+ 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 boldrows
+
+ lappend boldrows $row
+ $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 boldnamerows
+
+ lappend boldnamerows $row
+ $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 {} {
+ global mainfont boldrows
+
+ set stillbold {}
+ foreach row $boldrows {
+ if {![ishighlighted $row]} {
+ bolden $row $mainfont
+ } else {
+ lappend stillbold $row
+ }
+ }
+ set boldrows $stillbold
+}
+
+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
+ catch {unset vhighlights}
+ unbolden
+}
+
+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
+ catch {unset fhighlights}
+ unbolden
+ 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 $ret
+}
+
+proc do_file_hl {serial} {
+ global highlight_files filehighlight highlight_paths gdttype fhl_list
+
+ if {$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
+ set fhl_list {}
+ drawvisible
+ flushhighlights
+}
+
+proc flushhighlights {} {
+ global filehighlight fhl_list
+
+ if {[info exists filehighlight]} {
+ lappend fhl_list {}
+ puts $filehighlight ""
+ flush $filehighlight
+ }
+}
+
+proc askfilehighlight {row id} {
+ global filehighlight fhighlights fhl_list
+
+ lappend fhl_list $id
+ set fhighlights($row) -1
+ puts $filehighlight $id
+}
+
+proc readfhighlight {} {
+ global filehighlight fhighlights commitrow curview mainfont iddrawn
+ global fhl_list
+
+ while {[gets $filehighlight line] >= 0} {
+ set line [string trim $line]
+ set i [lsearch -exact $fhl_list $line]
+ if {$i < 0} continue
+ for {set j 0} {$j < $i} {incr j} {
+ set id [lindex $fhl_list $j]
+ if {[info exists commitrow($curview,$id)]} {
+ set fhighlights($commitrow($curview,$id)) 0
+ }
+ }
+ set fhl_list [lrange $fhl_list [expr {$i+1}] end]
+ if {$line eq {}} continue
+ if {![info exists commitrow($curview,$line)]} continue
+ set row $commitrow($curview,$line)
+ if {[info exists iddrawn($line)] && ![ishighlighted $row]} {
+ bolden $row [concat $mainfont bold]
+ }
+ set fhighlights($row) 1
+ }
+ if {[eof $filehighlight]} {
+ # strange...
+ puts "oops, git-diff-tree died"
+ catch {close $filehighlight}
+ unset filehighlight
+ }
+ next_hlcont
+}
+
+proc find_change {name ix op} {
+ global nhighlights mainfont boldnamerows
+ global findstring findpattern findtype
+
+ # delete previous highlights, if any
+ foreach row $boldnamerows {
+ bolden_name $row $mainfont
+ }
+ set boldnamerows {}
+ catch {unset nhighlights}
+ unbolden
+ if {$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 $mainfont bold]
+ }
+ }
+ set nhighlights($row) $isbold
+}
+
+proc vrel_change {name ix op} {
+ global highlight_related
+
+ rhighlight_none
+ if {$highlight_related ne "None"} {
+ after idle drawvisible
+ }
+}
+
+# prepare for testing whether commits are descendents or ancestors of a
+proc rhighlight_sel {a} {
+ global descendent desc_todo ancestor anc_todo
+ global highlight_related rhighlights
+
+ catch {unset descendent}
+ set desc_todo [list $a]
+ catch {unset ancestor}
+ set anc_todo [list $a]
+ if {$highlight_related ne "None"} {
+ rhighlight_none
+ after idle drawvisible
+ }
+}
+
+proc rhighlight_none {} {
+ global rhighlights
+
+ catch {unset rhighlights}
+ unbolden
+}
+
+proc is_descendent {a} {
+ global curview children commitrow descendent desc_todo
+
+ set v $curview
+ set la $commitrow($v,$a)
+ set todo $desc_todo
+ set leftover {}
+ set done 0
+ for {set i 0} {$i < [llength $todo]} {incr i} {
+ set do [lindex $todo $i]
+ if {$commitrow($v,$do) < $la} {
+ lappend leftover $do
+ continue
+ }
+ foreach nk $children($v,$do) {
+ if {![info exists descendent($nk)]} {
+ set descendent($nk) 1
+ lappend todo $nk
+ if {$nk eq $a} {
+ set done 1
+ }
+ }
+ }
+ if {$done} {
+ set desc_todo [concat $leftover [lrange $todo [expr {$i+1}] end]]
+ return
+ }
+ }
+ set descendent($a) 0
+ set desc_todo $leftover
+}
+
+proc is_ancestor {a} {
+ global curview parentlist commitrow ancestor anc_todo
+
+ set v $curview
+ set la $commitrow($v,$a)
+ set todo $anc_todo
+ set leftover {}
+ set done 0
+ for {set i 0} {$i < [llength $todo]} {incr i} {
+ set do [lindex $todo $i]
+ if {![info exists commitrow($v,$do)] || $commitrow($v,$do) > $la} {
+ lappend leftover $do
+ continue
+ }
+ foreach np [lindex $parentlist $commitrow($v,$do)] {
+ if {![info exists ancestor($np)]} {
+ set ancestor($np) 1
+ lappend todo $np
+ if {$np eq $a} {
+ set done 1
+ }
+ }
+ }
+ if {$done} {
+ set anc_todo [concat $leftover [lrange $todo [expr {$i+1}] end]]
+ return
+ }
+ }
+ set ancestor($a) 0
+ set anc_todo $leftover
+}
+
+proc askrelhighlight {row id} {
+ global descendent highlight_related iddrawn mainfont rhighlights
+ global selectedline ancestor
+
+ if {![info exists selectedline]} return
+ set isbold 0
+ if {$highlight_related eq "Descendent" ||
+ $highlight_related eq "Not descendent"} {
+ if {![info exists descendent($id)]} {
+ is_descendent $id
+ }
+ if {$descendent($id) == ($highlight_related eq "Descendent")} {
+ set isbold 1
+ }
+ } elseif {$highlight_related eq "Ancestor" ||
+ $highlight_related eq "Not ancestor"} {
+ if {![info exists ancestor($id)]} {
+ is_ancestor $id
+ }
+ if {$ancestor($id) == ($highlight_related eq "Ancestor")} {
+ set isbold 1
+ }
+ }
+ if {[info exists iddrawn($id)]} {
+ if {$isbold && ![ishighlighted $row]} {
+ bolden $row [concat $mainfont bold]
+ }
+ }
+ set rhighlights($row) $isbold
+}
+
+proc next_hlcont {} {
+ global fhl_row fhl_dirn displayorder numcommits
+ global vhighlights fhighlights nhighlights rhighlights
+ global hlview filehighlight findstring highlight_related
+
+ if {![info exists fhl_dirn] || $fhl_dirn == 0} return
+ set row $fhl_row
+ while {1} {
+ if {$row < 0 || $row >= $numcommits} {
+ bell
+ set fhl_dirn 0
+ return
+ }
+ set id [lindex $displayorder $row]
+ if {[info exists hlview]} {
+ if {![info exists vhighlights($row)]} {
+ askvhighlight $row $id
+ }
+ if {$vhighlights($row) > 0} break
+ }
+ if {$findstring ne {}} {
+ if {![info exists nhighlights($row)]} {
+ askfindhighlight $row $id
+ }
+ if {$nhighlights($row) > 0} break
+ }
+ if {$highlight_related ne "None"} {
+ if {![info exists rhighlights($row)]} {
+ askrelhighlight $row $id
+ }
+ if {$rhighlights($row) > 0} break
+ }
+ if {[info exists filehighlight]} {
+ if {![info exists fhighlights($row)]} {
+ # ask for a few more while we're at it...
+ set r $row
+ for {set n 0} {$n < 100} {incr n} {
+ if {![info exists fhighlights($r)]} {
+ askfilehighlight $r [lindex $displayorder $r]
+ }
+ incr r $fhl_dirn
+ if {$r < 0 || $r >= $numcommits} break
+ }
+ flushhighlights
+ }
+ if {$fhighlights($row) < 0} {
+ set fhl_row $row
+ return
+ }
+ if {$fhighlights($row) > 0} break
+ }
+ incr row $fhl_dirn
+ }
+ set fhl_dirn 0
+ selectline $row 1
+}
+
+proc next_highlight {dirn} {
+ global selectedline fhl_row fhl_dirn
+ global hlview filehighlight findstring highlight_related
+
+ if {![info exists selectedline]} return
+ if {!([info exists hlview] || $findstring ne {} ||
+ $highlight_related ne "None" || [info exists filehighlight])} return
+ set fhl_row [expr {$selectedline + $dirn}]
+ set fhl_dirn $dirn
+ next_hlcont
+}
+
+proc cancel_next_highlight {} {
+ global fhl_dirn
+
+ set fhl_dirn 0
+}
+
+# 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 boldrows boldnamerows
+
+ 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
+ set nfont $mainfont
+ set isbold [ishighlighted $row]
+ if {$isbold > 0} {
+ lappend boldrows $row
+ lappend font bold
+ if {$isbold > 1} {
+ lappend boldnamerows $row
+ lappend nfont bold
+ }
+ }
+ set linehtag($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 $nfont]
+ set linedtag($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 $xr
+ setcanvscroll
+ }
+}
+
+proc drawcmitrow {row} {
+ global displayorder rowidlist
+ global idrangedrawn iddrawn
+ global commitinfo parentlist numcommits
+ global filehighlight fhighlights findstring nhighlights
+ global hlview vhighlights
+ global highlight_related rhighlights
+
+ if {$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 $row]
+ if {[info exists hlview] && ![info exists vhighlights($row)]} {
+ askvhighlight $row $id
+ }
+ if {[info exists filehighlight] && ![info exists fhighlights($row)]} {
+ askfilehighlight $row $id
+ }
+ if {$findstring ne {} && ![info exists nhighlights($row)]} {
+ askfindhighlight $row $id
+ }
+ if {$highlight_related ne "None" && ![info exists rhighlights($row)]} {
+ askrelhighlight $row $id
+ }
+ if {[info exists iddrawn($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
+ global vhighlights fhighlights nhighlights rhighlights
+
+ allcanvs delete all
+ catch {unset iddrawn}
+ catch {unset idrangedrawn}
+ catch {unset vhighlights}
+ catch {unset fhighlights}
+ catch {unset nhighlights}
+ catch {unset rhighlights}
+}
+
+proc findcrossings {id} {
+ global rowidlist parentlist numcommits rowoffsets displayorder
+
+ set cross {}
+ set ccross {}
+ foreach {s e} [rowranges $id] {
+ if {$e >= $numcommits} {
+ set e [expr {$numcommits - 1}]
+ }
+ if {$e <= $s} continue
+ set x [lsearch -exact [lindex $rowidlist $e] $id]
+ if {$x < 0} {
+ puts "findcrossings: oops, no [shortids $id] in row $e"
+ continue
+ }
+ for {set row $e} {[incr row -1] >= $s} {} {
+ set olds [lindex $parentlist $row]
+ set kid [lindex $displayorder $row]
+ set kidx [lsearch -exact [lindex $rowidlist $row] $kid]
+ if {$kidx < 0} continue
+ set nextrow [lindex $rowidlist [expr {$row + 1}]]
+ foreach p $olds {
+ set px [lsearch -exact $nextrow $p]
+ if {$px < 0} continue
+ if {($kidx < $x && $x < $px) || ($px < $x && $x < $kidx)} {
+ if {[lsearch -exact $ccross $p] >= 0} continue
+ if {$x == $px + ($kidx < $px? -1: 1)} {
+ lappend ccross $p
+ } elseif {[lsearch -exact $cross $p] < 0} {
+ lappend cross $p
+ }
+ }
+ }
+ set inc [lindex $rowoffsets $row $x]
+ if {$inc eq {}} break
+ incr x $inc
+ }
+ }
+ return [concat $ccross {{}} $cross]
+}
+
+proc assigncolor {id} {
+ global colormap colors nextcolor
+ global commitrow parentlist children children curview
+
+ if {[info exists colormap($id)]} return
+ set ncolors [llength $colors]
+ if {[info exists children($curview,$id)]} {
+ set kids $children($curview,$id)
+ } else {
+ set kids {}
+ }
+ if {[llength $kids] == 1} {
+ set child [lindex $kids 0]
+ if {[info exists colormap($child)]
+ && [llength [lindex $parentlist $commitrow($curview,$child)]] == 1} {
+ set colormap($id) $colormap($child)
+ return
+ }
+ }
+ set badcolors {}
+ set origbad {}
+ foreach x [findcrossings $id] {
+ if {$x eq {}} {
+ # delimiter between corner crossings and other crossings
+ if {[llength $badcolors] >= $ncolors - 1} break
+ set origbad $badcolors
+ }
+ if {[info exists colormap($x)]
+ && [lsearch -exact $badcolors $colormap($x)] < 0} {
+ lappend badcolors $colormap($x)
+ }
+ }
+ if {[llength $badcolors] >= $ncolors} {
+ set badcolors $origbad
+ }
+ set origbad $badcolors
+ if {[llength $badcolors] < $ncolors - 1} {
+ foreach child $kids {
+ if {[info exists colormap($child)]
+ && [lsearch -exact $badcolors $colormap($child)] < 0} {
+ lappend badcolors $colormap($child)
+ }
+ foreach p [lindex $parentlist $commitrow($curview,$child)] {
+ if {[info exists colormap($p)]
+ && [lsearch -exact $badcolors $colormap($p)] < 0} {
+ lappend badcolors $colormap($p)
+ }
+ }
+ }
+ if {[llength $badcolors] >= $ncolors} {
+ set badcolors $origbad
+ }
+ }
+ for {set i 0} {$i <= $ncolors} {incr i} {
+ set c [lindex $colors $nextcolor]
+ if {[incr nextcolor] >= $ncolors} {
+ set nextcolor 0
+ }
+ if {[lsearch -exact $badcolors $c]} break
+ }
+ set colormap($id) $c
+}
+
+proc bindline {t id} {
+ global canv
+
+ $canv bind $t <Enter> "lineenter %x %y $id"
+ $canv bind $t <Motion> "linemotion %x %y $id"
+ $canv bind $t <Leave> "lineleave $id"
+ $canv bind $t <Button-1> "lineclick %x %y $id 1"
+}
+
+proc drawtags {id x xt y1} {
+ global idtags idheads idotherrefs
+ global linespc lthickness
+ global canv mainfont commitrow rowtextx curview
+
+ set marks {}
+ set ntags 0
+ set nheads 0
+ if {[info exists idtags($id)]} {
+ set marks $idtags($id)
+ set ntags [llength $marks]
+ }
+ if {[info exists idheads($id)]} {
+ set marks [concat $marks $idheads($id)]
+ set nheads [llength $idheads($id)]
+ }
+ if {[info exists idotherrefs($id)]} {
+ set marks [concat $marks $idotherrefs($id)]
+ }
+ if {$marks eq {}} {
+ return $xt
+ }
+
+ set delta [expr {int(0.5 * ($linespc - $lthickness))}]
+ set yt [expr {$y1 - 0.5 * $linespc}]
+ set yb [expr {$yt + $linespc - 1}]
+ set xvals {}
+ set wvals {}
+ foreach tag $marks {
+ set wid [font measure $mainfont $tag]
+ lappend xvals $xt
+ lappend wvals $wid
+ set xt [expr {$xt + $delta + $wid + $lthickness + $linespc}]
+ }
+ set t [$canv create line $x $y1 [lindex $xvals end] $y1 \
+ -width $lthickness -fill black -tags tag.$id]
+ $canv lower $t
+ foreach tag $marks x $xvals wid $wvals {
+ set xl [expr {$x + $delta}]
+ set xr [expr {$x + $delta + $wid + $lthickness}]
+ if {[incr ntags -1] >= 0} {
+ # draw a tag
+ set t [$canv create polygon $x [expr {$yt + $delta}] $xl $yt \
+ $xr $yt $xr $yb $xl $yb $x [expr {$yb - $delta}] \
+ -width 1 -outline black -fill yellow -tags tag.$id]
+ $canv bind $t <1> [list showtag $tag 1]
+ set rowtextx($commitrow($curview,$id)) [expr {$xr + $linespc}]
+ } else {
+ # draw a head or other ref
+ if {[incr nheads -1] >= 0} {
+ set col green
+ } else {
+ set col "#ddddff"
+ }
+ set xl [expr {$xl - $delta/2}]
+ $canv create polygon $x $yt $xr $yt $xr $yb $x $yb \
+ -width 1 -outline black -fill $col -tags tag.$id
+ if {[regexp {^(remotes/.*/|remotes/)} $tag match remoteprefix]} {
+ set rwid [font measure $mainfont $remoteprefix]
+ set xi [expr {$x + 1}]
+ set yti [expr {$yt + 1}]
+ set xri [expr {$x + $rwid}]
+ $canv create polygon $xi $yti $xri $yti $xri $yb $xi $yb \
+ -width 0 -fill "#ffddaa" -tags tag.$id
+ }
projects / git.git / blobdiff