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git/lib/blame.tcl

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Raw Blame History

# git-gui blame viewer
# Copyright (C) 2006, 2007 Shawn Pearce
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
field history {}; # viewer history: {commit path}
field w ; # top window in this viewer
field w_back ; # our back button
field w_path ; # label showing the current file path
field w_line ; # text column: all line numbers
field w_cgrp ; # text column: abbreviated commit SHA-1s
field w_file ; # text column: actual file data
field w_cmit ; # 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
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 #c0edc5
variable group_colors {
#d6d6d6
#e1e1e1
#ececec
}
constructor new {i_commit i_path} {
variable active_color
global cursor_ptr
set commit $i_commit
set path $i_path
make_toplevel top w
wm title $top "[appname] ([reponame]): File Viewer"
frame $w.header -background orange
label $w.header.commit_l \
-text {Commit:} \
-background orange \
-anchor w \
-justify left
set w_back $w.header.commit_b
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 \
-anchor w \
-justify left
label $w.header.path_l \
-text {File:} \
-background orange \
-anchor w \
-justify left
set w_path $w.header.path
label $w_path \
-background orange \
-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
frame $w.file_pane.out
frame $w.file_pane.cm
$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 -borderwidth 0 \
-state disabled \
-wrap none \
-height 40 \
-width 6 \
-font font_diff
$w_line tag conf linenumber -justify right -rmargin 5
set w_cgrp $w.file_pane.out.commit_t
text $w_cgrp \
-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 \
<Button-1> \
"[cb _load_commit @%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 \
-height 40 \
-width 80 \
-xscrollcommand [list $w.file_pane.out.sbx set] \
-font font_diff
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_line \
$w_cgrp \
$w_file \
] yview]
grid \
$w_cgrp \
$w_line \
$w_file \
$w.file_pane.out.sby \
-sticky nsew
grid conf $w.file_pane.out.sbx -column 2 -sticky we
grid columnconfigure $w.file_pane.out 2 -weight 1
grid rowconfigure $w.file_pane.out 0 -weight 1
set w_cmit $w.file_pane.cm.t
text $w_cmit \
-background white -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_cmit tag conf header_key \
-tabs {3c} \
-background $active_color \
-font font_uibold
$w_cmit tag conf header_val \
-background $active_color \
-font font_ui
$w_cmit tag raise sel
scrollbar $w.file_pane.cm.sbx \
-orient h \
-command [list $w_cmit xview]
scrollbar $w.file_pane.cm.sby \
-orient v \
-command [list $w_cmit 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
frame $w.status \
-borderwidth 1 \
-relief sunken
label $w.status.l \
-textvariable @status \
-anchor w \
-justify left
pack $w.status.l -side left
menu $w.ctxm -tearoff 0
$w.ctxm add command \
-label "Copy Commit" \
-command [cb _copycommit]
foreach i [list \
$w_cgrp \
$w_line \
$w_file] {
$i conf -cursor $cursor_ptr
$i conf -yscrollcommand \
[list many2scrollbar [list \
$w_cgrp \
$w_line \
$w_file \
] 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
"
}
foreach i [list \
$w_cgrp \
$w_line \
$w_file \
$w_cmit] {
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_cmit <Button-1> [list focus $w_cmit]
bind $top <Visibility> [list focus $top]
bind $w_file <Destroy> [list delete_this $this]
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 $top]
if {$req_w < 600} {set req_w 600}
if {$req_h < 400} {set req_h 400}
set g "${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 * 0.70)}]
bind $w.file_pane <Configure> \
"if {{$w.file_pane} eq {%W}} {[cb _resize %h]}"
_load $this
}
method _load {} {
_hide_tooltip $this
if {$total_lines != 0 || $current_fd ne {}} {
if {$current_fd ne {}} {
catch {close $current_fd}
set current_fd {}
}
set highlight_line -1
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_cgrp conf -state normal
$w_line conf -state normal
$w_file conf -state normal
$w_cgrp delete 0.0 end
$w_line delete 0.0 end
$w_file delete 0.0 end
$w_cgrp conf -state disabled
$w_line conf -state disabled
$w_file conf -state disabled
}
if {[winfo exists $w.status.c]} {
$w.status.c coords bar 0 0 0 20
} else {
canvas $w.status.c \
-width 100 \
-height [expr {int([winfo reqheight $w.status.l] * 0.6)}] \
-borderwidth 1 \
-relief groove \
-highlightt 0
$w.status.c create rectangle 0 0 0 20 -tags bar -fill navy
pack $w.status.c -side right
}
if {$history eq {}} {
$w_back conf -state disabled
} else {
$w_back conf -state normal
}
lappend history [list $commit $path]
set status "Loading $commit:[escape_path $path]..."
$w_path conf -text [escape_path $path]
if {$commit eq {}} {
set fd [open $path r]
} else {
set cmd [list git cat-file blob "$commit:$path"]
set fd [open "| $cmd" r]
}
fconfigure $fd -blocking 0 -translation lf -encoding binary
fileevent $fd readable [cb _read_file $fd]
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 $history] - 2}]
} {$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]...
} 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]
}
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 c f} {
set history [lrange $history 0 [expr {$i - 1}]]
set commit $c
set path $f
_load $this
}
method _read_file {fd} {
if {$fd ne $current_fd} {
catch {close $fd}
return
}
$w_cgrp conf -state normal
$w_line conf -state normal
$w_file conf -state normal
while {[gets $fd line] >= 0} {
regsub "\r\$" $line {} line
incr total_lines
if {$total_lines > 1} {
$w_cgrp insert end "\n"
$w_line insert end "\n"
$w_file 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
}
$w_cgrp conf -state disabled
$w_line conf -state disabled
$w_file 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
}
} ifdeleted { catch {close $fd} }
method _read_blame {fd} {
variable group_colors
if {$fd ne $current_fd} {
catch {close $fd}
return
}
$w_cgrp 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
if {[catch {set g $order($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
}
} elseif {[string match {filename *} $line]} {
set file [string range $line 9 end]
set n $r_line_count
set lno $r_final_line
set cmit $r_commit
if {[regexp {^0{40}$} $cmit]} {
set commit_abbr work
set commit_type curr_commit
} elseif {$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 4]
}
set author_abbr {}
set a_name {}
catch {set a_name $header($cmit,author)}
while {$a_name ne {}} {
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]
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 $file
} {
incr first_lno -1
}
while {$n > 0} {
set lno_e "$lno.0 lineend + 1c"
if {![catch {set g g$line_commit($lno)}]} {
$w_cgrp tag remove g$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 $lno_e
}
set line_commit($lno) $cmit
set line_file($lno) $file
$w_cgrp delete $lno.0 "$lno.0 lineend"
if {$lno == $first_lno} {
$w_cgrp insert $lno.0 $commit_abbr $commit_type
} elseif {$lno == [expr {$first_lno + 1}]} {
$w_cgrp insert $lno.0 $author_abbr
} else {
$w_cgrp 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 $lno_e
if {$highlight_line == -1} {
if {[lindex [$w_file yview] 0] == 0} {
$w_file see $lno.0
_showcommit $this $lno
}
} elseif {$highlight_line == $lno} {
_showcommit $this $lno
}
incr n -1
incr lno
incr blame_lines
}
while {
![catch {set ncmit $line_commit($lno)}]
&& ![catch {set nfile $line_file($lno)}]
&& $ncmit eq $cmit
&& $nfile eq $file
} {
$w_cgrp delete $lno.0 "$lno.0 lineend"
if {$lno == $first_lno} {
$w_cgrp insert $lno.0 $commit_abbr $commit_type
} elseif {$lno == [expr {$first_lno + 1}]} {
$w_cgrp insert $lno.0 $author_abbr
} else {
$w_cgrp insert $lno.0 { |}
}
incr lno
}
} elseif {[regexp {^([a-z-]+) (.*)$} $line line key data]} {
set header($r_commit,$key) $data
}
}
$w_cgrp conf -state disabled
if {[eof $fd]} {
close $fd
set current_fd {}
set status {Annotation complete.}
destroy $w.status.c
} else {
_status $this
}
} ifdeleted { catch {close $fd} }
method _status {} {
set have $blame_lines
set total $total_lines
set pdone 0
if {$total} {set pdone [expr {100 * $have / $total}]}
set status [format \
"Loading annotations... %i of %i lines annotated (%2i%%)" \
$have $total $pdone]
$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 $lno
}
method _load_commit {pos} {
set lno [lindex [split [$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 $this
}
method _showcommit {lno} {
global repo_config
variable active_color
if {$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 {}
}
$w_cmit conf -state normal
$w_cmit delete 0.0 end
if {[catch {set cmit $line_commit($lno)}]} {
set cmit {}
$w_cmit insert end "Loading annotation..."
} else {
$w_cgrp tag conf a$cmit -background $active_color
$w_line tag conf a$cmit -background $active_color
$w_file tag conf a$cmit -background $active_color
set author_name {}
set author_email {}
set author_time {}
catch {set author_name $header($cmit,author)}
catch {set author_email $header($cmit,author-mail)}
catch {set author_time [clock format \
$header($cmit,author-time) \
-format {%Y-%m-%d %H:%M:%S}
]}
set committer_name {}
set committer_email {}
set committer_time {}
catch {set committer_name $header($cmit,committer)}
catch {set committer_email $header($cmit,committer-mail)}
catch {set committer_time [clock format \
$header($cmit,committer-time) \
-format {%Y-%m-%d %H:%M:%S}
]}
if {[catch {set msg $header($cmit,message)}]} {
set msg {}
catch {
set fd [open "| git cat-file commit $cmit" r]
fconfigure $fd -encoding binary -translation lf
if {[catch {set enc $repo_config(i18n.commitencoding)}]} {
set enc utf-8
}
while {[gets $fd line] > 0} {
if {[string match {encoding *} $line]} {
set enc [string tolower [string range $line 9 end]]
}
}
set msg [encoding convertfrom $enc [read $fd]]
set msg [string trim $msg]
close $fd
set author_name [encoding convertfrom $enc $author_name]
set committer_name [encoding convertfrom $enc $committer_name]
set header($cmit,author) $author_name
set header($cmit,committer) $committer_name
}
set header($cmit,message) $msg
}
$w_cmit insert end "commit $cmit\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_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
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
}
$w_cmit insert end "\n$msg"
}
$w_cmit conf -state disabled
set highlight_line $lno
set highlight_commit $cmit
if {$highlight_commit eq $tooltip_commit} {
_hide_tooltip $this
}
}
method _copycommit {} {
set pos @$::cursorX,$::cursorY
set lno [lindex [split [$::cursorW index $pos] .] 0]
if {![catch {set commit $line_commit($lno)}]} {
clipboard clear
clipboard append \
-format STRING \
-type STRING \
-- $commit
}
}
method _show_tooltip {cur_w pos} {
set lno [lindex [split [$cur_w index $pos] .] 0]
if {[catch {set cmit $line_commit($lno)}]} {
_hide_tooltip $this
return
}
if {$cmit eq $highlight_commit} {
_hide_tooltip $this
return
}
if {$cmit eq $tooltip_commit} {
_position_tooltip $this
} elseif {$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 $this
return
}
set pos @[join [list \
[expr {$pos_x - [winfo rootx $cur_w]}] \
[expr {$pos_y - [winfo rooty $cur_w]}]] ,]
set lno [lindex [split [$cur_w index $pos] .] 0]
set cmit $line_commit($lno)
set author_name {}
set author_email {}
set author_time {}
catch {set author_name $header($cmit,author)}
catch {set author_email $header($cmit,author-mail)}
catch {set author_time [clock format \
$header($cmit,author-time) \
-format {%Y-%m-%d %H:%M:%S}
]}
set committer_name {}
set committer_email {}
set committer_time {}
catch {set committer_name $header($cmit,committer)}
catch {set committer_email $header($cmit,committer-mail)}
catch {set committer_time [clock format \
$header($cmit,committer-time) \
-format {%Y-%m-%d %H:%M:%S}
]}
set summary {}
catch {set summary $header($cmit,summary)}
set tooltip_commit $cmit
set tooltip_text "commit $cmit
$author_name $author_email $author_time
$summary"
set file $line_file($lno)
if {$file ne $path} {
append tooltip_text "
Original File: $file"
}
if {$tooltip_wm ne "$cur_w.tooltip"} {
_hide_tooltip $this
set tooltip_wm [toplevel $cur_w.tooltip -borderwidth 1]
wm overrideredirect $tooltip_wm 1
wm transient $tooltip_wm [winfo toplevel $cur_w]
pack [label $tooltip_wm.label \
-background lightyellow \
-foreground black \
-textvariable @tooltip_text \
-justify left]
}
_position_tooltip $this
}
method _position_tooltip {} {
set req_w [winfo reqwidth $tooltip_wm.label]
set req_h [winfo reqheight $tooltip_wm.label]
set pos_x [expr {[winfo pointerx .] + 5}]
set pos_y [expr {[winfo pointery .] + 10}]
set g "${req_w}x${req_h}"
if {$pos_x >= 0} {append g +}
append g $pos_x
if {$pos_y >= 0} {append g +}
append g $pos_y
wm geometry $tooltip_wm $g
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
}
}