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git-gui: Fix the blame window shape.
[git/dscho.git] / lib / blame.tcl
blob221313c76849c57875525b8ed1acc6f56c83bd7d
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 set font_w [font measure font_diff "0"]
73
74 frame $w.header -background gold
75 label $w.header.commit_l \
76 -text [mc "Commit:"] \
77 -background gold \
78 -foreground black \
79 -anchor w \
80 -justify left
81 set w_back $w.header.commit_b
82 label $w_back \
83 -image ::blame::img_back_arrow \
84 -borderwidth 0 \
85 -relief flat \
86 -state disabled \
87 -background gold \
88 -foreground black \
89 -activebackground gold
90 bind $w_back <Button-1> "
91 if {\[$w_back cget -state\] eq {normal}} {
92 [cb _history_menu]
93 }
94 "
95 label $w.header.commit \
96 -textvariable @commit \
97 -background gold \
98 -foreground black \
99 -anchor w \
100 -justify left
101 label $w.header.path_l \
102 -text [mc "File:"] \
103 -background gold \
104 -foreground black \
105 -anchor w \
106 -justify left
107 set w_path $w.header.path
108 label $w_path \
109 -background gold \
110 -foreground black \
111 -anchor w \
112 -justify left
113 pack $w.header.commit_l -side left
114 pack $w_back -side left
115 pack $w.header.commit -side left
116 pack $w_path -fill x -side right
117 pack $w.header.path_l -side right
118
119 panedwindow $w.file_pane -orient vertical -borderwidth 0 -sashwidth 3
120 frame $w.file_pane.out -relief flat -borderwidth 1
121 frame $w.file_pane.cm -relief sunken -borderwidth 1
122 $w.file_pane add $w.file_pane.out \
123 -sticky nsew \
124 -minsize 100 \
125 -height 100 \
126 -width 100
127 $w.file_pane add $w.file_pane.cm \
128 -sticky nsew \
129 -minsize 25 \
130 -height 25 \
131 -width 100
132
133 set w_line $w.file_pane.out.linenumber_t
134 text $w_line \
135 -takefocus 0 \
136 -highlightthickness 0 \
137 -padx 0 -pady 0 \
138 -background white \
139 -foreground black \
140 -borderwidth 0 \
141 -state disabled \
142 -wrap none \
143 -height 40 \
144 -width 6 \
145 -font font_diff
146 $w_line tag conf linenumber -justify right -rmargin 5
147
148 set w_amov $w.file_pane.out.amove_t
149 text $w_amov \
150 -takefocus 0 \
151 -highlightthickness 0 \
152 -padx 0 -pady 0 \
153 -background white \
154 -foreground black \
155 -borderwidth 0 \
156 -state disabled \
157 -wrap none \
158 -height 40 \
159 -width 5 \
160 -font font_diff
161 $w_amov tag conf author_abbr -justify right -rmargin 5
162 $w_amov tag conf curr_commit
163 $w_amov tag conf prior_commit -foreground blue -underline 1
164 $w_amov tag bind prior_commit \
165 <Button-1> \
166 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
167
168 set w_asim $w.file_pane.out.asimple_t
169 text $w_asim \
170 -takefocus 0 \
171 -highlightthickness 0 \
172 -padx 0 -pady 0 \
173 -background white \
174 -foreground black \
175 -borderwidth 0 \
176 -state disabled \
177 -wrap none \
178 -height 40 \
179 -width 4 \
180 -font font_diff
181 $w_asim tag conf author_abbr -justify right
182 $w_asim tag conf curr_commit
183 $w_asim tag conf prior_commit -foreground blue -underline 1
184 $w_asim tag bind prior_commit \
185 <Button-1> \
186 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
187
188 set w_file $w.file_pane.out.file_t
189 text $w_file \
190 -takefocus 0 \
191 -highlightthickness 0 \
192 -padx 0 -pady 0 \
193 -background white \
194 -foreground black \
195 -borderwidth 0 \
196 -state disabled \
197 -wrap none \
198 -height 40 \
199 -width 80 \
200 -xscrollcommand [list $w.file_pane.out.sbx set] \
201 -font font_diff
202
203 set w_columns [list $w_amov $w_asim $w_line $w_file]
204
205 scrollbar $w.file_pane.out.sbx \
206 -orient h \
207 -command [list $w_file xview]
208 scrollbar $w.file_pane.out.sby \
209 -orient v \
210 -command [list scrollbar2many $w_columns yview]
211 eval grid $w_columns $w.file_pane.out.sby -sticky nsew
212 grid conf \
213 $w.file_pane.out.sbx \
214 -column [expr {[llength $w_columns] - 1}] \
215 -sticky we
216 grid columnconfigure \
217 $w.file_pane.out \
218 [expr {[llength $w_columns] - 1}] \
219 -weight 1
220 grid rowconfigure $w.file_pane.out 0 -weight 1
221
222 set w_cviewer $w.file_pane.cm.t
223 text $w_cviewer \
224 -background white \
225 -foreground black \
226 -borderwidth 0 \
227 -state disabled \
228 -wrap none \
229 -height 10 \
230 -width 80 \
231 -xscrollcommand [list $w.file_pane.cm.sbx set] \
232 -yscrollcommand [list $w.file_pane.cm.sby set] \
233 -font font_diff
234 $w_cviewer tag conf still_loading \
235 -font font_uiitalic \
236 -justify center
237 $w_cviewer tag conf header_key \
238 -tabs {3c} \
239 -background $active_color \
240 -font font_uibold
241 $w_cviewer tag conf header_val \
242 -background $active_color \
243 -font font_ui
244 $w_cviewer tag raise sel
245 scrollbar $w.file_pane.cm.sbx \
246 -orient h \
247 -command [list $w_cviewer xview]
248 scrollbar $w.file_pane.cm.sby \
249 -orient v \
250 -command [list $w_cviewer yview]
251 pack $w.file_pane.cm.sby -side right -fill y
252 pack $w.file_pane.cm.sbx -side bottom -fill x
253 pack $w_cviewer -expand 1 -fill both
254
255 set status [::status_bar::new $w.status]
256
257 menu $w.ctxm -tearoff 0
258 $w.ctxm add command \
259 -label [mc "Copy Commit"] \
260 -command [cb _copycommit]
261 $w.ctxm add separator
262 menu $w.ctxm.enc
263 build_encoding_menu $w.ctxm.enc [cb _setencoding]
264 $w.ctxm add cascade \
265 -label [mc "Encoding"] \
266 -menu $w.ctxm.enc
267 $w.ctxm add command \
268 -label [mc "Do Full Copy Detection"] \
269 -command [cb _fullcopyblame]
270 $w.ctxm add separator
271 $w.ctxm add command \
272 -label [mc "Show History Context"] \
273 -command [cb _gitkcommit]
274 $w.ctxm add command \
275 -label [mc "Blame Parent Commit"] \
276 -command [cb _blameparent]
277
278 foreach i $w_columns {
279 for {set g 0} {$g < [llength $group_colors]} {incr g} {
280 $i tag conf color$g -background [lindex $group_colors $g]
281 }
282
283 $i conf -cursor $cursor_ptr
284 $i conf -yscrollcommand [list many2scrollbar \
285 $w_columns yview $w.file_pane.out.sby]
286 bind $i <Button-1> "
287 [cb _hide_tooltip]
288 [cb _click $i @%x,%y]
289 focus $i
290 "
291 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
292 bind $i <Any-Enter> [cb _hide_tooltip]
293 bind $i <Any-Leave> [cb _hide_tooltip]
294 bind_button3 $i "
295 [cb _hide_tooltip]
296 set cursorX %x
297 set cursorY %y
298 set cursorW %W
299 tk_popup $w.ctxm %X %Y
300 "
301 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
302 bind $i <Tab> "[list focus $w_cviewer];break"
303 }
304
305 foreach i [concat $w_columns $w_cviewer] {
306 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
307 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
308 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
309 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
310 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
311 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
312 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
313 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
314 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
315 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
316 }
317
318 bind $w_cviewer <Shift-Tab> "[list focus $w_file];break"
319 bind $w_cviewer <Tab> "[list focus $w_file];break"
320 bind $w_cviewer <Button-1> [list focus $w_cviewer]
321 bind $w_file <Visibility> [list focus $w_file]
322
323 grid configure $w.header -sticky ew
324 grid configure $w.file_pane -sticky nsew
325 grid configure $w.status -sticky ew
326 grid columnconfigure $top 0 -weight 1
327 grid rowconfigure $top 0 -weight 0
328 grid rowconfigure $top 1 -weight 1
329 grid rowconfigure $top 2 -weight 0
330
331 set req_w [winfo reqwidth $top]
332 set req_h [winfo reqheight $top]
333 set scr_w [expr {[winfo screenwidth $top] - 40}]
334 set scr_h [expr {[winfo screenheight $top] - 120}]
335 set opt_w [expr {$font_w * (80 + 5*3 + 3)}]
336 if {$req_w < $opt_w} {set req_w $opt_w}
337 if {$req_w > $scr_w} {set req_w $scr_w}
338 set opt_h [expr {$req_w*4/3}]
339 if {$req_h < $scr_h} {set req_h $scr_h}
340 if {$req_h > $opt_h} {set req_h $opt_h}
341 set g "${req_w}x${req_h}"
342 wm geometry $top $g
343 update
344
345 set old_height [winfo height $w.file_pane]
346 $w.file_pane sash place 0 \
347 [lindex [$w.file_pane sash coord 0] 0] \
348 [expr {int($old_height * 0.80)}]
349 bind $w.file_pane <Configure> \
350 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
351
352 wm protocol $top WM_DELETE_WINDOW "destroy $top"
353 bind $top <Destroy> [cb _kill]
354
355 _load $this $i_jump
356 }
357
358 method _kill {} {
359 if {$current_fd ne {}} {
360 kill_file_process $current_fd
361 catch {close $current_fd}
362 set current_fd {}
363 }
364 }
365
366 method _load {jump} {
367 variable group_colors
368
369 _hide_tooltip $this
370
371 if {$total_lines != 0 || $current_fd ne {}} {
372 _kill $this
373
374 foreach i $w_columns {
375 $i conf -state normal
376 $i delete 0.0 end
377 foreach g [$i tag names] {
378 if {[regexp {^g[0-9a-f]{40}$} $g]} {
379 $i tag delete $g
380 }
381 }
382 $i conf -state disabled
383 }
384
385 $w_cviewer conf -state normal
386 $w_cviewer delete 0.0 end
387 $w_cviewer conf -state disabled
388
389 set highlight_line -1
390 set highlight_column {}
391 set highlight_commit {}
392 set total_lines 0
393 }
394
395 if {$history eq {}} {
396 $w_back conf -state disabled
397 } else {
398 $w_back conf -state normal
399 }
400
401 # Index 0 is always empty. There is never line 0 as
402 # we use only 1 based lines, as that matches both with
403 # git-blame output and with Tk's text widget.
404 #
405 set amov_data [list [list]]
406 set asim_data [list [list]]
407
408 $status show [mc "Reading %s..." "$commit:[escape_path $path]"]
409 $w_path conf -text [escape_path $path]
410 if {$commit eq {}} {
411 set fd [open $path r]
412 fconfigure $fd -eofchar {}
413 } else {
414 set fd [git_read cat-file blob "$commit:$path"]
415 }
416 fconfigure $fd \
417 -blocking 0 \
418 -translation lf \
419 -encoding [get_path_encoding $path]
420 fileevent $fd readable [cb _read_file $fd $jump]
421 set current_fd $fd
422 }
423
424 method _history_menu {} {
425 set m $w.backmenu
426 if {[winfo exists $m]} {
427 $m delete 0 end
428 } else {
429 menu $m -tearoff 0
430 }
431
432 for {set i [expr {[llength $history] - 1}]
433 } {$i >= 0} {incr i -1} {
434 set e [lindex $history $i]
435 set c [lindex $e 0]
436 set f [lindex $e 1]
437
438 if {[regexp {^[0-9a-f]{40}$} $c]} {
439 set t [string range $c 0 8]...
440 } elseif {$c eq {}} {
441 set t {Working Directory}
442 } else {
443 set t $c
444 }
445 if {![catch {set summary $header($c,summary)}]} {
446 append t " $summary"
447 if {[string length $t] > 70} {
448 set t [string range $t 0 66]...
449 }
450 }
451
452 $m add command -label $t -command [cb _goback $i]
453 }
454 set X [winfo rootx $w_back]
455 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
456 tk_popup $m $X $Y
457 }
458
459 method _goback {i} {
460 set dat [lindex $history $i]
461 set history [lrange $history 0 [expr {$i - 1}]]
462 set commit [lindex $dat 0]
463 set path [lindex $dat 1]
464 _load $this [lrange $dat 2 5]
465 }
466
467 method _read_file {fd jump} {
468 if {$fd ne $current_fd} {
469 catch {close $fd}
470 return
471 }
472
473 foreach i $w_columns {$i conf -state normal}
474 while {[gets $fd line] >= 0} {
475 regsub "\r\$" $line {} line
476 incr total_lines
477 lappend amov_data {}
478 lappend asim_data {}
479
480 if {$total_lines > 1} {
481 foreach i $w_columns {$i insert end "\n"}
482 }
483
484 $w_line insert end "$total_lines" linenumber
485 $w_file insert end "$line"
486 }
487
488 set ln_wc [expr {[string length $total_lines] + 2}]
489 if {[$w_line cget -width] < $ln_wc} {
490 $w_line conf -width $ln_wc
491 }
492
493 foreach i $w_columns {$i conf -state disabled}
494
495 if {[eof $fd]} {
496 close $fd
497
498 # If we don't force Tk to update the widgets *right now*
499 # none of our jump commands will cause a change in the UI.
500 #
501 update
502
503 if {[llength $jump] == 1} {
504 set highlight_line [lindex $jump 0]
505 $w_file see "$highlight_line.0"
506 } elseif {[llength $jump] == 4} {
507 set highlight_column [lindex $jump 0]
508 set highlight_line [lindex $jump 1]
509 $w_file xview moveto [lindex $jump 2]
510 $w_file yview moveto [lindex $jump 3]
511 }
512
513 _exec_blame $this $w_asim @asim_data \
514 [list] \
515 [mc "Loading copy/move tracking annotations..."]
516 }
517 } ifdeleted { catch {close $fd} }
518
519 method _exec_blame {cur_w cur_d options cur_s} {
520 lappend options --incremental
521 if {$commit eq {}} {
522 lappend options --contents $path
523 } else {
524 lappend options $commit
525 }
526 lappend options -- $path
527 set fd [eval git_read --nice blame $options]
528 fconfigure $fd -blocking 0 -translation lf -encoding utf-8
529 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
530 set current_fd $fd
531 set blame_lines 0
532
533 $status start \
534 $cur_s \
535 [mc "lines annotated"]
536 }
537
538 method _read_blame {fd cur_w cur_d} {
539 upvar #0 $cur_d line_data
540 variable group_colors
541
542 if {$fd ne $current_fd} {
543 catch {close $fd}
544 return
545 }
546
547 $cur_w conf -state normal
548 while {[gets $fd line] >= 0} {
549 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
550 cmit original_line final_line line_count]} {
551 set r_commit $cmit
552 set r_orig_line $original_line
553 set r_final_line $final_line
554 set r_line_count $line_count
555 } elseif {[string match {filename *} $line]} {
556 set file [string range $line 9 end]
557 set n $r_line_count
558 set lno $r_final_line
559 set oln $r_orig_line
560 set cmit $r_commit
561
562 if {[regexp {^0{40}$} $cmit]} {
563 set commit_abbr work
564 set commit_type curr_commit
565 } elseif {$cmit eq $commit} {
566 set commit_abbr this
567 set commit_type curr_commit
568 } else {
569 set commit_type prior_commit
570 set commit_abbr [string range $cmit 0 3]
571 }
572
573 set author_abbr {}
574 set a_name {}
575 catch {set a_name $header($cmit,author)}
576 while {$a_name ne {}} {
577 if {$author_abbr ne {}
578 && [string index $a_name 0] eq {'}} {
579 regsub {^'[^']+'\s+} $a_name {} a_name
580 }
581 if {![regexp {^([[:upper:]])} $a_name _a]} break
582 append author_abbr $_a
583 unset _a
584 if {![regsub \
585 {^[[:upper:]][^\s]*\s+} \
586 $a_name {} a_name ]} break
587 }
588 if {$author_abbr eq {}} {
589 set author_abbr { |}
590 } else {
591 set author_abbr [string range $author_abbr 0 3]
592 }
593 unset a_name
594
595 set first_lno $lno
596 while {
597 $first_lno > 1
598 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
599 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
600 } {
601 incr first_lno -1
602 }
603
604 set color {}
605 if {$first_lno < $lno} {
606 foreach g [$w_file tag names $first_lno.0] {
607 if {[regexp {^color[0-9]+$} $g]} {
608 set color $g
609 break
610 }
611 }
612 } else {
613 set i [lsort [concat \
614 [$w_file tag names "[expr {$first_lno - 1}].0"] \
615 [$w_file tag names "[expr {$lno + $n}].0"] \
616 ]]
617 for {set g 0} {$g < [llength $group_colors]} {incr g} {
618 if {[lsearch -sorted -exact $i color$g] == -1} {
619 set color color$g
620 break
621 }
622 }
623 }
624 if {$color eq {}} {
625 set color color0
626 }
627
628 while {$n > 0} {
629 set lno_e "$lno.0 lineend + 1c"
630 if {[lindex $line_data $lno] ne {}} {
631 set g [lindex $line_data $lno 0]
632 foreach i $w_columns {
633 $i tag remove g$g $lno.0 $lno_e
634 }
635 }
636 lset line_data $lno [list $cmit $file $oln]
637
638 $cur_w delete $lno.0 "$lno.0 lineend"
639 if {$lno == $first_lno} {
640 $cur_w insert $lno.0 $commit_abbr $commit_type
641 } elseif {$lno == [expr {$first_lno + 1}]} {
642 $cur_w insert $lno.0 $author_abbr author_abbr
643 } else {
644 $cur_w insert $lno.0 { |}
645 }
646
647 foreach i $w_columns {
648 if {$cur_w eq $w_amov} {
649 for {set g 0} \
650 {$g < [llength $group_colors]} \
651 {incr g} {
652 $i tag remove color$g $lno.0 $lno_e
653 }
654 $i tag add $color $lno.0 $lno_e
655 }
656 $i tag add g$cmit $lno.0 $lno_e
657 }
658
659 if {$highlight_column eq $cur_w} {
660 if {$highlight_line == -1
661 && [lindex [$w_file yview] 0] == 0} {
662 $w_file see $lno.0
663 set highlight_line $lno
664 }
665 if {$highlight_line == $lno} {
666 _showcommit $this $cur_w $lno
667 }
668 }
669
670 incr n -1
671 incr lno
672 incr oln
673 incr blame_lines
674 }
675
676 while {
677 $cmit eq [lindex $line_data $lno 0]
678 && $file eq [lindex $line_data $lno 1]
679 } {
680 $cur_w delete $lno.0 "$lno.0 lineend"
681
682 if {$lno == $first_lno} {
683 $cur_w insert $lno.0 $commit_abbr $commit_type
684 } elseif {$lno == [expr {$first_lno + 1}]} {
685 $cur_w insert $lno.0 $author_abbr author_abbr
686 } else {
687 $cur_w insert $lno.0 { |}
688 }
689
690 if {$cur_w eq $w_amov} {
691 foreach i $w_columns {
692 for {set g 0} \
693 {$g < [llength $group_colors]} \
694 {incr g} {
695 $i tag remove color$g $lno.0 $lno_e
696 }
697 $i tag add $color $lno.0 $lno_e
698 }
699 }
700
701 incr lno
702 }
703
704 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
705 set header($r_commit,$key) $data
706 }
707 }
708 $cur_w conf -state disabled
709
710 if {[eof $fd]} {
711 close $fd
712 if {$cur_w eq $w_asim} {
713 # Switches for original location detection
714 set threshold [get_config gui.copyblamethreshold]
715 set original_options [list "-C$threshold"]
716
717 if {![is_config_true gui.fastcopyblame]} {
718 # thorough copy search; insert before the threshold
719 set original_options [linsert $original_options 0 -C]
720 }
721 if {[git-version >= 1.5.3]} {
722 lappend original_options -w ; # ignore indentation changes
723 }
724
725 _exec_blame $this $w_amov @amov_data \
726 $original_options \
727 [mc "Loading original location annotations..."]
728 } else {
729 set current_fd {}
730 $status stop [mc "Annotation complete."]
731 }
732 } else {
733 $status update $blame_lines $total_lines
734 }
735 } ifdeleted { catch {close $fd} }
736
737 method _find_commit_bound {data_list start_idx delta} {
738 upvar #0 $data_list line_data
739 set pos $start_idx
740 set limit [expr {[llength $line_data] - 1}]
741 set base_commit [lindex $line_data $pos 0]
742
743 while {$pos > 0 && $pos < $limit} {
744 set new_pos [expr {$pos + $delta}]
745 if {[lindex $line_data $new_pos 0] ne $base_commit} {
746 return $pos
747 }
748
749 set pos $new_pos
750 }
751
752 return $pos
753 }
754
755 method _fullcopyblame {} {
756 if {$current_fd ne {}} {
757 tk_messageBox \
758 -icon error \
759 -type ok \
760 -title [mc "Busy"] \
761 -message [mc "Annotation process is already running."]
762
763 return
764 }
765
766 # Switches for original location detection
767 set threshold [get_config gui.copyblamethreshold]
768 set original_options [list -C -C "-C$threshold"]
769
770 if {[git-version >= 1.5.3]} {
771 lappend original_options -w ; # ignore indentation changes
772 }
773
774 # Find the line range
775 set pos @$::cursorX,$::cursorY
776 set lno [lindex [split [$::cursorW index $pos] .] 0]
777 set min_amov_lno [_find_commit_bound $this @amov_data $lno -1]
778 set max_amov_lno [_find_commit_bound $this @amov_data $lno 1]
779 set min_asim_lno [_find_commit_bound $this @asim_data $lno -1]
780 set max_asim_lno [_find_commit_bound $this @asim_data $lno 1]
781
782 if {$min_asim_lno < $min_amov_lno} {
783 set min_amov_lno $min_asim_lno
784 }
785
786 if {$max_asim_lno > $max_amov_lno} {
787 set max_amov_lno $max_asim_lno
788 }
789
790 lappend original_options -L "$min_amov_lno,$max_amov_lno"
791
792 # Clear lines
793 for {set i $min_amov_lno} {$i <= $max_amov_lno} {incr i} {
794 lset amov_data $i [list ]
795 }
796
797 # Start the back-end process
798 _exec_blame $this $w_amov @amov_data \
799 $original_options \
800 [mc "Running thorough copy detection..."]
801 }
802
803 method _click {cur_w pos} {
804 set lno [lindex [split [$cur_w index $pos] .] 0]
805 _showcommit $this $cur_w $lno
806 }
807
808 method _setencoding {enc} {
809 force_path_encoding $path $enc
810 _load $this [list \
811 $highlight_column \
812 $highlight_line \
813 [lindex [$w_file xview] 0] \
814 [lindex [$w_file yview] 0] \
815 ]
816 }
817
818 method _load_commit {cur_w cur_d pos} {
819 upvar #0 $cur_d line_data
820 set lno [lindex [split [$cur_w index $pos] .] 0]
821 set dat [lindex $line_data $lno]
822 if {$dat ne {}} {
823 _load_new_commit $this \
824 [lindex $dat 0] \
825 [lindex $dat 1] \
826 [list [lindex $dat 2]]
827 }
828 }
829
830 method _load_new_commit {new_commit new_path jump} {
831 lappend history [list \
832 $commit $path \
833 $highlight_column \
834 $highlight_line \
835 [lindex [$w_file xview] 0] \
836 [lindex [$w_file yview] 0] \
837 ]
838
839 set commit $new_commit
840 set path $new_path
841 _load $this $jump
842 }
843
844 method _showcommit {cur_w lno} {
845 global repo_config
846 variable active_color
847
848 if {$highlight_commit ne {}} {
849 foreach i $w_columns {
850 $i tag conf g$highlight_commit -background {}
851 $i tag lower g$highlight_commit
852 }
853 }
854
855 if {$cur_w eq $w_asim} {
856 set dat [lindex $asim_data $lno]
857 set highlight_column $w_asim
858 } else {
859 set dat [lindex $amov_data $lno]
860 set highlight_column $w_amov
861 }
862
863 $w_cviewer conf -state normal
864 $w_cviewer delete 0.0 end
865
866 if {$dat eq {}} {
867 set cmit {}
868 $w_cviewer insert end [mc "Loading annotation..."] still_loading
869 } else {
870 set cmit [lindex $dat 0]
871 set file [lindex $dat 1]
872
873 foreach i $w_columns {
874 $i tag conf g$cmit -background $active_color
875 $i tag raise g$cmit
876 }
877
878 set author_name {}
879 set author_email {}
880 set author_time {}
881 catch {set author_name $header($cmit,author)}
882 catch {set author_email $header($cmit,author-mail)}
883 catch {set author_time [format_date $header($cmit,author-time)]}
884
885 set committer_name {}
886 set committer_email {}
887 set committer_time {}
888 catch {set committer_name $header($cmit,committer)}
889 catch {set committer_email $header($cmit,committer-mail)}
890 catch {set committer_time [format_date $header($cmit,committer-time)]}
891
892 if {[catch {set msg $header($cmit,message)}]} {
893 set msg {}
894 catch {
895 set fd [git_read cat-file commit $cmit]
896 fconfigure $fd -encoding binary -translation lf
897 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
898 set enc utf-8
899 }
900 while {[gets $fd line] > 0} {
901 if {[string match {encoding *} $line]} {
902 set enc [string tolower [string range $line 9 end]]
903 }
904 }
905 set msg [read $fd]
906 close $fd
907
908 set enc [tcl_encoding $enc]
909 if {$enc ne {}} {
910 set msg [encoding convertfrom $enc $msg]
911 }
912 set msg [string trim $msg]
913 }
914 set header($cmit,message) $msg
915 }
916
917 $w_cviewer insert end "commit $cmit\n" header_key
918 $w_cviewer insert end [strcat [mc "Author:"] "\t"] header_key
919 $w_cviewer insert end "$author_name $author_email" header_val
920 $w_cviewer insert end " $author_time\n" header_val
921
922 $w_cviewer insert end [strcat [mc "Committer:"] "\t"] header_key
923 $w_cviewer insert end "$committer_name $committer_email" header_val
924 $w_cviewer insert end " $committer_time\n" header_val
925
926 if {$file ne $path} {
927 $w_cviewer insert end [strcat [mc "Original File:"] "\t"] header_key
928 $w_cviewer insert end "[escape_path $file]\n" header_val
929 }
930
931 $w_cviewer insert end "\n$msg"
932 }
933 $w_cviewer conf -state disabled
934
935 set highlight_line $lno
936 set highlight_commit $cmit
937
938 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
939 _hide_tooltip $this
940 }
941 }
942
943 method _get_click_amov_info {} {
944 set pos @$::cursorX,$::cursorY
945 set lno [lindex [split [$::cursorW index $pos] .] 0]
946 return [lindex $amov_data $lno]
947 }
948
949 method _copycommit {} {
950 set dat [_get_click_amov_info $this]
951 if {$dat ne {}} {
952 clipboard clear
953 clipboard append \
954 -format STRING \
955 -type STRING \
956 -- [lindex $dat 0]
957 }
958 }
959
960 method _format_offset_date {base offset} {
961 set exval [expr {$base + $offset*24*60*60}]
962 return [clock format $exval -format {%Y-%m-%d}]
963 }
964
965 method _gitkcommit {} {
966 global nullid
967
968 set dat [_get_click_amov_info $this]
969 if {$dat ne {}} {
970 set cmit [lindex $dat 0]
971
972 # If the line belongs to the working copy, use HEAD instead
973 if {$cmit eq $nullid} {
974 if {[catch {set cmit [git rev-parse --verify HEAD]} err]} {
975 error_popup [strcat [mc "Cannot find HEAD commit:"] "\n\n$err"]
976 return;
977 }
978 }
979
980 set radius [get_config gui.blamehistoryctx]
981 set cmdline [list --select-commit=$cmit]
982
983 if {$radius > 0} {
984 set author_time {}
985 set committer_time {}
986
987 catch {set author_time $header($cmit,author-time)}
988 catch {set committer_time $header($cmit,committer-time)}
989
990 if {$committer_time eq {}} {
991 set committer_time $author_time
992 }
993
994 set after_time [_format_offset_date $this $committer_time [expr {-$radius}]]
995 set before_time [_format_offset_date $this $committer_time $radius]
996
997 lappend cmdline --after=$after_time --before=$before_time
998 }
999
1000 lappend cmdline $cmit
1001
1002 set base_rev "HEAD"
1003 if {$commit ne {}} {
1004 set base_rev $commit
1005 }
1006
1007 if {$base_rev ne $cmit} {
1008 lappend cmdline $base_rev
1009 }
1010
1011 do_gitk $cmdline
1012 }
1013 }
1014
1015 method _blameparent {} {
1016 global nullid
1017
1018 set dat [_get_click_amov_info $this]
1019 if {$dat ne {}} {
1020 set cmit [lindex $dat 0]
1021 set new_path [lindex $dat 1]
1022
1023 # Allow using Blame Parent on lines modified in the working copy
1024 if {$cmit eq $nullid} {
1025 set parent_ref "HEAD"
1026 } else {
1027 set parent_ref "$cmit^"
1028 }
1029 if {[catch {set cparent [git rev-parse --verify $parent_ref]} err]} {
1030 error_popup [strcat [mc "Cannot find parent commit:"] "\n\n$err"]
1031 return;
1032 }
1033
1034 _kill $this
1035
1036 # Generate a diff between the commit and its parent,
1037 # and use the hunks to update the line number.
1038 # Request zero context to simplify calculations.
1039 if {$cmit eq $nullid} {
1040 set diffcmd [list diff-index --unified=0 $cparent -- $new_path]
1041 } else {
1042 set diffcmd [list diff-tree --unified=0 $cparent $cmit -- $new_path]
1043 }
1044 if {[catch {set fd [eval git_read $diffcmd]} err]} {
1045 $status stop [mc "Unable to display parent"]
1046 error_popup [strcat [mc "Error loading diff:"] "\n\n$err"]
1047 return
1048 }
1049
1050 set r_orig_line [lindex $dat 2]
1051
1052 fconfigure $fd \
1053 -blocking 0 \
1054 -encoding binary \
1055 -translation binary
1056 fileevent $fd readable [cb _read_diff_load_commit \
1057 $fd $cparent $new_path $r_orig_line]
1058 set current_fd $fd
1059 }
1060 }
1061
1062 method _read_diff_load_commit {fd cparent new_path tline} {
1063 if {$fd ne $current_fd} {
1064 catch {close $fd}
1065 return
1066 }
1067
1068 while {[gets $fd line] >= 0} {
1069 if {[regexp {^@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))? @@} $line line \
1070 old_line osz old_size new_line nsz new_size]} {
1071
1072 if {$osz eq {}} { set old_size 1 }
1073 if {$nsz eq {}} { set new_size 1 }
1074
1075 if {$new_line <= $tline} {
1076 if {[expr {$new_line + $new_size}] > $tline} {
1077 # Target line within the hunk
1078 set line_shift [expr {
1079 ($new_size-$old_size)*($tline-$new_line)/$new_size
1080 }]
1081 } else {
1082 set line_shift [expr {$new_size-$old_size}]
1083 }
1084
1085 set r_orig_line [expr {$r_orig_line - $line_shift}]
1086 }
1087 }
1088 }
1089
1090 if {[eof $fd]} {
1091 close $fd;
1092 set current_fd {}
1093
1094 _load_new_commit $this \
1095 $cparent \
1096 $new_path \
1097 [list $r_orig_line]
1098 }
1099 } ifdeleted { catch {close $fd} }
1100
1101 method _show_tooltip {cur_w pos} {
1102 if {$tooltip_wm ne {}} {
1103 _open_tooltip $this $cur_w
1104 } elseif {$tooltip_timer eq {}} {
1105 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
1106 }
1107 }
1108
1109 method _open_tooltip {cur_w} {
1110 set tooltip_timer {}
1111 set pos_x [winfo pointerx $cur_w]
1112 set pos_y [winfo pointery $cur_w]
1113 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
1114 _hide_tooltip $this
1115 return
1116 }
1117
1118 if {$tooltip_wm ne "$cur_w.tooltip"} {
1119 _hide_tooltip $this
1120
1121 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
1122 wm overrideredirect $tooltip_wm 1
1123 wm transient $tooltip_wm [winfo toplevel $cur_w]
1124 set tooltip_t $tooltip_wm.label
1125 text $tooltip_t \
1126 -takefocus 0 \
1127 -highlightthickness 0 \
1128 -relief flat \
1129 -borderwidth 0 \
1130 -wrap none \
1131 -background lightyellow \
1132 -foreground black
1133 $tooltip_t tag conf section_header -font font_uibold
1134 pack $tooltip_t
1135 } else {
1136 $tooltip_t conf -state normal
1137 $tooltip_t delete 0.0 end
1138 }
1139
1140 set pos @[join [list \
1141 [expr {$pos_x - [winfo rootx $cur_w]}] \
1142 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
1143 set lno [lindex [split [$cur_w index $pos] .] 0]
1144 if {$cur_w eq $w_amov} {
1145 set dat [lindex $amov_data $lno]
1146 set org {}
1147 } else {
1148 set dat [lindex $asim_data $lno]
1149 set org [lindex $amov_data $lno]
1150 }
1151
1152 if {$dat eq {}} {
1153 _hide_tooltip $this
1154 return
1155 }
1156
1157 set cmit [lindex $dat 0]
1158 set tooltip_commit [list $cmit]
1159
1160 set author_name {}
1161 set summary {}
1162 set author_time {}
1163 catch {set author_name $header($cmit,author)}
1164 catch {set summary $header($cmit,summary)}
1165 catch {set author_time [format_date $header($cmit,author-time)]}
1166
1167 $tooltip_t insert end "commit $cmit\n"
1168 $tooltip_t insert end "$author_name $author_time\n"
1169 $tooltip_t insert end "$summary"
1170
1171 if {$org ne {} && [lindex $org 0] ne $cmit} {
1172 set save [$tooltip_t get 0.0 end]
1173 $tooltip_t delete 0.0 end
1174
1175 set cmit [lindex $org 0]
1176 set file [lindex $org 1]
1177 lappend tooltip_commit $cmit
1178
1179 set author_name {}
1180 set summary {}
1181 set author_time {}
1182 catch {set author_name $header($cmit,author)}
1183 catch {set summary $header($cmit,summary)}
1184 catch {set author_time [format_date $header($cmit,author-time)]}
1185
1186 $tooltip_t insert end [strcat [mc "Originally By:"] "\n"] section_header
1187 $tooltip_t insert end "commit $cmit\n"
1188 $tooltip_t insert end "$author_name $author_time\n"
1189 $tooltip_t insert end "$summary\n"
1190
1191 if {$file ne $path} {
1192 $tooltip_t insert end [strcat [mc "In File:"] " "] section_header
1193 $tooltip_t insert end "$file\n"
1194 }
1195
1196 $tooltip_t insert end "\n"
1197 $tooltip_t insert end [strcat [mc "Copied Or Moved Here By:"] "\n"] section_header
1198 $tooltip_t insert end $save
1199 }
1200
1201 $tooltip_t conf -state disabled
1202 _position_tooltip $this
1203 }
1204
1205 method _position_tooltip {} {
1206 set max_h [lindex [split [$tooltip_t index end] .] 0]
1207 set max_w 0
1208 for {set i 1} {$i <= $max_h} {incr i} {
1209 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
1210 if {$c > $max_w} {set max_w $c}
1211 }
1212 $tooltip_t conf -width $max_w -height $max_h
1213
1214 set req_w [winfo reqwidth $tooltip_t]
1215 set req_h [winfo reqheight $tooltip_t]
1216 set pos_x [expr {[winfo pointerx .] + 5}]
1217 set pos_y [expr {[winfo pointery .] + 10}]
1218
1219 set g "${req_w}x${req_h}"
1220 if {$pos_x >= 0} {append g +}
1221 append g $pos_x
1222 if {$pos_y >= 0} {append g +}
1223 append g $pos_y
1224
1225 wm geometry $tooltip_wm $g
1226 raise $tooltip_wm
1227 }
1228
1229 method _hide_tooltip {} {
1230 if {$tooltip_wm ne {}} {
1231 destroy $tooltip_wm
1232 set tooltip_wm {}
1233 set tooltip_commit {}
1234 }
1235 if {$tooltip_timer ne {}} {
1236 after cancel $tooltip_timer
1237 set tooltip_timer {}
1238 }
1239 }
1240
1241 method _resize {new_height} {
1242 set diff [expr {$new_height - $old_height}]
1243 if {$diff == 0} return
1244
1245 set my [expr {[winfo height $w.file_pane] - 25}]
1246 set o [$w.file_pane sash coord 0]
1247 set ox [lindex $o 0]
1248 set oy [expr {[lindex $o 1] + $diff}]
1249 if {$oy < 0} {set oy 0}
1250 if {$oy > $my} {set oy $my}
1251 $w.file_pane sash place 0 $ox $oy
1252
1253 set old_height $new_height
1254 }
1255
1256 }
Dscho's miscellaneous git branches