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Kill the blame back-end on window close.
[alt-git.git] / lib / blame.tcl
blob2c190482df10dafb9bcef8116ea42c931d553efb
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
260 foreach i $w_columns {
261 for {set g 0} {$g < [llength $group_colors]} {incr g} {
262 $i tag conf color$g -background [lindex $group_colors $g]
263 }
264
265 $i conf -cursor $cursor_ptr
266 $i conf -yscrollcommand [list many2scrollbar \
267 $w_columns yview $w.file_pane.out.sby]
268 bind $i <Button-1> "
269 [cb _hide_tooltip]
270 [cb _click $i @%x,%y]
271 focus $i
272 "
273 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
274 bind $i <Any-Enter> [cb _hide_tooltip]
275 bind $i <Any-Leave> [cb _hide_tooltip]
276 bind_button3 $i "
277 [cb _hide_tooltip]
278 set cursorX %x
279 set cursorY %y
280 set cursorW %W
281 tk_popup $w.ctxm %X %Y
282 "
283 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
284 bind $i <Tab> "[list focus $w_cviewer];break"
285 }
286
287 foreach i [concat $w_columns $w_cviewer] {
288 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
289 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
290 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
291 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
292 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
293 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
294 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
295 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
296 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
297 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
298 }
299
300 bind $w_cviewer <Shift-Tab> "[list focus $w_file];break"
301 bind $w_cviewer <Tab> "[list focus $w_file];break"
302 bind $w_cviewer <Button-1> [list focus $w_cviewer]
303 bind $w_file <Visibility> [list focus $w_file]
304
305 grid configure $w.header -sticky ew
306 grid configure $w.file_pane -sticky nsew
307 grid configure $w.status -sticky ew
308 grid columnconfigure $top 0 -weight 1
309 grid rowconfigure $top 0 -weight 0
310 grid rowconfigure $top 1 -weight 1
311 grid rowconfigure $top 2 -weight 0
312
313 set req_w [winfo reqwidth $top]
314 set req_h [winfo reqheight $top]
315 set scr_h [expr {[winfo screenheight $top] - 100}]
316 if {$req_w < 600} {set req_w 600}
317 if {$req_h < $scr_h} {set req_h $scr_h}
318 set g "${req_w}x${req_h}"
319 wm geometry $top $g
320 update
321
322 set old_height [winfo height $w.file_pane]
323 $w.file_pane sash place 0 \
324 [lindex [$w.file_pane sash coord 0] 0] \
325 [expr {int($old_height * 0.70)}]
326 bind $w.file_pane <Configure> \
327 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
328
329 wm protocol $top WM_DELETE_WINDOW "destroy $top"
330 bind $top <Destroy> [cb _kill]
331
332 _load $this {}
333 }
334
335 method _kill {} {
336 if {$current_fd ne {}} {
337 kill_file_process $current_fd
338 catch {close $current_fd}
339 set current_fd {}
340 }
341 }
342
343 method _load {jump} {
344 variable group_colors
345
346 _hide_tooltip $this
347
348 if {$total_lines != 0 || $current_fd ne {}} {
349 _kill $this
350
351 foreach i $w_columns {
352 $i conf -state normal
353 $i delete 0.0 end
354 foreach g [$i tag names] {
355 if {[regexp {^g[0-9a-f]{40}$} $g]} {
356 $i tag delete $g
357 }
358 }
359 $i conf -state disabled
360 }
361
362 $w_cviewer conf -state normal
363 $w_cviewer delete 0.0 end
364 $w_cviewer conf -state disabled
365
366 set highlight_line -1
367 set highlight_column {}
368 set highlight_commit {}
369 set total_lines 0
370 }
371
372 if {$history eq {}} {
373 $w_back conf -state disabled
374 } else {
375 $w_back conf -state normal
376 }
377
378 # Index 0 is always empty. There is never line 0 as
379 # we use only 1 based lines, as that matches both with
380 # git-blame output and with Tk's text widget.
381 #
382 set amov_data [list [list]]
383 set asim_data [list [list]]
384
385 $status show [mc "Reading %s..." "$commit:[escape_path $path]"]
386 $w_path conf -text [escape_path $path]
387 if {$commit eq {}} {
388 set fd [open $path r]
389 fconfigure $fd -eofchar {}
390 } else {
391 set fd [git_read cat-file blob "$commit:$path"]
392 }
393 fconfigure $fd -blocking 0 -translation lf -encoding binary
394 fileevent $fd readable [cb _read_file $fd $jump]
395 set current_fd $fd
396 }
397
398 method _history_menu {} {
399 set m $w.backmenu
400 if {[winfo exists $m]} {
401 $m delete 0 end
402 } else {
403 menu $m -tearoff 0
404 }
405
406 for {set i [expr {[llength $history] - 1}]
407 } {$i >= 0} {incr i -1} {
408 set e [lindex $history $i]
409 set c [lindex $e 0]
410 set f [lindex $e 1]
411
412 if {[regexp {^[0-9a-f]{40}$} $c]} {
413 set t [string range $c 0 8]...
414 } elseif {$c eq {}} {
415 set t {Working Directory}
416 } else {
417 set t $c
418 }
419 if {![catch {set summary $header($c,summary)}]} {
420 append t " $summary"
421 if {[string length $t] > 70} {
422 set t [string range $t 0 66]...
423 }
424 }
425
426 $m add command -label $t -command [cb _goback $i]
427 }
428 set X [winfo rootx $w_back]
429 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
430 tk_popup $m $X $Y
431 }
432
433 method _goback {i} {
434 set dat [lindex $history $i]
435 set history [lrange $history 0 [expr {$i - 1}]]
436 set commit [lindex $dat 0]
437 set path [lindex $dat 1]
438 _load $this [lrange $dat 2 5]
439 }
440
441 method _read_file {fd jump} {
442 if {$fd ne $current_fd} {
443 catch {close $fd}
444 return
445 }
446
447 foreach i $w_columns {$i conf -state normal}
448 while {[gets $fd line] >= 0} {
449 regsub "\r\$" $line {} line
450 incr total_lines
451 lappend amov_data {}
452 lappend asim_data {}
453
454 if {$total_lines > 1} {
455 foreach i $w_columns {$i insert end "\n"}
456 }
457
458 $w_line insert end "$total_lines" linenumber
459 $w_file insert end "$line"
460 }
461
462 set ln_wc [expr {[string length $total_lines] + 2}]
463 if {[$w_line cget -width] < $ln_wc} {
464 $w_line conf -width $ln_wc
465 }
466
467 foreach i $w_columns {$i conf -state disabled}
468
469 if {[eof $fd]} {
470 close $fd
471
472 # If we don't force Tk to update the widgets *right now*
473 # none of our jump commands will cause a change in the UI.
474 #
475 update
476
477 if {[llength $jump] == 1} {
478 set highlight_line [lindex $jump 0]
479 $w_file see "$highlight_line.0"
480 } elseif {[llength $jump] == 4} {
481 set highlight_column [lindex $jump 0]
482 set highlight_line [lindex $jump 1]
483 $w_file xview moveto [lindex $jump 2]
484 $w_file yview moveto [lindex $jump 3]
485 }
486
487 _exec_blame $this $w_asim @asim_data \
488 [list] \
489 [mc "Loading copy/move tracking annotations..."]
490 }
491 } ifdeleted { catch {close $fd} }
492
493 method _exec_blame {cur_w cur_d options cur_s} {
494 lappend options --incremental
495 if {$commit eq {}} {
496 lappend options --contents $path
497 } else {
498 lappend options $commit
499 }
500 lappend options -- $path
501 set fd [eval git_read --nice blame $options]
502 fconfigure $fd -blocking 0 -translation lf -encoding binary
503 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
504 set current_fd $fd
505 set blame_lines 0
506
507 $status start \
508 $cur_s \
509 [mc "lines annotated"]
510 }
511
512 method _read_blame {fd cur_w cur_d} {
513 upvar #0 $cur_d line_data
514 variable group_colors
515
516 if {$fd ne $current_fd} {
517 catch {close $fd}
518 return
519 }
520
521 $cur_w conf -state normal
522 while {[gets $fd line] >= 0} {
523 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
524 cmit original_line final_line line_count]} {
525 set r_commit $cmit
526 set r_orig_line $original_line
527 set r_final_line $final_line
528 set r_line_count $line_count
529 } elseif {[string match {filename *} $line]} {
530 set file [string range $line 9 end]
531 set n $r_line_count
532 set lno $r_final_line
533 set oln $r_orig_line
534 set cmit $r_commit
535
536 if {[regexp {^0{40}$} $cmit]} {
537 set commit_abbr work
538 set commit_type curr_commit
539 } elseif {$cmit eq $commit} {
540 set commit_abbr this
541 set commit_type curr_commit
542 } else {
543 set commit_type prior_commit
544 set commit_abbr [string range $cmit 0 3]
545 }
546
547 set author_abbr {}
548 set a_name {}
549 catch {set a_name $header($cmit,author)}
550 while {$a_name ne {}} {
551 if {$author_abbr ne {}
552 && [string index $a_name 0] eq {'}} {
553 regsub {^'[^']+'\s+} $a_name {} a_name
554 }
555 if {![regexp {^([[:upper:]])} $a_name _a]} break
556 append author_abbr $_a
557 unset _a
558 if {![regsub \
559 {^[[:upper:]][^\s]*\s+} \
560 $a_name {} a_name ]} break
561 }
562 if {$author_abbr eq {}} {
563 set author_abbr { |}
564 } else {
565 set author_abbr [string range $author_abbr 0 3]
566 }
567 unset a_name
568
569 set first_lno $lno
570 while {
571 $first_lno > 1
572 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
573 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
574 } {
575 incr first_lno -1
576 }
577
578 set color {}
579 if {$first_lno < $lno} {
580 foreach g [$w_file tag names $first_lno.0] {
581 if {[regexp {^color[0-9]+$} $g]} {
582 set color $g
583 break
584 }
585 }
586 } else {
587 set i [lsort [concat \
588 [$w_file tag names "[expr {$first_lno - 1}].0"] \
589 [$w_file tag names "[expr {$lno + $n}].0"] \
590 ]]
591 for {set g 0} {$g < [llength $group_colors]} {incr g} {
592 if {[lsearch -sorted -exact $i color$g] == -1} {
593 set color color$g
594 break
595 }
596 }
597 }
598 if {$color eq {}} {
599 set color color0
600 }
601
602 while {$n > 0} {
603 set lno_e "$lno.0 lineend + 1c"
604 if {[lindex $line_data $lno] ne {}} {
605 set g [lindex $line_data $lno 0]
606 foreach i $w_columns {
607 $i tag remove g$g $lno.0 $lno_e
608 }
609 }
610 lset line_data $lno [list $cmit $file $oln]
611
612 $cur_w delete $lno.0 "$lno.0 lineend"
613 if {$lno == $first_lno} {
614 $cur_w insert $lno.0 $commit_abbr $commit_type
615 } elseif {$lno == [expr {$first_lno + 1}]} {
616 $cur_w insert $lno.0 $author_abbr author_abbr
617 } else {
618 $cur_w insert $lno.0 { |}
619 }
620
621 foreach i $w_columns {
622 if {$cur_w eq $w_amov} {
623 for {set g 0} \
624 {$g < [llength $group_colors]} \
625 {incr g} {
626 $i tag remove color$g $lno.0 $lno_e
627 }
628 $i tag add $color $lno.0 $lno_e
629 }
630 $i tag add g$cmit $lno.0 $lno_e
631 }
632
633 if {$highlight_column eq $cur_w} {
634 if {$highlight_line == -1
635 && [lindex [$w_file yview] 0] == 0} {
636 $w_file see $lno.0
637 set highlight_line $lno
638 }
639 if {$highlight_line == $lno} {
640 _showcommit $this $cur_w $lno
641 }
642 }
643
644 incr n -1
645 incr lno
646 incr oln
647 incr blame_lines
648 }
649
650 while {
651 $cmit eq [lindex $line_data $lno 0]
652 && $file eq [lindex $line_data $lno 1]
653 } {
654 $cur_w delete $lno.0 "$lno.0 lineend"
655
656 if {$lno == $first_lno} {
657 $cur_w insert $lno.0 $commit_abbr $commit_type
658 } elseif {$lno == [expr {$first_lno + 1}]} {
659 $cur_w insert $lno.0 $author_abbr author_abbr
660 } else {
661 $cur_w insert $lno.0 { |}
662 }
663
664 if {$cur_w eq $w_amov} {
665 foreach i $w_columns {
666 for {set g 0} \
667 {$g < [llength $group_colors]} \
668 {incr g} {
669 $i tag remove color$g $lno.0 $lno_e
670 }
671 $i tag add $color $lno.0 $lno_e
672 }
673 }
674
675 incr lno
676 }
677
678 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
679 set header($r_commit,$key) $data
680 }
681 }
682 $cur_w conf -state disabled
683
684 if {[eof $fd]} {
685 close $fd
686 if {$cur_w eq $w_asim} {
687 # Switches for original location detection
688 set threshold [get_config gui.copyblamethreshold]
689 set original_options [list "-C$threshold"]
690
691 if {![is_config_true gui.fastcopyblame]} {
692 # thorough copy search; insert before the threshold
693 set original_options [linsert $original_options 0 -C]
694 }
695 if {[git-version >= 1.5.3]} {
696 lappend original_options -w ; # ignore indentation changes
697 }
698
699 _exec_blame $this $w_amov @amov_data \
700 $original_options \
701 [mc "Loading original location annotations..."]
702 } else {
703 set current_fd {}
704 $status stop [mc "Annotation complete."]
705 }
706 } else {
707 $status update $blame_lines $total_lines
708 }
709 } ifdeleted { catch {close $fd} }
710
711 method _click {cur_w pos} {
712 set lno [lindex [split [$cur_w index $pos] .] 0]
713 _showcommit $this $cur_w $lno
714 }
715
716 method _load_commit {cur_w cur_d pos} {
717 upvar #0 $cur_d line_data
718 set lno [lindex [split [$cur_w index $pos] .] 0]
719 set dat [lindex $line_data $lno]
720 if {$dat ne {}} {
721 lappend history [list \
722 $commit $path \
723 $highlight_column \
724 $highlight_line \
725 [lindex [$w_file xview] 0] \
726 [lindex [$w_file yview] 0] \
727 ]
728 set commit [lindex $dat 0]
729 set path [lindex $dat 1]
730 _load $this [list [lindex $dat 2]]
731 }
732 }
733
734 method _showcommit {cur_w lno} {
735 global repo_config
736 variable active_color
737
738 if {$highlight_commit ne {}} {
739 foreach i $w_columns {
740 $i tag conf g$highlight_commit -background {}
741 $i tag lower g$highlight_commit
742 }
743 }
744
745 if {$cur_w eq $w_asim} {
746 set dat [lindex $asim_data $lno]
747 set highlight_column $w_asim
748 } else {
749 set dat [lindex $amov_data $lno]
750 set highlight_column $w_amov
751 }
752
753 $w_cviewer conf -state normal
754 $w_cviewer delete 0.0 end
755
756 if {$dat eq {}} {
757 set cmit {}
758 $w_cviewer insert end [mc "Loading annotation..."] still_loading
759 } else {
760 set cmit [lindex $dat 0]
761 set file [lindex $dat 1]
762
763 foreach i $w_columns {
764 $i tag conf g$cmit -background $active_color
765 $i tag raise g$cmit
766 }
767
768 set author_name {}
769 set author_email {}
770 set author_time {}
771 catch {set author_name $header($cmit,author)}
772 catch {set author_email $header($cmit,author-mail)}
773 catch {set author_time [format_date $header($cmit,author-time)]}
774
775 set committer_name {}
776 set committer_email {}
777 set committer_time {}
778 catch {set committer_name $header($cmit,committer)}
779 catch {set committer_email $header($cmit,committer-mail)}
780 catch {set committer_time [format_date $header($cmit,committer-time)]}
781
782 if {[catch {set msg $header($cmit,message)}]} {
783 set msg {}
784 catch {
785 set fd [git_read cat-file commit $cmit]
786 fconfigure $fd -encoding binary -translation lf
787 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
788 set enc utf-8
789 }
790 while {[gets $fd line] > 0} {
791 if {[string match {encoding *} $line]} {
792 set enc [string tolower [string range $line 9 end]]
793 }
794 }
795 set msg [read $fd]
796 close $fd
797
798 set enc [tcl_encoding $enc]
799 if {$enc ne {}} {
800 set msg [encoding convertfrom $enc $msg]
801 set author_name [encoding convertfrom $enc $author_name]
802 set committer_name [encoding convertfrom $enc $committer_name]
803 set header($cmit,author) $author_name
804 set header($cmit,committer) $committer_name
805 set header($cmit,summary) \
806 [encoding convertfrom $enc $header($cmit,summary)]
807 }
808 set msg [string trim $msg]
809 }
810 set header($cmit,message) $msg
811 }
812
813 $w_cviewer insert end "commit $cmit\n" header_key
814 $w_cviewer insert end [strcat [mc "Author:"] "\t"] header_key
815 $w_cviewer insert end "$author_name $author_email" header_val
816 $w_cviewer insert end " $author_time\n" header_val
817
818 $w_cviewer insert end [strcat [mc "Committer:"] "\t"] header_key
819 $w_cviewer insert end "$committer_name $committer_email" header_val
820 $w_cviewer insert end " $committer_time\n" header_val
821
822 if {$file ne $path} {
823 $w_cviewer insert end [strcat [mc "Original File:"] "\t"] header_key
824 $w_cviewer insert end "[escape_path $file]\n" header_val
825 }
826
827 $w_cviewer insert end "\n$msg"
828 }
829 $w_cviewer conf -state disabled
830
831 set highlight_line $lno
832 set highlight_commit $cmit
833
834 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
835 _hide_tooltip $this
836 }
837 }
838
839 method _copycommit {} {
840 set pos @$::cursorX,$::cursorY
841 set lno [lindex [split [$::cursorW index $pos] .] 0]
842 set dat [lindex $amov_data $lno]
843 if {$dat ne {}} {
844 clipboard clear
845 clipboard append \
846 -format STRING \
847 -type STRING \
848 -- [lindex $dat 0]
849 }
850 }
851
852 method _show_tooltip {cur_w pos} {
853 if {$tooltip_wm ne {}} {
854 _open_tooltip $this $cur_w
855 } elseif {$tooltip_timer eq {}} {
856 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
857 }
858 }
859
860 method _open_tooltip {cur_w} {
861 set tooltip_timer {}
862 set pos_x [winfo pointerx $cur_w]
863 set pos_y [winfo pointery $cur_w]
864 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
865 _hide_tooltip $this
866 return
867 }
868
869 if {$tooltip_wm ne "$cur_w.tooltip"} {
870 _hide_tooltip $this
871
872 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
873 wm overrideredirect $tooltip_wm 1
874 wm transient $tooltip_wm [winfo toplevel $cur_w]
875 set tooltip_t $tooltip_wm.label
876 text $tooltip_t \
877 -takefocus 0 \
878 -highlightthickness 0 \
879 -relief flat \
880 -borderwidth 0 \
881 -wrap none \
882 -background lightyellow \
883 -foreground black
884 $tooltip_t tag conf section_header -font font_uibold
885 pack $tooltip_t
886 } else {
887 $tooltip_t conf -state normal
888 $tooltip_t delete 0.0 end
889 }
890
891 set pos @[join [list \
892 [expr {$pos_x - [winfo rootx $cur_w]}] \
893 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
894 set lno [lindex [split [$cur_w index $pos] .] 0]
895 if {$cur_w eq $w_amov} {
896 set dat [lindex $amov_data $lno]
897 set org {}
898 } else {
899 set dat [lindex $asim_data $lno]
900 set org [lindex $amov_data $lno]
901 }
902
903 if {$dat eq {}} {
904 _hide_tooltip $this
905 return
906 }
907
908 set cmit [lindex $dat 0]
909 set tooltip_commit [list $cmit]
910
911 set author_name {}
912 set summary {}
913 set author_time {}
914 catch {set author_name $header($cmit,author)}
915 catch {set summary $header($cmit,summary)}
916 catch {set author_time [format_date $header($cmit,author-time)]}
917
918 $tooltip_t insert end "commit $cmit\n"
919 $tooltip_t insert end "$author_name $author_time\n"
920 $tooltip_t insert end "$summary"
921
922 if {$org ne {} && [lindex $org 0] ne $cmit} {
923 set save [$tooltip_t get 0.0 end]
924 $tooltip_t delete 0.0 end
925
926 set cmit [lindex $org 0]
927 set file [lindex $org 1]
928 lappend tooltip_commit $cmit
929
930 set author_name {}
931 set summary {}
932 set author_time {}
933 catch {set author_name $header($cmit,author)}
934 catch {set summary $header($cmit,summary)}
935 catch {set author_time [format_date $header($cmit,author-time)]}
936
937 $tooltip_t insert end [strcat [mc "Originally By:"] "\n"] section_header
938 $tooltip_t insert end "commit $cmit\n"
939 $tooltip_t insert end "$author_name $author_time\n"
940 $tooltip_t insert end "$summary\n"
941
942 if {$file ne $path} {
943 $tooltip_t insert end [strcat [mc "In File:"] " "] section_header
944 $tooltip_t insert end "$file\n"
945 }
946
947 $tooltip_t insert end "\n"
948 $tooltip_t insert end [strcat [mc "Copied Or Moved Here By:"] "\n"] section_header
949 $tooltip_t insert end $save
950 }
951
952 $tooltip_t conf -state disabled
953 _position_tooltip $this
954 }
955
956 method _position_tooltip {} {
957 set max_h [lindex [split [$tooltip_t index end] .] 0]
958 set max_w 0
959 for {set i 1} {$i <= $max_h} {incr i} {
960 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
961 if {$c > $max_w} {set max_w $c}
962 }
963 $tooltip_t conf -width $max_w -height $max_h
964
965 set req_w [winfo reqwidth $tooltip_t]
966 set req_h [winfo reqheight $tooltip_t]
967 set pos_x [expr {[winfo pointerx .] + 5}]
968 set pos_y [expr {[winfo pointery .] + 10}]
969
970 set g "${req_w}x${req_h}"
971 if {$pos_x >= 0} {append g +}
972 append g $pos_x
973 if {$pos_y >= 0} {append g +}
974 append g $pos_y
975
976 wm geometry $tooltip_wm $g
977 raise $tooltip_wm
978 }
979
980 method _hide_tooltip {} {
981 if {$tooltip_wm ne {}} {
982 destroy $tooltip_wm
983 set tooltip_wm {}
984 set tooltip_commit {}
985 }
986 if {$tooltip_timer ne {}} {
987 after cancel $tooltip_timer
988 set tooltip_timer {}
989 }
990 }
991
992 method _resize {new_height} {
993 set diff [expr {$new_height - $old_height}]
994 if {$diff == 0} return
995
996 set my [expr {[winfo height $w.file_pane] - 25}]
997 set o [$w.file_pane sash coord 0]
998 set ox [lindex $o 0]
999 set oy [expr {[lindex $o 1] + $diff}]
1000 if {$oy < 0} {set oy 0}
1001 if {$oy > $my} {set oy $my}
1002 $w.file_pane sash place 0 $ox $oy
1003
1004 set old_height $new_height
1005 }
1006
1007 }
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