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git-gui: Cleanup handling of the default encoding.
[git/dkf.git] / lib / blame.tcl
blob84d55b58287db4d62488c10b748424e1a896b8e4
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 i_jump} {
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 $w.ctxm add command \
263 -label [mc "Show History Context"] \
264 -command [cb _gitkcommit]
265 $w.ctxm add command \
266 -label [mc "Blame Parent Commit"] \
267 -command [cb _blameparent]
268
269 foreach i $w_columns {
270 for {set g 0} {$g < [llength $group_colors]} {incr g} {
271 $i tag conf color$g -background [lindex $group_colors $g]
272 }
273
274 $i conf -cursor $cursor_ptr
275 $i conf -yscrollcommand [list many2scrollbar \
276 $w_columns yview $w.file_pane.out.sby]
277 bind $i <Button-1> "
278 [cb _hide_tooltip]
279 [cb _click $i @%x,%y]
280 focus $i
281 "
282 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
283 bind $i <Any-Enter> [cb _hide_tooltip]
284 bind $i <Any-Leave> [cb _hide_tooltip]
285 bind_button3 $i "
286 [cb _hide_tooltip]
287 set cursorX %x
288 set cursorY %y
289 set cursorW %W
290 tk_popup $w.ctxm %X %Y
291 "
292 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
293 bind $i <Tab> "[list focus $w_cviewer];break"
294 }
295
296 foreach i [concat $w_columns $w_cviewer] {
297 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
298 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
299 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
300 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
301 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
302 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
303 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
304 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
305 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
306 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
307 }
308
309 bind $w_cviewer <Shift-Tab> "[list focus $w_file];break"
310 bind $w_cviewer <Tab> "[list focus $w_file];break"
311 bind $w_cviewer <Button-1> [list focus $w_cviewer]
312 bind $w_file <Visibility> [list focus $w_file]
313
314 grid configure $w.header -sticky ew
315 grid configure $w.file_pane -sticky nsew
316 grid configure $w.status -sticky ew
317 grid columnconfigure $top 0 -weight 1
318 grid rowconfigure $top 0 -weight 0
319 grid rowconfigure $top 1 -weight 1
320 grid rowconfigure $top 2 -weight 0
321
322 set req_w [winfo reqwidth $top]
323 set req_h [winfo reqheight $top]
324 set scr_h [expr {[winfo screenheight $top] - 100}]
325 if {$req_w < 600} {set req_w 600}
326 if {$req_h < $scr_h} {set req_h $scr_h}
327 set g "${req_w}x${req_h}"
328 wm geometry $top $g
329 update
330
331 set old_height [winfo height $w.file_pane]
332 $w.file_pane sash place 0 \
333 [lindex [$w.file_pane sash coord 0] 0] \
334 [expr {int($old_height * 0.70)}]
335 bind $w.file_pane <Configure> \
336 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
337
338 wm protocol $top WM_DELETE_WINDOW "destroy $top"
339 bind $top <Destroy> [cb _kill]
340
341 _load $this $i_jump
342 }
343
344 method _kill {} {
345 if {$current_fd ne {}} {
346 kill_file_process $current_fd
347 catch {close $current_fd}
348 set current_fd {}
349 }
350 }
351
352 method _load {jump} {
353 variable group_colors
354
355 _hide_tooltip $this
356
357 if {$total_lines != 0 || $current_fd ne {}} {
358 _kill $this
359
360 foreach i $w_columns {
361 $i conf -state normal
362 $i delete 0.0 end
363 foreach g [$i tag names] {
364 if {[regexp {^g[0-9a-f]{40}$} $g]} {
365 $i tag delete $g
366 }
367 }
368 $i conf -state disabled
369 }
370
371 $w_cviewer conf -state normal
372 $w_cviewer delete 0.0 end
373 $w_cviewer conf -state disabled
374
375 set highlight_line -1
376 set highlight_column {}
377 set highlight_commit {}
378 set total_lines 0
379 }
380
381 if {$history eq {}} {
382 $w_back conf -state disabled
383 } else {
384 $w_back conf -state normal
385 }
386
387 # Index 0 is always empty. There is never line 0 as
388 # we use only 1 based lines, as that matches both with
389 # git-blame output and with Tk's text widget.
390 #
391 set amov_data [list [list]]
392 set asim_data [list [list]]
393
394 $status show [mc "Reading %s..." "$commit:[escape_path $path]"]
395 $w_path conf -text [escape_path $path]
396 if {$commit eq {}} {
397 set fd [open $path r]
398 fconfigure $fd -eofchar {}
399 } else {
400 set fd [git_read cat-file blob "$commit:$path"]
401 }
402 fconfigure $fd \
403 -blocking 0 \
404 -translation lf \
405 -encoding [get_path_encoding $path]
406 fileevent $fd readable [cb _read_file $fd $jump]
407 set current_fd $fd
408 }
409
410 method _history_menu {} {
411 set m $w.backmenu
412 if {[winfo exists $m]} {
413 $m delete 0 end
414 } else {
415 menu $m -tearoff 0
416 }
417
418 for {set i [expr {[llength $history] - 1}]
419 } {$i >= 0} {incr i -1} {
420 set e [lindex $history $i]
421 set c [lindex $e 0]
422 set f [lindex $e 1]
423
424 if {[regexp {^[0-9a-f]{40}$} $c]} {
425 set t [string range $c 0 8]...
426 } elseif {$c eq {}} {
427 set t {Working Directory}
428 } else {
429 set t $c
430 }
431 if {![catch {set summary $header($c,summary)}]} {
432 append t " $summary"
433 if {[string length $t] > 70} {
434 set t [string range $t 0 66]...
435 }
436 }
437
438 $m add command -label $t -command [cb _goback $i]
439 }
440 set X [winfo rootx $w_back]
441 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
442 tk_popup $m $X $Y
443 }
444
445 method _goback {i} {
446 set dat [lindex $history $i]
447 set history [lrange $history 0 [expr {$i - 1}]]
448 set commit [lindex $dat 0]
449 set path [lindex $dat 1]
450 _load $this [lrange $dat 2 5]
451 }
452
453 method _read_file {fd jump} {
454 if {$fd ne $current_fd} {
455 catch {close $fd}
456 return
457 }
458
459 foreach i $w_columns {$i conf -state normal}
460 while {[gets $fd line] >= 0} {
461 regsub "\r\$" $line {} line
462 incr total_lines
463 lappend amov_data {}
464 lappend asim_data {}
465
466 if {$total_lines > 1} {
467 foreach i $w_columns {$i insert end "\n"}
468 }
469
470 $w_line insert end "$total_lines" linenumber
471 $w_file insert end "$line"
472 }
473
474 set ln_wc [expr {[string length $total_lines] + 2}]
475 if {[$w_line cget -width] < $ln_wc} {
476 $w_line conf -width $ln_wc
477 }
478
479 foreach i $w_columns {$i conf -state disabled}
480
481 if {[eof $fd]} {
482 close $fd
483
484 # If we don't force Tk to update the widgets *right now*
485 # none of our jump commands will cause a change in the UI.
486 #
487 update
488
489 if {[llength $jump] == 1} {
490 set highlight_line [lindex $jump 0]
491 $w_file see "$highlight_line.0"
492 } elseif {[llength $jump] == 4} {
493 set highlight_column [lindex $jump 0]
494 set highlight_line [lindex $jump 1]
495 $w_file xview moveto [lindex $jump 2]
496 $w_file yview moveto [lindex $jump 3]
497 }
498
499 _exec_blame $this $w_asim @asim_data \
500 [list] \
501 [mc "Loading copy/move tracking annotations..."]
502 }
503 } ifdeleted { catch {close $fd} }
504
505 method _exec_blame {cur_w cur_d options cur_s} {
506 lappend options --incremental
507 if {$commit eq {}} {
508 lappend options --contents $path
509 } else {
510 lappend options $commit
511 }
512 lappend options -- $path
513 set fd [eval git_read --nice blame $options]
514 fconfigure $fd -blocking 0 -translation lf -encoding utf-8
515 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
516 set current_fd $fd
517 set blame_lines 0
518
519 $status start \
520 $cur_s \
521 [mc "lines annotated"]
522 }
523
524 method _read_blame {fd cur_w cur_d} {
525 upvar #0 $cur_d line_data
526 variable group_colors
527
528 if {$fd ne $current_fd} {
529 catch {close $fd}
530 return
531 }
532
533 $cur_w conf -state normal
534 while {[gets $fd line] >= 0} {
535 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
536 cmit original_line final_line line_count]} {
537 set r_commit $cmit
538 set r_orig_line $original_line
539 set r_final_line $final_line
540 set r_line_count $line_count
541 } elseif {[string match {filename *} $line]} {
542 set file [string range $line 9 end]
543 set n $r_line_count
544 set lno $r_final_line
545 set oln $r_orig_line
546 set cmit $r_commit
547
548 if {[regexp {^0{40}$} $cmit]} {
549 set commit_abbr work
550 set commit_type curr_commit
551 } elseif {$cmit eq $commit} {
552 set commit_abbr this
553 set commit_type curr_commit
554 } else {
555 set commit_type prior_commit
556 set commit_abbr [string range $cmit 0 3]
557 }
558
559 set author_abbr {}
560 set a_name {}
561 catch {set a_name $header($cmit,author)}
562 while {$a_name ne {}} {
563 if {$author_abbr ne {}
564 && [string index $a_name 0] eq {'}} {
565 regsub {^'[^']+'\s+} $a_name {} a_name
566 }
567 if {![regexp {^([[:upper:]])} $a_name _a]} break
568 append author_abbr $_a
569 unset _a
570 if {![regsub \
571 {^[[:upper:]][^\s]*\s+} \
572 $a_name {} a_name ]} break
573 }
574 if {$author_abbr eq {}} {
575 set author_abbr { |}
576 } else {
577 set author_abbr [string range $author_abbr 0 3]
578 }
579 unset a_name
580
581 set first_lno $lno
582 while {
583 $first_lno > 1
584 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
585 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
586 } {
587 incr first_lno -1
588 }
589
590 set color {}
591 if {$first_lno < $lno} {
592 foreach g [$w_file tag names $first_lno.0] {
593 if {[regexp {^color[0-9]+$} $g]} {
594 set color $g
595 break
596 }
597 }
598 } else {
599 set i [lsort [concat \
600 [$w_file tag names "[expr {$first_lno - 1}].0"] \
601 [$w_file tag names "[expr {$lno + $n}].0"] \
602 ]]
603 for {set g 0} {$g < [llength $group_colors]} {incr g} {
604 if {[lsearch -sorted -exact $i color$g] == -1} {
605 set color color$g
606 break
607 }
608 }
609 }
610 if {$color eq {}} {
611 set color color0
612 }
613
614 while {$n > 0} {
615 set lno_e "$lno.0 lineend + 1c"
616 if {[lindex $line_data $lno] ne {}} {
617 set g [lindex $line_data $lno 0]
618 foreach i $w_columns {
619 $i tag remove g$g $lno.0 $lno_e
620 }
621 }
622 lset line_data $lno [list $cmit $file $oln]
623
624 $cur_w delete $lno.0 "$lno.0 lineend"
625 if {$lno == $first_lno} {
626 $cur_w insert $lno.0 $commit_abbr $commit_type
627 } elseif {$lno == [expr {$first_lno + 1}]} {
628 $cur_w insert $lno.0 $author_abbr author_abbr
629 } else {
630 $cur_w insert $lno.0 { |}
631 }
632
633 foreach i $w_columns {
634 if {$cur_w eq $w_amov} {
635 for {set g 0} \
636 {$g < [llength $group_colors]} \
637 {incr g} {
638 $i tag remove color$g $lno.0 $lno_e
639 }
640 $i tag add $color $lno.0 $lno_e
641 }
642 $i tag add g$cmit $lno.0 $lno_e
643 }
644
645 if {$highlight_column eq $cur_w} {
646 if {$highlight_line == -1
647 && [lindex [$w_file yview] 0] == 0} {
648 $w_file see $lno.0
649 set highlight_line $lno
650 }
651 if {$highlight_line == $lno} {
652 _showcommit $this $cur_w $lno
653 }
654 }
655
656 incr n -1
657 incr lno
658 incr oln
659 incr blame_lines
660 }
661
662 while {
663 $cmit eq [lindex $line_data $lno 0]
664 && $file eq [lindex $line_data $lno 1]
665 } {
666 $cur_w delete $lno.0 "$lno.0 lineend"
667
668 if {$lno == $first_lno} {
669 $cur_w insert $lno.0 $commit_abbr $commit_type
670 } elseif {$lno == [expr {$first_lno + 1}]} {
671 $cur_w insert $lno.0 $author_abbr author_abbr
672 } else {
673 $cur_w insert $lno.0 { |}
674 }
675
676 if {$cur_w eq $w_amov} {
677 foreach i $w_columns {
678 for {set g 0} \
679 {$g < [llength $group_colors]} \
680 {incr g} {
681 $i tag remove color$g $lno.0 $lno_e
682 }
683 $i tag add $color $lno.0 $lno_e
684 }
685 }
686
687 incr lno
688 }
689
690 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
691 set header($r_commit,$key) $data
692 }
693 }
694 $cur_w conf -state disabled
695
696 if {[eof $fd]} {
697 close $fd
698 if {$cur_w eq $w_asim} {
699 # Switches for original location detection
700 set threshold [get_config gui.copyblamethreshold]
701 set original_options [list "-C$threshold"]
702
703 if {![is_config_true gui.fastcopyblame]} {
704 # thorough copy search; insert before the threshold
705 set original_options [linsert $original_options 0 -C]
706 }
707 if {[git-version >= 1.5.3]} {
708 lappend original_options -w ; # ignore indentation changes
709 }
710
711 _exec_blame $this $w_amov @amov_data \
712 $original_options \
713 [mc "Loading original location annotations..."]
714 } else {
715 set current_fd {}
716 $status stop [mc "Annotation complete."]
717 }
718 } else {
719 $status update $blame_lines $total_lines
720 }
721 } ifdeleted { catch {close $fd} }
722
723 method _find_commit_bound {data_list start_idx delta} {
724 upvar #0 $data_list line_data
725 set pos $start_idx
726 set limit [expr {[llength $line_data] - 1}]
727 set base_commit [lindex $line_data $pos 0]
728
729 while {$pos > 0 && $pos < $limit} {
730 set new_pos [expr {$pos + $delta}]
731 if {[lindex $line_data $new_pos 0] ne $base_commit} {
732 return $pos
733 }
734
735 set pos $new_pos
736 }
737
738 return $pos
739 }
740
741 method _fullcopyblame {} {
742 if {$current_fd ne {}} {
743 tk_messageBox \
744 -icon error \
745 -type ok \
746 -title [mc "Busy"] \
747 -message [mc "Annotation process is already running."]
748
749 return
750 }
751
752 # Switches for original location detection
753 set threshold [get_config gui.copyblamethreshold]
754 set original_options [list -C -C "-C$threshold"]
755
756 if {[git-version >= 1.5.3]} {
757 lappend original_options -w ; # ignore indentation changes
758 }
759
760 # Find the line range
761 set pos @$::cursorX,$::cursorY
762 set lno [lindex [split [$::cursorW index $pos] .] 0]
763 set min_amov_lno [_find_commit_bound $this @amov_data $lno -1]
764 set max_amov_lno [_find_commit_bound $this @amov_data $lno 1]
765 set min_asim_lno [_find_commit_bound $this @asim_data $lno -1]
766 set max_asim_lno [_find_commit_bound $this @asim_data $lno 1]
767
768 if {$min_asim_lno < $min_amov_lno} {
769 set min_amov_lno $min_asim_lno
770 }
771
772 if {$max_asim_lno > $max_amov_lno} {
773 set max_amov_lno $max_asim_lno
774 }
775
776 lappend original_options -L "$min_amov_lno,$max_amov_lno"
777
778 # Clear lines
779 for {set i $min_amov_lno} {$i <= $max_amov_lno} {incr i} {
780 lset amov_data $i [list ]
781 }
782
783 # Start the back-end process
784 _exec_blame $this $w_amov @amov_data \
785 $original_options \
786 [mc "Running thorough copy detection..."]
787 }
788
789 method _click {cur_w pos} {
790 set lno [lindex [split [$cur_w index $pos] .] 0]
791 _showcommit $this $cur_w $lno
792 }
793
794 method _load_commit {cur_w cur_d pos} {
795 upvar #0 $cur_d line_data
796 set lno [lindex [split [$cur_w index $pos] .] 0]
797 set dat [lindex $line_data $lno]
798 if {$dat ne {}} {
799 _load_new_commit $this \
800 [lindex $dat 0] \
801 [lindex $dat 1] \
802 [list [lindex $dat 2]]
803 }
804 }
805
806 method _load_new_commit {new_commit new_path jump} {
807 lappend history [list \
808 $commit $path \
809 $highlight_column \
810 $highlight_line \
811 [lindex [$w_file xview] 0] \
812 [lindex [$w_file yview] 0] \
813 ]
814
815 set commit $new_commit
816 set path $new_path
817 _load $this $jump
818 }
819
820 method _showcommit {cur_w lno} {
821 global repo_config
822 variable active_color
823
824 if {$highlight_commit ne {}} {
825 foreach i $w_columns {
826 $i tag conf g$highlight_commit -background {}
827 $i tag lower g$highlight_commit
828 }
829 }
830
831 if {$cur_w eq $w_asim} {
832 set dat [lindex $asim_data $lno]
833 set highlight_column $w_asim
834 } else {
835 set dat [lindex $amov_data $lno]
836 set highlight_column $w_amov
837 }
838
839 $w_cviewer conf -state normal
840 $w_cviewer delete 0.0 end
841
842 if {$dat eq {}} {
843 set cmit {}
844 $w_cviewer insert end [mc "Loading annotation..."] still_loading
845 } else {
846 set cmit [lindex $dat 0]
847 set file [lindex $dat 1]
848
849 foreach i $w_columns {
850 $i tag conf g$cmit -background $active_color
851 $i tag raise g$cmit
852 }
853
854 set author_name {}
855 set author_email {}
856 set author_time {}
857 catch {set author_name $header($cmit,author)}
858 catch {set author_email $header($cmit,author-mail)}
859 catch {set author_time [format_date $header($cmit,author-time)]}
860
861 set committer_name {}
862 set committer_email {}
863 set committer_time {}
864 catch {set committer_name $header($cmit,committer)}
865 catch {set committer_email $header($cmit,committer-mail)}
866 catch {set committer_time [format_date $header($cmit,committer-time)]}
867
868 if {[catch {set msg $header($cmit,message)}]} {
869 set msg {}
870 catch {
871 set fd [git_read cat-file commit $cmit]
872 fconfigure $fd -encoding binary -translation lf
873 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
874 set enc utf-8
875 }
876 while {[gets $fd line] > 0} {
877 if {[string match {encoding *} $line]} {
878 set enc [string tolower [string range $line 9 end]]
879 }
880 }
881 set msg [read $fd]
882 close $fd
883
884 set enc [tcl_encoding $enc]
885 if {$enc ne {}} {
886 set msg [encoding convertfrom $enc $msg]
887 }
888 set msg [string trim $msg]
889 }
890 set header($cmit,message) $msg
891 }
892
893 $w_cviewer insert end "commit $cmit\n" header_key
894 $w_cviewer insert end [strcat [mc "Author:"] "\t"] header_key
895 $w_cviewer insert end "$author_name $author_email" header_val
896 $w_cviewer insert end " $author_time\n" header_val
897
898 $w_cviewer insert end [strcat [mc "Committer:"] "\t"] header_key
899 $w_cviewer insert end "$committer_name $committer_email" header_val
900 $w_cviewer insert end " $committer_time\n" header_val
901
902 if {$file ne $path} {
903 $w_cviewer insert end [strcat [mc "Original File:"] "\t"] header_key
904 $w_cviewer insert end "[escape_path $file]\n" header_val
905 }
906
907 $w_cviewer insert end "\n$msg"
908 }
909 $w_cviewer conf -state disabled
910
911 set highlight_line $lno
912 set highlight_commit $cmit
913
914 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
915 _hide_tooltip $this
916 }
917 }
918
919 method _get_click_amov_info {} {
920 set pos @$::cursorX,$::cursorY
921 set lno [lindex [split [$::cursorW index $pos] .] 0]
922 return [lindex $amov_data $lno]
923 }
924
925 method _copycommit {} {
926 set dat [_get_click_amov_info $this]
927 if {$dat ne {}} {
928 clipboard clear
929 clipboard append \
930 -format STRING \
931 -type STRING \
932 -- [lindex $dat 0]
933 }
934 }
935
936 method _format_offset_date {base offset} {
937 set exval [expr {$base + $offset*24*60*60}]
938 return [clock format $exval -format {%Y-%m-%d}]
939 }
940
941 method _gitkcommit {} {
942 global nullid
943
944 set dat [_get_click_amov_info $this]
945 if {$dat ne {}} {
946 set cmit [lindex $dat 0]
947
948 # If the line belongs to the working copy, use HEAD instead
949 if {$cmit eq $nullid} {
950 if {[catch {set cmit [git rev-parse --verify HEAD]} err]} {
951 error_popup [strcat [mc "Cannot find HEAD commit:"] "\n\n$err"]
952 return;
953 }
954 }
955
956 set radius [get_config gui.blamehistoryctx]
957 set cmdline [list --select-commit=$cmit]
958
959 if {$radius > 0} {
960 set author_time {}
961 set committer_time {}
962
963 catch {set author_time $header($cmit,author-time)}
964 catch {set committer_time $header($cmit,committer-time)}
965
966 if {$committer_time eq {}} {
967 set committer_time $author_time
968 }
969
970 set after_time [_format_offset_date $this $committer_time [expr {-$radius}]]
971 set before_time [_format_offset_date $this $committer_time $radius]
972
973 lappend cmdline --after=$after_time --before=$before_time
974 }
975
976 lappend cmdline $cmit
977
978 set base_rev "HEAD"
979 if {$commit ne {}} {
980 set base_rev $commit
981 }
982
983 if {$base_rev ne $cmit} {
984 lappend cmdline $base_rev
985 }
986
987 do_gitk $cmdline
988 }
989 }
990
991 method _blameparent {} {
992 global nullid
993
994 set dat [_get_click_amov_info $this]
995 if {$dat ne {}} {
996 set cmit [lindex $dat 0]
997 set new_path [lindex $dat 1]
998
999 # Allow using Blame Parent on lines modified in the working copy
1000 if {$cmit eq $nullid} {
1001 set parent_ref "HEAD"
1002 } else {
1003 set parent_ref "$cmit^"
1004 }
1005 if {[catch {set cparent [git rev-parse --verify $parent_ref]} err]} {
1006 error_popup [strcat [mc "Cannot find parent commit:"] "\n\n$err"]
1007 return;
1008 }
1009
1010 _kill $this
1011
1012 # Generate a diff between the commit and its parent,
1013 # and use the hunks to update the line number.
1014 # Request zero context to simplify calculations.
1015 if {$cmit eq $nullid} {
1016 set diffcmd [list diff-index --unified=0 $cparent -- $new_path]
1017 } else {
1018 set diffcmd [list diff-tree --unified=0 $cparent $cmit -- $new_path]
1019 }
1020 if {[catch {set fd [eval git_read $diffcmd]} err]} {
1021 $status stop [mc "Unable to display parent"]
1022 error_popup [strcat [mc "Error loading diff:"] "\n\n$err"]
1023 return
1024 }
1025
1026 set r_orig_line [lindex $dat 2]
1027
1028 fconfigure $fd \
1029 -blocking 0 \
1030 -encoding binary \
1031 -translation binary
1032 fileevent $fd readable [cb _read_diff_load_commit \
1033 $fd $cparent $new_path $r_orig_line]
1034 set current_fd $fd
1035 }
1036 }
1037
1038 method _read_diff_load_commit {fd cparent new_path tline} {
1039 if {$fd ne $current_fd} {
1040 catch {close $fd}
1041 return
1042 }
1043
1044 while {[gets $fd line] >= 0} {
1045 if {[regexp {^@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))? @@} $line line \
1046 old_line osz old_size new_line nsz new_size]} {
1047
1048 if {$osz eq {}} { set old_size 1 }
1049 if {$nsz eq {}} { set new_size 1 }
1050
1051 if {$new_line <= $tline} {
1052 if {[expr {$new_line + $new_size}] > $tline} {
1053 # Target line within the hunk
1054 set line_shift [expr {
1055 ($new_size-$old_size)*($tline-$new_line)/$new_size
1056 }]
1057 } else {
1058 set line_shift [expr {$new_size-$old_size}]
1059 }
1060
1061 set r_orig_line [expr {$r_orig_line - $line_shift}]
1062 }
1063 }
1064 }
1065
1066 if {[eof $fd]} {
1067 close $fd;
1068 set current_fd {}
1069
1070 _load_new_commit $this \
1071 $cparent \
1072 $new_path \
1073 [list $r_orig_line]
1074 }
1075 } ifdeleted { catch {close $fd} }
1076
1077 method _show_tooltip {cur_w pos} {
1078 if {$tooltip_wm ne {}} {
1079 _open_tooltip $this $cur_w
1080 } elseif {$tooltip_timer eq {}} {
1081 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
1082 }
1083 }
1084
1085 method _open_tooltip {cur_w} {
1086 set tooltip_timer {}
1087 set pos_x [winfo pointerx $cur_w]
1088 set pos_y [winfo pointery $cur_w]
1089 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
1090 _hide_tooltip $this
1091 return
1092 }
1093
1094 if {$tooltip_wm ne "$cur_w.tooltip"} {
1095 _hide_tooltip $this
1096
1097 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
1098 wm overrideredirect $tooltip_wm 1
1099 wm transient $tooltip_wm [winfo toplevel $cur_w]
1100 set tooltip_t $tooltip_wm.label
1101 text $tooltip_t \
1102 -takefocus 0 \
1103 -highlightthickness 0 \
1104 -relief flat \
1105 -borderwidth 0 \
1106 -wrap none \
1107 -background lightyellow \
1108 -foreground black
1109 $tooltip_t tag conf section_header -font font_uibold
1110 pack $tooltip_t
1111 } else {
1112 $tooltip_t conf -state normal
1113 $tooltip_t delete 0.0 end
1114 }
1115
1116 set pos @[join [list \
1117 [expr {$pos_x - [winfo rootx $cur_w]}] \
1118 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
1119 set lno [lindex [split [$cur_w index $pos] .] 0]
1120 if {$cur_w eq $w_amov} {
1121 set dat [lindex $amov_data $lno]
1122 set org {}
1123 } else {
1124 set dat [lindex $asim_data $lno]
1125 set org [lindex $amov_data $lno]
1126 }
1127
1128 if {$dat eq {}} {
1129 _hide_tooltip $this
1130 return
1131 }
1132
1133 set cmit [lindex $dat 0]
1134 set tooltip_commit [list $cmit]
1135
1136 set author_name {}
1137 set summary {}
1138 set author_time {}
1139 catch {set author_name $header($cmit,author)}
1140 catch {set summary $header($cmit,summary)}
1141 catch {set author_time [format_date $header($cmit,author-time)]}
1142
1143 $tooltip_t insert end "commit $cmit\n"
1144 $tooltip_t insert end "$author_name $author_time\n"
1145 $tooltip_t insert end "$summary"
1146
1147 if {$org ne {} && [lindex $org 0] ne $cmit} {
1148 set save [$tooltip_t get 0.0 end]
1149 $tooltip_t delete 0.0 end
1150
1151 set cmit [lindex $org 0]
1152 set file [lindex $org 1]
1153 lappend tooltip_commit $cmit
1154
1155 set author_name {}
1156 set summary {}
1157 set author_time {}
1158 catch {set author_name $header($cmit,author)}
1159 catch {set summary $header($cmit,summary)}
1160 catch {set author_time [format_date $header($cmit,author-time)]}
1161
1162 $tooltip_t insert end [strcat [mc "Originally By:"] "\n"] section_header
1163 $tooltip_t insert end "commit $cmit\n"
1164 $tooltip_t insert end "$author_name $author_time\n"
1165 $tooltip_t insert end "$summary\n"
1166
1167 if {$file ne $path} {
1168 $tooltip_t insert end [strcat [mc "In File:"] " "] section_header
1169 $tooltip_t insert end "$file\n"
1170 }
1171
1172 $tooltip_t insert end "\n"
1173 $tooltip_t insert end [strcat [mc "Copied Or Moved Here By:"] "\n"] section_header
1174 $tooltip_t insert end $save
1175 }
1176
1177 $tooltip_t conf -state disabled
1178 _position_tooltip $this
1179 }
1180
1181 method _position_tooltip {} {
1182 set max_h [lindex [split [$tooltip_t index end] .] 0]
1183 set max_w 0
1184 for {set i 1} {$i <= $max_h} {incr i} {
1185 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
1186 if {$c > $max_w} {set max_w $c}
1187 }
1188 $tooltip_t conf -width $max_w -height $max_h
1189
1190 set req_w [winfo reqwidth $tooltip_t]
1191 set req_h [winfo reqheight $tooltip_t]
1192 set pos_x [expr {[winfo pointerx .] + 5}]
1193 set pos_y [expr {[winfo pointery .] + 10}]
1194
1195 set g "${req_w}x${req_h}"
1196 if {$pos_x >= 0} {append g +}
1197 append g $pos_x
1198 if {$pos_y >= 0} {append g +}
1199 append g $pos_y
1200
1201 wm geometry $tooltip_wm $g
1202 raise $tooltip_wm
1203 }
1204
1205 method _hide_tooltip {} {
1206 if {$tooltip_wm ne {}} {
1207 destroy $tooltip_wm
1208 set tooltip_wm {}
1209 set tooltip_commit {}
1210 }
1211 if {$tooltip_timer ne {}} {
1212 after cancel $tooltip_timer
1213 set tooltip_timer {}
1214 }
1215 }
1216
1217 method _resize {new_height} {
1218 set diff [expr {$new_height - $old_height}]
1219 if {$diff == 0} return
1220
1221 set my [expr {[winfo height $w.file_pane] - 25}]
1222 set o [$w.file_pane sash coord 0]
1223 set ox [lindex $o 0]
1224 set oy [expr {[lindex $o 1] + $diff}]
1225 if {$oy < 0} {set oy 0}
1226 if {$oy > $my} {set oy $my}
1227 $w.file_pane sash place 0 $ox $oy
1228
1229 set old_height $new_height
1230 }
1231
1232 }
knittl's private git fork