Code

Merge branch 'mm/maint-sort-config-doc' into mm/sort-config-doc
[git.git] / git-gui / lib / browser.tcl
1 # git-gui tree browser
2 # Copyright (C) 2006, 2007 Shawn Pearce
4 class browser {
6 image create photo ::browser::img_parent  -data {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}
7 image create photo ::browser::img_rblob   -data {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}
8 image create photo ::browser::img_xblob   -data {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}
9 image create photo ::browser::img_tree    -data {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}
10 image create photo ::browser::img_symlink -data {R0lGODlhEAAQAIQAAPwCBCwqLLSytLy+vERGRFRWVDQ2NKSmpAQCBKyurMTGxISChJyanHR2dIyKjGxubHRydGRmZIyOjFxeXHx6fAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAAAALAAAAAAQABAAAAVbICACwWieY1CibCCsrBkMb0zchSEcNYskCtqBBzshFkOGQFk0IRqOxqPBODRHCMhCQKteRc9FI/KQWGOIyFYgkDC+gPR4snCcfRGKOIKIgSMQE31+f4OEYCZ+IQAh/mhDcmVhdGVkIGJ5IEJNUFRvR0lGIFBybyB2ZXJzaW9uIDIuNQ0KqSBEZXZlbENvciAxOTk3LDE5OTguIEFsbCByaWdodHMgcmVzZXJ2ZWQuDQpodHRwOi8vd3d3LmRldmVsY29yLmNvbQA7}
11 image create photo ::browser::img_unknown -data {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}
13 field w
14 field browser_commit
15 field browser_path
16 field browser_files  {}
17 field browser_status [mc "Starting..."]
18 field browser_stack  {}
19 field browser_busy   1
21 field ls_buf     {}; # Buffered record output from ls-tree
23 constructor new {commit {path {}}} {
24         global cursor_ptr M1B
25         make_toplevel top w
26         wm title $top [append "[appname] ([reponame]): " [mc "File Browser"]]
28         set browser_commit $commit
29         set browser_path $browser_commit:$path
31         label $w.path \
32                 -textvariable @browser_path \
33                 -anchor w \
34                 -justify left \
35                 -borderwidth 1 \
36                 -relief sunken \
37                 -font font_uibold
38         pack $w.path -anchor w -side top -fill x
40         frame $w.list
41         set w_list $w.list.l
42         text $w_list -background white -foreground black \
43                 -borderwidth 0 \
44                 -cursor $cursor_ptr \
45                 -state disabled \
46                 -wrap none \
47                 -height 20 \
48                 -width 70 \
49                 -xscrollcommand [list $w.list.sbx set] \
50                 -yscrollcommand [list $w.list.sby set]
51         rmsel_tag $w_list
52         scrollbar $w.list.sbx -orient h -command [list $w_list xview]
53         scrollbar $w.list.sby -orient v -command [list $w_list yview]
54         pack $w.list.sbx -side bottom -fill x
55         pack $w.list.sby -side right -fill y
56         pack $w_list -side left -fill both -expand 1
57         pack $w.list -side top -fill both -expand 1
59         label $w.status \
60                 -textvariable @browser_status \
61                 -anchor w \
62                 -justify left \
63                 -borderwidth 1 \
64                 -relief sunken
65         pack $w.status -anchor w -side bottom -fill x
67         bind $w_list <Button-1>        "[cb _click 0 @%x,%y];break"
68         bind $w_list <Double-Button-1> "[cb _click 1 @%x,%y];break"
69         bind $w_list <$M1B-Up>         "[cb _parent]        ;break"
70         bind $w_list <$M1B-Left>       "[cb _parent]        ;break"
71         bind $w_list <Up>              "[cb _move -1]       ;break"
72         bind $w_list <Down>            "[cb _move  1]       ;break"
73         bind $w_list <$M1B-Right>      "[cb _enter]         ;break"
74         bind $w_list <Return>          "[cb _enter]         ;break"
75         bind $w_list <Prior>           "[cb _page -1]       ;break"
76         bind $w_list <Next>            "[cb _page  1]       ;break"
77         bind $w_list <Left>            break
78         bind $w_list <Right>           break
80         bind $w_list <Visibility> [list focus $w_list]
81         set w $w_list
82         if {$path ne {}} {
83                 _ls $this $browser_commit:$path $path
84         } else {
85                 _ls $this $browser_commit $path
86         }
87         return $this
88 }
90 method _move {dir} {
91         if {$browser_busy} return
92         set lno [lindex [split [$w index in_sel.first] .] 0]
93         incr lno $dir
94         if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
95                 $w tag remove in_sel 0.0 end
96                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
97                 $w see $lno.0
98         }
99 }
101 method _page {dir} {
102         if {$browser_busy} return
103         $w yview scroll $dir pages
104         set lno [expr {int(
105                   [lindex [$w yview] 0]
106                 * [llength $browser_files]
107                 + 1)}]
108         if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
109                 $w tag remove in_sel 0.0 end
110                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
111                 $w see $lno.0
112         }
115 method _parent {} {
116         if {$browser_busy} return
117         set info [lindex $browser_files 0]
118         if {[lindex $info 0] eq {parent}} {
119                 set parent [lindex $browser_stack end-1]
120                 set browser_stack [lrange $browser_stack 0 end-2]
121                 if {$browser_stack eq {}} {
122                         regsub {:.*$} $browser_path {:} browser_path
123                 } else {
124                         regsub {/[^/]+$} $browser_path {} browser_path
125                 }
126                 set browser_status [mc "Loading %s..." $browser_path]
127                 _ls $this [lindex $parent 0] [lindex $parent 1]
128         }
131 method _enter {} {
132         if {$browser_busy} return
133         set lno [lindex [split [$w index in_sel.first] .] 0]
134         set info [lindex $browser_files [expr {$lno - 1}]]
135         if {$info ne {}} {
136                 switch -- [lindex $info 0] {
137                 parent {
138                         _parent $this
139                 }
140                 tree {
141                         set name [lindex $info 2]
142                         set escn [escape_path $name]
143                         set browser_status [mc "Loading %s..." $escn]
144                         append browser_path $escn
145                         _ls $this [lindex $info 1] $name
146                 }
147                 blob {
148                         set name [lindex $info 2]
149                         set p {}
150                         foreach n $browser_stack {
151                                 append p [lindex $n 1]
152                         }
153                         append p $name
154                         blame::new $browser_commit $p {}
155                 }
156                 }
157         }
160 method _click {was_double_click pos} {
161         if {$browser_busy} return
162         set lno [lindex [split [$w index $pos] .] 0]
163         focus $w
165         if {[lindex $browser_files [expr {$lno - 1}]] ne {}} {
166                 $w tag remove in_sel 0.0 end
167                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
168                 if {$was_double_click} {
169                         _enter $this
170                 }
171         }
174 method _ls {tree_id {name {}}} {
175         set ls_buf {}
176         set browser_files {}
177         set browser_busy 1
179         $w conf -state normal
180         $w tag remove in_sel 0.0 end
181         $w delete 0.0 end
182         if {$browser_stack ne {}} {
183                 $w image create end \
184                         -align center -padx 5 -pady 1 \
185                         -name icon0 \
186                         -image ::browser::img_parent
187                 $w insert end [mc "\[Up To Parent\]"]
188                 lappend browser_files parent
189         }
190         lappend browser_stack [list $tree_id $name]
191         $w conf -state disabled
193         set fd [git_read ls-tree -z $tree_id]
194         fconfigure $fd -blocking 0 -translation binary -encoding binary
195         fileevent $fd readable [cb _read $fd]
198 method _read {fd} {
199         append ls_buf [read $fd]
200         set pck [split $ls_buf "\0"]
201         set ls_buf [lindex $pck end]
203         set n [llength $browser_files]
204         $w conf -state normal
205         foreach p [lrange $pck 0 end-1] {
206                 set tab [string first "\t" $p]
207                 if {$tab == -1} continue
209                 set info [split [string range $p 0 [expr {$tab - 1}]] { }]
210                 set path [string range $p [expr {$tab + 1}] end]
211                 set type   [lindex $info 1]
212                 set object [lindex $info 2]
214                 switch -- $type {
215                 blob {
216                         scan [lindex $info 0] %o mode
217                         if {$mode == 0120000} {
218                                 set image ::browser::img_symlink
219                         } elseif {($mode & 0100) != 0} {
220                                 set image ::browser::img_xblob
221                         } else {
222                                 set image ::browser::img_rblob
223                         }
224                 }
225                 tree {
226                         set image ::browser::img_tree
227                         append path /
228                 }
229                 default {
230                         set image ::browser::img_unknown
231                 }
232                 }
234                 if {$n > 0} {$w insert end "\n"}
235                 $w image create end \
236                         -align center -padx 5 -pady 1 \
237                         -name icon[incr n] \
238                         -image $image
239                 $w insert end [escape_path $path]
240                 lappend browser_files [list $type $object $path]
241         }
242         $w conf -state disabled
244         if {[eof $fd]} {
245                 close $fd
246                 set browser_status [mc "Ready."]
247                 set browser_busy 0
248                 set ls_buf {}
249                 if {$n > 0} {
250                         $w tag add in_sel 1.0 2.0
251                         focus -force $w
252                 }
253         }
254 } ifdeleted {
255         catch {close $fd}
260 class browser_open {
262 field w              ; # widget path
263 field w_rev          ; # mega-widget to pick the initial revision
265 constructor dialog {} {
266         make_toplevel top w
267         wm title $top [append "[appname] ([reponame]): " [mc "Browse Branch Files"]]
268         if {$top ne {.}} {
269                 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
270         }
272         label $w.header \
273                 -text [mc "Browse Branch Files"] \
274                 -font font_uibold
275         pack $w.header -side top -fill x
277         frame $w.buttons
278         button $w.buttons.browse -text [mc Browse] \
279                 -default active \
280                 -command [cb _open]
281         pack $w.buttons.browse -side right
282         button $w.buttons.cancel -text [mc Cancel] \
283                 -command [list destroy $w]
284         pack $w.buttons.cancel -side right -padx 5
285         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
287         set w_rev [::choose_rev::new $w.rev [mc Revision]]
288         $w_rev bind_listbox <Double-Button-1> [cb _open]
289         pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
291         bind $w <Visibility> [cb _visible]
292         bind $w <Key-Escape> [list destroy $w]
293         bind $w <Key-Return> [cb _open]\;break
294         tkwait window $w
297 method _open {} {
298         if {[catch {$w_rev commit_or_die} err]} {
299                 return
300         }
301         set name [$w_rev get]
302         destroy $w
303         browser::new $name
306 method _visible {} {
307         grab $w
308         $w_rev focus_filter