+ $c scan $op 0 $y
+ }
+ }
+}
+
+proc scrollcanv {cscroll f0 f1} {
+ $cscroll set $f0 $f1
+ drawfrac $f0 $f1
+ flushhighlights
+}
+
+# when we make a key binding for the toplevel, make sure
+# it doesn't get triggered when that key is pressed in the
+# find string entry widget.
+proc bindkey {ev script} {
+ global entries
+ bind . $ev $script
+ set escript [bind Entry $ev]
+ if {$escript == {}} {
+ set escript [bind Entry <Key>]
+ }
+ foreach e $entries {
+ bind $e $ev "$escript; break"
+ }
+}
+
+# set the focus back to the toplevel for any click outside
+# the entry widgets
+proc click {w} {
+ global entries
+ foreach e $entries {
+ if {$w == $e} return
+ }
+ focus .
+}
+
+proc savestuff {w} {
+ global canv canv2 canv3 ctext cflist mainfont textfont uifont
+ global stuffsaved findmergefiles maxgraphpct
+ global maxwidth
+ global viewname viewfiles viewargs viewperm nextviewnum
+ global cmitmode
+
+ if {$stuffsaved} return
+ if {![winfo viewable .]} return
+ catch {
+ set f [open "~/.gitk-new" w]
+ puts $f [list set mainfont $mainfont]
+ puts $f [list set textfont $textfont]
+ puts $f [list set uifont $uifont]
+ puts $f [list set findmergefiles $findmergefiles]
+ puts $f [list set maxgraphpct $maxgraphpct]
+ puts $f [list set maxwidth $maxwidth]
+ puts $f [list set cmitmode $cmitmode]
+ puts $f "set geometry(width) [winfo width .ctop]"
+ puts $f "set geometry(height) [winfo height .ctop]"
+ puts $f "set geometry(canv1) [expr {[winfo width $canv]-2}]"
+ puts $f "set geometry(canv2) [expr {[winfo width $canv2]-2}]"
+ puts $f "set geometry(canv3) [expr {[winfo width $canv3]-2}]"
+ puts $f "set geometry(canvh) [expr {[winfo height $canv]-2}]"
+ set wid [expr {([winfo width $ctext] - 8) \
+ / [font measure $textfont "0"]}]
+ puts $f "set geometry(ctextw) $wid"
+ set wid [expr {([winfo width $cflist] - 11) \
+ / [font measure [$cflist cget -font] "0"]}]
+ puts $f "set geometry(cflistw) $wid"
+ puts -nonewline $f "set permviews {"
+ for {set v 0} {$v < $nextviewnum} {incr v} {
+ if {$viewperm($v)} {
+ puts $f "{[list $viewname($v) $viewfiles($v) $viewargs($v)]}"
+ }
+ }
+ puts $f "}"
+ close $f
+ file rename -force "~/.gitk-new" "~/.gitk"
+ }
+ set stuffsaved 1
+}
+
+proc resizeclistpanes {win w} {
+ global oldwidth
+ if {[info exists oldwidth($win)]} {
+ set s0 [$win sash coord 0]
+ set s1 [$win sash coord 1]
+ if {$w < 60} {
+ set sash0 [expr {int($w/2 - 2)}]
+ set sash1 [expr {int($w*5/6 - 2)}]
+ } else {
+ set factor [expr {1.0 * $w / $oldwidth($win)}]
+ set sash0 [expr {int($factor * [lindex $s0 0])}]
+ set sash1 [expr {int($factor * [lindex $s1 0])}]
+ if {$sash0 < 30} {
+ set sash0 30
+ }
+ if {$sash1 < $sash0 + 20} {
+ set sash1 [expr {$sash0 + 20}]
+ }
+ if {$sash1 > $w - 10} {
+ set sash1 [expr {$w - 10}]
+ if {$sash0 > $sash1 - 20} {
+ set sash0 [expr {$sash1 - 20}]
+ }
+ }
+ }
+ $win sash place 0 $sash0 [lindex $s0 1]
+ $win sash place 1 $sash1 [lindex $s1 1]
+ }
+ set oldwidth($win) $w
+}
+
+proc resizecdetpanes {win w} {
+ global oldwidth
+ if {[info exists oldwidth($win)]} {
+ set s0 [$win sash coord 0]
+ if {$w < 60} {
+ set sash0 [expr {int($w*3/4 - 2)}]
+ } else {
+ set factor [expr {1.0 * $w / $oldwidth($win)}]
+ set sash0 [expr {int($factor * [lindex $s0 0])}]
+ if {$sash0 < 45} {
+ set sash0 45
+ }
+ if {$sash0 > $w - 15} {
+ set sash0 [expr {$w - 15}]
+ }
+ }
+ $win sash place 0 $sash0 [lindex $s0 1]
+ }
+ set oldwidth($win) $w
+}
+
+proc allcanvs args {
+ global canv canv2 canv3
+ eval $canv $args
+ eval $canv2 $args
+ eval $canv3 $args
+}
+
+proc bindall {event action} {
+ global canv canv2 canv3
+ bind $canv $event $action
+ bind $canv2 $event $action
+ bind $canv3 $event $action
+}
+
+proc about {} {
+ set w .about
+ if {[winfo exists $w]} {
+ raise $w
+ return
+ }
+ toplevel $w
+ wm title $w "About gitk"
+ message $w.m -text {
+Gitk - a commit viewer for git
+
+Copyright © 2005-2006 Paul Mackerras
+
+Use and redistribute under the terms of the GNU General Public License} \
+ -justify center -aspect 400
+ pack $w.m -side top -fill x -padx 20 -pady 20
+ button $w.ok -text Close -command "destroy $w"
+ pack $w.ok -side bottom
+}
+
+proc keys {} {
+ set w .keys
+ if {[winfo exists $w]} {
+ raise $w
+ return
+ }
+ toplevel $w
+ wm title $w "Gitk key bindings"
+ message $w.m -text {
+Gitk key bindings:
+
+<Ctrl-Q> Quit
+<Home> Move to first commit
+<End> Move to last commit
+<Up>, p, i Move up one commit
+<Down>, n, k Move down one commit
+<Left>, z, j Go back in history list
+<Right>, x, l Go forward in history list
+<PageUp> Move up one page in commit list
+<PageDown> Move down one page in commit list
+<Ctrl-Home> Scroll to top of commit list
+<Ctrl-End> Scroll to bottom of commit list
+<Ctrl-Up> Scroll commit list up one line
+<Ctrl-Down> Scroll commit list down one line
+<Ctrl-PageUp> Scroll commit list up one page
+<Ctrl-PageDown> Scroll commit list down one page
+<Delete>, b Scroll diff view up one page
+<Backspace> Scroll diff view up one page
+<Space> Scroll diff view down one page
+u Scroll diff view up 18 lines
+d Scroll diff view down 18 lines
+<Ctrl-F> Find
+<Ctrl-G> Move to next find hit
+<Ctrl-R> Move to previous find hit
+<Return> Move to next find hit
+/ Move to next find hit, or redo find
+? Move to previous find hit
+f Scroll diff view to next file
+<Ctrl-KP+> Increase font size
+<Ctrl-plus> Increase font size
+<Ctrl-KP-> Decrease font size
+<Ctrl-minus> Decrease font size
+} \
+ -justify left -bg white -border 2 -relief sunken
+ pack $w.m -side top -fill both
+ button $w.ok -text Close -command "destroy $w"
+ pack $w.ok -side bottom
+}
+
+# Procedures for manipulating the file list window at the
+# bottom right of the overall window.
+
+proc treeview {w l openlevs} {
+ global treecontents treediropen treeheight treeparent treeindex
+
+ set ix 0
+ set treeindex() 0
+ set lev 0
+ set prefix {}
+ set prefixend -1
+ set prefendstack {}
+ set htstack {}
+ set ht 0
+ set treecontents() {}
+ $w conf -state normal
+ foreach f $l {
+ while {[string range $f 0 $prefixend] ne $prefix} {
+ if {$lev <= $openlevs} {
+ $w mark set e:$treeindex($prefix) "end -1c"
+ $w mark gravity e:$treeindex($prefix) left
+ }
+ set treeheight($prefix) $ht
+ incr ht [lindex $htstack end]
+ set htstack [lreplace $htstack end end]
+ set prefixend [lindex $prefendstack end]
+ set prefendstack [lreplace $prefendstack end end]
+ set prefix [string range $prefix 0 $prefixend]
+ incr lev -1
+ }
+ set tail [string range $f [expr {$prefixend+1}] end]
+ while {[set slash [string first "/" $tail]] >= 0} {
+ lappend htstack $ht
+ set ht 0
+ lappend prefendstack $prefixend
+ incr prefixend [expr {$slash + 1}]
+ set d [string range $tail 0 $slash]
+ lappend treecontents($prefix) $d
+ set oldprefix $prefix
+ append prefix $d
+ set treecontents($prefix) {}
+ set treeindex($prefix) [incr ix]
+ set treeparent($prefix) $oldprefix
+ set tail [string range $tail [expr {$slash+1}] end]
+ if {$lev <= $openlevs} {
+ set ht 1
+ set treediropen($prefix) [expr {$lev < $openlevs}]
+ set bm [expr {$lev == $openlevs? "tri-rt": "tri-dn"}]
+ $w mark set d:$ix "end -1c"
+ $w mark gravity d:$ix left
+ set str "\n"
+ for {set i 0} {$i < $lev} {incr i} {append str "\t"}
+ $w insert end $str
+ $w image create end -align center -image $bm -padx 1 \
+ -name a:$ix
+ $w insert end $d [highlight_tag $prefix]
+ $w mark set s:$ix "end -1c"
+ $w mark gravity s:$ix left
+ }
+ incr lev
+ }
+ if {$tail ne {}} {
+ if {$lev <= $openlevs} {
+ incr ht
+ set str "\n"
+ for {set i 0} {$i < $lev} {incr i} {append str "\t"}
+ $w insert end $str
+ $w insert end $tail [highlight_tag $f]
+ }
+ lappend treecontents($prefix) $tail
+ }
+ }
+ while {$htstack ne {}} {
+ set treeheight($prefix) $ht
+ incr ht [lindex $htstack end]
+ set htstack [lreplace $htstack end end]
+ }
+ $w conf -state disabled
+}
+
+proc linetoelt {l} {
+ global treeheight treecontents
+
+ set y 2
+ set prefix {}
+ while {1} {
+ foreach e $treecontents($prefix) {
+ if {$y == $l} {
+ return "$prefix$e"
+ }
+ set n 1
+ if {[string index $e end] eq "/"} {
+ set n $treeheight($prefix$e)
+ if {$y + $n > $l} {
+ append prefix $e
+ incr y
+ break
+ }
+ }
+ incr y $n
+ }
+ }
+}
+
+proc highlight_tree {y prefix} {
+ global treeheight treecontents cflist
+
+ foreach e $treecontents($prefix) {
+ set path $prefix$e
+ if {[highlight_tag $path] ne {}} {
+ $cflist tag add bold $y.0 "$y.0 lineend"
+ }
+ incr y
+ if {[string index $e end] eq "/" && $treeheight($path) > 1} {
+ set y [highlight_tree $y $path]
+ }
+ }
+ return $y
+}
+
+proc treeclosedir {w dir} {
+ global treediropen treeheight treeparent treeindex
+
+ set ix $treeindex($dir)
+ $w conf -state normal
+ $w delete s:$ix e:$ix
+ set treediropen($dir) 0
+ $w image configure a:$ix -image tri-rt
+ $w conf -state disabled
+ set n [expr {1 - $treeheight($dir)}]
+ while {$dir ne {}} {
+ incr treeheight($dir) $n
+ set dir $treeparent($dir)
+ }
+}
+
+proc treeopendir {w dir} {
+ global treediropen treeheight treeparent treecontents treeindex
+
+ set ix $treeindex($dir)
+ $w conf -state normal
+ $w image configure a:$ix -image tri-dn
+ $w mark set e:$ix s:$ix
+ $w mark gravity e:$ix right
+ set lev 0
+ set str "\n"
+ set n [llength $treecontents($dir)]
+ for {set x $dir} {$x ne {}} {set x $treeparent($x)} {
+ incr lev
+ append str "\t"
+ incr treeheight($x) $n
+ }
+ foreach e $treecontents($dir) {
+ set de $dir$e
+ if {[string index $e end] eq "/"} {
+ set iy $treeindex($de)
+ $w mark set d:$iy e:$ix
+ $w mark gravity d:$iy left
+ $w insert e:$ix $str
+ set treediropen($de) 0
+ $w image create e:$ix -align center -image tri-rt -padx 1 \
+ -name a:$iy
+ $w insert e:$ix $e [highlight_tag $de]
+ $w mark set s:$iy e:$ix
+ $w mark gravity s:$iy left
+ set treeheight($de) 1
+ } else {
+ $w insert e:$ix $str
+ $w insert e:$ix $e [highlight_tag $de]
+ }
+ }
+ $w mark gravity e:$ix left
+ $w conf -state disabled
+ set treediropen($dir) 1
+ set top [lindex [split [$w index @0,0] .] 0]
+ set ht [$w cget -height]
+ set l [lindex [split [$w index s:$ix] .] 0]
+ if {$l < $top} {
+ $w yview $l.0
+ } elseif {$l + $n + 1 > $top + $ht} {
+ set top [expr {$l + $n + 2 - $ht}]
+ if {$l < $top} {
+ set top $l
+ }
+ $w yview $top.0
+ }
+}
+
+proc treeclick {w x y} {
+ global treediropen cmitmode ctext cflist cflist_top
+
+ if {$cmitmode ne "tree"} return
+ if {![info exists cflist_top]} return
+ set l [lindex [split [$w index "@$x,$y"] "."] 0]
+ $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend"
+ $cflist tag add highlight $l.0 "$l.0 lineend"
+ set cflist_top $l
+ if {$l == 1} {
+ $ctext yview 1.0
+ return
+ }
+ set e [linetoelt $l]
+ if {[string index $e end] ne "/"} {
+ showfile $e
+ } elseif {$treediropen($e)} {
+ treeclosedir $w $e
+ } else {
+ treeopendir $w $e
+ }
+}
+
+proc setfilelist {id} {
+ global treefilelist cflist
+
+ treeview $cflist $treefilelist($id) 0
+}
+
+image create bitmap tri-rt -background black -foreground blue -data {
+ #define tri-rt_width 13
+ #define tri-rt_height 13
+ static unsigned char tri-rt_bits[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x30, 0x00, 0x70, 0x00, 0xf0, 0x00,
+ 0xf0, 0x01, 0xf0, 0x00, 0x70, 0x00, 0x30, 0x00, 0x10, 0x00, 0x00, 0x00,
+ 0x00, 0x00};
+} -maskdata {
+ #define tri-rt-mask_width 13
+ #define tri-rt-mask_height 13
+ static unsigned char tri-rt-mask_bits[] = {
+ 0x08, 0x00, 0x18, 0x00, 0x38, 0x00, 0x78, 0x00, 0xf8, 0x00, 0xf8, 0x01,
+ 0xf8, 0x03, 0xf8, 0x01, 0xf8, 0x00, 0x78, 0x00, 0x38, 0x00, 0x18, 0x00,
+ 0x08, 0x00};
+}
+image create bitmap tri-dn -background black -foreground blue -data {
+ #define tri-dn_width 13
+ #define tri-dn_height 13
+ static unsigned char tri-dn_bits[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x07, 0xf8, 0x03,
+ 0xf0, 0x01, 0xe0, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00};
+} -maskdata {
+ #define tri-dn-mask_width 13
+ #define tri-dn-mask_height 13
+ static unsigned char tri-dn-mask_bits[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x1f, 0xfe, 0x0f, 0xfc, 0x07,
+ 0xf8, 0x03, 0xf0, 0x01, 0xe0, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00};
+}
+
+proc init_flist {first} {
+ global cflist cflist_top selectedline difffilestart
+
+ $cflist conf -state normal
+ $cflist delete 0.0 end
+ if {$first ne {}} {
+ $cflist insert end $first
+ set cflist_top 1
+ $cflist tag add highlight 1.0 "1.0 lineend"
+ } else {
+ catch {unset cflist_top}
+ }
+ $cflist conf -state disabled
+ set difffilestart {}
+}
+
+proc highlight_tag {f} {
+ global highlight_paths
+
+ foreach p $highlight_paths {
+ if {[string match $p $f]} {
+ return "bold"
+ }
+ }
+ return {}
+}
+
+proc highlight_filelist {} {
+ global cmitmode cflist
+
+ $cflist conf -state normal
+ if {$cmitmode ne "tree"} {
+ set end [lindex [split [$cflist index end] .] 0]
+ for {set l 2} {$l < $end} {incr l} {
+ set line [$cflist get $l.0 "$l.0 lineend"]
+ if {[highlight_tag $line] ne {}} {
+ $cflist tag add bold $l.0 "$l.0 lineend"
+ }
+ }
+ } else {
+ highlight_tree 2 {}
+ }
+ $cflist conf -state disabled
+}
+
+proc unhighlight_filelist {} {
+ global cflist
+
+ $cflist conf -state normal
+ $cflist tag remove bold 1.0 end
+ $cflist conf -state disabled
+}
+
+proc add_flist {fl} {
+ global cflist
+
+ $cflist conf -state normal
+ foreach f $fl {
+ $cflist insert end "\n"
+ $cflist insert end $f [highlight_tag $f]
+ }
+ $cflist conf -state disabled
+}
+
+proc sel_flist {w x y} {
+ global ctext difffilestart cflist cflist_top cmitmode
+
+ if {$cmitmode eq "tree"} return
+ if {![info exists cflist_top]} return
+ set l [lindex [split [$w index "@$x,$y"] "."] 0]
+ $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend"
+ $cflist tag add highlight $l.0 "$l.0 lineend"
+ set cflist_top $l
+ if {$l == 1} {
+ $ctext yview 1.0
+ } else {
+ catch {$ctext yview [lindex $difffilestart [expr {$l - 2}]]}
+ }
+}
+
+# Functions for adding and removing shell-type quoting
+
+proc shellquote {str} {
+ if {![string match "*\['\"\\ \t]*" $str]} {
+ return $str
+ }
+ if {![string match "*\['\"\\]*" $str]} {
+ return "\"$str\""
+ }
+ if {![string match "*'*" $str]} {
+ return "'$str'"
+ }
+ return "\"[string map {\" \\\" \\ \\\\} $str]\""
+}
+
+proc shellarglist {l} {
+ set str {}
+ foreach a $l {
+ if {$str ne {}} {
+ append str " "
+ }
+ append str [shellquote $a]
+ }
+ return $str
+}
+
+proc shelldequote {str} {
+ set ret {}
+ set used -1
+ while {1} {
+ incr used
+ if {![regexp -start $used -indices "\['\"\\\\ \t]" $str first]} {
+ append ret [string range $str $used end]
+ set used [string length $str]
+ break
+ }
+ set first [lindex $first 0]
+ set ch [string index $str $first]
+ if {$first > $used} {
+ append ret [string range $str $used [expr {$first - 1}]]
+ set used $first
+ }
+ if {$ch eq " " || $ch eq "\t"} break
+ incr used
+ if {$ch eq "'"} {
+ set first [string first "'" $str $used]
+ if {$first < 0} {
+ error "unmatched single-quote"
+ }
+ append ret [string range $str $used [expr {$first - 1}]]
+ set used $first
+ continue
+ }
+ if {$ch eq "\\"} {
+ if {$used >= [string length $str]} {
+ error "trailing backslash"
+ }
+ append ret [string index $str $used]
+ continue
+ }
+ # here ch == "\""
+ while {1} {
+ if {![regexp -start $used -indices "\[\"\\\\]" $str first]} {
+ error "unmatched double-quote"
+ }
+ set first [lindex $first 0]
+ set ch [string index $str $first]
+ if {$first > $used} {
+ append ret [string range $str $used [expr {$first - 1}]]
+ set used $first
+ }
+ if {$ch eq "\""} break
+ incr used
+ append ret [string index $str $used]
+ incr used
+ }
+ }
+ return [list $used $ret]
+}
+
+proc shellsplit {str} {
+ set l {}
+ while {1} {
+ set str [string trimleft $str]
+ if {$str eq {}} break
+ set dq [shelldequote $str]
+ set n [lindex $dq 0]
+ set word [lindex $dq 1]
+ set str [string range $str $n end]
+ lappend l $word
+ }
+ return $l
+}
+
+# Code to implement multiple views
+
+proc newview {ishighlight} {
+ global nextviewnum newviewname newviewperm uifont newishighlight
+ global newviewargs revtreeargs
+
+ set newishighlight $ishighlight
+ set top .gitkview
+ if {[winfo exists $top]} {
+ raise $top
+ return
+ }
+ set newviewname($nextviewnum) "View $nextviewnum"
+ set newviewperm($nextviewnum) 0
+ set newviewargs($nextviewnum) [shellarglist $revtreeargs]
+ vieweditor $top $nextviewnum "Gitk view definition"
+}
+
+proc editview {} {
+ global curview
+ global viewname viewperm newviewname newviewperm
+ global viewargs newviewargs
+
+ set top .gitkvedit-$curview
+ if {[winfo exists $top]} {
+ raise $top
+ return
+ }
+ set newviewname($curview) $viewname($curview)
+ set newviewperm($curview) $viewperm($curview)
+ set newviewargs($curview) [shellarglist $viewargs($curview)]
+ vieweditor $top $curview "Gitk: edit view $viewname($curview)"
+}
+
+proc vieweditor {top n title} {
+ global newviewname newviewperm viewfiles
+ global uifont
+
+ toplevel $top
+ wm title $top $title
+ label $top.nl -text "Name" -font $uifont
+ entry $top.name -width 20 -textvariable newviewname($n)
+ grid $top.nl $top.name -sticky w -pady 5
+ checkbutton $top.perm -text "Remember this view" -variable newviewperm($n)
+ grid $top.perm - -pady 5 -sticky w
+ message $top.al -aspect 1000 -font $uifont \
+ -text "Commits to include (arguments to git-rev-list):"
+ grid $top.al - -sticky w -pady 5
+ entry $top.args -width 50 -textvariable newviewargs($n) \
+ -background white
+ grid $top.args - -sticky ew -padx 5
+ message $top.l -aspect 1000 -font $uifont \
+ -text "Enter files and directories to include, one per line:"
+ grid $top.l - -sticky w
+ text $top.t -width 40 -height 10 -background white
+ if {[info exists viewfiles($n)]} {
+ foreach f $viewfiles($n) {
+ $top.t insert end $f
+ $top.t insert end "\n"
+ }
+ $top.t delete {end - 1c} end
+ $top.t mark set insert 0.0
+ }
+ grid $top.t - -sticky ew -padx 5
+ frame $top.buts
+ button $top.buts.ok -text "OK" -command [list newviewok $top $n]
+ button $top.buts.can -text "Cancel" -command [list destroy $top]
+ grid $top.buts.ok $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid $top.buts - -pady 10 -sticky ew
+ focus $top.t
+}
+
+proc doviewmenu {m first cmd op argv} {
+ set nmenu [$m index end]
+ for {set i $first} {$i <= $nmenu} {incr i} {
+ if {[$m entrycget $i -command] eq $cmd} {
+ eval $m $op $i $argv
+ break
+ }
+ }
+}
+
+proc allviewmenus {n op args} {
+ global viewhlmenu
+
+ doviewmenu .bar.view 7 [list showview $n] $op $args
+ doviewmenu $viewhlmenu 1 [list addvhighlight $n] $op $args
+}
+
+proc newviewok {top n} {
+ global nextviewnum newviewperm newviewname newishighlight
+ global viewname viewfiles viewperm selectedview curview
+ global viewargs newviewargs viewhlmenu
+
+ if {[catch {
+ set newargs [shellsplit $newviewargs($n)]
+ } err]} {
+ error_popup "Error in commit selection arguments: $err"
+ wm raise $top
+ focus $top
+ return
+ }
+ set files {}
+ foreach f [split [$top.t get 0.0 end] "\n"] {
+ set ft [string trim $f]
+ if {$ft ne {}} {
+ lappend files $ft
+ }
+ }
+ if {![info exists viewfiles($n)]} {
+ # creating a new view
+ incr nextviewnum
+ set viewname($n) $newviewname($n)
+ set viewperm($n) $newviewperm($n)
+ set viewfiles($n) $files
+ set viewargs($n) $newargs
+ addviewmenu $n
+ if {!$newishighlight} {
+ after idle showview $n
+ } else {
+ after idle addvhighlight $n
+ }
+ } else {
+ # editing an existing view
+ set viewperm($n) $newviewperm($n)
+ if {$newviewname($n) ne $viewname($n)} {
+ set viewname($n) $newviewname($n)
+ doviewmenu .bar.view 7 [list showview $n] \
+ entryconf [list -label $viewname($n)]
+ doviewmenu $viewhlmenu 1 [list addvhighlight $n] \
+ entryconf [list -label $viewname($n) -value $viewname($n)]
+ }
+ if {$files ne $viewfiles($n) || $newargs ne $viewargs($n)} {
+ set viewfiles($n) $files
+ set viewargs($n) $newargs
+ if {$curview == $n} {
+ after idle updatecommits
+ }
+ }
+ }
+ catch {destroy $top}
+}
+
+proc delview {} {
+ global curview viewdata viewperm hlview selectedhlview
+
+ if {$curview == 0} return
+ if {[info exists hlview] && $hlview == $curview} {
+ set selectedhlview None
+ unset hlview
+ }
+ allviewmenus $curview delete
+ set viewdata($curview) {}
+ set viewperm($curview) 0
+ showview 0
+}
+
+proc addviewmenu {n} {
+ global viewname viewhlmenu
+
+ .bar.view add radiobutton -label $viewname($n) \
+ -command [list showview $n] -variable selectedview -value $n
+ $viewhlmenu add radiobutton -label $viewname($n) \
+ -command [list addvhighlight $n] -variable selectedhlview
+}
+
+proc flatten {var} {
+ global $var
+
+ set ret {}
+ foreach i [array names $var] {
+ lappend ret $i [set $var\($i\)]
+ }
+ return $ret
+}
+
+proc unflatten {var l} {
+ global $var
+
+ catch {unset $var}
+ foreach {i v} $l {
+ set $var\($i\) $v
+ }
+}
+
+proc showview {n} {
+ global curview viewdata viewfiles
+ global displayorder parentlist childlist rowidlist rowoffsets
+ global colormap rowtextx commitrow nextcolor canvxmax
+ global numcommits rowrangelist commitlisted idrowranges
+ global selectedline currentid canv canvy0
+ global matchinglines treediffs
+ global pending_select phase
+ global commitidx rowlaidout rowoptim linesegends
+ global commfd nextupdate
+ global selectedview
+ global vparentlist vchildlist vdisporder vcmitlisted
+ global hlview selectedhlview
+
+ if {$n == $curview} return
+ set selid {}
+ if {[info exists selectedline]} {
+ set selid $currentid
+ set y [yc $selectedline]
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ set span [$canv yview]
+ set ytop [expr {[lindex $span 0] * $ymax}]
+ set ybot [expr {[lindex $span 1] * $ymax}]
+ if {$ytop < $y && $y < $ybot} {
+ set yscreen [expr {$y - $ytop}]
+ } else {
+ set yscreen [expr {($ybot - $ytop) / 2}]
+ }
+ }
+ unselectline
+ normalline
+ stopfindproc
+ if {$curview >= 0} {
+ set vparentlist($curview) $parentlist
+ set vchildlist($curview) $childlist
+ set vdisporder($curview) $displayorder
+ set vcmitlisted($curview) $commitlisted
+ if {$phase ne {}} {
+ set viewdata($curview) \
+ [list $phase $rowidlist $rowoffsets $rowrangelist \
+ [flatten idrowranges] [flatten idinlist] \
+ $rowlaidout $rowoptim $numcommits $linesegends]
+ } elseif {![info exists viewdata($curview)]
+ || [lindex $viewdata($curview) 0] ne {}} {
+ set viewdata($curview) \
+ [list {} $rowidlist $rowoffsets $rowrangelist]
+ }
+ }
+ catch {unset matchinglines}
+ catch {unset treediffs}
+ clear_display
+ if {[info exists hlview] && $hlview == $n} {
+ unset hlview
+ set selectedhlview None
+ }
+
+ set curview $n
+ set selectedview $n
+ .bar.view entryconf 2 -state [expr {$n == 0? "disabled": "normal"}]
+ .bar.view entryconf 3 -state [expr {$n == 0? "disabled": "normal"}]
+
+ if {![info exists viewdata($n)]} {
+ set pending_select $selid
+ getcommits
+ return
+ }
+
+ set v $viewdata($n)
+ set phase [lindex $v 0]
+ set displayorder $vdisporder($n)
+ set parentlist $vparentlist($n)
+ set childlist $vchildlist($n)
+ set commitlisted $vcmitlisted($n)
+ set rowidlist [lindex $v 1]
+ set rowoffsets [lindex $v 2]
+ set rowrangelist [lindex $v 3]
+ if {$phase eq {}} {
+ set numcommits [llength $displayorder]
+ catch {unset idrowranges}
+ } else {
+ unflatten idrowranges [lindex $v 4]
+ unflatten idinlist [lindex $v 5]
+ set rowlaidout [lindex $v 6]
+ set rowoptim [lindex $v 7]
+ set numcommits [lindex $v 8]
+ set linesegends [lindex $v 9]
+ }
+
+ catch {unset colormap}
+ catch {unset rowtextx}
+ set nextcolor 0
+ set canvxmax [$canv cget -width]
+ set curview $n
+ set row 0
+ setcanvscroll
+ set yf 0
+ set row 0
+ if {$selid ne {} && [info exists commitrow($n,$selid)]} {
+ set row $commitrow($n,$selid)
+ # try to get the selected row in the same position on the screen
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ set ytop [expr {[yc $row] - $yscreen}]
+ if {$ytop < 0} {
+ set ytop 0
+ }
+ set yf [expr {$ytop * 1.0 / $ymax}]
+ }
+ allcanvs yview moveto $yf
+ drawvisible
+ selectline $row 0
+ if {$phase ne {}} {
+ if {$phase eq "getcommits"} {
+ show_status "Reading commits..."
+ }
+ if {[info exists commfd($n)]} {
+ layoutmore
+ } else {
+ finishcommits
+ }
+ } elseif {$numcommits == 0} {
+ show_status "No commits selected"
+ }
+}
+
+# Stuff relating to the highlighting facility
+
+proc ishighlighted {row} {
+ global vhighlights fhighlights nhighlights rhighlights
+
+ if {[info exists nhighlights($row)] && $nhighlights($row) > 0} {
+ return $nhighlights($row)
+ }
+ if {[info exists vhighlights($row)] && $vhighlights($row) > 0} {
+ return $vhighlights($row)
+ }
+ if {[info exists fhighlights($row)] && $fhighlights($row) > 0} {
+ return $fhighlights($row)
+ }
+ if {[info exists rhighlights($row)] && $rhighlights($row) > 0} {
+ return $rhighlights($row)
+ }
+ return 0
+}
+
+proc bolden {row font} {
+ global canv linehtag selectedline
+
+ $canv itemconf $linehtag($row) -font $font
+ if {[info exists selectedline] && $row == $selectedline} {
+ $canv delete secsel
+ set t [eval $canv create rect [$canv bbox $linehtag($row)] \
+ -outline {{}} -tags secsel \
+ -fill [$canv cget -selectbackground]]
+ $canv lower $t
+ }
+}
+
+proc bolden_name {row font} {
+ global canv2 linentag selectedline
+
+ $canv2 itemconf $linentag($row) -font $font
+ if {[info exists selectedline] && $row == $selectedline} {
+ $canv2 delete secsel
+ set t [eval $canv2 create rect [$canv2 bbox $linentag($row)] \
+ -outline {{}} -tags secsel \
+ -fill [$canv2 cget -selectbackground]]
+ $canv2 lower $t
+ }
+}
+
+proc unbolden {rows} {
+ global mainfont
+
+ foreach row $rows {
+ if {![ishighlighted $row]} {
+ bolden $row $mainfont
+ }
+ }
+}
+
+proc addvhighlight {n} {
+ global hlview curview viewdata vhl_done vhighlights commitidx
+
+ if {[info exists hlview]} {
+ delvhighlight
+ }
+ set hlview $n
+ if {$n != $curview && ![info exists viewdata($n)]} {
+ set viewdata($n) [list getcommits {{}} {{}} {} {} {} 0 0 0 {}]
+ set vparentlist($n) {}
+ set vchildlist($n) {}
+ set vdisporder($n) {}
+ set vcmitlisted($n) {}
+ start_rev_list $n
+ }
+ set vhl_done $commitidx($hlview)
+ if {$vhl_done > 0} {
+ drawvisible
+ }
+}
+
+proc delvhighlight {} {
+ global hlview vhighlights
+
+ if {![info exists hlview]} return
+ unset hlview
+ set rows [array names vhighlights]
+ if {$rows ne {}} {
+ unset vhighlights
+ unbolden $rows
+ }
+}
+
+proc vhighlightmore {} {
+ global hlview vhl_done commitidx vhighlights
+ global displayorder vdisporder curview mainfont
+
+ set font [concat $mainfont bold]
+ set max $commitidx($hlview)
+ if {$hlview == $curview} {
+ set disp $displayorder
+ } else {
+ set disp $vdisporder($hlview)
+ }
+ set vr [visiblerows]
+ set r0 [lindex $vr 0]
+ set r1 [lindex $vr 1]
+ for {set i $vhl_done} {$i < $max} {incr i} {
+ set id [lindex $disp $i]
+ if {[info exists commitrow($curview,$id)]} {
+ set row $commitrow($curview,$id)
+ if {$r0 <= $row && $row <= $r1} {
+ if {![highlighted $row]} {
+ bolden $row $font
+ }
+ set vhighlights($row) 1
+ }
+ }
+ }
+ set vhl_done $max
+}
+
+proc askvhighlight {row id} {
+ global hlview vhighlights commitrow iddrawn mainfont
+
+ if {[info exists commitrow($hlview,$id)]} {
+ if {[info exists iddrawn($id)] && ![ishighlighted $row]} {
+ bolden $row [concat $mainfont bold]
+ }
+ set vhighlights($row) 1
+ } else {
+ set vhighlights($row) 0
+ }
+}
+
+proc hfiles_change {name ix op} {
+ global highlight_files filehighlight fhighlights fh_serial
+ global mainfont highlight_paths
+
+ if {[info exists filehighlight]} {
+ # delete previous highlights
+ catch {close $filehighlight}
+ unset filehighlight
+ set rows [array names fhighlights]
+ if {$rows ne {}} {
+ unset fhighlights
+ unbolden $rows
+ }
+ unhighlight_filelist
+ }
+ set highlight_paths {}
+ after cancel do_file_hl $fh_serial
+ incr fh_serial
+ if {$highlight_files ne {}} {
+ after 300 do_file_hl $fh_serial
+ }
+}
+
+proc makepatterns {l} {
+ set ret {}
+ foreach e $l {
+ set ee [string map {"*" "\\*" "?" "\\?" "\[" "\\\[" "\\" "\\\\"} $e]
+ if {[string index $ee end] eq "/"} {
+ lappend ret "$ee*"
+ } else {
+ lappend ret $ee
+ lappend ret "$ee/*"
+ }
+ }
+ return $ret
+}
+
+proc do_file_hl {serial} {
+ global highlight_files filehighlight highlight_paths gdttype
+
+ if {$gdttype eq "touching paths:"} {
+ if {[catch {set paths [shellsplit $highlight_files]}]} return
+ set highlight_paths [makepatterns $paths]
+ highlight_filelist
+ set gdtargs [concat -- $paths]
+ } else {
+ set gdtargs [list "-S$highlight_files"]
+ }
+ set cmd [concat | git-diff-tree -r -s --stdin $gdtargs]
+ set filehighlight [open $cmd r+]
+ fconfigure $filehighlight -blocking 0
+ fileevent $filehighlight readable readfhighlight
+ drawvisible
+ flushhighlights
+}
+
+proc flushhighlights {} {
+ global filehighlight
+
+ if {[info exists filehighlight]} {
+ puts $filehighlight ""
+ flush $filehighlight
+ }
+}
+
+proc askfilehighlight {row id} {
+ global filehighlight fhighlights
+
+ set fhighlights($row) 0
+ puts $filehighlight $id
+}
+
+proc readfhighlight {} {
+ global filehighlight fhighlights commitrow curview mainfont iddrawn
+
+ set n [gets $filehighlight line]
+ if {$n < 0} {
+ if {[eof $filehighlight]} {
+ # strange...
+ puts "oops, git-diff-tree died"
+ catch {close $filehighlight}
+ unset filehighlight
+ }
+ return
+ }
+ set line [string trim $line]
+ if {$line eq {}} return
+ if {![info exists commitrow($curview,$line)]} return
+ set row $commitrow($curview,$line)
+ if {[info exists iddrawn($line)] && ![ishighlighted $row]} {
+ bolden $row [concat $mainfont bold]
+ }
+ set fhighlights($row) 1
+}
+
+proc find_change {name ix op} {
+ global nhighlights mainfont
+ global findstring findpattern findtype
+
+ # delete previous highlights, if any
+ set rows [array names nhighlights]
+ if {$rows ne {}} {
+ foreach row $rows {
+ if {$nhighlights($row) >= 2} {
+ bolden_name $row $mainfont
+ }
+ }
+ unset nhighlights
+ unbolden $rows
+ }
+ if {$findtype ne "Regexp"} {
+ set e [string map {"*" "\\*" "?" "\\?" "\[" "\\\[" "\\" "\\\\"} \
+ $findstring]
+ set findpattern "*$e*"
+ }
+ drawvisible
+}
+
+proc askfindhighlight {row id} {
+ global nhighlights commitinfo iddrawn mainfont
+ global findstring findtype findloc findpattern
+
+ if {![info exists commitinfo($id)]} {
+ getcommit $id
+ }
+ set info $commitinfo($id)
+ set isbold 0
+ set fldtypes {Headline Author Date Committer CDate Comments}
+ foreach f $info ty $fldtypes {
+ if {$findloc ne "All fields" && $findloc ne $ty} {
+ continue
+ }
+ if {$findtype eq "Regexp"} {
+ set doesmatch [regexp $findstring $f]
+ } elseif {$findtype eq "IgnCase"} {
+ set doesmatch [string match -nocase $findpattern $f]
+ } else {
+ set doesmatch [string match $findpattern $f]
+ }
+ if {$doesmatch} {
+ if {$ty eq "Author"} {
+ set isbold 2
+ } else {
+ set isbold 1
+ }
+ }
+ }
+ if {[info exists iddrawn($id)]} {
+ if {$isbold && ![ishighlighted $row]} {
+ bolden $row [concat $mainfont bold]
+ }
+ if {$isbold >= 2} {
+ bolden_name $row [concat $mainfont bold]