diff options
Diffstat (limited to 'lib/blame.tcl')
| -rw-r--r-- | lib/blame.tcl | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/lib/blame.tcl b/lib/blame.tcl new file mode 100644 index 0000000..c276fa9 --- /dev/null +++ b/lib/blame.tcl @@ -0,0 +1,390 @@ +# git-gui blame viewer +# Copyright (C) 2006, 2007 Shawn Pearce + +proc show_blame {commit path} { + global next_browser_id blame_status blame_data + + if {[winfo ismapped .]} { + set w .browser[incr next_browser_id] + set tl $w + toplevel $w + } else { + set w {} + set tl . + } + set blame_status($w) {Loading current file content...} + + 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 $w.status -textvariable blame_status($w) \ + -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 "blame_copycommit $w \$cursorW @\$cursorX,\$cursorY" + + 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 $i <Button-1> " + blame_click {$w} \\ + $w.cm.t \\ + $w.out.linenumber_t \\ + $w.out.file_t \\ + $i @%x,%y + focus $i + " + bind_button3 $i " + set cursorX %x + set cursorY %y + set cursorW %W + tk_popup $w.ctxm %X %Y + " + } + + bind $w.cm.t <Button-1> "focus $w.cm.t" + bind $tl <Visibility> "focus $tl" + bind $tl <Destroy> " + array unset blame_status {$w} + array unset blame_data $w,* + " + wm title $tl "[appname] ([reponame]): File Viewer" + + set blame_data($w,commit_count) 0 + set blame_data($w,commit_list) {} + set blame_data($w,total_lines) 0 + set blame_data($w,blame_lines) 0 + set blame_data($w,highlight_commit) {} + set blame_data($w,highlight_line) -1 + + set cmd [list git cat-file blob "$commit:$path"] + set fd [open "| $cmd" r] + fconfigure $fd -blocking 0 -translation lf -encoding binary + fileevent $fd readable [list read_blame_catfile \ + $fd $w $commit $path \ + $w.cm.t $w.out.loaded_t $w.out.linenumber_t $w.out.file_t] +} + +proc read_blame_catfile {fd w commit path w_cmit w_load w_line w_file} { + global blame_status blame_data + + if {![winfo exists $w_file]} { + catch {close $fd} + return + } + + set n $blame_data($w,total_lines) + $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 n + $w_load insert end "\n" + $w_line insert end "$n\n" linenumber + $w_file insert end "$line\n" + } + $w_load conf -state disabled + $w_line conf -state disabled + $w_file conf -state disabled + set blame_data($w,total_lines) $n + + if {[eof $fd]} { + close $fd + blame_incremental_status $w + set cmd [list git blame -M -C --incremental] + lappend cmd $commit -- $path + set fd [open "| $cmd" r] + fconfigure $fd -blocking 0 -translation lf -encoding binary + fileevent $fd readable [list read_blame_incremental $fd $w \ + $w_load $w_cmit $w_line $w_file] + } +} + +proc read_blame_incremental {fd w w_load w_cmit w_line w_file} { + global blame_status blame_data + + if {![winfo exists $w_file]} { + catch {close $fd} + return + } + + while {[gets $fd line] >= 0} { + if {[regexp {^([a-z0-9]{40}) (\d+) (\d+) (\d+)$} $line line \ + cmit original_line final_line line_count]} { + set blame_data($w,commit) $cmit + set blame_data($w,original_line) $original_line + set blame_data($w,final_line) $final_line + set blame_data($w,line_count) $line_count + + if {[catch {set g $blame_data($w,$cmit,order)}]} { + $w_line tag conf g$cmit + $w_file tag conf g$cmit + $w_line tag raise in_sel + $w_file tag raise in_sel + $w_file tag raise sel + set blame_data($w,$cmit,order) $blame_data($w,commit_count) + incr blame_data($w,commit_count) + lappend blame_data($w,commit_list) $cmit + } + } elseif {[string match {filename *} $line]} { + set file [string range $line 9 end] + set n $blame_data($w,line_count) + set lno $blame_data($w,final_line) + set cmit $blame_data($w,commit) + + while {$n > 0} { + if {[catch {set g g$blame_data($w,line$lno,commit)}]} { + $w_load tag add annotated $lno.0 "$lno.0 lineend + 1c" + } else { + $w_line tag remove g$g $lno.0 "$lno.0 lineend + 1c" + $w_file tag remove g$g $lno.0 "$lno.0 lineend + 1c" + } + + set blame_data($w,line$lno,commit) $cmit + set blame_data($w,line$lno,file) $file + $w_line tag add g$cmit $lno.0 "$lno.0 lineend + 1c" + $w_file tag add g$cmit $lno.0 "$lno.0 lineend + 1c" + + if {$blame_data($w,highlight_line) == -1} { + if {[lindex [$w_file yview] 0] == 0} { + $w_file see $lno.0 + blame_showcommit $w $w_cmit $w_line $w_file $lno + } + } elseif {$blame_data($w,highlight_line) == $lno} { + blame_showcommit $w $w_cmit $w_line $w_file $lno + } + + incr n -1 + incr lno + incr blame_data($w,blame_lines) + } + + set hc $blame_data($w,highlight_commit) + if {$hc ne {} + && [expr {$blame_data($w,$hc,order) + 1}] + == $blame_data($w,$cmit,order)} { + blame_showcommit $w $w_cmit $w_line $w_file \ + $blame_data($w,highlight_line) + } + } elseif {[regexp {^([a-z-]+) (.*)$} $line line header data]} { + set blame_data($w,$blame_data($w,commit),$header) $data + } + } + + if {[eof $fd]} { + close $fd + set blame_status($w) {Annotation complete.} + } else { + blame_incremental_status $w + } +} + +proc blame_incremental_status {w} { + global blame_status blame_data + + set have $blame_data($w,blame_lines) + set total $blame_data($w,total_lines) + set pdone 0 + if {$total} {set pdone [expr {100 * $have / $total}]} + + set blame_status($w) [format \ + "Loading annotations... %i of %i lines annotated (%2i%%)" \ + $have $total $pdone] +} + +proc blame_click {w w_cmit w_line w_file cur_w pos} { + set lno [lindex [split [$cur_w index $pos] .] 0] + if {$lno eq {}} return + + $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.0 + 1 line" + $w_file tag add in_sel $lno.0 "$lno.0 + 1 line" + + blame_showcommit $w $w_cmit $w_line $w_file $lno +} + +set blame_colors { + #ff4040 + #ff40ff + #4040ff +} + +proc blame_showcommit {w w_cmit w_line w_file lno} { + global blame_colors blame_data repo_config + + set cmit $blame_data($w,highlight_commit) + if {$cmit ne {}} { + set idx $blame_data($w,$cmit,order) + set i 0 + foreach c $blame_colors { + set h [lindex $blame_data($w,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 $blame_data($w,line$lno,commit)}]} { + set cmit {} + $w_cmit insert end "Loading annotation..." + } else { + set idx $blame_data($w,$cmit,order) + set i 0 + foreach c $blame_colors { + set h [lindex $blame_data($w,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 $blame_data($w,$cmit,author)} + catch {set author_email $blame_data($w,$cmit,author-mail)} + catch {set author_time [clock format $blame_data($w,$cmit,author-time)]} + + set committer_name {} + set committer_email {} + set committer_time {} + catch {set committer_name $blame_data($w,$cmit,committer)} + catch {set committer_email $blame_data($w,$cmit,committer-mail)} + catch {set committer_time [clock format $blame_data($w,$cmit,committer-time)]} + + if {[catch {set msg $blame_data($w,$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 $committer_name] + + set blame_data($w,$cmit,author) $author_name + set blame_data($w,$cmit,committer) $committer_name + } + set blame_data($w,$cmit,message) $msg + } + + $w_cmit insert end "commit $cmit\n" + $w_cmit insert end "Author: $author_name $author_email $author_time\n" + $w_cmit insert end "Committer: $committer_name $committer_email $committer_time\n" + $w_cmit insert end "Original File: [escape_path $blame_data($w,line$lno,file)]\n" + $w_cmit insert end "\n" + $w_cmit insert end $msg + } + $w_cmit conf -state disabled + + set blame_data($w,highlight_line) $lno + set blame_data($w,highlight_commit) $cmit +} + +proc blame_copycommit {w i pos} { + global blame_data + set lno [lindex [split [$i index $pos] .] 0] + if {![catch {set commit $blame_data($w,line$lno,commit)}]} { + clipboard clear + clipboard append \ + -format STRING \ + -type STRING \ + -- $commit + } +} |