class blame {
-field commit ; # input commit to blame
-field path ; # input filename to view in $commit
+image create photo ::blame::img_back_arrow -data {R0lGODlhGAAYAIUAAPwCBEzKXFTSZIz+nGzmhGzqfGTidIT+nEzGXHTqhGzmfGzifFzadETCVES+VARWDFzWbHzyjAReDGTadFTOZDSyRDyyTCymPARaFGTedFzSbDy2TCyqRCyqPARaDAyCHES6VDy6VCyiPAR6HCSeNByWLARyFARiDARqFGTifARiFAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAAAALAAAAAAYABgAAAajQIBwSCwaj8ikcsk0BppJwRPqHEypQwHBis0WDAdEFyBIKBaMAKLBdjQeSkFBYTBAIvgEoS6JmhUTEwIUDQ4VFhcMGEhyCgoZExoUaxsWHB0THkgfAXUGAhoBDSAVFR0XBnCbDRmgog0hpSIiDJpJIyEQhBUcJCIlwA22SSYVogknEg8eD82qSigdDSknY0IqJQXPYxIl1dZCGNvWw+Dm510GQQAh/mhDcmVhdGVkIGJ5IEJNUFRvR0lGIFBybyB2ZXJzaW9uIDIuNQ0KqSBEZXZlbENvciAxOTk3LDE5OTguIEFsbCByaWdodHMgcmVzZXJ2ZWQuDQpodHRwOi8vd3d3LmRldmVsY29yLmNvbQA7}
+
+# 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_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
+
+# Tk UI colors
+#
+field active_color #c0edc5
+field group_colors {
+ #d6d6d6
+ #e1e1e1
+ #ececec
+}
-field w
-field w_line
-field w_cgrp
-field w_load
-field w_file
-field w_cmit
-field status
-field old_height
+# Current blame data; cleared/reset on each load
+#
+field commit ; # input commit to blame
+field path ; # input filename to view in $commit
-field highlight_line -1 ; # current line selected
-field highlight_commit {} ; # sha1 of commit selected
+field current_fd {} ; # background process running
+field highlight_line -1 ; # current line 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 line_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
make_toplevel top w
wm title $top "[appname] ([reponame]): File Viewer"
- set status "Loading $commit:$path..."
- label $w.path -text "$commit:$path" \
+ frame $w.header -background orange
+ label $w.header.commit_l \
+ -text {Commit:} \
+ -background orange \
-anchor w \
- -justify left \
- -borderwidth 1 \
- -relief sunken \
- -font font_uibold
+ -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
-height 25 \
-width 100
- set w_load $w.file_pane.out.loaded_t
- text $w_load \
- -background white -borderwidth 0 \
- -state disabled \
- -wrap none \
- -height 40 \
- -width 1 \
- -font font_diff
- $w_load tag conf annotated -background grey
-
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 5 \
+ -width 6 \
-font font_diff
- $w_line tag conf linenumber -justify right
+ $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 \
-xscrollcommand [list $w.file_pane.out.sbx set] \
-font font_diff
+ set w_columns [list $w_cgrp $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
- label $w.status \
- -textvariable @status \
- -anchor w \
- -justify left \
- -borderwidth 1 \
- -relief sunken
-
set w_cmit $w.file_pane.cm.t
text $w_cmit \
-background white -borderwidth 0 \
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_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]
"
}
- foreach i [list \
- $w_cgrp \
- $w_load \
- $w_line \
- $w_file \
- $w_cmit] {
+ foreach i [concat $w_columns $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 $w_cmit <Button-1> [list focus $w_cmit]
bind $top <Visibility> [list focus $top]
- bind $top <Destroy> [list delete_this $this]
+ bind $w_file <Destroy> [list delete_this $this]
- grid configure $w.path -sticky ew
+ 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
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 {}
+ }
+
+ 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_commit {}
+ set total_lines 0
+ set blame_lines 0
+ array unset have_commit
+ }
+
+ 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]
+
+ # 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 line_data [list [list]]
+
+ set status "Loading $commit:[escape_path $path]..."
+ $w_path conf -text [escape_path $path]
if {$commit eq {}} {
set fd [open $path r]
} else {
}
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} {
- $w_load conf -state normal
- $w_cgrp conf -state normal
- $w_line conf -state normal
- $w_file conf -state normal
+ if {$fd ne $current_fd} {
+ catch {close $fd}
+ return
+ }
+
+ foreach i $w_columns {$i conf -state normal}
while {[gets $fd line] >= 0} {
regsub "\r\$" $line {} line
incr total_lines
+ lappend line_data {}
if {$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 $this
- set cmd [list git blame -M -C --incremental]
+ set cmd {nice git blame -M -C --incremental}
if {$commit eq {}} {
lappend cmd --contents $path
} else {
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} {
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 $line 9 end]
if {[regexp {^0{40}$} $cmit]} {
set commit_abbr work
+ set commit_type curr_commit
+ } elseif {$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 first_lno $lno
while {
- ![catch {set ncmit $line_commit([expr {$first_lno - 1}])}]
- && $ncmit eq $cmit
+ $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 $lno_e
+ }
}
-
- set line_commit($lno) $cmit
- set line_file($lno) $file
+ lset line_data $lno [list $cmit $file]
$w_cgrp delete $lno.0 "$lno.0 lineend"
if {$lno == $first_lno} {
- $w_cgrp insert $lno.0 $commit_abbr
+ $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
+ foreach i $w_columns {
+ $i tag add g$cmit $lno.0 $lno_e
+ }
if {$highlight_line == -1} {
if {[lindex [$w_file yview] 0] == 0} {
incr blame_lines
}
- while {![catch {set ncmit $line_commit($lno)}]
- && $ncmit eq $cmit} {
+ while {
+ $cmit eq [lindex $line_data $lno 0]
+ && $file eq [lindex $line_data $lno 1]
+ } {
$w_cgrp delete $lno.0 "$lno.0 lineend"
if {$lno == $first_lno} {
- $w_cgrp insert $lno.0 $commit_abbr
+ $w_cgrp insert $lno.0 $commit_abbr $commit_type
} elseif {$lno == [expr {$first_lno + 1}]} {
$w_cgrp insert $lno.0 $author_abbr
} else {
if {[eof $fd]} {
close $fd
+ set current_fd {}
set status {Annotation complete.}
+ destroy $w.status.c
} else {
_status $this
}
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} {
_showcommit $this $lno
}
+method _load_commit {pos} {
+ set lno [lindex [split [$w_cgrp index $pos] .] 0]
+ set dat [lindex $line_data $lno]
+ if {$dat ne {}} {
+ set commit [lindex $dat 0]
+ set path [lindex $dat 1]
+ _load $this
+ }
+}
+
method _showcommit {lno} {
global repo_config
- variable active_color
if {$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)}]} {
+
+ set dat [lindex $line_data $lno]
+ if {$dat eq {}} {
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 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 {}
$w_cmit insert end "$committer_name $committer_email" header_val
$w_cmit insert end "$committer_time\n" header_val
- if {$line_file($lno) ne $path} {
+ if {$file 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 "[escape_path $file]\n" header_val
}
$w_cmit insert end "\n$msg"
method _copycommit {} {
set pos @$::cursorX,$::cursorY
set lno [lindex [split [$::cursorW index $pos] .] 0]
- if {![catch {set commit $line_commit($lno)}]} {
+ set dat [lindex $line_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)}]} {
+ set dat [lindex $line_data $lno]
+ if {$dat eq {}} {
_hide_tooltip $this
return
}
+ set cmit [lindex $dat 0]
if {$cmit eq $highlight_commit} {
_hide_tooltip $this
[expr {$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 dat [lindex $line_data $lno]
+ set cmit [lindex $dat 0]
+ set file [lindex $dat 1]
set author_name {}
set author_email {}
$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