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git-gui: Start blame windows as tall as possible
[git.git] / lib / blame.tcl
blob77abd8291dda6f4a4f2be5df6444f4d7c07aaf40
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 ; # text variable bound to status bar
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 "[appname] ([reponame]): File Viewer"
71
72 frame $w.header -background gold
73 label $w.header.commit_l \
74 -text {Commit:} \
75 -background gold \
76 -anchor w \
77 -justify left
78 set w_back $w.header.commit_b
79 label $w_back \
80 -image ::blame::img_back_arrow \
81 -borderwidth 0 \
82 -relief flat \
83 -state disabled \
84 -background gold \
85 -activebackground gold
86 bind $w_back <Button-1> "
87 if {\[$w_back cget -state\] eq {normal}} {
88 [cb _history_menu]
89 }
90 "
91 label $w.header.commit \
92 -textvariable @commit \
93 -background gold \
94 -anchor w \
95 -justify left
96 label $w.header.path_l \
97 -text {File:} \
98 -background gold \
99 -anchor w \
100 -justify left
101 set w_path $w.header.path
102 label $w_path \
103 -background gold \
104 -anchor w \
105 -justify left
106 pack $w.header.commit_l -side left
107 pack $w_back -side left
108 pack $w.header.commit -side left
109 pack $w_path -fill x -side right
110 pack $w.header.path_l -side right
111
112 panedwindow $w.file_pane -orient vertical
113 frame $w.file_pane.out
114 frame $w.file_pane.cm
115 $w.file_pane add $w.file_pane.out \
116 -sticky nsew \
117 -minsize 100 \
118 -height 100 \
119 -width 100
120 $w.file_pane add $w.file_pane.cm \
121 -sticky nsew \
122 -minsize 25 \
123 -height 25 \
124 -width 100
125
126 set w_line $w.file_pane.out.linenumber_t
127 text $w_line \
128 -takefocus 0 \
129 -highlightthickness 0 \
130 -padx 0 -pady 0 \
131 -background white -borderwidth 0 \
132 -state disabled \
133 -wrap none \
134 -height 40 \
135 -width 6 \
136 -font font_diff
137 $w_line tag conf linenumber -justify right -rmargin 5
138
139 set w_amov $w.file_pane.out.amove_t
140 text $w_amov \
141 -takefocus 0 \
142 -highlightthickness 0 \
143 -padx 0 -pady 0 \
144 -background white -borderwidth 0 \
145 -state disabled \
146 -wrap none \
147 -height 40 \
148 -width 5 \
149 -font font_diff
150 $w_amov tag conf author_abbr -justify right -rmargin 5
151 $w_amov tag conf curr_commit
152 $w_amov tag conf prior_commit -foreground blue -underline 1
153 $w_amov tag bind prior_commit \
154 <Button-1> \
155 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
156
157 set w_asim $w.file_pane.out.asimple_t
158 text $w_asim \
159 -takefocus 0 \
160 -highlightthickness 0 \
161 -padx 0 -pady 0 \
162 -background white -borderwidth 0 \
163 -state disabled \
164 -wrap none \
165 -height 40 \
166 -width 4 \
167 -font font_diff
168 $w_asim tag conf author_abbr -justify right
169 $w_asim tag conf curr_commit
170 $w_asim tag conf prior_commit -foreground blue -underline 1
171 $w_asim tag bind prior_commit \
172 <Button-1> \
173 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
174
175 set w_file $w.file_pane.out.file_t
176 text $w_file \
177 -takefocus 0 \
178 -highlightthickness 0 \
179 -padx 0 -pady 0 \
180 -background white -borderwidth 0 \
181 -state disabled \
182 -wrap none \
183 -height 40 \
184 -width 80 \
185 -xscrollcommand [list $w.file_pane.out.sbx set] \
186 -font font_diff
187
188 set w_columns [list $w_amov $w_asim $w_line $w_file]
189
190 scrollbar $w.file_pane.out.sbx \
191 -orient h \
192 -command [list $w_file xview]
193 scrollbar $w.file_pane.out.sby \
194 -orient v \
195 -command [list scrollbar2many $w_columns yview]
196 eval grid $w_columns $w.file_pane.out.sby -sticky nsew
197 grid conf \
198 $w.file_pane.out.sbx \
199 -column [expr {[llength $w_columns] - 1}] \
200 -sticky we
201 grid columnconfigure \
202 $w.file_pane.out \
203 [expr {[llength $w_columns] - 1}] \
204 -weight 1
205 grid rowconfigure $w.file_pane.out 0 -weight 1
206
207 set w_cviewer $w.file_pane.cm.t
208 text $w_cviewer \
209 -background white -borderwidth 0 \
210 -state disabled \
211 -wrap none \
212 -height 10 \
213 -width 80 \
214 -xscrollcommand [list $w.file_pane.cm.sbx set] \
215 -yscrollcommand [list $w.file_pane.cm.sby set] \
216 -font font_diff
217 $w_cviewer tag conf still_loading \
218 -font font_uiitalic \
219 -justify center
220 $w_cviewer tag conf header_key \
221 -tabs {3c} \
222 -background $active_color \
223 -font font_uibold
224 $w_cviewer tag conf header_val \
225 -background $active_color \
226 -font font_ui
227 $w_cviewer tag raise sel
228 scrollbar $w.file_pane.cm.sbx \
229 -orient h \
230 -command [list $w_cviewer xview]
231 scrollbar $w.file_pane.cm.sby \
232 -orient v \
233 -command [list $w_cviewer yview]
234 pack $w.file_pane.cm.sby -side right -fill y
235 pack $w.file_pane.cm.sbx -side bottom -fill x
236 pack $w_cviewer -expand 1 -fill both
237
238 frame $w.status \
239 -borderwidth 1 \
240 -relief sunken
241 label $w.status.l \
242 -textvariable @status \
243 -anchor w \
244 -justify left
245 pack $w.status.l -side left
246
247 menu $w.ctxm -tearoff 0
248 $w.ctxm add command \
249 -label "Copy Commit" \
250 -command [cb _copycommit]
251
252 foreach i $w_columns {
253 for {set g 0} {$g < [llength $group_colors]} {incr g} {
254 $i tag conf color$g -background [lindex $group_colors $g]
255 }
256
257 $i conf -cursor $cursor_ptr
258 $i conf -yscrollcommand [list many2scrollbar \
259 $w_columns yview $w.file_pane.out.sby]
260 bind $i <Button-1> "
261 [cb _hide_tooltip]
262 [cb _click $i @%x,%y]
263 focus $i
264 "
265 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
266 bind $i <Any-Enter> [cb _hide_tooltip]
267 bind $i <Any-Leave> [cb _hide_tooltip]
268 bind_button3 $i "
269 [cb _hide_tooltip]
270 set cursorX %x
271 set cursorY %y
272 set cursorW %W
273 tk_popup $w.ctxm %X %Y
274 "
275 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
276 bind $i <Tab> "[list focus $w_cviewer];break"
277 }
278
279 foreach i [concat $w_columns $w_cviewer] {
280 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
281 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
282 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
283 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
284 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
285 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
286 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
287 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
288 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
289 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
290 }
291
292 bind $w_cviewer <Shift-Tab> "[list focus $w_file];break"
293 bind $w_cviewer <Tab> "[list focus $w_file];break"
294 bind $w_cviewer <Button-1> [list focus $w_cviewer]
295 bind $w_file <Visibility> [list focus $w_file]
296
297 grid configure $w.header -sticky ew
298 grid configure $w.file_pane -sticky nsew
299 grid configure $w.status -sticky ew
300 grid columnconfigure $top 0 -weight 1
301 grid rowconfigure $top 0 -weight 0
302 grid rowconfigure $top 1 -weight 1
303 grid rowconfigure $top 2 -weight 0
304
305 set req_w [winfo reqwidth $top]
306 set req_h [winfo reqheight $top]
307 set scr_h [expr {[winfo screenheight $top] - 100}]
308 if {$req_w < 600} {set req_w 600}
309 if {$req_h < $scr_h} {set req_h $scr_h}
310 set g "${req_w}x${req_h}"
311 wm geometry $top $g
312 update
313
314 set old_height [winfo height $w.file_pane]
315 $w.file_pane sash place 0 \
316 [lindex [$w.file_pane sash coord 0] 0] \
317 [expr {int($old_height * 0.70)}]
318 bind $w.file_pane <Configure> \
319 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
320
321 _load $this {}
322 }
323
324 method _load {jump} {
325 variable group_colors
326
327 _hide_tooltip $this
328
329 if {$total_lines != 0 || $current_fd ne {}} {
330 if {$current_fd ne {}} {
331 catch {close $current_fd}
332 set current_fd {}
333 }
334
335 foreach i $w_columns {
336 $i conf -state normal
337 $i delete 0.0 end
338 foreach g [$i tag names] {
339 if {[regexp {^g[0-9a-f]{40}$} $g]} {
340 $i tag delete $g
341 }
342 }
343 $i conf -state disabled
344 }
345
346 $w_cviewer conf -state normal
347 $w_cviewer delete 0.0 end
348 $w_cviewer conf -state disabled
349
350 set highlight_line -1
351 set highlight_column {}
352 set highlight_commit {}
353 set total_lines 0
354 }
355
356 if {[winfo exists $w.status.c]} {
357 $w.status.c coords bar 0 0 0 20
358 } else {
359 canvas $w.status.c \
360 -width 100 \
361 -height [expr {int([winfo reqheight $w.status.l] * 0.6)}] \
362 -borderwidth 1 \
363 -relief groove \
364 -highlightt 0
365 $w.status.c create rectangle 0 0 0 20 -tags bar -fill navy
366 pack $w.status.c -side right
367 }
368
369 if {$history eq {}} {
370 $w_back conf -state disabled
371 } else {
372 $w_back conf -state normal
373 }
374
375 # Index 0 is always empty. There is never line 0 as
376 # we use only 1 based lines, as that matches both with
377 # git-blame output and with Tk's text widget.
378 #
379 set amov_data [list [list]]
380 set asim_data [list [list]]
381
382 set status "Loading $commit:[escape_path $path]..."
383 $w_path conf -text [escape_path $path]
384 if {$commit eq {}} {
385 set fd [open $path r]
386 } else {
387 set cmd [list git cat-file blob "$commit:$path"]
388 set fd [open "| $cmd" r]
389 }
390 fconfigure $fd -blocking 0 -translation lf -encoding binary
391 fileevent $fd readable [cb _read_file $fd $jump]
392 set current_fd $fd
393 }
394
395 method _history_menu {} {
396 set m $w.backmenu
397 if {[winfo exists $m]} {
398 $m delete 0 end
399 } else {
400 menu $m -tearoff 0
401 }
402
403 for {set i [expr {[llength $history] - 1}]
404 } {$i >= 0} {incr i -1} {
405 set e [lindex $history $i]
406 set c [lindex $e 0]
407 set f [lindex $e 1]
408
409 if {[regexp {^[0-9a-f]{40}$} $c]} {
410 set t [string range $c 0 8]...
411 } elseif {$c eq {}} {
412 set t {Working Directory}
413 } else {
414 set t $c
415 }
416 if {![catch {set summary $header($c,summary)}]} {
417 append t " $summary"
418 if {[string length $t] > 70} {
419 set t [string range $t 0 66]...
420 }
421 }
422
423 $m add command -label $t -command [cb _goback $i]
424 }
425 set X [winfo rootx $w_back]
426 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
427 tk_popup $m $X $Y
428 }
429
430 method _goback {i} {
431 set dat [lindex $history $i]
432 set history [lrange $history 0 [expr {$i - 1}]]
433 set commit [lindex $dat 0]
434 set path [lindex $dat 1]
435 _load $this [lrange $dat 2 5]
436 }
437
438 method _read_file {fd jump} {
439 if {$fd ne $current_fd} {
440 catch {close $fd}
441 return
442 }
443
444 foreach i $w_columns {$i conf -state normal}
445 while {[gets $fd line] >= 0} {
446 regsub "\r\$" $line {} line
447 incr total_lines
448 lappend amov_data {}
449 lappend asim_data {}
450
451 if {$total_lines > 1} {
452 foreach i $w_columns {$i insert end "\n"}
453 }
454
455 $w_line insert end "$total_lines" linenumber
456 $w_file insert end "$line"
457 }
458
459 set ln_wc [expr {[string length $total_lines] + 2}]
460 if {[$w_line cget -width] < $ln_wc} {
461 $w_line conf -width $ln_wc
462 }
463
464 foreach i $w_columns {$i conf -state disabled}
465
466 if {[eof $fd]} {
467 close $fd
468
469 # If we don't force Tk to update the widgets *right now*
470 # none of our jump commands will cause a change in the UI.
471 #
472 update
473
474 if {[llength $jump] == 1} {
475 set highlight_line [lindex $jump 0]
476 $w_file see "$highlight_line.0"
477 } elseif {[llength $jump] == 4} {
478 set highlight_column [lindex $jump 0]
479 set highlight_line [lindex $jump 1]
480 $w_file xview moveto [lindex $jump 2]
481 $w_file yview moveto [lindex $jump 3]
482 }
483
484 _exec_blame $this $w_asim @asim_data \
485 [list] \
486 { copy/move tracking}
487 }
488 } ifdeleted { catch {close $fd} }
489
490 method _exec_blame {cur_w cur_d options cur_s} {
491 set cmd [list]
492 if {![is_Windows] || [is_Cygwin]} {
493 lappend cmd nice
494 }
495 lappend cmd git blame
496 set cmd [concat $cmd $options]
497 lappend cmd --incremental
498 if {$commit eq {}} {
499 lappend cmd --contents $path
500 } else {
501 lappend cmd $commit
502 }
503 lappend cmd -- $path
504 set fd [open "| $cmd" r]
505 fconfigure $fd -blocking 0 -translation lf -encoding binary
506 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d $cur_s]
507 set current_fd $fd
508 set blame_lines 0
509 _status $this $cur_s
510 }
511
512 method _read_blame {fd cur_w cur_d cur_s} {
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 {![regexp {^([[:upper:]])} $a_name _a]} break
552 append author_abbr $_a
553 unset _a
554 if {![regsub \
555 {^[[:upper:]][^\s]*\s+} \
556 $a_name {} a_name ]} break
557 }
558 if {$author_abbr eq {}} {
559 set author_abbr { |}
560 } else {
561 set author_abbr [string range $author_abbr 0 3]
562 }
563 unset a_name
564
565 set first_lno $lno
566 while {
567 $first_lno > 1
568 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
569 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
570 } {
571 incr first_lno -1
572 }
573
574 set color {}
575 if {$first_lno < $lno} {
576 foreach g [$w_file tag names $first_lno.0] {
577 if {[regexp {^color[0-9]+$} $g]} {
578 set color $g
579 break
580 }
581 }
582 } else {
583 set i [lsort [concat \
584 [$w_file tag names "[expr {$first_lno - 1}].0"] \
585 [$w_file tag names "[expr {$lno + $n}].0"] \
586 ]]
587 for {set g 0} {$g < [llength $group_colors]} {incr g} {
588 if {[lsearch -sorted -exact $i color$g] == -1} {
589 set color color$g
590 break
591 }
592 }
593 }
594 if {$color eq {}} {
595 set color color0
596 }
597
598 while {$n > 0} {
599 set lno_e "$lno.0 lineend + 1c"
600 if {[lindex $line_data $lno] ne {}} {
601 set g [lindex $line_data $lno 0]
602 foreach i $w_columns {
603 $i tag remove g$g $lno.0 $lno_e
604 }
605 }
606 lset line_data $lno [list $cmit $file $oln]
607
608 $cur_w delete $lno.0 "$lno.0 lineend"
609 if {$lno == $first_lno} {
610 $cur_w insert $lno.0 $commit_abbr $commit_type
611 } elseif {$lno == [expr {$first_lno + 1}]} {
612 $cur_w insert $lno.0 $author_abbr author_abbr
613 } else {
614 $cur_w insert $lno.0 { |}
615 }
616
617 foreach i $w_columns {
618 if {$cur_w eq $w_amov} {
619 for {set g 0} \
620 {$g < [llength $group_colors]} \
621 {incr g} {
622 $i tag remove color$g $lno.0 $lno_e
623 }
624 $i tag add $color $lno.0 $lno_e
625 }
626 $i tag add g$cmit $lno.0 $lno_e
627 }
628
629 if {$highlight_column eq $cur_w} {
630 if {$highlight_line == -1
631 && [lindex [$w_file yview] 0] == 0} {
632 $w_file see $lno.0
633 set highlight_line $lno
634 }
635 if {$highlight_line == $lno} {
636 _showcommit $this $cur_w $lno
637 }
638 }
639
640 incr n -1
641 incr lno
642 incr oln
643 incr blame_lines
644 }
645
646 while {
647 $cmit eq [lindex $line_data $lno 0]
648 && $file eq [lindex $line_data $lno 1]
649 } {
650 $cur_w delete $lno.0 "$lno.0 lineend"
651
652 if {$lno == $first_lno} {
653 $cur_w insert $lno.0 $commit_abbr $commit_type
654 } elseif {$lno == [expr {$first_lno + 1}]} {
655 $cur_w insert $lno.0 $author_abbr author_abbr
656 } else {
657 $cur_w insert $lno.0 { |}
658 }
659
660 if {$cur_w eq $w_amov} {
661 foreach i $w_columns {
662 for {set g 0} \
663 {$g < [llength $group_colors]} \
664 {incr g} {
665 $i tag remove color$g $lno.0 $lno_e
666 }
667 $i tag add $color $lno.0 $lno_e
668 }
669 }
670
671 incr lno
672 }
673
674 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
675 set header($r_commit,$key) $data
676 }
677 }
678 $cur_w conf -state disabled
679
680 if {[eof $fd]} {
681 close $fd
682 if {$cur_w eq $w_asim} {
683 _exec_blame $this $w_amov @amov_data \
684 [list -M -C -C] \
685 { original location}
686 } else {
687 set current_fd {}
688 set status {Annotation complete.}
689 destroy $w.status.c
690 }
691 } else {
692 _status $this $cur_s
693 }
694 } ifdeleted { catch {close $fd} }
695
696 method _status {cur_s} {
697 set have $blame_lines
698 set total $total_lines
699 set pdone 0
700 if {$total} {set pdone [expr {100 * $have / $total}]}
701
702 set status [format \
703 "Loading%s annotations... %i of %i lines annotated (%2i%%)" \
704 $cur_s $have $total $pdone]
705 $w.status.c coords bar 0 0 $pdone 20
706 }
707
708 method _click {cur_w pos} {
709 set lno [lindex [split [$cur_w index $pos] .] 0]
710 _showcommit $this $cur_w $lno
711 }
712
713 method _load_commit {cur_w cur_d pos} {
714 upvar #0 $cur_d line_data
715 set lno [lindex [split [$cur_w index $pos] .] 0]
716 set dat [lindex $line_data $lno]
717 if {$dat ne {}} {
718 lappend history [list \
719 $commit $path \
720 $highlight_column \
721 $highlight_line \
722 [lindex [$w_file xview] 0] \
723 [lindex [$w_file yview] 0] \
724 ]
725 set commit [lindex $dat 0]
726 set path [lindex $dat 1]
727 _load $this [list [lindex $dat 2]]
728 }
729 }
730
731 method _showcommit {cur_w lno} {
732 global repo_config
733 variable active_color
734
735 if {$highlight_commit ne {}} {
736 foreach i $w_columns {
737 $i tag conf g$highlight_commit -background {}
738 $i tag lower g$highlight_commit
739 }
740 }
741
742 if {$cur_w eq $w_asim} {
743 set dat [lindex $asim_data $lno]
744 set highlight_column $w_asim
745 } else {
746 set dat [lindex $amov_data $lno]
747 set highlight_column $w_amov
748 }
749
750 $w_cviewer conf -state normal
751 $w_cviewer delete 0.0 end
752
753 if {$dat eq {}} {
754 set cmit {}
755 $w_cviewer insert end "Loading annotation..." still_loading
756 } else {
757 set cmit [lindex $dat 0]
758 set file [lindex $dat 1]
759
760 foreach i $w_columns {
761 $i tag conf g$cmit -background $active_color
762 $i tag raise g$cmit
763 }
764
765 set author_name {}
766 set author_email {}
767 set author_time {}
768 catch {set author_name $header($cmit,author)}
769 catch {set author_email $header($cmit,author-mail)}
770 catch {set author_time [clock format \
771 $header($cmit,author-time) \
772 -format {%Y-%m-%d %H:%M:%S}
773 ]}
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 [clock format \
781 $header($cmit,committer-time) \
782 -format {%Y-%m-%d %H:%M:%S}
783 ]}
784
785 if {[catch {set msg $header($cmit,message)}]} {
786 set msg {}
787 catch {
788 set fd [open "| git cat-file commit $cmit" r]
789 fconfigure $fd -encoding binary -translation lf
790 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
791 set enc utf-8
792 }
793 while {[gets $fd line] > 0} {
794 if {[string match {encoding *} $line]} {
795 set enc [string tolower [string range $line 9 end]]
796 }
797 }
798 set msg [encoding convertfrom $enc [read $fd]]
799 set msg [string trim $msg]
800 close $fd
801
802 set author_name [encoding convertfrom $enc $author_name]
803 set committer_name [encoding convertfrom $enc $committer_name]
804
805 set header($cmit,author) $author_name
806 set header($cmit,committer) $committer_name
807 }
808 set header($cmit,message) $msg
809 }
810
811 $w_cviewer insert end "commit $cmit\n" header_key
812 $w_cviewer insert end "Author:\t" header_key
813 $w_cviewer insert end "$author_name $author_email" header_val
814 $w_cviewer insert end " $author_time\n" header_val
815
816 $w_cviewer insert end "Committer:\t" header_key
817 $w_cviewer insert end "$committer_name $committer_email" header_val
818 $w_cviewer insert end " $committer_time\n" header_val
819
820 if {$file ne $path} {
821 $w_cviewer insert end "Original File:\t" header_key
822 $w_cviewer insert end "[escape_path $file]\n" header_val
823 }
824
825 $w_cviewer insert end "\n$msg"
826 }
827 $w_cviewer conf -state disabled
828
829 set highlight_line $lno
830 set highlight_commit $cmit
831
832 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
833 _hide_tooltip $this
834 }
835 }
836
837 method _copycommit {} {
838 set pos @$::cursorX,$::cursorY
839 set lno [lindex [split [$::cursorW index $pos] .] 0]
840 set dat [lindex $amov_data $lno]
841 if {$dat ne {}} {
842 clipboard clear
843 clipboard append \
844 -format STRING \
845 -type STRING \
846 -- [lindex $dat 0]
847 }
848 }
849
850 method _show_tooltip {cur_w pos} {
851 if {$tooltip_wm ne {}} {
852 _open_tooltip $this $cur_w
853 } elseif {$tooltip_timer eq {}} {
854 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
855 }
856 }
857
858 method _open_tooltip {cur_w} {
859 set tooltip_timer {}
860 set pos_x [winfo pointerx $cur_w]
861 set pos_y [winfo pointery $cur_w]
862 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
863 _hide_tooltip $this
864 return
865 }
866
867 if {$tooltip_wm ne "$cur_w.tooltip"} {
868 _hide_tooltip $this
869
870 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
871 wm overrideredirect $tooltip_wm 1
872 wm transient $tooltip_wm [winfo toplevel $cur_w]
873 set tooltip_t $tooltip_wm.label
874 text $tooltip_t \
875 -takefocus 0 \
876 -highlightthickness 0 \
877 -relief flat \
878 -borderwidth 0 \
879 -wrap none \
880 -background lightyellow \
881 -foreground black
882 $tooltip_t tag conf section_header -font font_uibold
883 pack $tooltip_t
884 } else {
885 $tooltip_t conf -state normal
886 $tooltip_t delete 0.0 end
887 }
888
889 set pos @[join [list \
890 [expr {$pos_x - [winfo rootx $cur_w]}] \
891 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
892 set lno [lindex [split [$cur_w index $pos] .] 0]
893 if {$cur_w eq $w_amov} {
894 set dat [lindex $amov_data $lno]
895 set org {}
896 } else {
897 set dat [lindex $asim_data $lno]
898 set org [lindex $amov_data $lno]
899 }
900
901 set cmit [lindex $dat 0]
902 set tooltip_commit [list $cmit]
903
904 set author_name {}
905 set summary {}
906 set author_time {}
907 catch {set author_name $header($cmit,author)}
908 catch {set summary $header($cmit,summary)}
909 catch {set author_time [clock format \
910 $header($cmit,author-time) \
911 -format {%Y-%m-%d %H:%M:%S}
912 ]}
913
914 $tooltip_t insert end "commit $cmit\n"
915 $tooltip_t insert end "$author_name $author_time\n"
916 $tooltip_t insert end "$summary"
917
918 if {$org ne {} && [lindex $org 0] ne $cmit} {
919 set save [$tooltip_t get 0.0 end]
920 $tooltip_t delete 0.0 end
921
922 set cmit [lindex $org 0]
923 set file [lindex $org 1]
924 lappend tooltip_commit $cmit
925
926 set author_name {}
927 set summary {}
928 set author_time {}
929 catch {set author_name $header($cmit,author)}
930 catch {set summary $header($cmit,summary)}
931 catch {set author_time [clock format \
932 $header($cmit,author-time) \
933 -format {%Y-%m-%d %H:%M:%S}
934 ]}
935
936 $tooltip_t insert end "Originally By:\n" section_header
937 $tooltip_t insert end "commit $cmit\n"
938 $tooltip_t insert end "$author_name $author_time\n"
939 $tooltip_t insert end "$summary\n"
940
941 if {$file ne $path} {
942 $tooltip_t insert end "In File: " section_header
943 $tooltip_t insert end "$file\n"
944 }
945
946 $tooltip_t insert end "\n"
947 $tooltip_t insert end "Copied Or Moved Here By:\n" section_header
948 $tooltip_t insert end $save
949 }
950
951 $tooltip_t conf -state disabled
952 _position_tooltip $this
953 }
954
955 method _position_tooltip {} {
956 set max_h [lindex [split [$tooltip_t index end] .] 0]
957 set max_w 0
958 for {set i 1} {$i <= $max_h} {incr i} {
959 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
960 if {$c > $max_w} {set max_w $c}
961 }
962 $tooltip_t conf -width $max_w -height $max_h
963
964 set req_w [winfo reqwidth $tooltip_t]
965 set req_h [winfo reqheight $tooltip_t]
966 set pos_x [expr {[winfo pointerx .] + 5}]
967 set pos_y [expr {[winfo pointery .] + 10}]
968
969 set g "${req_w}x${req_h}"
970 if {$pos_x >= 0} {append g +}
971 append g $pos_x
972 if {$pos_y >= 0} {append g +}
973 append g $pos_y
974
975 wm geometry $tooltip_wm $g
976 raise $tooltip_wm
977 }
978
979 method _hide_tooltip {} {
980 if {$tooltip_wm ne {}} {
981 destroy $tooltip_wm
982 set tooltip_wm {}
983 set tooltip_commit {}
984 }
985 if {$tooltip_timer ne {}} {
986 after cancel $tooltip_timer
987 set tooltip_timer {}
988 }
989 }
990
991 method _resize {new_height} {
992 set diff [expr {$new_height - $old_height}]
993 if {$diff == 0} return
994
995 set my [expr {[winfo height $w.file_pane] - 25}]
996 set o [$w.file_pane sash coord 0]
997 set ox [lindex $o 0]
998 set oy [expr {[lindex $o 1] + $diff}]
999 if {$oy < 0} {set oy 0}
1000 if {$oy > $my} {set oy $my}
1001 $w.file_pane sash place 0 $ox $oy
1002
1003 set old_height $new_height
1004 }
1005
1006 }
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