diff options
Diffstat (limited to 'git-gui/lib/blame.tcl')
| -rw-r--r-- | git-gui/lib/blame.tcl | 416 |
1 files changed, 416 insertions, 0 deletions
diff --git a/git-gui/lib/blame.tcl b/git-gui/lib/blame.tcl new file mode 100644 index 0000000..8b032d9 --- /dev/null +++ b/git-gui/lib/blame.tcl @@ -0,0 +1,416 @@ +# git-gui blame viewer +# Copyright (C) 2006, 2007 Shawn Pearce + +class blame { + +field commit ; # input commit to blame +field path ; # input filename to view in $commit + +field w +field w_line +field w_load +field w_file +field w_cmit +field status + +field highlight_line -1 ; # current line selected +field highlight_commit {} ; # sha1 of commit selected + +field total_lines 0 ; # total length of file +field blame_lines 0 ; # number of lines computed +field commit_count 0 ; # number of commits in $commit_list +field commit_list {} ; # list of commit sha1 in receipt order +field order ; # array commit -> receipt order +field header ; # array commit,key -> header field +field line_commit ; # array line -> sha1 commit +field line_file ; # array line -> file name + +field r_commit ; # commit currently being parsed +field r_orig_line ; # original line number +field r_final_line ; # final line number +field r_line_count ; # lines in this region + +constructor new {i_commit i_path} { + set commit $i_commit + set path $i_path + + make_toplevel top w + wm title $top "[appname] ([reponame]): File Viewer" + set status "Loading $commit:$path..." + + label $w.path -text "$commit:$path" \ + -anchor w \ + -justify left \ + -borderwidth 1 \ + -relief sunken \ + -font font_uibold + pack $w.path -side top -fill x + + frame $w.out + text $w.out.loaded_t \ + -background white -borderwidth 0 \ + -state disabled \ + -wrap none \ + -height 40 \ + -width 1 \ + -font font_diff + $w.out.loaded_t tag conf annotated -background grey + + text $w.out.linenumber_t \ + -background white -borderwidth 0 \ + -state disabled \ + -wrap none \ + -height 40 \ + -width 5 \ + -font font_diff + $w.out.linenumber_t tag conf linenumber -justify right + + text $w.out.file_t \ + -background white -borderwidth 0 \ + -state disabled \ + -wrap none \ + -height 40 \ + -width 80 \ + -xscrollcommand [list $w.out.sbx set] \ + -font font_diff + + scrollbar $w.out.sbx -orient h -command [list $w.out.file_t xview] + scrollbar $w.out.sby -orient v \ + -command [list scrollbar2many [list \ + $w.out.loaded_t \ + $w.out.linenumber_t \ + $w.out.file_t \ + ] yview] + grid \ + $w.out.linenumber_t \ + $w.out.loaded_t \ + $w.out.file_t \ + $w.out.sby \ + -sticky nsew + grid conf $w.out.sbx -column 2 -sticky we + grid columnconfigure $w.out 2 -weight 1 + grid rowconfigure $w.out 0 -weight 1 + pack $w.out -fill both -expand 1 + + label $w.status \ + -textvariable @status \ + -anchor w \ + -justify left \ + -borderwidth 1 \ + -relief sunken + pack $w.status -side bottom -fill x + + frame $w.cm + text $w.cm.t \ + -background white -borderwidth 0 \ + -state disabled \ + -wrap none \ + -height 10 \ + -width 80 \ + -xscrollcommand [list $w.cm.sbx set] \ + -yscrollcommand [list $w.cm.sby set] \ + -font font_diff + scrollbar $w.cm.sbx -orient h -command [list $w.cm.t xview] + scrollbar $w.cm.sby -orient v -command [list $w.cm.t yview] + pack $w.cm.sby -side right -fill y + pack $w.cm.sbx -side bottom -fill x + pack $w.cm.t -expand 1 -fill both + pack $w.cm -side bottom -fill x + + menu $w.ctxm -tearoff 0 + $w.ctxm add command \ + -label "Copy Commit" \ + -command [cb _copycommit] + + set w_line $w.out.linenumber_t + set w_load $w.out.loaded_t + set w_file $w.out.file_t + set w_cmit $w.cm.t + + foreach i [list \ + $w.out.loaded_t \ + $w.out.linenumber_t \ + $w.out.file_t] { + $i tag conf in_sel \ + -background [$i cget -foreground] \ + -foreground [$i cget -background] + $i conf -yscrollcommand \ + [list many2scrollbar [list \ + $w.out.loaded_t \ + $w.out.linenumber_t \ + $w.out.file_t \ + ] yview $w.out.sby] + bind $i <Button-1> "[cb _click $i @%x,%y]; focus $i" + bind_button3 $i " + set cursorX %x + set cursorY %y + set cursorW %W + tk_popup $w.ctxm %X %Y + " + } + + foreach i [list \ + $w.out.loaded_t \ + $w.out.linenumber_t \ + $w.out.file_t \ + $w.cm.t] { + bind $i <Key-Up> {catch {%W yview scroll -1 units};break} + bind $i <Key-Down> {catch {%W yview scroll 1 units};break} + bind $i <Key-Left> {catch {%W xview scroll -1 units};break} + bind $i <Key-Right> {catch {%W xview scroll 1 units};break} + bind $i <Key-k> {catch {%W yview scroll -1 units};break} + bind $i <Key-j> {catch {%W yview scroll 1 units};break} + bind $i <Key-h> {catch {%W xview scroll -1 units};break} + bind $i <Key-l> {catch {%W xview scroll 1 units};break} + bind $i <Control-Key-b> {catch {%W yview scroll -1 pages};break} + bind $i <Control-Key-f> {catch {%W yview scroll 1 pages};break} + } + + bind $w.cm.t <Button-1> [list focus $w.cm.t] + bind $top <Visibility> [list focus $top] + bind $top <Destroy> [list delete_this $this] + + if {$commit eq {}} { + set fd [open $path r] + } else { + set cmd [list git cat-file blob "$commit:$path"] + set fd [open "| $cmd" r] + } + fconfigure $fd -blocking 0 -translation lf -encoding binary + fileevent $fd readable [cb _read_file $fd] +} + +method _read_file {fd} { + $w_load conf -state normal + $w_line conf -state normal + $w_file conf -state normal + while {[gets $fd line] >= 0} { + regsub "\r\$" $line {} line + incr total_lines + $w_load insert end "\n" + $w_line insert end "$total_lines\n" linenumber + $w_file insert end "$line\n" + } + $w_load conf -state disabled + $w_line conf -state disabled + $w_file conf -state disabled + + if {[eof $fd]} { + close $fd + _status $this + set cmd [list git blame -M -C --incremental] + if {$commit eq {}} { + lappend cmd --contents $path + } else { + lappend cmd $commit + } + lappend cmd -- $path + set fd [open "| $cmd" r] + fconfigure $fd -blocking 0 -translation lf -encoding binary + fileevent $fd readable [cb _read_blame $fd] + } +} ifdeleted { catch {close $fd} } + +method _read_blame {fd} { + while {[gets $fd line] >= 0} { + if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \ + cmit original_line final_line line_count]} { + set r_commit $cmit + set r_orig_line $original_line + set r_final_line $final_line + set r_line_count $line_count + + if {[catch {set g $order($cmit)}]} { + $w_line tag conf g$cmit + $w_file tag conf g$cmit + $w_line tag raise in_sel + $w_file tag raise in_sel + $w_file tag raise sel + set order($cmit) $commit_count + incr commit_count + lappend commit_list $cmit + } + } elseif {[string match {filename *} $line]} { + set file [string range $line 9 end] + set n $r_line_count + set lno $r_final_line + set cmit $r_commit + + while {$n > 0} { + set lno_e "$lno.0 lineend + 1c" + if {[catch {set g g$line_commit($lno)}]} { + $w_load tag add annotated $lno.0 $lno_e + } else { + $w_line tag remove g$g $lno.0 $lno_e + $w_file tag remove g$g $lno.0 $lno_e + } + + set line_commit($lno) $cmit + set line_file($lno) $file + $w_line tag add g$cmit $lno.0 $lno_e + $w_file tag add g$cmit $lno.0 $lno_e + + if {$highlight_line == -1} { + if {[lindex [$w_file yview] 0] == 0} { + $w_file see $lno.0 + _showcommit $this $lno + } + } elseif {$highlight_line == $lno} { + _showcommit $this $lno + } + + incr n -1 + incr lno + incr blame_lines + } + + set hc $highlight_commit + if {$hc ne {} + && [expr {$order($hc) + 1}] == $order($cmit)} { + _showcommit $this $highlight_line + } + } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} { + set header($r_commit,$key) $data + } + } + + if {[eof $fd]} { + close $fd + set status {Annotation complete.} + } else { + _status $this + } +} ifdeleted { catch {close $fd} } + +method _status {} { + set have $blame_lines + set total $total_lines + set pdone 0 + if {$total} {set pdone [expr {100 * $have / $total}]} + + set status [format \ + "Loading annotations... %i of %i lines annotated (%2i%%)" \ + $have $total $pdone] +} + +method _click {cur_w pos} { + set lno [lindex [split [$cur_w index $pos] .] 0] + if {$lno eq {}} return + + set lno_e "$lno.0 + 1 line" + $w_line tag remove in_sel 0.0 end + $w_file tag remove in_sel 0.0 end + $w_line tag add in_sel $lno.0 $lno_e + $w_file tag add in_sel $lno.0 $lno_e + + _showcommit $this $lno +} + +variable blame_colors { + #ff4040 + #ff40ff + #4040ff +} + +method _showcommit {lno} { + global repo_config + variable blame_colors + + if {$highlight_commit ne {}} { + set idx $order($highlight_commit) + set i 0 + foreach c $blame_colors { + set h [lindex $commit_list [expr {$idx - 1 + $i}]] + $w_line tag conf g$h -background white + $w_file tag conf g$h -background white + incr i + } + } + + $w_cmit conf -state normal + $w_cmit delete 0.0 end + if {[catch {set cmit $line_commit($lno)}]} { + set cmit {} + $w_cmit insert end "Loading annotation..." + } else { + set idx $order($cmit) + set i 0 + foreach c $blame_colors { + set h [lindex $commit_list [expr {$idx - 1 + $i}]] + $w_line tag conf g$h -background $c + $w_file tag conf g$h -background $c + incr i + } + + set author_name {} + set author_email {} + set author_time {} + catch {set author_name $header($cmit,author)} + catch {set author_email $header($cmit,author-mail)} + catch {set author_time [clock format \ + $header($cmit,author-time) \ + -format {%Y-%m-%d %H:%M:%S} + ]} + + set committer_name {} + set committer_email {} + set committer_time {} + catch {set committer_name $header($cmit,committer)} + catch {set committer_email $header($cmit,committer-mail)} + catch {set committer_time [clock format \ + $header($cmit,committer-time) \ + -format {%Y-%m-%d %H:%M:%S} + ]} + + if {[catch {set msg $header($cmit,message)}]} { + set msg {} + catch { + set fd [open "| git cat-file commit $cmit" r] + fconfigure $fd -encoding binary -translation lf + if {[catch {set enc $repo_config(i18n.commitencoding)}]} { + set enc utf-8 + } + while {[gets $fd line] > 0} { + if {[string match {encoding *} $line]} { + set enc [string tolower [string range $line 9 end]] + } + } + set msg [encoding convertfrom $enc [read $fd]] + set msg [string trim $msg] + close $fd + + set author_name [encoding convertfrom $enc $author_name] + set committer_name [encoding convertfrom $enc $committer_name] + + set header($cmit,author) $author_name + set header($cmit,committer) $committer_name + } + set header($cmit,message) $msg + } + + $w_cmit insert end "commit $cmit +Author: $author_name $author_email $author_time +Committer: $committer_name $committer_email $committer_time +Original File: [escape_path $line_file($lno)] + +$msg" + } + $w_cmit conf -state disabled + + set highlight_line $lno + set highlight_commit $cmit +} + +method _copycommit {} { + set pos @$::cursorX,$::cursorY + set lno [lindex [split [$::cursorW index $pos] .] 0] + if {![catch {set commit $line_commit($lno)}]} { + clipboard clear + clipboard append \ + -format STRING \ + -type STRING \ + -- $commit + } +} + +} |