# 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 [mc "%s (%s): File Viewer" [appname] [reponame]]
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
}
}
