "oops: removefakerow [shortids $id] has [llength $parents($v,$id)] parents"
+ return
+ }
+ set p [lindex $parents($v,$id) 0]
+ set a $varcid($v,$id)
+ set i [lsearch -exact $varccommits($v,$a) $id]
+ if {$i < 0} {
+ puts "oops: removefakerow can't find [shortids $id] on arc $a"
+ return
+ }
+ unset varcid($v,$id)
+ set varccommits($v,$a) [lreplace $varccommits($v,$a) $i $i]
+ unset parents($v,$id)
+ unset children($v,$id)
+ unset cmitlisted($v,$id)
+ set numcommits [incr commitidx($v) -1]
+ set j [lsearch -exact $children($v,$p) $id]
+ if {$j >= 0} {
+ set children($v,$p) [lreplace $children($v,$p) $j $j]
+ }
+ modify_arc $v $a $i
+ if {[info exist currentid] && $id eq $currentid} {
+ unset currentid
+ set selectedline {}
+ }
+ if {[info exists targetid] && $targetid eq $id} {
+ set targetid $p
+ }
+ setcanvscroll
+ drawvisible
+}
+
+proc real_children {vp} {
+ global children nullid nullid2
+
+ set kids {}
+ foreach id $children($vp) {
+ if {$id ne $nullid && $id ne $nullid2} {
+ lappend kids $id
+ }
+ }
+ return $kids
+}
+
+proc first_real_child {vp} {
+ global children nullid nullid2
+
+ foreach id $children($vp) {
+ if {$id ne $nullid && $id ne $nullid2} {
+ return $id
+ }
+ }
+ return {}
+}
+
+proc last_real_child {vp} {
+ global children nullid nullid2
+
+ set kids $children($vp)
+ for {set i [llength $kids]} {[incr i -1] >= 0} {} {
+ set id [lindex $kids $i]
+ if {$id ne $nullid && $id ne $nullid2} {
+ return $id
+ }
+ }
+ return {}
+}
+
+proc vtokcmp {v a b} {
+ global varctok varcid
+
+ return [string compare [lindex $varctok($v) $varcid($v,$a)] \
+ [lindex $varctok($v) $varcid($v,$b)]]
+}
+
+# This assumes that if lim is not given, the caller has checked that
+# arc a's token is less than $vtokmod($v)
+proc modify_arc {v a {lim {}}} {
+ global varctok vtokmod varcmod varcrow vupptr curview vrowmod varccommits
+
+ if {$lim ne {}} {
+ set c [string compare [lindex $varctok($v) $a] $vtokmod($v)]
+ if {$c > 0} return
+ if {$c == 0} {
+ set r [lindex $varcrow($v) $a]
+ if {$r ne {} && $vrowmod($v) <= $r + $lim} return
+ }
+ }
+ set vtokmod($v) [lindex $varctok($v) $a]
+ set varcmod($v) $a
+ if {$v == $curview} {
+ while {$a != 0 && [lindex $varcrow($v) $a] eq {}} {
+ set a [lindex $vupptr($v) $a]
+ set lim {}
+ }
+ set r 0
+ if {$a != 0} {
+ if {$lim eq {}} {
+ set lim [llength $varccommits($v,$a)]
+ }
+ set r [expr {[lindex $varcrow($v) $a] + $lim}]
+ }
+ set vrowmod($v) $r
+ undolayout $r
+ }
+}
+
+proc update_arcrows {v} {
+ global vtokmod varcmod vrowmod varcrow commitidx currentid selectedline
+ global varcid vrownum varcorder varcix varccommits
+ global vupptr vdownptr vleftptr varctok
+ global displayorder parentlist curview cached_commitrow
+
+ if {$vrowmod($v) == $commitidx($v)} return
+ if {$v == $curview} {
+ if {[llength $displayorder] > $vrowmod($v)} {
+ set displayorder [lrange $displayorder 0 [expr {$vrowmod($v) - 1}]]
+ set parentlist [lrange $parentlist 0 [expr {$vrowmod($v) - 1}]]
+ }
+ catch {unset cached_commitrow}
+ }
+ set narctot [expr {[llength $varctok($v)] - 1}]
+ set a $varcmod($v)
+ while {$a != 0 && [lindex $varcix($v) $a] eq {}} {
+ # go up the tree until we find something that has a row number,
+ # or we get to a seed
+ set a [lindex $vupptr($v) $a]
+ }
+ if {$a == 0} {
+ set a [lindex $vdownptr($v) 0]
+ if {$a == 0} return
+ set vrownum($v) {0}
+ set varcorder($v) [list $a]
+ lset varcix($v) $a 0
+ lset varcrow($v) $a 0
+ set arcn 0
+ set row 0
+ } else {
+ set arcn [lindex $varcix($v) $a]
+ if {[llength $vrownum($v)] > $arcn + 1} {
+ set vrownum($v) [lrange $vrownum($v) 0 $arcn]
+ set varcorder($v) [lrange $varcorder($v) 0 $arcn]
+ }
+ set row [lindex $varcrow($v) $a]
+ }
+ while {1} {
+ set p $a
+ incr row [llength $varccommits($v,$a)]
+ # go down if possible
+ set b [lindex $vdownptr($v) $a]
+ if {$b == 0} {
+ # if not, go left, or go up until we can go left
+ while {$a != 0} {
+ set b [lindex $vleftptr($v) $a]
+ if {$b != 0} break
+ set a [lindex $vupptr($v) $a]
+ }
+ if {$a == 0} break
+ }
+ set a $b
+ incr arcn
+ lappend vrownum($v) $row
+ lappend varcorder($v) $a
+ lset varcix($v) $a $arcn
+ lset varcrow($v) $a $row
+ }
+ set vtokmod($v) [lindex $varctok($v) $p]
+ set varcmod($v) $p
+ set vrowmod($v) $row
+ if {[info exists currentid]} {
+ set selectedline [rowofcommit $currentid]
+ }
+}
+
+# Test whether view $v contains commit $id
+proc commitinview {id v} {
+ global varcid
+
+ return [info exists varcid($v,$id)]
+}
+
+# Return the row number for commit $id in the current view
+proc rowofcommit {id} {
+ global varcid varccommits varcrow curview cached_commitrow
+ global varctok vtokmod
+
+ set v $curview
+ if {![info exists varcid($v,$id)]} {
+ puts "oops rowofcommit no arc for [shortids $id]"
+ return {}
+ }
+ set a $varcid($v,$id)
+ if {[string compare [lindex $varctok($v) $a] $vtokmod($v)] >= 0} {
+ update_arcrows $v
+ }
+ if {[info exists cached_commitrow($id)]} {
+ return $cached_commitrow($id)
+ }
+ set i [lsearch -exact $varccommits($v,$a) $id]
+ if {$i < 0} {
+ puts "oops didn't find commit [shortids $id] in arc $a"
+ return {}
+ }
+ incr i [lindex $varcrow($v) $a]
+ set cached_commitrow($id) $i
+ return $i
+}
+
+# Returns 1 if a is on an earlier row than b, otherwise 0
+proc comes_before {a b} {
+ global varcid varctok curview
+
+ set v $curview
+ if {$a eq $b || ![info exists varcid($v,$a)] || \
+ ![info exists varcid($v,$b)]} {
+ return 0
+ }
+ if {$varcid($v,$a) != $varcid($v,$b)} {
+ return [expr {[string compare [lindex $varctok($v) $varcid($v,$a)] \
+ [lindex $varctok($v) $varcid($v,$b)]] < 0}]
+ }
+ return [expr {[rowofcommit $a] < [rowofcommit $b]}]
+}
+
+proc bsearch {l elt} {
+ if {[llength $l] == 0 || $elt <= [lindex $l 0]} {
+ return 0
+ }
+ set lo 0
+ set hi [llength $l]
+ while {$hi - $lo > 1} {
+ set mid [expr {int(($lo + $hi) / 2)}]
+ set t [lindex $l $mid]
+ if {$elt < $t} {
+ set hi $mid
+ } elseif {$elt > $t} {
+ set lo $mid
+ } else {
+ return $mid
+ }
+ }
+ return $lo
+}
+
+# Make sure rows $start..$end-1 are valid in displayorder and parentlist
+proc make_disporder {start end} {
+ global vrownum curview commitidx displayorder parentlist
+ global varccommits varcorder parents vrowmod varcrow
+ global d_valid_start d_valid_end
+
+ if {$end > $vrowmod($curview)} {
+ update_arcrows $curview
+ }
+ set ai [bsearch $vrownum($curview) $start]
+ set start [lindex $vrownum($curview) $ai]
+ set narc [llength $vrownum($curview)]
+ for {set r $start} {$ai < $narc && $r < $end} {incr ai} {
+ set a [lindex $varcorder($curview) $ai]
+ set l [llength $displayorder]
+ set al [llength $varccommits($curview,$a)]
+ if {$l < $r + $al} {
+ if {$l < $r} {
+ set pad [ntimes [expr {$r - $l}] {}]
+ set displayorder [concat $displayorder $pad]
+ set parentlist [concat $parentlist $pad]
+ } elseif {$l > $r} {
+ set displayorder [lrange $displayorder 0 [expr {$r - 1}]]
+ set parentlist [lrange $parentlist 0 [expr {$r - 1}]]
+ }
+ foreach id $varccommits($curview,$a) {
+ lappend displayorder $id
+ lappend parentlist $parents($curview,$id)
+ }
+ } elseif {[lindex $displayorder [expr {$r + $al - 1}]] eq {}} {
+ set i $r
+ foreach id $varccommits($curview,$a) {
+ lset displayorder $i $id
+ lset parentlist $i $parents($curview,$id)
+ incr i
+ }
+ }
+ incr r $al
+ }
+}
+
+proc commitonrow {row} {
+ global displayorder
+
+ set id [lindex $displayorder $row]
+ if {$id eq {}} {
+ make_disporder $row [expr {$row + 1}]
+ set id [lindex $displayorder $row]
+ }
+ return $id
+}
+
+proc closevarcs {v} {
+ global varctok varccommits varcid parents children
+ global cmitlisted commitidx vtokmod
+
+ set missing_parents 0
+ set scripts {}
+ set narcs [llength $varctok($v)]
+ for {set a 1} {$a < $narcs} {incr a} {
+ set id [lindex $varccommits($v,$a) end]
+ foreach p $parents($v,$id) {
+ if {[info exists varcid($v,$p)]} continue
+ # add p as a new commit
+ incr missing_parents
+ set cmitlisted($v,$p) 0
+ set parents($v,$p) {}
+ if {[llength $children($v,$p)] == 1 &&
+ [llength $parents($v,$id)] == 1} {
+ set b $a
+ } else {
+ set b [newvarc $v $p]
+ }
+ set varcid($v,$p) $b
+ if {[string compare [lindex $varctok($v) $b] $vtokmod($v)] < 0} {
+ modify_arc $v $b
+ }
+ lappend varccommits($v,$b) $p
+ incr commitidx($v)
+ set scripts [check_interest $p $scripts]
+ }
+ }
+ if {$missing_parents > 0} {
+ foreach s $scripts {
+ eval $s
+ }
+ }
+}
+
+# Use $rwid as a substitute for $id, i.e. reparent $id's children to $rwid
+# Assumes we already have an arc for $rwid.
+proc rewrite_commit {v id rwid} {
+ global children parents varcid varctok vtokmod varccommits
+
+ foreach ch $children($v,$id) {
+ # make $rwid be $ch's parent in place of $id
+ set i [lsearch -exact $parents($v,$ch) $id]
+ if {$i < 0} {
+ puts "oops rewrite_commit didn't find $id in parent list for $ch"
+ }
+ set parents($v,$ch) [lreplace $parents($v,$ch) $i $i $rwid]
+ # add $ch to $rwid's children and sort the list if necessary
+ if {[llength [lappend children($v,$rwid) $ch]] > 1} {
+ set children($v,$rwid) [lsort -command [list vtokcmp $v] \
+ $children($v,$rwid)]
+ }
+ # fix the graph after joining $id to $rwid
+ set a $varcid($v,$ch)
+ fix_reversal $rwid $a $v
+ # parentlist is wrong for the last element of arc $a
+ # even if displayorder is right, hence the 3rd arg here
+ modify_arc $v $a [expr {[llength $varccommits($v,$a)] - 1}]
+ }
+}
+
+# Mechanism for registering a command to be executed when we come
+# across a particular commit. To handle the case when only the
+# prefix of the commit is known, the commitinterest array is now
+# indexed by the first 4 characters of the ID. Each element is a
+# list of id, cmd pairs.
+proc interestedin {id cmd} {
+ global commitinterest
+
+ lappend commitinterest([string range $id 0 3]) $id $cmd
+}
+
+proc check_interest {id scripts} {
+ global commitinterest
+
+ set prefix [string range $id 0 3]
+ if {[info exists commitinterest($prefix)]} {
+ set newlist {}
+ foreach {i script} $commitinterest($prefix) {
+ if {[string match "$i*" $id]} {
+ lappend scripts [string map [list "%I" $id "%P" $i] $script]
+ } else {
+ lappend newlist $i $script
+ }
+ }
+ if {$newlist ne {}} {
+ set commitinterest($prefix) $newlist
+ } else {
+ unset commitinterest($prefix)
+ }
+ }
+ return $scripts
+}
+
+proc getcommitlines {fd inst view updating} {
+ global cmitlisted leftover
+ global commitidx commitdata vdatemode
+ global parents children curview hlview
+ global idpending ordertok
+ global varccommits varcid varctok vtokmod vfilelimit
+
+ set stuff [read $fd 500000]
+ # git log doesn't terminate the last commit with a null...
+ if {$stuff == {} && $leftover($inst) ne {} && [eof $fd]} {
+ set stuff "\0"
+ }
+ if {$stuff == {}} {
+ if {![eof $fd]} {
+ return 1
+ }
+ global commfd viewcomplete viewactive viewname
+ global viewinstances
+ unset commfd($inst)
+ set i [lsearch -exact $viewinstances($view) $inst]
+ if {$i >= 0} {
+ set viewinstances($view) [lreplace $viewinstances($view) $i $i]
+ }
+ # set it blocking so we wait for the process to terminate
+ fconfigure $fd -blocking 1
+ if {[catch {close $fd} err]} {
+ set fv {}
+ if {$view != $curview} {
+ set fv " for the \"$viewname($view)\" view"
+ }
+ if {[string range $err 0 4] == "usage"} {
+ set err "Gitk: error reading commits$fv:\
+ bad arguments to git log."
+ if {$viewname($view) eq "Command line"} {
+ append err \
+ " (Note: arguments to gitk are passed to git log\
+ to allow selection of commits to be displayed.)"
+ }
+ } else {
+ set err "Error reading commits$fv: $err"
+ }
+ error_popup $err
+ }
+ if {[incr viewactive($view) -1] <= 0} {
+ set viewcomplete($view) 1
+ # Check if we have seen any ids listed as parents that haven't
+ # appeared in the list
+ closevarcs $view
+ notbusy $view
+ }
+ if {$view == $curview} {
+ run chewcommits
+ }
+ return 0
+ }
+ set start 0
+ set gotsome 0
+ set scripts {}
+ while 1 {
+ set i [string first "\0" $stuff $start]
+ if {$i < 0} {
+ append leftover($inst) [string range $stuff $start end]
+ break
+ }
+ if {$start == 0} {
+ set cmit $leftover($inst)
+ append cmit [string range $stuff 0 [expr {$i - 1}]]
+ set leftover($inst) {}
+ } else {
+ set cmit [string range $stuff $start [expr {$i - 1}]]
+ }
+ set start [expr {$i + 1}]
+ set j [string first "\n" $cmit]
+ set ok 0
+ set listed 1
+ if {$j >= 0 && [string match "commit *" $cmit]} {
+ set ids [string range $cmit 7 [expr {$j - 1}]]
+ if {[string match {[-^<>]*} $ids]} {
+ switch -- [string index $ids 0] {
+ "-" {set listed 0}
+ "^" {set listed 2}
+ "<" {set listed 3}
+ ">" {set listed 4}
+ }
+ set ids [string range $ids 1 end]
+ }
+ set ok 1
+ foreach id $ids {
+ if {[string length $id] != 40} {
+ set ok 0
+ break
+ }
+ }
+ }
+ if {!$ok} {
+ set shortcmit $cmit
+ if {[string length $shortcmit] > 80} {
+ set shortcmit "[string range $shortcmit 0 80]..."
+ }
+ error_popup "[mc "Can't parse git log output:"] {$shortcmit}"
+ exit 1
+ }
+ set id [lindex $ids 0]
+ set vid $view,$id
+
+ if {!$listed && $updating && ![info exists varcid($vid)] &&
+ $vfilelimit($view) ne {}} {
+ # git log doesn't rewrite parents for unlisted commits
+ # when doing path limiting, so work around that here
+ # by working out the rewritten parent with git rev-list
+ # and if we already know about it, using the rewritten
+ # parent as a substitute parent for $id's children.
+ if {![catch {
+ set rwid [exec git rev-list --first-parent --max-count=1 \
+ $id -- $vfilelimit($view)]
+ }]} {
+ if {$rwid ne {} && [info exists varcid($view,$rwid)]} {
+ # use $rwid in place of $id
+ rewrite_commit $view $id $rwid
+ continue
+ }
+ }
+ }
+
+ set a 0
+ if {[info exists varcid($vid)]} {
+ if {$cmitlisted($vid) || !$listed} continue
+ set a $varcid($vid)
+ }
+ if {$listed} {
+ set olds [lrange $ids 1 end]
+ } else {
+ set olds {}
+ }
+ set commitdata($id) [string range $cmit [expr {$j + 1}] end]
+ set cmitlisted($vid) $listed
+ set parents($vid) $olds
+ if {![info exists children($vid)]} {
+ set children($vid) {}
+ } elseif {$a == 0 && [llength $children($vid)] == 1} {
+ set k [lindex $children($vid) 0]
+ if {[llength $parents($view,$k)] == 1 &&
+ (!$vdatemode($view) ||
+ $varcid($view,$k) == [llength $varctok($view)] - 1)} {
+ set a $varcid($view,$k)
+ }
+ }
+ if {$a == 0} {
+ # new arc
+ set a [newvarc $view $id]
+ }
+ if {[string compare [lindex $varctok($view) $a] $vtokmod($view)] < 0} {
+ modify_arc $view $a
+ }
+ if {![info exists varcid($vid)]} {
+ set varcid($vid) $a
+ lappend varccommits($view,$a) $id
+ incr commitidx($view)
+ }
+
+ set i 0
+ foreach p $olds {
+ if {$i == 0 || [lsearch -exact $olds $p] >= $i} {
+ set vp $view,$p
+ if {[llength [lappend children($vp) $id]] > 1 &&
+ [vtokcmp $view [lindex $children($vp) end-1] $id] > 0} {
+ set children($vp) [lsort -command [list vtokcmp $view] \
+ $children($vp)]
+ catch {unset ordertok}
+ }
+ if {[info exists varcid($view,$p)]} {
+ fix_reversal $p $a $view
+ }
+ }
+ incr i
+ }
+
+ set scripts [check_interest $id $scripts]
+ set gotsome 1
+ }
+ if {$gotsome} {
+ global numcommits hlview
+
+ if {$view == $curview} {
+ set numcommits $commitidx($view)
+ run chewcommits
+ }
+ if {[info exists hlview] && $view == $hlview} {
+ # we never actually get here...
+ run vhighlightmore
+ }
+ foreach s $scripts {
+ eval $s
+ }
+ }
+ return 2
+}
+
+proc chewcommits {} {
+ global curview hlview viewcomplete
+ global pending_select
+
+ layoutmore
+ if {$viewcomplete($curview)} {
+ global commitidx varctok
+ global numcommits startmsecs
+
+ if {[info exists pending_select]} {
+ update
+ reset_pending_select {}
+
+ if {[commitinview $pending_select $curview]} {
+ selectline [rowofcommit $pending_select] 1
+ } else {
+ set row [first_real_row]
+ selectline $row 1
+ }
+ }
+ if {$commitidx($curview) > 0} {
+ #set ms [expr {[clock clicks -milliseconds] - $startmsecs}]
+ #puts "overall $ms ms for $numcommits commits"
+ #puts "[llength $varctok($view)] arcs, $commitidx($view) commits"
+ } else {
+ show_status [mc "No commits selected"]
+ }
+ notbusy layout
+ }
+ return 0
+}
+
+proc do_readcommit {id} {
+ global tclencoding
+
+ # Invoke git-log to handle automatic encoding conversion
+ set fd [open [concat | git log --no-color --pretty=raw -1 $id] r]
+ # Read the results using i18n.logoutputencoding
+ fconfigure $fd -translation lf -eofchar {}
+ if {$tclencoding != {}} {
+ fconfigure $fd -encoding $tclencoding
+ }
+ set contents [read $fd]
+ close $fd
+ # Remove the heading line
+ regsub {^commit [0-9a-f]+\n} $contents {} contents
+
+ return $contents
+}
+
+proc readcommit {id} {
+ if {[catch {set contents [do_readcommit $id]}]} return
+ parsecommit $id $contents 1
+}
+
+proc parsecommit {id contents listed} {
+ global commitinfo cdate
+
+ set inhdr 1
+ set comment {}
+ set headline {}
+ set auname {}
+ set audate {}
+ set comname {}
+ set comdate {}
+ set hdrend [string first "\n\n" $contents]
+ if {$hdrend < 0} {
+ # should never happen...
+ set hdrend [string length $contents]
+ }
+ set header [string range $contents 0 [expr {$hdrend - 1}]]
+ set comment [string range $contents [expr {$hdrend + 2}] end]
+ foreach line [split $header "\n"] {
+ set line [split $line " "]
+ set tag [lindex $line 0]
+ if {$tag == "author"} {
+ set audate [lindex $line end-1]
+ set auname [join [lrange $line 1 end-2] " "]
+ } elseif {$tag == "committer"} {
+ set comdate [lindex $line end-1]
+ set comname [join [lrange $line 1 end-2] " "]
+ }
+ }
+ set headline {}
+ # take the first non-blank line of the comment as the headline
+ set headline [string trimleft $comment]
+ set i [string first "\n" $headline]
+ if {$i >= 0} {
+ set headline [string range $headline 0 $i]
+ }
+ set headline [string trimright $headline]
+ set i [string first "\r" $headline]
+ if {$i >= 0} {
+ set headline [string trimright [string range $headline 0 $i]]
+ }
+ if {!$listed} {
+ # git log indents the comment by 4 spaces;
+ # if we got this via git cat-file, add the indentation
+ set newcomment {}
+ foreach line [split $comment "\n"] {
+ append newcomment " "
+ append newcomment $line
+ append newcomment "\n"
+ }
+ set comment $newcomment
+ }
+ if {$comdate != {}} {
+ set cdate($id) $comdate
+ }
+ set commitinfo($id) [list $headline $auname $audate \
+ $comname $comdate $comment]
+}
+
+proc getcommit {id} {
+ global commitdata commitinfo
+
+ if {[info exists commitdata($id)]} {
+ parsecommit $id $commitdata($id) 1
+ } else {
+ readcommit $id
+ if {![info exists commitinfo($id)]} {
+ set commitinfo($id) [list [mc "No commit information available"]]
+ }
+ }
+ return 1
+}
+
+# Expand an abbreviated commit ID to a list of full 40-char IDs that match
+# and are present in the current view.
+# This is fairly slow...
+proc longid {prefix} {
+ global varcid curview
+
+ set ids {}
+ foreach match [array names varcid "$curview,$prefix*"] {
+ lappend ids [lindex [split $match ","] 1]
+ }
+ return $ids
+}
+
+proc readrefs {} {
+ global tagids idtags headids idheads tagobjid
+ global otherrefids idotherrefs mainhead mainheadid
+ global selecthead selectheadid
+ global hideremotes
+
+ foreach v {tagids idtags headids idheads otherrefids idotherrefs} {
+ catch {unset $v}
+ }
+ set refd [open [list | git show-ref -d] r]
+ while {[gets $refd line] >= 0} {
+ if {[string index $line 40] ne " "} continue
+ set id [string range $line 0 39]
+ set ref [string range $line 41 end]
+ if {![string match "refs/*" $ref]} continue
+ set name [string range $ref 5 end]
+ if {[string match "remotes/*" $name]} {
+ if {![string match "*/HEAD" $name] && !$hideremotes} {
+ set headids($name) $id
+ lappend idheads($id) $name
+ }
+ } elseif {[string match "heads/*" $name]} {
+ set name [string range $name 6 end]
+ set headids($name) $id
+ lappend idheads($id) $name
+ } elseif {[string match "tags/*" $name]} {
+ # this lets refs/tags/foo^{} overwrite refs/tags/foo,
+ # which is what we want since the former is the commit ID
+ set name [string range $name 5 end]
+ if {[string match "*^{}" $name]} {
+ set name [string range $name 0 end-3]
+ } else {
+ set tagobjid($name) $id
+ }
+ set tagids($name) $id
+ lappend idtags($id) $name
+ } else {
+ set otherrefids($name) $id
+ lappend idotherrefs($id) $name
+ }
+ }
+ catch {close $refd}
+ set mainhead {}
+ set mainheadid {}
+ catch {
+ set mainheadid [exec git rev-parse HEAD]
+ set thehead [exec git symbolic-ref HEAD]
+ if {[string match "refs/heads/*" $thehead]} {
+ set mainhead [string range $thehead 11 end]
+ }
+ }
+ set selectheadid {}
+ if {$selecthead ne {}} {
+ catch {
+ set selectheadid [exec git rev-parse --verify $selecthead]
+ }
+ }
+}
+
+# skip over fake commits
+proc first_real_row {} {
+ global nullid nullid2 numcommits
+
+ for {set row 0} {$row < $numcommits} {incr row} {
+ set id [commitonrow $row]
+ if {$id ne $nullid && $id ne $nullid2} {
+ break
+ }
+ }
+ return $row
+}
+
+# update things for a head moved to a child of its previous location
+proc movehead {id name} {
+ global headids idheads
+
+ removehead $headids($name) $name
+ set headids($name) $id
+ lappend idheads($id) $name
+}
+
+# update things when a head has been removed
+proc removehead {id name} {
+ global headids idheads
+
+ if {$idheads($id) eq $name} {
+ unset idheads($id)
+ } else {
+ set i [lsearch -exact $idheads($id) $name]
+ if {$i >= 0} {
+ set idheads($id) [lreplace $idheads($id) $i $i]
+ }
+ }
+ unset headids($name)
+}
+
+proc ttk_toplevel {w args} {
+ global use_ttk
+ eval [linsert $args 0 ::toplevel $w]
+ if {$use_ttk} {
+ place [ttk::frame $w._toplevel_background] -x 0 -y 0 -relwidth 1 -relheight 1
+ }
+ return $w
+}
+
+proc make_transient {window origin} {
+ global have_tk85
+
+ # In MacOS Tk 8.4 transient appears to work by setting
+ # overrideredirect, which is utterly useless, since the
+ # windows get no border, and are not even kept above
+ # the parent.
+ if {!$have_tk85 && [tk windowingsystem] eq {aqua}} return
+
+ wm transient $window $origin
+
+ # Windows fails to place transient windows normally, so
+ # schedule a callback to center them on the parent.
+ if {[tk windowingsystem] eq {win32}} {
+ after idle [list tk::PlaceWindow $window widget $origin]
+ }
+}
+
+proc show_error {w top msg {mc mc}} {
+ global NS
+ if {![info exists NS]} {set NS ""}
+ if {[wm state $top] eq "withdrawn"} { wm deiconify $top }
+ message $w.m -text $msg -justify center -aspect 400
+ pack $w.m -side top -fill x -padx 20 -pady 20
+ ${NS}::button $w.ok -default active -text [$mc OK] -command "destroy $top"
+ pack $w.ok -side bottom -fill x
+ bind $top <Visibility> "grab $top; focus $top"
+ bind $top <Key-Return> "destroy $top"
+ bind $top <Key-space> "destroy $top"
+ bind $top <Key-Escape> "destroy $top"
+ tkwait window $top
+}
+
+proc error_popup {msg {owner .}} {
+ if {[tk windowingsystem] eq "win32"} {
+ tk_messageBox -icon error -type ok -title [wm title .] \
+ -parent $owner -message $msg
+ } else {
+ set w .error
+ ttk_toplevel $w
+ make_transient $w $owner
+ show_error $w $w $msg
+ }
+}
+
+proc confirm_popup {msg {owner .}} {
+ global confirm_ok NS
+ set confirm_ok 0
+ set w .confirm
+ ttk_toplevel $w
+ make_transient $w $owner
+ message $w.m -text $msg -justify center -aspect 400
+ pack $w.m -side top -fill x -padx 20 -pady 20
+ ${NS}::button $w.ok -text [mc OK] -command "set confirm_ok 1; destroy $w"
+ pack $w.ok -side left -fill x
+ ${NS}::button $w.cancel -text [mc Cancel] -command "destroy $w"
+ pack $w.cancel -side right -fill x
+ bind $w <Visibility> "grab $w; focus $w"
+ bind $w <Key-Return> "set confirm_ok 1; destroy $w"
+ bind $w <Key-space> "set confirm_ok 1; destroy $w"
+ bind $w <Key-Escape> "destroy $w"
+ tk::PlaceWindow $w widget $owner
+ tkwait window $w
+ return $confirm_ok
+}
+
+proc setoptions {} {
+ if {[tk windowingsystem] ne "win32"} {
+ option add *Panedwindow.showHandle 1 startupFile
+ option add *Panedwindow.sashRelief raised startupFile
+ if {[tk windowingsystem] ne "aqua"} {
+ option add *Menu.font uifont startupFile
+ }
+ } else {
+ option add *Menu.TearOff 0 startupFile
+ }
+ option add *Button.font uifont startupFile
+ option add *Checkbutton.font uifont startupFile
+ option add *Radiobutton.font uifont startupFile
+ option add *Menubutton.font uifont startupFile
+ option add *Label.font uifont startupFile
+ option add *Message.font uifont startupFile
+ option add *Entry.font uifont startupFile
+ option add *Labelframe.font uifont startupFile
+}
+
+# Make a menu and submenus.
+# m is the window name for the menu, items is the list of menu items to add.
+# Each item is a list {mc label type description options...}
+# mc is ignored; it's so we can put mc there to alert xgettext
+# label is the string that appears in the menu
+# type is cascade, command or radiobutton (should add checkbutton)
+# description depends on type; it's the sublist for cascade, the
+# command to invoke for command, or {variable value} for radiobutton
+proc makemenu {m items} {
+ menu $m
+ if {[tk windowingsystem] eq {aqua}} {
+ set Meta1 Cmd
+ } else {
+ set Meta1 Ctrl
+ }
+ foreach i $items {
+ set name [mc [lindex $i 1]]
+ set type [lindex $i 2]
+ set thing [lindex $i 3]
+ set params [list $type]
+ if {$name ne {}} {
+ set u [string first "&" [string map {&& x} $name]]
+ lappend params -label [string map {&& & & {}} $name]
+ if {$u >= 0} {
+ lappend params -underline $u
+ }
+ }
+ switch -- $type {
+ "cascade" {
+ set submenu [string tolower [string map {& ""} [lindex $i 1]]]
+ lappend params -menu $m.$submenu
+ }
+ "command" {
+ lappend params -command $thing
+ }
+ "radiobutton" {
+ lappend params -variable [lindex $thing 0] \
+ -value [lindex $thing 1]
+ }
+ }
+ set tail [lrange $i 4 end]
+ regsub -all {\yMeta1\y} $tail $Meta1 tail
+ eval $m add $params $tail
+ if {$type eq "cascade"} {
+ makemenu $m.$submenu $thing
+ }
+ }
+}
+
+# translate string and remove ampersands
+proc mca {str} {
+ return [string map {&& & & {}} [mc $str]]
+}
+
+proc makedroplist {w varname args} {
+ global use_ttk
+ if {$use_ttk} {
+ set width 0
+ foreach label $args {
+ set cx [string length $label]
+ if {$cx > $width} {set width $cx}
+ }
+ set gm [ttk::combobox $w -width $width -state readonly\
+ -textvariable $varname -values $args]
+ } else {
+ set gm [eval [linsert $args 0 tk_optionMenu $w $varname]]
+ }
+ return $gm
+}
+
+proc makewindow {} {
+ global canv canv2 canv3 linespc charspc ctext cflist cscroll
+ global tabstop
+ global findtype findtypemenu findloc findstring fstring geometry
+ global entries sha1entry sha1string sha1but
+ global diffcontextstring diffcontext
+ global ignorespace
+ global maincursor textcursor curtextcursor
+ global rowctxmenu fakerowmenu mergemax wrapcomment
+ global highlight_files gdttype
+ global searchstring sstring
+ global bgcolor fgcolor bglist fglist diffcolors selectbgcolor
+ global headctxmenu progresscanv progressitem progresscoords statusw
+ global fprogitem fprogcoord lastprogupdate progupdatepending
+ global rprogitem rprogcoord rownumsel numcommits
+ global have_tk85 use_ttk NS
+
+ # The "mc" arguments here are purely so that xgettext
+ # sees the following string as needing to be translated
+ set file {
+ mc "File" cascade {
+ {mc "Update" command updatecommits -accelerator F5}
+ {mc "Reload" command reloadcommits -accelerator Meta1-F5}
+ {mc "Reread references" command rereadrefs}
+ {mc "List references" command showrefs -accelerator F2}
+ {xx "" separator}
+ {mc "Start git gui" command {exec git gui &}}
+ {xx "" separator}
+ {mc "Quit" command doquit -accelerator Meta1-Q}
+ }}
+ set edit {
+ mc "Edit" cascade {
+ {mc "Preferences" command doprefs}
+ }}
+ set view {
+ mc "View" cascade {
+ {mc "New view..." command {newview 0} -accelerator Shift-F4}
+ {mc "Edit view..." command editview -state disabled -accelerator F4}
+ {mc "Delete view" command delview -state disabled}
+ {xx "" separator}
+ {mc "All files" radiobutton {selectedview 0} -command {showview 0}}
+ }}
+ if {[tk windowingsystem] ne "aqua"} {
+ set help {
+ mc "Help" cascade {
+ {mc "About gitk" command about}
+ {mc "Key bindings" command keys}
+ }}
+ set bar [list $file $edit $view $help]
+ } else {
+ proc ::tk::mac::ShowPreferences {} {doprefs}
+ proc ::tk::mac::Quit {} {doquit}
+ lset file end [lreplace [lindex $file end] end-1 end]
+ set apple {
+ xx "Apple" cascade {
+ {mc "About gitk" command about}
+ {xx "" separator}
+ }}
+ set help {
+ mc "Help" cascade {
+ {mc "Key bindings" command keys}
+ }}
+ set bar [list $apple $file $view $help]
+ }
+ makemenu .bar $bar
+ . configure -menu .bar
+
+ if {$use_ttk} {
+ # cover the non-themed toplevel with a themed frame.
+ place [ttk::frame ._main_background] -x 0 -y 0 -relwidth 1 -relheight 1
+ }
+
+ # the gui has upper and lower half, parts of a paned window.
+ ${NS}::panedwindow .ctop -orient vertical
+
+ # possibly use assumed geometry
+ if {![info exists geometry(pwsash0)]} {
+ set geometry(topheight) [expr {15 * $linespc}]
+ set geometry(topwidth) [expr {80 * $charspc}]
+ set geometry(botheight) [expr {15 * $linespc}]
+ set geometry(botwidth) [expr {50 * $charspc}]
+ set geometry(pwsash0) [list [expr {40 * $charspc}] 2]
+ set geometry(pwsash1) [list [expr {60 * $charspc}] 2]
+ }
+
+ # the upper half will have a paned window, a scroll bar to the right, and some stuff below
+ ${NS}::frame .tf -height $geometry(topheight) -width $geometry(topwidth)
+ ${NS}::frame .tf.histframe
+ ${NS}::panedwindow .tf.histframe.pwclist -orient horizontal
+ if {!$use_ttk} {
+ .tf.histframe.pwclist configure -sashpad 0 -handlesize 4
+ }
+
+ # create three canvases
+ set cscroll .tf.histframe.csb
+ set canv .tf.histframe.pwclist.canv
+ canvas $canv \
+ -selectbackground $selectbgcolor \
+ -background $bgcolor -bd 0 \
+ -yscrollincr $linespc -yscrollcommand "scrollcanv $cscroll"
+ .tf.histframe.pwclist add $canv
+ set canv2 .tf.histframe.pwclist.canv2
+ canvas $canv2 \
+ -selectbackground $selectbgcolor \
+ -background $bgcolor -bd 0 -yscrollincr $linespc
+ .tf.histframe.pwclist add $canv2
+ set canv3 .tf.histframe.pwclist.canv3
+ canvas $canv3 \
+ -selectbackground $selectbgcolor \
+ -background $bgcolor -bd 0 -yscrollincr $linespc
+ .tf.histframe.pwclist add $canv3
+ if {$use_ttk} {
+ bind .tf.histframe.pwclist <Map> {
+ bind %W <Map> {}
+ .tf.histframe.pwclist sashpos 1 [lindex $::geometry(pwsash1) 0]
+ .tf.histframe.pwclist sashpos 0 [lindex $::geometry(pwsash0) 0]
+ }
+ } else {
+ eval .tf.histframe.pwclist sash place 0 $geometry(pwsash0)
+ eval .tf.histframe.pwclist sash place 1 $geometry(pwsash1)
+ }
+
+ # a scroll bar to rule them
+ ${NS}::scrollbar $cscroll -command {allcanvs yview}
+ if {!$use_ttk} {$cscroll configure -highlightthickness 0}
+ pack $cscroll -side right -fill y
+ bind .tf.histframe.pwclist <Configure> {resizeclistpanes %W %w}
+ lappend bglist $canv $canv2 $canv3
+ pack .tf.histframe.pwclist -fill both -expand 1 -side left
+
+ # we have two button bars at bottom of top frame. Bar 1
+ ${NS}::frame .tf.bar
+ ${NS}::frame .tf.lbar -height 15
+
+ set sha1entry .tf.bar.sha1
+ set entries $sha1entry
+ set sha1but .tf.bar.sha1label
+ button $sha1but -text "[mc "SHA1 ID:"] " -state disabled -relief flat \
+ -command gotocommit -width 8
+ $sha1but conf -disabledforeground [$sha1but cget -foreground]
+ pack .tf.bar.sha1label -side left
+ ${NS}::entry $sha1entry -width 40 -font textfont -textvariable sha1string
+ trace add variable sha1string write sha1change
+ pack $sha1entry -side left -pady 2
+
+ image create bitmap bm-left -data {
+ #define left_width 16
+ #define left_height 16
+ static unsigned char left_bits[] = {
+ 0x00, 0x00, 0xc0, 0x01, 0xe0, 0x00, 0x70, 0x00, 0x38, 0x00, 0x1c, 0x00,
+ 0x0e, 0x00, 0xff, 0x7f, 0xff, 0x7f, 0xff, 0x7f, 0x0e, 0x00, 0x1c, 0x00,
+ 0x38, 0x00, 0x70, 0x00, 0xe0, 0x00, 0xc0, 0x01};
+ }
+ image create bitmap bm-right -data {
+ #define right_width 16
+ #define right_height 16
+ static unsigned char right_bits[] = {
+ 0x00, 0x00, 0xc0, 0x01, 0x80, 0x03, 0x00, 0x07, 0x00, 0x0e, 0x00, 0x1c,
+ 0x00, 0x38, 0xff, 0x7f, 0xff, 0x7f, 0xff, 0x7f, 0x00, 0x38, 0x00, 0x1c,
+ 0x00, 0x0e, 0x00, 0x07, 0x80, 0x03, 0xc0, 0x01};
+ }
+ ${NS}::button .tf.bar.leftbut -image bm-left -command goback \
+ -state disabled -width 26
+ pack .tf.bar.leftbut -side left -fill y
+ ${NS}::button .tf.bar.rightbut -image bm-right -command goforw \
+ -state disabled -width 26
+ pack .tf.bar.rightbut -side left -fill y
+
+ ${NS}::label .tf.bar.rowlabel -text [mc "Row"]
+ set rownumsel {}
+ ${NS}::label .tf.bar.rownum -width 7 -textvariable rownumsel \
+ -relief sunken -anchor e
+ ${NS}::label .tf.bar.rowlabel2 -text "/"
+ ${NS}::label .tf.bar.numcommits -width 7 -textvariable numcommits \
+ -relief sunken -anchor e
+ pack .tf.bar.rowlabel .tf.bar.rownum .tf.bar.rowlabel2 .tf.bar.numcommits \
+ -side left
+ if {!$use_ttk} {
+ foreach w {rownum numcommits} {.tf.bar.$w configure -font textfont}
+ }
+ global selectedline
+ trace add variable selectedline write selectedline_change
+
+ # Status label and progress bar
+ set statusw .tf.bar.status
+ ${NS}::label $statusw -width 15 -relief sunken
+ pack $statusw -side left -padx 5
+ if {$use_ttk} {
+ set progresscanv [ttk::progressbar .tf.bar.progress]
+ } else {
+ set h [expr {[font metrics uifont -linespace] + 2}]
+ set progresscanv .tf.bar.progress
+ canvas $progresscanv -relief sunken -height $h -borderwidth 2
+ set progressitem [$progresscanv create rect -1 0 0 $h -fill green]
+ set fprogitem [$progresscanv create rect -1 0 0 $h -fill yellow]
+ set rprogitem [$progresscanv create rect -1 0 0 $h -fill red]
+ }
+ pack $progresscanv -side right -expand 1 -fill x -padx {0 2}
+ set progresscoords {0 0}
+ set fprogcoord 0
+ set rprogcoord 0
+ bind $progresscanv <Configure> adjustprogress
+ set lastprogupdate [clock clicks -milliseconds]
+ set progupdatepending 0
+
+ # build up the bottom bar of upper window
+ ${NS}::label .tf.lbar.flabel -text "[mc "Find"] "
+ ${NS}::button .tf.lbar.fnext -text [mc "next"] -command {dofind 1 1}
+ ${NS}::button .tf.lbar.fprev -text [mc "prev"] -command {dofind -1 1}
+ ${NS}::label .tf.lbar.flab2 -text " [mc "commit"] "
+ pack .tf.lbar.flabel .tf.lbar.fnext .tf.lbar.fprev .tf.lbar.flab2 \
+ -side left -fill y
+ set gdttype [mc "containing:"]
+ set gm [makedroplist .tf.lbar.gdttype gdttype \
+ [mc "containing:"] \
+ [mc "touching paths:"] \
+ [mc "adding/removing string:"]]
+ trace add variable gdttype write gdttype_change
+ pack .tf.lbar.gdttype -side left -fill y
+
+ set findstring {}
+ set fstring .tf.lbar.findstring
+ lappend entries $fstring
+ ${NS}::entry $fstring -width 30 -font textfont -textvariable findstring
+ trace add variable findstring write find_change
+ set findtype [mc "Exact"]
+ set findtypemenu [makedroplist .tf.lbar.findtype \
+ findtype [mc "Exact"] [mc "IgnCase"] [mc "Regexp"]]
+ trace add variable findtype write findcom_change
+ set findloc [mc "All fields"]
+ makedroplist .tf.lbar.findloc findloc [mc "All fields"] [mc "Headline"] \
+ [mc "Comments"] [mc "Author"] [mc "Committer"]
+ trace add variable findloc write find_change
+ pack .tf.lbar.findloc -side right
+ pack .tf.lbar.findtype -side right
+ pack $fstring -side left -expand 1 -fill x
+
+ # Finish putting the upper half of the viewer together
+ pack .tf.lbar -in .tf -side bottom -fill x
+ pack .tf.bar -in .tf -side bottom -fill x
+ pack .tf.histframe -fill both -side top -expand 1
+ .ctop add .tf
+ if {!$use_ttk} {
+ .ctop paneconfigure .tf -height $geometry(topheight)
+ .ctop paneconfigure .tf -width $geometry(topwidth)
+ }
+
+ # now build up the bottom
+ ${NS}::panedwindow .pwbottom -orient horizontal
+
+ # lower left, a text box over search bar, scroll bar to the right
+ # if we know window height, then that will set the lower text height, otherwise
+ # we set lower text height which will drive window height
+ if {[info exists geometry(main)]} {
+ ${NS}::frame .bleft -width $geometry(botwidth)
+ } else {
+ ${NS}::frame .bleft -width $geometry(botwidth) -height $geometry(botheight)
+ }
+ ${NS}::frame .bleft.top
+ ${NS}::frame .bleft.mid
+ ${NS}::frame .bleft.bottom
+
+ ${NS}::button .bleft.top.search -text [mc "Search"] -command dosearch
+ pack .bleft.top.search -side left -padx 5
+ set sstring .bleft.top.sstring
+ set searchstring ""
+ ${NS}::entry $sstring -width 20 -font textfont -textvariable searchstring
+ lappend entries $sstring
+ trace add variable searchstring write incrsearch
+ pack $sstring -side left -expand 1 -fill x
+ ${NS}::radiobutton .bleft.mid.diff -text [mc "Diff"] \
+ -command changediffdisp -variable diffelide -value {0 0}
+ ${NS}::radiobutton .bleft.mid.old -text [mc "Old version"] \
+ -command changediffdisp -variable diffelide -value {0 1}
+ ${NS}::radiobutton .bleft.mid.new -text [mc "New version"] \
+ -command changediffdisp -variable diffelide -value {1 0}
+ ${NS}::label .bleft.mid.labeldiffcontext -text " [mc "Lines of context"]: "
+ pack .bleft.mid.diff .bleft.mid.old .bleft.mid.new -side left
+ spinbox .bleft.mid.diffcontext -width 5 -font textfont \
+ -from 0 -increment 1 -to 10000000 \
+ -validate all -validatecommand "diffcontextvalidate %P" \
+ -textvariable diffcontextstring
+ .bleft.mid.diffcontext set $diffcontext
+ trace add variable diffcontextstring write diffcontextchange
+ lappend entries .bleft.mid.diffcontext
+ pack .bleft.mid.labeldiffcontext .bleft.mid.diffcontext -side left
+ ${NS}::checkbutton .bleft.mid.ignspace -text [mc "Ignore space change"] \
+ -command changeignorespace -variable ignorespace
+ pack .bleft.mid.ignspace -side left -padx 5
+ set ctext .bleft.bottom.ctext
+ text $ctext -background $bgcolor -foreground $fgcolor \
+ -state disabled -font textfont \
+ -yscrollcommand scrolltext -wrap none \
+ -xscrollcommand ".bleft.bottom.sbhorizontal set"
+ if {$have_tk85} {
+ $ctext conf -tabstyle wordprocessor
+ }
+ ${NS}::scrollbar .bleft.bottom.sb -command "$ctext yview"
+ ${NS}::scrollbar .bleft.bottom.sbhorizontal -command "$ctext xview" -orient h
+ pack .bleft.top -side top -fill x
+ pack .bleft.mid -side top -fill x
+ grid $ctext .bleft.bottom.sb -sticky nsew
+ grid .bleft.bottom.sbhorizontal -sticky ew
+ grid columnconfigure .bleft.bottom 0 -weight 1
+ grid rowconfigure .bleft.bottom 0 -weight 1
+ grid rowconfigure .bleft.bottom 1 -weight 0
+ pack .bleft.bottom -side top -fill both -expand 1
+ lappend bglist $ctext
+ lappend fglist $ctext
+
+ $ctext tag conf comment -wrap $wrapcomment
+ $ctext tag conf filesep -font textfontbold -back "#aaaaaa"
+ $ctext tag conf hunksep -fore [lindex $diffcolors 2]
+ $ctext tag conf d0 -fore [lindex $diffcolors 0]
+ $ctext tag conf dresult -fore [lindex $diffcolors 1]
+ $ctext tag conf m0 -fore red
+ $ctext tag conf m1 -fore blue
+ $ctext tag conf m2 -fore green
+ $ctext tag conf m3 -fore purple
+ $ctext tag conf m4 -fore brown
+ $ctext tag conf m5 -fore "#009090"
+ $ctext tag conf m6 -fore magenta
+ $ctext tag conf m7 -fore "#808000"
+ $ctext tag conf m8 -fore "#009000"
+ $ctext tag conf m9 -fore "#ff0080"
+ $ctext tag conf m10 -fore cyan
+ $ctext tag conf m11 -fore "#b07070"
+ $ctext tag conf m12 -fore "#70b0f0"
+ $ctext tag conf m13 -fore "#70f0b0"
+ $ctext tag conf m14 -fore "#f0b070"
+ $ctext tag conf m15 -fore "#ff70b0"
+ $ctext tag conf mmax -fore darkgrey
+ set mergemax 16
+ $ctext tag conf mresult -font textfontbold
+ $ctext tag conf msep -font textfontbold
+ $ctext tag conf found -back yellow
+
+ .pwbottom add .bleft
+ if {!$use_ttk} {
+ .pwbottom paneconfigure .bleft -width $geometry(botwidth)
+ }
+
+ # lower right
+ ${NS}::frame .bright
+ ${NS}::frame .bright.mode
+ ${NS}::radiobutton .bright.mode.patch -text [mc "Patch"] \
+ -command reselectline -variable cmitmode -value "patch"
+ ${NS}::radiobutton .bright.mode.tree -text [mc "Tree"] \
+ -command reselectline -variable cmitmode -value "tree"
+ grid .bright.mode.patch .bright.mode.tree -sticky ew
+ pack .bright.mode -side top -fill x
+ set cflist .bright.cfiles
+ set indent [font measure mainfont "nn"]
+ text $cflist \
+ -selectbackground $selectbgcolor \
+ -background $bgcolor -foreground $fgcolor \
+ -font mainfont \
+ -tabs [list $indent [expr {2 * $indent}]] \
+ -yscrollcommand ".bright.sb set" \
+ -cursor [. cget -cursor] \
+ -spacing1 1 -spacing3 1
+ lappend bglist $cflist
+ lappend fglist $cflist
+ ${NS}::scrollbar .bright.sb -command "$cflist yview"
+ pack .bright.sb -side right -fill y
+ pack $cflist -side left -fill both -expand 1
+ $cflist tag configure highlight \
+ -background [$cflist cget -selectbackground]
+ $cflist tag configure bold -font mainfontbold
+
+ .pwbottom add .bright
+ .ctop add .pwbottom
+
+ # restore window width & height if known
+ if {[info exists geometry(main)]} {
+ if {[scan $geometry(main) "%dx%d" w h] >= 2} {
+ if {$w > [winfo screenwidth .]} {
+ set w [winfo screenwidth .]
+ }
+ if {$h > [winfo screenheight .]} {
+ set h [winfo screenheight .]
+ }
+ wm geometry . "${w}x$h"
+ }
+ }
+
+ if {[info exists geometry(state)] && $geometry(state) eq "zoomed"} {
+ wm state . $geometry(state)
+ }
+
+ if {[tk windowingsystem] eq {aqua}} {
+ set M1B M1
+ set ::BM "3"
+ } else {
+ set M1B Control
+ set ::BM "2"
+ }
+
+ if {$use_ttk} {
+ bind .ctop <Map> {
+ bind %W <Map> {}
+ %W sashpos 0 $::geometry(topheight)
+ }
+ bind .pwbottom <Map> {
+ bind %W <Map> {}
+ %W sashpos 0 $::geometry(botwidth)
+ }
+ }
+
+ bind .pwbottom <Configure> {resizecdetpanes %W %w}
+ pack .ctop -fill both -expand 1
+ bindall <1> {selcanvline %W %x %y}
+ #bindall <B1-Motion> {selcanvline %W %x %y}
+ if {[tk windowingsystem] == "win32"} {
+ bind . <MouseWheel> { windows_mousewheel_redirector %W %X %Y %D }
+ bind $ctext <MouseWheel> { windows_mousewheel_redirector %W %X %Y %D ; break }
+ } else {
+ bindall <ButtonRelease-4> "allcanvs yview scroll -5 units"
+ bindall <ButtonRelease-5> "allcanvs yview scroll 5 units"
+ if {[tk windowingsystem] eq "aqua"} {
+ bindall <MouseWheel> {
+ set delta [expr {- (%D)}]
+ allcanvs yview scroll $delta units
+ }
+ bindall <Shift-MouseWheel> {
+ set delta [expr {- (%D)}]
+ $canv xview scroll $delta units
+ }
+ }
+ }
+ bindall <$::BM> "canvscan mark %W %x %y"
+ bindall <B$::BM-Motion> "canvscan dragto %W %x %y"
+ bindkey <Home> selfirstline
+ bindkey <End> sellastline
+ bind . <Key-Up> "selnextline -1"
+ bind . <Key-Down> "selnextline 1"
+ bind . <Shift-Key-Up> "dofind -1 0"
+ bind . <Shift-Key-Down> "dofind 1 0"
+ bindkey <Key-Right> "goforw"
+ bindkey <Key-Left> "goback"
+ bind . <Key-Prior> "selnextpage -1"
+ bind . <Key-Next> "selnextpage 1"
+ bind . <$M1B-Home> "allcanvs yview moveto 0.0"
+ bind . <$M1B-End> "allcanvs yview moveto 1.0"
+ bind . <$M1B-Key-Up> "allcanvs yview scroll -1 units"
+ bind . <$M1B-Key-Down> "allcanvs yview scroll 1 units"
+ bind . <$M1B-Key-Prior> "allcanvs yview scroll -1 pages"
+ bind . <$M1B-Key-Next> "allcanvs yview scroll 1 pages"
+ bindkey <Key-Delete> "$ctext yview scroll -1 pages"
+ bindkey <Key-BackSpace> "$ctext yview scroll -1 pages"
+ bindkey <Key-space> "$ctext yview scroll 1 pages"
+ bindkey p "selnextline -1"
+ bindkey n "selnextline 1"
+ bindkey z "goback"
+ bindkey x "goforw"
+ bindkey i "selnextline -1"
+ bindkey k "selnextline 1"
+ bindkey j "goback"
+ bindkey l "goforw"
+ bindkey b prevfile
+ bindkey d "$ctext yview scroll 18 units"
+ bindkey u "$ctext yview scroll -18 units"
+ bindkey / {focus $fstring}
+ bindkey <Key-KP_Divide> {focus $fstring}
+ bindkey <Key-Return> {dofind 1 1}
+ bindkey ? {dofind -1 1}
+ bindkey f nextfile
+ bind . <F5> updatecommits
+ bind . <$M1B-F5> reloadcommits
+ bind . <F2> showrefs
+ bind . <Shift-F4> {newview 0}
+ catch { bind . <Shift-Key-XF86_Switch_VT_4> {newview 0} }
+ bind . <F4> edit_or_newview
+ bind . <$M1B-q> doquit
+ bind . <$M1B-f> {dofind 1 1}
+ bind . <$M1B-g> {dofind 1 0}
+ bind . <$M1B-r> dosearchback
+ bind . <$M1B-s> dosearch
+ bind . <$M1B-equal> {incrfont 1}
+ bind . <$M1B-plus> {incrfont 1}
+ bind . <$M1B-KP_Add> {incrfont 1}
+ bind . <$M1B-minus> {incrfont -1}
+ bind . <$M1B-KP_Subtract> {incrfont -1}
+ wm protocol . WM_DELETE_WINDOW doquit
+ bind . <Destroy> {stop_backends}
+ bind . <Button-1> "click %W"
+ bind $fstring <Key-Return> {dofind 1 1}
+ bind $sha1entry <Key-Return> {gotocommit; break}
+ bind $sha1entry <<PasteSelection>> clearsha1
+ bind $cflist <1> {sel_flist %W %x %y; break}
+ bind $cflist <B1-Motion> {sel_flist %W %x %y; break}
+ bind $cflist <ButtonRelease-1> {treeclick %W %x %y}
+ global ctxbut
+ bind $cflist $ctxbut {pop_flist_menu %W %X %Y %x %y}
+ bind $ctext $ctxbut {pop_diff_menu %W %X %Y %x %y}
+
+ set maincursor [. cget -cursor]
+ set textcursor [$ctext cget -cursor]
+ set curtextcursor $textcursor
+
+ set rowctxmenu .rowctxmenu
+ makemenu $rowctxmenu {
+ {mc "Diff this -> selected" command {diffvssel 0}}
+ {mc "Diff selected -> this" command {diffvssel 1}}
+ {mc "Make patch" command mkpatch}
+ {mc "Create tag" command mktag}
+ {mc "Write commit to file" command writecommit}
+ {mc "Create new branch" command mkbranch}
+ {mc "Cherry-pick this commit" command cherrypick}
+ {mc "Reset HEAD branch to here" command resethead}
+ {mc "Mark this commit" command markhere}
+ {mc "Return to mark" command gotomark}
+ {mc "Find descendant of this and mark" command find_common_desc}
+ {mc "Compare with marked commit" command compare_commits}
+ }
+ $rowctxmenu configure -tearoff 0
+
+ set fakerowmenu .fakerowmenu
+ makemenu $fakerowmenu {
+ {mc "Diff this -> selected" command {diffvssel 0}}
+ {mc "Diff selected -> this" command {diffvssel 1}}
+ {mc "Make patch" command mkpatch}
+ }
+ $fakerowmenu configure -tearoff 0
+
+ set headctxmenu .headctxmenu
+ makemenu $headctxmenu {
+ {mc "Check out this branch" command cobranch}
+ {mc "Remove this branch" command rmbranch}
+ }
+ $headctxmenu configure -tearoff 0
+
+ global flist_menu
+ set flist_menu .flistctxmenu
+ makemenu $flist_menu {
+ {mc "Highlight this too" command {flist_hl 0}}
+ {mc "Highlight this only" command {flist_hl 1}}
+ {mc "External diff" command {external_diff}}
+ {mc "Blame parent commit" command {external_blame 1}}
+ }
+ $flist_menu configure -tearoff 0
+
+ global diff_menu
+ set diff_menu .diffctxmenu
+ makemenu $diff_menu {
+ {mc "Show origin of this line" command show_line_source}
+ {mc "Run git gui blame on this line" command {external_blame_diff}}
+ }
+ $diff_menu configure -tearoff 0
+}
+
+# Windows sends all mouse wheel events to the current focused window, not
+# the one where the mouse hovers, so bind those events here and redirect
+# to the correct window
+proc windows_mousewheel_redirector {W X Y D} {
+ global canv canv2 canv3
+ set w [winfo containing -displayof $W $X $Y]
+ if {$w ne ""} {
+ set u [expr {$D < 0 ? 5 : -5}]
+ if {$w == $canv || $w == $canv2 || $w == $canv3} {
+ allcanvs yview scroll $u units
+ } else {
+ catch {
+ $w yview scroll $u units
+ }
+ }
+ }
+}
+
+# Update row number label when selectedline changes
+proc selectedline_change {n1 n2 op} {
+ global selectedline rownumsel
+
+ if {$selectedline eq {}} {
+ set rownumsel {}
+ } else {
+ set rownumsel [expr {$selectedline + 1}]
+ }
+}
+
+# mouse-2 makes all windows scan vertically, but only the one
+# the cursor is in scans horizontally
+proc canvscan {op w x y} {
+ global canv canv2 canv3
+ foreach c [list $canv $canv2 $canv3] {
+ if {$c == $w} {
+ $c scan $op $x $y
+ } else {
+ $c scan $op 0 $y
+ }
+ }
+}
+
+proc scrollcanv {cscroll f0 f1} {
+ $cscroll set $f0 $f1
+ drawvisible
+ flushhighlights
+}
+
+# when we make a key binding for the toplevel, make sure
+# it doesn't get triggered when that key is pressed in the
+# find string entry widget.
+proc bindkey {ev script} {
+ global entries
+ bind . $ev $script
+ set escript [bind Entry $ev]
+ if {$escript == {}} {
+ set escript [bind Entry <Key>]
+ }
+ foreach e $entries {
+ bind $e $ev "$escript; break"
+ }
+}
+
+# set the focus back to the toplevel for any click outside
+# the entry widgets
+proc click {w} {
+ global ctext entries
+ foreach e [concat $entries $ctext] {
+ if {$w == $e} return
+ }
+ focus .
+}
+
+# Adjust the progress bar for a change in requested extent or canvas size
+proc adjustprogress {} {
+ global progresscanv progressitem progresscoords
+ global fprogitem fprogcoord lastprogupdate progupdatepending
+ global rprogitem rprogcoord use_ttk
+
+ if {$use_ttk} {
+ $progresscanv configure -value [expr {int($fprogcoord * 100)}]
+ return
+ }
+
+ set w [expr {[winfo width $progresscanv] - 4}]
+ set x0 [expr {$w * [lindex $progresscoords 0]}]
+ set x1 [expr {$w * [lindex $progresscoords 1]}]
+ set h [winfo height $progresscanv]
+ $progresscanv coords $progressitem $x0 0 $x1 $h
+ $progresscanv coords $fprogitem 0 0 [expr {$w * $fprogcoord}] $h
+ $progresscanv coords $rprogitem 0 0 [expr {$w * $rprogcoord}] $h
+ set now [clock clicks -milliseconds]
+ if {$now >= $lastprogupdate + 100} {
+ set progupdatepending 0
+ update
+ } elseif {!$progupdatepending} {
+ set progupdatepending 1
+ after [expr {$lastprogupdate + 100 - $now}] doprogupdate
+ }
+}
+
+proc doprogupdate {} {
+ global lastprogupdate progupdatepending
+
+ if {$progupdatepending} {
+ set progupdatepending 0
+ set lastprogupdate [clock clicks -milliseconds]
+ update
+ }
+}
+
+proc savestuff {w} {
+ global canv canv2 canv3 mainfont textfont uifont tabstop
+ global stuffsaved findmergefiles maxgraphpct
+ global maxwidth showneartags showlocalchanges
+ global viewname viewfiles viewargs viewargscmd viewperm nextviewnum
+ global cmitmode wrapcomment datetimeformat limitdiffs
+ global colors uicolor bgcolor fgcolor diffcolors diffcontext selectbgcolor
+ global autoselect extdifftool perfile_attrs markbgcolor use_ttk
+ global hideremotes want_ttk
+
+ if {$stuffsaved} return
+ if {![winfo viewable .]} return
+ catch {
+ if {[file exists ~/.gitk-new]} {file delete -force ~/.gitk-new}
+ set f [open "~/.gitk-new" w]
+ if {$::tcl_platform(platform) eq {windows}} {
+ file attributes "~/.gitk-new" -hidden true
+ }
+ puts $f [list set mainfont $mainfont]
+ puts $f [list set textfont $textfont]
+ puts $f [list set uifont $uifont]
+ puts $f [list set tabstop $tabstop]
+ puts $f [list set findmergefiles $findmergefiles]
+ puts $f [list set maxgraphpct $maxgraphpct]
+ puts $f [list set maxwidth $maxwidth]
+ puts $f [list set cmitmode $cmitmode]
+ puts $f [list set wrapcomment $wrapcomment]
+ puts $f [list set autoselect $autoselect]
+ puts $f [list set showneartags $showneartags]
+ puts $f [list set hideremotes $hideremotes]
+ puts $f [list set showlocalchanges $showlocalchanges]
+ puts $f [list set datetimeformat $datetimeformat]
+ puts $f [list set limitdiffs $limitdiffs]
+ puts $f [list set uicolor $uicolor]
+ puts $f [list set want_ttk $want_ttk]
+ puts $f [list set bgcolor $bgcolor]
+ puts $f [list set fgcolor $fgcolor]
+ puts $f [list set colors $colors]
+ puts $f [list set diffcolors $diffcolors]
+ puts $f [list set markbgcolor $markbgcolor]
+ puts $f [list set diffcontext $diffcontext]
+ puts $f [list set selectbgcolor $selectbgcolor]
+ puts $f [list set extdifftool $extdifftool]
+ puts $f [list set perfile_attrs $perfile_attrs]
+
+ puts $f "set geometry(main) [wm geometry .]"
+ puts $f "set geometry(state) [wm state .]"
+ puts $f "set geometry(topwidth) [winfo width .tf]"
+ puts $f "set geometry(topheight) [winfo height .tf]"
+ if {$use_ttk} {
+ puts $f "set geometry(pwsash0) \"[.tf.histframe.pwclist sashpos 0] 1\""
+ puts $f "set geometry(pwsash1) \"[.tf.histframe.pwclist sashpos 1] 1\""
+ } else {
+ puts $f "set geometry(pwsash0) \"[.tf.histframe.pwclist sash coord 0]\""
+ puts $f "set geometry(pwsash1) \"[.tf.histframe.pwclist sash coord 1]\""
+ }
+ puts $f "set geometry(botwidth) [winfo width .bleft]"
+ puts $f "set geometry(botheight) [winfo height .bleft]"
+
+ puts -nonewline $f "set permviews {"
+ for {set v 0} {$v < $nextviewnum} {incr v} {
+ if {$viewperm($v)} {
+ puts $f "{[list $viewname($v) $viewfiles($v) $viewargs($v) $viewargscmd($v)]}"
+ }
+ }
+ puts $f "}"
+ close $f
+ file rename -force "~/.gitk-new" "~/.gitk"
+ }
+ set stuffsaved 1
+}
+
+proc resizeclistpanes {win w} {
+ global oldwidth use_ttk
+ if {[info exists oldwidth($win)]} {
+ if {$use_ttk} {
+ set s0 [$win sashpos 0]
+ set s1 [$win sashpos 1]
+ } else {
+ set s0 [$win sash coord 0]
+ set s1 [$win sash coord 1]
+ }
+ if {$w < 60} {
+ set sash0 [expr {int($w/2 - 2)}]
+ set sash1 [expr {int($w*5/6 - 2)}]
+ } else {
+ set factor [expr {1.0 * $w / $oldwidth($win)}]
+ set sash0 [expr {int($factor * [lindex $s0 0])}]
+ set sash1 [expr {int($factor * [lindex $s1 0])}]
+ if {$sash0 < 30} {
+ set sash0 30
+ }
+ if {$sash1 < $sash0 + 20} {
+ set sash1 [expr {$sash0 + 20}]
+ }
+ if {$sash1 > $w - 10} {
+ set sash1 [expr {$w - 10}]
+ if {$sash0 > $sash1 - 20} {
+ set sash0 [expr {$sash1 - 20}]
+ }
+ }
+ }
+ if {$use_ttk} {
+ $win sashpos 0 $sash0
+ $win sashpos 1 $sash1
+ } else {
+ $win sash place 0 $sash0 [lindex $s0 1]
+ $win sash place 1 $sash1 [lindex $s1 1]
+ }
+ }
+ set oldwidth($win) $w
+}
+
+proc resizecdetpanes {win w} {
+ global oldwidth use_ttk
+ if {[info exists oldwidth($win)]} {
+ if {$use_ttk} {
+ set s0 [$win sashpos 0]
+ } else {
+ set s0 [$win sash coord 0]
+ }
+ if {$w < 60} {
+ set sash0 [expr {int($w*3/4 - 2)}]
+ } else {
+ set factor [expr {1.0 * $w / $oldwidth($win)}]
+ set sash0 [expr {int($factor * [lindex $s0 0])}]
+ if {$sash0 < 45} {
+ set sash0 45
+ }
+ if {$sash0 > $w - 15} {
+ set sash0 [expr {$w - 15}]
+ }
+ }
+ if {$use_ttk} {
+ $win sashpos 0 $sash0
+ } else {
+ $win sash place 0 $sash0 [lindex $s0 1]
+ }
+ }
+ set oldwidth($win) $w
+}
+
+proc allcanvs args {
+ global canv canv2 canv3
+ eval $canv $args
+ eval $canv2 $args
+ eval $canv3 $args
+}
+
+proc bindall {event action} {
+ global canv canv2 canv3
+ bind $canv $event $action
+ bind $canv2 $event $action
+ bind $canv3 $event $action
+}
+
+proc about {} {
+ global uifont NS
+ set w .about
+ if {[winfo exists $w]} {
+ raise $w
+ return
+ }
+ ttk_toplevel $w
+ wm title $w [mc "About gitk"]
+ make_transient $w .
+ message $w.m -text [mc "
+Gitk - a commit viewer for git
+
++Copyright © 2005-2009 Paul Mackerras
+
+Use and redistribute under the terms of the GNU General Public License"] \
+ -justify center -aspect 400 -border 2 -bg white -relief groove
+ pack $w.m -side top -fill x -padx 2 -pady 2
+ ${NS}::button $w.ok -text [mc "Close"] -command "destroy $w" -default active
+ pack $w.ok -side bottom
+ bind $w <Visibility> "focus $w.ok"
+ bind $w <Key-Escape> "destroy $w"
+ bind $w <Key-Return> "destroy $w"
+ tk::PlaceWindow $w widget .
+}
+
+proc keys {} {
+ global NS
+ set w .keys
+ if {[winfo exists $w]} {
+ raise $w
+ return
+ }
+ if {[tk windowingsystem] eq {aqua}} {
+ set M1T Cmd
+ } else {
+ set M1T Ctrl
+ }
+ ttk_toplevel $w
+ wm title $w [mc "Gitk key bindings"]
+ make_transient $w .
+ message $w.m -text "
+[mc "Gitk key bindings:"]
+
+[mc "<%s-Q> Quit" $M1T]
+[mc "<Home> Move to first commit"]
+[mc "<End> Move to last commit"]
+[mc "<Up>, p, i Move up one commit"]
+[mc "<Down>, n, k Move down one commit"]
+[mc "<Left>, z, j Go back in history list"]
+[mc "<Right>, x, l Go forward in history list"]
+[mc "<PageUp> Move up one page in commit list"]
+[mc "<PageDown> Move down one page in commit list"]
+[mc "<%s-Home> Scroll to top of commit list" $M1T]
+[mc "<%s-End> Scroll to bottom of commit list" $M1T]
+[mc "<%s-Up> Scroll commit list up one line" $M1T]
+[mc "<%s-Down> Scroll commit list down one line" $M1T]
+[mc "<%s-PageUp> Scroll commit list up one page" $M1T]
+[mc "<%s-PageDown> Scroll commit list down one page" $M1T]
+[mc "<Shift-Up> Find backwards (upwards, later commits)"]
+[mc "<Shift-Down> Find forwards (downwards, earlier commits)"]
+[mc "<Delete>, b Scroll diff view up one page"]
+[mc "<Backspace> Scroll diff view up one page"]
+[mc "<Space> Scroll diff view down one page"]
+[mc "u Scroll diff view up 18 lines"]
+[mc "d Scroll diff view down 18 lines"]
+[mc "<%s-F> Find" $M1T]
+[mc "<%s-G> Move to next find hit" $M1T]
+[mc "<Return> Move to next find hit"]
+[mc "/ Focus the search box"]
+[mc "? Move to previous find hit"]
+[mc "f Scroll diff view to next file"]
+[mc "<%s-S> Search for next hit in diff view" $M1T]
+[mc "<%s-R> Search for previous hit in diff view" $M1T]
+[mc "<%s-KP+> Increase font size" $M1T]
+[mc "<%s-plus> Increase font size" $M1T]
+[mc "<%s-KP-> Decrease font size" $M1T]
+[mc "<%s-minus> Decrease font size" $M1T]
+[mc "<F5> Update"]
+" \
+ -justify left -bg white -border 2 -relief groove
+ pack $w.m -side top -fill both -padx 2 -pady 2
+ ${NS}::button $w.ok -text [mc "Close"] -command "destroy $w" -default active
+ bind $w <Key-Escape> [list destroy $w]
+ pack $w.ok -side bottom
+ bind $w <Visibility> "focus $w.ok"
+ bind $w <Key-Escape> "destroy $w"
+ bind $w <Key-Return> "destroy $w"
+}
+
+# Procedures for manipulating the file list window at the
+# bottom right of the overall window.
+
+proc treeview {w l openlevs} {
+ global treecontents treediropen treeheight treeparent treeindex
+
+ set ix 0
+ set treeindex() 0
+ set lev 0
+ set prefix {}
+ set prefixend -1
+ set prefendstack {}
+ set htstack {}
+ set ht 0
+ set treecontents() {}
+ $w conf -state normal
+ foreach f $l {
+ while {[string range $f 0 $prefixend] ne $prefix} {
+ if {$lev <= $openlevs} {
+ $w mark set e:$treeindex($prefix) "end -1c"
+ $w mark gravity e:$treeindex($prefix) left
+ }
+ set treeheight($prefix) $ht
+ incr ht [lindex $htstack end]
+ set htstack [lreplace $htstack end end]
+ set prefixend [lindex $prefendstack end]
+ set prefendstack [lreplace $prefendstack end end]
+ set prefix [string range $prefix 0 $prefixend]
+ incr lev -1
+ }
+ set tail [string range $f [expr {$prefixend+1}] end]
+ while {[set slash [string first "/" $tail]] >= 0} {
+ lappend htstack $ht
+ set ht 0
+ lappend prefendstack $prefixend
+ incr prefixend [expr {$slash + 1}]
+ set d [string range $tail 0 $slash]
+ lappend treecontents($prefix) $d
+ set oldprefix $prefix
+ append prefix $d
+ set treecontents($prefix) {}
+ set treeindex($prefix) [incr ix]
+ set treeparent($prefix) $oldprefix
+ set tail [string range $tail [expr {$slash+1}] end]
+ if {$lev <= $openlevs} {
+ set ht 1
+ set treediropen($prefix) [expr {$lev < $openlevs}]
+ set bm [expr {$lev == $openlevs? "tri-rt": "tri-dn"}]
+ $w mark set d:$ix "end -1c"
+ $w mark gravity d:$ix left
+ set str "\n"
+ for {set i 0} {$i < $lev} {incr i} {append str "\t"}
+ $w insert end $str
+ $w image create end -align center -image $bm -padx 1 \
+ -name a:$ix
+ $w insert end $d [highlight_tag $prefix]
+ $w mark set s:$ix "end -1c"
+ $w mark gravity s:$ix left
+ }
+ incr lev
+ }
+ if {$tail ne {}} {
+ if {$lev <= $openlevs} {
+ incr ht
+ set str "\n"
+ for {set i 0} {$i < $lev} {incr i} {append str "\t"}
+ $w insert end $str
+ $w insert end $tail [highlight_tag $f]
+ }
+ lappend treecontents($prefix) $tail
+ }
+ }
+ while {$htstack ne {}} {
+ set treeheight($prefix) $ht
+ incr ht [lindex $htstack end]
+ set htstack [lreplace $htstack end end]
+ set prefixend [lindex $prefendstack end]
+ set prefendstack [lreplace $prefendstack end end]
+ set prefix [string range $prefix 0 $prefixend]
+ }
+ $w conf -state disabled
+}
+
+proc linetoelt {l} {
+ global treeheight treecontents
+
+ set y 2
+ set prefix {}
+ while {1} {
+ foreach e $treecontents($prefix) {
+ if {$y == $l} {
+ return "$prefix$e"
+ }
+ set n 1
+ if {[string index $e end] eq "/"} {
+ set n $treeheight($prefix$e)
+ if {$y + $n > $l} {
+ append prefix $e
+ incr y
+ break
+ }
+ }
+ incr y $n
+ }
+ }
+}
+
+proc highlight_tree {y prefix} {
+ global treeheight treecontents cflist
+
+ foreach e $treecontents($prefix) {
+ set path $prefix$e
+ if {[highlight_tag $path] ne {}} {
+ $cflist tag add bold $y.0 "$y.0 lineend"
+ }
+ incr y
+ if {[string index $e end] eq "/" && $treeheight($path) > 1} {
+ set y [highlight_tree $y $path]
+ }
+ }
+ return $y
+}
+
+proc treeclosedir {w dir} {
+ global treediropen treeheight treeparent treeindex
+
+ set ix $treeindex($dir)
+ $w conf -state normal
+ $w delete s:$ix e:$ix
+ set treediropen($dir) 0
+ $w image configure a:$ix -image tri-rt
+ $w conf -state disabled
+ set n [expr {1 - $treeheight($dir)}]
+ while {$dir ne {}} {
+ incr treeheight($dir) $n
+ set dir $treeparent($dir)
+ }
+}
+
+proc treeopendir {w dir} {
+ global treediropen treeheight treeparent treecontents treeindex
+
+ set ix $treeindex($dir)
+ $w conf -state normal
+ $w image configure a:$ix -image tri-dn
+ $w mark set e:$ix s:$ix
+ $w mark gravity e:$ix right
+ set lev 0
+ set str "\n"
+ set n [llength $treecontents($dir)]
+ for {set x $dir} {$x ne {}} {set x $treeparent($x)} {
+ incr lev
+ append str "\t"
+ incr treeheight($x) $n
+ }
+ foreach e $treecontents($dir) {
+ set de $dir$e
+ if {[string index $e end] eq "/"} {
+ set iy $treeindex($de)
+ $w mark set d:$iy e:$ix
+ $w mark gravity d:$iy left
+ $w insert e:$ix $str
+ set treediropen($de) 0
+ $w image create e:$ix -align center -image tri-rt -padx 1 \
+ -name a:$iy
+ $w insert e:$ix $e [highlight_tag $de]
+ $w mark set s:$iy e:$ix
+ $w mark gravity s:$iy left
+ set treeheight($de) 1
+ } else {
+ $w insert e:$ix $str
+ $w insert e:$ix $e [highlight_tag $de]
+ }
+ }
+ $w mark gravity e:$ix right
+ $w conf -state disabled
+ set treediropen($dir) 1
+ set top [lindex [split [$w index @0,0] .] 0]
+ set ht [$w cget -height]
+ set l [lindex [split [$w index s:$ix] .] 0]
+ if {$l < $top} {
+ $w yview $l.0
+ } elseif {$l + $n + 1 > $top + $ht} {
+ set top [expr {$l + $n + 2 - $ht}]
+ if {$l < $top} {
+ set top $l
+ }
+ $w yview $top.0
+ }
+}
+
+proc treeclick {w x y} {
+ global treediropen cmitmode ctext cflist cflist_top
+
+ if {$cmitmode ne "tree"} return
+ if {![info exists cflist_top]} return
+ set l [lindex [split [$w index "@$x,$y"] "."] 0]
+ $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend"
+ $cflist tag add highlight $l.0 "$l.0 lineend"
+ set cflist_top $l
+ if {$l == 1} {
+ $ctext yview 1.0
+ return
+ }
+ set e [linetoelt $l]
+ if {[string index $e end] ne "/"} {
+ showfile $e
+ } elseif {$treediropen($e)} {
+ treeclosedir $w $e
+ } else {
+ treeopendir $w $e
+ }
+}
+
+proc setfilelist {id} {
+ global treefilelist cflist jump_to_here
+
+ treeview $cflist $treefilelist($id) 0
+ if {$jump_to_here ne {}} {
+ set f [lindex $jump_to_here 0]
+ if {[lsearch -exact $treefilelist($id) $f] >= 0} {
+ showfile $f
+ }
+ }
+}
+
+image create bitmap tri-rt -background black -foreground blue -data {
+ #define tri-rt_width 13
+ #define tri-rt_height 13
+ static unsigned char tri-rt_bits[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x30, 0x00, 0x70, 0x00, 0xf0, 0x00,
+ 0xf0, 0x01, 0xf0, 0x00, 0x70, 0x00, 0x30, 0x00, 0x10, 0x00, 0x00, 0x00,
+ 0x00, 0x00};
+} -maskdata {
+ #define tri-rt-mask_width 13
+ #define tri-rt-mask_height 13
+ static unsigned char tri-rt-mask_bits[] = {
+ 0x08, 0x00, 0x18, 0x00, 0x38, 0x00, 0x78, 0x00, 0xf8, 0x00, 0xf8, 0x01,
+ 0xf8, 0x03, 0xf8, 0x01, 0xf8, 0x00, 0x78, 0x00, 0x38, 0x00, 0x18, 0x00,
+ 0x08, 0x00};
+}
+image create bitmap tri-dn -background black -foreground blue -data {
+ #define tri-dn_width 13
+ #define tri-dn_height 13
+ static unsigned char tri-dn_bits[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x07, 0xf8, 0x03,
+ 0xf0, 0x01, 0xe0, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00};
+} -maskdata {
+ #define tri-dn-mask_width 13
+ #define tri-dn-mask_height 13
+ static unsigned char tri-dn-mask_bits[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x1f, 0xfe, 0x0f, 0xfc, 0x07,
+ 0xf8, 0x03, 0xf0, 0x01, 0xe0, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00};
+}
+
+image create bitmap reficon-T -background black -foreground yellow -data {
+ #define tagicon_width 13
+ #define tagicon_height 9
+ static unsigned char tagicon_bits[] = {
+ 0x00, 0x00, 0x00, 0x00, 0xf0, 0x07, 0xf8, 0x07,
+ 0xfc, 0x07, 0xf8, 0x07, 0xf0, 0x07, 0x00, 0x00, 0x00, 0x00};
+} -maskdata {
+ #define tagicon-mask_width 13
+ #define tagicon-mask_height 9
+ static unsigned char tagicon-mask_bits[] = {
+ 0x00, 0x00, 0xf0, 0x0f, 0xf8, 0x0f, 0xfc, 0x0f,
+ 0xfe, 0x0f, 0xfc, 0x0f, 0xf8, 0x0f, 0xf0, 0x0f, 0x00, 0x00};
+}
+set rectdata {
+ #define headicon_width 13
+ #define headicon_height 9
+ static unsigned char headicon_bits[] = {
+ 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0xf8, 0x07,
+ 0xf8, 0x07, 0xf8, 0x07, 0xf8, 0x07, 0x00, 0x00, 0x00, 0x00};
+}
+set rectmask {
+ #define headicon-mask_width 13
+ #define headicon-mask_height 9
+ static unsigned char headicon-mask_bits[] = {
+ 0x00, 0x00, 0xfc, 0x0f, 0xfc, 0x0f, 0xfc, 0x0f,
+ 0xfc, 0x0f, 0xfc, 0x0f, 0xfc, 0x0f, 0xfc, 0x0f, 0x00, 0x00};
+}
+image create bitmap reficon-H -background black -foreground green \
+ -data $rectdata -maskdata $rectmask
+image create bitmap reficon-o -background black -foreground "#ddddff" \
+ -data $rectdata -maskdata $rectmask
+
+proc init_flist {first} {
+ global cflist cflist_top difffilestart
+
+ $cflist conf -state normal
+ $cflist delete 0.0 end
+ if {$first ne {}} {
+ $cflist insert end $first
+ set cflist_top 1
+ $cflist tag add highlight 1.0 "1.0 lineend"
+ } else {
+ catch {unset cflist_top}
+ }
+ $cflist conf -state disabled
+ set difffilestart {}
+}
+
+proc highlight_tag {f} {
+ global highlight_paths
+
+ foreach p $highlight_paths {
+ if {[string match $p $f]} {
+ return "bold"
+ }
+ }
+ return {}
+}
+
+proc highlight_filelist {} {
+ global cmitmode cflist
+
+ $cflist conf -state normal
+ if {$cmitmode ne "tree"} {
+ set end [lindex [split [$cflist index end] .] 0]
+ for {set l 2} {$l < $end} {incr l} {
+ set line [$cflist get $l.0 "$l.0 lineend"]
+ if {[highlight_tag $line] ne {}} {
+ $cflist tag add bold $l.0 "$l.0 lineend"
+ }
+ }
+ } else {
+ highlight_tree 2 {}
+ }
+ $cflist conf -state disabled
+}
+
+proc unhighlight_filelist {} {
+ global cflist
+
+ $cflist conf -state normal
+ $cflist tag remove bold 1.0 end
+ $cflist conf -state disabled
+}
+
+proc add_flist {fl} {
+ global cflist
+
+ $cflist conf -state normal
+ foreach f $fl {
+ $cflist insert end "\n"
+ $cflist insert end $f [highlight_tag $f]
+ }
+ $cflist conf -state disabled
+}
+
+proc sel_flist {w x y} {
+ global ctext difffilestart cflist cflist_top cmitmode
+
+ if {$cmitmode eq "tree"} return
+ if {![info exists cflist_top]} return
+ set l [lindex [split [$w index "@$x,$y"] "."] 0]
+ $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend"
+ $cflist tag add highlight $l.0 "$l.0 lineend"
+ set cflist_top $l
+ if {$l == 1} {
+ $ctext yview 1.0
+ } else {
+ catch {$ctext yview [lindex $difffilestart [expr {$l - 2}]]}
+ }
+}
+
+proc pop_flist_menu {w X Y x y} {
+ global ctext cflist cmitmode flist_menu flist_menu_file
+ global treediffs diffids
+
+ stopfinding
+ set l [lindex [split [$w index "@$x,$y"] "."] 0]
+ if {$l <= 1} return
+ if {$cmitmode eq "tree"} {
+ set e [linetoelt $l]
+ if {[string index $e end] eq "/"} return
+ } else {
+ set e [lindex $treediffs($diffids) [expr {$l-2}]]
+ }
+ set flist_menu_file $e
+ set xdiffstate "normal"
+ if {$cmitmode eq "tree"} {
+ set xdiffstate "disabled"
+ }
+ # Disable "External diff" item in tree mode
+ $flist_menu entryconf 2 -state $xdiffstate
+ tk_popup $flist_menu $X $Y
+}
+
+proc find_ctext_fileinfo {line} {
+ global ctext_file_names ctext_file_lines
+
+ set ok [bsearch $ctext_file_lines $line]
+ set tline [lindex $ctext_file_lines $ok]
+
+ if {$ok >= [llength $ctext_file_lines] || $line < $tline} {
+ return {}
+ } else {
+ return [list [lindex $ctext_file_names $ok] $tline]
+ }
+}
+
+proc pop_diff_menu {w X Y x y} {
+ global ctext diff_menu flist_menu_file
+ global diff_menu_txtpos diff_menu_line
+ global diff_menu_filebase
+
+ set diff_menu_txtpos [split [$w index "@$x,$y"] "."]
+ set diff_menu_line [lindex $diff_menu_txtpos 0]
+ # don't pop up the menu on hunk-separator or file-separator lines
+ if {[lsearch -glob [$ctext tag names $diff_menu_line.0] "*sep"] >= 0} {
+ return
+ }
+ stopfinding
+ set f [find_ctext_fileinfo $diff_menu_line]
+ if {$f eq {}} return
+ set flist_menu_file [lindex $f 0]
+ set diff_menu_filebase [lindex $f 1]
+ tk_popup $diff_menu $X $Y
+}
+
+proc flist_hl {only} {
+ global flist_menu_file findstring gdttype
+
+ set x [shellquote $flist_menu_file]
+ if {$only || $findstring eq {} || $gdttype ne [mc "touching paths:"]} {
+ set findstring $x
+ } else {
+ append findstring " " $x
+ }
+ set gdttype [mc "touching paths:"]
+}
+
+proc gitknewtmpdir {} {
+ global diffnum gitktmpdir gitdir
+
+ if {![info exists gitktmpdir]} {
+ set gitktmpdir [file join [file dirname $gitdir] \
+ [format ".gitk-tmp.%s" [pid]]]
+ if {[catch {file mkdir $gitktmpdir} err]} {
+ error_popup "[mc "Error creating temporary directory %s:" $gitktmpdir] $err"
+ unset gitktmpdir
+ return {}
+ }
+ set diffnum 0
+ }
+ incr diffnum
+ set diffdir [file join $gitktmpdir $diffnum]
+ if {[catch {file mkdir $diffdir} err]} {
+ error_popup "[mc "Error creating temporary directory %s:" $diffdir] $err"
+ return {}
+ }
+ return $diffdir
+}
+
+proc save_file_from_commit {filename output what} {
+ global nullfile
+
+ if {[catch {exec git show $filename -- > $output} err]} {
+ if {[string match "fatal: bad revision *" $err]} {
+ return $nullfile
+ }
+ error_popup "[mc "Error getting \"%s\" from %s:" $filename $what] $err"
+ return {}
+ }
+ return $output
+}
+
+proc external_diff_get_one_file {diffid filename diffdir} {
+ global nullid nullid2 nullfile
+ global gitdir
+
+ if {$diffid == $nullid} {
+ set difffile [file join [file dirname $gitdir] $filename]
+ if {[file exists $difffile]} {
+ return $difffile
+ }
+ return $nullfile
+ }
+ if {$diffid == $nullid2} {
+ set difffile [file join $diffdir "\[index\] [file tail $filename]"]
+ return [save_file_from_commit :$filename $difffile index]
+ }
+ set difffile [file join $diffdir "\[$diffid\] [file tail $filename]"]
+ return [save_file_from_commit $diffid:$filename $difffile \
+ "revision $diffid"]
+}
+
+proc external_diff {} {
+ global nullid nullid2
+ global flist_menu_file
+ global diffids
+ global extdifftool
+
+ if {[llength $diffids] == 1} {
+ # no reference commit given
+ set diffidto [lindex $diffids 0]
+ if {$diffidto eq $nullid} {
+ # diffing working copy with index
+ set diffidfrom $nullid2
+ } elseif {$diffidto eq $nullid2} {
+ # diffing index with HEAD
+ set diffidfrom "HEAD"
+ } else {
+ # use first parent commit
+ global parentlist selectedline
+ set diffidfrom [lindex $parentlist $selectedline 0]
+ }
+ } else {
+ set diffidfrom [lindex $diffids 0]
+ set diffidto [lindex $diffids 1]
+ }
+
+ # make sure that several diffs wont collide
+ set diffdir [gitknewtmpdir]
+ if {$diffdir eq {}} return
+
+ # gather files to diff
+ set difffromfile [external_diff_get_one_file $diffidfrom $flist_menu_file $diffdir]
+ set difftofile [external_diff_get_one_file $diffidto $flist_menu_file $diffdir]
+
+ if {$difffromfile ne {} && $difftofile ne {}} {
+ set cmd [list [shellsplit $extdifftool] $difffromfile $difftofile]
+ if {[catch {set fl [open |$cmd r]} err]} {
+ file delete -force $diffdir
+ error_popup "$extdifftool: [mc "command failed:"] $err"
+ } else {
+ fconfigure $fl -blocking 0
+ filerun $fl [list delete_at_eof $fl $diffdir]
+ }
+ }
+}
+
+proc find_hunk_blamespec {base line} {
+ global ctext
+
+ # Find and parse the hunk header
+ set s_lix [$ctext search -backwards -regexp ^@@ "$line.0 lineend" $base.0]
+ if {$s_lix eq {}} return
+
+ set s_line [$ctext get $s_lix "$s_lix + 1 lines"]
+ if {![regexp {^@@@*(( -\d+(,\d+)?)+) \+(\d+)(,\d+)? @@} $s_line \
+ s_line old_specs osz osz1 new_line nsz]} {
+ return
+ }
+
+ # base lines for the parents
+ set base_lines [list $new_line]
+ foreach old_spec [lrange [split $old_specs " "] 1 end] {
+ if {![regexp -- {-(\d+)(,\d+)?} $old_spec \
+ old_spec old_line osz]} {
+ return
+ }
+ lappend base_lines $old_line
+ }
+
+ # Now scan the lines to determine offset within the hunk
+ set max_parent [expr {[llength $base_lines]-2}]
+ set dline 0
+ set s_lno [lindex [split $s_lix "."] 0]
+
+ # Determine if the line is removed
+ set chunk [$ctext get $line.0 "$line.1 + $max_parent chars"]
+ if {[string match {[-+ ]*} $chunk]} {
+ set removed_idx [string first "-" $chunk]
+ # Choose a parent index
+ if {$removed_idx >= 0} {
+ set parent $removed_idx
+ } else {
+ set unchanged_idx [string first " " $chunk]
+ if {$unchanged_idx >= 0} {
+ set parent $unchanged_idx
+ } else {
+ # blame the current commit
+ set parent -1
+ }
+ }
+ # then count other lines that belong to it
+ for {set i $line} {[incr i -1] > $s_lno} {} {
+ set chunk [$ctext get $i.0 "$i.1 + $max_parent chars"]
+ # Determine if the line is removed
+ set removed_idx [string first "-" $chunk]
+ if {$parent >= 0} {
+ set code [string index $chunk $parent]
+ if {$code eq "-" || ($removed_idx < 0 && $code ne "+")} {
+ incr dline
+ }
+ } else {
+ if {$removed_idx < 0} {
+ incr dline
+ }
+ }
+ }
+ incr parent
+ } else {
+ set parent 0
+ }
+
+ incr dline [lindex $base_lines $parent]
+ return [list $parent $dline]
+}
+
+proc external_blame_diff {} {
+ global currentid cmitmode
+ global diff_menu_txtpos diff_menu_line
+ global diff_menu_filebase flist_menu_file
+
+ if {$cmitmode eq "tree"} {
+ set parent_idx 0
+ set line [expr {$diff_menu_line - $diff_menu_filebase}]
+ } else {
+ set hinfo [find_hunk_blamespec $diff_menu_filebase $diff_menu_line]
+ if {$hinfo ne {}} {
+ set parent_idx [lindex $hinfo 0]
+ set line [lindex $hinfo 1]
+ } else {
+ set parent_idx 0
+ set line 0
+ }
+ }
+
+ external_blame $parent_idx $line
+}
+
+# Find the SHA1 ID of the blob for file $fname in the index
+# at stage 0 or 2
+proc index_sha1 {fname} {
+ set f [open [list | git ls-files -s $fname] r]
+ while {[gets $f line] >= 0} {
+ set info [lindex [split $line "\t"] 0]
+ set stage [lindex $info 2]
+ if {$stage eq "0" || $stage eq "2"} {
+ close $f
+ return [lindex $info 1]
+ }
+ }
+ close $f
+ return {}
+}
+
+# Turn an absolute path into one relative to the current directory
+proc make_relative {f} {
+ if {[file pathtype $f] eq "relative"} {
+ return $f
+ }
+ set elts [file split $f]
+ set here [file split [pwd]]
+ set ei 0
+ set hi 0
+ set res {}
+ foreach d $here {
+ if {$ei < $hi || $ei >= [llength $elts] || [lindex $elts $ei] ne $d} {
+ lappend res ".."
+ } else {
+ incr ei
+ }
+ incr hi
+ }
+ set elts [concat $res [lrange $elts $ei end]]
+ return [eval file join $elts]
+}
+
+proc external_blame {parent_idx {line {}}} {
+ global flist_menu_file gitdir
+ global nullid nullid2
+ global parentlist selectedline currentid
+
+ if {$parent_idx > 0} {
+ set base_commit [lindex $parentlist $selectedline [expr {$parent_idx-1}]]
+ } else {
+ set base_commit $currentid
+ }
+
+ if {$base_commit eq {} || $base_commit eq $nullid || $base_commit eq $nullid2} {
+ error_popup [mc "No such commit"]
+ return
+ }
+
+ set cmdline [list git gui blame]
+ if {$line ne {} && $line > 1} {
+ lappend cmdline "--line=$line"
+ }
+ set f [file join [file dirname $gitdir] $flist_menu_file]
+ # Unfortunately it seems git gui blame doesn't like
+ # being given an absolute path...
+ set f [make_relative $f]
+ lappend cmdline $base_commit $f
+ if {[catch {eval exec $cmdline &} err]} {
+ error_popup "[mc "git gui blame: command failed:"] $err"
+ }
+}
+
+proc show_line_source {} {
+ global cmitmode currentid parents curview blamestuff blameinst
+ global diff_menu_line diff_menu_filebase flist_menu_file
+ global nullid nullid2 gitdir
+
+ set from_index {}
+ if {$cmitmode eq "tree"} {
+ set id $currentid
+ set line [expr {$diff_menu_line - $diff_menu_filebase}]
+ } else {
+ set h [find_hunk_blamespec $diff_menu_filebase $diff_menu_line]
+ if {$h eq {}} return
+ set pi [lindex $h 0]
+ if {$pi == 0} {
+ mark_ctext_line $diff_menu_line
+ return
+ }
+ incr pi -1
+ if {$currentid eq $nullid} {
+ if {$pi > 0} {
+ # must be a merge in progress...
+ if {[catch {
+ # get the last line from .git/MERGE_HEAD
+ set f [open [file join $gitdir MERGE_HEAD] r]
+ set id [lindex [split [read $f] "\n"] end-1]
+ close $f
+ } err]} {
+ error_popup [mc "Couldn't read merge head: %s" $err]
+ return
+ }
+ } elseif {$parents($curview,$currentid) eq $nullid2} {
+ # need to do the blame from the index
+ if {[catch {
+ set from_index [index_sha1 $flist_menu_file]
+ } err]} {
+ error_popup [mc "Error reading index: %s" $err]
+ return
+ }
+ } else {
+ set id $parents($curview,$currentid)
+ }
+ } else {
+ set id [lindex $parents($curview,$currentid) $pi]
+ }
+ set line [lindex $h 1]
+ }
+ set blameargs {}
+ if {$from_index ne {}} {
+ lappend blameargs | git cat-file blob $from_index
+ }
+ lappend blameargs | git blame -p -L$line,+1
+ if {$from_index ne {}} {
+ lappend blameargs --contents -
+ } else {
+ lappend blameargs $id
+ }
+ lappend blameargs -- [file join [file dirname $gitdir] $flist_menu_file]
+ if {[catch {
+ set f [open $blameargs r]
+ } err]} {
+ error_popup [mc "Couldn't start git blame: %s" $err]
+ return
+ }
+ nowbusy blaming [mc "Searching"]
+ fconfigure $f -blocking 0
+ set i [reg_instance $f]
+ set blamestuff($i) {}
+ set blameinst $i
+ filerun $f [list read_line_source $f $i]
+}
+
+proc stopblaming {} {
+ global blameinst
+
+ if {[info exists blameinst]} {
+ stop_instance $blameinst
+ unset blameinst
+ notbusy blaming
+ }
+}
+
+proc read_line_source {fd inst} {
+ global blamestuff curview commfd blameinst nullid nullid2
+
+ while {[gets $fd line] >= 0} {
+ lappend blamestuff($inst) $line
+ }
+ if {![eof $fd]} {
+ return 1
+ }
+ unset commfd($inst)
+ unset blameinst
+ notbusy blaming
+ fconfigure $fd -blocking 1
+ if {[catch {close $fd} err]} {
+ error_popup [mc "Error running git blame: %s" $err]
+ return 0
+ }
+
+ set fname {}
+ set line [split [lindex $blamestuff($inst) 0] " "]
+ set id [lindex $line 0]
+ set lnum [lindex $line 1]
+ if {[string length $id] == 40 && [string is xdigit $id] &&
+ [string is digit -strict $lnum]} {
+ # look for "filename" line
+ foreach l $blamestuff($inst) {
+ if {[string match "filename *" $l]} {
+ set fname [string range $l 9 end]
+ break
+ }
+ }
+ }
+ if {$fname ne {}} {
+ # all looks good, select it
+ if {$id eq $nullid} {
+ # blame uses all-zeroes to mean not committed,
+ # which would mean a change in the index
+ set id $nullid2
+ }
+ if {[commitinview $id $curview]} {
+ selectline [rowofcommit $id] 1 [list $fname $lnum]
+ } else {
+ error_popup [mc "That line comes from commit %s, \
+ which is not in this view" [shortids $id]]
+ }
+ } else {
+ puts "oops couldn't parse git blame output"
+ }
+ return 0
+}
+
+# delete $dir when we see eof on $f (presumably because the child has exited)
+proc delete_at_eof {f dir} {
+ while {[gets $f line] >= 0} {}
+ if {[eof $f]} {
+ if {[catch {close $f} err]} {
+ error_popup "[mc "External diff viewer failed:"] $err"
+ }
+ file delete -force $dir
+ return 0
+ }
+ return 1
+}
+
+# Functions for adding and removing shell-type quoting
+
+proc shellquote {str} {
+ if {![string match "*\['\"\\ \t]*" $str]} {
+ return $str
+ }
+ if {![string match "*\['\"\\]*" $str]} {
+ return "\"$str\""
+ }
+ if {![string match "*'*" $str]} {
+ return "'$str'"
+ }
+ return "\"[string map {\" \\\" \\ \\\\} $str]\""
+}
+
+proc shellarglist {l} {
+ set str {}
+ foreach a $l {
+ if {$str ne {}} {
+ append str " "
+ }
+ append str [shellquote $a]
+ }
+ return $str
+}
+
+proc shelldequote {str} {
+ set ret {}
+ set used -1
+ while {1} {
+ incr used
+ if {![regexp -start $used -indices "\['\"\\\\ \t]" $str first]} {
+ append ret [string range $str $used end]
+ set used [string length $str]
+ break
+ }
+ set first [lindex $first 0]
+ set ch [string index $str $first]
+ if {$first > $used} {
+ append ret [string range $str $used [expr {$first - 1}]]
+ set used $first
+ }
+ if {$ch eq " " || $ch eq "\t"} break
+ incr used
+ if {$ch eq "'"} {
+ set first [string first "'" $str $used]
+ if {$first < 0} {
+ error "unmatched single-quote"
+ }
+ append ret [string range $str $used [expr {$first - 1}]]
+ set used $first
+ continue
+ }
+ if {$ch eq "\\"} {
+ if {$used >= [string length $str]} {
+ error "trailing backslash"
+ }
+ append ret [string index $str $used]
+ continue
+ }
+ # here ch == "\""
+ while {1} {
+ if {![regexp -start $used -indices "\[\"\\\\]" $str first]} {
+ error "unmatched double-quote"
+ }
+ set first [lindex $first 0]
+ set ch [string index $str $first]
+ if {$first > $used} {
+ append ret [string range $str $used [expr {$first - 1}]]
+ set used $first
+ }
+ if {$ch eq "\""} break
+ incr used
+ append ret [string index $str $used]
+ incr used
+ }
+ }
+ return [list $used $ret]
+}
+
+proc shellsplit {str} {
+ set l {}
+ while {1} {
+ set str [string trimleft $str]
+ if {$str eq {}} break
+ set dq [shelldequote $str]
+ set n [lindex $dq 0]
+ set word [lindex $dq 1]
+ set str [string range $str $n end]
+ lappend l $word
+ }
+ return $l
+}
+
+# Code to implement multiple views
+
+proc newview {ishighlight} {
+ global nextviewnum newviewname newishighlight
+ global revtreeargs viewargscmd newviewopts curview
+
+ set newishighlight $ishighlight
+ set top .gitkview
+ if {[winfo exists $top]} {
+ raise $top
+ return
+ }
+ set newviewname($nextviewnum) "[mc "View"] $nextviewnum"
+ set newviewopts($nextviewnum,perm) 0
+ set newviewopts($nextviewnum,cmd) $viewargscmd($curview)
+ decode_view_opts $nextviewnum $revtreeargs
+ vieweditor $top $nextviewnum [mc "Gitk view definition"]
+}
+
+set known_view_options {
+ {perm b . {} {mc "Remember this view"}}
+ {reflabel l + {} {mc "References (space separated list):"}}
+ {refs t15 .. {} {mc "Branches & tags:"}}
+ {allrefs b *. "--all" {mc "All refs"}}
+ {branches b . "--branches" {mc "All (local) branches"}}
+ {tags b . "--tags" {mc "All tags"}}
+ {remotes b . "--remotes" {mc "All remote-tracking branches"}}
+ {commitlbl l + {} {mc "Commit Info (regular expressions):"}}
+ {author t15 .. "--author=*" {mc "Author:"}}
+ {committer t15 . "--committer=*" {mc "Committer:"}}
+ {loginfo t15 .. "--grep=*" {mc "Commit Message:"}}
+ {allmatch b .. "--all-match" {mc "Matches all Commit Info criteria"}}
+ {changes_l l + {} {mc "Changes to Files:"}}
+ {pickaxe_s r0 . {} {mc "Fixed String"}}
+ {pickaxe_t r1 . "--pickaxe-regex" {mc "Regular Expression"}}
+ {pickaxe t15 .. "-S*" {mc "Search string:"}}
+ {datelabel l + {} {mc "Commit Dates (\"2 weeks ago\", \"2009-03-17 15:27:38\", \"March 17, 2009 15:27:38\"):"}}
+ {since t15 .. {"--since=*" "--after=*"} {mc "Since:"}}
+ {until t15 . {"--until=*" "--before=*"} {mc "Until:"}}
+ {limit_lbl l + {} {mc "Limit and/or skip a number of revisions (positive integer):"}}
+ {limit t10 *. "--max-count=*" {mc "Number to show:"}}
+ {skip t10 . "--skip=*" {mc "Number to skip:"}}
+ {misc_lbl l + {} {mc "Miscellaneous options:"}}
+ {dorder b *. {"--date-order" "-d"} {mc "Strictly sort by date"}}
+ {lright b . "--left-right" {mc "Mark branch sides"}}
+ {first b . "--first-parent" {mc "Limit to first parent"}}
+ {smplhst b . "--simplify-by-decoration" {mc "Simple history"}}
+ {args t50 *. {} {mc "Additional arguments to git log:"}}
+ {allpaths path + {} {mc "Enter files and directories to include, one per line:"}}
+ {cmd t50= + {} {mc "Command to generate more commits to include:"}}
+ }
+
+proc encode_view_opts {n} {
+ global known_view_options newviewopts
+
+ set rargs [list]
+ foreach opt $known_view_options {
+ set patterns [lindex $opt 3]
+ if {$patterns eq {}} continue
+ set pattern [lindex $patterns 0]
+
+ if {[lindex $opt 1] eq "b"} {
+ set val $newviewopts($n,[lindex $opt 0])
+ if {$val} {
+ lappend rargs $pattern
+ }
+ } elseif {[regexp {^r(\d+)$} [lindex $opt 1] type value]} {
+ regexp {^(.*_)} [lindex $opt 0] uselessvar button_id
+ set val $newviewopts($n,$button_id)
+ if {$val eq $value} {
+ lappend rargs $pattern
+ }
+ } else {
+ set val $newviewopts($n,[lindex $opt 0])
+ set val [string trim $val]
+ if {$val ne {}} {
+ set pfix [string range $pattern 0 end-1]
+ lappend rargs $pfix$val
+ }
+ }
+ }
+ set rargs [concat $rargs [shellsplit $newviewopts($n,refs)]]
+ return [concat $rargs [shellsplit $newviewopts($n,args)]]
+}
+
+proc decode_view_opts {n view_args} {
+ global known_view_options newviewopts
+
+ foreach opt $known_view_options {
+ set id [lindex $opt 0]
+ if {[lindex $opt 1] eq "b"} {
+ # Checkboxes
+ set val 0
+ } elseif {[regexp {^r(\d+)$} [lindex $opt 1]]} {
+ # Radiobuttons
+ regexp {^(.*_)} $id uselessvar id
+ set val 0
+ } else {
+ # Text fields
+ set val {}
+ }
+ set newviewopts($n,$id) $val
+ }
+ set oargs [list]
+ set refargs [list]
+ foreach arg $view_args {
+ if {[regexp -- {^-([0-9]+)$} $arg arg cnt]
+ && ![info exists found(limit)]} {
+ set newviewopts($n,limit) $cnt
+ set found(limit) 1
+ continue
+ }
+ catch { unset val }
+ foreach opt $known_view_options {
+ set id [lindex $opt 0]
+ if {[info exists found($id)]} continue
+ foreach pattern [lindex $opt 3] {
+ if {![string match $pattern $arg]} continue
+ if {[lindex $opt 1] eq "b"} {
+ # Check buttons
+ set val 1
+ } elseif {[regexp {^r(\d+)$} [lindex $opt 1] match num]} {
+ # Radio buttons
+ regexp {^(.*_)} $id uselessvar id
+ set val $num
+ } else {
+ # Text input fields
+ set size [string length $pattern]
+ set val [string range $arg [expr {$size-1}] end]
+ }
+ set newviewopts($n,$id) $val
+ set found($id) 1
+ break
+ }
+ if {[info exists val]} break
+ }
+ if {[info exists val]} continue
+ if {[regexp {^-} $arg]} {
+ lappend oargs $arg
+ } else {
+ lappend refargs $arg
+ }
+ }
+ set newviewopts($n,refs) [shellarglist $refargs]
+ set newviewopts($n,args) [shellarglist $oargs]
+}
+
+proc edit_or_newview {} {
+ global curview
+
+ if {$curview > 0} {
+ editview
+ } else {
+ newview 0
+ }
+}
+
+proc editview {} {
+ global curview
+ global viewname viewperm newviewname newviewopts
+ global viewargs viewargscmd
+
+ set top .gitkvedit-$curview
+ if {[winfo exists $top]} {
+ raise $top
+ return
+ }
+ set newviewname($curview) $viewname($curview)
+ set newviewopts($curview,perm) $viewperm($curview)
+ set newviewopts($curview,cmd) $viewargscmd($curview)
+ decode_view_opts $curview $viewargs($curview)
+ vieweditor $top $curview "[mc "Gitk: edit view"] $viewname($curview)"
+}
+
+proc vieweditor {top n title} {
+ global newviewname newviewopts viewfiles bgcolor
+ global known_view_options NS
+
+ ttk_toplevel $top
+ wm title $top [concat $title [mc "-- criteria for selecting revisions"]]
+ make_transient $top .
+
+ # View name
+ ${NS}::frame $top.nfr
+ ${NS}::label $top.nl -text [mc "View Name"]
+ ${NS}::entry $top.name -width 20 -textvariable newviewname($n)
+ pack $top.nfr -in $top -fill x -pady 5 -padx 3
+ pack $top.nl -in $top.nfr -side left -padx {0 5}
+ pack $top.name -in $top.nfr -side left -padx {0 25}
+
+ # View options
+ set cframe $top.nfr
+ set cexpand 0
+ set cnt 0
+ foreach opt $known_view_options {
+ set id [lindex $opt 0]
+ set type [lindex $opt 1]
+ set flags [lindex $opt 2]
+ set title [eval [lindex $opt 4]]
+ set lxpad 0
+
+ if {$flags eq "+" || $flags eq "*"} {
+ set cframe $top.fr$cnt
+ incr cnt
+ ${NS}::frame $cframe
+ pack $cframe -in $top -fill x -pady 3 -padx 3
+ set cexpand [expr {$flags eq "*"}]
+ } elseif {$flags eq ".." || $flags eq "*."} {
+ set cframe $top.fr$cnt
+ incr cnt
+ ${NS}::frame $cframe
+ pack $cframe -in $top -fill x -pady 3 -padx [list 15 3]
+ set cexpand [expr {$flags eq "*."}]
+ } else {
+ set lxpad 5
+ }
+
+ if {$type eq "l"} {
+ ${NS}::label $cframe.l_$id -text $title
+ pack $cframe.l_$id -in $cframe -side left -pady [list 3 0] -anchor w
+ } elseif {$type eq "b"} {
+ ${NS}::checkbutton $cframe.c_$id -text $title -variable newviewopts($n,$id)
+ pack $cframe.c_$id -in $cframe -side left \
+ -padx [list $lxpad 0] -expand $cexpand -anchor w
+ } elseif {[regexp {^r(\d+)$} $type type sz]} {
+ regexp {^(.*_)} $id uselessvar button_id
+ ${NS}::radiobutton $cframe.c_$id -text $title -variable newviewopts($n,$button_id) -value $sz
+ pack $cframe.c_$id -in $cframe -side left \
+ -padx [list $lxpad 0] -expand $cexpand -anchor w
+ } elseif {[regexp {^t(\d+)$} $type type sz]} {
+ ${NS}::label $cframe.l_$id -text $title
+ ${NS}::entry $cframe.e_$id -width $sz -background $bgcolor \
+ -textvariable newviewopts($n,$id)
+ pack $cframe.l_$id -in $cframe -side left -padx [list $lxpad 0]
+ pack $cframe.e_$id -in $cframe -side left -expand 1 -fill x
+ } elseif {[regexp {^t(\d+)=$} $type type sz]} {
+ ${NS}::label $cframe.l_$id -text $title
+ ${NS}::entry $cframe.e_$id -width $sz -background $bgcolor \
+ -textvariable newviewopts($n,$id)
+ pack $cframe.l_$id -in $cframe -side top -pady [list 3 0] -anchor w
+ pack $cframe.e_$id -in $cframe -side top -fill x
+ } elseif {$type eq "path"} {
+ ${NS}::label $top.l -text $title
+ pack $top.l -in $top -side top -pady [list 3 0] -anchor w -padx 3
+ text $top.t -width 40 -height 5 -background $bgcolor -font uifont
+ if {[info exists viewfiles($n)]} {
+ foreach f $viewfiles($n) {
+ $top.t insert end $f
+ $top.t insert end "\n"
+ }
+ $top.t delete {end - 1c} end
+ $top.t mark set insert 0.0
+ }
+ pack $top.t -in $top -side top -pady [list 0 5] -fill both -expand 1 -padx 3
+ }
+ }
+
+ ${NS}::frame $top.buts
+ ${NS}::button $top.buts.ok -text [mc "OK"] -command [list newviewok $top $n]
+ ${NS}::button $top.buts.apply -text [mc "Apply (F5)"] -command [list newviewok $top $n 1]
+ ${NS}::button $top.buts.can -text [mc "Cancel"] -command [list destroy $top]
+ bind $top <Control-Return> [list newviewok $top $n]
+ bind $top <F5> [list newviewok $top $n 1]
+ bind $top <Escape> [list destroy $top]
+ grid $top.buts.ok $top.buts.apply $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid columnconfigure $top.buts 2 -weight 1 -uniform a
+ pack $top.buts -in $top -side top -fill x
+ focus $top.t
+}
+
+proc doviewmenu {m first cmd op argv} {
+ set nmenu [$m index end]
+ for {set i $first} {$i <= $nmenu} {incr i} {
+ if {[$m entrycget $i -command] eq $cmd} {
+ eval $m $op $i $argv
+ break
+ }
+ }
+}
+
+proc allviewmenus {n op args} {
+ # global viewhlmenu
+
+ doviewmenu .bar.view 5 [list showview $n] $op $args
+ # doviewmenu $viewhlmenu 1 [list addvhighlight $n] $op $args
+}
+
+proc newviewok {top n {apply 0}} {
+ global nextviewnum newviewperm newviewname newishighlight
+ global viewname viewfiles viewperm selectedview curview
+ global viewargs viewargscmd newviewopts viewhlmenu
+
+ if {[catch {
+ set newargs [encode_view_opts $n]
+ } err]} {
+ error_popup "[mc "Error in commit selection arguments:"] $err" $top
+ return
+ }
+ set files {}
+ foreach f [split [$top.t get 0.0 end] "\n"] {
+ set ft [string trim $f]
+ if {$ft ne {}} {
+ lappend files $ft
+ }
+ }
+ if {![info exists viewfiles($n)]} {
+ # creating a new view
+ incr nextviewnum
+ set viewname($n) $newviewname($n)
+ set viewperm($n) $newviewopts($n,perm)
+ set viewfiles($n) $files
+ set viewargs($n) $newargs
+ set viewargscmd($n) $newviewopts($n,cmd)
+ addviewmenu $n
+ if {!$newishighlight} {
+ run showview $n
+ } else {
+ run addvhighlight $n
+ }
+ } else {
+ # editing an existing view
+ set viewperm($n) $newviewopts($n,perm)
+ if {$newviewname($n) ne $viewname($n)} {
+ set viewname($n) $newviewname($n)
+ doviewmenu .bar.view 5 [list showview $n] \
+ entryconf [list -label $viewname($n)]
+ # doviewmenu $viewhlmenu 1 [list addvhighlight $n] \
+ # entryconf [list -label $viewname($n) -value $viewname($n)]
+ }
+ if {$files ne $viewfiles($n) || $newargs ne $viewargs($n) || \
+ $newviewopts($n,cmd) ne $viewargscmd($n)} {
+ set viewfiles($n) $files
+ set viewargs($n) $newargs
+ set viewargscmd($n) $newviewopts($n,cmd)
+ if {$curview == $n} {
+ run reloadcommits
+ }
+ }
+ }
+ if {$apply} return
+ catch {destroy $top}
+}
+
+proc delview {} {
+ global curview viewperm hlview selectedhlview
+
+ if {$curview == 0} return
+ if {[info exists hlview] && $hlview == $curview} {
+ set selectedhlview [mc "None"]
+ unset hlview
+ }
+ allviewmenus $curview delete
+ set viewperm($curview) 0
+ showview 0
+}
+
+proc addviewmenu {n} {
+ global viewname viewhlmenu
+
+ .bar.view add radiobutton -label $viewname($n) \
+ -command [list showview $n] -variable selectedview -value $n
+ #$viewhlmenu add radiobutton -label $viewname($n) \
+ # -command [list addvhighlight $n] -variable selectedhlview
+}
+
+proc showview {n} {
+ global curview cached_commitrow ordertok
+ global displayorder parentlist rowidlist rowisopt rowfinal
+ global colormap rowtextx nextcolor canvxmax
+ global numcommits viewcomplete
+ global selectedline currentid canv canvy0
+ global treediffs
+ global pending_select mainheadid
+ global commitidx
+ global selectedview
+ global hlview selectedhlview commitinterest
+
+ if {$n == $curview} return
+ set selid {}
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ set span [$canv yview]
+ set ytop [expr {[lindex $span 0] * $ymax}]
+ set ybot [expr {[lindex $span 1] * $ymax}]
+ set yscreen [expr {($ybot - $ytop) / 2}]
+ if {$selectedline ne {}} {
+ set selid $currentid
+ set y [yc $selectedline]
+ if {$ytop < $y && $y < $ybot} {
+ set yscreen [expr {$y - $ytop}]
+ }
+ } elseif {[info exists pending_select]} {
+ set selid $pending_select
+ unset pending_select
+ }
+ unselectline
+ normalline
+ catch {unset treediffs}
+ clear_display
+ if {[info exists hlview] && $hlview == $n} {
+ unset hlview
+ set selectedhlview [mc "None"]
+ }
+ catch {unset commitinterest}
+ catch {unset cached_commitrow}
+ catch {unset ordertok}
+
+ set curview $n
+ set selectedview $n
+ .bar.view entryconf [mca "Edit view..."] -state [expr {$n == 0? "disabled": "normal"}]
+ .bar.view entryconf [mca "Delete view"] -state [expr {$n == 0? "disabled": "normal"}]
+
+ run refill_reflist
+ if {![info exists viewcomplete($n)]} {
+ getcommits $selid
+ return
+ }
+
+ set displayorder {}
+ set parentlist {}
+ set rowidlist {}
+ set rowisopt {}
+ set rowfinal {}
+ set numcommits $commitidx($n)
+
+ catch {unset colormap}
+ catch {unset rowtextx}
+ set nextcolor 0
+ set canvxmax [$canv cget -width]
+ set curview $n
+ set row 0
+ setcanvscroll
+ set yf 0
+ set row {}
+ if {$selid ne {} && [commitinview $selid $n]} {
+ set row [rowofcommit $selid]
+ # try to get the selected row in the same position on the screen
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ set ytop [expr {[yc $row] - $yscreen}]
+ if {$ytop < 0} {
+ set ytop 0
+ }
+ set yf [expr {$ytop * 1.0 / $ymax}]
+ }
+ allcanvs yview moveto $yf
+ drawvisible
+ if {$row ne {}} {
+ selectline $row 0
+ } elseif {!$viewcomplete($n)} {
+ reset_pending_select $selid
+ } else {
+ reset_pending_select {}
+
+ if {[commitinview $pending_select $curview]} {
+ selectline [rowofcommit $pending_select] 1
+ } else {
+ set row [first_real_row]
+ if {$row < $numcommits} {
+ selectline $row 0
+ }
+ }
+ }
+ if {!$viewcomplete($n)} {
+ if {$numcommits == 0} {
+ show_status [mc "Reading commits..."]
+ }
+ } elseif {$numcommits == 0} {
+ show_status [mc "No commits selected"]
+ }
+}
+
+# Stuff relating to the highlighting facility
+
+proc ishighlighted {id} {
+ global vhighlights fhighlights nhighlights rhighlights
+
+ if {[info exists nhighlights($id)] && $nhighlights($id) > 0} {
+ return $nhighlights($id)
+ }
+ if {[info exists vhighlights($id)] && $vhighlights($id) > 0} {
+ return $vhighlights($id)
+ }
+ if {[info exists fhighlights($id)] && $fhighlights($id) > 0} {
+ return $fhighlights($id)
+ }
+ if {[info exists rhighlights($id)] && $rhighlights($id) > 0} {
+ return $rhighlights($id)
+ }
+ return 0
+}
+
+proc bolden {id font} {
+ global canv linehtag currentid boldids need_redisplay markedid
+
+ # need_redisplay = 1 means the display is stale and about to be redrawn
+ if {$need_redisplay} return
+ lappend boldids $id
+ $canv itemconf $linehtag($id) -font $font
+ if {[info exists currentid] && $id eq $currentid} {
+ $canv delete secsel
+ set t [eval $canv create rect [$canv bbox $linehtag($id)] \
+ -outline {{}} -tags secsel \
+ -fill [$canv cget -selectbackground]]
+ $canv lower $t
+ }
+ if {[info exists markedid] && $id eq $markedid} {
+ make_idmark $id
+ }
+}
+
+proc bolden_name {id font} {
+ global canv2 linentag currentid boldnameids need_redisplay
+
+ if {$need_redisplay} return
+ lappend boldnameids $id
+ $canv2 itemconf $linentag($id) -font $font
+ if {[info exists currentid] && $id eq $currentid} {
+ $canv2 delete secsel
+ set t [eval $canv2 create rect [$canv2 bbox $linentag($id)] \
+ -outline {{}} -tags secsel \
+ -fill [$canv2 cget -selectbackground]]
+ $canv2 lower $t
+ }
+}
+
+proc unbolden {} {
+ global boldids
+
+ set stillbold {}
+ foreach id $boldids {
+ if {![ishighlighted $id]} {
+ bolden $id mainfont
+ } else {
+ lappend stillbold $id
+ }
+ }
+ set boldids $stillbold
+}
+
+proc addvhighlight {n} {
+ global hlview viewcomplete curview vhl_done commitidx
+
+ if {[info exists hlview]} {
+ delvhighlight
+ }
+ set hlview $n
+ if {$n != $curview && ![info exists viewcomplete($n)]} {
+ start_rev_list $n
+ }
+ set vhl_done $commitidx($hlview)
+ if {$vhl_done > 0} {
+ drawvisible
+ }
+}
+
+proc delvhighlight {} {
+ global hlview vhighlights
+
+ if {![info exists hlview]} return
+ unset hlview
+ catch {unset vhighlights}
+ unbolden
+}
+
+proc vhighlightmore {} {
+ global hlview vhl_done commitidx vhighlights curview
+
+ set max $commitidx($hlview)
+ set vr [visiblerows]
+ set r0 [lindex $vr 0]
+ set r1 [lindex $vr 1]
+ for {set i $vhl_done} {$i < $max} {incr i} {
+ set id [commitonrow $i $hlview]
+ if {[commitinview $id $curview]} {
+ set row [rowofcommit $id]
+ if {$r0 <= $row && $row <= $r1} {
+ if {![highlighted $row]} {
+ bolden $id mainfontbold
+ }
+ set vhighlights($id) 1
+ }
+ }
+ }
+ set vhl_done $max
+ return 0
+}
+
+proc askvhighlight {row id} {
+ global hlview vhighlights iddrawn
+
+ if {[commitinview $id $hlview]} {
+ if {[info exists iddrawn($id)] && ![ishighlighted $id]} {
+ bolden $id mainfontbold
+ }
+ set vhighlights($id) 1
+ } else {
+ set vhighlights($id) 0
+ }
+}
+
+proc hfiles_change {} {
+ global highlight_files filehighlight fhighlights fh_serial
+ global highlight_paths
+
+ if {[info exists filehighlight]} {
+ # delete previous highlights
+ catch {close $filehighlight}
+ unset filehighlight
+ catch {unset fhighlights}
+ unbolden
+ unhighlight_filelist
+ }
+ set highlight_paths {}
+ after cancel do_file_hl $fh_serial
+ incr fh_serial
+ if {$highlight_files ne {}} {
+ after 300 do_file_hl $fh_serial
+ }
+}
+
+proc gdttype_change {name ix op} {
+ global gdttype highlight_files findstring findpattern
+
+ stopfinding
+ if {$findstring ne {}} {
+ if {$gdttype eq [mc "containing:"]} {
+ if {$highlight_files ne {}} {
+ set highlight_files {}
+ hfiles_change
+ }
+ findcom_change
+ } else {
+ if {$findpattern ne {}} {
+ set findpattern {}
+ findcom_change
+ }
+ set highlight_files $findstring
+ hfiles_change
+ }
+ drawvisible
+ }
+ # enable/disable findtype/findloc menus too
+}
+
+proc find_change {name ix op} {
+ global gdttype findstring highlight_files
+
+ stopfinding
+ if {$gdttype eq [mc "containing:"]} {
+ findcom_change
+ } else {
+ if {$highlight_files ne $findstring} {
+ set highlight_files $findstring
+ hfiles_change
+ }
+ }
+ drawvisible
+}
+
+proc findcom_change args {
+ global nhighlights boldnameids
+ global findpattern findtype findstring gdttype
+
+ stopfinding
+ # delete previous highlights, if any
+ foreach id $boldnameids {
+ bolden_name $id mainfont
+ }
+ set boldnameids {}
+ catch {unset nhighlights}
+ unbolden
+ unmarkmatches
+ if {$gdttype ne [mc "containing:"] || $findstring eq {}} {
+ set findpattern {}
+ } elseif {$findtype eq [mc "Regexp"]} {
+ set findpattern $findstring
+ } else {
+ set e [string map {"*" "\\*" "?" "\\?" "\[" "\\\[" "\\" "\\\\"} \
+ $findstring]
+ set findpattern "*$e*"
+ }
+}
+
+proc makepatterns {l} {
+ set ret {}
+ foreach e $l {
+ set ee [string map {"*" "\\*" "?" "\\?" "\[" "\\\[" "\\" "\\\\"} $e]
+ if {[string index $ee end] eq "/"} {
+ lappend ret "$ee*"
+ } else {
+ lappend ret $ee
+ lappend ret "$ee/*"
+ }
+ }
+ return $ret
+}
+
+proc do_file_hl {serial} {
+ global highlight_files filehighlight highlight_paths gdttype fhl_list
+
+ if {$gdttype eq [mc "touching paths:"]} {
+ if {[catch {set paths [shellsplit $highlight_files]}]} return
+ set highlight_paths [makepatterns $paths]
+ highlight_filelist
+ set gdtargs [concat -- $paths]
+ } elseif {$gdttype eq [mc "adding/removing string:"]} {
+ set gdtargs [list "-S$highlight_files"]
+ } else {
+ # must be "containing:", i.e. we're searching commit info
+ return
+ }
+ set cmd [concat | git diff-tree -r -s --stdin $gdtargs]
+ set filehighlight [open $cmd r+]
+ fconfigure $filehighlight -blocking 0
+ filerun $filehighlight readfhighlight
+ set fhl_list {}
+ drawvisible
+ flushhighlights
+}
+
+proc flushhighlights {} {
+ global filehighlight fhl_list
+
+ if {[info exists filehighlight]} {
+ lappend fhl_list {}
+ puts $filehighlight ""
+ flush $filehighlight
+ }
+}
+
+proc askfilehighlight {row id} {
+ global filehighlight fhighlights fhl_list
+
+ lappend fhl_list $id
+ set fhighlights($id) -1
+ puts $filehighlight $id
+}
+
+proc readfhighlight {} {
+ global filehighlight fhighlights curview iddrawn
+ global fhl_list find_dirn
+
+ if {![info exists filehighlight]} {
+ return 0
+ }
+ set nr 0
+ while {[incr nr] <= 100 && [gets $filehighlight line] >= 0} {
+ set line [string trim $line]
+ set i [lsearch -exact $fhl_list $line]
+ if {$i < 0} continue
+ for {set j 0} {$j < $i} {incr j} {
+ set id [lindex $fhl_list $j]
+ set fhighlights($id) 0
+ }
+ set fhl_list [lrange $fhl_list [expr {$i+1}] end]
+ if {$line eq {}} continue
+ if {![commitinview $line $curview]} continue
+ if {[info exists iddrawn($line)] && ![ishighlighted $line]} {
+ bolden $line mainfontbold
+ }
+ set fhighlights($line) 1
+ }
+ if {[eof $filehighlight]} {
+ # strange...
+ puts "oops, git diff-tree died"
+ catch {close $filehighlight}
+ unset filehighlight
+ return 0
+ }
+ if {[info exists find_dirn]} {
+ run findmore
+ }
+ return 1
+}
+
+proc doesmatch {f} {
+ global findtype findpattern
+
+ if {$findtype eq [mc "Regexp"]} {
+ return [regexp $findpattern $f]
+ } elseif {$findtype eq [mc "IgnCase"]} {
+ return [string match -nocase $findpattern $f]
+ } else {
+ return [string match $findpattern $f]
+ }
+}
+
+proc askfindhighlight {row id} {
+ global nhighlights commitinfo iddrawn
+ global findloc
+ global markingmatches
+
+ if {![info exists commitinfo($id)]} {
+ getcommit $id
+ }
+ set info $commitinfo($id)
+ set isbold 0
+ set fldtypes [list [mc Headline] [mc Author] [mc Date] [mc Committer] [mc CDate] [mc Comments]]
+ foreach f $info ty $fldtypes {
+ if {($findloc eq [mc "All fields"] || $findloc eq $ty) &&
+ [doesmatch $f]} {
+ if {$ty eq [mc "Author"]} {
+ set isbold 2
+ break
+ }
+ set isbold 1
+ }
+ }
+ if {$isbold && [info exists iddrawn($id)]} {
+ if {![ishighlighted $id]} {
+ bolden $id mainfontbold
+ if {$isbold > 1} {
+ bolden_name $id mainfontbold
+ }
+ }
+ if {$markingmatches} {
+ markrowmatches $row $id
+ }
+ }
+ set nhighlights($id) $isbold
+}
+
+proc markrowmatches {row id} {
+ global canv canv2 linehtag linentag commitinfo findloc
+
+ set headline [lindex $commitinfo($id) 0]
+ set author [lindex $commitinfo($id) 1]
+ $canv delete match$row
+ $canv2 delete match$row
+ if {$findloc eq [mc "All fields"] || $findloc eq [mc "Headline"]} {
+ set m [findmatches $headline]
+ if {$m ne {}} {
+ markmatches $canv $row $headline $linehtag($id) $m \
+ [$canv itemcget $linehtag($id) -font] $row
+ }
+ }
+ if {$findloc eq [mc "All fields"] || $findloc eq [mc "Author"]} {
+ set m [findmatches $author]
+ if {$m ne {}} {
+ markmatches $canv2 $row $author $linentag($id) $m \
+ [$canv2 itemcget $linentag($id) -font] $row
+ }
+ }
+}
+
+proc vrel_change {name ix op} {
+ global highlight_related
+
+ rhighlight_none
+ if {$highlight_related ne [mc "None"]} {
+ run drawvisible
+ }
+}
+
+# prepare for testing whether commits are descendents or ancestors of a
+proc rhighlight_sel {a} {
+ global descendent desc_todo ancestor anc_todo
+ global highlight_related
+
+ catch {unset descendent}
+ set desc_todo [list $a]
+ catch {unset ancestor}
+ set anc_todo [list $a]
+ if {$highlight_related ne [mc "None"]} {
+ rhighlight_none
+ run drawvisible
+ }
+}
+
+proc rhighlight_none {} {
+ global rhighlights
+
+ catch {unset rhighlights}
+ unbolden
+}
+
+proc is_descendent {a} {
+ global curview children descendent desc_todo
+
+ set v $curview
+ set la [rowofcommit $a]
+ set todo $desc_todo
+ set leftover {}
+ set done 0
+ for {set i 0} {$i < [llength $todo]} {incr i} {
+ set do [lindex $todo $i]
+ if {[rowofcommit $do] < $la} {
+ lappend leftover $do
+ continue
+ }
+ foreach nk $children($v,$do) {
+ if {![info exists descendent($nk)]} {
+ set descendent($nk) 1
+ lappend todo $nk
+ if {$nk eq $a} {
+ set done 1
+ }
+ }
+ }
+ if {$done} {
+ set desc_todo [concat $leftover [lrange $todo [expr {$i+1}] end]]
+ return
+ }
+ }
+ set descendent($a) 0
+ set desc_todo $leftover
+}
+
+proc is_ancestor {a} {
+ global curview parents ancestor anc_todo
+
+ set v $curview
+ set la [rowofcommit $a]
+ set todo $anc_todo
+ set leftover {}
+ set done 0
+ for {set i 0} {$i < [llength $todo]} {incr i} {
+ set do [lindex $todo $i]
+ if {![commitinview $do $v] || [rowofcommit $do] > $la} {
+ lappend leftover $do
+ continue
+ }
+ foreach np $parents($v,$do) {
+ if {![info exists ancestor($np)]} {
+ set ancestor($np) 1
+ lappend todo $np
+ if {$np eq $a} {
+ set done 1
+ }
+ }
+ }
+ if {$done} {
+ set anc_todo [concat $leftover [lrange $todo [expr {$i+1}] end]]
+ return
+ }
+ }
+ set ancestor($a) 0
+ set anc_todo $leftover
+}
+
+proc askrelhighlight {row id} {
+ global descendent highlight_related iddrawn rhighlights
+ global selectedline ancestor
+
+ if {$selectedline eq {}} return
+ set isbold 0
+ if {$highlight_related eq [mc "Descendant"] ||
+ $highlight_related eq [mc "Not descendant"]} {
+ if {![info exists descendent($id)]} {
+ is_descendent $id
+ }
+ if {$descendent($id) == ($highlight_related eq [mc "Descendant"])} {
+ set isbold 1
+ }
+ } elseif {$highlight_related eq [mc "Ancestor"] ||
+ $highlight_related eq [mc "Not ancestor"]} {
+ if {![info exists ancestor($id)]} {
+ is_ancestor $id
+ }
+ if {$ancestor($id) == ($highlight_related eq [mc "Ancestor"])} {
+ set isbold 1
+ }
+ }
+ if {[info exists iddrawn($id)]} {
+ if {$isbold && ![ishighlighted $id]} {
+ bolden $id mainfontbold
+ }
+ }
+ set rhighlights($id) $isbold
+}
+
+# Graph layout functions
+
+proc shortids {ids} {
+ set res {}
+ foreach id $ids {
+ if {[llength $id] > 1} {
+ lappend res [shortids $id]
+ } elseif {[regexp {^[0-9a-f]{40}$} $id]} {
+ lappend res [string range $id 0 7]
+ } else {
+ lappend res $id
+ }
+ }
+ return $res
+}
+
+proc ntimes {n o} {
+ set ret {}
+ set o [list $o]
+ for {set mask 1} {$mask <= $n} {incr mask $mask} {
+ if {($n & $mask) != 0} {
+ set ret [concat $ret $o]
+ }
+ set o [concat $o $o]
+ }
+ return $ret
+}
+
+proc ordertoken {id} {
+ global ordertok curview varcid varcstart varctok curview parents children
+ global nullid nullid2
+
+ if {[info exists ordertok($id)]} {
+ return $ordertok($id)
+ }
+ set origid $id
+ set todo {}
+ while {1} {
+ if {[info exists varcid($curview,$id)]} {
+ set a $varcid($curview,$id)
+ set p [lindex $varcstart($curview) $a]
+ } else {
+ set p [lindex $children($curview,$id) 0]
+ }
+ if {[info exists ordertok($p)]} {
+ set tok $ordertok($p)
+ break
+ }
+ set id [first_real_child $curview,$p]
+ if {$id eq {}} {
+ # it's a root
+ set tok [lindex $varctok($curview) $varcid($curview,$p)]
+ break
+ }
+ if {[llength $parents($curview,$id)] == 1} {
+ lappend todo [list $p {}]
+ } else {
+ set j [lsearch -exact $parents($curview,$id) $p]
+ if {$j < 0} {
+ puts "oops didn't find [shortids $p] in parents of [shortids $id]"
+ }
+ lappend todo [list $p [strrep $j]]
+ }
+ }
+ for {set i [llength $todo]} {[incr i -1] >= 0} {} {
+ set p [lindex $todo $i 0]
+ append tok [lindex $todo $i 1]
+ set ordertok($p) $tok
+ }
+ set ordertok($origid) $tok
+ return $tok
+}
+
+# Work out where id should go in idlist so that order-token
+# values increase from left to right
+proc idcol {idlist id {i 0}} {
+ set t [ordertoken $id]
+ if {$i < 0} {
+ set i 0
+ }
+ if {$i >= [llength $idlist] || $t < [ordertoken [lindex $idlist $i]]} {
+ if {$i > [llength $idlist]} {
+ set i [llength $idlist]
+ }
+ while {[incr i -1] >= 0 && $t < [ordertoken [lindex $idlist $i]]} {}
+ incr i
+ } else {
+ if {$t > [ordertoken [lindex $idlist $i]]} {
+ while {[incr i] < [llength $idlist] &&
+ $t >= [ordertoken [lindex $idlist $i]]} {}
+ }
+ }
+ return $i
+}
+
+proc initlayout {} {
+ global rowidlist rowisopt rowfinal displayorder parentlist
+ global numcommits canvxmax canv
+ global nextcolor
+ global colormap rowtextx
+
+ set numcommits 0
+ set displayorder {}
+ set parentlist {}
+ set nextcolor 0
+ set rowidlist {}
+ set rowisopt {}
+ set rowfinal {}
+ set canvxmax [$canv cget -width]
+ catch {unset colormap}
+ catch {unset rowtextx}
+ setcanvscroll
+}
+
+proc setcanvscroll {} {
+ global canv canv2 canv3 numcommits linespc canvxmax canvy0
+ global lastscrollset lastscrollrows
+
+ set ymax [expr {$canvy0 + ($numcommits - 0.5) * $linespc + 2}]
+ $canv conf -scrollregion [list 0 0 $canvxmax $ymax]
+ $canv2 conf -scrollregion [list 0 0 0 $ymax]
+ $canv3 conf -scrollregion [list 0 0 0 $ymax]
+ set lastscrollset [clock clicks -milliseconds]
+ set lastscrollrows $numcommits
+}
+
+proc visiblerows {} {
+ global canv numcommits linespc
+
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax eq {} || $ymax == 0} return
+ set f [$canv yview]
+ set y0 [expr {int([lindex $f 0] * $ymax)}]
+ set r0 [expr {int(($y0 - 3) / $linespc) - 1}]
+ if {$r0 < 0} {
+ set r0 0
+ }
+ set y1 [expr {int([lindex $f 1] * $ymax)}]
+ set r1 [expr {int(($y1 - 3) / $linespc) + 1}]
+ if {$r1 >= $numcommits} {
+ set r1 [expr {$numcommits - 1}]
+ }
+ return [list $r0 $r1]
+}
+
+proc layoutmore {} {
+ global commitidx viewcomplete curview
+ global numcommits pending_select curview
+ global lastscrollset lastscrollrows
+
+ if {$lastscrollrows < 100 || $viewcomplete($curview) ||
+ [clock clicks -milliseconds] - $lastscrollset > 500} {
+ setcanvscroll
+ }
+ if {[info exists pending_select] &&
+ [commitinview $pending_select $curview]} {
+ update
+ selectline [rowofcommit $pending_select] 1
+ }
+ drawvisible
+}
+
+# With path limiting, we mightn't get the actual HEAD commit,
+# so ask git rev-list what is the first ancestor of HEAD that
+# touches a file in the path limit.
+proc get_viewmainhead {view} {
+ global viewmainheadid vfilelimit viewinstances mainheadid
+
+ catch {
+ set rfd [open [concat | git rev-list -1 $mainheadid \
+ -- $vfilelimit($view)] r]
+ set j [reg_instance $rfd]
+ lappend viewinstances($view) $j
+ fconfigure $rfd -blocking 0
+ filerun $rfd [list getviewhead $rfd $j $view]
+ set viewmainheadid($curview) {}
+ }
+}
+
+# git rev-list should give us just 1 line to use as viewmainheadid($view)
+proc getviewhead {fd inst view} {
+ global viewmainheadid commfd curview viewinstances showlocalchanges
+
+ set id {}
+ if {[gets $fd line] < 0} {
+ if {![eof $fd]} {
+ return 1
+ }
+ } elseif {[string length $line] == 40 && [string is xdigit $line]} {
+ set id $line
+ }
+ set viewmainheadid($view) $id
+ close $fd
+ unset commfd($inst)
+ set i [lsearch -exact $viewinstances($view) $inst]
+ if {$i >= 0} {
+ set viewinstances($view) [lreplace $viewinstances($view) $i $i]
+ }
+ if {$showlocalchanges && $id ne {} && $view == $curview} {
+ doshowlocalchanges
+ }
+ return 0
+}
+
+proc doshowlocalchanges {} {
+ global curview viewmainheadid
+
+ if {$viewmainheadid($curview) eq {}} return
+ if {[commitinview $viewmainheadid($curview) $curview]} {
+ dodiffindex
+ } else {
+ interestedin $viewmainheadid($curview) dodiffindex
+ }
+}
+
+proc dohidelocalchanges {} {
+ global nullid nullid2 lserial curview
+
+ if {[commitinview $nullid $curview]} {
+ removefakerow $nullid
+ }
+ if {[commitinview $nullid2 $curview]} {
+ removefakerow $nullid2
+ }
+ incr lserial
+}
+
+# spawn off a process to do git diff-index --cached HEAD
+proc dodiffindex {} {
+ global lserial showlocalchanges vfilelimit curview
+ global isworktree
+
+ if {!$showlocalchanges || !$isworktree} return
+ incr lserial
+ set cmd "|git diff-index --cached HEAD"
+ if {$vfilelimit($curview) ne {}} {
+ set cmd [concat $cmd -- $vfilelimit($curview)]
+ }
+ set fd [open $cmd r]
+ fconfigure $fd -blocking 0
+ set i [reg_instance $fd]
+ filerun $fd [list readdiffindex $fd $lserial $i]
+}
+
+proc readdiffindex {fd serial inst} {
+ global viewmainheadid nullid nullid2 curview commitinfo commitdata lserial
+ global vfilelimit
+
+ set isdiff 1
+ if {[gets $fd line] < 0} {
+ if {![eof $fd]} {
+ return 1
+ }
+ set isdiff 0
+ }
+ # we only need to see one line and we don't really care what it says...
+ stop_instance $inst
+
+ if {$serial != $lserial} {
+ return 0
+ }
+
+ # now see if there are any local changes not checked in to the index
+ set cmd "|git diff-files"
+ if {$vfilelimit($curview) ne {}} {
+ set cmd [concat $cmd -- $vfilelimit($curview)]
+ }
+ set fd [open $cmd r]
+ fconfigure $fd -blocking 0
+ set i [reg_instance $fd]
+ filerun $fd [list readdifffiles $fd $serial $i]
+
+ if {$isdiff && ![commitinview $nullid2 $curview]} {
+ # add the line for the changes in the index to the graph
+ set hl [mc "Local changes checked in to index but not committed"]
+ set commitinfo($nullid2) [list $hl {} {} {} {} " $hl\n"]
+ set commitdata($nullid2) "\n $hl\n"
+ if {[commitinview $nullid $curview]} {
+ removefakerow $nullid
+ }
+ insertfakerow $nullid2 $viewmainheadid($curview)
+ } elseif {!$isdiff && [commitinview $nullid2 $curview]} {
+ if {[commitinview $nullid $curview]} {
+ removefakerow $nullid
+ }
+ removefakerow $nullid2
+ }
+ return 0
+}
+
+proc readdifffiles {fd serial inst} {
+ global viewmainheadid nullid nullid2 curview
+ global commitinfo commitdata lserial
+
+ set isdiff 1
+ if {[gets $fd line] < 0} {
+ if {![eof $fd]} {
+ return 1
+ }
+ set isdiff 0
+ }
+ # we only need to see one line and we don't really care what it says...
+ stop_instance $inst
+
+ if {$serial != $lserial} {
+ return 0
+ }
+
+ if {$isdiff && ![commitinview $nullid $curview]} {
+ # add the line for the local diff to the graph
+ set hl [mc "Local uncommitted changes, not checked in to index"]
+ set commitinfo($nullid) [list $hl {} {} {} {} " $hl\n"]
+ set commitdata($nullid) "\n $hl\n"
+ if {[commitinview $nullid2 $curview]} {
+ set p $nullid2
+ } else {
+ set p $viewmainheadid($curview)
+ }
+ insertfakerow $nullid $p
+ } elseif {!$isdiff && [commitinview $nullid $curview]} {
+ removefakerow $nullid
+ }
+ return 0
+}
+
+proc nextuse {id row} {
+ global curview children
+
+ if {[info exists children($curview,$id)]} {
+ foreach kid $children($curview,$id) {
+ if {![commitinview $kid $curview]} {
+ return -1
+ }
+ if {[rowofcommit $kid] > $row} {
+ return [rowofcommit $kid]
+ }
+ }
+ }
+ if {[commitinview $id $curview]} {
+ return [rowofcommit $id]
+ }
+ return -1
+}
+
+proc prevuse {id row} {
+ global curview children
+
+ set ret -1
+ if {[info exists children($curview,$id)]} {
+ foreach kid $children($curview,$id) {
+ if {![commitinview $kid $curview]} break
+ if {[rowofcommit $kid] < $row} {
+ set ret [rowofcommit $kid]
+ }
+ }
+ }
+ return $ret
+}
+
+proc make_idlist {row} {
+ global displayorder parentlist uparrowlen downarrowlen mingaplen
+ global commitidx curview children
+
+ set r [expr {$row - $mingaplen - $downarrowlen - 1}]
+ if {$r < 0} {
+ set r 0
+ }
+ set ra [expr {$row - $downarrowlen}]
+ if {$ra < 0} {
+ set ra 0
+ }
+ set rb [expr {$row + $uparrowlen}]
+ if {$rb > $commitidx($curview)} {
+ set rb $commitidx($curview)
+ }
+ make_disporder $r [expr {$rb + 1}]
+ set ids {}
+ for {} {$r < $ra} {incr r} {
+ set nextid [lindex $displayorder [expr {$r + 1}]]
+ foreach p [lindex $parentlist $r] {
+ if {$p eq $nextid} continue
+ set rn [nextuse $p $r]
+ if {$rn >= $row &&
+ $rn <= $r + $downarrowlen + $mingaplen + $uparrowlen} {
+ lappend ids [list [ordertoken $p] $p]
+ }
+ }
+ }
+ for {} {$r < $row} {incr r} {
+ set nextid [lindex $displayorder [expr {$r + 1}]]
+ foreach p [lindex $parentlist $r] {
+ if {$p eq $nextid} continue
+ set rn [nextuse $p $r]
+ if {$rn < 0 || $rn >= $row} {
+ lappend ids [list [ordertoken $p] $p]
+ }
+ }
+ }
+ set id [lindex $displayorder $row]
+ lappend ids [list [ordertoken $id] $id]
+ while {$r < $rb} {
+ foreach p [lindex $parentlist $r] {
+ set firstkid [lindex $children($curview,$p) 0]
+ if {[rowofcommit $firstkid] < $row} {
+ lappend ids [list [ordertoken $p] $p]
+ }
+ }
+ incr r
+ set id [lindex $displayorder $r]
+ if {$id ne {}} {
+ set firstkid [lindex $children($curview,$id) 0]
+ if {$firstkid ne {} && [rowofcommit $firstkid] < $row} {
+ lappend ids [list [ordertoken $id] $id]
+ }
+ }
+ }
+ set idlist {}
+ foreach idx [lsort -unique $ids] {
+ lappend idlist [lindex $idx 1]
+ }
+ return $idlist
+}
+
+proc rowsequal {a b} {
+ while {[set i [lsearch -exact $a {}]] >= 0} {
+ set a [lreplace $a $i $i]
+ }
+ while {[set i [lsearch -exact $b {}]] >= 0} {
+ set b [lreplace $b $i $i]
+ }
+ return [expr {$a eq $b}]
+}
+
+proc makeupline {id row rend col} {
+ global rowidlist uparrowlen downarrowlen mingaplen
+
+ for {set r $rend} {1} {set r $rstart} {
+ set rstart [prevuse $id $r]
+ if {$rstart < 0} return
+ if {$rstart < $row} break
+ }
+ if {$rstart + $uparrowlen + $mingaplen + $downarrowlen < $rend} {
+ set rstart [expr {$rend - $uparrowlen - 1}]
+ }
+ for {set r $rstart} {[incr r] <= $row} {} {
+ set idlist [lindex $rowidlist $r]
+ if {$idlist ne {} && [lsearch -exact $idlist $id] < 0} {
+ set col [idcol $idlist $id $col]
+ lset rowidlist $r [linsert $idlist $col $id]
+ changedrow $r
+ }
+ }
+}
+
+proc layoutrows {row endrow} {
+ global rowidlist rowisopt rowfinal displayorder
+ global uparrowlen downarrowlen maxwidth mingaplen
+ global children parentlist
+ global commitidx viewcomplete curview
+
+ make_disporder [expr {$row - 1}] [expr {$endrow + $uparrowlen}]
+ set idlist {}
+ if {$row > 0} {
+ set rm1 [expr {$row - 1}]
+ foreach id [lindex $rowidlist $rm1] {
+ if {$id ne {}} {
+ lappend idlist $id
+ }
+ }
+ set final [lindex $rowfinal $rm1]
+ }
+ for {} {$row < $endrow} {incr row} {
+ set rm1 [expr {$row - 1}]
+ if {$rm1 < 0 || $idlist eq {}} {
+ set idlist [make_idlist $row]
+ set final 1
+ } else {
+ set id [lindex $displayorder $rm1]
+ set col [lsearch -exact $idlist $id]
+ set idlist [lreplace $idlist $col $col]
+ foreach p [lindex $parentlist $rm1] {
+ if {[lsearch -exact $idlist $p] < 0} {
+ set col [idcol $idlist $p $col]
+ set idlist [linsert $idlist $col $p]
+ # if not the first child, we have to insert a line going up
+ if {$id ne [lindex $children($curview,$p) 0]} {
+ makeupline $p $rm1 $row $col
+ }
+ }
+ }
+ set id [lindex $displayorder $row]
+ if {$row > $downarrowlen} {
+ set termrow [expr {$row - $downarrowlen - 1}]
+ foreach p [lindex $parentlist $termrow] {
+ set i [lsearch -exact $idlist $p]
+ if {$i < 0} continue
+ set nr [nextuse $p $termrow]
+ if {$nr < 0 || $nr >= $row + $mingaplen + $uparrowlen} {
+ set idlist [lreplace $idlist $i $i]
+ }
+ }
+ }
+ set col [lsearch -exact $idlist $id]
+ if {$col < 0} {
+ set col [idcol $idlist $id]
+ set idlist [linsert $idlist $col $id]
+ if {$children($curview,$id) ne {}} {
+ makeupline $id $rm1 $row $col
+ }
+ }
+ set r [expr {$row + $uparrowlen - 1}]
+ if {$r < $commitidx($curview)} {
+ set x $col
+ foreach p [lindex $parentlist $r] {
+ if {[lsearch -exact $idlist $p] >= 0} continue
+ set fk [lindex $children($curview,$p) 0]
+ if {[rowofcommit $fk] < $row} {
+ set x [idcol $idlist $p $x]
+ set idlist [linsert $idlist $x $p]
+ }
+ }
+ if {[incr r] < $commitidx($curview)} {
+ set p [lindex $displayorder $r]
+ if {[lsearch -exact $idlist $p] < 0} {
+ set fk [lindex $children($curview,$p) 0]
+ if {$fk ne {} && [rowofcommit $fk] < $row} {
+ set x [idcol $idlist $p $x]
+ set idlist [linsert $idlist $x $p]
+ }
+ }
+ }
+ }
+ }
+ if {$final && !$viewcomplete($curview) &&
+ $row + $uparrowlen + $mingaplen + $downarrowlen
+ >= $commitidx($curview)} {
+ set final 0
+ }
+ set l [llength $rowidlist]
+ if {$row == $l} {
+ lappend rowidlist $idlist
+ lappend rowisopt 0
+ lappend rowfinal $final
+ } elseif {$row < $l} {
+ if {![rowsequal $idlist [lindex $rowidlist $row]]} {
+ lset rowidlist $row $idlist
+ changedrow $row
+ }
+ lset rowfinal $row $final
+ } else {
+ set pad [ntimes [expr {$row - $l}] {}]
+ set rowidlist [concat $rowidlist $pad]
+ lappend rowidlist $idlist
+ set rowfinal [concat $rowfinal $pad]
+ lappend rowfinal $final
+ set rowisopt [concat $rowisopt [ntimes [expr {$row - $l + 1}] 0]]
+ }
+ }
+ return $row
+}
+
+proc changedrow {row} {
+ global displayorder iddrawn rowisopt need_redisplay
+
+ set l [llength $rowisopt]
+ if {$row < $l} {
+ lset rowisopt $row 0
+ if {$row + 1 < $l} {
+ lset rowisopt [expr {$row + 1}] 0
+ if {$row + 2 < $l} {
+ lset rowisopt [expr {$row + 2}] 0
+ }
+ }
+ }
+ set id [lindex $displayorder $row]
+ if {[info exists iddrawn($id)]} {
+ set need_redisplay 1
+ }
+}
+
+proc insert_pad {row col npad} {
+ global rowidlist
+
+ set pad [ntimes $npad {}]
+ set idlist [lindex $rowidlist $row]
+ set bef [lrange $idlist 0 [expr {$col - 1}]]
+ set aft [lrange $idlist $col end]
+ set i [lsearch -exact $aft {}]
+ if {$i > 0} {
+ set aft [lreplace $aft $i $i]
+ }
+ lset rowidlist $row [concat $bef $pad $aft]
+ changedrow $row
+}
+
+proc optimize_rows {row col endrow} {
+ global rowidlist rowisopt displayorder curview children
+
+ if {$row < 1} {
+ set row 1
+ }
+ for {} {$row < $endrow} {incr row; set col 0} {
+ if {[lindex $rowisopt $row]} continue
+ set haspad 0
+ set y0 [expr {$row - 1}]
+ set ym [expr {$row - 2}]
+ set idlist [lindex $rowidlist $row]
+ set previdlist [lindex $rowidlist $y0]
+ if {$idlist eq {} || $previdlist eq {}} continue
+ if {$ym >= 0} {
+ set pprevidlist [lindex $rowidlist $ym]
+ if {$pprevidlist eq {}} continue
+ } else {
+ set pprevidlist {}
+ }
+ set x0 -1
+ set xm -1
+ for {} {$col < [llength $idlist]} {incr col} {
+ set id [lindex $idlist $col]
+ if {[lindex $previdlist $col] eq $id} continue
+ if {$id eq {}} {
+ set haspad 1
+ continue
+ }
+ set x0 [lsearch -exact $previdlist $id]
+ if {$x0 < 0} continue
+ set z [expr {$x0 - $col}]
+ set isarrow 0
+ set z0 {}
+ if {$ym >= 0} {
+ set xm [lsearch -exact $pprevidlist $id]
+ if {$xm >= 0} {
+ set z0 [expr {$xm - $x0}]
+ }
+ }
+ if {$z0 eq {}} {
+ # if row y0 is the first child of $id then it's not an arrow
+ if {[lindex $children($curview,$id) 0] ne
+ [lindex $displayorder $y0]} {
+ set isarrow 1
+ }
+ }
+ if {!$isarrow && $id ne [lindex $displayorder $row] &&
+ [lsearch -exact [lindex $rowidlist [expr {$row+1}]] $id] < 0} {
+ set isarrow 1
+ }
+ # Looking at lines from this row to the previous row,
+ # make them go straight up if they end in an arrow on
+ # the previous row; otherwise make them go straight up
+ # or at 45 degrees.
+ if {$z < -1 || ($z < 0 && $isarrow)} {
+ # Line currently goes left too much;
+ # insert pads in the previous row, then optimize it
+ set npad [expr {-1 - $z + $isarrow}]
+ insert_pad $y0 $x0 $npad
+ if {$y0 > 0} {
+ optimize_rows $y0 $x0 $row
+ }
+ set previdlist [lindex $rowidlist $y0]
+ set x0 [lsearch -exact $previdlist $id]
+ set z [expr {$x0 - $col}]
+ if {$z0 ne {}} {
+ set pprevidlist [lindex $rowidlist $ym]
+ set xm [lsearch -exact $pprevidlist $id]
+ set z0 [expr {$xm - $x0}]
+ }
+ } elseif {$z > 1 || ($z > 0 && $isarrow)} {
+ # Line currently goes right too much;
+ # insert pads in this line
+ set npad [expr {$z - 1 + $isarrow}]
+ insert_pad $row $col $npad
+ set idlist [lindex $rowidlist $row]
+ incr col $npad
+ set z [expr {$x0 - $col}]
+ set haspad 1
+ }
+ if {$z0 eq {} && !$isarrow && $ym >= 0} {
+ # this line links to its first child on row $row-2
+ set id [lindex $displayorder $ym]
+ set xc [lsearch -exact $pprevidlist $id]
+ if {$xc >= 0} {
+ set z0 [expr {$xc - $x0}]
+ }
+ }
+ # avoid lines jigging left then immediately right
+ if {$z0 ne {} && $z < 0 && $z0 > 0} {
+ insert_pad $y0 $x0 1
+ incr x0
+ optimize_rows $y0 $x0 $row
+ set previdlist [lindex $rowidlist $y0]
+ }
+ }
+ if {!$haspad} {
+ # Find the first column that doesn't have a line going right
+ for {set col [llength $idlist]} {[incr col -1] >= 0} {} {
+ set id [lindex $idlist $col]
+ if {$id eq {}} break
+ set x0 [lsearch -exact $previdlist $id]
+ if {$x0 < 0} {
+ # check if this is the link to the first child
+ set kid [lindex $displayorder $y0]
+ if {[lindex $children($curview,$id) 0] eq $kid} {
+ # it is, work out offset to child
+ set x0 [lsearch -exact $previdlist $kid]
+ }
+ }
+ if {$x0 <= $col} break
+ }
+ # Insert a pad at that column as long as it has a line and
+ # isn't the last column
+ if {$x0 >= 0 && [incr col] < [llength $idlist]} {
+ set idlist [linsert $idlist $col {}]
+ lset rowidlist $row $idlist
+ changedrow $row
+ }
+ }
+ }
+}
+
+proc xc {row col} {
+ global canvx0 linespc
+ return [expr {$canvx0 + $col * $linespc}]
+}
+
+proc yc {row} {
+ global canvy0 linespc
+ return [expr {$canvy0 + $row * $linespc}]
+}
+
+proc linewidth {id} {
+ global thickerline lthickness
+
+ set wid $lthickness
+ if {[info exists thickerline] && $id eq $thickerline} {
+ set wid [expr {2 * $lthickness}]
+ }
+ return $wid
+}
+
+proc rowranges {id} {
+ global curview children uparrowlen downarrowlen
+ global rowidlist
+
+ set kids $children($curview,$id)
+ if {$kids eq {}} {
+ return {}
+ }
+ set ret {}
+ lappend kids $id
+ foreach child $kids {
+ if {![commitinview $child $curview]} break
+ set row [rowofcommit $child]
+ if {![info exists prev]} {
+ lappend ret [expr {$row + 1}]
+ } else {
+ if {$row <= $prevrow} {
+ puts "oops children of [shortids $id] out of order [shortids $child] $row <= [shortids $prev] $prevrow"
+ }
+ # see if the line extends the whole way from prevrow to row
+ if {$row > $prevrow + $uparrowlen + $downarrowlen &&
+ [lsearch -exact [lindex $rowidlist \
+ [expr {int(($row + $prevrow) / 2)}]] $id] < 0} {
+ # it doesn't, see where it ends
+ set r [expr {$prevrow + $downarrowlen}]
+ if {[lsearch -exact [lindex $rowidlist $r] $id] < 0} {
+ while {[incr r -1] > $prevrow &&
+ [lsearch -exact [lindex $rowidlist $r] $id] < 0} {}
+ } else {
+ while {[incr r] <= $row &&
+ [lsearch -exact [lindex $rowidlist $r] $id] >= 0} {}
+ incr r -1
+ }
+ lappend ret $r
+ # see where it starts up again
+ set r [expr {$row - $uparrowlen}]
+ if {[lsearch -exact [lindex $rowidlist $r] $id] < 0} {
+ while {[incr r] < $row &&
+ [lsearch -exact [lindex $rowidlist $r] $id] < 0} {}
+ } else {
+ while {[incr r -1] >= $prevrow &&
+ [lsearch -exact [lindex $rowidlist $r] $id] >= 0} {}
+ incr r
+ }
+ lappend ret $r
+ }
+ }
+ if {$child eq $id} {
+ lappend ret $row
+ }
+ set prev $child
+ set prevrow $row
+ }
+ return $ret
+}
+
+proc drawlineseg {id row endrow arrowlow} {
+ global rowidlist displayorder iddrawn linesegs
+ global canv colormap linespc curview maxlinelen parentlist
+
+ set cols [list [lsearch -exact [lindex $rowidlist $row] $id]]
+ set le [expr {$row + 1}]
+ set arrowhigh 1
+ while {1} {
+ set c [lsearch -exact [lindex $rowidlist $le] $id]
+ if {$c < 0} {
+ incr le -1
+ break
+ }
+ lappend cols $c
+ set x [lindex $displayorder $le]
+ if {$x eq $id} {
+ set arrowhigh 0
+ break
+ }
+ if {[info exists iddrawn($x)] || $le == $endrow} {
+ set c [lsearch -exact [lindex $rowidlist [expr {$le+1}]] $id]
+ if {$c >= 0} {
+ lappend cols $c
+ set arrowhigh 0
+ }
+ break
+ }
+ incr le
+ }
+ if {$le <= $row} {
+ return $row
+ }
+
+ set lines {}
+ set i 0
+ set joinhigh 0
+ if {[info exists linesegs($id)]} {
+ set lines $linesegs($id)
+ foreach li $lines {
+ set r0 [lindex $li 0]
+ if {$r0 > $row} {
+ if {$r0 == $le && [lindex $li 1] - $row <= $maxlinelen} {
+ set joinhigh 1
+ }
+ break
+ }
+ incr i
+ }
+ }
+ set joinlow 0
+ if {$i > 0} {
+ set li [lindex $lines [expr {$i-1}]]
+ set r1 [lindex $li 1]
+ if {$r1 == $row && $le - [lindex $li 0] <= $maxlinelen} {
+ set joinlow 1
+ }
+ }
+
+ set x [lindex $cols [expr {$le - $row}]]
+ set xp [lindex $cols [expr {$le - 1 - $row}]]
+ set dir [expr {$xp - $x}]
+ if {$joinhigh} {
+ set ith [lindex $lines $i 2]
+ set coords [$canv coords $ith]
+ set ah [$canv itemcget $ith -arrow]
+ set arrowhigh [expr {$ah eq "first" || $ah eq "both"}]
+ set x2 [lindex $cols [expr {$le + 1 - $row}]]
+ if {$x2 ne {} && $x - $x2 == $dir} {
+ set coords [lrange $coords 0 end-2]
+ }
+ } else {
+ set coords [list [xc $le $x] [yc $le]]
+ }
+ if {$joinlow} {
+ set itl [lindex $lines [expr {$i-1}] 2]
+ set al [$canv itemcget $itl -arrow]
+ set arrowlow [expr {$al eq "last" || $al eq "both"}]
+ } elseif {$arrowlow} {
+ if {[lsearch -exact [lindex $rowidlist [expr {$row-1}]] $id] >= 0 ||
+ [lsearch -exact [lindex $parentlist [expr {$row-1}]] $id] >= 0} {
+ set arrowlow 0
+ }
+ }
+ set arrow [lindex {none first last both} [expr {$arrowhigh + 2*$arrowlow}]]
+ for {set y $le} {[incr y -1] > $row} {} {
+ set x $xp
+ set xp [lindex $cols [expr {$y - 1 - $row}]]
+ set ndir [expr {$xp - $x}]
+ if {$dir != $ndir || $xp < 0} {
+ lappend coords [xc $y $x] [yc $y]
+ }
+ set dir $ndir
+ }
+ if {!$joinlow} {
+ if {$xp < 0} {
+ # join parent line to first child
+ set ch [lindex $displayorder $row]
+ set xc [lsearch -exact [lindex $rowidlist $row] $ch]
+ if {$xc < 0} {
+ puts "oops: drawlineseg: child $ch not on row $row"
+ } elseif {$xc != $x} {
+ if {($arrowhigh && $le == $row + 1) || $dir == 0} {
+ set d [expr {int(0.5 * $linespc)}]
+ set x1 [xc $row $x]
+ if {$xc < $x} {
+ set x2 [expr {$x1 - $d}]
+ } else {
+ set x2 [expr {$x1 + $d}]
+ }
+ set y2 [yc $row]
+ set y1 [expr {$y2 + $d}]
+ lappend coords $x1 $y1 $x2 $y2
+ } elseif {$xc < $x - 1} {
+ lappend coords [xc $row [expr {$x-1}]] [yc $row]
+ } elseif {$xc > $x + 1} {
+ lappend coords [xc $row [expr {$x+1}]] [yc $row]
+ }
+ set x $xc
+ }
+ lappend coords [xc $row $x] [yc $row]
+ } else {
+ set xn [xc $row $xp]
+ set yn [yc $row]
+ lappend coords $xn $yn
+ }
+ if {!$joinhigh} {
+ assigncolor $id
+ set t [$canv create line $coords -width [linewidth $id] \
+ -fill $colormap($id) -tags lines.$id -arrow $arrow]
+ $canv lower $t
+ bindline $t $id
+ set lines [linsert $lines $i [list $row $le $t]]
+ } else {
+ $canv coords $ith $coords
+ if {$arrow ne $ah} {
+ $canv itemconf $ith -arrow $arrow
+ }
+ lset lines $i 0 $row
+ }
+ } else {
+ set xo [lsearch -exact [lindex $rowidlist [expr {$row - 1}]] $id]
+ set ndir [expr {$xo - $xp}]
+ set clow [$canv coords $itl]
+ if {$dir == $ndir} {
+ set clow [lrange $clow 2 end]
+ }
+ set coords [concat $coords $clow]
+ if {!$joinhigh} {
+ lset lines [expr {$i-1}] 1 $le
+ } else {
+ # coalesce two pieces
+ $canv delete $ith
+ set b [lindex $lines [expr {$i-1}] 0]
+ set e [lindex $lines $i 1]
+ set lines [lreplace $lines [expr {$i-1}] $i [list $b $e $itl]]
+ }
+ $canv coords $itl $coords
+ if {$arrow ne $al} {
+ $canv itemconf $itl -arrow $arrow
+ }
+ }
+
+ set linesegs($id) $lines
+ return $le
+}
+
+proc drawparentlinks {id row} {
+ global rowidlist canv colormap curview parentlist
+ global idpos linespc
+
+ set rowids [lindex $rowidlist $row]
+ set col [lsearch -exact $rowids $id]
+ if {$col < 0} return
+ set olds [lindex $parentlist $row]
+ set row2 [expr {$row + 1}]
+ set x [xc $row $col]
+ set y [yc $row]
+ set y2 [yc $row2]
+ set d [expr {int(0.5 * $linespc)}]
+ set ymid [expr {$y + $d}]
+ set ids [lindex $rowidlist $row2]
+ # rmx = right-most X coord used
+ set rmx 0
+ foreach p $olds {
+ set i [lsearch -exact $ids $p]
+ if {$i < 0} {
+ puts "oops, parent $p of $id not in list"
+ continue
+ }
+ set x2 [xc $row2 $i]
+ if {$x2 > $rmx} {
+ set rmx $x2
+ }
+ set j [lsearch -exact $rowids $p]
+ if {$j < 0} {
+ # drawlineseg will do this one for us
+ continue
+ }
+ assigncolor $p
+ # should handle duplicated parents here...
+ set coords [list $x $y]
+ if {$i != $col} {
+ # if attaching to a vertical segment, draw a smaller
+ # slant for visual distinctness
+ if {$i == $j} {
+ if {$i < $col} {
+ lappend coords [expr {$x2 + $d}] $y $x2 $ymid
+ } else {
+ lappend coords [expr {$x2 - $d}] $y $x2 $ymid
+ }
+ } elseif {$i < $col && $i < $j} {
+ # segment slants towards us already
+ lappend coords [xc $row $j] $y
+ } else {
+ if {$i < $col - 1} {
+ lappend coords [expr {$x2 + $linespc}] $y
+ } elseif {$i > $col + 1} {
+ lappend coords [expr {$x2 - $linespc}] $y
+ }
+ lappend coords $x2 $y2
+ }
+ } else {
+ lappend coords $x2 $y2
+ }
+ set t [$canv create line $coords -width [linewidth $p] \
+ -fill $colormap($p) -tags lines.$p]
+ $canv lower $t
+ bindline $t $p
+ }
+ if {$rmx > [lindex $idpos($id) 1]} {
+ lset idpos($id) 1 $rmx
+ redrawtags $id
+ }
+}
+
+proc drawlines {id} {
+ global canv
+
+ $canv itemconf lines.$id -width [linewidth $id]
+}
+
+proc drawcmittext {id row col} {
+ global linespc canv canv2 canv3 fgcolor curview
+ global cmitlisted commitinfo rowidlist parentlist
+ global rowtextx idpos idtags idheads idotherrefs
+ global linehtag linentag linedtag selectedline
+ global canvxmax boldids boldnameids fgcolor markedid
+ global mainheadid nullid nullid2 circleitem circlecolors ctxbut
+
+ # listed is 0 for boundary, 1 for normal, 2 for negative, 3 for left, 4 for right
+ set listed $cmitlisted($curview,$id)
+ if {$id eq $nullid} {
+ set ofill red
+ } elseif {$id eq $nullid2} {
+ set ofill green
+ } elseif {$id eq $mainheadid} {
+ set ofill yellow
+ } else {
+ set ofill [lindex $circlecolors $listed]
+ }
+ set x [xc $row $col]
+ set y [yc $row]
+ set orad [expr {$linespc / 3}]
+ if {$listed <= 2} {
+ set t [$canv create oval [expr {$x - $orad}] [expr {$y - $orad}] \
+ [expr {$x + $orad - 1}] [expr {$y + $orad - 1}] \
+ -fill $ofill -outline $fgcolor -width 1 -tags circle]
+ } elseif {$listed == 3} {
+ # triangle pointing left for left-side commits
+ set t [$canv create polygon \
+ [expr {$x - $orad}] $y \
+ [expr {$x + $orad - 1}] [expr {$y - $orad}] \
+ [expr {$x + $orad - 1}] [expr {$y + $orad - 1}] \
+ -fill $ofill -outline $fgcolor -width 1 -tags circle]
+ } else {
+ # triangle pointing right for right-side commits
+ set t [$canv create polygon \
+ [expr {$x + $orad - 1}] $y \
+ [expr {$x - $orad}] [expr {$y - $orad}] \
+ [expr {$x - $orad}] [expr {$y + $orad - 1}] \
+ -fill $ofill -outline $fgcolor -width 1 -tags circle]
+ }
+ set circleitem($row) $t
+ $canv raise $t
+ $canv bind $t <1> {selcanvline {} %x %y}
+ set rmx [llength [lindex $rowidlist $row]]
+ set olds [lindex $parentlist $row]
+ if {$olds ne {}} {
+ set nextids [lindex $rowidlist [expr {$row + 1}]]
+ foreach p $olds {
+ set i [lsearch -exact $nextids $p]
+ if {$i > $rmx} {
+ set rmx $i
+ }
+ }
+ }
+ set xt [xc $row $rmx]
+ set rowtextx($row) $xt
+ set idpos($id) [list $x $xt $y]
+ if {[info exists idtags($id)] || [info exists idheads($id)]
+ || [info exists idotherrefs($id)]} {
+ set xt [drawtags $id $x $xt $y]
+ }
+ set headline [lindex $commitinfo($id) 0]
+ set name [lindex $commitinfo($id) 1]
+ set date [lindex $commitinfo($id) 2]
+ set date [formatdate $date]
+ set font mainfont
+ set nfont mainfont
+ set isbold [ishighlighted $id]
+ if {$isbold > 0} {
+ lappend boldids $id
+ set font mainfontbold
+ if {$isbold > 1} {
+ lappend boldnameids $id
+ set nfont mainfontbold
+ }
+ }
+ set linehtag($id) [$canv create text $xt $y -anchor w -fill $fgcolor \
+ -text $headline -font $font -tags text]
+ $canv bind $linehtag($id) $ctxbut "rowmenu %X %Y $id"
+ set linentag($id) [$canv2 create text 3 $y -anchor w -fill $fgcolor \
+ -text $name -font $nfont -tags text]
+ set linedtag($id) [$canv3 create text 3 $y -anchor w -fill $fgcolor \
+ -text $date -font mainfont -tags text]
+ if {$selectedline == $row} {
+ make_secsel $id
+ }
+ if {[info exists markedid] && $markedid eq $id} {
+ make_idmark $id
+ }
+ set xr [expr {$xt + [font measure $font $headline]}]
+ if {$xr > $canvxmax} {
+ set canvxmax $xr
+ setcanvscroll
+ }
+}
+
+proc drawcmitrow {row} {
+ global displayorder rowidlist nrows_drawn
+ global iddrawn markingmatches
+ global commitinfo numcommits
+ global filehighlight fhighlights findpattern nhighlights
+ global hlview vhighlights
+ global highlight_related rhighlights
+
+ if {$row >= $numcommits} return
+
+ set id [lindex $displayorder $row]
+ if {[info exists hlview] && ![info exists vhighlights($id)]} {
+ askvhighlight $row $id
+ }
+ if {[info exists filehighlight] && ![info exists fhighlights($id)]} {
+ askfilehighlight $row $id
+ }
+ if {$findpattern ne {} && ![info exists nhighlights($id)]} {
+ askfindhighlight $row $id
+ }
+ if {$highlight_related ne [mc "None"] && ![info exists rhighlights($id)]} {
+ askrelhighlight $row $id
+ }
+ if {![info exists iddrawn($id)]} {
+ set col [lsearch -exact [lindex $rowidlist $row] $id]
+ if {$col < 0} {
+ puts "oops, row $row id $id not in list"
+ return
+ }
+ if {![info exists commitinfo($id)]} {
+ getcommit $id
+ }
+ assigncolor $id
+ drawcmittext $id $row $col
+ set iddrawn($id) 1
+ incr nrows_drawn
+ }
+ if {$markingmatches} {
+ markrowmatches $row $id
+ }
+}
+
+proc drawcommits {row {endrow {}}} {
+ global numcommits iddrawn displayorder curview need_redisplay
+ global parentlist rowidlist rowfinal uparrowlen downarrowlen nrows_drawn
+
+ if {$row < 0} {
+ set row 0
+ }
+ if {$endrow eq {}} {
+ set endrow $row
+ }
+ if {$endrow >= $numcommits} {
+ set endrow [expr {$numcommits - 1}]
+ }
+
+ set rl1 [expr {$row - $downarrowlen - 3}]
+ if {$rl1 < 0} {
+ set rl1 0
+ }
+ set ro1 [expr {$row - 3}]
+ if {$ro1 < 0} {
+ set ro1 0
+ }
+ set r2 [expr {$endrow + $uparrowlen + 3}]
+ if {$r2 > $numcommits} {
+ set r2 $numcommits
+ }
+ for {set r $rl1} {$r < $r2} {incr r} {
+ if {[lindex $rowidlist $r] ne {} && [lindex $rowfinal $r]} {
+ if {$rl1 < $r} {
+ layoutrows $rl1 $r
+ }
+ set rl1 [expr {$r + 1}]
+ }
+ }
+ if {$rl1 < $r} {
+ layoutrows $rl1 $r
+ }
+ optimize_rows $ro1 0 $r2
+ if {$need_redisplay || $nrows_drawn > 2000} {
+ clear_display
+ }
+
+ # make the lines join to already-drawn rows either side
+ set r [expr {$row - 1}]
+ if {$r < 0 || ![info exists iddrawn([lindex $displayorder $r])]} {
+ set r $row
+ }
+ set er [expr {$endrow + 1}]
+ if {$er >= $numcommits ||
+ ![info exists iddrawn([lindex $displayorder $er])]} {
+ set er $endrow
+ }
+ for {} {$r <= $er} {incr r} {
+ set id [lindex $displayorder $r]
+ set wasdrawn [info exists iddrawn($id)]
+ drawcmitrow $r
+ if {$r == $er} break
+ set nextid [lindex $displayorder [expr {$r + 1}]]
+ if {$wasdrawn && [info exists iddrawn($nextid)]} continue
+ drawparentlinks $id $r
+
+ set rowids [lindex $rowidlist $r]
+ foreach lid $rowids {
+ if {$lid eq {}} continue
+ if {[info exists lineend($lid)] && $lineend($lid) > $r} continue
+ if {$lid eq $id} {
+ # see if this is the first child of any of its parents
+ foreach p [lindex $parentlist $r] {
+ if {[lsearch -exact $rowids $p] < 0} {
+ # make this line extend up to the child
+ set lineend($p) [drawlineseg $p $r $er 0]
+ }
+ }
+ } else {
+ set lineend($lid) [drawlineseg $lid $r $er 1]
+ }
+ }
+ }
+}
+
+proc undolayout {row} {
+ global uparrowlen mingaplen downarrowlen
+ global rowidlist rowisopt rowfinal need_redisplay
+
+ set r [expr {$row - ($uparrowlen + $mingaplen + $downarrowlen)}]
+ if {$r < 0} {
+ set r 0
+ }
+ if {[llength $rowidlist] > $r} {
+ incr r -1
+ set rowidlist [lrange $rowidlist 0 $r]
+ set rowfinal [lrange $rowfinal 0 $r]
+ set rowisopt [lrange $rowisopt 0 $r]
+ set need_redisplay 1
+ run drawvisible
+ }
+}
+
+proc drawvisible {} {
+ global canv linespc curview vrowmod selectedline targetrow targetid
+ global need_redisplay cscroll numcommits
+
+ set fs [$canv yview]
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax eq {} || $ymax == 0 || $numcommits == 0} return
+ set f0 [lindex $fs 0]
+ set f1 [lindex $fs 1]
+ set y0 [expr {int($f0 * $ymax)}]
+ set y1 [expr {int($f1 * $ymax)}]
+
+ if {[info exists targetid]} {
+ if {[commitinview $targetid $curview]} {
+ set r [rowofcommit $targetid]
+ if {$r != $targetrow} {
+ # Fix up the scrollregion and change the scrolling position
+ # now that our target row has moved.
+ set diff [expr {($r - $targetrow) * $linespc}]
+ set targetrow $r
+ setcanvscroll
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ incr y0 $diff
+ incr y1 $diff
+ set f0 [expr {$y0 / $ymax}]
+ set f1 [expr {$y1 / $ymax}]
+ allcanvs yview moveto $f0
+ $cscroll set $f0 $f1
+ set need_redisplay 1
+ }
+ } else {
+ unset targetid
+ }
+ }
+
+ set row [expr {int(($y0 - 3) / $linespc) - 1}]
+ set endrow [expr {int(($y1 - 3) / $linespc) + 1}]
+ if {$endrow >= $vrowmod($curview)} {
+ update_arcrows $curview
+ }
+ if {$selectedline ne {} &&
+ $row <= $selectedline && $selectedline <= $endrow} {
+ set targetrow $selectedline
+ } elseif {[info exists targetid]} {
+ set targetrow [expr {int(($row + $endrow) / 2)}]
+ }
+ if {[info exists targetrow]} {
+ if {$targetrow >= $numcommits} {
+ set targetrow [expr {$numcommits - 1}]
+ }
+ set targetid [commitonrow $targetrow]
+ }
+ drawcommits $row $endrow
+}
+
+proc clear_display {} {
+ global iddrawn linesegs need_redisplay nrows_drawn
+ global vhighlights fhighlights nhighlights rhighlights
+ global linehtag linentag linedtag boldids boldnameids
+
+ allcanvs delete all
+ catch {unset iddrawn}
+ catch {unset linesegs}
+ catch {unset linehtag}
+ catch {unset linentag}
+ catch {unset linedtag}
+ set boldids {}
+ set boldnameids {}
+ catch {unset vhighlights}
+ catch {unset fhighlights}
+ catch {unset nhighlights}
+ catch {unset rhighlights}
+ set need_redisplay 0
+ set nrows_drawn 0
+}
+
+proc findcrossings {id} {
+ global rowidlist parentlist numcommits displayorder
+
+ set cross {}
+ set ccross {}
+ foreach {s e} [rowranges $id] {
+ if {$e >= $numcommits} {
+ set e [expr {$numcommits - 1}]
+ }
+ if {$e <= $s} continue
+ for {set row $e} {[incr row -1] >= $s} {} {
+ set x [lsearch -exact [lindex $rowidlist $row] $id]
+ if {$x < 0} break
+ set olds [lindex $parentlist $row]
+ set kid [lindex $displayorder $row]
+ set kidx [lsearch -exact [lindex $rowidlist $row] $kid]
+ if {$kidx < 0} continue
+ set nextrow [lindex $rowidlist [expr {$row + 1}]]
+ foreach p $olds {
+ set px [lsearch -exact $nextrow $p]
+ if {$px < 0} continue
+ if {($kidx < $x && $x < $px) || ($px < $x && $x < $kidx)} {
+ if {[lsearch -exact $ccross $p] >= 0} continue
+ if {$x == $px + ($kidx < $px? -1: 1)} {
+ lappend ccross $p
+ } elseif {[lsearch -exact $cross $p] < 0} {
+ lappend cross $p
+ }
+ }
+ }
+ }
+ }
+ return [concat $ccross {{}} $cross]
+}
+
+proc assigncolor {id} {
+ global colormap colors nextcolor
+ global parents children children curview
+
+ if {[info exists colormap($id)]} return
+ set ncolors [llength $colors]
+ if {[info exists children($curview,$id)]} {
+ set kids $children($curview,$id)
+ } else {
+ set kids {}
+ }
+ if {[llength $kids] == 1} {
+ set child [lindex $kids 0]
+ if {[info exists colormap($child)]
+ && [llength $parents($curview,$child)] == 1} {
+ set colormap($id) $colormap($child)
+ return
+ }
+ }
+ set badcolors {}
+ set origbad {}
+ foreach x [findcrossings $id] {
+ if {$x eq {}} {
+ # delimiter between corner crossings and other crossings
+ if {[llength $badcolors] >= $ncolors - 1} break
+ set origbad $badcolors
+ }
+ if {[info exists colormap($x)]
+ && [lsearch -exact $badcolors $colormap($x)] < 0} {
+ lappend badcolors $colormap($x)
+ }
+ }
+ if {[llength $badcolors] >= $ncolors} {
+ set badcolors $origbad
+ }
+ set origbad $badcolors
+ if {[llength $badcolors] < $ncolors - 1} {
+ foreach child $kids {
+ if {[info exists colormap($child)]
+ && [lsearch -exact $badcolors $colormap($child)] < 0} {
+ lappend badcolors $colormap($child)
+ }
+ foreach p $parents($curview,$child) {
+ if {[info exists colormap($p)]
+ && [lsearch -exact $badcolors $colormap($p)] < 0} {
+ lappend badcolors $colormap($p)
+ }
+ }
+ }
+ if {[llength $badcolors] >= $ncolors} {
+ set badcolors $origbad
+ }
+ }
+ for {set i 0} {$i <= $ncolors} {incr i} {
+ set c [lindex $colors $nextcolor]
+ if {[incr nextcolor] >= $ncolors} {
+ set nextcolor 0
+ }
+ if {[lsearch -exact $badcolors $c]} break
+ }
+ set colormap($id) $c
+}
+
+proc bindline {t id} {
+ global canv
+
+ $canv bind $t <Enter> "lineenter %x %y $id"
+ $canv bind $t <Motion> "linemotion %x %y $id"
+ $canv bind $t <Leave> "lineleave $id"
+ $canv bind $t <Button-1> "lineclick %x %y $id 1"
+}
+
+proc drawtags {id x xt y1} {
+ global idtags idheads idotherrefs mainhead
+ global linespc lthickness
+ global canv rowtextx curview fgcolor bgcolor ctxbut
+
+ set marks {}
+ set ntags 0
+ set nheads 0
+ if {[info exists idtags($id)]} {
+ set marks $idtags($id)
+ set ntags [llength $marks]
+ }
+ if {[info exists idheads($id)]} {
+ set marks [concat $marks $idheads($id)]
+ set nheads [llength $idheads($id)]
+ }
+ if {[info exists idotherrefs($id)]} {
+ set marks [concat $marks $idotherrefs($id)]
+ }
+ if {$marks eq {}} {
+ return $xt
+ }
+
+ set delta [expr {int(0.5 * ($linespc - $lthickness))}]
+ set yt [expr {$y1 - 0.5 * $linespc}]
+ set yb [expr {$yt + $linespc - 1}]
+ set xvals {}
+ set wvals {}
+ set i -1
+ foreach tag $marks {
+ incr i
+ if {$i >= $ntags && $i < $ntags + $nheads && $tag eq $mainhead} {
+ set wid [font measure mainfontbold $tag]
+ } else {
+ set wid [font measure mainfont $tag]
+ }
+ lappend xvals $xt
+ lappend wvals $wid
+ set xt [expr {$xt + $delta + $wid + $lthickness + $linespc}]
+ }
+ set t [$canv create line $x $y1 [lindex $xvals end] $y1 \
+ -width $lthickness -fill black -tags tag.$id]
+ $canv lower $t
+ foreach tag $marks x $xvals wid $wvals {
+ set xl [expr {$x + $delta}]
+ set xr [expr {$x + $delta + $wid + $lthickness}]
+ set font mainfont
+ if {[incr ntags -1] >= 0} {
+ # draw a tag
+ set t [$canv create polygon $x [expr {$yt + $delta}] $xl $yt \
+ $xr $yt $xr $yb $xl $yb $x [expr {$yb - $delta}] \
+ -width 1 -outline black -fill yellow -tags tag.$id]
+ $canv bind $t <1> [list showtag $tag 1]
+ set rowtextx([rowofcommit $id]) [expr {$xr + $linespc}]
+ } else {
+ # draw a head or other ref
+ if {[incr nheads -1] >= 0} {
+ set col green
+ if {$tag eq $mainhead} {
+ set font mainfontbold
+ }
+ } else {
+ set col "#ddddff"
+ }
+ set xl [expr {$xl - $delta/2}]
+ $canv create polygon $x $yt $xr $yt $xr $yb $x $yb \
+ -width 1 -outline black -fill $col -tags tag.$id
+ if {[regexp {^(remotes/.*/|remotes/)} $tag match remoteprefix]} {
+ set rwid [font measure mainfont $remoteprefix]
+ set xi [expr {$x + 1}]
+ set yti [expr {$yt + 1}]
+ set xri [expr {$x + $rwid}]
+ $canv create polygon $xi $yti $xri $yti $xri $yb $xi $yb \
+ -width 0 -fill "#ffddaa" -tags tag.$id
+ }
+ }
+ set t [$canv create text $xl $y1 -anchor w -text $tag -fill $fgcolor \
+ -font $font -tags [list tag.$id text]]
+ if {$ntags >= 0} {
+ $canv bind $t <1> [list showtag $tag 1]
+ } elseif {$nheads >= 0} {
+ $canv bind $t $ctxbut [list headmenu %X %Y $id $tag]
+ }
+ }
+ return $xt
+}
+
+proc xcoord {i level ln} {
+ global canvx0 xspc1 xspc2
+
+ set x [expr {$canvx0 + $i * $xspc1($ln)}]
+ if {$i > 0 && $i == $level} {
+ set x [expr {$x + 0.5 * ($xspc2 - $xspc1($ln))}]
+ } elseif {$i > $level} {
+ set x [expr {$x + $xspc2 - $xspc1($ln)}]
+ }
+ return $x
+}
+
+proc show_status {msg} {
+ global canv fgcolor
+
+ clear_display
+ $canv create text 3 3 -anchor nw -text $msg -font mainfont \
+ -tags text -fill $fgcolor
+}
+
+# Don't change the text pane cursor if it is currently the hand cursor,
+# showing that we are over a sha1 ID link.
+proc settextcursor {c} {
+ global ctext curtextcursor
+
+ if {[$ctext cget -cursor] == $curtextcursor} {
+ $ctext config -cursor $c
+ }
+ set curtextcursor $c
+}
+
+proc nowbusy {what {name {}}} {
+ global isbusy busyname statusw
+
+ if {[array names isbusy] eq {}} {
+ . config -cursor watch
+ settextcursor watch
+ }
+ set isbusy($what) 1
+ set busyname($what) $name
+ if {$name ne {}} {
+ $statusw conf -text $name
+ }
+}
+
+proc notbusy {what} {
+ global isbusy maincursor textcursor busyname statusw
+
+ catch {
+ unset isbusy($what)
+ if {$busyname($what) ne {} &&
+ [$statusw cget -text] eq $busyname($what)} {
+ $statusw conf -text {}
+ }
+ }
+ if {[array names isbusy] eq {}} {
+ . config -cursor $maincursor
+ settextcursor $textcursor
+ }
+}
+
+proc findmatches {f} {
+ global findtype findstring
+ if {$findtype == [mc "Regexp"]} {
+ set matches [regexp -indices -all -inline $findstring $f]
+ } else {
+ set fs $findstring
+ if {$findtype == [mc "IgnCase"]} {
+ set f [string tolower $f]
+ set fs [string tolower $fs]
+ }
+ set matches {}
+ set i 0
+ set l [string length $fs]
+ while {[set j [string first $fs $f $i]] >= 0} {
+ lappend matches [list $j [expr {$j+$l-1}]]
+ set i [expr {$j + $l}]
+ }
+ }
+ return $matches
+}
+
+proc dofind {{dirn 1} {wrap 1}} {
+ global findstring findstartline findcurline selectedline numcommits
+ global gdttype filehighlight fh_serial find_dirn findallowwrap
+
+ if {[info exists find_dirn]} {
+ if {$find_dirn == $dirn} return
+ stopfinding
+ }
+ focus .
+ if {$findstring eq {} || $numcommits == 0} return
+ if {$selectedline eq {}} {
+ set findstartline [lindex [visiblerows] [expr {$dirn < 0}]]
+ } else {
+ set findstartline $selectedline
+ }
+ set findcurline $findstartline
+ nowbusy finding [mc "Searching"]
+ if {$gdttype ne [mc "containing:"] && ![info exists filehighlight]} {
+ after cancel do_file_hl $fh_serial
+ do_file_hl $fh_serial
+ }
+ set find_dirn $dirn
+ set findallowwrap $wrap
+ run findmore
+}
+
+proc stopfinding {} {
+ global find_dirn findcurline fprogcoord
+
+ if {[info exists find_dirn]} {
+ unset find_dirn
+ unset findcurline
+ notbusy finding
+ set fprogcoord 0
+ adjustprogress
+ }
+ stopblaming
+}
+
+proc findmore {} {
+ global commitdata commitinfo numcommits findpattern findloc
+ global findstartline findcurline findallowwrap
+ global find_dirn gdttype fhighlights fprogcoord
+ global curview varcorder vrownum varccommits vrowmod
+
+ if {![info exists find_dirn]} {
+ return 0
+ }
+ set fldtypes [list [mc "Headline"] [mc "Author"] [mc "Date"] [mc "Committer"] [mc "CDate"] [mc "Comments"]]
+ set l $findcurline
+ set moretodo 0
+ if {$find_dirn > 0} {
+ incr l
+ if {$l >= $numcommits} {
+ set l 0
+ }
+ if {$l <= $findstartline} {
+ set lim [expr {$findstartline + 1}]
+ } else {
+ set lim $numcommits
+ set moretodo $findallowwrap
+ }
+ } else {
+ if {$l == 0} {
+ set l $numcommits
+ }
+ incr l -1
+ if {$l >= $findstartline} {
+ set lim [expr {$findstartline - 1}]
+ } else {
+ set lim -1
+ set moretodo $findallowwrap
+ }
+ }
+ set n [expr {($lim - $l) * $find_dirn}]
+ if {$n > 500} {
+ set n 500
+ set moretodo 1
+ }
+ if {$l + ($find_dirn > 0? $n: 1) > $vrowmod($curview)} {
+ update_arcrows $curview
+ }
+ set found 0
+ set domore 1
+ set ai [bsearch $vrownum($curview) $l]
+ set a [lindex $varcorder($curview) $ai]
+ set arow [lindex $vrownum($curview) $ai]
+ set ids [lindex $varccommits($curview,$a)]
+ set arowend [expr {$arow + [llength $ids]}]
+ if {$gdttype eq [mc "containing:"]} {
+ for {} {$n > 0} {incr n -1; incr l $find_dirn} {
+ if {$l < $arow || $l >= $arowend} {
+ incr ai $find_dirn
+ set a [lindex $varcorder($curview) $ai]
+ set arow [lindex $vrownum($curview) $ai]
+ set ids [lindex $varccommits($curview,$a)]
+ set arowend [expr {$arow + [llength $ids]}]
+ }
+ set id [lindex $ids [expr {$l - $arow}]]
+ # shouldn't happen unless git log doesn't give all the commits...
+ if {![info exists commitdata($id)] ||
+ ![doesmatch $commitdata($id)]} {
+ continue
+ }
+ if {![info exists commitinfo($id)]} {
+ getcommit $id
+ }
+ set info $commitinfo($id)
+ foreach f $info ty $fldtypes {
+ if {($findloc eq [mc "All fields"] || $findloc eq $ty) &&
+ [doesmatch $f]} {
+ set found 1
+ break
+ }
+ }
+ if {$found} break
+ }
+ } else {
+ for {} {$n > 0} {incr n -1; incr l $find_dirn} {
+ if {$l < $arow || $l >= $arowend} {
+ incr ai $find_dirn
+ set a [lindex $varcorder($curview) $ai]
+ set arow [lindex $vrownum($curview) $ai]
+ set ids [lindex $varccommits($curview,$a)]
+ set arowend [expr {$arow + [llength $ids]}]
+ }
+ set id [lindex $ids [expr {$l - $arow}]]
+ if {![info exists fhighlights($id)]} {
+ # this sets fhighlights($id) to -1
+ askfilehighlight $l $id
+ }
+ if {$fhighlights($id) > 0} {
+ set found $domore
+ break
+ }
+ if {$fhighlights($id) < 0} {
+ if {$domore} {
+ set domore 0
+ set findcurline [expr {$l - $find_dirn}]
+ }
+ }
+ }
+ }
+ if {$found || ($domore && !$moretodo)} {
+ unset findcurline
+ unset find_dirn
+ notbusy finding
+ set fprogcoord 0
+ adjustprogress
+ if {$found} {
+ findselectline $l
+ } else {
+ bell
+ }
+ return 0
+ }
+ if {!$domore} {
+ flushhighlights
+ } else {
+ set findcurline [expr {$l - $find_dirn}]
+ }
+ set n [expr {($findcurline - $findstartline) * $find_dirn - 1}]
+ if {$n < 0} {
+ incr n $numcommits
+ }
+ set fprogcoord [expr {$n * 1.0 / $numcommits}]
+ adjustprogress
+ return $domore
+}
+
+proc findselectline {l} {
+ global findloc commentend ctext findcurline markingmatches gdttype
+
+ set markingmatches [expr {$gdttype eq [mc "containing:"]}]
+ set findcurline $l
+ selectline $l 1
+ if {$markingmatches &&
+ ($findloc eq [mc "All fields"] || $findloc eq [mc "Comments"])} {
+ # highlight the matches in the comments
+ set f [$ctext get 1.0 $commentend]
+ set matches [findmatches $f]
+ foreach match $matches {
+ set start [lindex $match 0]
+ set end [expr {[lindex $match 1] + 1}]
+ $ctext tag add found "1.0 + $start c" "1.0 + $end c"
+ }
+ }
+ drawvisible
+}
+
+# mark the bits of a headline or author that match a find string
+proc markmatches {canv l str tag matches font row} {
+ global selectedline
+
+ set bbox [$canv bbox $tag]
+ set x0 [lindex $bbox 0]
+ set y0 [lindex $bbox 1]
+ set y1 [lindex $bbox 3]
+ foreach match $matches {
+ set start [lindex $match 0]
+ set end [lindex $match 1]
+ if {$start > $end} continue
+ set xoff [font measure $font [string range $str 0 [expr {$start-1}]]]
+ set xlen [font measure $font [string range $str 0 [expr {$end}]]]
+ set t [$canv create rect [expr {$x0+$xoff}] $y0 \
+ [expr {$x0+$xlen+2}] $y1 \
+ -outline {} -tags [list match$l matches] -fill yellow]
+ $canv lower $t
+ if {$row == $selectedline} {
+ $canv raise $t secsel
+ }
+ }
+}
+
+proc unmarkmatches {} {
+ global markingmatches
+
+ allcanvs delete matches
+ set markingmatches 0
+ stopfinding
+}
+
+proc selcanvline {w x y} {
+ global canv canvy0 ctext linespc
+ global rowtextx
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax == {}} return
+ set yfrac [lindex [$canv yview] 0]
+ set y [expr {$y + $yfrac * $ymax}]
+ set l [expr {int(($y - $canvy0) / $linespc + 0.5)}]
+ if {$l < 0} {
+ set l 0
+ }
+ if {$w eq $canv} {
+ set xmax [lindex [$canv cget -scrollregion] 2]
+ set xleft [expr {[lindex [$canv xview] 0] * $xmax}]
+ if {![info exists rowtextx($l)] || $xleft + $x < $rowtextx($l)} return
+ }
+ unmarkmatches
+ selectline $l 1
+}
+
+proc commit_descriptor {p} {
+ global commitinfo
+ if {![info exists commitinfo($p)]} {
+ getcommit $p
+ }
+ set l "..."
+ if {[llength $commitinfo($p)] > 1} {
+ set l [lindex $commitinfo($p) 0]
+ }
+ return "$p ($l)\n"
+}
+
+# append some text to the ctext widget, and make any SHA1 ID
+# that we know about be a clickable link.
+proc appendwithlinks {text tags} {
+ global ctext linknum curview
+
+ set start [$ctext index "end - 1c"]
+ $ctext insert end $text $tags
+ set links [regexp -indices -all -inline {\m[0-9a-f]{6,40}\M} $text]
+ foreach l $links {
+ set s [lindex $l 0]
+ set e [lindex $l 1]
+ set linkid [string range $text $s $e]
+ incr e
+ $ctext tag delete link$linknum
+ $ctext tag add link$linknum "$start + $s c" "$start + $e c"
+ setlink $linkid link$linknum
+ incr linknum
+ }
+}
+
+proc setlink {id lk} {
+ global curview ctext pendinglinks
+
+ set known 0
+ if {[string length $id] < 40} {
+ set matches [longid $id]
+ if {[llength $matches] > 0} {
+ if {[llength $matches] > 1} return
+ set known 1
+ set id [lindex $matches 0]
+ }
+ } else {
+ set known [commitinview $id $curview]
+ }
+ if {$known} {
+ $ctext tag conf $lk -foreground blue -underline 1
+ $ctext tag bind $lk <1> [list selbyid $id]
+ $ctext tag bind $lk <Enter> {linkcursor %W 1}
+ $ctext tag bind $lk <Leave> {linkcursor %W -1}
+ } else {
+ lappend pendinglinks($id) $lk
+ interestedin $id {makelink %P}
+ }
+}
+
+proc appendshortlink {id {pre {}} {post {}}} {
+ global ctext linknum
+
+ $ctext insert end $pre
+ $ctext tag delete link$linknum
+ $ctext insert end [string range $id 0 7] link$linknum
+ $ctext insert end $post
+ setlink $id link$linknum
+ incr linknum
+}
+
+proc makelink {id} {
+ global pendinglinks
+
+ if {![info exists pendinglinks($id)]} return
+ foreach lk $pendinglinks($id) {
+ setlink $id $lk
+ }
+ unset pendinglinks($id)
+}
+
+proc linkcursor {w inc} {
+ global linkentercount curtextcursor
+
+ if {[incr linkentercount $inc] > 0} {
+ $w configure -cursor hand2
+ } else {
+ $w configure -cursor $curtextcursor
+ if {$linkentercount < 0} {
+ set linkentercount 0
+ }
+ }
+}
+
+proc viewnextline {dir} {
+ global canv linespc
+
+ $canv delete hover
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ set wnow [$canv yview]
+ set wtop [expr {[lindex $wnow 0] * $ymax}]
+ set newtop [expr {$wtop + $dir * $linespc}]
+ if {$newtop < 0} {
+ set newtop 0
+ } elseif {$newtop > $ymax} {
+ set newtop $ymax
+ }
+ allcanvs yview moveto [expr {$newtop * 1.0 / $ymax}]
+}
+
+# add a list of tag or branch names at position pos
+# returns the number of names inserted
+proc appendrefs {pos ids var} {
+ global ctext linknum curview $var maxrefs
+
+ if {[catch {$ctext index $pos}]} {
+ return 0
+ }
+ $ctext conf -state normal
+ $ctext delete $pos "$pos lineend"
+ set tags {}
+ foreach id $ids {
+ foreach tag [set $var\($id\)] {
+ lappend tags [list $tag $id]
+ }
+ }
+ if {[llength $tags] > $maxrefs} {
+ $ctext insert $pos "[mc "many"] ([llength $tags])"
+ } else {
+ set tags [lsort -index 0 -decreasing $tags]
+ set sep {}
+ foreach ti $tags {
+ set id [lindex $ti 1]
+ set lk link$linknum
+ incr linknum
+ $ctext tag delete $lk
+ $ctext insert $pos $sep
+ $ctext insert $pos [lindex $ti 0] $lk
+ setlink $id $lk
+ set sep ", "
+ }
+ }
+ $ctext conf -state disabled
+ return [llength $tags]
+}
+
+# called when we have finished computing the nearby tags
+proc dispneartags {delay} {
+ global selectedline currentid showneartags tagphase
+
+ if {$selectedline eq {} || !$showneartags} return
+ after cancel dispnexttag
+ if {$delay} {
+ after 200 dispnexttag
+ set tagphase -1
+ } else {
+ after idle dispnexttag
+ set tagphase 0
+ }
+}
+
+proc dispnexttag {} {
+ global selectedline currentid showneartags tagphase ctext
+
+ if {$selectedline eq {} || !$showneartags} return
+ switch -- $tagphase {
+ 0 {
+ set dtags [desctags $currentid]
+ if {$dtags ne {}} {
+ appendrefs precedes $dtags idtags
+ }
+ }
+ 1 {
+ set atags [anctags $currentid]
+ if {$atags ne {}} {
+ appendrefs follows $atags idtags
+ }
+ }
+ 2 {
+ set dheads [descheads $currentid]
+ if {$dheads ne {}} {
+ if {[appendrefs branch $dheads idheads] > 1
+ && [$ctext get "branch -3c"] eq "h"} {
+ # turn "Branch" into "Branches"
+ $ctext conf -state normal
+ $ctext insert "branch -2c" "es"
+ $ctext conf -state disabled
+ }
+ }
+ }
+ }
+ if {[incr tagphase] <= 2} {
+ after idle dispnexttag
+ }
+}
+
+proc make_secsel {id} {
+ global linehtag linentag linedtag canv canv2 canv3
+
+ if {![info exists linehtag($id)]} return
+ $canv delete secsel
+ set t [eval $canv create rect [$canv bbox $linehtag($id)] -outline {{}} \
+ -tags secsel -fill [$canv cget -selectbackground]]
+ $canv lower $t
+ $canv2 delete secsel
+ set t [eval $canv2 create rect [$canv2 bbox $linentag($id)] -outline {{}} \
+ -tags secsel -fill [$canv2 cget -selectbackground]]
+ $canv2 lower $t
+ $canv3 delete secsel
+ set t [eval $canv3 create rect [$canv3 bbox $linedtag($id)] -outline {{}} \
+ -tags secsel -fill [$canv3 cget -selectbackground]]
+ $canv3 lower $t
+}
+
+proc make_idmark {id} {
+ global linehtag canv fgcolor
+
+ if {![info exists linehtag($id)]} return
+ $canv delete markid
+ set t [eval $canv create rect [$canv bbox $linehtag($id)] \
+ -tags markid -outline $fgcolor]
+ $canv raise $t
+}
+
+proc selectline {l isnew {desired_loc {}}} {
+ global canv ctext commitinfo selectedline
+ global canvy0 linespc parents children curview
+ global currentid sha1entry
+ global commentend idtags linknum
+ global mergemax numcommits pending_select
+ global cmitmode showneartags allcommits
+ global targetrow targetid lastscrollrows
+ global autoselect jump_to_here
+
+ catch {unset pending_select}
+ $canv delete hover
+ normalline
+ unsel_reflist
+ stopfinding
+ if {$l < 0 || $l >= $numcommits} return
+ set id [commitonrow $l]
+ set targetid $id
+ set targetrow $l
+ set selectedline $l
+ set currentid $id
+ if {$lastscrollrows < $numcommits} {
+ setcanvscroll
+ }
+
+ set y [expr {$canvy0 + $l * $linespc}]
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ set ytop [expr {$y - $linespc - 1}]
+ set ybot [expr {$y + $linespc + 1}]
+ set wnow [$canv yview]
+ set wtop [expr {[lindex $wnow 0] * $ymax}]
+ set wbot [expr {[lindex $wnow 1] * $ymax}]
+ set wh [expr {$wbot - $wtop}]
+ set newtop $wtop
+ if {$ytop < $wtop} {
+ if {$ybot < $wtop} {
+ set newtop [expr {$y - $wh / 2.0}]
+ } else {
+ set newtop $ytop
+ if {$newtop > $wtop - $linespc} {
+ set newtop [expr {$wtop - $linespc}]
+ }
+ }
+ } elseif {$ybot > $wbot} {
+ if {$ytop > $wbot} {
+ set newtop [expr {$y - $wh / 2.0}]
+ } else {
+ set newtop [expr {$ybot - $wh}]
+ if {$newtop < $wtop + $linespc} {
+ set newtop [expr {$wtop + $linespc}]
+ }
+ }
+ }
+ if {$newtop != $wtop} {
+ if {$newtop < 0} {
+ set newtop 0
+ }
+ allcanvs yview moveto [expr {$newtop * 1.0 / $ymax}]
+ drawvisible
+ }
+
+ make_secsel $id
+
+ if {$isnew} {
+ addtohistory [list selbyid $id 0] savecmitpos
+ }
+
+ $sha1entry delete 0 end
+ $sha1entry insert 0 $id
+ if {$autoselect} {
+ $sha1entry selection range 0 end
+ }
+ rhighlight_sel $id
+
+ $ctext conf -state normal
+ clear_ctext
+ set linknum 0
+ if {![info exists commitinfo($id)]} {
+ getcommit $id
+ }
+ set info $commitinfo($id)
+ set date [formatdate [lindex $info 2]]
+ $ctext insert end "[mc "Author"]: [lindex $info 1] $date\n"
+ set date [formatdate [lindex $info 4]]
+ $ctext insert end "[mc "Committer"]: [lindex $info 3] $date\n"
+ if {[info exists idtags($id)]} {
+ $ctext insert end [mc "Tags:"]
+ foreach tag $idtags($id) {
+ $ctext insert end " $tag"
+ }
+ $ctext insert end "\n"
+ }
+
+ set headers {}
+ set olds $parents($curview,$id)
+ if {[llength $olds] > 1} {
+ set np 0
+ foreach p $olds {
+ if {$np >= $mergemax} {
+ set tag mmax
+ } else {
+ set tag m$np
+ }
+ $ctext insert end "[mc "Parent"]: " $tag
+ appendwithlinks [commit_descriptor $p] {}
+ incr np
+ }
+ } else {
+ foreach p $olds {
+ append headers "[mc "Parent"]: [commit_descriptor $p]"
+ }
+ }
+
+ foreach c $children($curview,$id) {
+ append headers "[mc "Child"]: [commit_descriptor $c]"
+ }
+
+ # make anything that looks like a SHA1 ID be a clickable link
+ appendwithlinks $headers {}
+ if {$showneartags} {
+ if {![info exists allcommits]} {
+ getallcommits
+ }
+ $ctext insert end "[mc "Branch"]: "
+ $ctext mark set branch "end -1c"
+ $ctext mark gravity branch left
+ $ctext insert end "\n[mc "Follows"]: "
+ $ctext mark set follows "end -1c"
+ $ctext mark gravity follows left
+ $ctext insert end "\n[mc "Precedes"]: "
+ $ctext mark set precedes "end -1c"
+ $ctext mark gravity precedes left
+ $ctext insert end "\n"
+ dispneartags 1
+ }
+ $ctext insert end "\n"
+ set comment [lindex $info 5]
+ if {[string first "\r" $comment] >= 0} {
+ set comment [string map {"\r" "\n "} $comment]
+ }
+ appendwithlinks $comment {comment}
+
+ $ctext tag remove found 1.0 end
+ $ctext conf -state disabled
+ set commentend [$ctext index "end - 1c"]
+
+ set jump_to_here $desired_loc
+ init_flist [mc "Comments"]
+ if {$cmitmode eq "tree"} {
+ gettree $id
+ } elseif {[llength $olds] <= 1} {
+ startdiff $id
+ } else {
+ mergediff $id
+ }
+}
+
+proc selfirstline {} {
+ unmarkmatches
+ selectline 0 1
+}
+
+proc sellastline {} {
+ global numcommits
+ unmarkmatches
+ set l [expr {$numcommits - 1}]
+ selectline $l 1
+}
+
+proc selnextline {dir} {
+ global selectedline
+ focus .
+ if {$selectedline eq {}} return
+ set l [expr {$selectedline + $dir}]
+ unmarkmatches
+ selectline $l 1
+}
+
+proc selnextpage {dir} {
+ global canv linespc selectedline numcommits
+
+ set lpp [expr {([winfo height $canv] - 2) / $linespc}]
+ if {$lpp < 1} {
+ set lpp 1
+ }
+ allcanvs yview scroll [expr {$dir * $lpp}] units
+ drawvisible
+ if {$selectedline eq {}} return
+ set l [expr {$selectedline + $dir * $lpp}]
+ if {$l < 0} {
+ set l 0
+ } elseif {$l >= $numcommits} {
+ set l [expr $numcommits - 1]
+ }
+ unmarkmatches
+ selectline $l 1
+}
+
+proc unselectline {} {
+ global selectedline currentid
+
+ set selectedline {}
+ catch {unset currentid}
+ allcanvs delete secsel
+ rhighlight_none
+}
+
+proc reselectline {} {
+ global selectedline
+
+ if {$selectedline ne {}} {
+ selectline $selectedline 0
+ }
+}
+
+proc addtohistory {cmd {saveproc {}}} {
+ global history historyindex curview
+
+ unset_posvars
+ save_position
+ set elt [list $curview $cmd $saveproc {}]
+ if {$historyindex > 0
+ && [lindex $history [expr {$historyindex - 1}]] == $elt} {
+ return
+ }
+
+ if {$historyindex < [llength $history]} {
+ set history [lreplace $history $historyindex end $elt]
+ } else {
+ lappend history $elt
+ }
+ incr historyindex
+ if {$historyindex > 1} {
+ .tf.bar.leftbut conf -state normal
+ } else {
+ .tf.bar.leftbut conf -state disabled
+ }
+ .tf.bar.rightbut conf -state disabled
+}
+
+# save the scrolling position of the diff display pane
+proc save_position {} {
+ global historyindex history
+
+ if {$historyindex < 1} return
+ set hi [expr {$historyindex - 1}]
+ set fn [lindex $history $hi 2]
+ if {$fn ne {}} {
+ lset history $hi 3 [eval $fn]
+ }
+}
+
+proc unset_posvars {} {
+ global last_posvars
+
+ if {[info exists last_posvars]} {
+ foreach {var val} $last_posvars {
+ global $var
+ catch {unset $var}
+ }
+ unset last_posvars
+ }
+}
+
+proc godo {elt} {
+ global curview last_posvars
+
+ set view [lindex $elt 0]
+ set cmd [lindex $elt 1]
+ set pv [lindex $elt 3]
+ if {$curview != $view} {
+ showview $view
+ }
+ unset_posvars
+ foreach {var val} $pv {
+ global $var
+ set $var $val
+ }
+ set last_posvars $pv
+ eval $cmd
+}
+
+proc goback {} {
+ global history historyindex
+ focus .
+
+ if {$historyindex > 1} {
+ save_position
+ incr historyindex -1
+ godo [lindex $history [expr {$historyindex - 1}]]
+ .tf.bar.rightbut conf -state normal
+ }
+ if {$historyindex <= 1} {
+ .tf.bar.leftbut conf -state disabled
+ }
+}
+
+proc goforw {} {
+ global history historyindex
+ focus .
+
+ if {$historyindex < [llength $history]} {
+ save_position
+ set cmd [lindex $history $historyindex]
+ incr historyindex
+ godo $cmd
+ .tf.bar.leftbut conf -state normal
+ }
+ if {$historyindex >= [llength $history]} {
+ .tf.bar.rightbut conf -state disabled
+ }
+}
+
+proc gettree {id} {
+ global treefilelist treeidlist diffids diffmergeid treepending
+ global nullid nullid2
+
+ set diffids $id
+ catch {unset diffmergeid}
+ if {![info exists treefilelist($id)]} {
+ if {![info exists treepending]} {
+ if {$id eq $nullid} {
+ set cmd [list | git ls-files]
+ } elseif {$id eq $nullid2} {
+ set cmd [list | git ls-files --stage -t]
+ } else {
+ set cmd [list | git ls-tree -r $id]
+ }
+ if {[catch {set gtf [open $cmd r]}]} {
+ return
+ }
+ set treepending $id
+ set treefilelist($id) {}
+ set treeidlist($id) {}
+ fconfigure $gtf -blocking 0 -encoding binary
+ filerun $gtf [list gettreeline $gtf $id]
+ }
+ } else {
+ setfilelist $id
+ }
+}
+
+proc gettreeline {gtf id} {
+ global treefilelist treeidlist treepending cmitmode diffids nullid nullid2
+
+ set nl 0
+ while {[incr nl] <= 1000 && [gets $gtf line] >= 0} {
+ if {$diffids eq $nullid} {
+ set fname $line
+ } else {
+ set i [string first "\t" $line]
+ if {$i < 0} continue
+ set fname [string range $line [expr {$i+1}] end]
+ set line [string range $line 0 [expr {$i-1}]]
+ if {$diffids ne $nullid2 && [lindex $line 1] ne "blob"} continue
+ set sha1 [lindex $line 2]
+ lappend treeidlist($id) $sha1
+ }
+ if {[string index $fname 0] eq "\""} {
+ set fname [lindex $fname 0]
+ }
+ set fname [encoding convertfrom $fname]
+ lappend treefilelist($id) $fname
+ }
+ if {![eof $gtf]} {
+ return [expr {$nl >= 1000? 2: 1}]
+ }
+ close $gtf
+ unset treepending
+ if {$cmitmode ne "tree"} {
+ if {![info exists diffmergeid]} {
+ gettreediffs $diffids
+ }
+ } elseif {$id ne $diffids} {
+ gettree $diffids
+ } else {
+ setfilelist $id
+ }
+ return 0
+}
+
+proc showfile {f} {
+ global treefilelist treeidlist diffids nullid nullid2
+ global ctext_file_names ctext_file_lines
+ global ctext commentend
+
+ set i [lsearch -exact $treefilelist($diffids) $f]
+ if {$i < 0} {
+ puts "oops, $f not in list for id $diffids"
+ return
+ }
+ if {$diffids eq $nullid} {
+ if {[catch {set bf [open $f r]} err]} {
+ puts "oops, can't read $f: $err"
+ return
+ }
+ } else {
+ set blob [lindex $treeidlist($diffids) $i]
+ if {[catch {set bf [open [concat | git cat-file blob $blob] r]} err]} {
+ puts "oops, error reading blob $blob: $err"
+ return
+ }
+ }
+ fconfigure $bf -blocking 0 -encoding [get_path_encoding $f]
+ filerun $bf [list getblobline $bf $diffids]
+ $ctext config -state normal
+ clear_ctext $commentend
+ lappend ctext_file_names $f
+ lappend ctext_file_lines [lindex [split $commentend "."] 0]
+ $ctext insert end "\n"
+ $ctext insert end "$f\n" filesep
+ $ctext config -state disabled
+ $ctext yview $commentend
+ settabs 0
+}
+
+proc getblobline {bf id} {
+ global diffids cmitmode ctext
+
+ if {$id ne $diffids || $cmitmode ne "tree"} {
+ catch {close $bf}
+ return 0
+ }
+ $ctext config -state normal
+ set nl 0
+ while {[incr nl] <= 1000 && [gets $bf line] >= 0} {
+ $ctext insert end "$line\n"
+ }
+ if {[eof $bf]} {
+ global jump_to_here ctext_file_names commentend
+
+ # delete last newline
+ $ctext delete "end - 2c" "end - 1c"
+ close $bf
+ if {$jump_to_here ne {} &&
+ [lindex $jump_to_here 0] eq [lindex $ctext_file_names 0]} {
+ set lnum [expr {[lindex $jump_to_here 1] +
+ [lindex [split $commentend .] 0]}]
+ mark_ctext_line $lnum
+ }
+ return 0
+ }
+ $ctext config -state disabled
+ return [expr {$nl >= 1000? 2: 1}]
+}
+
+proc mark_ctext_line {lnum} {
+ global ctext markbgcolor
+
+ $ctext tag delete omark
+ $ctext tag add omark $lnum.0 "$lnum.0 + 1 line"
+ $ctext tag conf omark -background $markbgcolor
+ $ctext see $lnum.0
+}
+
+proc mergediff {id} {
+ global diffmergeid
+ global diffids treediffs
+ global parents curview
+
+ set diffmergeid $id
+ set diffids $id
+ set treediffs($id) {}
+ set np [llength $parents($curview,$id)]
+ settabs $np
+ getblobdiffs $id
+}
+
+proc startdiff {ids} {
+ global treediffs diffids treepending diffmergeid nullid nullid2
+
+ settabs 1
+ set diffids $ids
+ catch {unset diffmergeid}
+ if {![info exists treediffs($ids)] ||
+ [lsearch -exact $ids $nullid] >= 0 ||
+ [lsearch -exact $ids $nullid2] >= 0} {
+ if {![info exists treepending]} {
+ gettreediffs $ids
+ }
+ } else {
+ addtocflist $ids
+ }
+}
+
+proc path_filter {filter name} {
+ foreach p $filter {
+ set l [string length $p]
+ if {[string index $p end] eq "/"} {
+ if {[string compare -length $l $p $name] == 0} {
+ return 1
+ }
+ } else {
+ if {[string compare -length $l $p $name] == 0 &&
+ ([string length $name] == $l ||
+ [string index $name $l] eq "/")} {
+ return 1
+ }
+ }
+ }
+ return 0
+}
+
+proc addtocflist {ids} {
+ global treediffs
+
+ add_flist $treediffs($ids)
+ getblobdiffs $ids
+}
+
+proc diffcmd {ids flags} {
+ global nullid nullid2
+
+ set i [lsearch -exact $ids $nullid]
+ set j [lsearch -exact $ids $nullid2]
+ if {$i >= 0} {
+ if {[llength $ids] > 1 && $j < 0} {
+ # comparing working directory with some specific revision
+ set cmd [concat | git diff-index $flags]
+ if {$i == 0} {
+ lappend cmd -R [lindex $ids 1]
+ } else {
+ lappend cmd [lindex $ids 0]
+ }
+ } else {
+ # comparing working directory with index
+ set cmd [concat | git diff-files $flags]
+ if {$j == 1} {
+ lappend cmd -R
+ }
+ }
+ } elseif {$j >= 0} {
+ set cmd [concat | git diff-index --cached $flags]
+ if {[llength $ids] > 1} {
+ # comparing index with specific revision
+ if {$j == 0} {
+ lappend cmd -R [lindex $ids 1]
+ } else {
+ lappend cmd [lindex $ids 0]
+ }
+ } else {
+ # comparing index with HEAD
+ lappend cmd HEAD
+ }
+ } else {
+ set cmd [concat | git diff-tree -r $flags $ids]
+ }
+ return $cmd
+}
+
+proc gettreediffs {ids} {
+ global treediff treepending
+
+ if {[catch {set gdtf [open [diffcmd $ids {--no-commit-id}] r]}]} return
+
+ set treepending $ids
+ set treediff {}
+ fconfigure $gdtf -blocking 0 -encoding binary
+ filerun $gdtf [list gettreediffline $gdtf $ids]
+}
+
+proc gettreediffline {gdtf ids} {
+ global treediff treediffs treepending diffids diffmergeid
+ global cmitmode vfilelimit curview limitdiffs perfile_attrs
+
+ set nr 0
+ set sublist {}
+ set max 1000
+ if {$perfile_attrs} {
+ # cache_gitattr is slow, and even slower on win32 where we
+ # have to invoke it for only about 30 paths at a time
+ set max 500
+ if {[tk windowingsystem] == "win32"} {
+ set max 120
+ }
+ }
+ while {[incr nr] <= $max && [gets $gdtf line] >= 0} {
+ set i [string first "\t" $line]
+ if {$i >= 0} {
+ set file [string range $line [expr {$i+1}] end]
+ if {[string index $file 0] eq "\""} {
+ set file [lindex $file 0]
+ }
+ set file [encoding convertfrom $file]
+ if {$file ne [lindex $treediff end]} {
+ lappend treediff $file
+ lappend sublist $file
+ }
+ }
+ }
+ if {$perfile_attrs} {
+ cache_gitattr encoding $sublist
+ }
+ if {![eof $gdtf]} {
+ return [expr {$nr >= $max? 2: 1}]
+ }
+ close $gdtf
+ if {$limitdiffs && $vfilelimit($curview) ne {}} {
+ set flist {}
+ foreach f $treediff {
+ if {[path_filter $vfilelimit($curview) $f]} {
+ lappend flist $f
+ }
+ }
+ set treediffs($ids) $flist
+ } else {
+ set treediffs($ids) $treediff
+ }
+ unset treepending
+ if {$cmitmode eq "tree" && [llength $diffids] == 1} {
+ gettree $diffids
+ } elseif {$ids != $diffids} {
+ if {![info exists diffmergeid]} {
+ gettreediffs $diffids
+ }
+ } else {
+ addtocflist $ids
+ }
+ return 0
+}
+
+# empty string or positive integer
+proc diffcontextvalidate {v} {
+ return [regexp {^(|[1-9][0-9]*)$} $v]
+}
+
+proc diffcontextchange {n1 n2 op} {
+ global diffcontextstring diffcontext
+
+ if {[string is integer -strict $diffcontextstring]} {
+ if {$diffcontextstring >= 0} {
+ set diffcontext $diffcontextstring
+ reselectline
+ }
+ }
+}
+
+proc changeignorespace {} {
+ reselectline
+}
+
+proc getblobdiffs {ids} {
+ global blobdifffd diffids env
+ global diffinhdr treediffs
+ global diffcontext
+ global ignorespace
+ global limitdiffs vfilelimit curview
+ global diffencoding targetline diffnparents
+ global git_version
+
+ set textconv {}
+ if {[package vcompare $git_version "1.6.1"] >= 0} {
+ set textconv "--textconv"
+ }
+ set submodule {}
+ if {[package vcompare $git_version "1.6.6"] >= 0} {
+ set submodule "--submodule"
+ }
+ set cmd [diffcmd $ids "-p $textconv $submodule -C --cc --no-commit-id -U$diffcontext"]
+ if {$ignorespace} {
+ append cmd " -w"
+ }
+ if {$limitdiffs && $vfilelimit($curview) ne {}} {
+ set cmd [concat $cmd -- $vfilelimit($curview)]
+ }
+ if {[catch {set bdf [open $cmd r]} err]} {
+ error_popup [mc "Error getting diffs: %s" $err]
+ return
+ }
+ set targetline {}
+ set diffnparents 0
+ set diffinhdr 0
+ set diffencoding [get_path_encoding {}]
+ fconfigure $bdf -blocking 0 -encoding binary -eofchar {}
+ set blobdifffd($ids) $bdf
+ filerun $bdf [list getblobdiffline $bdf $diffids]
+}
+
+proc savecmitpos {} {
+ global ctext cmitmode
+
+ if {$cmitmode eq "tree"} {
+ return {}
+ }
+ return [list target_scrollpos [$ctext index @0,0]]
+}
+
+proc savectextpos {} {
+ global ctext
+
+ return [list target_scrollpos [$ctext index @0,0]]
+}
+
+proc maybe_scroll_ctext {ateof} {
+ global ctext target_scrollpos
+
+ if {![info exists target_scrollpos]} return
+ if {!$ateof} {
+ set nlines [expr {[winfo height $ctext]
+ / [font metrics textfont -linespace]}]
+ if {[$ctext compare "$target_scrollpos + $nlines lines" <= end]} return
+ }
+ $ctext yview $target_scrollpos
+ unset target_scrollpos
+}
+
+proc setinlist {var i val} {
+ global $var
+
+ while {[llength [set $var]] < $i} {
+ lappend $var {}
+ }
+ if {[llength [set $var]] == $i} {
+ lappend $var $val
+ } else {
+ lset $var $i $val
+ }
+}
+
+proc makediffhdr {fname ids} {
+ global ctext curdiffstart treediffs diffencoding
+ global ctext_file_names jump_to_here targetline diffline
+
+ set fname [encoding convertfrom $fname]
+ set diffencoding [get_path_encoding $fname]
+ set i [lsearch -exact $treediffs($ids) $fname]
+ if {$i >= 0} {
+ setinlist difffilestart $i $curdiffstart
+ }
+ lset ctext_file_names end $fname
+ set l [expr {(78 - [string length $fname]) / 2}]
+ set pad [string range "----------------------------------------" 1 $l]
+ $ctext insert $curdiffstart "$pad $fname $pad" filesep
+ set targetline {}
+ if {$jump_to_here ne {} && [lindex $jump_to_here 0] eq $fname} {
+ set targetline [lindex $jump_to_here 1]
+ }
+ set diffline 0
+}
+
+proc getblobdiffline {bdf ids} {
+ global diffids blobdifffd ctext curdiffstart
+ global diffnexthead diffnextnote difffilestart
+ global ctext_file_names ctext_file_lines
+ global diffinhdr treediffs mergemax diffnparents
+ global diffencoding jump_to_here targetline diffline
+
+ set nr 0
+ $ctext conf -state normal
+ while {[incr nr] <= 1000 && [gets $bdf line] >= 0} {
+ if {$ids != $diffids || $bdf != $blobdifffd($ids)} {
+ catch {close $bdf}
+ return 0
+ }
+ if {![string compare -length 5 "diff " $line]} {
+ if {![regexp {^diff (--cc|--git) } $line m type]} {
+ set line [encoding convertfrom $line]
+ $ctext insert end "$line\n" hunksep
+ continue
+ }
+ # start of a new file
+ set diffinhdr 1
+ $ctext insert end "\n"
+ set curdiffstart [$ctext index "end - 1c"]
+ lappend ctext_file_names ""
+ lappend ctext_file_lines [lindex [split $curdiffstart "."] 0]
+ $ctext insert end "\n" filesep
+
+ if {$type eq "--cc"} {
+ # start of a new file in a merge diff
+ set fname [string range $line 10 end]
+ if {[lsearch -exact $treediffs($ids) $fname] < 0} {
+ lappend treediffs($ids) $fname
+ add_flist [list $fname]
+ }
+
+ } else {
+ set line [string range $line 11 end]
+ # If the name hasn't changed the length will be odd,
+ # the middle char will be a space, and the two bits either
+ # side will be a/name and b/name, or "a/name" and "b/name".
+ # If the name has changed we'll get "rename from" and
+ # "rename to" or "copy from" and "copy to" lines following
+ # this, and we'll use them to get the filenames.
+ # This complexity is necessary because spaces in the
+ # filename(s) don't get escaped.
+ set l [string length $line]
+ set i [expr {$l / 2}]
+ if {!(($l & 1) && [string index $line $i] eq " " &&
+ [string range $line 2 [expr {$i - 1}]] eq \
+ [string range $line [expr {$i + 3}] end])} {
+ continue
+ }
+ # unescape if quoted and chop off the a/ from the front
+ if {[string index $line 0] eq "\""} {
+ set fname [string range [lindex $line 0] 2 end]
+ } else {
+ set fname [string range $line 2 [expr {$i - 1}]]
+ }
+ }
+ makediffhdr $fname $ids
+
+ } elseif {![string compare -length 16 "* Unmerged path " $line]} {
+ set fname [encoding convertfrom [string range $line 16 end]]
+ $ctext insert end "\n"
+ set curdiffstart [$ctext index "end - 1c"]
+ lappend ctext_file_names $fname
+ lappend ctext_file_lines [lindex [split $curdiffstart "."] 0]
+ $ctext insert end "$line\n" filesep
+ set i [lsearch -exact $treediffs($ids) $fname]
+ if {$i >= 0} {
+ setinlist difffilestart $i $curdiffstart
+ }
+
+ } elseif {![string compare -length 2 "@@" $line]} {
+ regexp {^@@+} $line ats
+ set line [encoding convertfrom $diffencoding $line]
+ $ctext insert end "$line\n" hunksep
+ if {[regexp { \+(\d+),\d+ @@} $line m nl]} {
+ set diffline $nl
+ }
+ set diffnparents [expr {[string length $ats] - 1}]
+ set diffinhdr 0
+
+ } elseif {![string compare -length 10 "Submodule " $line]} {
+ # start of a new submodule
+ if {[string compare [$ctext get "end - 4c" end] "\n \n\n"]} {
+ $ctext insert end "\n"; # Add newline after commit message
+ }
+ set curdiffstart [$ctext index "end - 1c"]
+ lappend ctext_file_names ""
+ set fname [string range $line 10 [expr [string last " " $line] - 1]]
+ lappend ctext_file_lines $fname
+ makediffhdr $fname $ids
+ $ctext insert end "\n$line\n" filesep
+ } elseif {![string compare -length 3 " >" $line]} {
+ set line [encoding convertfrom $diffencoding $line]
+ $ctext insert end "$line\n" dresult
+ } elseif {![string compare -length 3 " <" $line]} {
+ set line [encoding convertfrom $diffencoding $line]
+ $ctext insert end "$line\n" d0
+ } elseif {$diffinhdr} {
+ if {![string compare -length 12 "rename from " $line]} {
+ set fname [string range $line [expr 6 + [string first " from " $line] ] end]
+ if {[string index $fname 0] eq "\""} {
+ set fname [lindex $fname 0]
+ }
+ set fname [encoding convertfrom $fname]
+ set i [lsearch -exact $treediffs($ids) $fname]
+ if {$i >= 0} {
+ setinlist difffilestart $i $curdiffstart
+ }
+ } elseif {![string compare -length 10 $line "rename to "] ||
+ ![string compare -length 8 $line "copy to "]} {
+ set fname [string range $line [expr 4 + [string first " to " $line] ] end]
+ if {[string index $fname 0] eq "\""} {
+ set fname [lindex $fname 0]
+ }
+ makediffhdr $fname $ids
+ } elseif {[string compare -length 3 $line "---"] == 0} {
+ # do nothing
+ continue
+ } elseif {[string compare -length 3 $line "+++"] == 0} {
+ set diffinhdr 0
+ continue
+ }
+ $ctext insert end "$line\n" filesep
+
+ } else {
+ set line [string map {\x1A ^Z} \
+ [encoding convertfrom $diffencoding $line]]
+ # parse the prefix - one ' ', '-' or '+' for each parent
+ set prefix [string range $line 0 [expr {$diffnparents - 1}]]
+ set tag [expr {$diffnparents > 1? "m": "d"}]
+ if {[string trim $prefix " -+"] eq {}} {
+ # prefix only has " ", "-" and "+" in it: normal diff line
+ set num [string first "-" $prefix]
+ if {$num >= 0} {
+ # removed line, first parent with line is $num
+ if {$num >= $mergemax} {
+ set num "max"
+ }
+ $ctext insert end "$line\n" $tag$num
+ } else {
+ set tags {}
+ if {[string first "+" $prefix] >= 0} {
+ # added line
+ lappend tags ${tag}result
+ if {$diffnparents > 1} {
+ set num [string first " " $prefix]
+ if {$num >= 0} {
+ if {$num >= $mergemax} {
+ set num "max"
+ }
+ lappend tags m$num
+ }
+ }
+ }
+ if {$targetline ne {}} {
+ if {$diffline == $targetline} {
+ set seehere [$ctext index "end - 1 chars"]
+ set targetline {}
+ } else {
+ incr diffline
+ }
+ }
+ $ctext insert end "$line\n" $tags
+ }
+ } else {
+ # "\ No newline at end of file",
+ # or something else we don't recognize
+ $ctext insert end "$line\n" hunksep
+ }
+ }
+ }
+ if {[info exists seehere]} {
+ mark_ctext_line [lindex [split $seehere .] 0]
+ }
+ maybe_scroll_ctext [eof $bdf]
+ $ctext conf -state disabled
+ if {[eof $bdf]} {
+ catch {close $bdf}
+ return 0
+ }
+ return [expr {$nr >= 1000? 2: 1}]
+}
+
+proc changediffdisp {} {
+ global ctext diffelide
+
+ $ctext tag conf d0 -elide [lindex $diffelide 0]
+ $ctext tag conf dresult -elide [lindex $diffelide 1]
+}
+
+proc highlightfile {loc cline} {
+ global ctext cflist cflist_top
+
+ $ctext yview $loc
+ $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend"
+ $cflist tag add highlight $cline.0 "$cline.0 lineend"
+ $cflist see $cline.0
+ set cflist_top $cline
+}
+
+proc prevfile {} {
+ global difffilestart ctext cmitmode
+
+ if {$cmitmode eq "tree"} return
+ set prev 0.0
+ set prevline 1
+ set here [$ctext index @0,0]
+ foreach loc $difffilestart {
+ if {[$ctext compare $loc >= $here]} {
+ highlightfile $prev $prevline
+ return
+ }
+ set prev $loc
+ incr prevline
+ }
+ highlightfile $prev $prevline
+}
+
+proc nextfile {} {
+ global difffilestart ctext cmitmode
+
+ if {$cmitmode eq "tree"} return
+ set here [$ctext index @0,0]
+ set line 1
+ foreach loc $difffilestart {
+ incr line
+ if {[$ctext compare $loc > $here]} {
+ highlightfile $loc $line
+ return
+ }
+ }
+}
+
+proc clear_ctext {{first 1.0}} {
+ global ctext smarktop smarkbot
+ global ctext_file_names ctext_file_lines
+ global pendinglinks
+
+ set l [lindex [split $first .] 0]
+ if {![info exists smarktop] || [$ctext compare $first < $smarktop.0]} {
+ set smarktop $l
+ }
+ if {![info exists smarkbot] || [$ctext compare $first < $smarkbot.0]} {
+ set smarkbot $l
+ }
+ $ctext delete $first end
+ if {$first eq "1.0"} {
+ catch {unset pendinglinks}
+ }
+ set ctext_file_names {}
+ set ctext_file_lines {}
+}
+
+proc settabs {{firstab {}}} {
+ global firsttabstop tabstop ctext have_tk85
+
+ if {$firstab ne {} && $have_tk85} {
+ set firsttabstop $firstab
+ }
+ set w [font measure textfont "0"]
+ if {$firsttabstop != 0} {
+ $ctext conf -tabs [list [expr {($firsttabstop + $tabstop) * $w}] \
+ [expr {($firsttabstop + 2 * $tabstop) * $w}]]
+ } elseif {$have_tk85 || $tabstop != 8} {
+ $ctext conf -tabs [expr {$tabstop * $w}]
+ } else {
+ $ctext conf -tabs {}
+ }
+}
+
+proc incrsearch {name ix op} {
+ global ctext searchstring searchdirn
+
+ $ctext tag remove found 1.0 end
+ if {[catch {$ctext index anchor}]} {
+ # no anchor set, use start of selection, or of visible area
+ set sel [$ctext tag ranges sel]
+ if {$sel ne {}} {
+ $ctext mark set anchor [lindex $sel 0]
+ } elseif {$searchdirn eq "-forwards"} {
+ $ctext mark set anchor @0,0
+ } else {
+ $ctext mark set anchor @0,[winfo height $ctext]
+ }
+ }
+ if {$searchstring ne {}} {
+ set here [$ctext search $searchdirn -- $searchstring anchor]
+ if {$here ne {}} {
+ $ctext see $here
+ }
+ searchmarkvisible 1
+ }
+}
+
+proc dosearch {} {
+ global sstring ctext searchstring searchdirn
+
+ focus $sstring
+ $sstring icursor end
+ set searchdirn -forwards
+ if {$searchstring ne {}} {
+ set sel [$ctext tag ranges sel]
+ if {$sel ne {}} {
+ set start "[lindex $sel 0] + 1c"
+ } elseif {[catch {set start [$ctext index anchor]}]} {
+ set start "@0,0"
+ }
+ set match [$ctext search -count mlen -- $searchstring $start]
+ $ctext tag remove sel 1.0 end
+ if {$match eq {}} {
+ bell
+ return
+ }
+ $ctext see $match
+ set mend "$match + $mlen c"
+ $ctext tag add sel $match $mend
+ $ctext mark unset anchor
+ }
+}
+
+proc dosearchback {} {
+ global sstring ctext searchstring searchdirn
+
+ focus $sstring
+ $sstring icursor end
+ set searchdirn -backwards
+ if {$searchstring ne {}} {
+ set sel [$ctext tag ranges sel]
+ if {$sel ne {}} {
+ set start [lindex $sel 0]
+ } elseif {[catch {set start [$ctext index anchor]}]} {
+ set start @0,[winfo height $ctext]
+ }
+ set match [$ctext search -backwards -count ml -- $searchstring $start]
+ $ctext tag remove sel 1.0 end
+ if {$match eq {}} {
+ bell
+ return
+ }
+ $ctext see $match
+ set mend "$match + $ml c"
+ $ctext tag add sel $match $mend
+ $ctext mark unset anchor
+ }
+}
+
+proc searchmark {first last} {
+ global ctext searchstring
+
+ set mend $first.0
+ while {1} {
+ set match [$ctext search -count mlen -- $searchstring $mend $last.end]
+ if {$match eq {}} break
+ set mend "$match + $mlen c"
+ $ctext tag add found $match $mend
+ }
+}
+
+proc searchmarkvisible {doall} {
+ global ctext smarktop smarkbot
+
+ set topline [lindex [split [$ctext index @0,0] .] 0]
+ set botline [lindex [split [$ctext index @0,[winfo height $ctext]] .] 0]
+ if {$doall || $botline < $smarktop || $topline > $smarkbot} {
+ # no overlap with previous
+ searchmark $topline $botline
+ set smarktop $topline
+ set smarkbot $botline
+ } else {
+ if {$topline < $smarktop} {
+ searchmark $topline [expr {$smarktop-1}]
+ set smarktop $topline
+ }
+ if {$botline > $smarkbot} {
+ searchmark [expr {$smarkbot+1}] $botline
+ set smarkbot $botline
+ }
+ }
+}
+
+proc scrolltext {f0 f1} {
+ global searchstring
+
+ .bleft.bottom.sb set $f0 $f1
+ if {$searchstring ne {}} {
+ searchmarkvisible 0
+ }
+}
+
+proc setcoords {} {
+ global linespc charspc canvx0 canvy0
+ global xspc1 xspc2 lthickness
+
+ set linespc [font metrics mainfont -linespace]
+ set charspc [font measure mainfont "m"]
+ set canvy0 [expr {int(3 + 0.5 * $linespc)}]
+ set canvx0 [expr {int(3 + 0.5 * $linespc)}]
+ set lthickness [expr {int($linespc / 9) + 1}]
+ set xspc1(0) $linespc
+ set xspc2 $linespc
+}
+
+proc redisplay {} {
+ global canv
+ global selectedline
+
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax eq {} || $ymax == 0} return
+ set span [$canv yview]
+ clear_display
+ setcanvscroll
+ allcanvs yview moveto [lindex $span 0]
+ drawvisible
+ if {$selectedline ne {}} {
+ selectline $selectedline 0
+ allcanvs yview moveto [lindex $span 0]
+ }
+}
+
+proc parsefont {f n} {
+ global fontattr
+
+ set fontattr($f,family) [lindex $n 0]
+ set s [lindex $n 1]
+ if {$s eq {} || $s == 0} {
+ set s 10
+ } elseif {$s < 0} {
+ set s [expr {int(-$s / [winfo fpixels . 1p] + 0.5)}]
+ }
+ set fontattr($f,size) $s
+ set fontattr($f,weight) normal
+ set fontattr($f,slant) roman
+ foreach style [lrange $n 2 end] {
+ switch -- $style {
+ "normal" -
+ "bold" {set fontattr($f,weight) $style}
+ "roman" -
+ "italic" {set fontattr($f,slant) $style}
+ }
+ }
+}
+
+proc fontflags {f {isbold 0}} {
+ global fontattr
+
+ return [list -family $fontattr($f,family) -size $fontattr($f,size) \
+ -weight [expr {$isbold? "bold": $fontattr($f,weight)}] \
+ -slant $fontattr($f,slant)]
+}
+
+proc fontname {f} {
+ global fontattr
+
+ set n [list $fontattr($f,family) $fontattr($f,size)]
+ if {$fontattr($f,weight) eq "bold"} {
+ lappend n "bold"
+ }
+ if {$fontattr($f,slant) eq "italic"} {
+ lappend n "italic"
+ }
+ return $n
+}
+
+proc incrfont {inc} {
+ global mainfont textfont ctext canv cflist showrefstop
+ global stopped entries fontattr
+
+ unmarkmatches
+ set s $fontattr(mainfont,size)
+ incr s $inc
+ if {$s < 1} {
+ set s 1
+ }
+ set fontattr(mainfont,size) $s
+ font config mainfont -size $s
+ font config mainfontbold -size $s
+ set mainfont [fontname mainfont]
+ set s $fontattr(textfont,size)
+ incr s $inc
+ if {$s < 1} {
+ set s 1
+ }
+ set fontattr(textfont,size) $s
+ font config textfont -size $s
+ font config textfontbold -size $s
+ set textfont [fontname textfont]
+ setcoords
+ settabs
+ redisplay
+}
+
+proc clearsha1 {} {
+ global sha1entry sha1string
+ if {[string length $sha1string] == 40} {
+ $sha1entry delete 0 end
+ }
+}
+
+proc sha1change {n1 n2 op} {
+ global sha1string currentid sha1but
+ if {$sha1string == {}
+ || ([info exists currentid] && $sha1string == $currentid)} {
+ set state disabled
+ } else {
+ set state normal
+ }
+ if {[$sha1but cget -state] == $state} return
+ if {$state == "normal"} {
+ $sha1but conf -state normal -relief raised -text "[mc "Goto:"] "
+ } else {
+ $sha1but conf -state disabled -relief flat -text "[mc "SHA1 ID:"] "
+ }
+}
+
+proc gotocommit {} {
+ global sha1string tagids headids curview varcid
+
+ if {$sha1string == {}
+ || ([info exists currentid] && $sha1string == $currentid)} return
+ if {[info exists tagids($sha1string)]} {
+ set id $tagids($sha1string)
+ } elseif {[info exists headids($sha1string)]} {
+ set id $headids($sha1string)
+ } else {
+ set id [string tolower $sha1string]
+ if {[regexp {^[0-9a-f]{4,39}$} $id]} {
+ set matches [longid $id]
+ if {$matches ne {}} {
+ if {[llength $matches] > 1} {
+ error_popup [mc "Short SHA1 id %s is ambiguous" $id]
+ return
+ }
+ set id [lindex $matches 0]
+ }
+ } else {
+ if {[catch {set id [exec git rev-parse --verify $sha1string]}]} {
+ error_popup [mc "Revision %s is not known" $sha1string]
+ return
+ }
+ }
+ }
+ if {[commitinview $id $curview]} {
+ selectline [rowofcommit $id] 1
+ return
+ }
+ if {[regexp {^[0-9a-fA-F]{4,}$} $sha1string]} {
+ set msg [mc "SHA1 id %s is not known" $sha1string]
+ } else {
+ set msg [mc "Revision %s is not in the current view" $sha1string]
+ }
+ error_popup $msg
+}
+
+proc lineenter {x y id} {
+ global hoverx hovery hoverid hovertimer
+ global commitinfo canv
+
+ if {![info exists commitinfo($id)] && ![getcommit $id]} return
+ set hoverx $x
+ set hovery $y
+ set hoverid $id
+ if {[info exists hovertimer]} {
+ after cancel $hovertimer
+ }
+ set hovertimer [after 500 linehover]
+ $canv delete hover
+}
+
+proc linemotion {x y id} {
+ global hoverx hovery hoverid hovertimer
+
+ if {[info exists hoverid] && $id == $hoverid} {
+ set hoverx $x
+ set hovery $y
+ if {[info exists hovertimer]} {
+ after cancel $hovertimer
+ }
+ set hovertimer [after 500 linehover]
+ }
+}
+
+proc lineleave {id} {
+ global hoverid hovertimer canv
+
+ if {[info exists hoverid] && $id == $hoverid} {
+ $canv delete hover
+ if {[info exists hovertimer]} {
+ after cancel $hovertimer
+ unset hovertimer
+ }
+ unset hoverid
+ }
+}
+
+proc linehover {} {
+ global hoverx hovery hoverid hovertimer
+ global canv linespc lthickness
+ global commitinfo
+
+ set text [lindex $commitinfo($hoverid) 0]
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax == {}} return
+ set yfrac [lindex [$canv yview] 0]
+ set x [expr {$hoverx + 2 * $linespc}]
+ set y [expr {$hovery + $yfrac * $ymax - $linespc / 2}]
+ set x0 [expr {$x - 2 * $lthickness}]
+ set y0 [expr {$y - 2 * $lthickness}]
+ set x1 [expr {$x + [font measure mainfont $text] + 2 * $lthickness}]
+ set y1 [expr {$y + $linespc + 2 * $lthickness}]
+ set t [$canv create rectangle $x0 $y0 $x1 $y1 \
+ -fill \#ffff80 -outline black -width 1 -tags hover]
+ $canv raise $t
+ set t [$canv create text $x $y -anchor nw -text $text -tags hover \
+ -font mainfont]
+ $canv raise $t
+}
+
+proc clickisonarrow {id y} {
+ global lthickness
+
+ set ranges [rowranges $id]
+ set thresh [expr {2 * $lthickness + 6}]
+ set n [expr {[llength $ranges] - 1}]
+ for {set i 1} {$i < $n} {incr i} {
+ set row [lindex $ranges $i]
+ if {abs([yc $row] - $y) < $thresh} {
+ return $i
+ }
+ }
+ return {}
+}
+
+proc arrowjump {id n y} {
+ global canv
+
+ # 1 <-> 2, 3 <-> 4, etc...
+ set n [expr {(($n - 1) ^ 1) + 1}]
+ set row [lindex [rowranges $id] $n]
+ set yt [yc $row]
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax eq {} || $ymax <= 0} return
+ set view [$canv yview]
+ set yspan [expr {[lindex $view 1] - [lindex $view 0]}]
+ set yfrac [expr {$yt / $ymax - $yspan / 2}]
+ if {$yfrac < 0} {
+ set yfrac 0
+ }
+ allcanvs yview moveto $yfrac
+}
+
+proc lineclick {x y id isnew} {
+ global ctext commitinfo children canv thickerline curview
+
+ if {![info exists commitinfo($id)] && ![getcommit $id]} return
+ unmarkmatches
+ unselectline
+ normalline
+ $canv delete hover
+ # draw this line thicker than normal
+ set thickerline $id
+ drawlines $id
+ if {$isnew} {
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax eq {}} return
+ set yfrac [lindex [$canv yview] 0]
+ set y [expr {$y + $yfrac * $ymax}]
+ }
+ set dirn [clickisonarrow $id $y]
+ if {$dirn ne {}} {
+ arrowjump $id $dirn $y
+ return
+ }
+
+ if {$isnew} {
+ addtohistory [list lineclick $x $y $id 0] savectextpos
+ }
+ # fill the details pane with info about this line
+ $ctext conf -state normal
+ clear_ctext
+ settabs 0
+ $ctext insert end "[mc "Parent"]:\t"
+ $ctext insert end $id link0
+ setlink $id link0
+ set info $commitinfo($id)
+ $ctext insert end "\n\t[lindex $info 0]\n"
+ $ctext insert end "\t[mc "Author"]:\t[lindex $info 1]\n"
+ set date [formatdate [lindex $info 2]]
+ $ctext insert end "\t[mc "Date"]:\t$date\n"
+ set kids $children($curview,$id)
+ if {$kids ne {}} {
+ $ctext insert end "\n[mc "Children"]:"
+ set i 0
+ foreach child $kids {
+ incr i
+ if {![info exists commitinfo($child)] && ![getcommit $child]} continue
+ set info $commitinfo($child)
+ $ctext insert end "\n\t"
+ $ctext insert end $child link$i
+ setlink $child link$i
+ $ctext insert end "\n\t[lindex $info 0]"
+ $ctext insert end "\n\t[mc "Author"]:\t[lindex $info 1]"
+ set date [formatdate [lindex $info 2]]
+ $ctext insert end "\n\t[mc "Date"]:\t$date\n"
+ }
+ }
+ maybe_scroll_ctext 1
+ $ctext conf -state disabled
+ init_flist {}
+}
+
+proc normalline {} {
+ global thickerline
+ if {[info exists thickerline]} {
+ set id $thickerline
+ unset thickerline
+ drawlines $id
+ }
+}
+
+proc selbyid {id {isnew 1}} {
+ global curview
+ if {[commitinview $id $curview]} {
+ selectline [rowofcommit $id] $isnew
+ }
+}
+
+proc mstime {} {
+ global startmstime
+ if {![info exists startmstime]} {
+ set startmstime [clock clicks -milliseconds]
+ }
+ return [format "%.3f" [expr {([clock click -milliseconds] - $startmstime) / 1000.0}]]
+}
+
+proc rowmenu {x y id} {
+ global rowctxmenu selectedline rowmenuid curview
+ global nullid nullid2 fakerowmenu mainhead markedid
+
+ stopfinding
+ set rowmenuid $id
+ if {$selectedline eq {} || [rowofcommit $id] eq $selectedline} {
+ set state disabled
+ } else {
+ set state normal
+ }
+ if {$id ne $nullid && $id ne $nullid2} {
+ set menu $rowctxmenu
+ if {$mainhead ne {}} {
+ $menu entryconfigure 7 -label [mc "Reset %s branch to here" $mainhead] -state normal
+ } else {
+ $menu entryconfigure 7 -label [mc "Detached head: can't reset" $mainhead] -state disabled
+ }
+ if {[info exists markedid] && $markedid ne $id} {
+ $menu entryconfigure 9 -state normal
+ $menu entryconfigure 10 -state normal
+ $menu entryconfigure 11 -state normal
+ } else {
+ $menu entryconfigure 9 -state disabled
+ $menu entryconfigure 10 -state disabled
+ $menu entryconfigure 11 -state disabled
+ }
+ } else {
+ set menu $fakerowmenu
+ }
+ $menu entryconfigure [mca "Diff this -> selected"] -state $state
+ $menu entryconfigure [mca "Diff selected -> this"] -state $state
+ $menu entryconfigure [mca "Make patch"] -state $state
+ tk_popup $menu $x $y
+}
+
+proc markhere {} {
+ global rowmenuid markedid canv
+
+ set markedid $rowmenuid
+ make_idmark $markedid
+}
+
+proc gotomark {} {
+ global markedid
+
+ if {[info exists markedid]} {
+ selbyid $markedid
+ }
+}
+
+proc replace_by_kids {l r} {
+ global curview children
+
+ set id [commitonrow $r]
+ set l [lreplace $l 0 0]
+ foreach kid $children($curview,$id) {
+ lappend l [rowofcommit $kid]
+ }
+ return [lsort -integer -decreasing -unique $l]
+}
+
+proc find_common_desc {} {
+ global markedid rowmenuid curview children
+
+ if {![info exists markedid]} return
+ if {![commitinview $markedid $curview] ||
+ ![commitinview $rowmenuid $curview]} return
+ #set t1 [clock clicks -milliseconds]
+ set l1 [list [rowofcommit $markedid]]
+ set l2 [list [rowofcommit $rowmenuid]]
+ while 1 {
+ set r1 [lindex $l1 0]
+ set r2 [lindex $l2 0]
+ if {$r1 eq {} || $r2 eq {}} break
+ if {$r1 == $r2} {
+ selectline $r1 1
+ break
+ }
+ if {$r1 > $r2} {
+ set l1 [replace_by_kids $l1 $r1]
+ } else {
+ set l2 [replace_by_kids $l2 $r2]
+ }
+ }
+ #set t2 [clock clicks -milliseconds]
+ #puts "took [expr {$t2-$t1}]ms"
+}
+
+proc compare_commits {} {
+ global markedid rowmenuid curview children
+
+ if {![info exists markedid]} return
+ if {![commitinview $markedid $curview]} return
+ addtohistory [list do_cmp_commits $markedid $rowmenuid]
+ do_cmp_commits $markedid $rowmenuid
+}
+
+proc getpatchid {id} {
+ global patchids
+
+ if {![info exists patchids($id)]} {
+ set cmd [diffcmd [list $id] {-p --root}]
+ # trim off the initial "|"
+ set cmd [lrange $cmd 1 end]
+ if {[catch {
+ set x [eval exec $cmd | git patch-id]
+ set patchids($id) [lindex $x 0]
+ }]} {
+ set patchids($id) "error"
+ }
+ }
+ return $patchids($id)
+}
+
+proc do_cmp_commits {a b} {
+ global ctext curview parents children patchids commitinfo
+
+ $ctext conf -state normal
+ clear_ctext
+ init_flist {}
+ for {set i 0} {$i < 100} {incr i} {
+ set skipa 0
+ set skipb 0
+ if {[llength $parents($curview,$a)] > 1} {
+ appendshortlink $a [mc "Skipping merge commit "] "\n"
+ set skipa 1
+ } else {
+ set patcha [getpatchid $a]
+ }
+ if {[llength $parents($curview,$b)] > 1} {
+ appendshortlink $b [mc "Skipping merge commit "] "\n"
+ set skipb 1
+ } else {
+ set patchb [getpatchid $b]
+ }
+ if {!$skipa && !$skipb} {
+ set heada [lindex $commitinfo($a) 0]
+ set headb [lindex $commitinfo($b) 0]
+ if {$patcha eq "error"} {
+ appendshortlink $a [mc "Error getting patch ID for "] \
+ [mc " - stopping\n"]
+ break
+ }
+ if {$patchb eq "error"} {
+ appendshortlink $b [mc "Error getting patch ID for "] \
+ [mc " - stopping\n"]
+ break
+ }
+ if {$patcha eq $patchb} {
+ if {$heada eq $headb} {
+ appendshortlink $a [mc "Commit "]
+ appendshortlink $b " == " " $heada\n"
+ } else {
+ appendshortlink $a [mc "Commit "] " $heada\n"
+ appendshortlink $b [mc " is the same patch as\n "] \
+ " $headb\n"
+ }
+ set skipa 1
+ set skipb 1
+ } else {
+ $ctext insert end "\n"
+ appendshortlink $a [mc "Commit "] " $heada\n"
+ appendshortlink $b [mc " differs from\n "] \
+ " $headb\n"
+ $ctext insert end [mc "Diff of commits:\n\n"]
+ $ctext conf -state disabled
+ update
+ diffcommits $a $b
+ return
+ }
+ }
+ if {$skipa} {
+ set kids [real_children $curview,$a]
+ if {[llength $kids] != 1} {
+ $ctext insert end "\n"
+ appendshortlink $a [mc "Commit "] \
+ [mc " has %s children - stopping\n" [llength $kids]]
+ break
+ }
+ set a [lindex $kids 0]
+ }
+ if {$skipb} {
+ set kids [real_children $curview,$b]
+ if {[llength $kids] != 1} {
+ appendshortlink $b [mc "Commit "] \
+ [mc " has %s children - stopping\n" [llength $kids]]
+ break
+ }
+ set b [lindex $kids 0]
+ }
+ }
+ $ctext conf -state disabled
+}
+
+proc diffcommits {a b} {
+ global diffcontext diffids blobdifffd diffinhdr
+
+ set tmpdir [gitknewtmpdir]
+ set fna [file join $tmpdir "commit-[string range $a 0 7]"]
+ set fnb [file join $tmpdir "commit-[string range $b 0 7]"]
+ if {[catch {
+ exec git diff-tree -p --pretty $a >$fna
+ exec git diff-tree -p --pretty $b >$fnb
+ } err]} {
+ error_popup [mc "Error writing commit to file: %s" $err]
+ return
+ }
+ if {[catch {
+ set fd [open "| diff -U$diffcontext $fna $fnb" r]
+ } err]} {
+ error_popup [mc "Error diffing commits: %s" $err]
+ return
+ }
+ set diffids [list commits $a $b]
+ set blobdifffd($diffids) $fd
+ set diffinhdr 0
+ filerun $fd [list getblobdiffline $fd $diffids]
+}
+
+proc diffvssel {dirn} {
+ global rowmenuid selectedline
+
+ if {$selectedline eq {}} return
+ if {$dirn} {
+ set oldid [commitonrow $selectedline]
+ set newid $rowmenuid
+ } else {
+ set oldid $rowmenuid
+ set newid [commitonrow $selectedline]
+ }
+ addtohistory [list doseldiff $oldid $newid] savectextpos
+ doseldiff $oldid $newid
+}
+
+proc doseldiff {oldid newid} {
+ global ctext
+ global commitinfo
+
+ $ctext conf -state normal
+ clear_ctext
+ init_flist [mc "Top"]
+ $ctext insert end "[mc "From"] "
+ $ctext insert end $oldid link0
+ setlink $oldid link0
+ $ctext insert end "\n "
+ $ctext insert end [lindex $commitinfo($oldid) 0]
+ $ctext insert end "\n\n[mc "To"] "
+ $ctext insert end $newid link1
+ setlink $newid link1
+ $ctext insert end "\n "
+ $ctext insert end [lindex $commitinfo($newid) 0]
+ $ctext insert end "\n"
+ $ctext conf -state disabled
+ $ctext tag remove found 1.0 end
+ startdiff [list $oldid $newid]
+}
+
+proc mkpatch {} {
+ global rowmenuid currentid commitinfo patchtop patchnum NS
+
+ if {![info exists currentid]} return
+ set oldid $currentid
+ set oldhead [lindex $commitinfo($oldid) 0]
+ set newid $rowmenuid
+ set newhead [lindex $commitinfo($newid) 0]
+ set top .patch
+ set patchtop $top
+ catch {destroy $top}
+ ttk_toplevel $top
+ make_transient $top .
+ ${NS}::label $top.title -text [mc "Generate patch"]
+ grid $top.title - -pady 10
+ ${NS}::label $top.from -text [mc "From:"]
+ ${NS}::entry $top.fromsha1 -width 40
+ $top.fromsha1 insert 0 $oldid
+ $top.fromsha1 conf -state readonly
+ grid $top.from $top.fromsha1 -sticky w
+ ${NS}::entry $top.fromhead -width 60
+ $top.fromhead insert 0 $oldhead
+ $top.fromhead conf -state readonly
+ grid x $top.fromhead -sticky w
+ ${NS}::label $top.to -text [mc "To:"]
+ ${NS}::entry $top.tosha1 -width 40
+ $top.tosha1 insert 0 $newid
+ $top.tosha1 conf -state readonly
+ grid $top.to $top.tosha1 -sticky w
+ ${NS}::entry $top.tohead -width 60
+ $top.tohead insert 0 $newhead
+ $top.tohead conf -state readonly
+ grid x $top.tohead -sticky w
+ ${NS}::button $top.rev -text [mc "Reverse"] -command mkpatchrev
+ grid $top.rev x -pady 10 -padx 5
+ ${NS}::label $top.flab -text [mc "Output file:"]
+ ${NS}::entry $top.fname -width 60
+ $top.fname insert 0 [file normalize "patch$patchnum.patch"]
+ incr patchnum
+ grid $top.flab $top.fname -sticky w
+ ${NS}::frame $top.buts
+ ${NS}::button $top.buts.gen -text [mc "Generate"] -command mkpatchgo
+ ${NS}::button $top.buts.can -text [mc "Cancel"] -command mkpatchcan
+ bind $top <Key-Return> mkpatchgo
+ bind $top <Key-Escape> mkpatchcan
+ grid $top.buts.gen $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid $top.buts - -pady 10 -sticky ew
+ focus $top.fname
+}
+
+proc mkpatchrev {} {
+ global patchtop
+
+ set oldid [$patchtop.fromsha1 get]
+ set oldhead [$patchtop.fromhead get]
+ set newid [$patchtop.tosha1 get]
+ set newhead [$patchtop.tohead get]
+ foreach e [list fromsha1 fromhead tosha1 tohead] \
+ v [list $newid $newhead $oldid $oldhead] {
+ $patchtop.$e conf -state normal
+ $patchtop.$e delete 0 end
+ $patchtop.$e insert 0 $v
+ $patchtop.$e conf -state readonly
+ }
+}
+
+proc mkpatchgo {} {
+ global patchtop nullid nullid2
+
+ set oldid [$patchtop.fromsha1 get]
+ set newid [$patchtop.tosha1 get]
+ set fname [$patchtop.fname get]
+ set cmd [diffcmd [list $oldid $newid] -p]
+ # trim off the initial "|"
+ set cmd [lrange $cmd 1 end]
+ lappend cmd >$fname &
+ if {[catch {eval exec $cmd} err]} {
+ error_popup "[mc "Error creating patch:"] $err" $patchtop
+ }
+ catch {destroy $patchtop}
+ unset patchtop
+}
+
+proc mkpatchcan {} {
+ global patchtop
+
+ catch {destroy $patchtop}
+ unset patchtop
+}
+
+proc mktag {} {
+ global rowmenuid mktagtop commitinfo NS
+
+ set top .maketag
+ set mktagtop $top
+ catch {destroy $top}
+ ttk_toplevel $top
+ make_transient $top .
+ ${NS}::label $top.title -text [mc "Create tag"]
+ grid $top.title - -pady 10
+ ${NS}::label $top.id -text [mc "ID:"]
+ ${NS}::entry $top.sha1 -width 40
+ $top.sha1 insert 0 $rowmenuid
+ $top.sha1 conf -state readonly
+ grid $top.id $top.sha1 -sticky w
+ ${NS}::entry $top.head -width 60
+ $top.head insert 0 [lindex $commitinfo($rowmenuid) 0]
+ $top.head conf -state readonly
+ grid x $top.head -sticky w
+ ${NS}::label $top.tlab -text [mc "Tag name:"]
+ ${NS}::entry $top.tag -width 60
+ grid $top.tlab $top.tag -sticky w
+ ${NS}::label $top.op -text [mc "Tag message is optional"]
+ grid $top.op -columnspan 2 -sticky we
+ ${NS}::label $top.mlab -text [mc "Tag message:"]
+ ${NS}::entry $top.msg -width 60
+ grid $top.mlab $top.msg -sticky w
+ ${NS}::frame $top.buts
+ ${NS}::button $top.buts.gen -text [mc "Create"] -command mktaggo
+ ${NS}::button $top.buts.can -text [mc "Cancel"] -command mktagcan
+ bind $top <Key-Return> mktaggo
+ bind $top <Key-Escape> mktagcan
+ grid $top.buts.gen $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid $top.buts - -pady 10 -sticky ew
+ focus $top.tag
+}
+
+proc domktag {} {
+ global mktagtop env tagids idtags
+
+ set id [$mktagtop.sha1 get]
+ set tag [$mktagtop.tag get]
+ set msg [$mktagtop.msg get]
+ if {$tag == {}} {
+ error_popup [mc "No tag name specified"] $mktagtop
+ return 0
+ }
+ if {[info exists tagids($tag)]} {
+ error_popup [mc "Tag \"%s\" already exists" $tag] $mktagtop
+ return 0
+ }
+ if {[catch {
+ if {$msg != {}} {
+ exec git tag -a -m $msg $tag $id
+ } else {
+ exec git tag $tag $id
+ }
+ } err]} {
+ error_popup "[mc "Error creating tag:"] $err" $mktagtop
+ return 0
+ }
+
+ set tagids($tag) $id
+ lappend idtags($id) $tag
+ redrawtags $id
+ addedtag $id
+ dispneartags 0
+ run refill_reflist
+ return 1
+}
+
+proc redrawtags {id} {
+ global canv linehtag idpos currentid curview cmitlisted markedid
+ global canvxmax iddrawn circleitem mainheadid circlecolors
+
+ if {![commitinview $id $curview]} return
+ if {![info exists iddrawn($id)]} return
+ set row [rowofcommit $id]
+ if {$id eq $mainheadid} {
+ set ofill yellow
+ } else {
+ set ofill [lindex $circlecolors $cmitlisted($curview,$id)]
+ }
+ $canv itemconf $circleitem($row) -fill $ofill
+ $canv delete tag.$id
+ set xt [eval drawtags $id $idpos($id)]
+ $canv coords $linehtag($id) $xt [lindex $idpos($id) 2]
+ set text [$canv itemcget $linehtag($id) -text]
+ set font [$canv itemcget $linehtag($id) -font]
+ set xr [expr {$xt + [font measure $font $text]}]
+ if {$xr > $canvxmax} {
+ set canvxmax $xr
+ setcanvscroll
+ }
+ if {[info exists currentid] && $currentid == $id} {
+ make_secsel $id
+ }
+ if {[info exists markedid] && $markedid eq $id} {
+ make_idmark $id
+ }
+}
+
+proc mktagcan {} {
+ global mktagtop
+
+ catch {destroy $mktagtop}
+ unset mktagtop
+}
+
+proc mktaggo {} {
+ if {![domktag]} return
+ mktagcan
+}
+
+proc writecommit {} {
+ global rowmenuid wrcomtop commitinfo wrcomcmd NS
+
+ set top .writecommit
+ set wrcomtop $top
+ catch {destroy $top}
+ ttk_toplevel $top
+ make_transient $top .
+ ${NS}::label $top.title -text [mc "Write commit to file"]
+ grid $top.title - -pady 10
+ ${NS}::label $top.id -text [mc "ID:"]
+ ${NS}::entry $top.sha1 -width 40
+ $top.sha1 insert 0 $rowmenuid
+ $top.sha1 conf -state readonly
+ grid $top.id $top.sha1 -sticky w
+ ${NS}::entry $top.head -width 60
+ $top.head insert 0 [lindex $commitinfo($rowmenuid) 0]
+ $top.head conf -state readonly
+ grid x $top.head -sticky w
+ ${NS}::label $top.clab -text [mc "Command:"]
+ ${NS}::entry $top.cmd -width 60 -textvariable wrcomcmd
+ grid $top.clab $top.cmd -sticky w -pady 10
+ ${NS}::label $top.flab -text [mc "Output file:"]
+ ${NS}::entry $top.fname -width 60
+ $top.fname insert 0 [file normalize "commit-[string range $rowmenuid 0 6]"]
+ grid $top.flab $top.fname -sticky w
+ ${NS}::frame $top.buts
+ ${NS}::button $top.buts.gen -text [mc "Write"] -command wrcomgo
+ ${NS}::button $top.buts.can -text [mc "Cancel"] -command wrcomcan
+ bind $top <Key-Return> wrcomgo
+ bind $top <Key-Escape> wrcomcan
+ grid $top.buts.gen $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid $top.buts - -pady 10 -sticky ew
+ focus $top.fname
+}
+
+proc wrcomgo {} {
+ global wrcomtop
+
+ set id [$wrcomtop.sha1 get]
+ set cmd "echo $id | [$wrcomtop.cmd get]"
+ set fname [$wrcomtop.fname get]
+ if {[catch {exec sh -c $cmd >$fname &} err]} {
+ error_popup "[mc "Error writing commit:"] $err" $wrcomtop
+ }
+ catch {destroy $wrcomtop}
+ unset wrcomtop
+}
+
+proc wrcomcan {} {
+ global wrcomtop
+
+ catch {destroy $wrcomtop}
+ unset wrcomtop
+}
+
+proc mkbranch {} {
+ global rowmenuid mkbrtop NS
+
+ set top .makebranch
+ catch {destroy $top}
+ ttk_toplevel $top
+ make_transient $top .
+ ${NS}::label $top.title -text [mc "Create new branch"]
+ grid $top.title - -pady 10
+ ${NS}::label $top.id -text [mc "ID:"]
+ ${NS}::entry $top.sha1 -width 40
+ $top.sha1 insert 0 $rowmenuid
+ $top.sha1 conf -state readonly
+ grid $top.id $top.sha1 -sticky w
+ ${NS}::label $top.nlab -text [mc "Name:"]
+ ${NS}::entry $top.name -width 40
+ grid $top.nlab $top.name -sticky w
+ ${NS}::frame $top.buts
+ ${NS}::button $top.buts.go -text [mc "Create"] -command [list mkbrgo $top]
+ ${NS}::button $top.buts.can -text [mc "Cancel"] -command "catch {destroy $top}"
+ bind $top <Key-Return> [list mkbrgo $top]
+ bind $top <Key-Escape> "catch {destroy $top}"
+ grid $top.buts.go $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid $top.buts - -pady 10 -sticky ew
+ focus $top.name
+}
+
+proc mkbrgo {top} {
+ global headids idheads
+
+ set name [$top.name get]
+ set id [$top.sha1 get]
+ set cmdargs {}
+ set old_id {}
+ if {$name eq {}} {
+ error_popup [mc "Please specify a name for the new branch"] $top
+ return
+ }
+ if {[info exists headids($name)]} {
+ if {![confirm_popup [mc \
+ "Branch '%s' already exists. Overwrite?" $name] $top]} {
+ return
+ }
+ set old_id $headids($name)
+ lappend cmdargs -f
+ }
+ catch {destroy $top}
+ lappend cmdargs $name $id
+ nowbusy newbranch
+ update
+ if {[catch {
+ eval exec git branch $cmdargs
+ } err]} {
+ notbusy newbranch
+ error_popup $err
+ } else {
+ notbusy newbranch
+ if {$old_id ne {}} {
+ movehead $id $name
+ movedhead $id $name
+ redrawtags $old_id
+ redrawtags $id
+ } else {
+ set headids($name) $id
+ lappend idheads($id) $name
+ addedhead $id $name
+ redrawtags $id
+ }
+ dispneartags 0
+ run refill_reflist
+ }
+}
+
+proc exec_citool {tool_args {baseid {}}} {
+ global commitinfo env
+
+ set save_env [array get env GIT_AUTHOR_*]
+
+ if {$baseid ne {}} {
+ if {![info exists commitinfo($baseid)]} {
+ getcommit $baseid
+ }
+ set author [lindex $commitinfo($baseid) 1]
+ set date [lindex $commitinfo($baseid) 2]
+ if {[regexp {^\s*(\S.*\S|\S)\s*<(.*)>\s*$} \
+ $author author name email]
+ && $date ne {}} {
+ set env(GIT_AUTHOR_NAME) $name
+ set env(GIT_AUTHOR_EMAIL) $email
+ set env(GIT_AUTHOR_DATE) $date
+ }
+ }
+
+ eval exec git citool $tool_args &
+
+ array unset env GIT_AUTHOR_*
+ array set env $save_env
+}
+
+proc cherrypick {} {
+ global rowmenuid curview
+ global mainhead mainheadid
+
+ set oldhead [exec git rev-parse HEAD]
+ set dheads [descheads $rowmenuid]
+ if {$dheads ne {} && [lsearch -exact $dheads $oldhead] >= 0} {
+ set ok [confirm_popup [mc "Commit %s is already\
+ included in branch %s -- really re-apply it?" \
+ [string range $rowmenuid 0 7] $mainhead]]
+ if {!$ok} return
+ }
+ nowbusy cherrypick [mc "Cherry-picking"]
+ update
+ # Unfortunately git-cherry-pick writes stuff to stderr even when
+ # no error occurs, and exec takes that as an indication of error...
+ if {[catch {exec sh -c "git cherry-pick -r $rowmenuid 2>&1"} err]} {
+ notbusy cherrypick
+ if {[regexp -line \
+ {Entry '(.*)' (would be overwritten by merge|not uptodate)} \
+ $err msg fname]} {
+ error_popup [mc "Cherry-pick failed because of local changes\
+ to file '%s'.\nPlease commit, reset or stash\
+ your changes and try again." $fname]
+ } elseif {[regexp -line \
+ {^(CONFLICT \(.*\):|Automatic cherry-pick failed)} \
+ $err]} {
+ if {[confirm_popup [mc "Cherry-pick failed because of merge\
+ conflict.\nDo you wish to run git citool to\
+ resolve it?"]]} {
+ # Force citool to read MERGE_MSG
+ file delete [file join [gitdir] "GITGUI_MSG"]
+ exec_citool {} $rowmenuid
+ }
+ } else {
+ error_popup $err
+ }
+ run updatecommits
+ return
+ }
+ set newhead [exec git rev-parse HEAD]
+ if {$newhead eq $oldhead} {
+ notbusy cherrypick
+ error_popup [mc "No changes committed"]
+ return
+ }
+ addnewchild $newhead $oldhead
+ if {[commitinview $oldhead $curview]} {
+ # XXX this isn't right if we have a path limit...
+ insertrow $newhead $oldhead $curview
+ if {$mainhead ne {}} {
+ movehead $newhead $mainhead
+ movedhead $newhead $mainhead
+ }
+ set mainheadid $newhead
+ redrawtags $oldhead
+ redrawtags $newhead
+ selbyid $newhead
+ }
+ notbusy cherrypick
+}
+
+proc resethead {} {
+ global mainhead rowmenuid confirm_ok resettype NS
+
+ set confirm_ok 0
+ set w ".confirmreset"
+ ttk_toplevel $w
+ make_transient $w .
+ wm title $w [mc "Confirm reset"]
+ ${NS}::label $w.m -text \
+ [mc "Reset branch %s to %s?" $mainhead [string range $rowmenuid 0 7]]
+ pack $w.m -side top -fill x -padx 20 -pady 20
+ ${NS}::labelframe $w.f -text [mc "Reset type:"]
+ set resettype mixed
+ ${NS}::radiobutton $w.f.soft -value soft -variable resettype \
+ -text [mc "Soft: Leave working tree and index untouched"]
+ grid $w.f.soft -sticky w
+ ${NS}::radiobutton $w.f.mixed -value mixed -variable resettype \
+ -text [mc "Mixed: Leave working tree untouched, reset index"]
+ grid $w.f.mixed -sticky w
+ ${NS}::radiobutton $w.f.hard -value hard -variable resettype \
+ -text [mc "Hard: Reset working tree and index\n(discard ALL local changes)"]
+ grid $w.f.hard -sticky w
+ pack $w.f -side top -fill x -padx 4
+ ${NS}::button $w.ok -text [mc OK] -command "set confirm_ok 1; destroy $w"
+ pack $w.ok -side left -fill x -padx 20 -pady 20
+ ${NS}::button $w.cancel -text [mc Cancel] -command "destroy $w"
+ bind $w <Key-Escape> [list destroy $w]
+ pack $w.cancel -side right -fill x -padx 20 -pady 20
+ bind $w <Visibility> "grab $w; focus $w"
+ tkwait window $w
+ if {!$confirm_ok} return
+ if {[catch {set fd [open \
+ [list | git reset --$resettype $rowmenuid 2>@1] r]} err]} {
+ error_popup $err
+ } else {
+ dohidelocalchanges
+ filerun $fd [list readresetstat $fd]
+ nowbusy reset [mc "Resetting"]
+ selbyid $rowmenuid
+ }
+}
+
+proc readresetstat {fd} {
+ global mainhead mainheadid showlocalchanges rprogcoord
+
+ if {[gets $fd line] >= 0} {
+ if {[regexp {([0-9]+)% \(([0-9]+)/([0-9]+)\)} $line match p m n]} {
+ set rprogcoord [expr {1.0 * $m / $n}]
+ adjustprogress
+ }
+ return 1
+ }
+ set rprogcoord 0
+ adjustprogress
+ notbusy reset
+ if {[catch {close $fd} err]} {
+ error_popup $err
+ }
+ set oldhead $mainheadid
+ set newhead [exec git rev-parse HEAD]
+ if {$newhead ne $oldhead} {
+ movehead $newhead $mainhead
+ movedhead $newhead $mainhead
+ set mainheadid $newhead
+ redrawtags $oldhead
+ redrawtags $newhead
+ }
+ if {$showlocalchanges} {
+ doshowlocalchanges
+ }
+ return 0
+}
+
+# context menu for a head
+proc headmenu {x y id head} {
+ global headmenuid headmenuhead headctxmenu mainhead
+
+ stopfinding
+ set headmenuid $id
+ set headmenuhead $head
+ set state normal
+ if {[string match "remotes/*" $head]} {
+ set state disabled
+ }
+ if {$head eq $mainhead} {
+ set state disabled
+ }
+ $headctxmenu entryconfigure 0 -state $state
+ $headctxmenu entryconfigure 1 -state $state
+ tk_popup $headctxmenu $x $y
+}
+
+proc cobranch {} {
+ global headmenuid headmenuhead headids
+ global showlocalchanges
+
+ # check the tree is clean first??
+ nowbusy checkout [mc "Checking out"]
+ update
+ dohidelocalchanges
+ if {[catch {
+ set fd [open [list | git checkout $headmenuhead 2>@1] r]
+ } err]} {
+ notbusy checkout
+ error_popup $err
+ if {$showlocalchanges} {
+ dodiffindex
+ }
+ } else {
+ filerun $fd [list readcheckoutstat $fd $headmenuhead $headmenuid]
+ }
+}
+
+proc readcheckoutstat {fd newhead newheadid} {
+ global mainhead mainheadid headids showlocalchanges progresscoords
+ global viewmainheadid curview
+
+ if {[gets $fd line] >= 0} {
+ if {[regexp {([0-9]+)% \(([0-9]+)/([0-9]+)\)} $line match p m n]} {
+ set progresscoords [list 0 [expr {1.0 * $m / $n}]]
+ adjustprogress
+ }
+ return 1
+ }
+ set progresscoords {0 0}
+ adjustprogress
+ notbusy checkout
+ if {[catch {close $fd} err]} {
+ error_popup $err
+ }
+ set oldmainid $mainheadid
+ set mainhead $newhead
+ set mainheadid $newheadid
+ set viewmainheadid($curview) $newheadid
+ redrawtags $oldmainid
+ redrawtags $newheadid
+ selbyid $newheadid
+ if {$showlocalchanges} {
+ dodiffindex
+ }
+}
+
+proc rmbranch {} {
+ global headmenuid headmenuhead mainhead
+ global idheads
+
+ set head $headmenuhead
+ set id $headmenuid
+ # this check shouldn't be needed any more...
+ if {$head eq $mainhead} {
+ error_popup [mc "Cannot delete the currently checked-out branch"]
+ return
+ }
+ set dheads [descheads $id]
+ if {[llength $dheads] == 1 && $idheads($dheads) eq $head} {
+ # the stuff on this branch isn't on any other branch
+ if {![confirm_popup [mc "The commits on branch %s aren't on any other\
+ branch.\nReally delete branch %s?" $head $head]]} return
+ }
+ nowbusy rmbranch
+ update
+ if {[catch {exec git branch -D $head} err]} {
+ notbusy rmbranch
+ error_popup $err
+ return
+ }
+ removehead $id $head
+ removedhead $id $head
+ redrawtags $id
+ notbusy rmbranch
+ dispneartags 0
+ run refill_reflist
+}
+
+# Display a list of tags and heads
+proc showrefs {} {
+ global showrefstop bgcolor fgcolor selectbgcolor NS
+ global bglist fglist reflistfilter reflist maincursor
+
+ set top .showrefs
+ set showrefstop $top
+ if {[winfo exists $top]} {
+ raise $top
+ refill_reflist
+ return
+ }
+ ttk_toplevel $top
+ wm title $top [mc "Tags and heads: %s" [file tail [pwd]]]
+ make_transient $top .
+ text $top.list -background $bgcolor -foreground $fgcolor \
+ -selectbackground $selectbgcolor -font mainfont \
+ -xscrollcommand "$top.xsb set" -yscrollcommand "$top.ysb set" \
+ -width 30 -height 20 -cursor $maincursor \
+ -spacing1 1 -spacing3 1 -state disabled
+ $top.list tag configure highlight -background $selectbgcolor
+ lappend bglist $top.list
+ lappend fglist $top.list
+ ${NS}::scrollbar $top.ysb -command "$top.list yview" -orient vertical
+ ${NS}::scrollbar $top.xsb -command "$top.list xview" -orient horizontal
+ grid $top.list $top.ysb -sticky nsew
+ grid $top.xsb x -sticky ew
+ ${NS}::frame $top.f
+ ${NS}::label $top.f.l -text "[mc "Filter"]: "
+ ${NS}::entry $top.f.e -width 20 -textvariable reflistfilter
+ set reflistfilter "*"
+ trace add variable reflistfilter write reflistfilter_change
+ pack $top.f.e -side right -fill x -expand 1
+ pack $top.f.l -side left
+ grid $top.f - -sticky ew -pady 2
+ ${NS}::button $top.close -command [list destroy $top] -text [mc "Close"]
+ bind $top <Key-Escape> [list destroy $top]
+ grid $top.close -
+ grid columnconfigure $top 0 -weight 1
+ grid rowconfigure $top 0 -weight 1
+ bind $top.list <1> {break}
+ bind $top.list <B1-Motion> {break}
+ bind $top.list <ButtonRelease-1> {sel_reflist %W %x %y; break}
+ set reflist {}
+ refill_reflist
+}
+
+proc sel_reflist {w x y} {
+ global showrefstop reflist headids tagids otherrefids
+
+ if {![winfo exists $showrefstop]} return
+ set l [lindex [split [$w index "@$x,$y"] "."] 0]
+ set ref [lindex $reflist [expr {$l-1}]]
+ set n [lindex $ref 0]
+ switch -- [lindex $ref 1] {
+ "H" {selbyid $headids($n)}
+ "T" {selbyid $tagids($n)}
+ "o" {selbyid $otherrefids($n)}
+ }
+ $showrefstop.list tag add highlight $l.0 "$l.0 lineend"
+}
+
+proc unsel_reflist {} {
+ global showrefstop
+
+ if {![info exists showrefstop] || ![winfo exists $showrefstop]} return
+ $showrefstop.list tag remove highlight 0.0 end
+}
+
+proc reflistfilter_change {n1 n2 op} {
+ global reflistfilter
+
+ after cancel refill_reflist
+ after 200 refill_reflist
+}
+
+proc refill_reflist {} {
+ global reflist reflistfilter showrefstop headids tagids otherrefids
+ global curview
+
+ if {![info exists showrefstop] || ![winfo exists $showrefstop]} return
+ set refs {}
+ foreach n [array names headids] {
+ if {[string match $reflistfilter $n]} {
+ if {[commitinview $headids($n) $curview]} {
+ lappend refs [list $n H]
+ } else {
+ interestedin $headids($n) {run refill_reflist}
+ }
+ }
+ }
+ foreach n [array names tagids] {
+ if {[string match $reflistfilter $n]} {
+ if {[commitinview $tagids($n) $curview]} {
+ lappend refs [list $n T]
+ } else {
+ interestedin $tagids($n) {run refill_reflist}
+ }
+ }
+ }
+ foreach n [array names otherrefids] {
+ if {[string match $reflistfilter $n]} {
+ if {[commitinview $otherrefids($n) $curview]} {
+ lappend refs [list $n o]
+ } else {
+ interestedin $otherrefids($n) {run refill_reflist}
+ }
+ }
+ }
+ set refs [lsort -index 0 $refs]
+ if {$refs eq $reflist} return
+
+ # Update the contents of $showrefstop.list according to the
+ # differences between $reflist (old) and $refs (new)
+ $showrefstop.list conf -state normal
+ $showrefstop.list insert end "\n"
+ set i 0
+ set j 0
+ while {$i < [llength $reflist] || $j < [llength $refs]} {
+ if {$i < [llength $reflist]} {
+ if {$j < [llength $refs]} {
+ set cmp [string compare [lindex $reflist $i 0] \
+ [lindex $refs $j 0]]
+ if {$cmp == 0} {
+ set cmp [string compare [lindex $reflist $i 1] \
+ [lindex $refs $j 1]]
+ }
+ } else {
+ set cmp -1
+ }
+ } else {
+ set cmp 1
+ }
+ switch -- $cmp {
+ -1 {
+ $showrefstop.list delete "[expr {$j+1}].0" "[expr {$j+2}].0"
+ incr i
+ }
+ 0 {
+ incr i
+ incr j
+ }
+ 1 {
+ set l [expr {$j + 1}]
+ $showrefstop.list image create $l.0 -align baseline \
+ -image reficon-[lindex $refs $j 1] -padx 2
+ $showrefstop.list insert $l.1 "[lindex $refs $j 0]\n"
+ incr j
+ }
+ }
+ }
+ set reflist $refs
+ # delete last newline
+ $showrefstop.list delete end-2c end-1c
+ $showrefstop.list conf -state disabled
+}
+
+# Stuff for finding nearby tags
+proc getallcommits {} {
+ global allcommits nextarc seeds allccache allcwait cachedarcs allcupdate
+ global idheads idtags idotherrefs allparents tagobjid
+
+ if {![info exists allcommits]} {
+ set nextarc 0
+ set allcommits 0
+ set seeds {}
+ set allcwait 0
+ set cachedarcs 0
+ set allccache [file join [gitdir] "gitk.cache"]
+ if {![catch {
+ set f [open $allccache r]
+ set allcwait 1
+ getcache $f
+ }]} return
+ }
+
+ if {$allcwait} {
+ return
+ }
+ set cmd [list | git rev-list --parents]
+ set allcupdate [expr {$seeds ne {}}]
+ if {!$allcupdate} {
+ set ids "--all"
+ } else {
+ set refs [concat [array names idheads] [array names idtags] \
+ [array names idotherrefs]]
+ set ids {}
+ set tagobjs {}
+ foreach name [array names tagobjid] {
+ lappend tagobjs $tagobjid($name)
+ }
+ foreach id [lsort -unique $refs] {
+ if {![info exists allparents($id)] &&
+ [lsearch -exact $tagobjs $id] < 0} {
+ lappend ids $id
+ }
+ }
+ if {$ids ne {}} {
+ foreach id $seeds {
+ lappend ids "^$id"
+ }
+ }
+ }
+ if {$ids ne {}} {
+ set fd [open [concat $cmd $ids] r]
+ fconfigure $fd -blocking 0
+ incr allcommits
+ nowbusy allcommits
+ filerun $fd [list getallclines $fd]
+ } else {
+ dispneartags 0
+ }
+}
+
+# Since most commits have 1 parent and 1 child, we group strings of
+# such commits into "arcs" joining branch/merge points (BMPs), which
+# are commits that either don't have 1 parent or don't have 1 child.
+#
+# arcnos(id) - incoming arcs for BMP, arc we're on for other nodes
+# arcout(id) - outgoing arcs for BMP
+# arcids(a) - list of IDs on arc including end but not start
+# arcstart(a) - BMP ID at start of arc
+# arcend(a) - BMP ID at end of arc
+# growing(a) - arc a is still growing
+# arctags(a) - IDs out of arcids (excluding end) that have tags
+# archeads(a) - IDs out of arcids (excluding end) that have heads
+# The start of an arc is at the descendent end, so "incoming" means
+# coming from descendents, and "outgoing" means going towards ancestors.
+
+proc getallclines {fd} {
+ global allparents allchildren idtags idheads nextarc
+ global arcnos arcids arctags arcout arcend arcstart archeads growing
+ global seeds allcommits cachedarcs allcupdate
+
+ set nid 0
+ while {[incr nid] <= 1000 && [gets $fd line] >= 0} {
+ set id [lindex $line 0]
+ if {[info exists allparents($id)]} {
+ # seen it already
+ continue
+ }
+ set cachedarcs 0
+ set olds [lrange $line 1 end]
+ set allparents($id) $olds
+ if {![info exists allchildren($id)]} {
+ set allchildren($id) {}
+ set arcnos($id) {}
+ lappend seeds $id
+ } else {
+ set a $arcnos($id)
+ if {[llength $olds] == 1 && [llength $a] == 1} {
+ lappend arcids($a) $id
+ if {[info exists idtags($id)]} {
+ lappend arctags($a) $id
+ }
+ if {[info exists idheads($id)]} {
+ lappend archeads($a) $id
+ }
+ if {[info exists allparents($olds)]} {
+ # seen parent already
+ if {![info exists arcout($olds)]} {
+ splitarc $olds
+ }
+ lappend arcids($a) $olds
+ set arcend($a) $olds
+ unset growing($a)
+ }
+ lappend allchildren($olds) $id
+ lappend arcnos($olds) $a
+ continue
+ }
+ }
+ foreach a $arcnos($id) {
+ lappend arcids($a) $id
+ set arcend($a) $id
+ unset growing($a)
+ }
+
+ set ao {}
+ foreach p $olds {
+ lappend allchildren($p) $id
+ set a [incr nextarc]
+ set arcstart($a) $id
+ set archeads($a) {}
+ set arctags($a) {}
+ set archeads($a) {}
+ set arcids($a) {}
+ lappend ao $a
+ set growing($a) 1
+ if {[info exists allparents($p)]} {
+ # seen it already, may need to make a new branch
+ if {![info exists arcout($p)]} {
+ splitarc $p
+ }
+ lappend arcids($a) $p
+ set arcend($a) $p
+ unset growing($a)
+ }
+ lappend arcnos($p) $a
+ }
+ set arcout($id) $ao
+ }
+ if {$nid > 0} {
+ global cached_dheads cached_dtags cached_atags
+ catch {unset cached_dheads}
+ catch {unset cached_dtags}
+ catch {unset cached_atags}
+ }
+ if {![eof $fd]} {
+ return [expr {$nid >= 1000? 2: 1}]
+ }
+ set cacheok 1
+ if {[catch {
+ fconfigure $fd -blocking 1
+ close $fd
+ } err]} {
+ # got an error reading the list of commits
+ # if we were updating, try rereading the whole thing again
+ if {$allcupdate} {
+ incr allcommits -1
+ dropcache $err
+ return
+ }
+ error_popup "[mc "Error reading commit topology information;\
+ branch and preceding/following tag information\
+ will be incomplete."]\n($err)"
+ set cacheok 0
+ }
+ if {[incr allcommits -1] == 0} {
+ notbusy allcommits
+ if {$cacheok} {
+ run savecache
+ }
+ }
+ dispneartags 0
+ return 0
+}
+
+proc recalcarc {a} {
+ global arctags archeads arcids idtags idheads
+
+ set at {}
+ set ah {}
+ foreach id [lrange $arcids($a) 0 end-1] {
+ if {[info exists idtags($id)]} {
+ lappend at $id
+ }
+ if {[info exists idheads($id)]} {
+ lappend ah $id
+ }
+ }
+ set arctags($a) $at
+ set archeads($a) $ah
+}
+
+proc splitarc {p} {
+ global arcnos arcids nextarc arctags archeads idtags idheads
+ global arcstart arcend arcout allparents growing
+
+ set a $arcnos($p)
+ if {[llength $a] != 1} {
+ puts "oops splitarc called but [llength $a] arcs already"
+ return
+ }
+ set a [lindex $a 0]
+ set i [lsearch -exact $arcids($a) $p]
+ if {$i < 0} {
+ puts "oops splitarc $p not in arc $a"
+ return
+ }
+ set na [incr nextarc]
+ if {[info exists arcend($a)]} {
+ set arcend($na) $arcend($a)
+ } else {
+ set l [lindex $allparents([lindex $arcids($a) end]) 0]
+ set j [lsearch -exact $arcnos($l) $a]
+ set arcnos($l) [lreplace $arcnos($l) $j $j $na]
+ }
+ set tail [lrange $arcids($a) [expr {$i+1}] end]
+ set arcids($a) [lrange $arcids($a) 0 $i]
+ set arcend($a) $p
+ set arcstart($na) $p
+ set arcout($p) $na
+ set arcids($na) $tail
+ if {[info exists growing($a)]} {
+ set growing($na) 1
+ unset growing($a)
+ }
+
+ foreach id $tail {
+ if {[llength $arcnos($id)] == 1} {
+ set arcnos($id) $na
+ } else {
+ set j [lsearch -exact $arcnos($id) $a]
+ set arcnos($id) [lreplace $arcnos($id) $j $j $na]
+ }
+ }
+
+ # reconstruct tags and heads lists
+ if {$arctags($a) ne {} || $archeads($a) ne {}} {
+ recalcarc $a
+ recalcarc $na
+ } else {
+ set arctags($na) {}
+ set archeads($na) {}
+ }
+}
+
+# Update things for a new commit added that is a child of one
+# existing commit. Used when cherry-picking.
+proc addnewchild {id p} {
+ global allparents allchildren idtags nextarc
+ global arcnos arcids arctags arcout arcend arcstart archeads growing
+ global seeds allcommits
+
+ if {![info exists allcommits] || ![info exists arcnos($p)]} return
+ set allparents($id) [list $p]
+ set allchildren($id) {}
+ set arcnos($id) {}
+ lappend seeds $id
+ lappend allchildren($p) $id
+ set a [incr nextarc]
+ set arcstart($a) $id
+ set archeads($a) {}
+ set arctags($a) {}
+ set arcids($a) [list $p]
+ set arcend($a) $p
+ if {![info exists arcout($p)]} {
+ splitarc $p
+ }
+ lappend arcnos($p) $a
+ set arcout($id) [list $a]
+}
+
+# This implements a cache for the topology information.
+# The cache saves, for each arc, the start and end of the arc,
+# the ids on the arc, and the outgoing arcs from the end.
+proc readcache {f} {
+ global arcnos arcids arcout arcstart arcend arctags archeads nextarc
+ global idtags idheads allparents cachedarcs possible_seeds seeds growing
+ global allcwait
+
+ set a $nextarc
+ set lim $cachedarcs
+ if {$lim - $a > 500} {
+ set lim [expr {$a + 500}]
+ }
+ if {[catch {
+ if {$a == $lim} {
+ # finish reading the cache and setting up arctags, etc.
+ set line [gets $f]
+ if {$line ne "1"} {error "bad final version"}
+ close $f
+ foreach id [array names idtags] {
+ if {[info exists arcnos($id)] && [llength $arcnos($id)] == 1 &&
+ [llength $allparents($id)] == 1} {
+ set a [lindex $arcnos($id) 0]
+ if {$arctags($a) eq {}} {
+ recalcarc $a
+ }
+ }
+ }
+ foreach id [array names idheads] {
+ if {[info exists arcnos($id)] && [llength $arcnos($id)] == 1 &&
+ [llength $allparents($id)] == 1} {
+ set a [lindex $arcnos($id) 0]
+ if {$archeads($a) eq {}} {
+ recalcarc $a
+ }
+ }
+ }
+ foreach id [lsort -unique $possible_seeds] {
+ if {$arcnos($id) eq {}} {
+ lappend seeds $id
+ }
+ }
+ set allcwait 0
+ } else {
+ while {[incr a] <= $lim} {
+ set line [gets $f]
+ if {[llength $line] != 3} {error "bad line"}
+ set s [lindex $line 0]
+ set arcstart($a) $s
+ lappend arcout($s) $a
+ if {![info exists arcnos($s)]} {
+ lappend possible_seeds $s
+ set arcnos($s) {}
+ }
+ set e [lindex $line 1]
+ if {$e eq {}} {
+ set growing($a) 1
+ } else {
+ set arcend($a) $e
+ if {![info exists arcout($e)]} {
+ set arcout($e) {}
+ }
+ }
+ set arcids($a) [lindex $line 2]
+ foreach id $arcids($a) {
+ lappend allparents($s) $id
+ set s $id
+ lappend arcnos($id) $a
+ }
+ if {![info exists allparents($s)]} {
+ set allparents($s) {}
+ }
+ set arctags($a) {}
+ set archeads($a) {}
+ }
+ set nextarc [expr {$a - 1}]
+ }
+ } err]} {
+ dropcache $err
+ return 0
+ }
+ if {!$allcwait} {
+ getallcommits
+ }
+ return $allcwait
+}
+
+proc getcache {f} {
+ global nextarc cachedarcs possible_seeds
+
+ if {[catch {
+ set line [gets $f]
+ if {[llength $line] != 2 || [lindex $line 0] ne "1"} {error "bad version"}
+ # make sure it's an integer
+ set cachedarcs [expr {int([lindex $line 1])}]
+ if {$cachedarcs < 0} {error "bad number of arcs"}
+ set nextarc 0
+ set possible_seeds {}
+ run readcache $f
+ } err]} {
+ dropcache $err
+ }
+ return 0
+}
+
+proc dropcache {err} {
+ global allcwait nextarc cachedarcs seeds
+
+ #puts "dropping cache ($err)"
+ foreach v {arcnos arcout arcids arcstart arcend growing \
+ arctags archeads allparents allchildren} {
+ global $v
+ catch {unset $v}
+ }
+ set allcwait 0
+ set nextarc 0
+ set cachedarcs 0
+ set seeds {}
+ getallcommits
+}
+
+proc writecache {f} {
+ global cachearc cachedarcs allccache
+ global arcstart arcend arcnos arcids arcout
+
+ set a $cachearc
+ set lim $cachedarcs
+ if {$lim - $a > 1000} {
+ set lim [expr {$a + 1000}]
+ }
+ if {[catch {
+ while {[incr a] <= $lim} {
+ if {[info exists arcend($a)]} {
+ puts $f [list $arcstart($a) $arcend($a) $arcids($a)]
+ } else {
+ puts $f [list $arcstart($a) {} $arcids($a)]
+ }
+ }
+ } err]} {
+ catch {close $f}
+ catch {file delete $allccache}
+ #puts "writing cache failed ($err)"
+ return 0
+ }
+ set cachearc [expr {$a - 1}]
+ if {$a > $cachedarcs} {
+ puts $f "1"
+ close $f
+ return 0
+ }
+ return 1
+}
+
+proc savecache {} {
+ global nextarc cachedarcs cachearc allccache
+
+ if {$nextarc == $cachedarcs} return
+ set cachearc 0
+ set cachedarcs $nextarc
+ catch {
+ set f [open $allccache w]
+ puts $f [list 1 $cachedarcs]
+ run writecache $f
+ }
+}
+
+# Returns 1 if a is an ancestor of b, -1 if b is an ancestor of a,
+# or 0 if neither is true.
+proc anc_or_desc {a b} {
+ global arcout arcstart arcend arcnos cached_isanc
+
+ if {$arcnos($a) eq $arcnos($b)} {
+ # Both are on the same arc(s); either both are the same BMP,
+ # or if one is not a BMP, the other is also not a BMP or is
+ # the BMP at end of the arc (and it only has 1 incoming arc).
+ # Or both can be BMPs with no incoming arcs.
+ if {$a eq $b || $arcnos($a) eq {}} {
+ return 0
+ }
+ # assert {[llength $arcnos($a)] == 1}
+ set arc [lindex $arcnos($a) 0]
+ set i [lsearch -exact $arcids($arc) $a]
+ set j [lsearch -exact $arcids($arc) $b]
+ if {$i < 0 || $i > $j} {
+ return 1
+ } else {
+ return -1
+ }
+ }
+
+ if {![info exists arcout($a)]} {
+ set arc [lindex $arcnos($a) 0]
+ if {[info exists arcend($arc)]} {
+ set aend $arcend($arc)
+ } else {
+ set aend {}
+ }
+ set a $arcstart($arc)
+ } else {
+ set aend $a
+ }
+ if {![info exists arcout($b)]} {
+ set arc [lindex $arcnos($b) 0]
+ if {[info exists arcend($arc)]} {
+ set bend $arcend($arc)
+ } else {
+ set bend {}
+ }
+ set b $arcstart($arc)
+ } else {
+ set bend $b
+ }
+ if {$a eq $bend} {
+ return 1
+ }
+ if {$b eq $aend} {
+ return -1
+ }
+ if {[info exists cached_isanc($a,$bend)]} {
+ if {$cached_isanc($a,$bend)} {
+ return 1
+ }
+ }
+ if {[info exists cached_isanc($b,$aend)]} {
+ if {$cached_isanc($b,$aend)} {
+ return -1
+ }
+ if {[info exists cached_isanc($a,$bend)]} {
+ return 0
+ }
+ }
+
+ set todo [list $a $b]
+ set anc($a) a
+ set anc($b) b
+ for {set i 0} {$i < [llength $todo]} {incr i} {
+ set x [lindex $todo $i]
+ if {$anc($x) eq {}} {
+ continue
+ }
+ foreach arc $arcnos($x) {
+ set xd $arcstart($arc)
+ if {$xd eq $bend} {
+ set cached_isanc($a,$bend) 1
+ set cached_isanc($b,$aend) 0
+ return 1
+ } elseif {$xd eq $aend} {
+ set cached_isanc($b,$aend) 1
+ set cached_isanc($a,$bend) 0
+ return -1
+ }
+ if {![info exists anc($xd)]} {
+ set anc($xd) $anc($x)
+ lappend todo $xd
+ } elseif {$anc($xd) ne $anc($x)} {
+ set anc($xd) {}
+ }
+ }
+ }
+ set cached_isanc($a,$bend) 0
+ set cached_isanc($b,$aend) 0
+ return 0
+}
+
+# This identifies whether $desc has an ancestor that is
+# a growing tip of the graph and which is not an ancestor of $anc
+# and returns 0 if so and 1 if not.
+# If we subsequently discover a tag on such a growing tip, and that
+# turns out to be a descendent of $anc (which it could, since we
+# don't necessarily see children before parents), then $desc
+# isn't a good choice to display as a descendent tag of
+# $anc (since it is the descendent of another tag which is
+# a descendent of $anc). Similarly, $anc isn't a good choice to
+# display as a ancestor tag of $desc.
+#
+proc is_certain {desc anc} {
+ global arcnos arcout arcstart arcend growing problems
+
+ set certain {}
+ if {[llength $arcnos($anc)] == 1} {
+ # tags on the same arc are certain
+ if {$arcnos($desc) eq $arcnos($anc)} {
+ return 1
+ }
+ if {![info exists arcout($anc)]} {
+ # if $anc is partway along an arc, use the start of the arc instead
+ set a [lindex $arcnos($anc) 0]
+ set anc $arcstart($a)
+ }
+ }
+ if {[llength $arcnos($desc)] > 1 || [info exists arcout($desc)]} {
+ set x $desc
+ } else {
+ set a [lindex $arcnos($desc) 0]
+ set x $arcend($a)
+ }
+ if {$x == $anc} {
+ return 1
+ }
+ set anclist [list $x]
+ set dl($x) 1
+ set nnh 1
+ set ngrowanc 0
+ for {set i 0} {$i < [llength $anclist] && ($nnh > 0 || $ngrowanc > 0)} {incr i} {
+ set x [lindex $anclist $i]
+ if {$dl($x)} {
+ incr nnh -1
+ }
+ set done($x) 1
+ foreach a $arcout($x) {
+ if {[info exists growing($a)]} {
+ if {![info exists growanc($x)] && $dl($x)} {
+ set growanc($x) 1
+ incr ngrowanc
+ }
+ } else {
+ set y $arcend($a)
+ if {[info exists dl($y)]} {
+ if {$dl($y)} {
+ if {!$dl($x)} {
+ set dl($y) 0
+ if {![info exists done($y)]} {
+ incr nnh -1
+ }
+ if {[info exists growanc($x)]} {
+ incr ngrowanc -1
+ }
+ set xl [list $y]
+ for {set k 0} {$k < [llength $xl]} {incr k} {
+ set z [lindex $xl $k]
+ foreach c $arcout($z) {
+ if {[info exists arcend($c)]} {
+ set v $arcend($c)
+ if {[info exists dl($v)] && $dl($v)} {
+ set dl($v) 0
+ if {![info exists done($v)]} {
+ incr nnh -1
+ }
+ if {[info exists growanc($v)]} {
+ incr ngrowanc -1
+ }
+ lappend xl $v
+ }
+ }
+ }
+ }
+ }
+ }
+ } elseif {$y eq $anc || !$dl($x)} {
+ set dl($y) 0
+ lappend anclist $y
+ } else {
+ set dl($y) 1
+ lappend anclist $y
+ incr nnh
+ }
+ }
+ }
+ }
+ foreach x [array names growanc] {
+ if {$dl($x)} {
+ return 0
+ }
+ return 0
+ }
+ return 1
+}
+
+proc validate_arctags {a} {
+ global arctags idtags
+
+ set i -1
+ set na $arctags($a)
+ foreach id $arctags($a) {
+ incr i
+ if {![info exists idtags($id)]} {
+ set na [lreplace $na $i $i]
+ incr i -1
+ }
+ }
+ set arctags($a) $na
+}
+
+proc validate_archeads {a} {
+ global archeads idheads
+
+ set i -1
+ set na $archeads($a)
+ foreach id $archeads($a) {
+ incr i
+ if {![info exists idheads($id)]} {
+ set na [lreplace $na $i $i]
+ incr i -1
+ }
+ }
+ set archeads($a) $na
+}
+
+# Return the list of IDs that have tags that are descendents of id,
+# ignoring IDs that are descendents of IDs already reported.
+proc desctags {id} {
+ global arcnos arcstart arcids arctags idtags allparents
+ global growing cached_dtags
+
+ if {![info exists allparents($id)]} {
+ return {}
+ }
+ set t1 [clock clicks -milliseconds]
+ set argid $id
+ if {[llength $arcnos($id)] == 1 && [llength $allparents($id)] == 1} {
+ # part-way along an arc; check that arc first
+ set a [lindex $arcnos($id) 0]
+ if {$arctags($a) ne {}} {
+ validate_arctags $a
+ set i [lsearch -exact $arcids($a) $id]
+ set tid {}
+ foreach t $arctags($a) {
+ set j [lsearch -exact $arcids($a) $t]
+ if {$j >= $i} break
+ set tid $t
+ }
+ if {$tid ne {}} {
+ return $tid
+ }
+ }
+ set id $arcstart($a)
+ if {[info exists idtags($id)]} {
+ return $id
+ }
+ }
+ if {[info exists cached_dtags($id)]} {
+ return $cached_dtags($id)
+ }
+
+ set origid $id
+ set todo [list $id]
+ set queued($id) 1
+ set nc 1
+ for {set i 0} {$i < [llength $todo] && $nc > 0} {incr i} {
+ set id [lindex $todo $i]
+ set done($id) 1
+ set ta [info exists hastaggedancestor($id)]
+ if {!$ta} {
+ incr nc -1
+ }
+ # ignore tags on starting node
+ if {!$ta && $i > 0} {
+ if {[info exists idtags($id)]} {
+ set tagloc($id) $id
+ set ta 1
+ } elseif {[info exists cached_dtags($id)]} {
+ set tagloc($id) $cached_dtags($id)
+ set ta 1
+ }
+ }
+ foreach a $arcnos($id) {
+ set d $arcstart($a)
+ if {!$ta && $arctags($a) ne {}} {
+ validate_arctags $a
+ if {$arctags($a) ne {}} {
+ lappend tagloc($id) [lindex $arctags($a) end]
+ }
+ }
+ if {$ta || $arctags($a) ne {}} {
+ set tomark [list $d]
+ for {set j 0} {$j < [llength $tomark]} {incr j} {
+ set dd [lindex $tomark $j]
+ if {![info exists hastaggedancestor($dd)]} {
+ if {[info exists done($dd)]} {
+ foreach b $arcnos($dd) {
+ lappend tomark $arcstart($b)
+ }
+ if {[info exists tagloc($dd)]} {
+ unset tagloc($dd)
+ }
+ } elseif {[info exists queued($dd)]} {
+ incr nc -1
+ }
+ set hastaggedancestor($dd) 1
+ }
+ }
+ }
+ if {![info exists queued($d)]} {
+ lappend todo $d
+ set queued($d) 1
+ if {![info exists hastaggedancestor($d)]} {
+ incr nc
+ }
+ }
+ }
+ }
+ set tags {}
+ foreach id [array names tagloc] {
+ if {![info exists hastaggedancestor($id)]} {
+ foreach t $tagloc($id) {
+ if {[lsearch -exact $tags $t] < 0} {
+ lappend tags $t
+ }
+ }
+ }
+ }
+ set t2 [clock clicks -milliseconds]
+ set loopix $i
+
+ # remove tags that are descendents of other tags
+ for {set i 0} {$i < [llength $tags]} {incr i} {
+ set a [lindex $tags $i]
+ for {set j 0} {$j < $i} {incr j} {
+ set b [lindex $tags $j]
+ set r [anc_or_desc $a $b]
+ if {$r == 1} {
+ set tags [lreplace $tags $j $j]
+ incr j -1
+ incr i -1
+ } elseif {$r == -1} {
+ set tags [lreplace $tags $i $i]
+ incr i -1
+ break
+ }
+ }
+ }
+
+ if {[array names growing] ne {}} {
+ # graph isn't finished, need to check if any tag could get
+ # eclipsed by another tag coming later. Simply ignore any
+ # tags that could later get eclipsed.
+ set ctags {}
+ foreach t $tags {
+ if {[is_certain $t $origid]} {
+ lappend ctags $t
+ }
+ }
+ if {$tags eq $ctags} {
+ set cached_dtags($origid) $tags
+ } else {
+ set tags $ctags
+ }
+ } else {
+ set cached_dtags($origid) $tags
+ }
+ set t3 [clock clicks -milliseconds]
+ if {0 && $t3 - $t1 >= 100} {
+ puts "iterating descendents ($loopix/[llength $todo] nodes) took\
+ [expr {$t2-$t1}]+[expr {$t3-$t2}]ms, $nc candidates left"
+ }
+ return $tags
+}
+
+proc anctags {id} {
+ global arcnos arcids arcout arcend arctags idtags allparents
+ global growing cached_atags
+
+ if {![info exists allparents($id)]} {
+ return {}
+ }
+ set t1 [clock clicks -milliseconds]
+ set argid $id
+ if {[llength $arcnos($id)] == 1 && [llength $allparents($id)] == 1} {
+ # part-way along an arc; check that arc first
+ set a [lindex $arcnos($id) 0]
+ if {$arctags($a) ne {}} {
+ validate_arctags $a
+ set i [lsearch -exact $arcids($a) $id]
+ foreach t $arctags($a) {
+ set j [lsearch -exact $arcids($a) $t]
+ if {$j > $i} {
+ return $t
+ }
+ }
+ }
+ if {![info exists arcend($a)]} {
+ return {}
+ }
+ set id $arcend($a)
+ if {[info exists idtags($id)]} {
+ return $id
+ }
+ }
+ if {[info exists cached_atags($id)]} {
+ return $cached_atags($id)
+ }
+
+ set origid $id
+ set todo [list $id]
+ set queued($id) 1
+ set taglist {}
+ set nc 1
+ for {set i 0} {$i < [llength $todo] && $nc > 0} {incr i} {
+ set id [lindex $todo $i]
+ set done($id) 1
+ set td [info exists hastaggeddescendent($id)]
+ if {!$td} {
+ incr nc -1
+ }
+ # ignore tags on starting node
+ if {!$td && $i > 0} {
+ if {[info exists idtags($id)]} {
+ set tagloc($id) $id
+ set td 1
+ } elseif {[info exists cached_atags($id)]} {
+ set tagloc($id) $cached_atags($id)
+ set td 1
+ }
+ }
+ foreach a $arcout($id) {
+ if {!$td && $arctags($a) ne {}} {
+ validate_arctags $a
+ if {$arctags($a) ne {}} {
+ lappend tagloc($id) [lindex $arctags($a) 0]
+ }
+ }
+ if {![info exists arcend($a)]} continue
+ set d $arcend($a)
+ if {$td || $arctags($a) ne {}} {
+ set tomark [list $d]
+ for {set j 0} {$j < [llength $tomark]} {incr j} {
+ set dd [lindex $tomark $j]
+ if {![info exists hastaggeddescendent($dd)]} {
+ if {[info exists done($dd)]} {
+ foreach b $arcout($dd) {
+ if {[info exists arcend($b)]} {
+ lappend tomark $arcend($b)
+ }
+ }
+ if {[info exists tagloc($dd)]} {
+ unset tagloc($dd)
+ }
+ } elseif {[info exists queued($dd)]} {
+ incr nc -1
+ }
+ set hastaggeddescendent($dd) 1
+ }
+ }
+ }
+ if {![info exists queued($d)]} {
+ lappend todo $d
+ set queued($d) 1
+ if {![info exists hastaggeddescendent($d)]} {
+ incr nc
+ }
+ }
+ }
+ }
+ set t2 [clock clicks -milliseconds]
+ set loopix $i
+ set tags {}
+ foreach id [array names tagloc] {
+ if {![info exists hastaggeddescendent($id)]} {
+ foreach t $tagloc($id) {
+ if {[lsearch -exact $tags $t] < 0} {
+ lappend tags $t
+ }
+ }
+ }
+ }
+
+ # remove tags that are ancestors of other tags
+ for {set i 0} {$i < [llength $tags]} {incr i} {
+ set a [lindex $tags $i]
+ for {set j 0} {$j < $i} {incr j} {
+ set b [lindex $tags $j]
+ set r [anc_or_desc $a $b]
+ if {$r == -1} {
+ set tags [lreplace $tags $j $j]
+ incr j -1
+ incr i -1
+ } elseif {$r == 1} {
+ set tags [lreplace $tags $i $i]
+ incr i -1
+ break
+ }
+ }
+ }
+
+ if {[array names growing] ne {}} {
+ # graph isn't finished, need to check if any tag could get
+ # eclipsed by another tag coming later. Simply ignore any
+ # tags that could later get eclipsed.
+ set ctags {}
+ foreach t $tags {
+ if {[is_certain $origid $t]} {
+ lappend ctags $t
+ }
+ }
+ if {$tags eq $ctags} {
+ set cached_atags($origid) $tags
+ } else {
+ set tags $ctags
+ }
+ } else {
+ set cached_atags($origid) $tags
+ }
+ set t3 [clock clicks -milliseconds]
+ if {0 && $t3 - $t1 >= 100} {
+ puts "iterating ancestors ($loopix/[llength $todo] nodes) took\
+ [expr {$t2-$t1}]+[expr {$t3-$t2}]ms, $nc candidates left"
+ }
+ return $tags
+}
+
+# Return the list of IDs that have heads that are descendents of id,
+# including id itself if it has a head.
+proc descheads {id} {
+ global arcnos arcstart arcids archeads idheads cached_dheads
+ global allparents
+
+ if {![info exists allparents($id)]} {
+ return {}
+ }
+ set aret {}
+ if {[llength $arcnos($id)] == 1 && [llength $allparents($id)] == 1} {
+ # part-way along an arc; check it first
+ set a [lindex $arcnos($id) 0]
+ if {$archeads($a) ne {}} {
+ validate_archeads $a
+ set i [lsearch -exact $arcids($a) $id]
+ foreach t $archeads($a) {
+ set j [lsearch -exact $arcids($a) $t]
+ if {$j > $i} break
+ lappend aret $t
+ }
+ }
+ set id $arcstart($a)
+ }
+ set origid $id
+ set todo [list $id]
+ set seen($id) 1
+ set ret {}
+ for {set i 0} {$i < [llength $todo]} {incr i} {
+ set id [lindex $todo $i]
+ if {[info exists cached_dheads($id)]} {
+ set ret [concat $ret $cached_dheads($id)]
+ } else {
+ if {[info exists idheads($id)]} {
+ lappend ret $id
+ }
+ foreach a $arcnos($id) {
+ if {$archeads($a) ne {}} {
+ validate_archeads $a
+ if {$archeads($a) ne {}} {
+ set ret [concat $ret $archeads($a)]
+ }
+ }
+ set d $arcstart($a)
+ if {![info exists seen($d)]} {
+ lappend todo $d
+ set seen($d) 1
+ }
+ }
+ }
+ }
+ set ret [lsort -unique $ret]
+ set cached_dheads($origid) $ret
+ return [concat $ret $aret]
+}
+
+proc addedtag {id} {
+ global arcnos arcout cached_dtags cached_atags
+
+ if {![info exists arcnos($id)]} return
+ if {![info exists arcout($id)]} {
+ recalcarc [lindex $arcnos($id) 0]
+ }
+ catch {unset cached_dtags}
+ catch {unset cached_atags}
+}
+
+proc addedhead {hid head} {
+ global arcnos arcout cached_dheads
+
+ if {![info exists arcnos($hid)]} return
+ if {![info exists arcout($hid)]} {
+ recalcarc [lindex $arcnos($hid) 0]
+ }
+ catch {unset cached_dheads}
+}
+
+proc removedhead {hid head} {
+ global cached_dheads
+
+ catch {unset cached_dheads}
+}
+
+proc movedhead {hid head} {
+ global arcnos arcout cached_dheads
+
+ if {![info exists arcnos($hid)]} return
+ if {![info exists arcout($hid)]} {
+ recalcarc [lindex $arcnos($hid) 0]
+ }
+ catch {unset cached_dheads}
+}
+
+proc changedrefs {} {
+ global cached_dheads cached_dtags cached_atags
+ global arctags archeads arcnos arcout idheads idtags
+
+ foreach id [concat [array names idheads] [array names idtags]] {
+ if {[info exists arcnos($id)] && ![info exists arcout($id)]} {
+ set a [lindex $arcnos($id) 0]
+ if {![info exists donearc($a)]} {
+ recalcarc $a
+ set donearc($a) 1
+ }
+ }
+ }
+ catch {unset cached_dtags}
+ catch {unset cached_atags}
+ catch {unset cached_dheads}
+}
+
+proc rereadrefs {} {
+ global idtags idheads idotherrefs mainheadid
+
+ set refids [concat [array names idtags] \
+ [array names idheads] [array names idotherrefs]]
+ foreach id $refids {
+ if {![info exists ref($id)]} {
+ set ref($id) [listrefs $id]
+ }
+ }
+ set oldmainhead $mainheadid
+ readrefs
+ changedrefs
+ set refids [lsort -unique [concat $refids [array names idtags] \
+ [array names idheads] [array names idotherrefs]]]
+ foreach id $refids {
+ set v [listrefs $id]
+ if {![info exists ref($id)] || $ref($id) != $v} {
+ redrawtags $id
+ }
+ }
+ if {$oldmainhead ne $mainheadid} {
+ redrawtags $oldmainhead
+ redrawtags $mainheadid
+ }
+ run refill_reflist
+}
+
+proc listrefs {id} {
+ global idtags idheads idotherrefs
+
+ set x {}
+ if {[info exists idtags($id)]} {
+ set x $idtags($id)
+ }
+ set y {}
+ if {[info exists idheads($id)]} {
+ set y $idheads($id)
+ }
+ set z {}
+ if {[info exists idotherrefs($id)]} {
+ set z $idotherrefs($id)
+ }
+ return [list $x $y $z]
+}
+
+proc showtag {tag isnew} {
+ global ctext tagcontents tagids linknum tagobjid
+
+ if {$isnew} {
+ addtohistory [list showtag $tag 0] savectextpos
+ }
+ $ctext conf -state normal
+ clear_ctext
+ settabs 0
+ set linknum 0
+ if {![info exists tagcontents($tag)]} {
+ catch {
+ set tagcontents($tag) [exec git cat-file tag $tag]
+ }
+ }
+ if {[info exists tagcontents($tag)]} {
+ set text $tagcontents($tag)
+ } else {
+ set text "[mc "Tag"]: $tag\n[mc "Id"]: $tagids($tag)"
+ }
+ appendwithlinks $text {}
+ maybe_scroll_ctext 1
+ $ctext conf -state disabled
+ init_flist {}
+}
+
+proc doquit {} {
+ global stopped
+ global gitktmpdir
+
+ set stopped 100
+ savestuff .
+ destroy .
+
+ if {[info exists gitktmpdir]} {
+ catch {file delete -force $gitktmpdir}
+ }
+}
+
+proc mkfontdisp {font top which} {
+ global fontattr fontpref $font NS use_ttk
+
+ set fontpref($font) [set $font]
+ ${NS}::button $top.${font}but -text $which \
+ -command [list choosefont $font $which]
+ if {!$use_ttk} {$top.${font}but configure -font optionfont}
+ ${NS}::label $top.$font -relief flat -font $font \
+ -text $fontattr($font,family) -justify left
+ grid x $top.${font}but $top.$font -sticky w
+}
+
+proc choosefont {font which} {
+ global fontparam fontlist fonttop fontattr
+ global prefstop NS
+
+ set fontparam(which) $which
+ set fontparam(font) $font
+ set fontparam(family) [font actual $font -family]
+ set fontparam(size) $fontattr($font,size)
+ set fontparam(weight) $fontattr($font,weight)
+ set fontparam(slant) $fontattr($font,slant)
+ set top .gitkfont
+ set fonttop $top
+ if {![winfo exists $top]} {
+ font create sample
+ eval font config sample [font actual $font]
+ ttk_toplevel $top
+ make_transient $top $prefstop
+ wm title $top [mc "Gitk font chooser"]
+ ${NS}::label $top.l -textvariable fontparam(which)
+ pack $top.l -side top
+ set fontlist [lsort [font families]]
+ ${NS}::frame $top.f
+ listbox $top.f.fam -listvariable fontlist \
+ -yscrollcommand [list $top.f.sb set]
+ bind $top.f.fam <<ListboxSelect>> selfontfam
+ ${NS}::scrollbar $top.f.sb -command [list $top.f.fam yview]
+ pack $top.f.sb -side right -fill y
+ pack $top.f.fam -side left -fill both -expand 1
+ pack $top.f -side top -fill both -expand 1
+ ${NS}::frame $top.g
+ spinbox $top.g.size -from 4 -to 40 -width 4 \
+ -textvariable fontparam(size) \
+ -validatecommand {string is integer -strict %s}
+ checkbutton $top.g.bold -padx 5 \
+ -font {{Times New Roman} 12 bold} -text [mc "B"] -indicatoron 0 \
+ -variable fontparam(weight) -onvalue bold -offvalue normal
+ checkbutton $top.g.ital -padx 5 \
+ -font {{Times New Roman} 12 italic} -text [mc "I"] -indicatoron 0 \
+ -variable fontparam(slant) -onvalue italic -offvalue roman
+ pack $top.g.size $top.g.bold $top.g.ital -side left
+ pack $top.g -side top
+ canvas $top.c -width 150 -height 50 -border 2 -relief sunk \
+ -background white
+ $top.c create text 100 25 -anchor center -text $which -font sample \
+ -fill black -tags text
+ bind $top.c <Configure> [list centertext $top.c]
+ pack $top.c -side top -fill x
+ ${NS}::frame $top.buts
+ ${NS}::button $top.buts.ok -text [mc "OK"] -command fontok -default active
+ ${NS}::button $top.buts.can -text [mc "Cancel"] -command fontcan -default normal
+ bind $top <Key-Return> fontok
+ bind $top <Key-Escape> fontcan
+ grid $top.buts.ok $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ pack $top.buts -side bottom -fill x
+ trace add variable fontparam write chg_fontparam
+ } else {
+ raise $top
+ $top.c itemconf text -text $which
+ }
+ set i [lsearch -exact $fontlist $fontparam(family)]
+ if {$i >= 0} {
+ $top.f.fam selection set $i
+ $top.f.fam see $i
+ }
+}
+
+proc centertext {w} {
+ $w coords text [expr {[winfo width $w] / 2}] [expr {[winfo height $w] / 2}]
+}
+
+proc fontok {} {
+ global fontparam fontpref prefstop
+
+ set f $fontparam(font)
+ set fontpref($f) [list $fontparam(family) $fontparam(size)]
+ if {$fontparam(weight) eq "bold"} {
+ lappend fontpref($f) "bold"
+ }
+ if {$fontparam(slant) eq "italic"} {
+ lappend fontpref($f) "italic"
+ }
+ set w $prefstop.$f
+ $w conf -text $fontparam(family) -font $fontpref($f)
+
+ fontcan
+}
+
+proc fontcan {} {
+ global fonttop fontparam
+
+ if {[info exists fonttop]} {
+ catch {destroy $fonttop}
+ catch {font delete sample}
+ unset fonttop
+ unset fontparam
+ }
+}
+
+if {[package vsatisfies [package provide Tk] 8.6]} {
+ # In Tk 8.6 we have a native font chooser dialog. Overwrite the above
+ # function to make use of it.
+ proc choosefont {font which} {
+ tk fontchooser configure -title $which -font $font \
+ -command [list on_choosefont $font $which]
+ tk fontchooser show
+ }
+ proc on_choosefont {font which newfont} {
+ global fontparam
+ puts stderr "$font $newfont"
+ array set f [font actual $newfont]
+ set fontparam(which) $which
+ set fontparam(font) $font
+ set fontparam(family) $f(-family)
+ set fontparam(size) $f(-size)
+ set fontparam(weight) $f(-weight)
+ set fontparam(slant) $f(-slant)
+ fontok
+ }
+}
+
+proc selfontfam {} {
+ global fonttop fontparam
+
+ set i [$fonttop.f.fam curselection]
+ if {$i ne {}} {
+ set fontparam(family) [$fonttop.f.fam get $i]
+ }
+}
+
+proc chg_fontparam {v sub op} {
+ global fontparam
+
+ font config sample -$sub $fontparam($sub)
+}
+
+proc doprefs {} {
+ global maxwidth maxgraphpct use_ttk NS
+ global oldprefs prefstop showneartags showlocalchanges
+ global uicolor bgcolor fgcolor ctext diffcolors selectbgcolor markbgcolor
+ global tabstop limitdiffs autoselect extdifftool perfile_attrs
+ global hideremotes want_ttk have_ttk
+
+ set top .gitkprefs
+ set prefstop $top
+ if {[winfo exists $top]} {
+ raise $top
+ return
+ }
+ foreach v {maxwidth maxgraphpct showneartags showlocalchanges \
+ limitdiffs tabstop perfile_attrs hideremotes want_ttk} {
+ set oldprefs($v) [set $v]
+ }
+ ttk_toplevel $top
+ wm title $top [mc "Gitk preferences"]
+ make_transient $top .
+ ${NS}::label $top.ldisp -text [mc "Commit list display options"]
+ grid $top.ldisp - -sticky w -pady 10
+ ${NS}::label $top.spacer -text " "
+ ${NS}::label $top.maxwidthl -text [mc "Maximum graph width (lines)"]
+ spinbox $top.maxwidth -from 0 -to 100 -width 4 -textvariable maxwidth
+ grid $top.spacer $top.maxwidthl $top.maxwidth -sticky w
+ ${NS}::label $top.maxpctl -text [mc "Maximum graph width (% of pane)"]
+ spinbox $top.maxpct -from 1 -to 100 -width 4 -textvariable maxgraphpct
+ grid x $top.maxpctl $top.maxpct -sticky w
+ ${NS}::checkbutton $top.showlocal -text [mc "Show local changes"] \
+ -variable showlocalchanges
+ grid x $top.showlocal -sticky w
+ ${NS}::checkbutton $top.autoselect -text [mc "Auto-select SHA1"] \
+ -variable autoselect
+ grid x $top.autoselect -sticky w
+ ${NS}::checkbutton $top.hideremotes -text [mc "Hide remote refs"] \
+ -variable hideremotes
+ grid x $top.hideremotes -sticky w
+
+ ${NS}::label $top.ddisp -text [mc "Diff display options"]
+ grid $top.ddisp - -sticky w -pady 10
+ ${NS}::label $top.tabstopl -text [mc "Tab spacing"]
+ spinbox $top.tabstop -from 1 -to 20 -width 4 -textvariable tabstop
+ grid x $top.tabstopl $top.tabstop -sticky w
+ ${NS}::checkbutton $top.ntag -text [mc "Display nearby tags"] \
+ -variable showneartags
+ grid x $top.ntag -sticky w
+ ${NS}::checkbutton $top.ldiff -text [mc "Limit diffs to listed paths"] \
+ -variable limitdiffs
+ grid x $top.ldiff -sticky w
+ ${NS}::checkbutton $top.lattr -text [mc "Support per-file encodings"] \
+ -variable perfile_attrs
+ grid x $top.lattr -sticky w
+
+ ${NS}::entry $top.extdifft -textvariable extdifftool
+ ${NS}::frame $top.extdifff
+ ${NS}::label $top.extdifff.l -text [mc "External diff tool" ]
+ ${NS}::button $top.extdifff.b -text [mc "Choose..."] -command choose_extdiff
+ pack $top.extdifff.l $top.extdifff.b -side left
+ pack configure $top.extdifff.l -padx 10
+ grid x $top.extdifff $top.extdifft -sticky ew
+
+ ${NS}::label $top.lgen -text [mc "General options"]
+ grid $top.lgen - -sticky w -pady 10
+ ${NS}::checkbutton $top.want_ttk -variable want_ttk \
+ -text [mc "Use themed widgets"]
+ if {$have_ttk} {
+ ${NS}::label $top.ttk_note -text [mc "(change requires restart)"]
+ } else {
+ ${NS}::label $top.ttk_note -text [mc "(currently unavailable)"]
+ }
+ grid x $top.want_ttk $top.ttk_note -sticky w
+
+ ${NS}::label $top.cdisp -text [mc "Colors: press to choose"]
+ grid $top.cdisp - -sticky w -pady 10
+ label $top.ui -padx 40 -relief sunk -background $uicolor
+ ${NS}::button $top.uibut -text [mc "Interface"] \
+ -command [list choosecolor uicolor {} $top.ui [mc "interface"] setui]
+ grid x $top.uibut $top.ui -sticky w
+ label $top.bg -padx 40 -relief sunk -background $bgcolor
+ ${NS}::button $top.bgbut -text [mc "Background"] \
+ -command [list choosecolor bgcolor {} $top.bg [mc "background"] setbg]
+ grid x $top.bgbut $top.bg -sticky w
+ label $top.fg -padx 40 -relief sunk -background $fgcolor
+ ${NS}::button $top.fgbut -text [mc "Foreground"] \
+ -command [list choosecolor fgcolor {} $top.fg [mc "foreground"] setfg]
+ grid x $top.fgbut $top.fg -sticky w
+ label $top.diffold -padx 40 -relief sunk -background [lindex $diffcolors 0]
+ ${NS}::button $top.diffoldbut -text [mc "Diff: old lines"] \
+ -command [list choosecolor diffcolors 0 $top.diffold [mc "diff old lines"] \
+ [list $ctext tag conf d0 -foreground]]
+ grid x $top.diffoldbut $top.diffold -sticky w
+ label $top.diffnew -padx 40 -relief sunk -background [lindex $diffcolors 1]
+ ${NS}::button $top.diffnewbut -text [mc "Diff: new lines"] \
+ -command [list choosecolor diffcolors 1 $top.diffnew [mc "diff new lines"] \
+ [list $ctext tag conf dresult -foreground]]
+ grid x $top.diffnewbut $top.diffnew -sticky w
+ label $top.hunksep -padx 40 -relief sunk -background [lindex $diffcolors 2]
+ ${NS}::button $top.hunksepbut -text [mc "Diff: hunk header"] \
+ -command [list choosecolor diffcolors 2 $top.hunksep \
+ [mc "diff hunk header"] \
+ [list $ctext tag conf hunksep -foreground]]
+ grid x $top.hunksepbut $top.hunksep -sticky w
+ label $top.markbgsep -padx 40 -relief sunk -background $markbgcolor
+ ${NS}::button $top.markbgbut -text [mc "Marked line bg"] \
+ -command [list choosecolor markbgcolor {} $top.markbgsep \
+ [mc "marked line background"] \
+ [list $ctext tag conf omark -background]]
+ grid x $top.markbgbut $top.markbgsep -sticky w
+ label $top.selbgsep -padx 40 -relief sunk -background $selectbgcolor
+ ${NS}::button $top.selbgbut -text [mc "Select bg"] \
+ -command [list choosecolor selectbgcolor {} $top.selbgsep [mc "background"] setselbg]
+ grid x $top.selbgbut $top.selbgsep -sticky w
+
+ ${NS}::label $top.cfont -text [mc "Fonts: press to choose"]
+ grid $top.cfont - -sticky w -pady 10
+ mkfontdisp mainfont $top [mc "Main font"]
+ mkfontdisp textfont $top [mc "Diff display font"]
+ mkfontdisp uifont $top [mc "User interface font"]
+
+ if {!$use_ttk} {
+ foreach w {maxpctl maxwidthl showlocal autoselect tabstopl ntag
+ ldiff lattr extdifff.l extdifff.b bgbut fgbut
+ diffoldbut diffnewbut hunksepbut markbgbut selbgbut
+ want_ttk ttk_note} {
+ $top.$w configure -font optionfont
+ }
+ }
+
+ ${NS}::frame $top.buts
+ ${NS}::button $top.buts.ok -text [mc "OK"] -command prefsok -default active
+ ${NS}::button $top.buts.can -text [mc "Cancel"] -command prefscan -default normal
+ bind $top <Key-Return> prefsok
+ bind $top <Key-Escape> prefscan
+ grid $top.buts.ok $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid $top.buts - - -pady 10 -sticky ew
+ grid columnconfigure $top 2 -weight 1
+ bind $top <Visibility> "focus $top.buts.ok"
+}
+
+proc choose_extdiff {} {
+ global extdifftool
+
+ set prog [tk_getOpenFile -title [mc "External diff tool"] -multiple false]
+ if {$prog ne {}} {
+ set extdifftool $prog
+ }
+}
+
+proc choosecolor {v vi w x cmd} {
+ global $v
+
+ set c [tk_chooseColor -initialcolor [lindex [set $v] $vi] \
+ -title [mc "Gitk: choose color for %s" $x]]
+ if {$c eq {}} return
+ $w conf -background $c
+ lset $v $vi $c
+ eval $cmd $c
+}
+
+proc setselbg {c} {
+ global bglist cflist
+ foreach w $bglist {
+ $w configure -selectbackground $c
+ }
+ $cflist tag configure highlight \
+ -background [$cflist cget -selectbackground]
+ allcanvs itemconf secsel -fill $c
+}
+
+# This sets the background color and the color scheme for the whole UI.
+# For some reason, tk_setPalette chooses a nasty dark red for selectColor
+# if we don't specify one ourselves, which makes the checkbuttons and
+# radiobuttons look bad. This chooses white for selectColor if the
+# background color is light, or black if it is dark.
+proc setui {c} {
+ set bg [winfo rgb . $c]
+ set selc black
+ if {[lindex $bg 0] + 1.5 * [lindex $bg 1] + 0.5 * [lindex $bg 2] > 100000} {
+ set selc white
+ }
+ tk_setPalette background $c selectColor $selc
+}
+
+proc setbg {c} {
+ global bglist
+
+ foreach w $bglist {
+ $w conf -background $c
+ }
+}
+
+proc setfg {c} {
+ global fglist canv
+
+ foreach w $fglist {
+ $w conf -foreground $c
+ }
+ allcanvs itemconf text -fill $c
+ $canv itemconf circle -outline $c
+ $canv itemconf markid -outline $c
+}
+
+proc prefscan {} {
+ global oldprefs prefstop
+
+ foreach v {maxwidth maxgraphpct showneartags showlocalchanges \
+ limitdiffs tabstop perfile_attrs hideremotes want_ttk} {
+ global $v
+ set $v $oldprefs($v)
+ }
+ catch {destroy $prefstop}
+ unset prefstop
+ fontcan
+}
+
+proc prefsok {} {
+ global maxwidth maxgraphpct
+ global oldprefs prefstop showneartags showlocalchanges
+ global fontpref mainfont textfont uifont
+ global limitdiffs treediffs perfile_attrs
+ global hideremotes
+
+ catch {destroy $prefstop}
+ unset prefstop
+ fontcan
+ set fontchanged 0
+ if {$mainfont ne $fontpref(mainfont)} {
+ set mainfont $fontpref(mainfont)
+ parsefont mainfont $mainfont
+ eval font configure mainfont [fontflags mainfont]
+ eval font configure mainfontbold [fontflags mainfont 1]
+ setcoords
+ set fontchanged 1
+ }
+ if {$textfont ne $fontpref(textfont)} {
+ set textfont $fontpref(textfont)
+ parsefont textfont $textfont
+ eval font configure textfont [fontflags textfont]
+ eval font configure textfontbold [fontflags textfont 1]
+ }
+ if {$uifont ne $fontpref(uifont)} {
+ set uifont $fontpref(uifont)
+ parsefont uifont $uifont
+ eval font configure uifont [fontflags uifont]
+ }
+ settabs
+ if {$showlocalchanges != $oldprefs(showlocalchanges)} {
+ if {$showlocalchanges} {
+ doshowlocalchanges
+ } else {
+ dohidelocalchanges
+ }
+ }
+ if {$limitdiffs != $oldprefs(limitdiffs) ||
+ ($perfile_attrs && !$oldprefs(perfile_attrs))} {
+ # treediffs elements are limited by path;
+ # won't have encodings cached if perfile_attrs was just turned on
+ catch {unset treediffs}
+ }
+ if {$fontchanged || $maxwidth != $oldprefs(maxwidth)
+ || $maxgraphpct != $oldprefs(maxgraphpct)} {
+ redisplay
+ } elseif {$showneartags != $oldprefs(showneartags) ||
+ $limitdiffs != $oldprefs(limitdiffs)} {
+ reselectline
+ }
+ if {$hideremotes != $oldprefs(hideremotes)} {
+ rereadrefs
+ }
+}
+
+proc formatdate {d} {
+ global datetimeformat
+ if {$d ne {}} {
+ set d [clock format $d -format $datetimeformat]
+ }
+ return $d
+}
+
+# This list of encoding names and aliases is distilled from
+# http://www.iana.org/assignments/character-sets.
+# Not all of them are supported by Tcl.
+set encoding_aliases {
+ { ANSI_X3.4-1968 iso-ir-6 ANSI_X3.4-1986 ISO_646.irv:1991 ASCII
+ ISO646-US US-ASCII us IBM367 cp367 csASCII }
+ { ISO-10646-UTF-1 csISO10646UTF1 }
+ { ISO_646.basic:1983 ref csISO646basic1983 }
+ { INVARIANT csINVARIANT }
+ { ISO_646.irv:1983 iso-ir-2 irv csISO2IntlRefVersion }
+ { BS_4730 iso-ir-4 ISO646-GB gb uk csISO4UnitedKingdom }
+ { NATS-SEFI iso-ir-8-1 csNATSSEFI }
+ { NATS-SEFI-ADD iso-ir-8-2 csNATSSEFIADD }
+ { NATS-DANO iso-ir-9-1 csNATSDANO }
+ { NATS-DANO-ADD iso-ir-9-2 csNATSDANOADD }
+ { SEN_850200_B iso-ir-10 FI ISO646-FI ISO646-SE se csISO10Swedish }
+ { SEN_850200_C iso-ir-11 ISO646-SE2 se2 csISO11SwedishForNames }
+ { KS_C_5601-1987 iso-ir-149 KS_C_5601-1989 KSC_5601 korean csKSC56011987 }
+ { ISO-2022-KR csISO2022KR }
+ { EUC-KR csEUCKR }
+ { ISO-2022-JP csISO2022JP }
+ { ISO-2022-JP-2 csISO2022JP2 }
+ { JIS_C6220-1969-jp JIS_C6220-1969 iso-ir-13 katakana x0201-7
+ csISO13JISC6220jp }
+ { JIS_C6220-1969-ro iso-ir-14 jp ISO646-JP csISO14JISC6220ro }
+ { IT iso-ir-15 ISO646-IT csISO15Italian }
+ { PT iso-ir-16 ISO646-PT csISO16Portuguese }
+ { ES iso-ir-17 ISO646-ES csISO17Spanish }
+ { greek7-old iso-ir-18 csISO18Greek7Old }
+ { latin-greek iso-ir-19 csISO19LatinGreek }
+ { DIN_66003 iso-ir-21 de ISO646-DE csISO21German }
+ { NF_Z_62-010_(1973) iso-ir-25 ISO646-FR1 csISO25French }
+ { Latin-greek-1 iso-ir-27 csISO27LatinGreek1 }
+ { ISO_5427 iso-ir-37 csISO5427Cyrillic }
+ { JIS_C6226-1978 iso-ir-42 csISO42JISC62261978 }
+ { BS_viewdata iso-ir-47 csISO47BSViewdata }
+ { INIS iso-ir-49 csISO49INIS }
+ { INIS-8 iso-ir-50 csISO50INIS8 }
+ { INIS-cyrillic iso-ir-51 csISO51INISCyrillic }
+ { ISO_5427:1981 iso-ir-54 ISO5427Cyrillic1981 }
+ { ISO_5428:1980 iso-ir-55 csISO5428Greek }
+ { GB_1988-80 iso-ir-57 cn ISO646-CN csISO57GB1988 }
+ { GB_2312-80 iso-ir-58 chinese csISO58GB231280 }
+ { NS_4551-1 iso-ir-60 ISO646-NO no csISO60DanishNorwegian
+ csISO60Norwegian1 }
+ { NS_4551-2 ISO646-NO2 iso-ir-61 no2 csISO61Norwegian2 }
+ { NF_Z_62-010 iso-ir-69 ISO646-FR fr csISO69French }
+ { videotex-suppl iso-ir-70 csISO70VideotexSupp1 }
+ { PT2 iso-ir-84 ISO646-PT2 csISO84Portuguese2 }
+ { ES2 iso-ir-85 ISO646-ES2 csISO85Spanish2 }
+ { MSZ_7795.3 iso-ir-86 ISO646-HU hu csISO86Hungarian }
+ { JIS_C6226-1983 iso-ir-87 x0208 JIS_X0208-1983 csISO87JISX0208 }
+ { greek7 iso-ir-88 csISO88Greek7 }
+ { ASMO_449 ISO_9036 arabic7 iso-ir-89 csISO89ASMO449 }
+ { iso-ir-90 csISO90 }
+ { JIS_C6229-1984-a iso-ir-91 jp-ocr-a csISO91JISC62291984a }
+ { JIS_C6229-1984-b iso-ir-92 ISO646-JP-OCR-B jp-ocr-b
+ csISO92JISC62991984b }
+ { JIS_C6229-1984-b-add iso-ir-93 jp-ocr-b-add csISO93JIS62291984badd }
+ { JIS_C6229-1984-hand iso-ir-94 jp-ocr-hand csISO94JIS62291984hand }
+ { JIS_C6229-1984-hand-add iso-ir-95 jp-ocr-hand-add
+ csISO95JIS62291984handadd }
+ { JIS_C6229-1984-kana iso-ir-96 csISO96JISC62291984kana }
+ { ISO_2033-1983 iso-ir-98 e13b csISO2033 }
+ { ANSI_X3.110-1983 iso-ir-99 CSA_T500-1983 NAPLPS csISO99NAPLPS }
+ { ISO_8859-1:1987 iso-ir-100 ISO_8859-1 ISO-8859-1 latin1 l1 IBM819
+ CP819 csISOLatin1 }
+ { ISO_8859-2:1987 iso-ir-101 ISO_8859-2 ISO-8859-2 latin2 l2 csISOLatin2 }
+ { T.61-7bit iso-ir-102 csISO102T617bit }
+ { T.61-8bit T.61 iso-ir-103 csISO103T618bit }
+ { ISO_8859-3:1988 iso-ir-109 ISO_8859-3 ISO-8859-3 latin3 l3 csISOLatin3 }
+ { ISO_8859-4:1988 iso-ir-110 ISO_8859-4 ISO-8859-4 latin4 l4 csISOLatin4 }
+ { ECMA-cyrillic iso-ir-111 KOI8-E csISO111ECMACyrillic }
+ { CSA_Z243.4-1985-1 iso-ir-121 ISO646-CA csa7-1 ca csISO121Canadian1 }
+ { CSA_Z243.4-1985-2 iso-ir-122 ISO646-CA2 csa7-2 csISO122Canadian2 }
+ { CSA_Z243.4-1985-gr iso-ir-123 csISO123CSAZ24341985gr }
+ { ISO_8859-6:1987 iso-ir-127 ISO_8859-6 ISO-8859-6 ECMA-114 ASMO-708
+ arabic csISOLatinArabic }
+ { ISO_8859-6-E csISO88596E ISO-8859-6-E }
+ { ISO_8859-6-I csISO88596I ISO-8859-6-I }
+ { ISO_8859-7:1987 iso-ir-126 ISO_8859-7 ISO-8859-7 ELOT_928 ECMA-118
+ greek greek8 csISOLatinGreek }
+ { T.101-G2 iso-ir-128 csISO128T101G2 }
+ { ISO_8859-8:1988 iso-ir-138 ISO_8859-8 ISO-8859-8 hebrew
+ csISOLatinHebrew }
+ { ISO_8859-8-E csISO88598E ISO-8859-8-E }
+ { ISO_8859-8-I csISO88598I ISO-8859-8-I }
+ { CSN_369103 iso-ir-139 csISO139CSN369103 }
+ { JUS_I.B1.002 iso-ir-141 ISO646-YU js yu csISO141JUSIB1002 }
+ { ISO_6937-2-add iso-ir-142 csISOTextComm }
+ { IEC_P27-1 iso-ir-143 csISO143IECP271 }
+ { ISO_8859-5:1988 iso-ir-144 ISO_8859-5 ISO-8859-5 cyrillic
+ csISOLatinCyrillic }
+ { JUS_I.B1.003-serb iso-ir-146 serbian csISO146Serbian }
+ { JUS_I.B1.003-mac macedonian iso-ir-147 csISO147Macedonian }
+ { ISO_8859-9:1989 iso-ir-148 ISO_8859-9 ISO-8859-9 latin5 l5 csISOLatin5 }
+ { greek-ccitt iso-ir-150 csISO150 csISO150GreekCCITT }
+ { NC_NC00-10:81 cuba iso-ir-151 ISO646-CU csISO151Cuba }
+ { ISO_6937-2-25 iso-ir-152 csISO6937Add }
+ { GOST_19768-74 ST_SEV_358-88 iso-ir-153 csISO153GOST1976874 }
+ { ISO_8859-supp iso-ir-154 latin1-2-5 csISO8859Supp }
+ { ISO_10367-box iso-ir-155 csISO10367Box }
+ { ISO-8859-10 iso-ir-157 l6 ISO_8859-10:1992 csISOLatin6 latin6 }
+ { latin-lap lap iso-ir-158 csISO158Lap }
+ { JIS_X0212-1990 x0212 iso-ir-159 csISO159JISX02121990 }
+ { DS_2089 DS2089 ISO646-DK dk csISO646Danish }
+ { us-dk csUSDK }
+ { dk-us csDKUS }
+ { JIS_X0201 X0201 csHalfWidthKatakana }
+ { KSC5636 ISO646-KR csKSC5636 }
+ { ISO-10646-UCS-2 csUnicode }
+ { ISO-10646-UCS-4 csUCS4 }
+ { DEC-MCS dec csDECMCS }
+ { hp-roman8 roman8 r8 csHPRoman8 }
+ { macintosh mac csMacintosh }
+ { IBM037 cp037 ebcdic-cp-us ebcdic-cp-ca ebcdic-cp-wt ebcdic-cp-nl
+ csIBM037 }
+ { IBM038 EBCDIC-INT cp038 csIBM038 }
+ { IBM273 CP273 csIBM273 }
+ { IBM274 EBCDIC-BE CP274 csIBM274 }
+ { IBM275 EBCDIC-BR cp275 csIBM275 }
+ { IBM277 EBCDIC-CP-DK EBCDIC-CP-NO csIBM277 }
+ { IBM278 CP278 ebcdic-cp-fi ebcdic-cp-se csIBM278 }
+ { IBM280 CP280 ebcdic-cp-it csIBM280 }
+ { IBM281 EBCDIC-JP-E cp281 csIBM281 }
+ { IBM284 CP284 ebcdic-cp-es csIBM284 }
+ { IBM285 CP285 ebcdic-cp-gb csIBM285 }
+ { IBM290 cp290 EBCDIC-JP-kana csIBM290 }
+ { IBM297 cp297 ebcdic-cp-fr csIBM297 }
+ { IBM420 cp420 ebcdic-cp-ar1 csIBM420 }
+ { IBM423 cp423 ebcdic-cp-gr csIBM423 }
+ { IBM424 cp424 ebcdic-cp-he csIBM424 }
+ { IBM437 cp437 437 csPC8CodePage437 }
+ { IBM500 CP500 ebcdic-cp-be ebcdic-cp-ch csIBM500 }
+ { IBM775 cp775 csPC775Baltic }
+ { IBM850 cp850 850 csPC850Multilingual }
+ { IBM851 cp851 851 csIBM851 }
+ { IBM852 cp852 852 csPCp852 }
+ { IBM855 cp855 855 csIBM855 }
+ { IBM857 cp857 857 csIBM857 }
+ { IBM860 cp860 860 csIBM860 }
+ { IBM861 cp861 861 cp-is csIBM861 }
+ { IBM862 cp862 862 csPC862LatinHebrew }
+ { IBM863 cp863 863 csIBM863 }
+ { IBM864 cp864 csIBM864 }
+ { IBM865 cp865 865 csIBM865 }
+ { IBM866 cp866 866 csIBM866 }
+ { IBM868 CP868 cp-ar csIBM868 }
+ { IBM869 cp869 869 cp-gr csIBM869 }
+ { IBM870 CP870 ebcdic-cp-roece ebcdic-cp-yu csIBM870 }
+ { IBM871 CP871 ebcdic-cp-is csIBM871 }
+ { IBM880 cp880 EBCDIC-Cyrillic csIBM880 }
+ { IBM891 cp891 csIBM891 }
+ { IBM903 cp903 csIBM903 }
+ { IBM904 cp904 904 csIBBM904 }
+ { IBM905 CP905 ebcdic-cp-tr csIBM905 }
+ { IBM918 CP918 ebcdic-cp-ar2 csIBM918 }
+ { IBM1026 CP1026 csIBM1026 }
+ { EBCDIC-AT-DE csIBMEBCDICATDE }
+ { EBCDIC-AT-DE-A csEBCDICATDEA }
+ { EBCDIC-CA-FR csEBCDICCAFR }
+ { EBCDIC-DK-NO csEBCDICDKNO }
+ { EBCDIC-DK-NO-A csEBCDICDKNOA }
+ { EBCDIC-FI-SE csEBCDICFISE }
+ { EBCDIC-FI-SE-A csEBCDICFISEA }
+ { EBCDIC-FR csEBCDICFR }
+ { EBCDIC-IT csEBCDICIT }
+ { EBCDIC-PT csEBCDICPT }
+ { EBCDIC-ES csEBCDICES }
+ { EBCDIC-ES-A csEBCDICESA }
+ { EBCDIC-ES-S csEBCDICESS }
+ { EBCDIC-UK csEBCDICUK }
+ { EBCDIC-US csEBCDICUS }
+ { UNKNOWN-8BIT csUnknown8BiT }
+ { MNEMONIC csMnemonic }
+ { MNEM csMnem }
+ { VISCII csVISCII }
+ { VIQR csVIQR }
+ { KOI8-R csKOI8R }
+ { IBM00858 CCSID00858 CP00858 PC-Multilingual-850+euro }
+ { IBM00924 CCSID00924 CP00924 ebcdic-Latin9--euro }
+ { IBM01140 CCSID01140 CP01140 ebcdic-us-37+euro }
+ { IBM01141 CCSID01141 CP01141 ebcdic-de-273+euro }
+ { IBM01142 CCSID01142 CP01142 ebcdic-dk-277+euro ebcdic-no-277+euro }
+ { IBM01143 CCSID01143 CP01143 ebcdic-fi-278+euro ebcdic-se-278+euro }
+ { IBM01144 CCSID01144 CP01144 ebcdic-it-280+euro }
+ { IBM01145 CCSID01145 CP01145 ebcdic-es-284+euro }
+ { IBM01146 CCSID01146 CP01146 ebcdic-gb-285+euro }
+ { IBM01147 CCSID01147 CP01147 ebcdic-fr-297+euro }
+ { IBM01148 CCSID01148 CP01148 ebcdic-international-500+euro }
+ { IBM01149 CCSID01149 CP01149 ebcdic-is-871+euro }
+ { IBM1047 IBM-1047 }
+ { PTCP154 csPTCP154 PT154 CP154 Cyrillic-Asian }
+ { Amiga-1251 Ami1251 Amiga1251 Ami-1251 }
+ { UNICODE-1-1 csUnicode11 }
+ { CESU-8 csCESU-8 }
+ { BOCU-1 csBOCU-1 }
+ { UNICODE-1-1-UTF-7 csUnicode11UTF7 }
+ { ISO-8859-14 iso-ir-199 ISO_8859-14:1998 ISO_8859-14 latin8 iso-celtic
+ l8 }
+ { ISO-8859-15 ISO_8859-15 Latin-9 }
+ { ISO-8859-16 iso-ir-226 ISO_8859-16:2001 ISO_8859-16 latin10 l10 }
+ { GBK CP936 MS936 windows-936 }
+ { JIS_Encoding csJISEncoding }
+ { Shift_JIS MS_Kanji csShiftJIS ShiftJIS Shift-JIS }
+ { Extended_UNIX_Code_Packed_Format_for_Japanese csEUCPkdFmtJapanese
+ EUC-JP }
+ { Extended_UNIX_Code_Fixed_Width_for_Japanese csEUCFixWidJapanese }
+ { ISO-10646-UCS-Basic csUnicodeASCII }
+ { ISO-10646-Unicode-Latin1 csUnicodeLatin1 ISO-10646 }
+ { ISO-Unicode-IBM-1261 csUnicodeIBM1261 }
+ { ISO-Unicode-IBM-1268 csUnicodeIBM1268 }
+ { ISO-Unicode-IBM-1276 csUnicodeIBM1276 }
+ { ISO-Unicode-IBM-1264 csUnicodeIBM1264 }
+ { ISO-Unicode-IBM-1265 csUnicodeIBM1265 }
+ { ISO-8859-1-Windows-3.0-Latin-1 csWindows30Latin1 }
+ { ISO-8859-1-Windows-3.1-Latin-1 csWindows31Latin1 }
+ { ISO-8859-2-Windows-Latin-2 csWindows31Latin2 }
+ { ISO-8859-9-Windows-Latin-5 csWindows31Latin5 }
+ { Adobe-Standard-Encoding csAdobeStandardEncoding }
+ { Ventura-US csVenturaUS }
+ { Ventura-International csVenturaInternational }
+ { PC8-Danish-Norwegian csPC8DanishNorwegian }
+ { PC8-Turkish csPC8Turkish }
+ { IBM-Symbols csIBMSymbols }
+ { IBM-Thai csIBMThai }
+ { HP-Legal csHPLegal }
+ { HP-Pi-font csHPPiFont }
+ { HP-Math8 csHPMath8 }
+ { Adobe-Symbol-Encoding csHPPSMath }
+ { HP-DeskTop csHPDesktop }
+ { Ventura-Math csVenturaMath }
+ { Microsoft-Publishing csMicrosoftPublishing }
+ { Windows-31J csWindows31J }
+ { GB2312 csGB2312 }
+ { Big5 csBig5 }
+}
+
+proc tcl_encoding {enc} {
+ global encoding_aliases tcl_encoding_cache
+ if {[info exists tcl_encoding_cache($enc)]} {
+ return $tcl_encoding_cache($enc)
+ }
+ set names [encoding names]
+ set lcnames [string tolower $names]
+ set enc [string tolower $enc]
+ set i [lsearch -exact $lcnames $enc]
+ if {$i < 0} {
+ # look for "isonnn" instead of "iso-nnn" or "iso_nnn"
+ if {[regsub {^(iso|cp|ibm|jis)[-_]} $enc {\1} encx]} {
+ set i [lsearch -exact $lcnames $encx]
+ }
+ }
+ if {$i < 0} {
+ foreach l $encoding_aliases {
+ set ll [string tolower $l]
+ if {[lsearch -exact $ll $enc] < 0} continue
+ # look through the aliases for one that tcl knows about
+ foreach e $ll {
+ set i [lsearch -exact $lcnames $e]
+ if {$i < 0} {
+ if {[regsub {^(iso|cp|ibm|jis)[-_]} $e {\1} ex]} {
+ set i [lsearch -exact $lcnames $ex]
+ }
+ }
+ if {$i >= 0} break
+ }
+ break
+ }
+ }
+ set tclenc {}
+ if {$i >= 0} {
+ set tclenc [lindex $names $i]
+ }
+ set tcl_encoding_cache($enc) $tclenc
+ return $tclenc
+}
+
+proc gitattr {path attr default} {
+ global path_attr_cache
+ if {[info exists path_attr_cache($attr,$path)]} {
+ set r $path_attr_cache($attr,$path)
+ } else {
+ set r "unspecified"
+ if {![catch {set line [exec git check-attr $attr -- $path]}]} {
+ regexp "(.*): $attr: (.*)" $line m f r
+ }
+ set path_attr_cache($attr,$path) $r
+ }
+ if {$r eq "unspecified"} {
+ return $default
+ }
+ return $r
+}
+
+proc cache_gitattr {attr pathlist} {
+ global path_attr_cache
+ set newlist {}
+ foreach path $pathlist {
+ if {![info exists path_attr_cache($attr,$path)]} {
+ lappend newlist $path
+ }
+ }
+ set lim 1000
+ if {[tk windowingsystem] == "win32"} {
+ # windows has a 32k limit on the arguments to a command...
+ set lim 30
+ }
+ while {$newlist ne {}} {
+ set head [lrange $newlist 0 [expr {$lim - 1}]]
+ set newlist [lrange $newlist $lim end]
+ if {![catch {set rlist [eval exec git check-attr $attr -- $head]}]} {
+ foreach row [split $rlist "\n"] {
+ if {[regexp "(.*): $attr: (.*)" $row m path value]} {
+ if {[string index $path 0] eq "\""} {
+ set path [encoding convertfrom [lindex $path 0]]
+ }
+ set path_attr_cache($attr,$path) $value
+ }
+ }
+ }
+ }
+}
+
+proc get_path_encoding {path} {
+ global gui_encoding perfile_attrs
+ set tcl_enc $gui_encoding
+ if {$path ne {} && $perfile_attrs} {
+ set enc2 [tcl_encoding [gitattr $path encoding $tcl_enc]]
+ if {$enc2 ne {}} {
+ set tcl_enc $enc2
+ }
+ }
+ return $tcl_enc
+}
+
+# First check that Tcl/Tk is recent enough
+if {[catch {package require Tk 8.4} err]} {
+ show_error {} . "Sorry, gitk cannot run with this version of Tcl/Tk.\n\
+ Gitk requires at least Tcl/Tk 8.4." list
+ exit 1
+}
+
+# defaults...
+set wrcomcmd "git diff-tree --stdin -p --pretty"
+
+set gitencoding {}
+catch {
+ set gitencoding [exec git config --get i18n.commitencoding]
+}
+catch {
+ set gitencoding [exec git config --get i18n.logoutputencoding]
+}
+if {$gitencoding == ""} {
+ set gitencoding "utf-8"
+}
+set tclencoding [tcl_encoding $gitencoding]
+if {$tclencoding == {}} {
+ puts stderr "Warning: encoding $gitencoding is not supported by Tcl/Tk"
+}
+
+set gui_encoding [encoding system]
+catch {
+ set enc [exec git config --get gui.encoding]
+ if {$enc ne {}} {
+ set tclenc [tcl_encoding $enc]
+ if {$tclenc ne {}} {
+ set gui_encoding $tclenc
+ } else {
+ puts stderr "Warning: encoding $enc is not supported by Tcl/Tk"
+ }
+ }
+}
+
+if {[tk windowingsystem] eq "aqua"} {
+ set mainfont {{Lucida Grande} 9}
+ set textfont {Monaco 9}
+ set uifont {{Lucida Grande} 9 bold}
+} else {
+ set mainfont {Helvetica 9}
+ set textfont {Courier 9}
+ set uifont {Helvetica 9 bold}
+}
+set tabstop 8
+set findmergefiles 0
+set maxgraphpct 50
+set maxwidth 16
+set revlistorder 0
+set fastdate 0
+set uparrowlen 5
+set downarrowlen 5
+set mingaplen 100
+set cmitmode "patch"
+set wrapcomment "none"
+set showneartags 1
+set hideremotes 0
+set maxrefs 20
+set maxlinelen 200
+set showlocalchanges 1
+set limitdiffs 1
+set datetimeformat "%Y-%m-%d %H:%M:%S"
+set autoselect 1
+set perfile_attrs 0
+set want_ttk 1
+
+if {[tk windowingsystem] eq "aqua"} {
+ set extdifftool "opendiff"
+} else {
+ set extdifftool "meld"
+}
+
+set colors {green red blue magenta darkgrey brown orange}
+if {[tk windowingsystem] eq "win32"} {
+ set uicolor SystemButtonFace
+ set bgcolor SystemWindow
+ set fgcolor SystemButtonText
+ set selectbgcolor SystemHighlight
+} else {
+ set uicolor grey85
+ set bgcolor white
+ set fgcolor black
+ set selectbgcolor gray85
+}
+set diffcolors {red "#00a000" blue}
+set diffcontext 3
+set ignorespace 0
+set markbgcolor "#e0e0ff"
+
+set circlecolors {white blue gray blue blue}
+
+# button for popping up context menus
+if {[tk windowingsystem] eq "aqua"} {
+ set ctxbut <Button-2>
+} else {
+ set ctxbut <Button-3>
+}
+
+## For msgcat loading, first locate the installation location.
+if { [info exists ::env(GITK_MSGSDIR)] } {
+ ## Msgsdir was manually set in the environment.
+ set gitk_msgsdir $::env(GITK_MSGSDIR)
+} else {
+ ## Let's guess the prefix from argv0.
+ set gitk_prefix [file dirname [file dirname [file normalize $argv0]]]
+ set gitk_libdir [file join $gitk_prefix share gitk lib]
+ set gitk_msgsdir [file join $gitk_libdir msgs]
+ unset gitk_prefix
+}
+
+## Internationalization (i18n) through msgcat and gettext. See
+## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
+package require msgcat
+namespace import ::msgcat::mc
+## And eventually load the actual message catalog
+::msgcat::mcload $gitk_msgsdir
+
+catch {source ~/.gitk}
+
+font create optionfont -family sans-serif -size -12
+
+parsefont mainfont $mainfont
+eval font create mainfont [fontflags mainfont]
+eval font create mainfontbold [fontflags mainfont 1]
+
+parsefont textfont $textfont
+eval font create textfont [fontflags textfont]
+eval font create textfontbold [fontflags textfont 1]
+
+parsefont uifont $uifont
+eval font create uifont [fontflags uifont]
+
+setui $uicolor
+
+setoptions
+
+# check that we can find a .git directory somewhere...
+if {[catch {set gitdir [gitdir]}]} {
+ show_error {} . [mc "Cannot find a git repository here."]
+ exit 1
+}
+if {![file isdirectory $gitdir]} {
+ show_error {} . [mc "Cannot find the git directory \"%s\"." $gitdir]
+ exit 1
+}
+
+set selecthead {}
+set selectheadid {}
+
+set revtreeargs {}
+set cmdline_files {}
+set i 0
+set revtreeargscmd {}
+foreach arg $argv {
+ switch -glob -- $arg {
+ "" { }
+ "--" {
+ set cmdline_files [lrange $argv [expr {$i + 1}] end]
+ break
+ }
+ "--select-commit=*" {
+ set selecthead [string range $arg 16 end]
+ }
+ "--argscmd=*" {
+ set revtreeargscmd [string range $arg 10 end]
+ }
+ default {
+ lappend revtreeargs $arg
+ }
+ }
+ incr i
+}
+
+if {$selecthead eq "HEAD"} {
+ set selecthead {}
+}
+
+if {$i >= [llength $argv] && $revtreeargs ne {}} {
+ # no -- on command line, but some arguments (other than --argscmd)
+ if {[catch {
+ set f [eval exec git rev-parse --no-revs --no-flags $revtreeargs]
+ set cmdline_files [split $f "\n"]
+ set n [llength $cmdline_files]
+ set revtreeargs [lrange $revtreeargs 0 end-$n]
+ # Unfortunately git rev-parse doesn't produce an error when
+ # something is both a revision and a filename. To be consistent
+ # with git log and git rev-list, check revtreeargs for filenames.
+ foreach arg $revtreeargs {
+ if {[file exists $arg]} {
+ show_error {} . [mc "Ambiguous argument '%s': both revision\
+ and filename" $arg]
+ exit 1
+ }
+ }
+ } err]} {
+ # unfortunately we get both stdout and stderr in $err,
+ # so look for "fatal:".
+ set i [string first "fatal:" $err]
+ if {$i > 0} {
+ set err [string range $err [expr {$i + 6}] end]
+ }
+ show_error {} . "[mc "Bad arguments to gitk:"]\n$err"
+ exit 1
+ }
+}
+
+set nullid "0000000000000000000000000000000000000000"
+set nullid2 "0000000000000000000000000000000000000001"
+set nullfile "/dev/null"
+
+set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
+if {![info exists have_ttk]} {
+ set have_ttk [llength [info commands ::ttk::style]]
+}
+set use_ttk [expr {$have_ttk && $want_ttk}]
+set NS [expr {$use_ttk ? "ttk" : ""}]
+
+set git_version [join [lrange [split [lindex [exec git version] end] .] 0 2] .]
+
+set runq {}
+set history {}
+set historyindex 0
+set fh_serial 0
+set nhl_names {}
+set highlight_paths {}
+set findpattern {}
+set searchdirn -forwards
+set boldids {}
+set boldnameids {}
+set diffelide {0 0}
+set markingmatches 0
+set linkentercount 0
+set need_redisplay 0
+set nrows_drawn 0
+set firsttabstop 0
+
+set nextviewnum 1
+set curview 0
+set selectedview 0
+set selectedhlview [mc "None"]
+set highlight_related [mc "None"]
+set highlight_files {}
+set viewfiles(0) {}
+set viewperm(0) 0
+set viewargs(0) {}
+set viewargscmd(0) {}
+
+set selectedline {}
+set numcommits 0
+set loginstance 0
+set cmdlineok 0
+set stopped 0
+set stuffsaved 0
+set patchnum 0
+set lserial 0
+set isworktree [expr {[exec git rev-parse --is-inside-work-tree] == "true"}]
+setcoords
+makewindow
+catch {
+ image create photo gitlogo -width 16 -height 16
+
+ image create photo gitlogominus -width 4 -height 2
+ gitlogominus put #C00000 -to 0 0 4 2
+ gitlogo copy gitlogominus -to 1 5
+ gitlogo copy gitlogominus -to 6 5
+ gitlogo copy gitlogominus -to 11 5
+ image delete gitlogominus
+
+ image create photo gitlogoplus -width 4 -height 4
+ gitlogoplus put #008000 -to 1 0 3 4
+ gitlogoplus put #008000 -to 0 1 4 3
+ gitlogo copy gitlogoplus -to 1 9
+ gitlogo copy gitlogoplus -to 6 9
+ gitlogo copy gitlogoplus -to 11 9
+ image delete gitlogoplus
+
+ image create photo gitlogo32 -width 32 -height 32
+ gitlogo32 copy gitlogo -zoom 2 2
+
+ wm iconphoto . -default gitlogo gitlogo32
+}
+# wait for the window to become visible
+tkwait visibility .
+wm title . "[file tail $argv0]: [file tail [pwd]]"
+update
+readrefs
+
+if {$cmdline_files ne {} || $revtreeargs ne {} || $revtreeargscmd ne {}} {
+ # create a view for the files/dirs specified on the command line
+ set curview 1
+ set selectedview 1
+ set nextviewnum 2
+ set viewname(1) [mc "Command line"]
+ set viewfiles(1) $cmdline_files
+ set viewargs(1) $revtreeargs
+ set viewargscmd(1) $revtreeargscmd
+ set viewperm(1) 0
+ set vdatemode(1) 0
+ addviewmenu 1
+ .bar.view entryconf [mca "Edit view..."] -state normal
+ .bar.view entryconf [mca "Delete view"] -state normal
+}
+
+if {[info exists permviews]} {
+ foreach v $permviews {
+ set n $nextviewnum
+ incr nextviewnum
+ set viewname($n) [lindex $v 0]
+ set viewfiles($n) [lindex $v 1]
+ set viewargs($n) [lindex $v 2]
+ set viewargscmd($n) [lindex $v 3]
+ set viewperm($n) 1
+ addviewmenu $n
+ }
+}
+
+if {[tk windowingsystem] eq "win32"} {
+ focus -force .
+}
+
+getcommits {}