git-gui: Run blame twice on the same file and display both outputs
[gitweb.git] / lib / blame.tcl
index 33d5204f32d6f16939875cfe7da5431161f6c609..54a1ce5b45b4d65472412e6013c20af514e02ceb 100644 (file)
@@ -5,52 +5,62 @@ class blame {
 
 image create photo ::blame::img_back_arrow -data {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}
 
-field commit    ; # input commit to blame
-field path      ; # input filename to view in $commit
+# Persistant 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_cgrp     ; # text column: abbreviated commit SHA-1s
-field w_load     ; # text column: loaded indicator
+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_cmit     ; # pane showing commit message
+field w_cviewer  ; # pane showing commit message
 field status     ; # text variable bound to status bar
 field old_height ; # last known height of $w.file_pane
 
-field current_fd       {} ; # background process running
-field highlight_line   -1 ; # current line selected
-field highlight_commit {} ; # sha1 of commit selected
+# Tk UI colors
+#
+field active_color #c0edc5
+field 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 old_bgcolor       {} ; # background of current selection
 
 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
-
-field tooltip_wm     {} ; # Current tooltip toplevel, if open
-field tooltip_timer  {} ; # Current timer event for our tooltip
-field tooltip_commit {} ; # Commit in tooltip
-field tooltip_text   {} ; # Text in current tooltip
-
-variable active_color #98e1a0
-variable group_colors {
-       #cbcbcb
-       #e1e1e1
-}
+field have_commit          ; # array commit -> 1
+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_timer     {} ; # Current timer event for our tooltip
+field tooltip_commit    {} ; # Commit in tooltip
+field tooltip_text      {} ; # Text in current tooltip
 
 constructor new {i_commit i_path} {
-       variable active_color
        global cursor_ptr
 
        set commit $i_commit
@@ -66,14 +76,18 @@ constructor new {i_commit i_path} {
                -anchor w \
                -justify left
        set w_back $w.header.commit_b
-       button $w_back \
-               -command [cb _history_menu] \
+       label $w_back \
                -image ::blame::img_back_arrow \
                -borderwidth 0 \
                -relief flat \
                -state disabled \
                -background orange \
                -activebackground orange
+       bind $w_back <Button-1> "
+               if {\[$w_back cget -state\] eq {normal}} {
+                       [cb _history_menu]
+               }
+               "
        label $w.header.commit \
                -textvariable @commit \
                -background orange \
@@ -109,44 +123,60 @@ constructor new {i_commit i_path} {
                -height 25 \
                -width 100
 
-       set w_load $w.file_pane.out.loaded_t
-       text $w_load \
+       set w_line $w.file_pane.out.linenumber_t
+       text $w_line \
+               -takefocus 0 \
+               -highlightthickness 0 \
+               -padx 0 -pady 0 \
                -background white -borderwidth 0 \
                -state disabled \
                -wrap none \
                -height 40 \
-               -width 1 \
+               -width 6 \
                -font font_diff
-       $w_load tag conf annotated -background grey
+       $w_line tag conf linenumber -justify right -rmargin 5
 
-       set w_line $w.file_pane.out.linenumber_t
-       text $w_line \
+       set w_amov $w.file_pane.out.amove_t
+       text $w_amov \
+               -takefocus 0 \
+               -highlightthickness 0 \
+               -padx 0 -pady 0 \
                -background white -borderwidth 0 \
                -state disabled \
                -wrap none \
                -height 40 \
                -width 5 \
                -font font_diff
-       $w_line tag conf linenumber -justify right
+       $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_cgrp $w.file_pane.out.commit_t
-       text $w_cgrp \
+       set w_asim $w.file_pane.out.asimple_t
+       text $w_asim \
+               -takefocus 0 \
+               -highlightthickness 0 \
+               -padx 0 -pady 0 \
                -background white -borderwidth 0 \
                -state disabled \
                -wrap none \
                -height 40 \
                -width 4 \
                -font font_diff
-       $w_cgrp tag conf curr_commit
-       $w_cgrp tag conf prior_commit \
-               -foreground blue \
-               -underline 1
-       $w_cgrp tag bind prior_commit \
+       $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 @%x,%y];break"
+               "[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 -borderwidth 0 \
                -state disabled \
                -wrap none \
@@ -155,30 +185,27 @@ constructor new {i_commit i_path} {
                -xscrollcommand [list $w.file_pane.out.sbx set] \
                -font font_diff
 
+       set w_columns [list $w_amov $w_asim $w_line $w_file]
+
        scrollbar $w.file_pane.out.sbx \
                -orient h \
                -command [list $w_file xview]
        scrollbar $w.file_pane.out.sby \
                -orient v \
-               -command [list scrollbar2many [list \
-               $w_load \
-               $w_line \
-               $w_cgrp \
-               $w_file \
-               ] yview]
-       grid \
-               $w_cgrp \
-               $w_line \
-               $w_load \
-               $w_file \
-               $w.file_pane.out.sby \
-               -sticky nsew
-       grid conf $w.file_pane.out.sbx -column 3 -sticky we
-       grid columnconfigure $w.file_pane.out 3 -weight 1
+               -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 [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 w_cmit $w.file_pane.cm.t
-       text $w_cmit \
+       set w_cviewer $w.file_pane.cm.t
+       text $w_cviewer \
                -background white -borderwidth 0 \
                -state disabled \
                -wrap none \
@@ -187,23 +214,26 @@ constructor new {i_commit i_path} {
                -xscrollcommand [list $w.file_pane.cm.sbx set] \
                -yscrollcommand [list $w.file_pane.cm.sby set] \
                -font font_diff
-       $w_cmit tag conf header_key \
+       $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_cmit tag conf header_val \
+       $w_cviewer tag conf header_val \
                -background $active_color \
                -font font_ui
-       $w_cmit tag raise sel
+       $w_cviewer tag raise sel
        scrollbar $w.file_pane.cm.sbx \
                -orient h \
-               -command [list $w_cmit xview]
+               -command [list $w_cviewer xview]
        scrollbar $w.file_pane.cm.sby \
                -orient v \
-               -command [list $w_cmit yview]
+               -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_cmit -expand 1 -fill both
+       pack $w_cviewer -expand 1 -fill both
 
        frame $w.status \
                -borderwidth 1 \
@@ -219,19 +249,10 @@ constructor new {i_commit i_path} {
                -label "Copy Commit" \
                -command [cb _copycommit]
 
-       foreach i [list \
-               $w_cgrp \
-               $w_load \
-               $w_line \
-               $w_file] {
+       foreach i $w_columns {
                $i conf -cursor $cursor_ptr
-               $i conf -yscrollcommand \
-                       [list many2scrollbar [list \
-                       $w_cgrp \
-                       $w_load \
-                       $w_line \
-                       $w_file \
-                       ] yview $w.file_pane.out.sby]
+               $i conf -yscrollcommand [list many2scrollbar \
+                       $w_columns yview $w.file_pane.out.sby]
                bind $i <Button-1> "
                        [cb _hide_tooltip]
                        [cb _click $i @%x,%y]
@@ -249,12 +270,7 @@ constructor new {i_commit i_path} {
                "
        }
 
-       foreach i [list \
-               $w_cgrp \
-               $w_load \
-               $w_line \
-               $w_file \
-               $w_cmit] {
+       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}
@@ -267,7 +283,7 @@ constructor new {i_commit i_path} {
                bind $i <Control-Key-f> {catch {%W yview scroll  1 pages};break}
        }
 
-       bind $w_cmit <Button-1> [list focus $w_cmit]
+       bind $w_cviewer <Button-1> [list focus $w_cviewer]
        bind $top <Visibility> [list focus $top]
        bind $w_file <Destroy> [list delete_this $this]
 
@@ -306,30 +322,20 @@ method _load {} {
                        set current_fd {}
                }
 
+               foreach i $w_columns {
+                       $i conf -state normal
+                       $i delete 0.0 end
+                       foreach cmit [array names have_commit] {
+                               $i tag delete g$cmit
+                       }
+                       $i conf -state disabled
+               }
+
                set highlight_line -1
+               set highlight_column {}
                set highlight_commit {}
                set total_lines 0
-               set blame_lines 0
-               set commit_count 0
-               set commit_list {}
-               array unset order
-               array unset line_commit
-               array unset line_file
-
-               $w_load conf -state normal
-               $w_cgrp conf -state normal
-               $w_line conf -state normal
-               $w_file conf -state normal
-
-               $w_load delete 0.0 end
-               $w_cgrp delete 0.0 end
-               $w_line delete 0.0 end
-               $w_file delete 0.0 end
-
-               $w_load conf -state disabled
-               $w_cgrp conf -state disabled
-               $w_line conf -state disabled
-               $w_file conf -state disabled
+               array unset have_commit
        }
 
        if {[winfo exists $w.status.c]} {
@@ -352,6 +358,13 @@ method _load {} {
        }
        lappend history [list $commit $path]
 
+       # 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]]
+
        set status "Loading $commit:[escape_path $path]..."
        $w_path conf -text [escape_path $path]
        if {$commit eq {}} {
@@ -381,11 +394,16 @@ method _history_menu {} {
 
                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 $c $f]
@@ -408,55 +426,61 @@ method _read_file {fd} {
                return
        }
 
-       $w_load conf -state normal
-       $w_cgrp conf -state normal
-       $w_line conf -state normal
-       $w_file conf -state normal
+       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} {
-                       $w_load insert end "\n"
-                       $w_cgrp insert end "\n"
-                       $w_line insert end "\n"
-                       $w_file insert end "\n"
+                       foreach i $w_columns {$i insert end "\n"}
                }
 
                $w_line insert end "$total_lines" linenumber
                $w_file insert end "$line"
        }
-       $w_load conf -state disabled
-       $w_cgrp conf -state disabled
-       $w_line conf -state disabled
-       $w_file conf -state disabled
+
+       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]} {
                close $fd
-               _status $this
-               set cmd {nice git blame -M -C --incremental}
-               if {$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]
-               set current_fd $fd
+               _exec_blame $this $w_asim @asim_data [list] {}
        }
 } ifdeleted { catch {close $fd} }
 
-method _read_blame {fd} {
-       variable group_colors
+method _exec_blame {cur_w cur_d options cur_s} {
+       set cmd [list nice git blame]
+       set cmd [concat $cmd $options]
+       lappend cmd --incremental
+       if {$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 $cur_w $cur_d $cur_s]
+       set current_fd $fd
+       set blame_lines 0
+       _status $this $cur_s
+}
+
+method _read_blame {fd cur_w cur_d cur_s} {
+       upvar #0 $cur_d line_data
 
        if {$fd ne $current_fd} {
                catch {close $fd}
                return
        }
 
-       $w_cgrp conf -state normal
+       $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]} {
@@ -465,18 +489,14 @@ method _read_blame {fd} {
                        set r_final_line $final_line
                        set r_line_count $line_count
 
-                       if {[catch {set g $order($cmit)}]} {
+                       if {[catch {set g $have_commit($cmit)}]} {
                                set bg [lindex $group_colors 0]
                                set group_colors [lrange $group_colors 1 end]
                                lappend group_colors $bg
-
-                               $w_cgrp tag conf g$cmit -background $bg
-                               $w_line tag conf g$cmit -background $bg
-                               $w_file tag conf g$cmit -background $bg
-
-                               set order($cmit) $commit_count
-                               incr commit_count
-                               lappend commit_list $cmit
+                               foreach i $w_columns {
+                                       $i tag conf g$cmit -background $bg
+                               }
+                               set have_commit($cmit) 1
                        }
                } elseif {[string match {filename *} $line]} {
                        set file [string range $line 9 end]
@@ -492,7 +512,7 @@ method _read_blame {fd} {
                                set commit_type curr_commit
                        } else {
                                set commit_type prior_commit
-                               set commit_abbr [string range $cmit 0 4]
+                               set commit_abbr [string range $cmit 0 3]
                        }
 
                        set author_abbr {}
@@ -510,63 +530,50 @@ method _read_blame {fd} {
                                set author_abbr { |}
                        } else {
                                set author_abbr [string range $author_abbr 0 3]
-                               while {[string length $author_abbr] < 4} {
-                                       set author_abbr " $author_abbr"
-                               }
                        }
                        unset a_name
 
                        set first_lno $lno
                        while {
-                          ![catch {set ncmit $line_commit([expr {$first_lno - 1}])}]
-                       && ![catch {set nfile $line_file([expr {$first_lno - 1}])}]
-                       && $ncmit eq $cmit
-                       && $nfile eq $file
+                          $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
                        }
 
                        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 {
-                                       $w_cgrp tag remove g$g $lno.0 $lno_e
-                                       $w_line tag remove g$g $lno.0 $lno_e
-                                       $w_file tag remove g$g $lno.0 $lno_e
-
-                                       $w_cgrp tag remove a$g $lno.0 $lno_e
-                                       $w_line tag remove a$g $lno.0 $lno_e
-                                       $w_file tag remove a$g $lno.0 $lno_e
+                               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]
 
-                               set line_commit($lno) $cmit
-                               set line_file($lno)   $file
-
-                               $w_cgrp delete $lno.0 "$lno.0 lineend"
+                               $cur_w delete $lno.0 "$lno.0 lineend"
                                if {$lno == $first_lno} {
-                                       $w_cgrp insert $lno.0 $commit_abbr $commit_type
+                                       $cur_w insert $lno.0 $commit_abbr $commit_type
                                } elseif {$lno == [expr {$first_lno + 1}]} {
-                                       $w_cgrp insert $lno.0 $author_abbr
+                                       $cur_w insert $lno.0 $author_abbr author_abbr
                                } else {
-                                       $w_cgrp insert $lno.0 { |}
+                                       $cur_w insert $lno.0 { |}
                                }
 
-                               $w_cgrp tag add g$cmit $lno.0 $lno_e
-                               $w_line tag add g$cmit $lno.0 $lno_e
-                               $w_file tag add g$cmit $lno.0 $lno_e
-
-                               $w_cgrp tag add a$cmit $lno.0 $lno_e
-                               $w_line tag add a$cmit $lno.0 $lno_e
-                               $w_file tag add a$cmit $lno.0 $lno_e
+                               foreach i $w_columns {
+                                       $i tag add g$cmit $lno.0 $lno_e
+                               }
 
-                               if {$highlight_line == -1} {
-                                       if {[lindex [$w_file yview] 0] == 0} {
+                               if {$highlight_column eq $cur_w} {
+                                       if {$highlight_line == -1
+                                        && [lindex [$w_file yview] 0] == 0} {
                                                $w_file see $lno.0
-                                               _showcommit $this $lno
+                                               set highlight_line $lno
+                                       }
+                                       if {$highlight_line == $lno} {
+                                               _showcommit $this $cur_w $lno
                                        }
-                               } elseif {$highlight_line == $lno} {
-                                       _showcommit $this $lno
                                }
 
                                incr n -1
@@ -575,19 +582,17 @@ method _read_blame {fd} {
                        }
 
                        while {
-                          ![catch {set ncmit $line_commit($lno)}]
-                       && ![catch {set nfile $line_file($lno)}]
-                       && $ncmit eq $cmit
-                       && $nfile eq $file
+                          $cmit eq [lindex $line_data $lno 0]
+                       && $file eq [lindex $line_data $lno 1]
                        } {
-                               $w_cgrp delete $lno.0 "$lno.0 lineend"
+                               $cur_w delete $lno.0 "$lno.0 lineend"
 
                                if {$lno == $first_lno} {
-                                       $w_cgrp insert $lno.0 $commit_abbr $commit_type
+                                       $cur_w insert $lno.0 $commit_abbr $commit_type
                                } elseif {$lno == [expr {$first_lno + 1}]} {
-                                       $w_cgrp insert $lno.0 $author_abbr
+                                       $cur_w insert $lno.0 $author_abbr author_abbr
                                } else {
-                                       $w_cgrp insert $lno.0 { |}
+                                       $cur_w insert $lno.0 { |}
                                }
                                incr lno
                        }
@@ -596,66 +601,83 @@ method _read_blame {fd} {
                        set header($r_commit,$key) $data
                }
        }
-       $w_cgrp conf -state disabled
+       $cur_w conf -state disabled
 
        if {[eof $fd]} {
                close $fd
-               set current_fd {}
-               set status {Annotation complete.}
-               destroy $w.status.c
+               if {$cur_w eq $w_asim} {
+                       _exec_blame $this $w_amov @amov_data \
+                               [list -M -C -C] \
+                               { move/copy tracking}
+               } else {
+                       set current_fd {}
+                       set status {Annotation complete.}
+                       destroy $w.status.c
+               }
        } else {
-               _status $this
+               _status $this $cur_s
        }
 } ifdeleted { catch {close $fd} }
 
-method _status {} {
+method _status {cur_s} {
        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]
+               "Loading%s annotations... %i of %i lines annotated (%2i%%)" \
+               $cur_s $have $total $pdone]
        $w.status.c coords bar 0 0 $pdone 20
 }
 
 method _click {cur_w pos} {
        set lno [lindex [split [$cur_w index $pos] .] 0]
-       if {$lno eq {}} return
-       _showcommit $this $lno
+       _showcommit $this $cur_w $lno
 }
 
-method _load_commit {pos} {
-       set lno [lindex [split [$w_cgrp index $pos] .] 0]
-       if {[catch {set cmit $line_commit($lno)}]} return
-       if {[catch {set file $line_file($lno)  }]} return
-
-       set commit $cmit
-       set path $file
-       _load $this
+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 {}} {
+               set commit [lindex $dat 0]
+               set path   [lindex $dat 1]
+               _load $this
+       }
 }
 
-method _showcommit {lno} {
+method _showcommit {cur_w lno} {
        global repo_config
-       variable active_color
 
        if {$highlight_commit ne {}} {
-               set cmit $highlight_commit
-               $w_cgrp tag conf a$cmit -background {}
-               $w_line tag conf a$cmit -background {}
-               $w_file tag conf a$cmit -background {}
+               foreach i $w_columns {
+                       $i tag conf g$highlight_commit -background $old_bgcolor
+               }
        }
 
-       $w_cmit conf -state normal
-       $w_cmit delete 0.0 end
-       if {[catch {set cmit $line_commit($lno)}]} {
+       if {$cur_w eq $w_amov} {
+               set dat [lindex $amov_data $lno]
+               set highlight_column $w_amov
+       } else {
+               set dat [lindex $asim_data $lno]
+               set highlight_column $w_asim
+       }
+
+       $w_cviewer conf -state normal
+       $w_cviewer delete 0.0 end
+
+       if {$dat eq {}} {
                set cmit {}
-               $w_cmit insert end "Loading annotation..."
+               $w_cviewer insert end "Loading annotation..." still_loading
        } else {
-               $w_cgrp tag conf a$cmit -background $active_color
-               $w_line tag conf a$cmit -background $active_color
-               $w_file tag conf a$cmit -background $active_color
+               set cmit [lindex $dat 0]
+               set file [lindex $dat 1]
+
+               set old_bgcolor [$w_file tag cget g$cmit -background]
+               foreach i $w_columns {
+                       $i tag conf g$cmit -background $active_color
+               }
 
                set author_name {}
                set author_email {}
@@ -703,23 +725,23 @@ method _showcommit {lno} {
                        set header($cmit,message) $msg
                }
 
-               $w_cmit insert end "commit $cmit\n" header_key
-               $w_cmit insert end "Author:\t" header_key
-               $w_cmit insert end "$author_name $author_email" header_val
-               $w_cmit insert end "$author_time\n" header_val
+               $w_cviewer insert end "commit $cmit\n" header_key
+               $w_cviewer insert end "Author:\t" header_key
+               $w_cviewer insert end "$author_name $author_email" header_val
+               $w_cviewer insert end "  $author_time\n" header_val
 
-               $w_cmit insert end "Committer:\t" header_key
-               $w_cmit insert end "$committer_name $committer_email" header_val
-               $w_cmit insert end "$committer_time\n" header_val
+               $w_cviewer insert end "Committer:\t" header_key
+               $w_cviewer insert end "$committer_name $committer_email" header_val
+               $w_cviewer insert end "  $committer_time\n" header_val
 
-               if {$line_file($lno) ne $path} {
-                       $w_cmit insert end "Original File:\t" header_key
-                       $w_cmit insert end "[escape_path $line_file($lno)]\n" header_val
+               if {$file ne $path} {
+                       $w_cviewer insert end "Original File:\t" header_key
+                       $w_cviewer insert end "[escape_path $file]\n" header_val
                }
 
-               $w_cmit insert end "\n$msg"
+               $w_cviewer insert end "\n$msg"
        }
-       $w_cmit conf -state disabled
+       $w_cviewer conf -state disabled
 
        set highlight_line $lno
        set highlight_commit $cmit
@@ -732,21 +754,28 @@ method _showcommit {lno} {
 method _copycommit {} {
        set pos @$::cursorX,$::cursorY
        set lno [lindex [split [$::cursorW index $pos] .] 0]
-       if {![catch {set commit $line_commit($lno)}]} {
+       set dat [lindex $amov_data $lno]
+       if {$dat ne {}} {
                clipboard clear
                clipboard append \
                        -format STRING \
                        -type STRING \
-                       -- $commit
+                       -- [lindex $dat 0]
        }
 }
 
 method _show_tooltip {cur_w pos} {
        set lno [lindex [split [$cur_w index $pos] .] 0]
-       if {[catch {set cmit $line_commit($lno)}]} {
+       if {$cur_w eq $w_amov} {
+               set dat [lindex $amov_data $lno]
+       } else {
+               set dat [lindex $asim_data $lno]
+       }
+       if {$dat eq {}} {
                _hide_tooltip $this
                return
        }
+       set cmit [lindex $dat 0]
 
        if {$cmit eq $highlight_commit} {
                _hide_tooltip $this
@@ -775,7 +804,13 @@ method _open_tooltip {cur_w} {
                [expr {$pos_x - [winfo rootx $cur_w]}] \
                [expr {$pos_y - [winfo rooty $cur_w]}]] ,]
        set lno [lindex [split [$cur_w index $pos] .] 0]
-       set cmit $line_commit($lno)
+       if {$cur_w eq $w_amov} {
+               set dat [lindex $amov_data $lno]
+       } else {
+               set dat [lindex $asim_data $lno]
+       }
+       set cmit [lindex $dat 0]
+       set file [lindex $dat 1]
 
        set author_name {}
        set author_email {}
@@ -805,6 +840,12 @@ method _open_tooltip {cur_w} {
 $author_name $author_email  $author_time
 $summary"
 
+       if {$file ne $path} {
+               append tooltip_text "
+
+Original File: $file"
+       }
+
        if {$tooltip_wm ne "$cur_w.tooltip"} {
                _hide_tooltip $this