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_file ; # text column: actual file data
18 field w_cmit ; # pane showing commit message
19 field status ; # text variable bound to status bar
20 field old_height ; # last known height of $w.file_pane
22 field current_fd {} ; # background process running
23 field highlight_line -1 ; # current line selected
24 field highlight_commit {} ; # sha1 of commit selected
26 field total_lines 0 ; # total length of file
27 field blame_lines 0 ; # number of lines computed
28 field commit_count 0 ; # number of commits in $commit_list
29 field commit_list {} ; # list of commit sha1 in receipt order
30 field order ; # array commit -> receipt order
31 field header ; # array commit,key -> header field
32 field line_commit ; # array line -> sha1 commit
33 field line_file ; # array line -> file name
35 field r_commit ; # commit currently being parsed
36 field r_orig_line ; # original line number
37 field r_final_line ; # final line number
38 field r_line_count ; # lines in this region
40 field tooltip_wm {} ; # Current tooltip toplevel, if open
41 field tooltip_timer {} ; # Current timer event for our tooltip
42 field tooltip_commit {} ; # Commit in tooltip
43 field tooltip_text {} ; # Text in current tooltip
45 variable active_color #c0edc5
46 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_line $w.file_pane.out.linenumber_t
119 -highlightthickness 0 \
121 -background white -borderwidth 0 \
127 $w_line tag conf linenumber -justify right -rmargin 5
129 set w_cgrp $w.file_pane.out.commit_t
132 -highlightthickness 0 \
134 -background white -borderwidth 0 \
140 $w_cgrp tag conf curr_commit
141 $w_cgrp tag conf prior_commit \
144 $w_cgrp tag bind prior_commit \
146 "[cb _load_commit @%x,%y];break"
148 set w_file $w.file_pane.out.file_t
151 -highlightthickness 0 \
153 -background white -borderwidth 0 \
158 -xscrollcommand [list $w.file_pane.out.sbx set] \
161 scrollbar $w.file_pane.out.sbx \
163 -command [list $w_file xview]
164 scrollbar $w.file_pane.out.sby \
166 -command [list scrollbar2many [list \
175 $w.file_pane.out.sby \
177 grid conf $w.file_pane.out.sbx -column 2 -sticky we
178 grid columnconfigure $w.file_pane.out 2 -weight 1
179 grid rowconfigure $w.file_pane.out 0 -weight 1
181 set w_cmit $w.file_pane.cm.t
183 -background white -borderwidth 0 \
188 -xscrollcommand [list $w.file_pane.cm.sbx set] \
189 -yscrollcommand [list $w.file_pane.cm.sby set] \
191 $w_cmit tag conf header_key \
193 -background $active_color \
195 $w_cmit tag conf header_val \
196 -background $active_color \
198 $w_cmit tag raise sel
199 scrollbar $w.file_pane.cm.sbx \
201 -command [list $w_cmit xview]
202 scrollbar $w.file_pane.cm.sby \
204 -command [list $w_cmit yview]
205 pack $w.file_pane.cm.sby -side right -fill y
206 pack $w.file_pane.cm.sbx -side bottom -fill x
207 pack $w_cmit -expand 1 -fill both
213 -textvariable @status \
216 pack $w.status.l -side left
218 menu $w.ctxm -tearoff 0
219 $w.ctxm add command \
220 -label "Copy Commit" \
221 -command [cb _copycommit]
227 $i conf -cursor $cursor_ptr
228 $i conf -yscrollcommand \
229 [list many2scrollbar [list \
233 ] yview $w.file_pane.out.sby]
236 [cb _click $i @%x,%y]
239 bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
240 bind $i <Any-Enter> [cb _hide_tooltip]
241 bind $i <Any-Leave> [cb _hide_tooltip]
247 tk_popup $w.ctxm %X %Y
256 bind $i <Key-Up> {catch {%W yview scroll -1 units};break}
257 bind $i <Key-Down> {catch {%W yview scroll 1 units};break}
258 bind $i <Key-Left> {catch {%W xview scroll -1 units};break}
259 bind $i <Key-Right> {catch {%W xview scroll 1 units};break}
260 bind $i <Key-k> {catch {%W yview scroll -1 units};break}
261 bind $i <Key-j> {catch {%W yview scroll 1 units};break}
262 bind $i <Key-h> {catch {%W xview scroll -1 units};break}
263 bind $i <Key-l> {catch {%W xview scroll 1 units};break}
264 bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break}
265 bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break}
268 bind $w_cmit <Button-1> [list focus $w_cmit]
269 bind $top <Visibility> [list focus $top]
270 bind $w_file <Destroy> [list delete_this $this]
272 grid configure $w.header -sticky ew
273 grid configure $w.file_pane -sticky nsew
274 grid configure $w.status -sticky ew
275 grid columnconfigure $top 0 -weight 1
276 grid rowconfigure $top 0 -weight 0
277 grid rowconfigure $top 1 -weight 1
278 grid rowconfigure $top 2 -weight 0
280 set req_w [winfo reqwidth $top]
281 set req_h [winfo reqheight $top]
282 if {$req_w < 600} {set req_w 600}
283 if {$req_h < 400} {set req_h 400}
284 set g "${req_w}x${req_h}"
288 set old_height [winfo height $w.file_pane]
289 $w.file_pane sash place 0 \
290 [lindex [$w.file_pane sash coord 0] 0] \
291 [expr {int($old_height * 0.70)}]
292 bind $w.file_pane <Configure> \
293 "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
301 if {$total_lines != 0 || $current_fd ne {}} {
302 if {$current_fd ne {}} {
303 catch {close $current_fd}
307 set highlight_line -1
308 set highlight_commit {}
314 array unset line_commit
315 array unset line_file
317 $w_cgrp conf -state normal
318 $w_line conf -state normal
319 $w_file conf -state normal
321 $w_cgrp delete 0.0 end
322 $w_line delete 0.0 end
323 $w_file delete 0.0 end
325 $w_cgrp conf -state disabled
326 $w_line conf -state disabled
327 $w_file conf -state disabled
330 if {[winfo exists $w.status.c]} {
331 $w.status.c coords bar 0 0 0 20
335 -height [expr {int([winfo reqheight $w.status.l] * 0.6)}] \
339 $w.status.c create rectangle 0 0 0 20 -tags bar -fill navy
340 pack $w.status.c -side right
343 if {$history eq {}} {
344 $w_back conf -state disabled
346 $w_back conf -state normal
348 lappend history [list $commit $path]
350 set status "Loading $commit:[escape_path $path]..."
351 $w_path conf -text [escape_path $path]
353 set fd [open $path r]
355 set cmd [list git cat-file blob "$commit:$path"]
356 set fd [open "| $cmd" r]
358 fconfigure $fd -blocking 0 -translation lf -encoding binary
359 fileevent $fd readable [cb _read_file $fd]
363 method _history_menu {} {
365 if {[winfo exists $m]} {
371 for {set i [expr {[llength $history] - 2}]
372 } {$i >= 0} {incr i -1} {
373 set e [lindex $history $i]
377 if {[regexp {^[0-9a-f]{40}$} $c]} {
378 set t [string range $c 0 8]...
382 if {![catch {set summary $header($c,summary)}]} {
384 if {[string length $t] > 70} {
385 set t [string range $t 0 66]...
389 $m add command -label $t -command [cb _goback $i $c $f]
391 set X [winfo rootx $w_back]
392 set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
396 method _goback {i c f} {
397 set history [lrange $history 0 [expr {$i - 1}]]
403 method _read_file {fd} {
404 if {$fd ne $current_fd} {
409 $w_cgrp conf -state normal
410 $w_line conf -state normal
411 $w_file conf -state normal
412 while {[gets $fd line] >= 0} {
413 regsub "\r\$" $line {} line
416 if {$total_lines > 1} {
417 $w_cgrp insert end "\n"
418 $w_line insert end "\n"
419 $w_file insert end "\n"
422 $w_line insert end "$total_lines" linenumber
423 $w_file insert end "$line"
425 $w_cgrp conf -state disabled
426 $w_line conf -state disabled
427 $w_file conf -state disabled
432 set cmd {nice git blame -M -C --incremental}
434 lappend cmd --contents $path
439 set fd [open "| $cmd" r]
440 fconfigure $fd -blocking 0 -translation lf -encoding binary
441 fileevent $fd readable [cb _read_blame $fd]
444 } ifdeleted { catch {close $fd} }
446 method _read_blame {fd} {
447 variable group_colors
449 if {$fd ne $current_fd} {
454 $w_cgrp conf -state normal
455 while {[gets $fd line] >= 0} {
456 if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \
457 cmit original_line final_line line_count]} {
459 set r_orig_line $original_line
460 set r_final_line $final_line
461 set r_line_count $line_count
463 if {[catch {set g $order($cmit)}]} {
464 set bg [lindex $group_colors 0]
465 set group_colors [lrange $group_colors 1 end]
466 lappend group_colors $bg
468 $w_cgrp tag conf g$cmit -background $bg
469 $w_line tag conf g$cmit -background $bg
470 $w_file tag conf g$cmit -background $bg
472 set order($cmit) $commit_count
474 lappend commit_list $cmit
476 } elseif {[string match {filename *} $line]} {
477 set file [string range $line 9 end]
479 set lno $r_final_line
482 if {[regexp {^0{40}$} $cmit]} {
484 set commit_type curr_commit
485 } elseif {$cmit eq $commit} {
487 set commit_type curr_commit
489 set commit_type prior_commit
490 set commit_abbr [string range $cmit 0 4]
495 catch {set a_name $header($cmit,author)}
496 while {$a_name ne {}} {
497 if {![regexp {^([[:upper:]])} $a_name _a]} break
498 append author_abbr $_a
501 {^[[:upper:]][^\s]*\s+} \
502 $a_name {} a_name ]} break
504 if {$author_abbr eq {}} {
507 set author_abbr [string range $author_abbr 0 3]
508 while {[string length $author_abbr] < 4} {
509 set author_abbr " $author_abbr"
516 ![catch {set ncmit $line_commit([expr {$first_lno - 1}])}]
517 && ![catch {set nfile $line_file([expr {$first_lno - 1}])}]
525 set lno_e "$lno.0 lineend + 1c"
526 if {![catch {set g g$line_commit($lno)}]} {
527 $w_cgrp tag remove g$g $lno.0 $lno_e
528 $w_line tag remove g$g $lno.0 $lno_e
529 $w_file tag remove g$g $lno.0 $lno_e
531 $w_cgrp tag remove a$g $lno.0 $lno_e
532 $w_line tag remove a$g $lno.0 $lno_e
533 $w_file tag remove a$g $lno.0 $lno_e
536 set line_commit($lno) $cmit
537 set line_file($lno) $file
539 $w_cgrp delete $lno.0 "$lno.0 lineend"
540 if {$lno == $first_lno} {
541 $w_cgrp insert $lno.0 $commit_abbr $commit_type
542 } elseif {$lno == [expr {$first_lno + 1}]} {
543 $w_cgrp insert $lno.0 $author_abbr
545 $w_cgrp insert $lno.0 { |}
548 $w_cgrp tag add g$cmit $lno.0 $lno_e
549 $w_line tag add g$cmit $lno.0 $lno_e
550 $w_file tag add g$cmit $lno.0 $lno_e
552 $w_cgrp tag add a$cmit $lno.0 $lno_e
553 $w_line tag add a$cmit $lno.0 $lno_e
554 $w_file tag add a$cmit $lno.0 $lno_e
556 if {$highlight_line == -1} {
557 if {[lindex [$w_file yview] 0] == 0} {
559 _showcommit $this $lno
561 } elseif {$highlight_line == $lno} {
562 _showcommit $this $lno
571 ![catch {set ncmit $line_commit($lno)}]
572 && ![catch {set nfile $line_file($lno)}]
576 $w_cgrp delete $lno.0 "$lno.0 lineend"
578 if {$lno == $first_lno} {
579 $w_cgrp insert $lno.0 $commit_abbr $commit_type
580 } elseif {$lno == [expr {$first_lno + 1}]} {
581 $w_cgrp insert $lno.0 $author_abbr
583 $w_cgrp insert $lno.0 { |}
588 } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
589 set header($r_commit,$key) $data
592 $w_cgrp conf -state disabled
597 set status {Annotation complete.}
602 } ifdeleted { catch {close $fd} }
605 set have $blame_lines
606 set total $total_lines
608 if {$total} {set pdone [expr {100 * $have / $total}]}
611 "Loading annotations... %i of %i lines annotated (%2i%%)" \
613 $w.status.c coords bar 0 0 $pdone 20
616 method _click {cur_w pos} {
617 set lno [lindex [split [$cur_w index $pos] .] 0]
618 if {$lno eq {}} return
619 _showcommit $this $lno
622 method _load_commit {pos} {
623 set lno [lindex [split [$w_cgrp index $pos] .] 0]
624 if {[catch {set cmit $line_commit($lno)}]} return
625 if {[catch {set file $line_file($lno) }]} return
632 method _showcommit {lno} {
634 variable active_color
636 if {$highlight_commit ne {}} {
637 set cmit $highlight_commit
638 $w_cgrp tag conf a$cmit -background {}
639 $w_line tag conf a$cmit -background {}
640 $w_file tag conf a$cmit -background {}
643 $w_cmit conf -state normal
644 $w_cmit delete 0.0 end
645 if {[catch {set cmit $line_commit($lno)}]} {
647 $w_cmit insert end "Loading annotation..."
649 $w_cgrp tag conf a$cmit -background $active_color
650 $w_line tag conf a$cmit -background $active_color
651 $w_file tag conf a$cmit -background $active_color
656 catch {set author_name $header($cmit,author)}
657 catch {set author_email $header($cmit,author-mail)}
658 catch {set author_time [clock format \
659 $header($cmit,author-time) \
660 -format {%Y-%m-%d %H:%M:%S}
663 set committer_name {}
664 set committer_email {}
665 set committer_time {}
666 catch {set committer_name $header($cmit,committer)}
667 catch {set committer_email $header($cmit,committer-mail)}
668 catch {set committer_time [clock format \
669 $header($cmit,committer-time) \
670 -format {%Y-%m-%d %H:%M:%S}
673 if {[catch {set msg $header($cmit,message)}]} {
676 set fd [open "| git cat-file commit $cmit" r]
677 fconfigure $fd -encoding binary -translation lf
678 if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
681 while {[gets $fd line] > 0} {
682 if {[string match {encoding *} $line]} {
683 set enc [string tolower [string range $line 9 end]]
686 set msg [encoding convertfrom $enc [read $fd]]
687 set msg [string trim $msg]
690 set author_name [encoding convertfrom $enc $author_name]
691 set committer_name [encoding convertfrom $enc $committer_name]
693 set header($cmit,author) $author_name
694 set header($cmit,committer) $committer_name
696 set header($cmit,message) $msg
699 $w_cmit insert end "commit $cmit\n" header_key
700 $w_cmit insert end "Author:\t" header_key
701 $w_cmit insert end "$author_name $author_email" header_val
702 $w_cmit insert end "$author_time\n" header_val
704 $w_cmit insert end "Committer:\t" header_key
705 $w_cmit insert end "$committer_name $committer_email" header_val
706 $w_cmit insert end "$committer_time\n" header_val
708 if {$line_file($lno) ne $path} {
709 $w_cmit insert end "Original File:\t" header_key
710 $w_cmit insert end "[escape_path $line_file($lno)]\n" header_val
713 $w_cmit insert end "\n$msg"
715 $w_cmit conf -state disabled
717 set highlight_line $lno
718 set highlight_commit $cmit
720 if {$highlight_commit eq $tooltip_commit} {
725 method _copycommit {} {
726 set pos @$::cursorX,$::cursorY
727 set lno [lindex [split [$::cursorW index $pos] .] 0]
728 if {![catch {set commit $line_commit($lno)}]} {
737 method _show_tooltip {cur_w pos} {
738 set lno [lindex [split [$cur_w index $pos] .] 0]
739 if {[catch {set cmit $line_commit($lno)}]} {
744 if {$cmit eq $highlight_commit} {
749 if {$cmit eq $tooltip_commit} {
750 _position_tooltip $this
751 } elseif {$tooltip_wm ne {}} {
752 _open_tooltip $this $cur_w
753 } elseif {$tooltip_timer eq {}} {
754 set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
758 method _open_tooltip {cur_w} {
760 set pos_x [winfo pointerx $cur_w]
761 set pos_y [winfo pointery $cur_w]
762 if {[winfo containing $pos_x $pos_y] ne $cur_w} {
767 set pos @[join [list \
768 [expr {$pos_x - [winfo rootx $cur_w]}] \
769 [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
770 set lno [lindex [split [$cur_w index $pos] .] 0]
771 set cmit $line_commit($lno)
776 catch {set author_name $header($cmit,author)}
777 catch {set author_email $header($cmit,author-mail)}
778 catch {set author_time [clock format \
779 $header($cmit,author-time) \
780 -format {%Y-%m-%d %H:%M:%S}
783 set committer_name {}
784 set committer_email {}
785 set committer_time {}
786 catch {set committer_name $header($cmit,committer)}
787 catch {set committer_email $header($cmit,committer-mail)}
788 catch {set committer_time [clock format \
789 $header($cmit,committer-time) \
790 -format {%Y-%m-%d %H:%M:%S}
794 catch {set summary $header($cmit,summary)}
796 set tooltip_commit $cmit
797 set tooltip_text "commit $cmit
798 $author_name $author_email $author_time
801 set file $line_file($lno)
802 if {$file ne $path} {
803 append tooltip_text "
805 Original File: $file"
808 if {$tooltip_wm ne "$cur_w.tooltip"} {
811 set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
812 wm overrideredirect $tooltip_wm 1
813 wm transient $tooltip_wm [winfo toplevel $cur_w]
814 pack [label $tooltip_wm.label \
815 -background lightyellow \
817 -textvariable @tooltip_text \
820 _position_tooltip $this
823 method _position_tooltip {} {
824 set req_w [winfo reqwidth $tooltip_wm.label]
825 set req_h [winfo reqheight $tooltip_wm.label]
826 set pos_x [expr {[winfo pointerx .] + 5}]
827 set pos_y [expr {[winfo pointery .] + 10}]
829 set g "${req_w}x${req_h}"
830 if {$pos_x >= 0} {append g +}
832 if {$pos_y >= 0} {append g +}
835 wm geometry $tooltip_wm $g
839 method _hide_tooltip {} {
840 if {$tooltip_wm ne {}} {
843 set tooltip_commit {}
845 if {$tooltip_timer ne {}} {
846 after cancel $tooltip_timer
851 method _resize {new_height} {
852 set diff [expr {$new_height - $old_height}]
853 if {$diff == 0} return
855 set my [expr {[winfo height $w.file_pane] - 25}]
856 set o [$w.file_pane sash coord 0]
858 set oy [expr {[lindex $o 1] + $diff}]
859 if {$oy < 0} {set oy 0}
860 if {$oy > $my} {set oy $my}
861 $w.file_pane sash place 0 $ox $oy
863 set old_height $new_height