git-gui/lib/blame.tcl

   1 # git-gui blame viewer
   2 # Copyright (C) 2006, 2007 Shawn Pearce
   3
   4 class blame {
   5
   6 image create photo ::blame::img_back_arrow -data {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}
   7
   8 # Persistant data (survives loads)
   9 #
  10 field history {}; # viewer history: {commit path}
  11 field header    ; # array commit,key -> header field
  12
  13 # Tk UI control paths
  14 #
  15 field w          ; # top window in this viewer
  16 field w_back     ; # our back button
  17 field w_path     ; # label showing the current file path
  18 field w_columns  ; # list of all column widgets in the viewer
  19 field w_line     ; # text column: all line numbers
  20 field w_amov     ; # text column: annotations + move tracking
  21 field w_asim     ; # text column: annotations (simple computation)
  22 field w_file     ; # text column: actual file data
  23 field w_cviewer  ; # pane showing commit message
  24 field status     ; # status mega-widget instance
  25 field old_height ; # last known height of $w.file_pane
  26
  27 # Tk UI colors
  28 #
  29 variable active_color #c0edc5
  30 variable group_colors {
  31         #d6d6d6
  32         #e1e1e1
  33         #ececec
  34 }
  35
  36 # Current blame data; cleared/reset on each load
  37 #
  38 field commit               ; # input commit to blame
  39 field path                 ; # input filename to view in $commit
  40
  41 field current_fd        {} ; # background process running
  42 field highlight_line    -1 ; # current line selected
  43 field highlight_column  {} ; # current commit column selected
  44 field highlight_commit  {} ; # sha1 of commit selected
  45
  46 field total_lines       0  ; # total length of file
  47 field blame_lines       0  ; # number of lines computed
  48 field amov_data            ; # list of {commit origfile origline}
  49 field asim_data            ; # list of {commit origfile origline}
  50
  51 field r_commit             ; # commit currently being parsed
  52 field r_orig_line          ; # original line number
  53 field r_final_line         ; # final line number
  54 field r_line_count         ; # lines in this region
  55
  56 field tooltip_wm        {} ; # Current tooltip toplevel, if open
  57 field tooltip_t         {} ; # Text widget in $tooltip_wm
  58 field tooltip_timer     {} ; # Current timer event for our tooltip
  59 field tooltip_commit    {} ; # Commit(s) in tooltip
  60
  61 constructor new {i_commit i_path} {
  62         global cursor_ptr
  63         variable active_color
  64         variable group_colors
  65
  66         set commit $i_commit
  67         set path   $i_path
  68
  69         make_toplevel top w
  70         wm title $top [append "[appname] ([reponame]): " [mc "File Viewer"]]
  71
  72         frame $w.header -background gold
  73         label $w.header.commit_l \
  74                 -text [mc "Commit:"] \
  75                 -background gold \
  76                 -foreground black \
  77                 -anchor w \
  78                 -justify left
  79         set w_back $w.header.commit_b
  80         label $w_back \
  81                 -image ::blame::img_back_arrow \
  82                 -borderwidth 0 \
  83                 -relief flat \
  84                 -state disabled \
  85                 -background gold \
  86                 -foreground black \
  87                 -activebackground gold
  88         bind $w_back <Button-1> "
  89                 if {\[$w_back cget -state\] eq {normal}} {
  90                         [cb _history_menu]
  91                 }
  92                 "
  93         label $w.header.commit \
  94                 -textvariable @commit \
  95                 -background gold \
  96                 -foreground black \
  97                 -anchor w \
  98                 -justify left
  99         label $w.header.path_l \
 100                 -text [mc "File:"] \
 101                 -background gold \
 102                 -foreground black \
 103                 -anchor w \
 104                 -justify left
 105         set w_path $w.header.path
 106         label $w_path \
 107                 -background gold \
 108                 -foreground black \
 109                 -anchor w \
 110                 -justify left
 111         pack $w.header.commit_l -side left
 112         pack $w_back -side left
 113         pack $w.header.commit -side left
 114         pack $w_path -fill x -side right
 115         pack $w.header.path_l -side right
 116
 117         panedwindow $w.file_pane -orient vertical
 118         frame $w.file_pane.out
 119         frame $w.file_pane.cm
 120         $w.file_pane add $w.file_pane.out \
 121                 -sticky nsew \
 122                 -minsize 100 \
 123                 -height 100 \
 124                 -width 100
 125         $w.file_pane add $w.file_pane.cm \
 126                 -sticky nsew \
 127                 -minsize 25 \
 128                 -height 25 \
 129                 -width 100
 130
 131         set w_line $w.file_pane.out.linenumber_t
 132         text $w_line \
 133                 -takefocus 0 \
 134                 -highlightthickness 0 \
 135                 -padx 0 -pady 0 \
 136                 -background white \
 137                 -foreground black \
 138                 -borderwidth 0 \
 139                 -state disabled \
 140                 -wrap none \
 141                 -height 40 \
 142                 -width 6 \
 143                 -font font_diff
 144         $w_line tag conf linenumber -justify right -rmargin 5
 145
 146         set w_amov $w.file_pane.out.amove_t
 147         text $w_amov \
 148                 -takefocus 0 \
 149                 -highlightthickness 0 \
 150                 -padx 0 -pady 0 \
 151                 -background white \
 152                 -foreground black \
 153                 -borderwidth 0 \
 154                 -state disabled \
 155                 -wrap none \
 156                 -height 40 \
 157                 -width 5 \
 158                 -font font_diff
 159         $w_amov tag conf author_abbr -justify right -rmargin 5
 160         $w_amov tag conf curr_commit
 161         $w_amov tag conf prior_commit -foreground blue -underline 1
 162         $w_amov tag bind prior_commit \
 163                 <Button-1> \
 164                 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
 165
 166         set w_asim $w.file_pane.out.asimple_t
 167         text $w_asim \
 168                 -takefocus 0 \
 169                 -highlightthickness 0 \
 170                 -padx 0 -pady 0 \
 171                 -background white \
 172                 -foreground black \
 173                 -borderwidth 0 \
 174                 -state disabled \
 175                 -wrap none \
 176                 -height 40 \
 177                 -width 4 \
 178                 -font font_diff
 179         $w_asim tag conf author_abbr -justify right
 180         $w_asim tag conf curr_commit
 181         $w_asim tag conf prior_commit -foreground blue -underline 1
 182         $w_asim tag bind prior_commit \
 183                 <Button-1> \
 184                 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
 185
 186         set w_file $w.file_pane.out.file_t
 187         text $w_file \
 188                 -takefocus 0 \
 189                 -highlightthickness 0 \
 190                 -padx 0 -pady 0 \
 191                 -background white \
 192                 -foreground black \
 193                 -borderwidth 0 \
 194                 -state disabled \
 195                 -wrap none \
 196                 -height 40 \
 197                 -width 80 \
 198                 -xscrollcommand [list $w.file_pane.out.sbx set] \
 199                 -font font_diff
 200
 201         set w_columns [list $w_amov $w_asim $w_line $w_file]
 202
 203         scrollbar $w.file_pane.out.sbx \
 204                 -orient h \
 205                 -command [list $w_file xview]
 206         scrollbar $w.file_pane.out.sby \
 207                 -orient v \
 208                 -command [list scrollbar2many $w_columns yview]
 209         eval grid $w_columns $w.file_pane.out.sby -sticky nsew
 210         grid conf \
 211                 $w.file_pane.out.sbx \
 212                 -column [expr {[llength $w_columns] - 1}] \
 213                 -sticky we
 214         grid columnconfigure \
 215                 $w.file_pane.out \
 216                 [expr {[llength $w_columns] - 1}] \
 217                 -weight 1
 218         grid rowconfigure $w.file_pane.out 0 -weight 1
 219
 220         set w_cviewer $w.file_pane.cm.t
 221         text $w_cviewer \
 222                 -background white \
 223                 -foreground black \
 224                 -borderwidth 0 \
 225                 -state disabled \
 226                 -wrap none \
 227                 -height 10 \
 228                 -width 80 \
 229                 -xscrollcommand [list $w.file_pane.cm.sbx set] \
 230                 -yscrollcommand [list $w.file_pane.cm.sby set] \
 231                 -font font_diff
 232         $w_cviewer tag conf still_loading \
 233                 -font font_uiitalic \
 234                 -justify center
 235         $w_cviewer tag conf header_key \
 236                 -tabs {3c} \
 237                 -background $active_color \
 238                 -font font_uibold
 239         $w_cviewer tag conf header_val \
 240                 -background $active_color \
 241                 -font font_ui
 242         $w_cviewer tag raise sel
 243         scrollbar $w.file_pane.cm.sbx \
 244                 -orient h \
 245                 -command [list $w_cviewer xview]
 246         scrollbar $w.file_pane.cm.sby \
 247                 -orient v \
 248                 -command [list $w_cviewer yview]
 249         pack $w.file_pane.cm.sby -side right -fill y
 250         pack $w.file_pane.cm.sbx -side bottom -fill x
 251         pack $w_cviewer -expand 1 -fill both
 252
 253         set status [::status_bar::new $w.status]
 254
 255         menu $w.ctxm -tearoff 0
 256         $w.ctxm add command \
 257                 -label [mc "Copy Commit"] \
 258                 -command [cb _copycommit]
 259         $w.ctxm add command \
 260                 -label [mc "Do Full Copy Detection"] \
 261                 -command [cb _fullcopyblame]
 262
 263         foreach i $w_columns {
 264                 for {set g 0} {$g < [llength $group_colors]} {incr g} {
 265                         $i tag conf color$g -background [lindex $group_colors $g]
 266                 }
 267
 268                 $i conf -cursor $cursor_ptr
 269                 $i conf -yscrollcommand [list many2scrollbar \
 270                         $w_columns yview $w.file_pane.out.sby]
 271                 bind $i <Button-1> "
 272                         [cb _hide_tooltip]
 273                         [cb _click $i @%x,%y]
 274                         focus $i
 275                 "
 276                 bind $i <Any-Motion>  [cb _show_tooltip $i @%x,%y]
 277                 bind $i <Any-Enter>   [cb _hide_tooltip]
 278                 bind $i <Any-Leave>   [cb _hide_tooltip]
 279                 bind_button3 $i "
 280                         [cb _hide_tooltip]
 281                         set cursorX %x
 282                         set cursorY %y
 283                         set cursorW %W
 284                         tk_popup $w.ctxm %X %Y
 285                 "
 286                 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
 287                 bind $i <Tab>       "[list focus $w_cviewer];break"
 288         }
 289
 290         foreach i [concat $w_columns $w_cviewer] {
 291                 bind $i <Key-Up>        {catch {%W yview scroll -1 units};break}
 292                 bind $i <Key-Down>      {catch {%W yview scroll  1 units};break}
 293                 bind $i <Key-Left>      {catch {%W xview scroll -1 units};break}
 294                 bind $i <Key-Right>     {catch {%W xview scroll  1 units};break}
 295                 bind $i <Key-k>         {catch {%W yview scroll -1 units};break}
 296                 bind $i <Key-j>         {catch {%W yview scroll  1 units};break}
 297                 bind $i <Key-h>         {catch {%W xview scroll -1 units};break}
 298                 bind $i <Key-l>         {catch {%W xview scroll  1 units};break}
 299                 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
 300                 bind $i <Control-Key-f> {catch {%W yview scroll  1 pages};break}
 301         }
 302
 303         bind $w_cviewer <Shift-Tab> "[list focus $w_file];break"
 304         bind $w_cviewer <Tab>       "[list focus $w_file];break"
 305         bind $w_cviewer <Button-1> [list focus $w_cviewer]
 306         bind $w_file    <Visibility> [list focus $w_file]
 307
 308         grid configure $w.header -sticky ew
 309         grid configure $w.file_pane -sticky nsew
 310         grid configure $w.status -sticky ew
 311         grid columnconfigure $top 0 -weight 1
 312         grid rowconfigure $top 0 -weight 0
 313         grid rowconfigure $top 1 -weight 1
 314         grid rowconfigure $top 2 -weight 0
 315
 316         set req_w [winfo reqwidth  $top]
 317         set req_h [winfo reqheight $top]
 318         set scr_h [expr {[winfo screenheight $top] - 100}]
 319         if {$req_w < 600} {set req_w 600}
 320         if {$req_h < $scr_h} {set req_h $scr_h}
 321         set g "${req_w}x${req_h}"
 322         wm geometry $top $g
 323         update
 324
 325         set old_height [winfo height $w.file_pane]
 326         $w.file_pane sash place 0 \
 327                 [lindex [$w.file_pane sash coord 0] 0] \
 328                 [expr {int($old_height * 0.70)}]
 329         bind $w.file_pane <Configure> \
 330         "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
 331
 332         wm protocol $top WM_DELETE_WINDOW "destroy $top"
 333         bind $top <Destroy> [cb _kill]
 334
 335         _load $this {}
 336 }
 337
 338 method _kill {} {
 339         if {$current_fd ne {}} {
 340                 kill_file_process $current_fd
 341                 catch {close $current_fd}
 342                 set current_fd {}
 343         }
 344 }
 345
 346 method _load {jump} {
 347         variable group_colors
 348
 349         _hide_tooltip $this
 350
 351         if {$total_lines != 0 || $current_fd ne {}} {
 352                 _kill $this
 353
 354                 foreach i $w_columns {
 355                         $i conf -state normal
 356                         $i delete 0.0 end
 357                         foreach g [$i tag names] {
 358                                 if {[regexp {^g[0-9a-f]{40}$} $g]} {
 359                                         $i tag delete $g
 360                                 }
 361                         }
 362                         $i conf -state disabled
 363                 }
 364
 365                 $w_cviewer conf -state normal
 366                 $w_cviewer delete 0.0 end
 367                 $w_cviewer conf -state disabled
 368
 369                 set highlight_line -1
 370                 set highlight_column {}
 371                 set highlight_commit {}
 372                 set total_lines 0
 373         }
 374
 375         if {$history eq {}} {
 376                 $w_back conf -state disabled
 377         } else {
 378                 $w_back conf -state normal
 379         }
 380
 381         # Index 0 is always empty.  There is never line 0 as
 382         # we use only 1 based lines, as that matches both with
 383         # git-blame output and with Tk's text widget.
 384         #
 385         set amov_data [list [list]]
 386         set asim_data [list [list]]
 387
 388         $status show [mc "Reading %s..." "$commit:[escape_path $path]"]
 389         $w_path conf -text [escape_path $path]
 390         if {$commit eq {}} {
 391                 set fd [open $path r]
 392                 fconfigure $fd -eofchar {}
 393         } else {
 394                 set fd [git_read cat-file blob "$commit:$path"]
 395         }
 396         fconfigure $fd -blocking 0 -translation lf -encoding binary
 397         fileevent $fd readable [cb _read_file $fd $jump]
 398         set current_fd $fd
 399 }
 400
 401 method _history_menu {} {
 402         set m $w.backmenu
 403         if {[winfo exists $m]} {
 404                 $m delete 0 end
 405         } else {
 406                 menu $m -tearoff 0
 407         }
 408
 409         for {set i [expr {[llength $history] - 1}]
 410                 } {$i >= 0} {incr i -1} {
 411                 set e [lindex $history $i]
 412                 set c [lindex $e 0]
 413                 set f [lindex $e 1]
 414
 415                 if {[regexp {^[0-9a-f]{40}$} $c]} {
 416                         set t [string range $c 0 8]...
 417                 } elseif {$c eq {}} {
 418                         set t {Working Directory}
 419                 } else {
 420                         set t $c
 421                 }
 422                 if {![catch {set summary $header($c,summary)}]} {
 423                         append t " $summary"
 424                         if {[string length $t] > 70} {
 425                                 set t [string range $t 0 66]...
 426                         }
 427                 }
 428
 429                 $m add command -label $t -command [cb _goback $i]
 430         }
 431         set X [winfo rootx $w_back]
 432         set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
 433         tk_popup $m $X $Y
 434 }
 435
 436 method _goback {i} {
 437         set dat [lindex $history $i]
 438         set history [lrange $history 0 [expr {$i - 1}]]
 439         set commit [lindex $dat 0]
 440         set path [lindex $dat 1]
 441         _load $this [lrange $dat 2 5]
 442 }
 443
 444 method _read_file {fd jump} {
 445         if {$fd ne $current_fd} {
 446                 catch {close $fd}
 447                 return
 448         }
 449
 450         foreach i $w_columns {$i conf -state normal}
 451         while {[gets $fd line] >= 0} {
 452                 regsub "\r\$" $line {} line
 453                 incr total_lines
 454                 lappend amov_data {}
 455                 lappend asim_data {}
 456
 457                 if {$total_lines > 1} {
 458                         foreach i $w_columns {$i insert end "\n"}
 459                 }
 460
 461                 $w_line insert end "$total_lines" linenumber
 462                 $w_file insert end "$line"
 463         }
 464
 465         set ln_wc [expr {[string length $total_lines] + 2}]
 466         if {[$w_line cget -width] < $ln_wc} {
 467                 $w_line conf -width $ln_wc
 468         }
 469
 470         foreach i $w_columns {$i conf -state disabled}
 471
 472         if {[eof $fd]} {
 473                 close $fd
 474
 475                 # If we don't force Tk to update the widgets *right now*
 476                 # none of our jump commands will cause a change in the UI.
 477                 #
 478                 update
 479
 480                 if {[llength $jump] == 1} {
 481                         set highlight_line [lindex $jump 0]
 482                         $w_file see "$highlight_line.0"
 483                 } elseif {[llength $jump] == 4} {
 484                         set highlight_column [lindex $jump 0]
 485                         set highlight_line [lindex $jump 1]
 486                         $w_file xview moveto [lindex $jump 2]
 487                         $w_file yview moveto [lindex $jump 3]
 488                 }
 489
 490                 _exec_blame $this $w_asim @asim_data \
 491                         [list] \
 492                         [mc "Loading copy/move tracking annotations..."]
 493         }
 494 } ifdeleted { catch {close $fd} }
 495
 496 method _exec_blame {cur_w cur_d options cur_s} {
 497         lappend options --incremental
 498         if {$commit eq {}} {
 499                 lappend options --contents $path
 500         } else {
 501                 lappend options $commit
 502         }
 503         lappend options -- $path
 504         set fd [eval git_read --nice blame $options]
 505         fconfigure $fd -blocking 0 -translation lf -encoding binary
 506         fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
 507         set current_fd $fd
 508         set blame_lines 0
 509
 510         $status start \
 511                 $cur_s \
 512                 [mc "lines annotated"]
 513 }
 514
 515 method _read_blame {fd cur_w cur_d} {
 516         upvar #0 $cur_d line_data
 517         variable group_colors
 518
 519         if {$fd ne $current_fd} {
 520                 catch {close $fd}
 521                 return
 522         }
 523
 524         $cur_w conf -state normal
 525         while {[gets $fd line] >= 0} {
 526                 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
 527                         cmit original_line final_line line_count]} {
 528                         set r_commit     $cmit
 529                         set r_orig_line  $original_line
 530                         set r_final_line $final_line
 531                         set r_line_count $line_count
 532                 } elseif {[string match {filename *} $line]} {
 533                         set file [string range $line 9 end]
 534                         set n    $r_line_count
 535                         set lno  $r_final_line
 536                         set oln  $r_orig_line
 537                         set cmit $r_commit
 538
 539                         if {[regexp {^0{40}$} $cmit]} {
 540                                 set commit_abbr work
 541                                 set commit_type curr_commit
 542                         } elseif {$cmit eq $commit} {
 543                                 set commit_abbr this
 544                                 set commit_type curr_commit
 545                         } else {
 546                                 set commit_type prior_commit
 547                                 set commit_abbr [string range $cmit 0 3]
 548                         }
 549
 550                         set author_abbr {}
 551                         set a_name {}
 552                         catch {set a_name $header($cmit,author)}
 553                         while {$a_name ne {}} {
 554                                 if {$author_abbr ne {}
 555                                         && [string index $a_name 0] eq {'}} {
 556                                         regsub {^'[^']+'\s+} $a_name {} a_name
 557                                 }
 558                                 if {![regexp {^([[:upper:]])} $a_name _a]} break
 559                                 append author_abbr $_a
 560                                 unset _a
 561                                 if {![regsub \
 562                                         {^[[:upper:]][^\s]*\s+} \
 563                                         $a_name {} a_name ]} break
 564                         }
 565                         if {$author_abbr eq {}} {
 566                                 set author_abbr { |}
 567                         } else {
 568                                 set author_abbr [string range $author_abbr 0 3]
 569                         }
 570                         unset a_name
 571
 572                         set first_lno $lno
 573                         while {
 574                            $first_lno > 1
 575                         && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
 576                         && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
 577                         } {
 578                                 incr first_lno -1
 579                         }
 580
 581                         set color {}
 582                         if {$first_lno < $lno} {
 583                                 foreach g [$w_file tag names $first_lno.0] {
 584                                         if {[regexp {^color[0-9]+$} $g]} {
 585                                                 set color $g
 586                                                 break
 587                                         }
 588                                 }
 589                         } else {
 590                                 set i [lsort [concat \
 591                                         [$w_file tag names "[expr {$first_lno - 1}].0"] \
 592                                         [$w_file tag names "[expr {$lno + $n}].0"] \
 593                                         ]]
 594                                 for {set g 0} {$g < [llength $group_colors]} {incr g} {
 595                                         if {[lsearch -sorted -exact $i color$g] == -1} {
 596                                                 set color color$g
 597                                                 break
 598                                         }
 599                                 }
 600                         }
 601                         if {$color eq {}} {
 602                                 set color color0
 603                         }
 604
 605                         while {$n > 0} {
 606                                 set lno_e "$lno.0 lineend + 1c"
 607                                 if {[lindex $line_data $lno] ne {}} {
 608                                         set g [lindex $line_data $lno 0]
 609                                         foreach i $w_columns {
 610                                                 $i tag remove g$g $lno.0 $lno_e
 611                                         }
 612                                 }
 613                                 lset line_data $lno [list $cmit $file $oln]
 614
 615                                 $cur_w delete $lno.0 "$lno.0 lineend"
 616                                 if {$lno == $first_lno} {
 617                                         $cur_w insert $lno.0 $commit_abbr $commit_type
 618                                 } elseif {$lno == [expr {$first_lno + 1}]} {
 619                                         $cur_w insert $lno.0 $author_abbr author_abbr
 620                                 } else {
 621                                         $cur_w insert $lno.0 { |}
 622                                 }
 623
 624                                 foreach i $w_columns {
 625                                         if {$cur_w eq $w_amov} {
 626                                                 for {set g 0} \
 627                                                         {$g < [llength $group_colors]} \
 628                                                         {incr g} {
 629                                                         $i tag remove color$g $lno.0 $lno_e
 630                                                 }
 631                                                 $i tag add $color $lno.0 $lno_e
 632                                         }
 633                                         $i tag add g$cmit $lno.0 $lno_e
 634                                 }
 635
 636                                 if {$highlight_column eq $cur_w} {
 637                                         if {$highlight_line == -1
 638                                          && [lindex [$w_file yview] 0] == 0} {
 639                                                 $w_file see $lno.0
 640                                                 set highlight_line $lno
 641                                         }
 642                                         if {$highlight_line == $lno} {
 643                                                 _showcommit $this $cur_w $lno
 644                                         }
 645                                 }
 646
 647                                 incr n -1
 648                                 incr lno
 649                                 incr oln
 650                                 incr blame_lines
 651                         }
 652
 653                         while {
 654                            $cmit eq [lindex $line_data $lno 0]
 655                         && $file eq [lindex $line_data $lno 1]
 656                         } {
 657                                 $cur_w delete $lno.0 "$lno.0 lineend"
 658
 659                                 if {$lno == $first_lno} {
 660                                         $cur_w insert $lno.0 $commit_abbr $commit_type
 661                                 } elseif {$lno == [expr {$first_lno + 1}]} {
 662                                         $cur_w insert $lno.0 $author_abbr author_abbr
 663                                 } else {
 664                                         $cur_w insert $lno.0 { |}
 665                                 }
 666
 667                                 if {$cur_w eq $w_amov} {
 668                                         foreach i $w_columns {
 669                                                 for {set g 0} \
 670                                                         {$g < [llength $group_colors]} \
 671                                                         {incr g} {
 672                                                         $i tag remove color$g $lno.0 $lno_e
 673                                                 }
 674                                                 $i tag add $color $lno.0 $lno_e
 675                                         }
 676                                 }
 677
 678                                 incr lno
 679                         }
 680
 681                 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
 682                         set header($r_commit,$key) $data
 683                 }
 684         }
 685         $cur_w conf -state disabled
 686
 687         if {[eof $fd]} {
 688                 close $fd
 689                 if {$cur_w eq $w_asim} {
 690                         # Switches for original location detection
 691                         set threshold [get_config gui.copyblamethreshold]
 692                         set original_options [list "-C$threshold"]
 693
 694                         if {![is_config_true gui.fastcopyblame]} {
 695                                 # thorough copy search; insert before the threshold
 696                                 set original_options [linsert $original_options 0 -C]
 697                         }
 698                         if {[git-version >= 1.5.3]} {
 699                                 lappend original_options -w ; # ignore indentation changes
 700                         }
 701
 702                         _exec_blame $this $w_amov @amov_data \
 703                                 $original_options \
 704                                 [mc "Loading original location annotations..."]
 705                 } else {
 706                         set current_fd {}
 707                         $status stop [mc "Annotation complete."]
 708                 }
 709         } else {
 710                 $status update $blame_lines $total_lines
 711         }
 712 } ifdeleted { catch {close $fd} }
 713
 714 method _find_commit_bound {data_list start_idx delta} {
 715         upvar #0 $data_list line_data
 716         set pos $start_idx
 717         set limit       [expr {[llength $line_data] - 1}]
 718         set base_commit [lindex $line_data $pos 0]
 719
 720         while {$pos > 0 && $pos < $limit} {
 721                 set new_pos [expr {$pos + $delta}]
 722                 if {[lindex $line_data $new_pos 0] ne $base_commit} {
 723                         return $pos
 724                 }
 725
 726                 set pos $new_pos
 727         }
 728
 729         return $pos
 730 }
 731
 732 method _fullcopyblame {} {
 733         if {$current_fd ne {}} {
 734                 tk_messageBox \
 735                         -icon error \
 736                         -type ok \
 737                         -title [mc "Busy"] \
 738                         -message [mc "Annotation process is already running."]
 739
 740                 return
 741         }
 742
 743         # Switches for original location detection
 744         set threshold [get_config gui.copyblamethreshold]
 745         set original_options [list -C -C "-C$threshold"]
 746
 747         if {[git-version >= 1.5.3]} {
 748                 lappend original_options -w ; # ignore indentation changes
 749         }
 750
 751         # Find the line range
 752         set pos @$::cursorX,$::cursorY
 753         set lno [lindex [split [$::cursorW index $pos] .] 0]
 754         set min_amov_lno [_find_commit_bound $this @amov_data $lno -1]
 755         set max_amov_lno [_find_commit_bound $this @amov_data $lno 1]
 756         set min_asim_lno [_find_commit_bound $this @asim_data $lno -1]
 757         set max_asim_lno [_find_commit_bound $this @asim_data $lno 1]
 758
 759         if {$min_asim_lno < $min_amov_lno} {
 760                 set min_amov_lno $min_asim_lno
 761         }
 762
 763         if {$max_asim_lno > $max_amov_lno} {
 764                 set max_amov_lno $max_asim_lno
 765         }
 766
 767         lappend original_options -L "$min_amov_lno,$max_amov_lno"
 768
 769         # Clear lines
 770         for {set i $min_amov_lno} {$i <= $max_amov_lno} {incr i} {
 771                 lset amov_data $i [list ]
 772         }
 773
 774         # Start the back-end process
 775         _exec_blame $this $w_amov @amov_data \
 776                 $original_options \
 777                 [mc "Running thorough copy detection..."]
 778 }
 779
 780 method _click {cur_w pos} {
 781         set lno [lindex [split [$cur_w index $pos] .] 0]
 782         _showcommit $this $cur_w $lno
 783 }
 784
 785 method _load_commit {cur_w cur_d pos} {
 786         upvar #0 $cur_d line_data
 787         set lno [lindex [split [$cur_w index $pos] .] 0]
 788         set dat [lindex $line_data $lno]
 789         if {$dat ne {}} {
 790                 lappend history [list \
 791                         $commit $path \
 792                         $highlight_column \
 793                         $highlight_line \
 794                         [lindex [$w_file xview] 0] \
 795                         [lindex [$w_file yview] 0] \
 796                         ]
 797                 set commit [lindex $dat 0]
 798                 set path   [lindex $dat 1]
 799                 _load $this [list [lindex $dat 2]]
 800         }
 801 }
 802
 803 method _showcommit {cur_w lno} {
 804         global repo_config
 805         variable active_color
 806
 807         if {$highlight_commit ne {}} {
 808                 foreach i $w_columns {
 809                         $i tag conf g$highlight_commit -background {}
 810                         $i tag lower g$highlight_commit
 811                 }
 812         }
 813
 814         if {$cur_w eq $w_asim} {
 815                 set dat [lindex $asim_data $lno]
 816                 set highlight_column $w_asim
 817         } else {
 818                 set dat [lindex $amov_data $lno]
 819                 set highlight_column $w_amov
 820         }
 821
 822         $w_cviewer conf -state normal
 823         $w_cviewer delete 0.0 end
 824
 825         if {$dat eq {}} {
 826                 set cmit {}
 827                 $w_cviewer insert end [mc "Loading annotation..."] still_loading
 828         } else {
 829                 set cmit [lindex $dat 0]
 830                 set file [lindex $dat 1]
 831
 832                 foreach i $w_columns {
 833                         $i tag conf g$cmit -background $active_color
 834                         $i tag raise g$cmit
 835                 }
 836
 837                 set author_name {}
 838                 set author_email {}
 839                 set author_time {}
 840                 catch {set author_name $header($cmit,author)}
 841                 catch {set author_email $header($cmit,author-mail)}
 842                 catch {set author_time [format_date $header($cmit,author-time)]}
 843
 844                 set committer_name {}
 845                 set committer_email {}
 846                 set committer_time {}
 847                 catch {set committer_name $header($cmit,committer)}
 848                 catch {set committer_email $header($cmit,committer-mail)}
 849                 catch {set committer_time [format_date $header($cmit,committer-time)]}
 850
 851                 if {[catch {set msg $header($cmit,message)}]} {
 852                         set msg {}
 853                         catch {
 854                                 set fd [git_read cat-file commit $cmit]
 855                                 fconfigure $fd -encoding binary -translation lf
 856                                 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
 857                                         set enc utf-8
 858                                 }
 859                                 while {[gets $fd line] > 0} {
 860                                         if {[string match {encoding *} $line]} {
 861                                                 set enc [string tolower [string range $line 9 end]]
 862                                         }
 863                                 }
 864                                 set msg [read $fd]
 865                                 close $fd
 866
 867                                 set enc [tcl_encoding $enc]
 868                                 if {$enc ne {}} {
 869                                         set msg [encoding convertfrom $enc $msg]
 870                                         set author_name [encoding convertfrom $enc $author_name]
 871                                         set committer_name [encoding convertfrom $enc $committer_name]
 872                                         set header($cmit,author) $author_name
 873                                         set header($cmit,committer) $committer_name
 874                                         set header($cmit,summary) \
 875                                         [encoding convertfrom $enc $header($cmit,summary)]
 876                                 }
 877                                 set msg [string trim $msg]
 878                         }
 879                         set header($cmit,message) $msg
 880                 }
 881
 882                 $w_cviewer insert end "commit $cmit\n" header_key
 883                 $w_cviewer insert end [strcat [mc "Author:"] "\t"] header_key
 884                 $w_cviewer insert end "$author_name $author_email" header_val
 885                 $w_cviewer insert end "  $author_time\n" header_val
 886
 887                 $w_cviewer insert end [strcat [mc "Committer:"] "\t"] header_key
 888                 $w_cviewer insert end "$committer_name $committer_email" header_val
 889                 $w_cviewer insert end "  $committer_time\n" header_val
 890
 891                 if {$file ne $path} {
 892                         $w_cviewer insert end [strcat [mc "Original File:"] "\t"] header_key
 893                         $w_cviewer insert end "[escape_path $file]\n" header_val
 894                 }
 895
 896                 $w_cviewer insert end "\n$msg"
 897         }
 898         $w_cviewer conf -state disabled
 899
 900         set highlight_line $lno
 901         set highlight_commit $cmit
 902
 903         if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
 904                 _hide_tooltip $this
 905         }
 906 }
 907
 908 method _copycommit {} {
 909         set pos @$::cursorX,$::cursorY
 910         set lno [lindex [split [$::cursorW index $pos] .] 0]
 911         set dat [lindex $amov_data $lno]
 912         if {$dat ne {}} {
 913                 clipboard clear
 914                 clipboard append \
 915                         -format STRING \
 916                         -type STRING \
 917                         -- [lindex $dat 0]
 918         }
 919 }
 920
 921 method _show_tooltip {cur_w pos} {
 922         if {$tooltip_wm ne {}} {
 923                 _open_tooltip $this $cur_w
 924         } elseif {$tooltip_timer eq {}} {
 925                 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
 926         }
 927 }
 928
 929 method _open_tooltip {cur_w} {
 930         set tooltip_timer {}
 931         set pos_x [winfo pointerx $cur_w]
 932         set pos_y [winfo pointery $cur_w]
 933         if {[winfo containing $pos_x $pos_y] ne $cur_w} {
 934                 _hide_tooltip $this
 935                 return
 936         }
 937
 938         if {$tooltip_wm ne "$cur_w.tooltip"} {
 939                 _hide_tooltip $this
 940
 941                 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
 942                 wm overrideredirect $tooltip_wm 1
 943                 wm transient $tooltip_wm [winfo toplevel $cur_w]
 944                 set tooltip_t $tooltip_wm.label
 945                 text $tooltip_t \
 946                         -takefocus 0 \
 947                         -highlightthickness 0 \
 948                         -relief flat \
 949                         -borderwidth 0 \
 950                         -wrap none \
 951                         -background lightyellow \
 952                         -foreground black
 953                 $tooltip_t tag conf section_header -font font_uibold
 954                 pack $tooltip_t
 955         } else {
 956                 $tooltip_t conf -state normal
 957                 $tooltip_t delete 0.0 end
 958         }
 959
 960         set pos @[join [list \
 961                 [expr {$pos_x - [winfo rootx $cur_w]}] \
 962                 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
 963         set lno [lindex [split [$cur_w index $pos] .] 0]
 964         if {$cur_w eq $w_amov} {
 965                 set dat [lindex $amov_data $lno]
 966                 set org {}
 967         } else {
 968                 set dat [lindex $asim_data $lno]
 969                 set org [lindex $amov_data $lno]
 970         }
 971
 972         if {$dat eq {}} {
 973                 _hide_tooltip $this
 974                 return
 975         }
 976
 977         set cmit [lindex $dat 0]
 978         set tooltip_commit [list $cmit]
 979
 980         set author_name {}
 981         set summary     {}
 982         set author_time {}
 983         catch {set author_name $header($cmit,author)}
 984         catch {set summary     $header($cmit,summary)}
 985         catch {set author_time [format_date $header($cmit,author-time)]}
 986
 987         $tooltip_t insert end "commit $cmit\n"
 988         $tooltip_t insert end "$author_name  $author_time\n"
 989         $tooltip_t insert end "$summary"
 990
 991         if {$org ne {} && [lindex $org 0] ne $cmit} {
 992                 set save [$tooltip_t get 0.0 end]
 993                 $tooltip_t delete 0.0 end
 994
 995                 set cmit [lindex $org 0]
 996                 set file [lindex $org 1]
 997                 lappend tooltip_commit $cmit
 998
 999                 set author_name {}
1000                 set summary     {}
1001                 set author_time {}
1002                 catch {set author_name $header($cmit,author)}
1003                 catch {set summary     $header($cmit,summary)}
1004                 catch {set author_time [format_date $header($cmit,author-time)]}
1005
1006                 $tooltip_t insert end [strcat [mc "Originally By:"] "\n"] section_header
1007                 $tooltip_t insert end "commit $cmit\n"
1008                 $tooltip_t insert end "$author_name  $author_time\n"
1009                 $tooltip_t insert end "$summary\n"
1010
1011                 if {$file ne $path} {
1012                         $tooltip_t insert end [strcat [mc "In File:"] " "] section_header
1013                         $tooltip_t insert end "$file\n"
1014                 }
1015
1016                 $tooltip_t insert end "\n"
1017                 $tooltip_t insert end [strcat [mc "Copied Or Moved Here By:"] "\n"] section_header
1018                 $tooltip_t insert end $save
1019         }
1020
1021         $tooltip_t conf -state disabled
1022         _position_tooltip $this
1023 }
1024
1025 method _position_tooltip {} {
1026         set max_h [lindex [split [$tooltip_t index end] .] 0]
1027         set max_w 0
1028         for {set i 1} {$i <= $max_h} {incr i} {
1029                 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
1030                 if {$c > $max_w} {set max_w $c}
1031         }
1032         $tooltip_t conf -width $max_w -height $max_h
1033
1034         set req_w [winfo reqwidth  $tooltip_t]
1035         set req_h [winfo reqheight $tooltip_t]
1036         set pos_x [expr {[winfo pointerx .] +  5}]
1037         set pos_y [expr {[winfo pointery .] + 10}]
1038
1039         set g "${req_w}x${req_h}"
1040         if {$pos_x >= 0} {append g +}
1041         append g $pos_x
1042         if {$pos_y >= 0} {append g +}
1043         append g $pos_y
1044
1045         wm geometry $tooltip_wm $g
1046         raise $tooltip_wm
1047 }
1048
1049 method _hide_tooltip {} {
1050         if {$tooltip_wm ne {}} {
1051                 destroy $tooltip_wm
1052                 set tooltip_wm {}
1053                 set tooltip_commit {}
1054         }
1055         if {$tooltip_timer ne {}} {
1056                 after cancel $tooltip_timer
1057                 set tooltip_timer {}
1058         }
1059 }
1060
1061 method _resize {new_height} {
1062         set diff [expr {$new_height - $old_height}]
1063         if {$diff == 0} return
1064
1065         set my [expr {[winfo height $w.file_pane] - 25}]
1066         set o [$w.file_pane sash coord 0]
1067         set ox [lindex $o 0]
1068         set oy [expr {[lindex $o 1] + $diff}]
1069         if {$oy < 0}   {set oy 0}
1070         if {$oy > $my} {set oy $my}
1071         $w.file_pane sash place 0 $ox $oy
1072
1073         set old_height $new_height
1074 }
1075
1076 }