+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
+ $w mark set s:$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 $tail
+ }
+ lappend treecontents($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 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) {
+ if {[string index $e end] eq "/"} {
+ set de $dir$e
+ 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
+ $w mark set s:$iy e:$ix
+ $w mark gravity s:$iy left
+ set treeheight($de) 1
+ } else {
+ $w insert e:$ix $str
+ $w insert e:$ix $e
+ }
+ }
+ $w mark gravity e:$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 add_flist {fl} {
+ global flistmode cflist
+
+ $cflist conf -state normal
+ if {$flistmode eq "flat"} {
+ foreach f $fl {
+ $cflist insert end "\n$f"
+ }
+ }
+ $cflist conf -state disabled
+}
+
+proc sel_flist {w x y} {
+ global flistmode ctext difffilestart cflist cflist_top cmitmode
+
+ if {$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 $top.t
+}
+
+proc doviewmenu {m first cmd op args} {
+ set nmenu [$m index end]
+ for {set i $first} {$i <= $nmenu} {incr i} {
+ if {[$m entrycget $i -command] eq $cmd} {
+ eval $m $op $i $args
+ break
+ }
+ }
+}
+
+proc allviewmenus {n op args} {
+ doviewmenu .bar.view 7 [list showview $n] $op $args
+ doviewmenu .bar.view.hl 3 [list addhighlight $n] $op $args
+}
+
+proc newviewok {top n} {
+ global nextviewnum newviewperm newviewname newishighlight
+ global viewname viewfiles viewperm selectedview curview
+ global viewargs newviewargs
+
+ 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 addhighlight $n
+ }
+ } else {
+ # editing an existing view
+ set viewperm($n) $newviewperm($n)
+ if {$newviewname($n) ne $viewname($n)} {
+ set viewname($n) $newviewname($n)
+ allviewmenus $n entryconf -label $viewname($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 $top}
+}
+
+proc delview {} {
+ global curview viewdata viewperm
+
+ if {$curview == 0} return
+ allviewmenus $curview delete
+ set viewdata($curview) {}
+ set viewperm($curview) 0
+ showview 0
+}
+
+proc addviewmenu {n} {
+ global viewname
+
+ .bar.view add radiobutton -label $viewname($n) \
+ -command [list showview $n] -variable selectedview -value $n
+ .bar.view.hl add radiobutton -label $viewname($n) \
+ -command [list addhighlight $n] -variable selectedhlview -value $n
+}
+
+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\($i\) $v
+ }
+}
+
+proc showview {n} {
+ global curview viewdata viewfiles
+ global displayorder parentlist childlist rowidlist rowoffsets
+ global colormap rowtextx commitrow nextcolor canvxmax
+ global numcommits rowrangelist commitlisted idrowranges
+ global selectedline currentid canv canvy0
+ global matchinglines treediffs
+ global pending_select phase
+ global commitidx rowlaidout rowoptim linesegends
+ global commfd nextupdate
+ global selectedview hlview selectedhlview
+ global vparentlist vchildlist vdisporder vcmitlisted
+
+ if {$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
+
+ set curview $n
+ set selectedview $n
+ set selectedhlview -1
+ .bar.view entryconf 2 -state [expr {$n == 0? "disabled": "normal"}]
+ .bar.view entryconf 3 -state [expr {$n == 0? "disabled": "normal"}]
+ catch {unset hlview}
+ .bar.view.hl entryconf 1 -state disabled
+
+ if {![info exists viewdata($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"
+ }
+}
+
+proc addhighlight {n} {
+ global hlview curview viewdata highlighted highlightedrows
+ global selectedhlview
+
+ if {[info exists hlview]} {
+ delhighlight
+ }
+ set hlview $n
+ set selectedhlview $n
+ .bar.view.hl entryconf 1 -state normal
+ set highlighted($n) 0
+ set highlightedrows {}
+ 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
+ } else {
+ highlightmore
+ }
+}
+
+proc delhighlight {} {
+ global hlview highlightedrows canv linehtag mainfont
+ global selectedhlview selectedline
+
+ if {![info exists hlview]} return
+ unset hlview
+ set selectedhlview {}
+ .bar.view.hl entryconf 1 -state disabled
+ foreach l $highlightedrows {
+ $canv itemconf $linehtag($l) -font $mainfont
+ if {$l == $selectedline} {
+ $canv delete secsel
+ set t [eval $canv create rect [$canv bbox $linehtag($l)] \
+ -outline {{}} -tags secsel \
+ -fill [$canv cget -selectbackground]]
+ $canv lower $t
+ }
+ }
+}
+
+proc highlightmore {} {
+ global hlview highlighted commitidx highlightedrows linehtag mainfont
+ global displayorder vdisporder curview canv commitrow selectedline
+
+ set font [concat $mainfont bold]
+ set max $commitidx($hlview)
+ if {$hlview == $curview} {
+ set disp $displayorder
+ } else {
+ set disp $vdisporder($hlview)
+ }
+ for {set i $highlighted($hlview)} {$i < $max} {incr i} {
+ set id [lindex $disp $i]
+ if {[info exists commitrow($curview,$id)]} {
+ set row $commitrow($curview,$id)
+ if {[info exists linehtag($row)]} {
+ $canv itemconf $linehtag($row) -font $font
+ lappend highlightedrows $row
+ if {$row == $selectedline} {
+ $canv delete secsel
+ set t [eval $canv create rect \
+ [$canv bbox $linehtag($row)] \
+ -outline {{}} -tags secsel \
+ -fill [$canv cget -selectbackground]]
+ $canv lower $t
+ }
+ }
+ }
+ }
+ set highlighted($hlview) $max
+}
+
+# Graph layout functions
+
+proc shortids {ids} {
+ set res {}
+ foreach id $ids {
+ if {[llength $id] > 1} {
+ lappend res [shortids $id]
+ } elseif {[regexp {^[0-9a-f]{40}$} $id]} {
+ lappend res [string range $id 0 7]
+ } else {
+ lappend res $id
+ }
+ }
+ return $res
+}
+
+proc incrange {l x o} {
+ set n [llength $l]
+ while {$x < $n} {
+ set e [lindex $l $x]
+ if {$e ne {}} {
+ lset l $x [expr {$e + $o}]
+ }
+ incr x
+ }
+ return $l
+}
+
+proc ntimes {n o} {
+ set ret {}
+ for {} {$n > 0} {incr n -1} {
+ lappend ret $o
+ }
+ return $ret
+}
+
+proc usedinrange {id l1 l2} {
+ global children commitrow childlist curview
+
+ if {[info exists commitrow($curview,$id)]} {
+ set r $commitrow($curview,$id)
+ if {$l1 <= $r && $r <= $l2} {
+ return [expr {$r - $l1 + 1}]
+ }
+ set kids [lindex $childlist $r]
+ } else {
+ set kids $children($curview,$id)
+ }
+ foreach c $kids {
+ set r $commitrow($curview,$c)
+ if {$l1 <= $r && $r <= $l2} {
+ return [expr {$r - $l1 + 1}]
+ }
+ }
+ return 0
+}
+
+proc sanity {row {full 0}} {
+ global rowidlist rowoffsets
+
+ set col -1
+ set ids [lindex $rowidlist $row]
+ foreach id $ids {
+ incr col
+ if {$id eq {}} continue
+ if {$col < [llength $ids] - 1 &&
+ [lsearch -exact -start [expr {$col+1}] $ids $id] >= 0} {
+ puts "oops: [shortids $id] repeated in row $row col $col: {[shortids [lindex $rowidlist $row]]}"
+ }
+ set o [lindex $rowoffsets $row $col]
+ set y $row
+ set x $col
+ while {$o ne {}} {
+ incr y -1
+ incr x $o
+ if {[lindex $rowidlist $y $x] != $id} {
+ puts "oops: rowoffsets wrong at row [expr {$y+1}] col [expr {$x-$o}]"
+ puts " id=[shortids $id] check started at row $row"
+ for {set i $row} {$i >= $y} {incr i -1} {
+ puts " row $i ids={[shortids [lindex $rowidlist $i]]} offs={[lindex $rowoffsets $i]}"
+ }
+ break
+ }
+ if {!$full} break
+ set o [lindex $rowoffsets $y $x]
+ }
+ }
+}
+
+proc makeuparrow {oid x y z} {
+ global rowidlist rowoffsets uparrowlen idrowranges
+
+ for {set i 1} {$i < $uparrowlen && $y > 1} {incr i} {
+ incr y -1
+ incr x $z
+ set off0 [lindex $rowoffsets $y]
+ for {set x0 $x} {1} {incr x0} {
+ if {$x0 >= [llength $off0]} {
+ set x0 [llength [lindex $rowoffsets [expr {$y-1}]]]
+ break
+ }
+ set z [lindex $off0 $x0]
+ if {$z ne {}} {
+ incr x0 $z
+ break
+ }
+ }
+ set z [expr {$x0 - $x}]
+ lset rowidlist $y [linsert [lindex $rowidlist $y] $x $oid]
+ lset rowoffsets $y [linsert [lindex $rowoffsets $y] $x $z]
+ }
+ set tmp [lreplace [lindex $rowoffsets $y] $x $x {}]
+ lset rowoffsets $y [incrange $tmp [expr {$x+1}] -1]
+ lappend idrowranges($oid) $y
+}
+
+proc initlayout {} {
+ global rowidlist rowoffsets displayorder commitlisted
+ global rowlaidout rowoptim
+ global idinlist rowchk rowrangelist idrowranges
+ global numcommits canvxmax canv
+ global nextcolor
+ global parentlist childlist children
+ global colormap rowtextx
+ global linesegends
+
+ set numcommits 0
+ set displayorder {}
+ set commitlisted {}
+ set parentlist {}
+ set childlist {}
+ set rowrangelist {}
+ set nextcolor 0
+ set rowidlist {{}}
+ set rowoffsets {{}}
+ catch {unset idinlist}
+ catch {unset rowchk}
+ set rowlaidout 0
+ set rowoptim 0
+ set canvxmax [$canv cget -width]
+ catch {unset colormap}
+ catch {unset rowtextx}
+ catch {unset idrowranges}
+ set linesegends {}
+}
+
+proc setcanvscroll {} {
+ global canv canv2 canv3 numcommits linespc canvxmax canvy0
+
+ set ymax [expr {$canvy0 + ($numcommits - 0.5) * $linespc + 2}]
+ $canv conf -scrollregion [list 0 0 $canvxmax $ymax]
+ $canv2 conf -scrollregion [list 0 0 0 $ymax]
+ $canv3 conf -scrollregion [list 0 0 0 $ymax]
+}
+
+proc visiblerows {} {
+ global canv numcommits linespc
+
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax eq {} || $ymax == 0} return
+ set f [$canv yview]
+ set y0 [expr {int([lindex $f 0] * $ymax)}]
+ set r0 [expr {int(($y0 - 3) / $linespc) - 1}]
+ if {$r0 < 0} {
+ set r0 0
+ }
+ set y1 [expr {int([lindex $f 1] * $ymax)}]
+ set r1 [expr {int(($y1 - 3) / $linespc) + 1}]
+ if {$r1 >= $numcommits} {
+ set r1 [expr {$numcommits - 1}]
+ }
+ return [list $r0 $r1]
+}
+
+proc layoutmore {} {
+ global rowlaidout rowoptim commitidx numcommits optim_delay
+ global uparrowlen curview
+
+ set row $rowlaidout
+ set rowlaidout [layoutrows $row $commitidx($curview) 0]
+ set orow [expr {$rowlaidout - $uparrowlen - 1}]
+ if {$orow > $rowoptim} {
+ optimize_rows $rowoptim 0 $orow
+ set rowoptim $orow
+ }
+ set canshow [expr {$rowoptim - $optim_delay}]
+ if {$canshow > $numcommits} {
+ showstuff $canshow
+ }
+}
+
+proc showstuff {canshow} {
+ global numcommits commitrow pending_select selectedline
+ global linesegends idrowranges idrangedrawn curview
+
+ if {$numcommits == 0} {
+ global phase
+ set phase "incrdraw"
+ allcanvs delete all
+ }
+ set row $numcommits
+ set numcommits $canshow
+ setcanvscroll
+ set rows [visiblerows]
+ set r0 [lindex $rows 0]
+ set r1 [lindex $rows 1]
+ set selrow -1
+ for {set r $row} {$r < $canshow} {incr r} {
+ foreach id [lindex $linesegends [expr {$r+1}]] {
+ set i -1
+ foreach {s e} [rowranges $id] {
+ incr i
+ if {$e ne {} && $e < $numcommits && $s <= $r1 && $e >= $r0
+ && ![info exists idrangedrawn($id,$i)]} {
+ drawlineseg $id $i
+ set idrangedrawn($id,$i) 1
+ }
+ }
+ }
+ }
+ if {$canshow > $r1} {
+ set canshow $r1
+ }
+ while {$row < $canshow} {
+ drawcmitrow $row
+ incr row
+ }
+ if {[info exists pending_select] &&
+ [info exists commitrow($curview,$pending_select)] &&
+ $commitrow($curview,$pending_select) < $numcommits} {
+ selectline $commitrow($curview,$pending_select) 1
+ }
+ if {![info exists selectedline] && ![info exists pending_select]} {
+ selectline 0 1
+ }
+}
+
+proc layoutrows {row endrow last} {
+ global rowidlist rowoffsets displayorder
+ global uparrowlen downarrowlen maxwidth mingaplen
+ global childlist parentlist
+ global idrowranges linesegends
+ global commitidx curview
+ global idinlist rowchk rowrangelist
+
+ set idlist [lindex $rowidlist $row]
+ set offs [lindex $rowoffsets $row]
+ while {$row < $endrow} {
+ set id [lindex $displayorder $row]
+ set oldolds {}
+ set newolds {}
+ foreach p [lindex $parentlist $row] {
+ if {![info exists idinlist($p)]} {
+ lappend newolds $p
+ } elseif {!$idinlist($p)} {
+ lappend oldolds $p
+ }
+ }
+ set lse {}
+ set nev [expr {[llength $idlist] + [llength $newolds]
+ + [llength $oldolds] - $maxwidth + 1}]
+ if {$nev > 0} {
+ if {!$last &&
+ $row + $uparrowlen + $mingaplen >= $commitidx($curview)} break
+ for {set x [llength $idlist]} {[incr x -1] >= 0} {} {
+ set i [lindex $idlist $x]
+ if {![info exists rowchk($i)] || $row >= $rowchk($i)} {
+ set r [usedinrange $i [expr {$row - $downarrowlen}] \
+ [expr {$row + $uparrowlen + $mingaplen}]]
+ if {$r == 0} {
+ set idlist [lreplace $idlist $x $x]
+ set offs [lreplace $offs $x $x]
+ set offs [incrange $offs $x 1]
+ set idinlist($i) 0
+ set rm1 [expr {$row - 1}]
+ lappend lse $i
+ lappend idrowranges($i) $rm1
+ if {[incr nev -1] <= 0} break
+ continue
+ }
+ set rowchk($id) [expr {$row + $r}]
+ }
+ }
+ lset rowidlist $row $idlist
+ lset rowoffsets $row $offs
+ }
+ lappend linesegends $lse
+ set col [lsearch -exact $idlist $id]
+ if {$col < 0} {
+ set col [llength $idlist]
+ lappend idlist $id
+ lset rowidlist $row $idlist
+ set z {}
+ if {[lindex $childlist $row] ne {}} {
+ set z [expr {[llength [lindex $rowidlist [expr {$row-1}]]] - $col}]
+ unset idinlist($id)
+ }
+ lappend offs $z
+ lset rowoffsets $row $offs
+ if {$z ne {}} {
+ makeuparrow $id $col $row $z
+ }
+ } else {
+ unset idinlist($id)
+ }
+ set ranges {}
+ if {[info exists idrowranges($id)]} {
+ set ranges $idrowranges($id)
+ lappend ranges $row
+ unset idrowranges($id)
+ }
+ lappend rowrangelist $ranges
+ incr row
+ set offs [ntimes [llength $idlist] 0]
+ set l [llength $newolds]
+ set idlist [eval lreplace \$idlist $col $col $newolds]
+ set o 0
+ if {$l != 1} {
+ set offs [lrange $offs 0 [expr {$col - 1}]]
+ foreach x $newolds {
+ lappend offs {}
+ incr o -1
+ }
+ incr o
+ set tmp [expr {[llength $idlist] - [llength $offs]}]
+ if {$tmp > 0} {
+ set offs [concat $offs [ntimes $tmp $o]]
+ }
+ } else {
+ lset offs $col {}
+ }
+ foreach i $newolds {
+ set idinlist($i) 1
+ set idrowranges($i) $row
+ }
+ incr col $l
+ foreach oid $oldolds {
+ set idinlist($oid) 1
+ set idlist [linsert $idlist $col $oid]
+ set offs [linsert $offs $col $o]
+ makeuparrow $oid $col $row $o
+ incr col
+ }
+ lappend rowidlist $idlist
+ lappend rowoffsets $offs
+ }
+ return $row
+}
+
+proc addextraid {id row} {
+ global displayorder commitrow commitinfo
+ global commitidx commitlisted
+ global parentlist childlist children curview
+
+ incr commitidx($curview)
+ lappend displayorder $id
+ lappend commitlisted 0
+ lappend parentlist {}
+ set commitrow($curview,$id) $row
+ readcommit $id
+ if {![info exists commitinfo($id)]} {
+ set commitinfo($id) {"No commit information available"}
+ }
+ if {![info exists children($curview,$id)]} {
+ set children($curview,$id) {}
+ }
+ lappend childlist $children($curview,$id)
+}
+
+proc layouttail {} {
+ global rowidlist rowoffsets idinlist commitidx curview
+ global idrowranges rowrangelist
+
+ set row $commitidx($curview)
+ set idlist [lindex $rowidlist $row]
+ while {$idlist ne {}} {
+ set col [expr {[llength $idlist] - 1}]
+ set id [lindex $idlist $col]
+ addextraid $id $row
+ unset idinlist($id)
+ lappend idrowranges($id) $row
+ lappend rowrangelist $idrowranges($id)
+ unset idrowranges($id)
+ incr row
+ set offs [ntimes $col 0]
+ set idlist [lreplace $idlist $col $col]
+ lappend rowidlist $idlist
+ lappend rowoffsets $offs
+ }
+
+ foreach id [array names idinlist] {
+ addextraid $id $row
+ lset rowidlist $row [list $id]
+ lset rowoffsets $row 0
+ makeuparrow $id 0 $row 0
+ lappend idrowranges($id) $row
+ lappend rowrangelist $idrowranges($id)
+ unset idrowranges($id)
+ incr row
+ lappend rowidlist {}
+ lappend rowoffsets {}
+ }
+}
+
+proc insert_pad {row col npad} {
+ global rowidlist rowoffsets
+
+ set pad [ntimes $npad {}]
+ lset rowidlist $row [eval linsert [list [lindex $rowidlist $row]] $col $pad]
+ set tmp [eval linsert [list [lindex $rowoffsets $row]] $col $pad]
+ lset rowoffsets $row [incrange $tmp [expr {$col + $npad}] [expr {-$npad}]]
+}
+
+proc optimize_rows {row col endrow} {
+ global rowidlist rowoffsets idrowranges displayorder
+
+ for {} {$row < $endrow} {incr row} {
+ set idlist [lindex $rowidlist $row]
+ set offs [lindex $rowoffsets $row]
+ set haspad 0
+ for {} {$col < [llength $offs]} {incr col} {
+ if {[lindex $idlist $col] eq {}} {
+ set haspad 1
+ continue
+ }
+ set z [lindex $offs $col]
+ if {$z eq {}} continue
+ set isarrow 0
+ set x0 [expr {$col + $z}]
+ set y0 [expr {$row - 1}]
+ set z0 [lindex $rowoffsets $y0 $x0]
+ if {$z0 eq {}} {
+ set id [lindex $idlist $col]
+ set ranges [rowranges $id]
+ if {$ranges ne {} && $y0 > [lindex $ranges 0]} {
+ set isarrow 1
+ }
+ }
+ if {$z < -1 || ($z < 0 && $isarrow)} {
+ set npad [expr {-1 - $z + $isarrow}]
+ set offs [incrange $offs $col $npad]
+ insert_pad $y0 $x0 $npad
+ if {$y0 > 0} {
+ optimize_rows $y0 $x0 $row
+ }
+ set z [lindex $offs $col]
+ set x0 [expr {$col + $z}]
+ set z0 [lindex $rowoffsets $y0 $x0]
+ } elseif {$z > 1 || ($z > 0 && $isarrow)} {
+ set npad [expr {$z - 1 + $isarrow}]
+ set y1 [expr {$row + 1}]
+ set offs2 [lindex $rowoffsets $y1]
+ set x1 -1
+ foreach z $offs2 {
+ incr x1
+ if {$z eq {} || $x1 + $z < $col} continue
+ if {$x1 + $z > $col} {
+ incr npad
+ }
+ lset rowoffsets $y1 [incrange $offs2 $x1 $npad]
+ break
+ }
+ set pad [ntimes $npad {}]
+ set idlist [eval linsert \$idlist $col $pad]
+ set tmp [eval linsert \$offs $col $pad]
+ incr col $npad
+ set offs [incrange $tmp $col [expr {-$npad}]]
+ set z [lindex $offs $col]
+ set haspad 1
+ }
+ if {$z0 eq {} && !$isarrow} {
+ # this line links to its first child on row $row-2
+ set rm2 [expr {$row - 2}]
+ set id [lindex $displayorder $rm2]
+ set xc [lsearch -exact [lindex $rowidlist $rm2] $id]
+ if {$xc >= 0} {
+ set z0 [expr {$xc - $x0}]
+ }
+ }
+ if {$z0 ne {} && $z < 0 && $z0 > 0} {
+ insert_pad $y0 $x0 1
+ set offs [incrange $offs $col 1]
+ optimize_rows $y0 [expr {$x0 + 1}] $row
+ }
+ }
+ if {!$haspad} {
+ set o {}
+ for {set col [llength $idlist]} {[incr col -1] >= 0} {} {
+ set o [lindex $offs $col]
+ if {$o eq {}} {
+ # check if this is the link to the first child
+ set id [lindex $idlist $col]
+ set ranges [rowranges $id]
+ if {$ranges ne {} && $row == [lindex $ranges 0]} {
+ # it is, work out offset to child
+ set y0 [expr {$row - 1}]
+ set id [lindex $displayorder $y0]
+ set x0 [lsearch -exact [lindex $rowidlist $y0] $id]
+ if {$x0 >= 0} {
+ set o [expr {$x0 - $col}]
+ }
+ }
+ }
+ if {$o eq {} || $o <= 0} break
+ }
+ if {$o ne {} && [incr col] < [llength $idlist]} {
+ set y1 [expr {$row + 1}]
+ set offs2 [lindex $rowoffsets $y1]
+ set x1 -1
+ foreach z $offs2 {
+ incr x1
+ if {$z eq {} || $x1 + $z < $col} continue
+ lset rowoffsets $y1 [incrange $offs2 $x1 1]
+ break
+ }
+ set idlist [linsert $idlist $col {}]
+ set tmp [linsert $offs $col {}]
+ incr col
+ set offs [incrange $tmp $col -1]
+ }
+ }
+ lset rowidlist $row $idlist
+ lset rowoffsets $row $offs
+ set col 0
+ }
+}
+
+proc xc {row col} {
+ global canvx0 linespc
+ return [expr {$canvx0 + $col * $linespc}]
+}
+
+proc yc {row} {
+ global canvy0 linespc
+ return [expr {$canvy0 + $row * $linespc}]
+}
+
+proc linewidth {id} {
+ global thickerline lthickness
+
+ set wid $lthickness
+ if {[info exists thickerline] && $id eq $thickerline} {
+ set wid [expr {2 * $lthickness}]
+ }
+ return $wid
+}
+
+proc rowranges {id} {
+ global phase idrowranges commitrow rowlaidout rowrangelist curview
+
+ set ranges {}
+ if {$phase eq {} ||
+ ([info exists commitrow($curview,$id)]
+ && $commitrow($curview,$id) < $rowlaidout)} {
+ set ranges [lindex $rowrangelist $commitrow($curview,$id)]
+ } elseif {[info exists idrowranges($id)]} {
+ set ranges $idrowranges($id)
+ }
+ return $ranges
+}
+
+proc drawlineseg {id i} {
+ global rowoffsets rowidlist
+ global displayorder
+ global canv colormap linespc
+ global numcommits commitrow curview
+
+ set ranges [rowranges $id]
+ set downarrow 1
+ if {[info exists commitrow($curview,$id)]
+ && $commitrow($curview,$id) < $numcommits} {
+ set downarrow [expr {$i < [llength $ranges] / 2 - 1}]
+ } else {
+ set downarrow 1
+ }
+ set startrow [lindex $ranges [expr {2 * $i}]]
+ set row [lindex $ranges [expr {2 * $i + 1}]]
+ if {$startrow == $row} return
+ assigncolor $id
+ set coords {}
+ set col [lsearch -exact [lindex $rowidlist $row] $id]
+ if {$col < 0} {
+ puts "oops: drawline: id $id not on row $row"
+ return
+ }
+ set lasto {}
+ set ns 0
+ while {1} {
+ set o [lindex $rowoffsets $row $col]
+ if {$o eq {}} break
+ if {$o ne $lasto} {
+ # changing direction
+ set x [xc $row $col]
+ set y [yc $row]
+ lappend coords $x $y
+ set lasto $o
+ }
+ incr col $o
+ incr row -1
+ }
+ set x [xc $row $col]
+ set y [yc $row]
+ lappend coords $x $y
+ if {$i == 0} {
+ # draw the link to the first child as part of this line
+ incr row -1
+ set child [lindex $displayorder $row]
+ set ccol [lsearch -exact [lindex $rowidlist $row] $child]
+ if {$ccol >= 0} {
+ set x [xc $row $ccol]
+ set y [yc $row]
+ if {$ccol < $col - 1} {
+ lappend coords [xc $row [expr {$col - 1}]] [yc $row]
+ } elseif {$ccol > $col + 1} {
+ lappend coords [xc $row [expr {$col + 1}]] [yc $row]
+ }
+ lappend coords $x $y
+ }
+ }
+ if {[llength $coords] < 4} return
+ if {$downarrow} {
+ # This line has an arrow at the lower end: check if the arrow is
+ # on a diagonal segment, and if so, work around the Tk 8.4
+ # refusal to draw arrows on diagonal lines.
+ set x0 [lindex $coords 0]
+ set x1 [lindex $coords 2]
+ if {$x0 != $x1} {
+ set y0 [lindex $coords 1]
+ set y1 [lindex $coords 3]
+ if {$y0 - $y1 <= 2 * $linespc && $x1 == [lindex $coords 4]} {
+ # we have a nearby vertical segment, just trim off the diag bit
+ set coords [lrange $coords 2 end]
+ } else {
+ set slope [expr {($x0 - $x1) / ($y0 - $y1)}]
+ set xi [expr {$x0 - $slope * $linespc / 2}]
+ set yi [expr {$y0 - $linespc / 2}]
+ set coords [lreplace $coords 0 1 $xi $y0 $xi $yi]
+ }
+ }
+ }
+ set arrow [expr {2 * ($i > 0) + $downarrow}]
+ set arrow [lindex {none first last both} $arrow]
+ set t [$canv create line $coords -width [linewidth $id] \
+ -fill $colormap($id) -tags lines.$id -arrow $arrow]
+ $canv lower $t
+ bindline $t $id
+}
+
+proc drawparentlinks {id row col olds} {
+ global rowidlist canv colormap
+
+ set row2 [expr {$row + 1}]
+ set x [xc $row $col]
+ set y [yc $row]
+ set y2 [yc $row2]
+ set ids [lindex $rowidlist $row2]
+ # rmx = right-most X coord used
+ set rmx 0
+ foreach p $olds {
+ set i [lsearch -exact $ids $p]
+ if {$i < 0} {
+ puts "oops, parent $p of $id not in list"
+ continue
+ }
+ set x2 [xc $row2 $i]
+ if {$x2 > $rmx} {
+ set rmx $x2
+ }
+ set ranges [rowranges $p]
+ if {$ranges ne {} && $row2 == [lindex $ranges 0]
+ && $row2 < [lindex $ranges 1]} {
+ # drawlineseg will do this one for us
+ continue
+ }
+ assigncolor $p
+ # should handle duplicated parents here...
+ set coords [list $x $y]
+ if {$i < $col - 1} {
+ lappend coords [xc $row [expr {$i + 1}]] $y
+ } elseif {$i > $col + 1} {
+ lappend coords [xc $row [expr {$i - 1}]] $y
+ }
+ lappend coords $x2 $y2
+ set t [$canv create line $coords -width [linewidth $p] \
+ -fill $colormap($p) -tags lines.$p]
+ $canv lower $t
+ bindline $t $p
+ }
+ return $rmx
+}
+
+proc drawlines {id} {
+ global colormap canv
+ global idrangedrawn
+ global children iddrawn commitrow rowidlist curview
+
+ $canv delete lines.$id
+ set nr [expr {[llength [rowranges $id]] / 2}]
+ for {set i 0} {$i < $nr} {incr i} {
+ if {[info exists idrangedrawn($id,$i)]} {
+ drawlineseg $id $i
+ }
+ }
+ foreach child $children($curview,$id) {
+ if {[info exists iddrawn($child)]} {
+ set row $commitrow($curview,$child)
+ set col [lsearch -exact [lindex $rowidlist $row] $child]
+ if {$col >= 0} {
+ drawparentlinks $child $row $col [list $id]
+ }
+ }
+ }
+}
+
+proc drawcmittext {id row col rmx} {
+ global linespc canv canv2 canv3 canvy0
+ global commitlisted commitinfo rowidlist
+ global rowtextx idpos idtags idheads idotherrefs
+ global linehtag linentag linedtag
+ global mainfont canvxmax
+ global hlview commitrow highlightedrows
+
+ set ofill [expr {[lindex $commitlisted $row]? "blue": "white"}]
+ set x [xc $row $col]
+ set y [yc $row]
+ set orad [expr {$linespc / 3}]
+ set t [$canv create oval [expr {$x - $orad}] [expr {$y - $orad}] \
+ [expr {$x + $orad - 1}] [expr {$y + $orad - 1}] \
+ -fill $ofill -outline black -width 1]
+ $canv raise $t
+ $canv bind $t <1> {selcanvline {} %x %y}
+ set xt [xc $row [llength [lindex $rowidlist $row]]]
+ if {$xt < $rmx} {
+ set xt $rmx
+ }
+ set rowtextx($row) $xt
+ set idpos($id) [list $x $xt $y]
+ if {[info exists idtags($id)] || [info exists idheads($id)]
+ || [info exists idotherrefs($id)]} {
+ set xt [drawtags $id $x $xt $y]
+ }
+ set headline [lindex $commitinfo($id) 0]
+ set name [lindex $commitinfo($id) 1]
+ set date [lindex $commitinfo($id) 2]
+ set date [formatdate $date]
+ set font $mainfont
+ if {[info exists hlview] && [info exists commitrow($hlview,$id)]} {
+ lappend font bold
+ lappend highlightedrows $row
+ }
+ set linehtag($row) [$canv create text $xt $y -anchor w \
+ -text $headline -font $font]
+ $canv bind $linehtag($row) <Button-3> "rowmenu %X %Y $id"
+ set linentag($row) [$canv2 create text 3 $y -anchor w \
+ -text $name -font $mainfont]
+ set linedtag($row) [$canv3 create text 3 $y -anchor w \
+ -text $date -font $mainfont]
+ set xr [expr {$xt + [font measure $mainfont $headline]}]
+ if {$xr > $canvxmax} {
+ set canvxmax $xr
+ setcanvscroll
+ }
+}
+
+proc drawcmitrow {row} {
+ global displayorder rowidlist
+ global idrangedrawn iddrawn
+ global commitinfo parentlist numcommits
+
+ if {$row >= $numcommits} return
+ foreach id [lindex $rowidlist $row] {
+ if {$id eq {}} continue
+ set i -1
+ foreach {s e} [rowranges $id] {
+ incr i
+ if {$row < $s} continue
+ if {$e eq {}} break
+ if {$row <= $e} {
+ if {$e < $numcommits && ![info exists idrangedrawn($id,$i)]} {
+ drawlineseg $id $i
+ set idrangedrawn($id,$i) 1
+ }
+ break
+ }
+ }
+ }
+
+ set id [lindex $displayorder $row]
+ if {[info exists iddrawn($id)]} return
+ set col [lsearch -exact [lindex $rowidlist $row] $id]
+ if {$col < 0} {
+ puts "oops, row $row id $id not in list"
+ return
+ }
+ if {![info exists commitinfo($id)]} {
+ getcommit $id
+ }
+ assigncolor $id
+ set olds [lindex $parentlist $row]
+ if {$olds ne {}} {
+ set rmx [drawparentlinks $id $row $col $olds]
+ } else {
+ set rmx 0
+ }
+ drawcmittext $id $row $col $rmx
+ set iddrawn($id) 1
+}
+
+proc drawfrac {f0 f1} {
+ global numcommits canv
+ global linespc
+
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax eq {} || $ymax == 0} return
+ set y0 [expr {int($f0 * $ymax)}]
+ set row [expr {int(($y0 - 3) / $linespc) - 1}]
+ if {$row < 0} {
+ set row 0
+ }
+ set y1 [expr {int($f1 * $ymax)}]
+ set endrow [expr {int(($y1 - 3) / $linespc) + 1}]
+ if {$endrow >= $numcommits} {
+ set endrow [expr {$numcommits - 1}]
+ }
+ for {} {$row <= $endrow} {incr row} {
+ drawcmitrow $row
+ }
+}
+
+proc drawvisible {} {
+ global canv
+ eval drawfrac [$canv yview]
+}
+
+proc clear_display {} {
+ global iddrawn idrangedrawn
projects / git.git / blobdiff