2 # Copyright (C) 2006, 2007 Shawn Pearce
6 image create photo ::blame::img_back_arrow -data {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}
8 field commit ; # input commit to blame
9 field path ; # input filename to view in $commit
10 field history {}; # viewer history: {commit path}
12 field w ; # top window in this viewer
13 field w_back ; # our back button
14 field w_path ; # label showing the current file path
15 field w_line ; # text column: all line numbers
16 field w_cgrp ; # text column: abbreviated commit SHA-1s
17 field w_load ; # text column: loaded indicator
18 field w_file ; # text column: actual file data
19 field w_cmit ; # pane showing commit message
20 field status ; # text variable bound to status bar
21 field old_height ; # last known height of $w.file_pane
23 field current_fd {} ; # background process running
24 field highlight_line -1 ; # current line selected
25 field highlight_commit {} ; # sha1 of commit selected
27 field total_lines 0 ; # total length of file
28 field blame_lines 0 ; # number of lines computed
29 field commit_count 0 ; # number of commits in $commit_list
30 field commit_list {} ; # list of commit sha1 in receipt order
31 field order ; # array commit -> receipt order
32 field header ; # array commit,key -> header field
33 field line_commit ; # array line -> sha1 commit
34 field line_file ; # array line -> file name
36 field r_commit ; # commit currently being parsed
37 field r_orig_line ; # original line number
38 field r_final_line ; # final line number
39 field r_line_count ; # lines in this region
41 field tooltip_wm {} ; # Current tooltip toplevel, if open
42 field tooltip_timer {} ; # Current timer event for our tooltip
43 field tooltip_commit {} ; # Commit in tooltip
44 field tooltip_text {} ; # Text in current tooltip
46 variable active_color #98e1a0
47 variable group_colors {
52 constructor new {i_commit i_path} {
60 wm title $top "[appname] ([reponame]): File Viewer"
62 frame $w.header -background orange
63 label $w.header.commit_l \
68 set w_back $w.header.commit_b
70 -image ::blame::img_back_arrow \
75 -activebackground orange
76 bind $w_back <Button-1> "
77 if {\[$w_back cget -state\] eq {normal}} {
81 label $w.header.commit \
82 -textvariable @commit \
86 label $w.header.path_l \
91 set w_path $w.header.path
96 pack $w.header.commit_l -side left
97 pack $w_back -side left
98 pack $w.header.commit -side left
99 pack $w_path -fill x -side right
100 pack $w.header.path_l -side right
102 panedwindow $w.file_pane -orient vertical
103 frame $w.file_pane.out
104 frame $w.file_pane.cm
105 $w.file_pane add $w.file_pane.out \
110 $w.file_pane add $w.file_pane.cm \
116 set w_load $w.file_pane.out.loaded_t
118 -background white -borderwidth 0 \
124 $w_load tag conf annotated -background grey
126 set w_line $w.file_pane.out.linenumber_t
128 -background white -borderwidth 0 \
134 $w_line tag conf linenumber -justify right
136 set w_cgrp $w.file_pane.out.commit_t
138 -background white -borderwidth 0 \
144 $w_cgrp tag conf curr_commit
145 $w_cgrp tag conf prior_commit \
148 $w_cgrp tag bind prior_commit \
150 "[cb _load_commit @%x,%y];break"
152 set w_file $w.file_pane.out.file_t
154 -background white -borderwidth 0 \
159 -xscrollcommand [list $w.file_pane.out.sbx set] \
162 scrollbar $w.file_pane.out.sbx \
164 -command [list $w_file xview]
165 scrollbar $w.file_pane.out.sby \
167 -command [list scrollbar2many [list \
178 $w.file_pane.out.sby \
180 grid conf $w.file_pane.out.sbx -column 3 -sticky we
181 grid columnconfigure $w.file_pane.out 3 -weight 1
182 grid rowconfigure $w.file_pane.out 0 -weight 1
184 set w_cmit $w.file_pane.cm.t
186 -background white -borderwidth 0 \
191 -xscrollcommand [list $w.file_pane.cm.sbx set] \
192 -yscrollcommand [list $w.file_pane.cm.sby set] \
194 $w_cmit tag conf header_key \
196 -background $active_color \
198 $w_cmit tag conf header_val \
199 -background $active_color \
201 $w_cmit tag raise sel
202 scrollbar $w.file_pane.cm.sbx \
204 -command [list $w_cmit xview]
205 scrollbar $w.file_pane.cm.sby \
207 -command [list $w_cmit yview]
208 pack $w.file_pane.cm.sby -side right -fill y
209 pack $w.file_pane.cm.sbx -side bottom -fill x
210 pack $w_cmit -expand 1 -fill both
216 -textvariable @status \
219 pack $w.status.l -side left
221 menu $w.ctxm -tearoff 0
222 $w.ctxm add command \
223 -label "Copy Commit" \
224 -command [cb _copycommit]
231 $i conf -cursor $cursor_ptr
232 $i conf -yscrollcommand \
233 [list many2scrollbar [list \
238 ] yview $w.file_pane.out.sby]
241 [cb _click $i @%x,%y]
244 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
245 bind $i <Any-Enter> [cb _hide_tooltip]
246 bind $i <Any-Leave> [cb _hide_tooltip]
252 tk_popup $w.ctxm %X %Y
262 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
263 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
264 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
265 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
266 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
267 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
268 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
269 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
270 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
271 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
274 bind $w_cmit <Button-1> [list focus $w_cmit]
275 bind $top <Visibility> [list focus $top]
276 bind $w_file <Destroy> [list delete_this $this]
278 grid configure $w.header -sticky ew
279 grid configure $w.file_pane -sticky nsew
280 grid configure $w.status -sticky ew
281 grid columnconfigure $top 0 -weight 1
282 grid rowconfigure $top 0 -weight 0
283 grid rowconfigure $top 1 -weight 1
284 grid rowconfigure $top 2 -weight 0
286 set req_w [winfo reqwidth $top]
287 set req_h [winfo reqheight $top]
288 if {$req_w < 600} {set req_w 600}
289 if {$req_h < 400} {set req_h 400}
290 set g "${req_w}x${req_h}"
294 set old_height [winfo height $w.file_pane]
295 $w.file_pane sash place 0 \
296 [lindex [$w.file_pane sash coord 0] 0] \
297 [expr {int($old_height * 0.70)}]
298 bind $w.file_pane <Configure> \
299 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
307 if {$total_lines != 0 || $current_fd ne {}} {
308 if {$current_fd ne {}} {
309 catch {close $current_fd}
313 set highlight_line -1
314 set highlight_commit {}
320 array unset line_commit
321 array unset line_file
323 $w_load conf -state normal
324 $w_cgrp conf -state normal
325 $w_line conf -state normal
326 $w_file conf -state normal
328 $w_load delete 0.0 end
329 $w_cgrp delete 0.0 end
330 $w_line delete 0.0 end
331 $w_file delete 0.0 end
333 $w_load conf -state disabled
334 $w_cgrp conf -state disabled
335 $w_line conf -state disabled
336 $w_file conf -state disabled
339 if {[winfo exists $w.status.c]} {
340 $w.status.c coords bar 0 0 0 20
344 -height [expr {int([winfo reqheight $w.status.l] * 0.6)}] \
348 $w.status.c create rectangle 0 0 0 20 -tags bar -fill navy
349 pack $w.status.c -side right
352 if {$history eq {}} {
353 $w_back conf -state disabled
355 $w_back conf -state normal
357 lappend history [list $commit $path]
359 set status "Loading $commit:[escape_path $path]..."
360 $w_path conf -text [escape_path $path]
362 set fd [open $path r]
364 set cmd [list git cat-file blob "$commit:$path"]
365 set fd [open "| $cmd" r]
367 fconfigure $fd -blocking 0 -translation lf -encoding binary
368 fileevent $fd readable [cb _read_file $fd]
372 method _history_menu {} {
374 if {[winfo exists $m]} {
380 for {set i [expr {[llength $history] - 2}]
381 } {$i >= 0} {incr i -1} {
382 set e [lindex $history $i]
386 if {[regexp {^[0-9a-f]{40}$} $c]} {
387 set t [string range $c 0 8]...
391 if {![catch {set summary $header($c,summary)}]} {
395 $m add command -label $t -command [cb _goback $i $c $f]
397 set X [winfo rootx $w_back]
398 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
402 method _goback {i c f} {
403 set history [lrange $history 0 [expr {$i - 1}]]
409 method _read_file {fd} {
410 if {$fd ne $current_fd} {
415 $w_load conf -state normal
416 $w_cgrp conf -state normal
417 $w_line conf -state normal
418 $w_file conf -state normal
419 while {[gets $fd line] >= 0} {
420 regsub "\r\$" $line {} line
423 if {$total_lines > 1} {
424 $w_load insert end "\n"
425 $w_cgrp insert end "\n"
426 $w_line insert end "\n"
427 $w_file insert end "\n"
430 $w_line insert end "$total_lines" linenumber
431 $w_file insert end "$line"
433 $w_load conf -state disabled
434 $w_cgrp conf -state disabled
435 $w_line conf -state disabled
436 $w_file conf -state disabled
441 set cmd {nice git blame -M -C --incremental}
443 lappend cmd --contents $path
448 set fd [open "| $cmd" r]
449 fconfigure $fd -blocking 0 -translation lf -encoding binary
450 fileevent $fd readable [cb _read_blame $fd]
453 } ifdeleted { catch {close $fd} }
455 method _read_blame {fd} {
456 variable group_colors
458 if {$fd ne $current_fd} {
463 $w_cgrp conf -state normal
464 while {[gets $fd line] >= 0} {
465 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
466 cmit original_line final_line line_count]} {
468 set r_orig_line $original_line
469 set r_final_line $final_line
470 set r_line_count $line_count
472 if {[catch {set g $order($cmit)}]} {
473 set bg [lindex $group_colors 0]
474 set group_colors [lrange $group_colors 1 end]
475 lappend group_colors $bg
477 $w_cgrp tag conf g$cmit -background $bg
478 $w_line tag conf g$cmit -background $bg
479 $w_file tag conf g$cmit -background $bg
481 set order($cmit) $commit_count
483 lappend commit_list $cmit
485 } elseif {[string match {filename *} $line]} {
486 set file [string range $line 9 end]
488 set lno $r_final_line
491 if {[regexp {^0{40}$} $cmit]} {
493 set commit_type curr_commit
494 } elseif {$cmit eq $commit} {
496 set commit_type curr_commit
498 set commit_type prior_commit
499 set commit_abbr [string range $cmit 0 4]
504 catch {set a_name $header($cmit,author)}
505 while {$a_name ne {}} {
506 if {![regexp {^([[:upper:]])} $a_name _a]} break
507 append author_abbr $_a
510 {^[[:upper:]][^\s]*\s+} \
511 $a_name {} a_name ]} break
513 if {$author_abbr eq {}} {
516 set author_abbr [string range $author_abbr 0 3]
517 while {[string length $author_abbr] < 4} {
518 set author_abbr " $author_abbr"
525 ![catch {set ncmit $line_commit([expr {$first_lno - 1}])}]
526 && ![catch {set nfile $line_file([expr {$first_lno - 1}])}]
534 set lno_e "$lno.0 lineend + 1c"
535 if {[catch {set g g$line_commit($lno)}]} {
536 $w_load tag add annotated $lno.0 $lno_e
538 $w_cgrp tag remove g$g $lno.0 $lno_e
539 $w_line tag remove g$g $lno.0 $lno_e
540 $w_file tag remove g$g $lno.0 $lno_e
542 $w_cgrp tag remove a$g $lno.0 $lno_e
543 $w_line tag remove a$g $lno.0 $lno_e
544 $w_file tag remove a$g $lno.0 $lno_e
547 set line_commit($lno) $cmit
548 set line_file($lno) $file
550 $w_cgrp delete $lno.0 "$lno.0 lineend"
551 if {$lno == $first_lno} {
552 $w_cgrp insert $lno.0 $commit_abbr $commit_type
553 } elseif {$lno == [expr {$first_lno + 1}]} {
554 $w_cgrp insert $lno.0 $author_abbr
556 $w_cgrp insert $lno.0 { |}
559 $w_cgrp tag add g$cmit $lno.0 $lno_e
560 $w_line tag add g$cmit $lno.0 $lno_e
561 $w_file tag add g$cmit $lno.0 $lno_e
563 $w_cgrp tag add a$cmit $lno.0 $lno_e
564 $w_line tag add a$cmit $lno.0 $lno_e
565 $w_file tag add a$cmit $lno.0 $lno_e
567 if {$highlight_line == -1} {
568 if {[lindex [$w_file yview] 0] == 0} {
570 _showcommit $this $lno
572 } elseif {$highlight_line == $lno} {
573 _showcommit $this $lno
582 ![catch {set ncmit $line_commit($lno)}]
583 && ![catch {set nfile $line_file($lno)}]
587 $w_cgrp delete $lno.0 "$lno.0 lineend"
589 if {$lno == $first_lno} {
590 $w_cgrp insert $lno.0 $commit_abbr $commit_type
591 } elseif {$lno == [expr {$first_lno + 1}]} {
592 $w_cgrp insert $lno.0 $author_abbr
594 $w_cgrp insert $lno.0 { |}
599 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
600 set header($r_commit,$key) $data
603 $w_cgrp conf -state disabled
608 set status {Annotation complete.}
613 } ifdeleted { catch {close $fd} }
616 set have $blame_lines
617 set total $total_lines
619 if {$total} {set pdone [expr {100 * $have / $total}]}
622 "Loading annotations... %i of %i lines annotated (%2i%%)" \
624 $w.status.c coords bar 0 0 $pdone 20
627 method _click {cur_w pos} {
628 set lno [lindex [split [$cur_w index $pos] .] 0]
629 if {$lno eq {}} return
630 _showcommit $this $lno
633 method _load_commit {pos} {
634 set lno [lindex [split [$w_cgrp index $pos] .] 0]
635 if {[catch {set cmit $line_commit($lno)}]} return
636 if {[catch {set file $line_file($lno) }]} return
643 method _showcommit {lno} {
645 variable active_color
647 if {$highlight_commit ne {}} {
648 set cmit $highlight_commit
649 $w_cgrp tag conf a$cmit -background {}
650 $w_line tag conf a$cmit -background {}
651 $w_file tag conf a$cmit -background {}
654 $w_cmit conf -state normal
655 $w_cmit delete 0.0 end
656 if {[catch {set cmit $line_commit($lno)}]} {
658 $w_cmit insert end "Loading annotation..."
660 $w_cgrp tag conf a$cmit -background $active_color
661 $w_line tag conf a$cmit -background $active_color
662 $w_file tag conf a$cmit -background $active_color
667 catch {set author_name $header($cmit,author)}
668 catch {set author_email $header($cmit,author-mail)}
669 catch {set author_time [clock format \
670 $header($cmit,author-time) \
671 -format {%Y-%m-%d %H:%M:%S}
674 set committer_name {}
675 set committer_email {}
676 set committer_time {}
677 catch {set committer_name $header($cmit,committer)}
678 catch {set committer_email $header($cmit,committer-mail)}
679 catch {set committer_time [clock format \
680 $header($cmit,committer-time) \
681 -format {%Y-%m-%d %H:%M:%S}
684 if {[catch {set msg $header($cmit,message)}]} {
687 set fd [open "| git cat-file commit $cmit" r]
688 fconfigure $fd -encoding binary -translation lf
689 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
692 while {[gets $fd line] > 0} {
693 if {[string match {encoding *} $line]} {
694 set enc [string tolower [string range $line 9 end]]
697 set msg [encoding convertfrom $enc [read $fd]]
698 set msg [string trim $msg]
701 set author_name [encoding convertfrom $enc $author_name]
702 set committer_name [encoding convertfrom $enc $committer_name]
704 set header($cmit,author) $author_name
705 set header($cmit,committer) $committer_name
707 set header($cmit,message) $msg
710 $w_cmit insert end "commit $cmit\n" header_key
711 $w_cmit insert end "Author:\t" header_key
712 $w_cmit insert end "$author_name $author_email" header_val
713 $w_cmit insert end "$author_time\n" header_val
715 $w_cmit insert end "Committer:\t" header_key
716 $w_cmit insert end "$committer_name $committer_email" header_val
717 $w_cmit insert end "$committer_time\n" header_val
719 if {$line_file($lno) ne $path} {
720 $w_cmit insert end "Original File:\t" header_key
721 $w_cmit insert end "[escape_path $line_file($lno)]\n" header_val
724 $w_cmit insert end "\n$msg"
726 $w_cmit conf -state disabled
728 set highlight_line $lno
729 set highlight_commit $cmit
731 if {$highlight_commit eq $tooltip_commit} {
736 method _copycommit {} {
737 set pos @$::cursorX,$::cursorY
738 set lno [lindex [split [$::cursorW index $pos] .] 0]
739 if {![catch {set commit $line_commit($lno)}]} {
748 method _show_tooltip {cur_w pos} {
749 set lno [lindex [split [$cur_w index $pos] .] 0]
750 if {[catch {set cmit $line_commit($lno)}]} {
755 if {$cmit eq $highlight_commit} {
760 if {$cmit eq $tooltip_commit} {
761 _position_tooltip $this
762 } elseif {$tooltip_wm ne {}} {
763 _open_tooltip $this $cur_w
764 } elseif {$tooltip_timer eq {}} {
765 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
769 method _open_tooltip {cur_w} {
771 set pos_x [winfo pointerx $cur_w]
772 set pos_y [winfo pointery $cur_w]
773 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
778 set pos @[join [list \
779 [expr {$pos_x - [winfo rootx $cur_w]}] \
780 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
781 set lno [lindex [split [$cur_w index $pos] .] 0]
782 set cmit $line_commit($lno)
787 catch {set author_name $header($cmit,author)}
788 catch {set author_email $header($cmit,author-mail)}
789 catch {set author_time [clock format \
790 $header($cmit,author-time) \
791 -format {%Y-%m-%d %H:%M:%S}
794 set committer_name {}
795 set committer_email {}
796 set committer_time {}
797 catch {set committer_name $header($cmit,committer)}
798 catch {set committer_email $header($cmit,committer-mail)}
799 catch {set committer_time [clock format \
800 $header($cmit,committer-time) \
801 -format {%Y-%m-%d %H:%M:%S}
805 catch {set summary $header($cmit,summary)}
807 set tooltip_commit $cmit
808 set tooltip_text "commit $cmit
809 $author_name $author_email $author_time
812 set file $line_file($lno)
813 if {$file ne $path} {
814 append tooltip_text "
816 Original File: $file"
819 if {$tooltip_wm ne "$cur_w.tooltip"} {
822 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
823 wm overrideredirect $tooltip_wm 1
824 wm transient $tooltip_wm [winfo toplevel $cur_w]
825 pack [label $tooltip_wm.label \
826 -background lightyellow \
828 -textvariable @tooltip_text \
831 _position_tooltip $this
834 method _position_tooltip {} {
835 set req_w [winfo reqwidth $tooltip_wm.label]
836 set req_h [winfo reqheight $tooltip_wm.label]
837 set pos_x [expr {[winfo pointerx .] + 5}]
838 set pos_y [expr {[winfo pointery .] + 10}]
840 set g "${req_w}x${req_h}"
841 if {$pos_x >= 0} {append g +}
843 if {$pos_y >= 0} {append g +}
846 wm geometry $tooltip_wm $g
850 method _hide_tooltip {} {
851 if {$tooltip_wm ne {}} {
854 set tooltip_commit {}
856 if {$tooltip_timer ne {}} {
857 after cancel $tooltip_timer
862 method _resize {new_height} {
863 set diff [expr {$new_height - $old_height}]
864 if {$diff == 0} return
866 set my [expr {[winfo height $w.file_pane] - 25}]
867 set o [$w.file_pane sash coord 0]
869 set oy [expr {[lindex $o 1] + $diff}]
870 if {$oy < 0} {set oy 0}
871 if {$oy > $my} {set oy $my}
872 $w.file_pane sash place 0 $ox $oy
874 set old_height $new_height