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-rw-r--r--git-gui/lib/blame.tcl1363
1 files changed, 1363 insertions, 0 deletions
diff --git a/git-gui/lib/blame.tcl b/git-gui/lib/blame.tcl
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--- /dev/null
+++ b/git-gui/lib/blame.tcl
@@ -0,0 +1,1363 @@
+# git-gui blame viewer
+# Copyright (C) 2006, 2007 Shawn Pearce
+
+class blame {
+
+image create photo ::blame::img_back_arrow -data {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}
+
+# Persistent data (survives loads)
+#
+field history {}; # viewer history: {commit path}
+field header ; # array commit,key -> header field
+
+# Tk UI control paths
+#
+field w ; # top window in this viewer
+field w_back ; # our back button
+field w_path ; # label showing the current file path
+field w_columns ; # list of all column widgets in the viewer
+field w_line ; # text column: all line numbers
+field w_amov ; # text column: annotations + move tracking
+field w_asim ; # text column: annotations (simple computation)
+field w_file ; # text column: actual file data
+field w_cviewer ; # pane showing commit message
+field finder ; # find mini-dialog frame
+field gotoline ; # line goto mini-dialog frame
+field status ; # status mega-widget instance
+field old_height ; # last known height of $w.file_pane
+
+
+# Tk UI colors
+#
+variable active_color #c0edc5
+variable group_colors {
+ #d6d6d6
+ #e1e1e1
+ #ececec
+}
+
+# Current blame data; cleared/reset on each load
+#
+field commit ; # input commit to blame
+field path ; # input filename to view in $commit
+
+field current_fd {} ; # background process running
+field highlight_line -1 ; # current line selected
+field highlight_column {} ; # current commit column 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 amov_data ; # list of {commit origfile origline}
+field asim_data ; # list of {commit origfile origline}
+
+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
+
+field tooltip_wm {} ; # Current tooltip toplevel, if open
+field tooltip_t {} ; # Text widget in $tooltip_wm
+field tooltip_timer {} ; # Current timer event for our tooltip
+field tooltip_commit {} ; # Commit(s) in tooltip
+
+constructor new {i_commit i_path i_jump} {
+ global cursor_ptr M1B M1T have_tk85 use_ttk NS
+ variable active_color
+ variable group_colors
+
+ set commit $i_commit
+ set path $i_path
+
+ make_toplevel top w
+ wm title $top [append "[appname] ([reponame]): " [mc "File Viewer"]]
+
+ set font_w [font measure font_diff "0"]
+
+ gold_frame $w.header
+ tlabel $w.header.commit_l \
+ -text [mc "Commit:"] \
+ -background gold \
+ -foreground black \
+ -anchor w \
+ -justify left
+ set w_back $w.header.commit_b
+ tlabel $w_back \
+ -image ::blame::img_back_arrow \
+ -borderwidth 0 \
+ -relief flat \
+ -state disabled \
+ -background gold \
+ -foreground black \
+ -activebackground gold
+ bind $w_back <Button-1> "
+ if {\[$w_back cget -state\] eq {normal}} {
+ [cb _history_menu]
+ }
+ "
+ tlabel $w.header.commit \
+ -textvariable @commit \
+ -background gold \
+ -foreground black \
+ -anchor w \
+ -justify left
+ tlabel $w.header.path_l \
+ -text [mc "File:"] \
+ -background gold \
+ -foreground black \
+ -anchor w \
+ -justify left
+ set w_path $w.header.path
+ tlabel $w_path \
+ -background gold \
+ -foreground black \
+ -anchor w \
+ -justify left
+ pack $w.header.commit_l -side left
+ pack $w_back -side left
+ pack $w.header.commit -side left
+ pack $w_path -fill x -side right
+ pack $w.header.path_l -side right
+
+ panedwindow $w.file_pane -orient vertical -borderwidth 0 -sashwidth 3
+ frame $w.file_pane.out -relief flat -borderwidth 1
+ frame $w.file_pane.cm -relief sunken -borderwidth 1
+ $w.file_pane add $w.file_pane.out \
+ -sticky nsew \
+ -minsize 100 \
+ -height 100 \
+ -width 100
+ $w.file_pane add $w.file_pane.cm \
+ -sticky nsew \
+ -minsize 25 \
+ -height 25 \
+ -width 100
+
+ set w_line $w.file_pane.out.linenumber_t
+ text $w_line \
+ -takefocus 0 \
+ -highlightthickness 0 \
+ -padx 0 -pady 0 \
+ -background white \
+ -foreground black \
+ -borderwidth 0 \
+ -state disabled \
+ -wrap none \
+ -height 40 \
+ -width 6 \
+ -font font_diff
+ $w_line tag conf linenumber -justify right -rmargin 5
+
+ set w_amov $w.file_pane.out.amove_t
+ text $w_amov \
+ -takefocus 0 \
+ -highlightthickness 0 \
+ -padx 0 -pady 0 \
+ -background white \
+ -foreground black \
+ -borderwidth 0 \
+ -state disabled \
+ -wrap none \
+ -height 40 \
+ -width 5 \
+ -font font_diff
+ $w_amov tag conf author_abbr -justify right -rmargin 5
+ $w_amov tag conf curr_commit
+ $w_amov tag conf prior_commit -foreground blue -underline 1
+ $w_amov tag bind prior_commit \
+ <Button-1> \
+ "[cb _load_commit $w_amov @amov_data @%x,%y];break"
+
+ set w_asim $w.file_pane.out.asimple_t
+ text $w_asim \
+ -takefocus 0 \
+ -highlightthickness 0 \
+ -padx 0 -pady 0 \
+ -background white \
+ -foreground black \
+ -borderwidth 0 \
+ -state disabled \
+ -wrap none \
+ -height 40 \
+ -width 4 \
+ -font font_diff
+ $w_asim tag conf author_abbr -justify right
+ $w_asim tag conf curr_commit
+ $w_asim tag conf prior_commit -foreground blue -underline 1
+ $w_asim tag bind prior_commit \
+ <Button-1> \
+ "[cb _load_commit $w_asim @asim_data @%x,%y];break"
+
+ set w_file $w.file_pane.out.file_t
+ text $w_file \
+ -takefocus 0 \
+ -highlightthickness 0 \
+ -padx 0 -pady 0 \
+ -background white \
+ -foreground black \
+ -borderwidth 0 \
+ -state disabled \
+ -wrap none \
+ -height 40 \
+ -width 80 \
+ -xscrollcommand [list $w.file_pane.out.sbx set] \
+ -font font_diff
+ if {$have_tk85} {
+ $w_file configure -inactiveselectbackground darkblue
+ }
+ $w_file tag conf found \
+ -background yellow
+
+ set w_columns [list $w_amov $w_asim $w_line $w_file]
+
+ ${NS}::scrollbar $w.file_pane.out.sbx \
+ -orient h \
+ -command [list $w_file xview]
+ ${NS}::scrollbar $w.file_pane.out.sby \
+ -orient v \
+ -command [list scrollbar2many $w_columns yview]
+ eval grid $w_columns $w.file_pane.out.sby -sticky nsew
+ grid conf \
+ $w.file_pane.out.sbx \
+ -column 0 \
+ -columnspan [expr {[llength $w_columns] + 1}] \
+ -sticky we
+ grid columnconfigure \
+ $w.file_pane.out \
+ [expr {[llength $w_columns] - 1}] \
+ -weight 1
+ grid rowconfigure $w.file_pane.out 0 -weight 1
+
+ set finder [::searchbar::new \
+ $w.file_pane.out.ff $w_file \
+ -column 0 \
+ -columnspan [expr {[llength $w_columns] + 1}] \
+ ]
+
+ set gotoline [::linebar::new \
+ $w.file_pane.out.lf $w_file \
+ -column 0 \
+ -columnspan [expr {[llength $w_columns] + 1}] \
+ ]
+
+ set w_cviewer $w.file_pane.cm.t
+ text $w_cviewer \
+ -background white \
+ -foreground black \
+ -borderwidth 0 \
+ -state disabled \
+ -wrap none \
+ -height 10 \
+ -width 80 \
+ -xscrollcommand [list $w.file_pane.cm.sbx set] \
+ -yscrollcommand [list $w.file_pane.cm.sby set] \
+ -font font_diff
+ $w_cviewer tag conf still_loading \
+ -font font_uiitalic \
+ -justify center
+ $w_cviewer tag conf header_key \
+ -tabs {3c} \
+ -background $active_color \
+ -font font_uibold
+ $w_cviewer tag conf header_val \
+ -background $active_color \
+ -font font_ui
+ $w_cviewer tag raise sel
+ ${NS}::scrollbar $w.file_pane.cm.sbx \
+ -orient h \
+ -command [list $w_cviewer xview]
+ ${NS}::scrollbar $w.file_pane.cm.sby \
+ -orient v \
+ -command [list $w_cviewer yview]
+ pack $w.file_pane.cm.sby -side right -fill y
+ pack $w.file_pane.cm.sbx -side bottom -fill x
+ pack $w_cviewer -expand 1 -fill both
+
+ set status [::status_bar::new $w.status]
+
+ menu $w.ctxm -tearoff 0
+ $w.ctxm add command \
+ -label [mc "Copy Commit"] \
+ -command [cb _copycommit]
+ $w.ctxm add separator
+ $w.ctxm add command \
+ -label [mc "Find Text..."] \
+ -accelerator F7 \
+ -command [cb _show_finder]
+ $w.ctxm add command \
+ -label [mc "Goto Line..."] \
+ -accelerator "Ctrl-G" \
+ -command [cb _show_linebar]
+ menu $w.ctxm.enc
+ build_encoding_menu $w.ctxm.enc [cb _setencoding]
+ $w.ctxm add cascade \
+ -label [mc "Encoding"] \
+ -menu $w.ctxm.enc
+ $w.ctxm add command \
+ -label [mc "Do Full Copy Detection"] \
+ -command [cb _fullcopyblame]
+ $w.ctxm add separator
+ $w.ctxm add command \
+ -label [mc "Show History Context"] \
+ -command [cb _gitkcommit]
+ $w.ctxm add command \
+ -label [mc "Blame Parent Commit"] \
+ -command [cb _blameparent]
+
+ foreach i $w_columns {
+ for {set g 0} {$g < [llength $group_colors]} {incr g} {
+ $i tag conf color$g -background [lindex $group_colors $g]
+ }
+
+ if {$i eq $w_file} {
+ $w_file tag raise found
+ }
+ $i tag raise sel
+
+ $i conf -cursor $cursor_ptr
+ $i conf -yscrollcommand \
+ "[list ::searchbar::scrolled $finder]
+ [list many2scrollbar $w_columns yview $w.file_pane.out.sby]"
+ bind $i <Button-1> "
+ [cb _hide_tooltip]
+ [cb _click $i @%x,%y]
+ focus $i
+ "
+ bind $i <Any-Motion> [cb _show_tooltip $i @%x,%y]
+ bind $i <Any-Enter> [cb _hide_tooltip]
+ bind $i <Any-Leave> [cb _hide_tooltip]
+ bind_button3 $i "
+ [cb _hide_tooltip]
+ set cursorX %x
+ set cursorY %y
+ set cursorW %W
+ tk_popup $w.ctxm %X %Y
+ "
+ bind $i <Shift-Tab> "[list focus $w_cviewer];break"
+ bind $i <Tab> "[cb _focus_search $w_cviewer];break"
+ }
+
+ foreach i [concat $w_columns $w_cviewer] {
+ 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_cviewer <Shift-Tab> "[cb _focus_search $w_file];break"
+ bind $w_cviewer <Tab> "[list focus $w_file];break"
+ bind $w_cviewer <Button-1> [list focus $w_cviewer]
+ bind $w_file <Visibility> [cb _focus_search $w_file]
+ bind $top <F7> [cb _show_finder]
+ bind $top <Key-slash> [cb _show_finder]
+ bind $top <Control-Key-s> [cb _show_finder]
+ bind $top <Escape> [list searchbar::hide $finder]
+ bind $top <F3> [list searchbar::find_next $finder]
+ bind $top <Shift-F3> [list searchbar::find_prev $finder]
+ bind $top <Control-Key-g> [cb _show_linebar]
+ catch { bind $top <Shift-Key-XF86_Switch_VT_3> [list searchbar::find_prev $finder] }
+
+ grid configure $w.header -sticky ew
+ grid configure $w.file_pane -sticky nsew
+ grid configure $w.status -sticky ew
+ grid columnconfigure $top 0 -weight 1
+ grid rowconfigure $top 0 -weight 0
+ grid rowconfigure $top 1 -weight 1
+ grid rowconfigure $top 2 -weight 0
+
+ set req_w [winfo reqwidth $top]
+ set req_h [winfo reqheight $top]
+ set scr_w [expr {[winfo screenwidth $top] - 40}]
+ set scr_h [expr {[winfo screenheight $top] - 120}]
+ set opt_w [expr {$font_w * (80 + 5*3 + 3)}]
+ if {$req_w < $opt_w} {set req_w $opt_w}
+ if {$req_w > $scr_w} {set req_w $scr_w}
+ set opt_h [expr {$req_w*4/3}]
+ if {$req_h < $scr_h} {set req_h $scr_h}
+ if {$req_h > $opt_h} {set req_h $opt_h}
+ set g "${req_w}x${req_h}"
+ wm geometry $top $g
+ update
+
+ set old_height [winfo height $w.file_pane]
+ $w.file_pane sash place 0 \
+ [lindex [$w.file_pane sash coord 0] 0] \
+ [expr {int($old_height * 0.80)}]
+ bind $w.file_pane <Configure> \
+ "if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
+
+ wm protocol $top WM_DELETE_WINDOW "destroy $top"
+ bind $top <Destroy> [cb _handle_destroy %W]
+
+ _load $this $i_jump
+}
+
+method _focus_search {win} {
+ if {[searchbar::visible $finder]} {
+ focus [searchbar::editor $finder]
+ } else {
+ focus $win
+ }
+}
+
+method _handle_destroy {win} {
+ if {$win eq $w} {
+ _kill $this
+ delete_this
+ }
+}
+
+method _kill {} {
+ if {$current_fd ne {}} {
+ kill_file_process $current_fd
+ catch {close $current_fd}
+ set current_fd {}
+ }
+}
+
+method _load {jump} {
+ variable group_colors
+
+ _hide_tooltip $this
+
+ if {$total_lines != 0 || $current_fd ne {}} {
+ _kill $this
+
+ foreach i $w_columns {
+ $i conf -state normal
+ $i delete 0.0 end
+ foreach g [$i tag names] {
+ if {[regexp {^g[0-9a-f]{40}$} $g]} {
+ $i tag delete $g
+ }
+ }
+ $i conf -state disabled
+ }
+
+ $w_cviewer conf -state normal
+ $w_cviewer delete 0.0 end
+ $w_cviewer conf -state disabled
+
+ set highlight_line -1
+ set highlight_column {}
+ set highlight_commit {}
+ set total_lines 0
+ }
+
+ if {$history eq {}} {
+ $w_back conf -state disabled
+ } else {
+ $w_back conf -state normal
+ }
+
+ # Index 0 is always empty. There is never line 0 as
+ # we use only 1 based lines, as that matches both with
+ # git-blame output and with Tk's text widget.
+ #
+ set amov_data [list [list]]
+ set asim_data [list [list]]
+
+ $status show [mc "Reading %s..." "$commit:[escape_path $path]"]
+ $w_path conf -text [escape_path $path]
+
+ set do_textconv 0
+ if {![is_config_false gui.textconv] && [git-version >= 1.7.2]} {
+ set filter [gitattr $path diff set]
+ set textconv [get_config [join [list diff $filter textconv] .]]
+ if {$filter ne {set} && $textconv ne {}} {
+ set do_textconv 1
+ }
+ }
+ if {$commit eq {}} {
+ if {$do_textconv ne 0} {
+ set fd [open_cmd_pipe $textconv $path]
+ } else {
+ set fd [open $path r]
+ }
+ fconfigure $fd -eofchar {}
+ } else {
+ if {$do_textconv ne 0} {
+ set fd [git_read cat-file --textconv "$commit:$path"]
+ } else {
+ set fd [git_read cat-file blob "$commit:$path"]
+ }
+ }
+ fconfigure $fd \
+ -blocking 0 \
+ -translation lf \
+ -encoding [get_path_encoding $path]
+ fileevent $fd readable [cb _read_file $fd $jump]
+ set current_fd $fd
+}
+
+method _history_menu {} {
+ set m $w.backmenu
+ if {[winfo exists $m]} {
+ $m delete 0 end
+ } else {
+ menu $m -tearoff 0
+ }
+
+ for {set i [expr {[llength $history] - 1}]
+ } {$i >= 0} {incr i -1} {
+ set e [lindex $history $i]
+ set c [lindex $e 0]
+ set f [lindex $e 1]
+
+ if {[regexp {^[0-9a-f]{40}$} $c]} {
+ set t [string range $c 0 8]...
+ } elseif {$c eq {}} {
+ set t {Working Directory}
+ } else {
+ set t $c
+ }
+ if {![catch {set summary $header($c,summary)}]} {
+ append t " $summary"
+ if {[string length $t] > 70} {
+ set t [string range $t 0 66]...
+ }
+ }
+
+ $m add command -label $t -command [cb _goback $i]
+ }
+ set X [winfo rootx $w_back]
+ set Y [expr {[winfo rooty $w_back] + [winfo height $w_back]}]
+ tk_popup $m $X $Y
+}
+
+method _goback {i} {
+ set dat [lindex $history $i]
+ set history [lrange $history 0 [expr {$i - 1}]]
+ set commit [lindex $dat 0]
+ set path [lindex $dat 1]
+ _load $this [lrange $dat 2 5]
+}
+
+method _read_file {fd jump} {
+ if {$fd ne $current_fd} {
+ catch {close $fd}
+ return
+ }
+
+ foreach i $w_columns {$i conf -state normal}
+ while {[gets $fd line] >= 0} {
+ regsub "\r\$" $line {} line
+ incr total_lines
+ lappend amov_data {}
+ lappend asim_data {}
+
+ if {$total_lines > 1} {
+ foreach i $w_columns {$i insert end "\n"}
+ }
+
+ $w_line insert end "$total_lines" linenumber
+ $w_file insert end "$line"
+ }
+
+ set ln_wc [expr {[string length $total_lines] + 2}]
+ if {[$w_line cget -width] < $ln_wc} {
+ $w_line conf -width $ln_wc
+ }
+
+ foreach i $w_columns {$i conf -state disabled}
+
+ if {[eof $fd]} {
+ fconfigure $fd -blocking 1; # enable error reporting on close
+ if {[catch {close $fd} err]} {
+ tk_messageBox -icon error -title [mc Error] \
+ -message $err
+ }
+
+ # If we don't force Tk to update the widgets *right now*
+ # none of our jump commands will cause a change in the UI.
+ #
+ update
+
+ if {[llength $jump] == 1} {
+ set highlight_line [lindex $jump 0]
+ $w_file see "$highlight_line.0"
+ } elseif {[llength $jump] == 4} {
+ set highlight_column [lindex $jump 0]
+ set highlight_line [lindex $jump 1]
+ $w_file xview moveto [lindex $jump 2]
+ $w_file yview moveto [lindex $jump 3]
+ }
+
+ _exec_blame $this $w_asim @asim_data \
+ [list] \
+ [mc "Loading copy/move tracking annotations..."]
+ }
+} ifdeleted { catch {close $fd} }
+
+method _exec_blame {cur_w cur_d options cur_s} {
+ lappend options --incremental --encoding=utf-8
+ if {$commit eq {}} {
+ lappend options --contents $path
+ } else {
+ lappend options $commit
+ }
+ lappend options -- $path
+ set fd [eval git_read --nice blame $options]
+ fconfigure $fd -blocking 0 -translation lf -encoding utf-8
+ fileevent $fd readable [cb _read_blame $fd $cur_w $cur_d]
+ set current_fd $fd
+ set blame_lines 0
+
+ $status start \
+ $cur_s \
+ [mc "lines annotated"]
+}
+
+method _read_blame {fd cur_w cur_d} {
+ upvar #0 $cur_d line_data
+ variable group_colors
+
+ if {$fd ne $current_fd} {
+ catch {close $fd}
+ return
+ }
+
+ $cur_w conf -state normal
+ 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
+ } elseif {[string match {filename *} $line]} {
+ set file [string range $line 9 end]
+ set n $r_line_count
+ set lno $r_final_line
+ set oln $r_orig_line
+ set cmit $r_commit
+
+ if {[regexp {^0{40}$} $cmit]} {
+ set commit_abbr work
+ set commit_type curr_commit
+ } elseif {$cmit eq $commit} {
+ set commit_abbr this
+ set commit_type curr_commit
+ } else {
+ set commit_type prior_commit
+ set commit_abbr [string range $cmit 0 3]
+ }
+
+ set author_abbr {}
+ set a_name {}
+ catch {set a_name $header($cmit,author)}
+ while {$a_name ne {}} {
+ if {$author_abbr ne {}
+ && [string index $a_name 0] eq {'}} {
+ regsub {^'[^']+'\s+} $a_name {} a_name
+ }
+ if {![regexp {^([[:upper:]])} $a_name _a]} break
+ append author_abbr $_a
+ unset _a
+ if {![regsub \
+ {^[[:upper:]][^\s]*\s+} \
+ $a_name {} a_name ]} break
+ }
+ if {$author_abbr eq {}} {
+ set author_abbr { |}
+ } else {
+ set author_abbr [string range $author_abbr 0 3]
+ }
+ unset a_name
+
+ set first_lno $lno
+ while {
+ $first_lno > 1
+ && $cmit eq [lindex $line_data [expr {$first_lno - 1}] 0]
+ && $file eq [lindex $line_data [expr {$first_lno - 1}] 1]
+ } {
+ incr first_lno -1
+ }
+
+ set color {}
+ if {$first_lno < $lno} {
+ foreach g [$w_file tag names $first_lno.0] {
+ if {[regexp {^color[0-9]+$} $g]} {
+ set color $g
+ break
+ }
+ }
+ } else {
+ set i [lsort [concat \
+ [$w_file tag names "[expr {$first_lno - 1}].0"] \
+ [$w_file tag names "[expr {$lno + $n}].0"] \
+ ]]
+ for {set g 0} {$g < [llength $group_colors]} {incr g} {
+ if {[lsearch -sorted -exact $i color$g] == -1} {
+ set color color$g
+ break
+ }
+ }
+ }
+ if {$color eq {}} {
+ set color color0
+ }
+
+ while {$n > 0} {
+ set lno_e "$lno.0 lineend + 1c"
+ if {[lindex $line_data $lno] ne {}} {
+ set g [lindex $line_data $lno 0]
+ foreach i $w_columns {
+ $i tag remove g$g $lno.0 $lno_e
+ }
+ }
+ lset line_data $lno [list $cmit $file $oln]
+
+ $cur_w delete $lno.0 "$lno.0 lineend"
+ if {$lno == $first_lno} {
+ $cur_w insert $lno.0 $commit_abbr $commit_type
+ } elseif {$lno == [expr {$first_lno + 1}]} {
+ $cur_w insert $lno.0 $author_abbr author_abbr
+ } else {
+ $cur_w insert $lno.0 { |}
+ }
+
+ foreach i $w_columns {
+ if {$cur_w eq $w_amov} {
+ for {set g 0} \
+ {$g < [llength $group_colors]} \
+ {incr g} {
+ $i tag remove color$g $lno.0 $lno_e
+ }
+ $i tag add $color $lno.0 $lno_e
+ }
+ $i tag add g$cmit $lno.0 $lno_e
+ }
+
+ if {$highlight_column eq $cur_w} {
+ if {$highlight_line == -1
+ && [lindex [$w_file yview] 0] == 0} {
+ $w_file see $lno.0
+ set highlight_line $lno
+ }
+ if {$highlight_line == $lno} {
+ _showcommit $this $cur_w $lno
+ }
+ }
+
+ incr n -1
+ incr lno
+ incr oln
+ incr blame_lines
+ }
+
+ while {
+ $cmit eq [lindex $line_data $lno 0]
+ && $file eq [lindex $line_data $lno 1]
+ } {
+ $cur_w delete $lno.0 "$lno.0 lineend"
+
+ if {$lno == $first_lno} {
+ $cur_w insert $lno.0 $commit_abbr $commit_type
+ } elseif {$lno == [expr {$first_lno + 1}]} {
+ $cur_w insert $lno.0 $author_abbr author_abbr
+ } else {
+ $cur_w insert $lno.0 { |}
+ }
+
+ if {$cur_w eq $w_amov} {
+ foreach i $w_columns {
+ for {set g 0} \
+ {$g < [llength $group_colors]} \
+ {incr g} {
+ $i tag remove color$g $lno.0 $lno_e
+ }
+ $i tag add $color $lno.0 $lno_e
+ }
+ }
+
+ incr lno
+ }
+
+ } elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
+ set header($r_commit,$key) $data
+ }
+ }
+ $cur_w conf -state disabled
+
+ if {[eof $fd]} {
+ close $fd
+ if {$cur_w eq $w_asim} {
+ # Switches for original location detection
+ set threshold [get_config gui.copyblamethreshold]
+ set original_options [list "-C$threshold"]
+
+ if {![is_config_true gui.fastcopyblame]} {
+ # thorough copy search; insert before the threshold
+ set original_options [linsert $original_options 0 -C]
+ }
+ if {[git-version >= 1.5.3]} {
+ lappend original_options -w ; # ignore indentation changes
+ }
+
+ _exec_blame $this $w_amov @amov_data \
+ $original_options \
+ [mc "Loading original location annotations..."]
+ } else {
+ set current_fd {}
+ $status stop [mc "Annotation complete."]
+ }
+ } else {
+ $status update $blame_lines $total_lines
+ }
+} ifdeleted { catch {close $fd} }
+
+method _find_commit_bound {data_list start_idx delta} {
+ upvar #0 $data_list line_data
+ set pos $start_idx
+ set limit [expr {[llength $line_data] - 1}]
+ set base_commit [lindex $line_data $pos 0]
+
+ while {$pos > 0 && $pos < $limit} {
+ set new_pos [expr {$pos + $delta}]
+ if {[lindex $line_data $new_pos 0] ne $base_commit} {
+ return $pos
+ }
+
+ set pos $new_pos
+ }
+
+ return $pos
+}
+
+method _fullcopyblame {} {
+ if {$current_fd ne {}} {
+ tk_messageBox \
+ -icon error \
+ -type ok \
+ -title [mc "Busy"] \
+ -message [mc "Annotation process is already running."]
+
+ return
+ }
+
+ # Switches for original location detection
+ set threshold [get_config gui.copyblamethreshold]
+ set original_options [list -C -C "-C$threshold"]
+
+ if {[git-version >= 1.5.3]} {
+ lappend original_options -w ; # ignore indentation changes
+ }
+
+ # Find the line range
+ set pos @$::cursorX,$::cursorY
+ set lno [lindex [split [$::cursorW index $pos] .] 0]
+ set min_amov_lno [_find_commit_bound $this @amov_data $lno -1]
+ set max_amov_lno [_find_commit_bound $this @amov_data $lno 1]
+ set min_asim_lno [_find_commit_bound $this @asim_data $lno -1]
+ set max_asim_lno [_find_commit_bound $this @asim_data $lno 1]
+
+ if {$min_asim_lno < $min_amov_lno} {
+ set min_amov_lno $min_asim_lno
+ }
+
+ if {$max_asim_lno > $max_amov_lno} {
+ set max_amov_lno $max_asim_lno
+ }
+
+ lappend original_options -L "$min_amov_lno,$max_amov_lno"
+
+ # Clear lines
+ for {set i $min_amov_lno} {$i <= $max_amov_lno} {incr i} {
+ lset amov_data $i [list ]
+ }
+
+ # Start the back-end process
+ _exec_blame $this $w_amov @amov_data \
+ $original_options \
+ [mc "Running thorough copy detection..."]
+}
+
+method _click {cur_w pos} {
+ set lno [lindex [split [$cur_w index $pos] .] 0]
+ _showcommit $this $cur_w $lno
+}
+
+method _setencoding {enc} {
+ force_path_encoding $path $enc
+ _load $this [list \
+ $highlight_column \
+ $highlight_line \
+ [lindex [$w_file xview] 0] \
+ [lindex [$w_file yview] 0] \
+ ]
+}
+
+method _load_commit {cur_w cur_d pos} {
+ upvar #0 $cur_d line_data
+ set lno [lindex [split [$cur_w index $pos] .] 0]
+ set dat [lindex $line_data $lno]
+ if {$dat ne {}} {
+ _load_new_commit $this \
+ [lindex $dat 0] \
+ [lindex $dat 1] \
+ [list [lindex $dat 2]]
+ }
+}
+
+method _load_new_commit {new_commit new_path jump} {
+ lappend history [list \
+ $commit $path \
+ $highlight_column \
+ $highlight_line \
+ [lindex [$w_file xview] 0] \
+ [lindex [$w_file yview] 0] \
+ ]
+
+ set commit $new_commit
+ set path $new_path
+ _load $this $jump
+}
+
+method _showcommit {cur_w lno} {
+ global repo_config
+ variable active_color
+
+ if {$highlight_commit ne {}} {
+ foreach i $w_columns {
+ $i tag conf g$highlight_commit -background {}
+ $i tag lower g$highlight_commit
+ }
+ }
+
+ if {$cur_w eq $w_asim} {
+ set dat [lindex $asim_data $lno]
+ set highlight_column $w_asim
+ } else {
+ set dat [lindex $amov_data $lno]
+ set highlight_column $w_amov
+ }
+
+ $w_cviewer conf -state normal
+ $w_cviewer delete 0.0 end
+
+ if {$dat eq {}} {
+ set cmit {}
+ $w_cviewer insert end [mc "Loading annotation..."] still_loading
+ } else {
+ set cmit [lindex $dat 0]
+ set file [lindex $dat 1]
+
+ foreach i $w_columns {
+ $i tag conf g$cmit -background $active_color
+ $i tag raise g$cmit
+ if {$i eq $w_file} {
+ $w_file tag raise found
+ }
+ $i tag raise sel
+ }
+
+ 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 [format_date $header($cmit,author-time)]}
+
+ 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 [format_date $header($cmit,committer-time)]}
+
+ if {[catch {set msg $header($cmit,message)}]} {
+ set msg {}
+ catch {
+ set fd [git_read cat-file commit $cmit]
+ fconfigure $fd -encoding binary -translation lf
+ # By default commits are assumed to be in utf-8
+ 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 [read $fd]
+ close $fd
+
+ set enc [tcl_encoding $enc]
+ if {$enc ne {}} {
+ set msg [encoding convertfrom $enc $msg]
+ }
+ set msg [string trim $msg]
+ }
+ set header($cmit,message) $msg
+ }
+
+ $w_cviewer insert end "commit $cmit\n" header_key
+ $w_cviewer insert end [strcat [mc "Author:"] "\t"] header_key
+ $w_cviewer insert end "$author_name $author_email" header_val
+ $w_cviewer insert end " $author_time\n" header_val
+
+ $w_cviewer insert end [strcat [mc "Committer:"] "\t"] header_key
+ $w_cviewer insert end "$committer_name $committer_email" header_val
+ $w_cviewer insert end " $committer_time\n" header_val
+
+ if {$file ne $path} {
+ $w_cviewer insert end [strcat [mc "Original File:"] "\t"] header_key
+ $w_cviewer insert end "[escape_path $file]\n" header_val
+ }
+
+ $w_cviewer insert end "\n$msg"
+ }
+ $w_cviewer conf -state disabled
+
+ set highlight_line $lno
+ set highlight_commit $cmit
+
+ if {[lsearch -exact $tooltip_commit $highlight_commit] != -1} {
+ _hide_tooltip $this
+ }
+}
+
+method _get_click_amov_info {} {
+ set pos @$::cursorX,$::cursorY
+ set lno [lindex [split [$::cursorW index $pos] .] 0]
+ return [lindex $amov_data $lno]
+}
+
+method _copycommit {} {
+ set dat [_get_click_amov_info $this]
+ if {$dat ne {}} {
+ clipboard clear
+ clipboard append \
+ -format STRING \
+ -type STRING \
+ -- [lindex $dat 0]
+ }
+}
+
+method _format_offset_date {base offset} {
+ set exval [expr {$base + $offset*24*60*60}]
+ return [clock format $exval -format {%Y-%m-%d}]
+}
+
+method _gitkcommit {} {
+ global nullid
+
+ set dat [_get_click_amov_info $this]
+ if {$dat ne {}} {
+ set cmit [lindex $dat 0]
+
+ # If the line belongs to the working copy, use HEAD instead
+ if {$cmit eq $nullid} {
+ if {[catch {set cmit [git rev-parse --verify HEAD]} err]} {
+ error_popup [strcat [mc "Cannot find HEAD commit:"] "\n\n$err"]
+ return;
+ }
+ }
+
+ set radius [get_config gui.blamehistoryctx]
+ set cmdline [list --select-commit=$cmit]
+
+ if {$radius > 0} {
+ set author_time {}
+ set committer_time {}
+
+ catch {set author_time $header($cmit,author-time)}
+ catch {set committer_time $header($cmit,committer-time)}
+
+ if {$committer_time eq {}} {
+ set committer_time $author_time
+ }
+
+ set after_time [_format_offset_date $this $committer_time [expr {-$radius}]]
+ set before_time [_format_offset_date $this $committer_time $radius]
+
+ lappend cmdline --after=$after_time --before=$before_time
+ }
+
+ lappend cmdline $cmit
+
+ set base_rev "HEAD"
+ if {$commit ne {}} {
+ set base_rev $commit
+ }
+
+ if {$base_rev ne $cmit} {
+ lappend cmdline $base_rev
+ }
+
+ do_gitk $cmdline
+ }
+}
+
+method _blameparent {} {
+ global nullid
+
+ set dat [_get_click_amov_info $this]
+ if {$dat ne {}} {
+ set cmit [lindex $dat 0]
+ set new_path [lindex $dat 1]
+
+ # Allow using Blame Parent on lines modified in the working copy
+ if {$cmit eq $nullid} {
+ set parent_ref "HEAD"
+ } else {
+ set parent_ref "$cmit^"
+ }
+ if {[catch {set cparent [git rev-parse --verify $parent_ref]} err]} {
+ error_popup [strcat [mc "Cannot find parent commit:"] "\n\n$err"]
+ return;
+ }
+
+ _kill $this
+
+ # Generate a diff between the commit and its parent,
+ # and use the hunks to update the line number.
+ # Request zero context to simplify calculations.
+ if {$cmit eq $nullid} {
+ set diffcmd [list diff-index --unified=0 $cparent -- $new_path]
+ } else {
+ set diffcmd [list diff-tree --unified=0 $cparent $cmit -- $new_path]
+ }
+ if {[catch {set fd [eval git_read $diffcmd]} err]} {
+ $status stop [mc "Unable to display parent"]
+ error_popup [strcat [mc "Error loading diff:"] "\n\n$err"]
+ return
+ }
+
+ set r_orig_line [lindex $dat 2]
+
+ fconfigure $fd \
+ -blocking 0 \
+ -encoding binary \
+ -translation binary
+ fileevent $fd readable [cb _read_diff_load_commit \
+ $fd $cparent $new_path $r_orig_line]
+ set current_fd $fd
+ }
+}
+
+method _read_diff_load_commit {fd cparent new_path tline} {
+ if {$fd ne $current_fd} {
+ catch {close $fd}
+ return
+ }
+
+ while {[gets $fd line] >= 0} {
+ if {[regexp {^@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))? @@} $line line \
+ old_line osz old_size new_line nsz new_size]} {
+
+ if {$osz eq {}} { set old_size 1 }
+ if {$nsz eq {}} { set new_size 1 }
+
+ if {$new_line <= $tline} {
+ if {[expr {$new_line + $new_size}] > $tline} {
+ # Target line within the hunk
+ set line_shift [expr {
+ ($new_size-$old_size)*($tline-$new_line)/$new_size
+ }]
+ } else {
+ set line_shift [expr {$new_size-$old_size}]
+ }
+
+ set r_orig_line [expr {$r_orig_line - $line_shift}]
+ }
+ }
+ }
+
+ if {[eof $fd]} {
+ close $fd
+ set current_fd {}
+
+ _load_new_commit $this \
+ $cparent \
+ $new_path \
+ [list $r_orig_line]
+ }
+} ifdeleted { catch {close $fd} }
+
+method _show_tooltip {cur_w pos} {
+ if {$tooltip_wm ne {}} {
+ _open_tooltip $this $cur_w
+ } elseif {$tooltip_timer eq {}} {
+ set tooltip_timer [after 1000 [cb _open_tooltip $cur_w]]
+ }
+}
+
+method _open_tooltip {cur_w} {
+ set tooltip_timer {}
+ set pos_x [winfo pointerx $cur_w]
+ set pos_y [winfo pointery $cur_w]
+ if {[winfo containing $pos_x $pos_y] ne $cur_w} {
+ _hide_tooltip $this
+ return
+ }
+
+ if {$tooltip_wm ne "$cur_w.tooltip"} {
+ _hide_tooltip $this
+
+ set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
+ catch {wm attributes $tooltip_wm -type tooltip}
+ wm overrideredirect $tooltip_wm 1
+ wm transient $tooltip_wm [winfo toplevel $cur_w]
+ set tooltip_t $tooltip_wm.label
+ text $tooltip_t \
+ -takefocus 0 \
+ -highlightthickness 0 \
+ -relief flat \
+ -borderwidth 0 \
+ -wrap none \
+ -background lightyellow \
+ -foreground black
+ $tooltip_t tag conf section_header -font font_uibold
+ pack $tooltip_t
+ } else {
+ $tooltip_t conf -state normal
+ $tooltip_t delete 0.0 end
+ }
+
+ set pos @[join [list \
+ [expr {$pos_x - [winfo rootx $cur_w]}] \
+ [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
+ set lno [lindex [split [$cur_w index $pos] .] 0]
+ if {$cur_w eq $w_amov} {
+ set dat [lindex $amov_data $lno]
+ set org {}
+ } else {
+ set dat [lindex $asim_data $lno]
+ set org [lindex $amov_data $lno]
+ }
+
+ if {$dat eq {}} {
+ _hide_tooltip $this
+ return
+ }
+
+ set cmit [lindex $dat 0]
+ set tooltip_commit [list $cmit]
+
+ set author_name {}
+ set summary {}
+ set author_time {}
+ catch {set author_name $header($cmit,author)}
+ catch {set summary $header($cmit,summary)}
+ catch {set author_time [format_date $header($cmit,author-time)]}
+
+ $tooltip_t insert end "commit $cmit\n"
+ $tooltip_t insert end "$author_name $author_time\n"
+ $tooltip_t insert end "$summary"
+
+ if {$org ne {} && [lindex $org 0] ne $cmit} {
+ set save [$tooltip_t get 0.0 end]
+ $tooltip_t delete 0.0 end
+
+ set cmit [lindex $org 0]
+ set file [lindex $org 1]
+ lappend tooltip_commit $cmit
+
+ set author_name {}
+ set summary {}
+ set author_time {}
+ catch {set author_name $header($cmit,author)}
+ catch {set summary $header($cmit,summary)}
+ catch {set author_time [format_date $header($cmit,author-time)]}
+
+ $tooltip_t insert end [strcat [mc "Originally By:"] "\n"] section_header
+ $tooltip_t insert end "commit $cmit\n"
+ $tooltip_t insert end "$author_name $author_time\n"
+ $tooltip_t insert end "$summary\n"
+
+ if {$file ne $path} {
+ $tooltip_t insert end [strcat [mc "In File:"] " "] section_header
+ $tooltip_t insert end "$file\n"
+ }
+
+ $tooltip_t insert end "\n"
+ $tooltip_t insert end [strcat [mc "Copied Or Moved Here By:"] "\n"] section_header
+ $tooltip_t insert end $save
+ }
+
+ $tooltip_t conf -state disabled
+ _position_tooltip $this
+
+ # On MacOS raising a window causes it to acquire focus.
+ # Tk 8.5 on MacOS seems to properly support wm transient,
+ # so we can safely counter the effect there.
+ if {$::have_tk85 && [is_MacOSX]} {
+ update
+ if {$w eq {}} {
+ raise .
+ } else {
+ raise $w
+ }
+ }
+}
+
+method _position_tooltip {} {
+ set max_h [lindex [split [$tooltip_t index end] .] 0]
+ set max_w 0
+ for {set i 1} {$i <= $max_h} {incr i} {
+ set c [lindex [split [$tooltip_t index "$i.0 lineend"] .] 1]
+ if {$c > $max_w} {set max_w $c}
+ }
+ $tooltip_t conf -width $max_w -height $max_h
+
+ set req_w [winfo reqwidth $tooltip_t]
+ set req_h [winfo reqheight $tooltip_t]
+ set pos_x [expr {[winfo pointerx .] + 5}]
+ set pos_y [expr {[winfo pointery .] + 10}]
+
+ set g "${req_w}x${req_h}"
+ if {[tk windowingsystem] eq "win32" || $pos_x >= 0} {append g +}
+ append g $pos_x
+ if {[tk windowingsystem] eq "win32" || $pos_y >= 0} {append g +}
+ append g $pos_y
+
+ wm geometry $tooltip_wm $g
+ if {![is_MacOSX]} {
+ raise $tooltip_wm
+ }
+}
+
+method _hide_tooltip {} {
+ if {$tooltip_wm ne {}} {
+ destroy $tooltip_wm
+ set tooltip_wm {}
+ set tooltip_commit {}
+ }
+ if {$tooltip_timer ne {}} {
+ after cancel $tooltip_timer
+ set tooltip_timer {}
+ }
+}
+
+method _resize {new_height} {
+ set diff [expr {$new_height - $old_height}]
+ if {$diff == 0} return
+
+ set my [expr {[winfo height $w.file_pane] - 25}]
+ set o [$w.file_pane sash coord 0]
+ set ox [lindex $o 0]
+ set oy [expr {[lindex $o 1] + $diff}]
+ if {$oy < 0} {set oy 0}
+ if {$oy > $my} {set oy $my}
+ $w.file_pane sash place 0 $ox $oy
+
+ set old_height $new_height
+}
+
+method _show_finder {} {
+ linebar::hide $gotoline
+ searchbar::show $finder
+}
+
+method _show_linebar {} {
+ searchbar::hide $finder
+ linebar::show $gotoline
+}
+
+}