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Merge remote-tracking branch 'philoakley/dup-gui'
[git-gui.git] / lib / blame.tcl
bloba1aeb8b96e2df47c776bd1bb373fac6c5189a3ae
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 # Persistent 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 finder ; # find mini-dialog frame
25 field gotoline ; # line goto mini-dialog frame
26 field status ; # status mega-widget instance
27 field old_height ; # last known height of $w.file_pane
28
29
30 # Tk UI colors
31 #
32 variable active_color #c0edc5
33 variable group_colors {
34 #d6d6d6
35 #e1e1e1
36 #ececec
37 }
38
39 # Current blame data; cleared/reset on each load
40 #
41 field commit ; # input commit to blame
42 field path ; # input filename to view in $commit
43
44 field current_fd {} ; # background process running
45 field highlight_line -1 ; # current line selected
46 field highlight_column {} ; # current commit column selected
47 field highlight_commit {} ; # sha1 of commit selected
48
49 field total_lines 0 ; # total length of file
50 field blame_lines 0 ; # number of lines computed
51 field amov_data ; # list of {commit origfile origline}
52 field asim_data ; # list of {commit origfile origline}
53
54 field r_commit ; # commit currently being parsed
55 field r_orig_line ; # original line number
56 field r_final_line ; # final line number
57 field r_line_count ; # lines in this region
58
59 field tooltip_wm {} ; # Current tooltip toplevel, if open
60 field tooltip_t {} ; # Text widget in $tooltip_wm
61 field tooltip_timer {} ; # Current timer event for our tooltip
62 field tooltip_commit {} ; # Commit(s) in tooltip
63
64 constructor new {i_commit i_path i_jump} {
65 global cursor_ptr M1B M1T have_tk85 use_ttk NS
66 variable active_color
67 variable group_colors
68
69 set commit $i_commit
70 set path $i_path
71
72 make_toplevel top w
73 wm title $top [mc "%s (%s): File Viewer" [appname] [reponame]]
74
75 set font_w [font measure font_diff "0"]
76
77 gold_frame $w.header
78 tlabel $w.header.commit_l \
79 -text [mc "Commit:"] \
80 -background gold \
81 -foreground black \
82 -anchor w \
83 -justify left
84 set w_back $w.header.commit_b
85 tlabel $w_back \
86 -image ::blame::img_back_arrow \
87 -borderwidth 0 \
88 -relief flat \
89 -state disabled \
90 -background gold \
91 -foreground black \
92 -activebackground gold
93 bind $w_back <Button-1> "
94 if {\[$w_back cget -state\] eq {normal}} {
95 [cb _history_menu]
96 }
97 "
98 tlabel $w.header.commit \
99 -textvariable @commit \
100 -background gold \
101 -foreground black \
102 -anchor w \
103 -justify left
104 tlabel $w.header.path_l \
105 -text [mc "File:"] \
106 -background gold \
107 -foreground black \
108 -anchor w \
109 -justify left
110 set w_path $w.header.path
111 tlabel $w_path \
112 -background gold \
113 -foreground black \
114 -anchor w \
115 -justify left
116 pack $w.header.commit_l -side left
117 pack $w_back -side left
118 pack $w.header.commit -side left
119 pack $w_path -fill x -side right
120 pack $w.header.path_l -side right
121
122 panedwindow $w.file_pane -orient vertical -borderwidth 0 -sashwidth 3
123 frame $w.file_pane.out -relief flat -borderwidth 1
124 frame $w.file_pane.cm -relief sunken -borderwidth 1
125 $w.file_pane add $w.file_pane.out \
126 -sticky nsew \
127 -minsize 100 \
128 -height 100 \
129 -width 100
130 $w.file_pane add $w.file_pane.cm \
131 -sticky nsew \
132 -minsize 25 \
133 -height 25 \
134 -width 100
135
136 set w_line $w.file_pane.out.linenumber_t
137 text $w_line \
138 -takefocus 0 \
139 -highlightthickness 0 \
140 -padx 0 -pady 0 \
141 -background white \
142 -foreground black \
143 -borderwidth 0 \
144 -state disabled \
145 -wrap none \
146 -height 40 \
147 -width 6 \
148 -font font_diff
149 $w_line tag conf linenumber -justify right -rmargin 5
150
151 set w_amov $w.file_pane.out.amove_t
152 text $w_amov \
153 -takefocus 0 \
154 -highlightthickness 0 \
155 -padx 0 -pady 0 \
156 -background white \
157 -foreground black \
158 -borderwidth 0 \
159 -state disabled \
160 -wrap none \
161 -height 40 \
162 -width 5 \
163 -font font_diff
164 $w_amov tag conf author_abbr -justify right -rmargin 5
165 $w_amov tag conf curr_commit
166 $w_amov tag conf prior_commit -foreground blue -underline 1
167 $w_amov tag bind prior_commit \
168 <Button-1> \
169 "[cb _load_commit $w_amov @amov_data @%x,%y];break"
170
171 set w_asim $w.file_pane.out.asimple_t
172 text $w_asim \
173 -takefocus 0 \
174 -highlightthickness 0 \
175 -padx 0 -pady 0 \
176 -background white \
177 -foreground black \
178 -borderwidth 0 \
179 -state disabled \
180 -wrap none \
181 -height 40 \
182 -width 4 \
183 -font font_diff
184 $w_asim tag conf author_abbr -justify right
185 $w_asim tag conf curr_commit
186 $w_asim tag conf prior_commit -foreground blue -underline 1
187 $w_asim tag bind prior_commit \
188 <Button-1> \
189 "[cb _load_commit $w_asim @asim_data @%x,%y];break"
190
191 set w_file $w.file_pane.out.file_t
192 text $w_file \
193 -takefocus 0 \
194 -highlightthickness 0 \
195 -padx 0 -pady 0 \
196 -background white \
197 -foreground black \
198 -borderwidth 0 \
199 -state disabled \
200 -wrap none \
201 -height 40 \
202 -width 80 \
203 -xscrollcommand [list $w.file_pane.out.sbx set] \
204 -font font_diff
205 if {$have_tk85} {
206 $w_file configure -inactiveselectbackground darkblue
207 }
208 $w_file tag conf found \
209 -background yellow
210
211 set w_columns [list $w_amov $w_asim $w_line $w_file]
212
213 ${NS}::scrollbar $w.file_pane.out.sbx \
214 -orient h \
215 -command [list $w_file xview]
216 ${NS}::scrollbar $w.file_pane.out.sby \
217 -orient v \
218 -command [list scrollbar2many $w_columns yview]
219 eval grid $w_columns $w.file_pane.out.sby -sticky nsew
220 grid conf \
221 $w.file_pane.out.sbx \
222 -column 0 \
223 -columnspan [expr {[llength $w_columns] + 1}] \
224 -sticky we
225 grid columnconfigure \
226 $w.file_pane.out \
227 [expr {[llength $w_columns] - 1}] \
228 -weight 1
229 grid rowconfigure $w.file_pane.out 0 -weight 1
230
231 set finder [::searchbar::new \
232 $w.file_pane.out.ff $w_file \
233 -column 0 \
234 -columnspan [expr {[llength $w_columns] + 1}] \
235 ]
236
237 set gotoline [::linebar::new \
238 $w.file_pane.out.lf $w_file \
239 -column 0 \
240 -columnspan [expr {[llength $w_columns] + 1}] \
241 ]
242
243 set w_cviewer $w.file_pane.cm.t
244 text $w_cviewer \
245 -background white \
246 -foreground black \
247 -borderwidth 0 \
248 -state disabled \
249 -wrap none \
250 -height 10 \
251 -width 80 \
252 -xscrollcommand [list $w.file_pane.cm.sbx set] \
253 -yscrollcommand [list $w.file_pane.cm.sby set] \
254 -font font_diff
255 $w_cviewer tag conf still_loading \
256 -font font_uiitalic \
257 -justify center
258 $w_cviewer tag conf header_key \
259 -tabs {3c} \
260 -background $active_color \
261 -font font_uibold
262 $w_cviewer tag conf header_val \
263 -background $active_color \
264 -font font_ui
265 $w_cviewer tag raise sel
266 ${NS}::scrollbar $w.file_pane.cm.sbx \
267 -orient h \
268 -command [list $w_cviewer xview]
269 ${NS}::scrollbar $w.file_pane.cm.sby \
270 -orient v \
271 -command [list $w_cviewer yview]
272 pack $w.file_pane.cm.sby -side right -fill y
273 pack $w.file_pane.cm.sbx -side bottom -fill x
274 pack $w_cviewer -expand 1 -fill both
275
276 set status [::status_bar::new $w.status]
277
278 menu $w.ctxm -tearoff 0
279 $w.ctxm add command \
280 -label [mc "Copy Commit"] \
281 -command [cb _copycommit]
282 $w.ctxm add separator
283 $w.ctxm add command \
284 -label [mc "Find Text..."] \
285 -accelerator F7 \
286 -command [cb _show_finder]
287 $w.ctxm add command \
288 -label [mc "Goto Line..."] \
289 -accelerator "Ctrl-G" \
290 -command [cb _show_linebar]
291 menu $w.ctxm.enc
292 build_encoding_menu $w.ctxm.enc [cb _setencoding]
293 $w.ctxm add cascade \
294 -label [mc "Encoding"] \
295 -menu $w.ctxm.enc
296 $w.ctxm add command \
297 -label [mc "Do Full Copy Detection"] \
298 -command [cb _fullcopyblame]
299 $w.ctxm add separator
300 $w.ctxm add command \
301 -label [mc "Show History Context"] \
302 -command [cb _gitkcommit]
303 $w.ctxm add command \
304 -label [mc "Blame Parent Commit"] \
305 -command [cb _blameparent]
306
307 foreach i $w_columns {
308 for {set g 0} {$g < [llength $group_colors]} {incr g} {
309 $i tag conf color$g -background [lindex $group_colors $g]
310 }
311
312 if {$i eq $w_file} {
313 $w_file tag raise found
314 }
315 $i tag raise sel
316
317 $i conf -cursor $cursor_ptr
318 $i conf -yscrollcommand \
319 "[list ::searchbar::scrolled $finder]
320 [list many2scrollbar $w_columns yview $w.file_pane.out.sby]"
321 bind $i <Button-1> "
322 [cb _hide_tooltip]
323 [cb _click $i @%x,%y]
324 focus $i
325 "
326 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
327 bind $i <Any-Enter> [cb _hide_tooltip]
328 bind $i <Any-Leave> [cb _hide_tooltip]
329 bind_button3 $i "
330 [cb _hide_tooltip]
331 set cursorX %x
332 set cursorY %y
333 set cursorW %W
334 tk_popup $w.ctxm %X %Y
335 "
336 bind $i <Shift-Tab> "[list focus $w_cviewer];break"
337 bind $i <Tab> "[cb _focus_search $w_cviewer];break"
338 }
339
340 foreach i [concat $w_columns $w_cviewer] {
341 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
342 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
343 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
344 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
345 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
346 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
347 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
348 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
349 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
350 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
351 }
352
353 bind $w_cviewer <Shift-Tab> "[cb _focus_search $w_file];break"
354 bind $w_cviewer <Tab> "[list focus $w_file];break"
355 bind $w_cviewer <Button-1> [list focus $w_cviewer]
356 bind $w_file <Visibility> [cb _focus_search $w_file]
357 bind $top <F7> [cb _show_finder]
358 bind $top <Key-slash> [cb _show_finder]
359 bind $top <Control-Key-s> [cb _show_finder]
360 bind $top <Escape> [list searchbar::hide $finder]
361 bind $top <F3> [list searchbar::find_next $finder]
362 bind $top <Shift-F3> [list searchbar::find_prev $finder]
363 bind $top <Control-Key-g> [cb _show_linebar]
364 catch { bind $top <Shift-Key-XF86_Switch_VT_3> [list searchbar::find_prev $finder] }
365
366 grid configure $w.header -sticky ew
367 grid configure $w.file_pane -sticky nsew
368 grid configure $w.status -sticky ew
369 grid columnconfigure $top 0 -weight 1
370 grid rowconfigure $top 0 -weight 0
371 grid rowconfigure $top 1 -weight 1
372 grid rowconfigure $top 2 -weight 0
373
374 set req_w [winfo reqwidth $top]
375 set req_h [winfo reqheight $top]
376 set scr_w [expr {[winfo screenwidth $top] - 40}]
377 set scr_h [expr {[winfo screenheight $top] - 120}]
378 set opt_w [expr {$font_w * (80 + 5*3 + 3)}]
379 if {$req_w < $opt_w} {set req_w $opt_w}
380 if {$req_w > $scr_w} {set req_w $scr_w}
381 set opt_h [expr {$req_w*4/3}]
382 if {$req_h < $scr_h} {set req_h $scr_h}
383 if {$req_h > $opt_h} {set req_h $opt_h}
384 set g "${req_w}x${req_h}"
385 wm geometry $top $g
386 update
387
388 set old_height [winfo height $w.file_pane]
389 $w.file_pane sash place 0 \
390 [lindex [$w.file_pane sash coord 0] 0] \
391 [expr {int($old_height * 0.80)}]
392 bind $w.file_pane <Configure> \
393 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
394
395 wm protocol $top WM_DELETE_WINDOW "destroy $top"
396 bind $top <Destroy> [cb _handle_destroy %W]
397
398 _load $this $i_jump
399 }
400
401 method _focus_search {win} {
402 if {[searchbar::visible $finder]} {
403 focus [searchbar::editor $finder]
404 } else {
405 focus $win
406 }
407 }
408
409 method _handle_destroy {win} {
410 if {$win eq $w} {
411 _kill $this
412 delete_this
413 }
414 }
415
416 method _kill {} {
417 if {$current_fd ne {}} {
418 kill_file_process $current_fd
419 catch {close $current_fd}
420 set current_fd {}
421 }
422 }
423
424 method _load {jump} {
425 variable group_colors
426
427 _hide_tooltip $this
428
429 if {$total_lines != 0 || $current_fd ne {}} {
430 _kill $this
431
432 foreach i $w_columns {
433 $i conf -state normal
434 $i delete 0.0 end
435 foreach g [$i tag names] {
436 if {[regexp {^g[0-9a-f]{40}$} $g]} {
437 $i tag delete $g
438 }
439 }
440 $i conf -state disabled
441 }
442
443 $w_cviewer conf -state normal
444 $w_cviewer delete 0.0 end
445 $w_cviewer conf -state disabled
446
447 set highlight_line -1
448 set highlight_column {}
449 set highlight_commit {}
450 set total_lines 0
451 }
452
453 if {$history eq {}} {
454 $w_back conf -state disabled
455 } else {
456 $w_back conf -state normal
457 }
458
459 # Index 0 is always empty. There is never line 0 as
460 # we use only 1 based lines, as that matches both with
461 # git-blame output and with Tk's text widget.
462 #
463 set amov_data [list [list]]
464 set asim_data [list [list]]
465
466 $status show [mc "Reading %s..." "$commit:[escape_path $path]"]
467 $w_path conf -text [escape_path $path]
468
469 set do_textconv 0
470 if {![is_config_false gui.textconv] && [git-version >= 1.7.2]} {
471 set filter [gitattr $path diff set]
472 set textconv [get_config [join [list diff $filter textconv] .]]
473 if {$filter ne {set} && $textconv ne {}} {
474 set do_textconv 1
475 }
476 }
477 if {$commit eq {}} {
478 if {$do_textconv ne 0} {
479 set fd [open_cmd_pipe $textconv $path]
480 } else {
481 set fd [open $path r]
482 }
483 fconfigure $fd -eofchar {}
484 } else {
485 if {$do_textconv ne 0} {
486 set fd [git_read cat-file --textconv "$commit:$path"]
487 } else {
488 set fd [git_read cat-file blob "$commit:$path"]
489 }
490 }
491 fconfigure $fd \
492 -blocking 0 \
493 -translation lf \
494 -encoding [get_path_encoding $path]
495 fileevent $fd readable [cb _read_file $fd $jump]
496 set current_fd $fd
497 }
498
499 method _history_menu {} {
500 set m $w.backmenu
501 if {[winfo exists $m]} {
502 $m delete 0 end
503 } else {
504 menu $m -tearoff 0
505 }
506
507 for {set i [expr {[llength $history] - 1}]
508 } {$i >= 0} {incr i -1} {
509 set e [lindex $history $i]
510 set c [lindex $e 0]
511 set f [lindex $e 1]
512
513 if {[regexp {^[0-9a-f]{40}$} $c]} {
514 set t [string range $c 0 8]...
515 } elseif {$c eq {}} {
516 set t {Working Directory}
517 } else {
518 set t $c
519 }
520 if {![catch {set summary $header($c,summary)}]} {
521 append t " $summary"
522 if {[string length $t] > 70} {
523 set t [string range $t 0 66]...
524 }
525 }
526
527 $m add command -label $t -command [cb _goback $i]
528 }
529 set X [winfo rootx $w_back]
530 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
531 tk_popup $m $X $Y
532 }
533
534 method _goback {i} {
535 set dat [lindex $history $i]
536 set history [lrange $history 0 [expr {$i - 1}]]
537 set commit [lindex $dat 0]
538 set path [lindex $dat 1]
539 _load $this [lrange $dat 2 5]
540 }
541
542 method _read_file {fd jump} {
543 if {$fd ne $current_fd} {
544 catch {close $fd}
545 return
546 }
547
548 foreach i $w_columns {$i conf -state normal}
549 while {[gets $fd line] >= 0} {
550 regsub "\r\$" $line {} line
551 incr total_lines
552 lappend amov_data {}
553 lappend asim_data {}
554
555 if {$total_lines > 1} {
556 foreach i $w_columns {$i insert end "\n"}
557 }
558
559 $w_line insert end "$total_lines" linenumber
560 $w_file insert end "$line"
561 }
562
563 set ln_wc [expr {[string length $total_lines] + 2}]
564 if {[$w_line cget -width] < $ln_wc} {
565 $w_line conf -width $ln_wc
566 }
567
568 foreach i $w_columns {$i conf -state disabled}
569
570 if {[eof $fd]} {
571 fconfigure $fd -blocking 1; # enable error reporting on close
572 if {[catch {close $fd} err]} {
573 tk_messageBox -icon error -title [mc Error] \
574 -message $err
575 }
576
577 # If we don't force Tk to update the widgets *right now*
578 # none of our jump commands will cause a change in the UI.
579 #
580 update
581
582 if {[llength $jump] == 1} {
583 set highlight_line [lindex $jump 0]
584 $w_file see "$highlight_line.0"
585 } elseif {[llength $jump] == 4} {
586 set highlight_column [lindex $jump 0]
587 set highlight_line [lindex $jump 1]
588 $w_file xview moveto [lindex $jump 2]
589 $w_file yview moveto [lindex $jump 3]
590 }
591
592 _exec_blame $this $w_asim @asim_data \
593 [list] \
594 [mc "Loading copy/move tracking annotations..."]
595 }
596 } ifdeleted { catch {close $fd} }
597
598 method _exec_blame {cur_w cur_d options cur_s} {
599 lappend options --incremental --encoding=utf-8
600 if {$commit eq {}} {
601 lappend options --contents $path
602 } else {
603 lappend options $commit
604 }
605 lappend options -- $path
606 set fd [eval git_read --nice blame $options]
607 fconfigure $fd -blocking 0 -translation lf -encoding utf-8
608 fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
609 set current_fd $fd
610 set blame_lines 0
611
612 $status start \
613 $cur_s \
614 [mc "lines annotated"]
615 }
616
617 method _read_blame {fd cur_w cur_d} {
618 upvar #0 $cur_d line_data
619 variable group_colors
620
621 if {$fd ne $current_fd} {
622 catch {close $fd}
623 return
624 }
625
626 $cur_w conf -state normal
627 while {[gets $fd line] >= 0} {
628 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
629 cmit original_line final_line line_count]} {
630 set r_commit $cmit
631 set r_orig_line $original_line
632 set r_final_line $final_line
633 set r_line_count $line_count
634 } elseif {[string match {filename *} $line]} {
635 set file [string range $line 9 end]
636 set n $r_line_count
637 set lno $r_final_line
638 set oln $r_orig_line
639 set cmit $r_commit
640
641 if {[regexp {^0{40}$} $cmit]} {
642 set commit_abbr work
643 set commit_type curr_commit
644 } elseif {$cmit eq $commit} {
645 set commit_abbr this
646 set commit_type curr_commit
647 } else {
648 set commit_type prior_commit
649 set commit_abbr [string range $cmit 0 3]
650 }
651
652 set author_abbr {}
653 set a_name {}
654 catch {set a_name $header($cmit,author)}
655 while {$a_name ne {}} {
656 if {$author_abbr ne {}
657 && [string index $a_name 0] eq {'}} {
658 regsub {^'[^']+'\s+} $a_name {} a_name
659 }
660 if {![regexp {^([[:upper:]])} $a_name _a]} break
661 append author_abbr $_a
662 unset _a
663 if {![regsub \
664 {^[[:upper:]][^\s]*\s+} \
665 $a_name {} a_name ]} break
666 }
667 if {$author_abbr eq {}} {
668 set author_abbr { |}
669 } else {
670 set author_abbr [string range $author_abbr 0 3]
671 }
672 unset a_name
673
674 set first_lno $lno
675 while {
676 $first_lno > 1
677 && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
678 && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
679 } {
680 incr first_lno -1
681 }
682
683 set color {}
684 if {$first_lno < $lno} {
685 foreach g [$w_file tag names $first_lno.0] {
686 if {[regexp {^color[0-9]+$} $g]} {
687 set color $g
688 break
689 }
690 }
691 } else {
692 set i [lsort [concat \
693 [$w_file tag names "[expr {$first_lno - 1}].0"] \
694 [$w_file tag names "[expr {$lno + $n}].0"] \
695 ]]
696 for {set g 0} {$g < [llength $group_colors]} {incr g} {
697 if {[lsearch -sorted -exact $i color$g] == -1} {
698 set color color$g
699 break
700 }
701 }
702 }
703 if {$color eq {}} {
704 set color color0
705 }
706
707 while {$n > 0} {
708 set lno_e "$lno.0 lineend + 1c"
709 if {[lindex $line_data $lno] ne {}} {
710 set g [lindex $line_data $lno 0]
711 foreach i $w_columns {
712 $i tag remove g$g $lno.0 $lno_e
713 }
714 }
715 lset line_data $lno [list $cmit $file $oln]
716
717 $cur_w delete $lno.0 "$lno.0 lineend"
718 if {$lno == $first_lno} {
719 $cur_w insert $lno.0 $commit_abbr $commit_type
720 } elseif {$lno == [expr {$first_lno + 1}]} {
721 $cur_w insert $lno.0 $author_abbr author_abbr
722 } else {
723 $cur_w insert $lno.0 { |}
724 }
725
726 foreach i $w_columns {
727 if {$cur_w eq $w_amov} {
728 for {set g 0} \
729 {$g < [llength $group_colors]} \
730 {incr g} {
731 $i tag remove color$g $lno.0 $lno_e
732 }
733 $i tag add $color $lno.0 $lno_e
734 }
735 $i tag add g$cmit $lno.0 $lno_e
736 }
737
738 if {$highlight_column eq $cur_w} {
739 if {$highlight_line == -1
740 && [lindex [$w_file yview] 0] == 0} {
741 $w_file see $lno.0
742 set highlight_line $lno
743 }
744 if {$highlight_line == $lno} {
745 _showcommit $this $cur_w $lno
746 }
747 }
748
749 incr n -1
750 incr lno
751 incr oln
752 incr blame_lines
753 }
754
755 while {
756 $cmit eq [lindex $line_data $lno 0]
757 && $file eq [lindex $line_data $lno 1]
758 } {
759 $cur_w delete $lno.0 "$lno.0 lineend"
760
761 if {$lno == $first_lno} {
762 $cur_w insert $lno.0 $commit_abbr $commit_type
763 } elseif {$lno == [expr {$first_lno + 1}]} {
764 $cur_w insert $lno.0 $author_abbr author_abbr
765 } else {
766 $cur_w insert $lno.0 { |}
767 }
768
769 if {$cur_w eq $w_amov} {
770 foreach i $w_columns {
771 for {set g 0} \
772 {$g < [llength $group_colors]} \
773 {incr g} {
774 $i tag remove color$g $lno.0 $lno_e
775 }
776 $i tag add $color $lno.0 $lno_e
777 }
778 }
779
780 incr lno
781 }
782
783 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
784 set header($r_commit,$key) $data
785 }
786 }
787 $cur_w conf -state disabled
788
789 if {[eof $fd]} {
790 close $fd
791 if {$cur_w eq $w_asim} {
792 # Switches for original location detection
793 set threshold [get_config gui.copyblamethreshold]
794 set original_options [list "-C$threshold"]
795
796 if {![is_config_true gui.fastcopyblame]} {
797 # thorough copy search; insert before the threshold
798 set original_options [linsert $original_options 0 -C]
799 }
800 if {[git-version >= 1.5.3]} {
801 lappend original_options -w ; # ignore indentation changes
802 }
803
804 _exec_blame $this $w_amov @amov_data \
805 $original_options \
806 [mc "Loading original location annotations..."]
807 } else {
808 set current_fd {}
809 $status stop [mc "Annotation complete."]
810 }
811 } else {
812 $status update $blame_lines $total_lines
813 }
814 } ifdeleted { catch {close $fd} }
815
816 method _find_commit_bound {data_list start_idx delta} {
817 upvar #0 $data_list line_data
818 set pos $start_idx
819 set limit [expr {[llength $line_data] - 1}]
820 set base_commit [lindex $line_data $pos 0]
821
822 while {$pos > 0 && $pos < $limit} {
823 set new_pos [expr {$pos + $delta}]
824 if {[lindex $line_data $new_pos 0] ne $base_commit} {
825 return $pos
826 }
827
828 set pos $new_pos
829 }
830
831 return $pos
832 }
833
834 method _fullcopyblame {} {
835 if {$current_fd ne {}} {
836 tk_messageBox \
837 -icon error \
838 -type ok \
839 -title [mc "Busy"] \
840 -message [mc "Annotation process is already running."]
841
842 return
843 }
844
845 # Switches for original location detection
846 set threshold [get_config gui.copyblamethreshold]
847 set original_options [list -C -C "-C$threshold"]
848
849 if {[git-version >= 1.5.3]} {
850 lappend original_options -w ; # ignore indentation changes
851 }
852
853 # Find the line range
854 set pos @$::cursorX,$::cursorY
855 set lno [lindex [split [$::cursorW index $pos] .] 0]
856 set min_amov_lno [_find_commit_bound $this @amov_data $lno -1]
857 set max_amov_lno [_find_commit_bound $this @amov_data $lno 1]
858 set min_asim_lno [_find_commit_bound $this @asim_data $lno -1]
859 set max_asim_lno [_find_commit_bound $this @asim_data $lno 1]
860
861 if {$min_asim_lno < $min_amov_lno} {
862 set min_amov_lno $min_asim_lno
863 }
864
865 if {$max_asim_lno > $max_amov_lno} {
866 set max_amov_lno $max_asim_lno
867 }
868
869 lappend original_options -L "$min_amov_lno,$max_amov_lno"
870
871 # Clear lines
872 for {set i $min_amov_lno} {$i <= $max_amov_lno} {incr i} {
873 lset amov_data $i [list ]
874 }
875
876 # Start the back-end process
877 _exec_blame $this $w_amov @amov_data \
878 $original_options \
879 [mc "Running thorough copy detection..."]
880 }
881
882 method _click {cur_w pos} {
883 set lno [lindex [split [$cur_w index $pos] .] 0]
884 _showcommit $this $cur_w $lno
885 }
886
887 method _setencoding {enc} {
888 force_path_encoding $path $enc
889 _load $this [list \
890 $highlight_column \
891 $highlight_line \
892 [lindex [$w_file xview] 0] \
893 [lindex [$w_file yview] 0] \
894 ]
895 }
896
897 method _load_commit {cur_w cur_d pos} {
898 upvar #0 $cur_d line_data
899 set lno [lindex [split [$cur_w index $pos] .] 0]
900 set dat [lindex $line_data $lno]
901 if {$dat ne {}} {
902 _load_new_commit $this \
903 [lindex $dat 0] \
904 [lindex $dat 1] \
905 [list [lindex $dat 2]]
906 }
907 }
908
909 method _load_new_commit {new_commit new_path jump} {
910 lappend history [list \
911 $commit $path \
912 $highlight_column \
913 $highlight_line \
914 [lindex [$w_file xview] 0] \
915 [lindex [$w_file yview] 0] \
916 ]
917
918 set commit $new_commit
919 set path $new_path
920 _load $this $jump
921 }
922
923 method _showcommit {cur_w lno} {
924 global repo_config
925 variable active_color
926
927 if {$highlight_commit ne {}} {
928 foreach i $w_columns {
929 $i tag conf g$highlight_commit -background {}
930 $i tag lower g$highlight_commit
931 }
932 }
933
934 if {$cur_w eq $w_asim} {
935 set dat [lindex $asim_data $lno]
936 set highlight_column $w_asim
937 } else {
938 set dat [lindex $amov_data $lno]
939 set highlight_column $w_amov
940 }
941
942 $w_cviewer conf -state normal
943 $w_cviewer delete 0.0 end
944
945 if {$dat eq {}} {
946 set cmit {}
947 $w_cviewer insert end [mc "Loading annotation..."] still_loading
948 } else {
949 set cmit [lindex $dat 0]
950 set file [lindex $dat 1]
951
952 foreach i $w_columns {
953 $i tag conf g$cmit -background $active_color
954 $i tag raise g$cmit
955 if {$i eq $w_file} {
956 $w_file tag raise found
957 }
958 $i tag raise sel
959 }
960
961 set author_name {}
962 set author_email {}
963 set author_time {}
964 catch {set author_name $header($cmit,author)}
965 catch {set author_email $header($cmit,author-mail)}
966 catch {set author_time [format_date $header($cmit,author-time)]}
967
968 set committer_name {}
969 set committer_email {}
970 set committer_time {}
971 catch {set committer_name $header($cmit,committer)}
972 catch {set committer_email $header($cmit,committer-mail)}
973 catch {set committer_time [format_date $header($cmit,committer-time)]}
974
975 if {[catch {set msg $header($cmit,message)}]} {
976 set msg {}
977 catch {
978 set fd [git_read cat-file commit $cmit]
979 fconfigure $fd -encoding binary -translation lf
980 # By default commits are assumed to be in utf-8
981 set enc utf-8
982 while {[gets $fd line] > 0} {
983 if {[string match {encoding *} $line]} {
984 set enc [string tolower [string range $line 9 end]]
985 }
986 }
987 set msg [read $fd]
988 close $fd
989
990 set enc [tcl_encoding $enc]
991 if {$enc ne {}} {
992 set msg [encoding convertfrom $enc $msg]
993 }
994 set msg [string trim $msg]
995 }
996 set header($cmit,message) $msg
997 }
998
999 $w_cviewer insert end "commit $cmit\n" header_key
1000 $w_cviewer insert end [strcat [mc "Author:"] "\t"] header_key
1001 $w_cviewer insert end "$author_name $author_email" header_val
1002 $w_cviewer insert end " $author_time\n" header_val
1003
1004 $w_cviewer insert end [strcat [mc "Committer:"] "\t"] header_key
1005 $w_cviewer insert end "$committer_name $committer_email" header_val
1006 $w_cviewer insert end " $committer_time\n" header_val
1007
1008 if {$file ne $path} {
1009 $w_cviewer insert end [strcat [mc "Original File:"] "\t"] header_key
1010 $w_cviewer insert end "[escape_path $file]\n" header_val
1011 }
1012
1013 $w_cviewer insert end "\n$msg"
1014 }
1015 $w_cviewer conf -state disabled
1016
1017 set highlight_line $lno
1018 set highlight_commit $cmit
1019
1020 if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
1021 _hide_tooltip $this
1022 }
1023 }
1024
1025 method _get_click_amov_info {} {
1026 set pos @$::cursorX,$::cursorY
1027 set lno [lindex [split [$::cursorW index $pos] .] 0]
1028 return [lindex $amov_data $lno]
1029 }
1030
1031 method _copycommit {} {
1032 set dat [_get_click_amov_info $this]
1033 if {$dat ne {}} {
1034 clipboard clear
1035 clipboard append \
1036 -format STRING \
1037 -type STRING \
1038 -- [lindex $dat 0]
1039 }
1040 }
1041
1042 method _format_offset_date {base offset} {
1043 set exval [expr {$base + $offset*24*60*60}]
1044 return [clock format $exval -format {%Y-%m-%d}]
1045 }
1046
1047 method _gitkcommit {} {
1048 global nullid
1049
1050 set dat [_get_click_amov_info $this]
1051 if {$dat ne {}} {
1052 set cmit [lindex $dat 0]
1053
1054 # If the line belongs to the working copy, use HEAD instead
1055 if {$cmit eq $nullid} {
1056 if {[catch {set cmit [git rev-parse --verify HEAD]} err]} {
1057 error_popup [strcat [mc "Cannot find HEAD commit:"] "\n\n$err"]
1058 return;
1059 }
1060 }
1061
1062 set radius [get_config gui.blamehistoryctx]
1063 set cmdline [list --select-commit=$cmit]
1064
1065 if {$radius > 0} {
1066 set author_time {}
1067 set committer_time {}
1068
1069 catch {set author_time $header($cmit,author-time)}
1070 catch {set committer_time $header($cmit,committer-time)}
1071
1072 if {$committer_time eq {}} {
1073 set committer_time $author_time
1074 }
1075
1076 set after_time [_format_offset_date $this $committer_time [expr {-$radius}]]
1077 set before_time [_format_offset_date $this $committer_time $radius]
1078
1079 lappend cmdline --after=$after_time --before=$before_time
1080 }
1081
1082 lappend cmdline $cmit
1083
1084 set base_rev "HEAD"
1085 if {$commit ne {}} {
1086 set base_rev $commit
1087 }
1088
1089 if {$base_rev ne $cmit} {
1090 lappend cmdline $base_rev
1091 }
1092
1093 do_gitk $cmdline
1094 }
1095 }
1096
1097 method _blameparent {} {
1098 global nullid
1099
1100 set dat [_get_click_amov_info $this]
1101 if {$dat ne {}} {
1102 set cmit [lindex $dat 0]
1103 set new_path [lindex $dat 1]
1104
1105 # Allow using Blame Parent on lines modified in the working copy
1106 if {$cmit eq $nullid} {
1107 set parent_ref "HEAD"
1108 } else {
1109 set parent_ref "$cmit^"
1110 }
1111 if {[catch {set cparent [git rev-parse --verify $parent_ref]} err]} {
1112 error_popup [strcat [mc "Cannot find parent commit:"] "\n\n$err"]
1113 return;
1114 }
1115
1116 _kill $this
1117
1118 # Generate a diff between the commit and its parent,
1119 # and use the hunks to update the line number.
1120 # Request zero context to simplify calculations.
1121 if {$cmit eq $nullid} {
1122 set diffcmd [list diff-index --unified=0 $cparent -- $new_path]
1123 } else {
1124 set diffcmd [list diff-tree --unified=0 $cparent $cmit -- $new_path]
1125 }
1126 if {[catch {set fd [eval git_read $diffcmd]} err]} {
1127 $status stop [mc "Unable to display parent"]
1128 error_popup [strcat [mc "Error loading diff:"] "\n\n$err"]
1129 return
1130 }
1131
1132 set r_orig_line [lindex $dat 2]
1133
1134 fconfigure $fd \
1135 -blocking 0 \
1136 -encoding binary \
1137 -translation binary
1138 fileevent $fd readable [cb _read_diff_load_commit \
1139 $fd $cparent $new_path $r_orig_line]
1140 set current_fd $fd
1141 }
1142 }
1143
1144 method _read_diff_load_commit {fd cparent new_path tline} {
1145 if {$fd ne $current_fd} {
1146 catch {close $fd}
1147 return
1148 }
1149
1150 while {[gets $fd line] >= 0} {
1151 if {[regexp {^@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))? @@} $line line \
1152 old_line osz old_size new_line nsz new_size]} {
1153
1154 if {$osz eq {}} { set old_size 1 }
1155 if {$nsz eq {}} { set new_size 1 }
1156
1157 if {$new_line <= $tline} {
1158 if {[expr {$new_line + $new_size}] > $tline} {
1159 # Target line within the hunk
1160 set line_shift [expr {
1161 ($new_size-$old_size)*($tline-$new_line)/$new_size
1162 }]
1163 } else {
1164 set line_shift [expr {$new_size-$old_size}]
1165 }
1166
1167 set r_orig_line [expr {$r_orig_line - $line_shift}]
1168 }
1169 }
1170 }
1171
1172 if {[eof $fd]} {
1173 close $fd
1174 set current_fd {}
1175
1176 _load_new_commit $this \
1177 $cparent \
1178 $new_path \
1179 [list $r_orig_line]
1180 }
1181 } ifdeleted { catch {close $fd} }
1182
1183 method _show_tooltip {cur_w pos} {
1184 if {$tooltip_wm ne {}} {
1185 _open_tooltip $this $cur_w
1186 } elseif {$tooltip_timer eq {}} {
1187 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
1188 }
1189 }
1190
1191 method _open_tooltip {cur_w} {
1192 set tooltip_timer {}
1193 set pos_x [winfo pointerx $cur_w]
1194 set pos_y [winfo pointery $cur_w]
1195 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
1196 _hide_tooltip $this
1197 return
1198 }
1199
1200 if {$tooltip_wm ne "$cur_w.tooltip"} {
1201 _hide_tooltip $this
1202
1203 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
1204 catch {wm attributes $tooltip_wm -type tooltip}
1205 wm overrideredirect $tooltip_wm 1
1206 wm transient $tooltip_wm [winfo toplevel $cur_w]
1207 set tooltip_t $tooltip_wm.label
1208 text $tooltip_t \
1209 -takefocus 0 \
1210 -highlightthickness 0 \
1211 -relief flat \
1212 -borderwidth 0 \
1213 -wrap none \
1214 -background lightyellow \
1215 -foreground black
1216 $tooltip_t tag conf section_header -font font_uibold
1217 pack $tooltip_t
1218 } else {
1219 $tooltip_t conf -state normal
1220 $tooltip_t delete 0.0 end
1221 }
1222
1223 set pos @[join [list \
1224 [expr {$pos_x - [winfo rootx $cur_w]}] \
1225 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
1226 set lno [lindex [split [$cur_w index $pos] .] 0]
1227 if {$cur_w eq $w_amov} {
1228 set dat [lindex $amov_data $lno]
1229 set org {}
1230 } else {
1231 set dat [lindex $asim_data $lno]
1232 set org [lindex $amov_data $lno]
1233 }
1234
1235 if {$dat eq {}} {
1236 _hide_tooltip $this
1237 return
1238 }
1239
1240 set cmit [lindex $dat 0]
1241 set tooltip_commit [list $cmit]
1242
1243 set author_name {}
1244 set summary {}
1245 set author_time {}
1246 catch {set author_name $header($cmit,author)}
1247 catch {set summary $header($cmit,summary)}
1248 catch {set author_time [format_date $header($cmit,author-time)]}
1249
1250 $tooltip_t insert end "commit $cmit\n"
1251 $tooltip_t insert end "$author_name $author_time\n"
1252 $tooltip_t insert end "$summary"
1253
1254 if {$org ne {} && [lindex $org 0] ne $cmit} {
1255 set save [$tooltip_t get 0.0 end]
1256 $tooltip_t delete 0.0 end
1257
1258 set cmit [lindex $org 0]
1259 set file [lindex $org 1]
1260 lappend tooltip_commit $cmit
1261
1262 set author_name {}
1263 set summary {}
1264 set author_time {}
1265 catch {set author_name $header($cmit,author)}
1266 catch {set summary $header($cmit,summary)}
1267 catch {set author_time [format_date $header($cmit,author-time)]}
1268
1269 $tooltip_t insert end [strcat [mc "Originally By:"] "\n"] section_header
1270 $tooltip_t insert end "commit $cmit\n"
1271 $tooltip_t insert end "$author_name $author_time\n"
1272 $tooltip_t insert end "$summary\n"
1273
1274 if {$file ne $path} {
1275 $tooltip_t insert end [strcat [mc "In File:"] " "] section_header
1276 $tooltip_t insert end "$file\n"
1277 }
1278
1279 $tooltip_t insert end "\n"
1280 $tooltip_t insert end [strcat [mc "Copied Or Moved Here By:"] "\n"] section_header
1281 $tooltip_t insert end $save
1282 }
1283
1284 $tooltip_t conf -state disabled
1285 _position_tooltip $this
1286
1287 # On MacOS raising a window causes it to acquire focus.
1288 # Tk 8.5 on MacOS seems to properly support wm transient,
1289 # so we can safely counter the effect there.
1290 if {$::have_tk85 && [is_MacOSX]} {
1291 update
1292 if {$w eq {}} {
1293 raise .
1294 } else {
1295 raise $w
1296 }
1297 }
1298 }
1299
1300 method _position_tooltip {} {
1301 set max_h [lindex [split [$tooltip_t index end] .] 0]
1302 set max_w 0
1303 for {set i 1} {$i <= $max_h} {incr i} {
1304 set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
1305 if {$c > $max_w} {set max_w $c}
1306 }
1307 $tooltip_t conf -width $max_w -height $max_h
1308
1309 set req_w [winfo reqwidth $tooltip_t]
1310 set req_h [winfo reqheight $tooltip_t]
1311 set pos_x [expr {[winfo pointerx .] + 5}]
1312 set pos_y [expr {[winfo pointery .] + 10}]
1313
1314 set g "${req_w}x${req_h}"
1315 if {[tk windowingsystem] eq "win32" || $pos_x >= 0} {append g +}
1316 append g $pos_x
1317 if {[tk windowingsystem] eq "win32" || $pos_y >= 0} {append g +}
1318 append g $pos_y
1319
1320 wm geometry $tooltip_wm $g
1321 if {![is_MacOSX]} {
1322 raise $tooltip_wm
1323 }
1324 }
1325
1326 method _hide_tooltip {} {
1327 if {$tooltip_wm ne {}} {
1328 destroy $tooltip_wm
1329 set tooltip_wm {}
1330 set tooltip_commit {}
1331 }
1332 if {$tooltip_timer ne {}} {
1333 after cancel $tooltip_timer
1334 set tooltip_timer {}
1335 }
1336 }
1337
1338 method _resize {new_height} {
1339 set diff [expr {$new_height - $old_height}]
1340 if {$diff == 0} return
1341
1342 set my [expr {[winfo height $w.file_pane] - 25}]
1343 set o [$w.file_pane sash coord 0]
1344 set ox [lindex $o 0]
1345 set oy [expr {[lindex $o 1] + $diff}]
1346 if {$oy < 0} {set oy 0}
1347 if {$oy > $my} {set oy $my}
1348 $w.file_pane sash place 0 $ox $oy
1349
1350 set old_height $new_height
1351 }
1352
1353 method _show_finder {} {
1354 linebar::hide $gotoline
1355 searchbar::show $finder
1356 }
1357
1358 method _show_linebar {} {
1359 searchbar::hide $finder
1360 linebar::show $gotoline
1361 }
1362
1363 }
Tk based UI for Git