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git-gui: Bind Tab/Shift-Tab to cycle between panes in blame
[git-gui.git] / lib / blame.tcl
blob076233c3c33a1a39a1c5cb5727edfe240e618607
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 $top]
307 if {$req_w < 600} {set req_w 600}
308 if {$req_h < 400} {set req_h 400}
309 set g "${req_w}x${req_h}"
310 wm geometry $top $g
311 update
312
313 set old_height [winfo height $w.file_pane]
314 $w.file_pane sash place 0 \
315 [lindex [$w.file_pane sash coord 0] 0] \
316 [expr {int($old_height * 0.70)}]
317 bind $w.file_pane <Configure> \
318 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
319
320 _load $this {}
321 }
322
323 method _load {jump} {
324 variable group_colors
325
326 _hide_tooltip $this
327
328 if {$total_lines != 0 || $current_fd ne {}} {
329 if {$current_fd ne {}} {
330 catch {close $current_fd}
331 set current_fd {}
332 }
333
334 foreach i $w_columns {
335 $i conf -state normal
336 $i delete 0.0 end
337 foreach g [$i tag names] {
338 if {[regexp {^g[0-9a-f]{40}$} $g]} {
339 $i tag delete $g
340 }
341 }
342 $i conf -state disabled
343 }
344
345 $w_cviewer conf -state normal
346 $w_cviewer delete 0.0 end
347 $w_cviewer conf -state disabled
348
349 set highlight_line -1
350 set highlight_column {}
351 set highlight_commit {}
352 set total_lines 0
353 }
354
355 if {[winfo exists $w.status.c]} {
356 $w.status.c coords bar 0 0 0 20
357 } else {
358 canvas $w.status.c \
359 -width 100 \
360 -height [expr {int([winfo reqheight $w.status.l] * 0.6)}] \
361 -borderwidth 1 \
362 -relief groove \
363 -highlightt 0
364 $w.status.c create rectangle 0 0 0 20 -tags bar -fill navy
365 pack $w.status.c -side right
366 }
367
368 if {$history eq {}} {
369 $w_back conf -state disabled
370 } else {
371 $w_back conf -state normal
372 }
373
374 # Index 0 is always empty. There is never line 0 as
375 # we use only 1 based lines, as that matches both with
376 # git-blame output and with Tk's text widget.
377 #
378 set amov_data [list [list]]
379 set asim_data [list [list]]
380
381 set status "Loading $commit:[escape_path $path]..."
382 $w_path conf -text [escape_path $path]
383 if {$commit eq {}} {
384 set fd [open $path r]
385 } else {
386 set cmd [list git cat-file blob "$commit:$path"]
387 set fd [open "| $cmd" r]
388 }
389 fconfigure $fd -blocking 0 -translation lf -encoding binary
390 fileevent $fd readable [cb _read_file $fd $jump]
391 set current_fd $fd
392 }
393
394 method _history_menu {} {
395 set m $w.backmenu
396 if {[winfo exists $m]} {
397 $m delete 0 end
398 } else {
399 menu $m -tearoff 0
400 }
401
402 for {set i [expr {[llength $history] - 1}]
403 } {$i >= 0} {incr i -1} {
404 set e [lindex $history $i]
405 set c [lindex $e 0]
406 set f [lindex $e 1]
407
408 if {[regexp {^[0-9a-f]{40}$} $c]} {
409 set t [string range $c 0 8]...
410 } elseif {$c eq {}} {
411 set t {Working Directory}
412 } else {
413 set t $c
414 }
415 if {![catch {set summary $header($c,summary)}]} {
416 append t " $summary"
417 if {[string length $t] > 70} {
418 set t [string range $t 0 66]...
419 }
420 }
421
422 $m add command -label $t -command [cb _goback $i]
423 }
424 set X [winfo rootx $w_back]
425 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
426 tk_popup $m $X $Y
427 }
428
429 method _goback {i} {
430 set dat [lindex $history $i]
431 set history [lrange $history 0 [expr {$i - 1}]]
432 set commit [lindex $dat 0]
433 set path [lindex $dat 1]
434 _load $this [lrange $dat 2 5]
435 }
436
437 method _read_file {fd jump} {
438 if {$fd ne $current_fd} {
439 catch {close $fd}
440 return
441 }
442
443 foreach i $w_columns {$i conf -state normal}
444 while {[gets $fd line] >= 0} {
445 regsub "\r\$" $line {} line
446 incr total_lines
447 lappend amov_data {}
448 lappend asim_data {}
449
450 if {$total_lines > 1} {
451 foreach i $w_columns {$i insert end "\n"}
452 }
453
454 $w_line insert end "$total_lines" linenumber
455 $w_file insert end "$line"
456 }
457
458 set ln_wc [expr {[string length $total_lines] + 2}]
459 if {[$w_line cget -width] < $ln_wc} {
460 $w_line conf -width $ln_wc
461 }
462
463 foreach i $w_columns {$i conf -state disabled}
464
465 if {[eof $fd]} {
466 close $fd
467
468 # If we don't force Tk to update the widgets *right now*
469 # none of our jump commands will cause a change in the UI.
470 #
471 update
472
473 if {[llength $jump] == 1} {
474 set highlight_line [lindex $jump 0]
475 $w_file see "$highlight_line.0"
476 } elseif {[llength $jump] == 4} {
477 set highlight_column [lindex $jump 0]
478 set highlight_line [lindex $jump 1]
479 $w_file xview moveto [lindex $jump 2]
480 $w_file yview moveto [lindex $jump 3]
481 }
482
483 _exec_blame $this $w_asim @asim_data \
484 [list] \
485 { copy/move tracking}
486 }
487 } ifdeleted { catch {close $fd} }
488
489 method _exec_blame {cur_w cur_d options cur_s} {
490 set cmd [list nice git blame]
491 set cmd [concat $cmd $options]
492 lappend cmd --incremental
493 if {$commit eq {}} {
494 lappend cmd --contents $path
495 } else {
496 lappend cmd $commit
497 }
498 lappend cmd -- $path
499 set fd [open "| $cmd" r]
500 fconfigure $fd -blocking 0 -translation lf -encoding binary
501 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d $cur_s]
502 set current_fd $fd
503 set blame_lines 0
504 _status $this $cur_s
505 }
506
507 method _read_blame {fd cur_w cur_d cur_s} {
508 upvar #0 $cur_d line_data
509 variable group_colors
510
511 if {$fd ne $current_fd} {
512 catch {close $fd}
513 return
514 }
515
516 $cur_w conf -state normal
517 while {[gets $fd line] >= 0} {
518 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
519 cmit original_line final_line line_count]} {
520 set r_commit $cmit
521 set r_orig_line $original_line
522 set r_final_line $final_line
523 set r_line_count $line_count
524 } elseif {[string match {filename *} $line]} {
525 set file [string range $line 9 end]
526 set n $r_line_count
527 set lno $r_final_line
528 set oln $r_orig_line
529 set cmit $r_commit
530
531 if {[regexp {^0{40}$} $cmit]} {
532 set commit_abbr work
533 set commit_type curr_commit
534 } elseif {$cmit eq $commit} {
535 set commit_abbr this
536 set commit_type curr_commit
537 } else {
538 set commit_type prior_commit
539 set commit_abbr [string range $cmit 0 3]
540 }
541
542 set author_abbr {}
543 set a_name {}
544 catch {set a_name $header($cmit,author)}
545 while {$a_name ne {}} {
546 if {![regexp {^([[:upper:]])} $a_name _a]} break
547 append author_abbr $_a
548 unset _a
549 if {![regsub \
550 {^[[:upper:]][^\s]*\s+} \
551 $a_name {} a_name ]} break
552 }
553 if {$author_abbr eq {}} {
554 set author_abbr { |}
555 } else {
556 set author_abbr [string range $author_abbr 0 3]
557 }
558 unset a_name
559
560 set first_lno $lno
561 while {
562 $first_lno > 1
563 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
564 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
565 } {
566 incr first_lno -1
567 }
568
569 set color {}
570 if {$first_lno < $lno} {
571 foreach g [$w_file tag names $first_lno.0] {
572 if {[regexp {^color[0-9]+$} $g]} {
573 set color $g
574 break
575 }
576 }
577 } else {
578 set i [lsort [concat \
579 [$w_file tag names "[expr {$first_lno - 1}].0"] \
580 [$w_file tag names "[expr {$lno + $n}].0"] \
581 ]]
582 for {set g 0} {$g < [llength $group_colors]} {incr g} {
583 if {[lsearch -sorted -exact $i color$g] == -1} {
584 set color color$g
585 break
586 }
587 }
588 }
589 if {$color eq {}} {
590 set color color0
591 }
592
593 while {$n > 0} {
594 set lno_e "$lno.0 lineend + 1c"
595 if {[lindex $line_data $lno] ne {}} {
596 set g [lindex $line_data $lno 0]
597 foreach i $w_columns {
598 $i tag remove g$g $lno.0 $lno_e
599 }
600 }
601 lset line_data $lno [list $cmit $file $oln]
602
603 $cur_w delete $lno.0 "$lno.0 lineend"
604 if {$lno == $first_lno} {
605 $cur_w insert $lno.0 $commit_abbr $commit_type
606 } elseif {$lno == [expr {$first_lno + 1}]} {
607 $cur_w insert $lno.0 $author_abbr author_abbr
608 } else {
609 $cur_w insert $lno.0 { |}
610 }
611
612 foreach i $w_columns {
613 if {$cur_w eq $w_amov} {
614 for {set g 0} \
615 {$g < [llength $group_colors]} \
616 {incr g} {
617 $i tag remove color$g $lno.0 $lno_e
618 }
619 $i tag add $color $lno.0 $lno_e
620 }
621 $i tag add g$cmit $lno.0 $lno_e
622 }
623
624 if {$highlight_column eq $cur_w} {
625 if {$highlight_line == -1
626 && [lindex [$w_file yview] 0] == 0} {
627 $w_file see $lno.0
628 set highlight_line $lno
629 }
630 if {$highlight_line == $lno} {
631 _showcommit $this $cur_w $lno
632 }
633 }
634
635 incr n -1
636 incr lno
637 incr oln
638 incr blame_lines
639 }
640
641 while {
642 $cmit eq [lindex $line_data $lno 0]
643 && $file eq [lindex $line_data $lno 1]
644 } {
645 $cur_w delete $lno.0 "$lno.0 lineend"
646
647 if {$lno == $first_lno} {
648 $cur_w insert $lno.0 $commit_abbr $commit_type
649 } elseif {$lno == [expr {$first_lno + 1}]} {
650 $cur_w insert $lno.0 $author_abbr author_abbr
651 } else {
652 $cur_w insert $lno.0 { |}
653 }
654
655 if {$cur_w eq $w_amov} {
656 foreach i $w_columns {
657 for {set g 0} \
658 {$g < [llength $group_colors]} \
659 {incr g} {
660 $i tag remove color$g $lno.0 $lno_e
661 }
662 $i tag add $color $lno.0 $lno_e
663 }
664 }
665
666 incr lno
667 }
668
669 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
670 set header($r_commit,$key) $data
671 }
672 }
673 $cur_w conf -state disabled
674
675 if {[eof $fd]} {
676 close $fd
677 if {$cur_w eq $w_asim} {
678 _exec_blame $this $w_amov @amov_data \
679 [list -M -C -C] \
680 { original location}
681 } else {
682 set current_fd {}
683 set status {Annotation complete.}
684 destroy $w.status.c
685 }
686 } else {
687 _status $this $cur_s
688 }
689 } ifdeleted { catch {close $fd} }
690
691 method _status {cur_s} {
692 set have $blame_lines
693 set total $total_lines
694 set pdone 0
695 if {$total} {set pdone [expr {100 * $have / $total}]}
696
697 set status [format \
698 "Loading%s annotations... %i of %i lines annotated (%2i%%)" \
699 $cur_s $have $total $pdone]
700 $w.status.c coords bar 0 0 $pdone 20
701 }
702
703 method _click {cur_w pos} {
704 set lno [lindex [split [$cur_w index $pos] .] 0]
705 _showcommit $this $cur_w $lno
706 }
707
708 method _load_commit {cur_w cur_d pos} {
709 upvar #0 $cur_d line_data
710 set lno [lindex [split [$cur_w index $pos] .] 0]
711 set dat [lindex $line_data $lno]
712 if {$dat ne {}} {
713 lappend history [list \
714 $commit $path \
715 $highlight_column \
716 $highlight_line \
717 [lindex [$w_file xview] 0] \
718 [lindex [$w_file yview] 0] \
719 ]
720 set commit [lindex $dat 0]
721 set path [lindex $dat 1]
722 _load $this [list [lindex $dat 2]]
723 }
724 }
725
726 method _showcommit {cur_w lno} {
727 global repo_config
728 variable active_color
729
730 if {$highlight_commit ne {}} {
731 foreach i $w_columns {
732 $i tag conf g$highlight_commit -background {}
733 $i tag lower g$highlight_commit
734 }
735 }
736
737 if {$cur_w eq $w_asim} {
738 set dat [lindex $asim_data $lno]
739 set highlight_column $w_asim
740 } else {
741 set dat [lindex $amov_data $lno]
742 set highlight_column $w_amov
743 }
744
745 $w_cviewer conf -state normal
746 $w_cviewer delete 0.0 end
747
748 if {$dat eq {}} {
749 set cmit {}
750 $w_cviewer insert end "Loading annotation..." still_loading
751 } else {
752 set cmit [lindex $dat 0]
753 set file [lindex $dat 1]
754
755 foreach i $w_columns {
756 $i tag conf g$cmit -background $active_color
757 $i tag raise g$cmit
758 }
759
760 set author_name {}
761 set author_email {}
762 set author_time {}
763 catch {set author_name $header($cmit,author)}
764 catch {set author_email $header($cmit,author-mail)}
765 catch {set author_time [clock format \
766 $header($cmit,author-time) \
767 -format {%Y-%m-%d %H:%M:%S}
768 ]}
769
770 set committer_name {}
771 set committer_email {}
772 set committer_time {}
773 catch {set committer_name $header($cmit,committer)}
774 catch {set committer_email $header($cmit,committer-mail)}
775 catch {set committer_time [clock format \
776 $header($cmit,committer-time) \
777 -format {%Y-%m-%d %H:%M:%S}
778 ]}
779
780 if {[catch {set msg $header($cmit,message)}]} {
781 set msg {}
782 catch {
783 set fd [open "| git cat-file commit $cmit" r]
784 fconfigure $fd -encoding binary -translation lf
785 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
786 set enc utf-8
787 }
788 while {[gets $fd line] > 0} {
789 if {[string match {encoding *} $line]} {
790 set enc [string tolower [string range $line 9 end]]
791 }
792 }
793 set msg [encoding convertfrom $enc [read $fd]]
794 set msg [string trim $msg]
795 close $fd
796
797 set author_name [encoding convertfrom $enc $author_name]
798 set committer_name [encoding convertfrom $enc $committer_name]
799
800 set header($cmit,author) $author_name
801 set header($cmit,committer) $committer_name
802 }
803 set header($cmit,message) $msg
804 }
805
806 $w_cviewer insert end "commit $cmit\n" header_key
807 $w_cviewer insert end "Author:\t" header_key
808 $w_cviewer insert end "$author_name $author_email" header_val
809 $w_cviewer insert end " $author_time\n" header_val
810
811 $w_cviewer insert end "Committer:\t" header_key
812 $w_cviewer insert end "$committer_name $committer_email" header_val
813 $w_cviewer insert end " $committer_time\n" header_val
814
815 if {$file ne $path} {
816 $w_cviewer insert end "Original File:\t" header_key
817 $w_cviewer insert end "[escape_path $file]\n" header_val
818 }
819
820 $w_cviewer insert end "\n$msg"
821 }
822 $w_cviewer conf -state disabled
823
824 set highlight_line $lno
825 set highlight_commit $cmit
826
827 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
828 _hide_tooltip $this
829 }
830 }
831
832 method _copycommit {} {
833 set pos @$::cursorX,$::cursorY
834 set lno [lindex [split [$::cursorW index $pos] .] 0]
835 set dat [lindex $amov_data $lno]
836 if {$dat ne {}} {
837 clipboard clear
838 clipboard append \
839 -format STRING \
840 -type STRING \
841 -- [lindex $dat 0]
842 }
843 }
844
845 method _show_tooltip {cur_w pos} {
846 if {$tooltip_wm ne {}} {
847 _open_tooltip $this $cur_w
848 } elseif {$tooltip_timer eq {}} {
849 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
850 }
851 }
852
853 method _open_tooltip {cur_w} {
854 set tooltip_timer {}
855 set pos_x [winfo pointerx $cur_w]
856 set pos_y [winfo pointery $cur_w]
857 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
858 _hide_tooltip $this
859 return
860 }
861
862 if {$tooltip_wm ne "$cur_w.tooltip"} {
863 _hide_tooltip $this
864
865 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
866 wm overrideredirect $tooltip_wm 1
867 wm transient $tooltip_wm [winfo toplevel $cur_w]
868 set tooltip_t $tooltip_wm.label
869 text $tooltip_t \
870 -takefocus 0 \
871 -highlightthickness 0 \
872 -relief flat \
873 -borderwidth 0 \
874 -wrap none \
875 -background lightyellow \
876 -foreground black
877 $tooltip_t tag conf section_header -font font_uibold
878 pack $tooltip_t
879 } else {
880 $tooltip_t conf -state normal
881 $tooltip_t delete 0.0 end
882 }
883
884 set pos @[join [list \
885 [expr {$pos_x - [winfo rootx $cur_w]}] \
886 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
887 set lno [lindex [split [$cur_w index $pos] .] 0]
888 if {$cur_w eq $w_amov} {
889 set dat [lindex $amov_data $lno]
890 set org {}
891 } else {
892 set dat [lindex $asim_data $lno]
893 set org [lindex $amov_data $lno]
894 }
895
896 set cmit [lindex $dat 0]
897 set tooltip_commit [list $cmit]
898
899 set author_name {}
900 set summary {}
901 set author_time {}
902 catch {set author_name $header($cmit,author)}
903 catch {set summary $header($cmit,summary)}
904 catch {set author_time [clock format \
905 $header($cmit,author-time) \
906 -format {%Y-%m-%d %H:%M:%S}
907 ]}
908
909 $tooltip_t insert end "commit $cmit\n"
910 $tooltip_t insert end "$author_name $author_time\n"
911 $tooltip_t insert end "$summary"
912
913 if {$org ne {} && [lindex $org 0] ne $cmit} {
914 set save [$tooltip_t get 0.0 end]
915 $tooltip_t delete 0.0 end
916
917 set cmit [lindex $org 0]
918 set file [lindex $org 1]
919 lappend tooltip_commit $cmit
920
921 set author_name {}
922 set summary {}
923 set author_time {}
924 catch {set author_name $header($cmit,author)}
925 catch {set summary $header($cmit,summary)}
926 catch {set author_time [clock format \
927 $header($cmit,author-time) \
928 -format {%Y-%m-%d %H:%M:%S}
929 ]}
930
931 $tooltip_t insert end "Originally By:\n" section_header
932 $tooltip_t insert end "commit $cmit\n"
933 $tooltip_t insert end "$author_name $author_time\n"
934 $tooltip_t insert end "$summary\n"
935
936 if {$file ne $path} {
937 $tooltip_t insert end "In File: " section_header
938 $tooltip_t insert end "$file\n"
939 }
940
941 $tooltip_t insert end "\n"
942 $tooltip_t insert end "Copied Or Moved Here By:\n" section_header
943 $tooltip_t insert end $save
944 }
945
946 $tooltip_t conf -state disabled
947 _position_tooltip $this
948 }
949
950 method _position_tooltip {} {
951 set max_h [lindex [split [$tooltip_t index end] .] 0]
952 set max_w 0
953 for {set i 1} {$i <= $max_h} {incr i} {
954 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
955 if {$c > $max_w} {set max_w $c}
956 }
957 $tooltip_t conf -width $max_w -height $max_h
958
959 set req_w [winfo reqwidth $tooltip_t]
960 set req_h [winfo reqheight $tooltip_t]
961 set pos_x [expr {[winfo pointerx .] + 5}]
962 set pos_y [expr {[winfo pointery .] + 10}]
963
964 set g "${req_w}x${req_h}"
965 if {$pos_x >= 0} {append g +}
966 append g $pos_x
967 if {$pos_y >= 0} {append g +}
968 append g $pos_y
969
970 wm geometry $tooltip_wm $g
971 raise $tooltip_wm
972 }
973
974 method _hide_tooltip {} {
975 if {$tooltip_wm ne {}} {
976 destroy $tooltip_wm
977 set tooltip_wm {}
978 set tooltip_commit {}
979 }
980 if {$tooltip_timer ne {}} {
981 after cancel $tooltip_timer
982 set tooltip_timer {}
983 }
984 }
985
986 method _resize {new_height} {
987 set diff [expr {$new_height - $old_height}]
988 if {$diff == 0} return
989
990 set my [expr {[winfo height $w.file_pane] - 25}]
991 set o [$w.file_pane sash coord 0]
992 set ox [lindex $o 0]
993 set oy [expr {[lindex $o 1] + $diff}]
994 if {$oy < 0} {set oy 0}
995 if {$oy > $my} {set oy $my}
996 $w.file_pane sash place 0 $ox $oy
997
998 set old_height $new_height
999 }
1000
1001 }
Tk based UI for Git