mirror of
https://github.com/git/git.git
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510 lines
13 KiB
Tcl
Executable File
510 lines
13 KiB
Tcl
Executable File
#!/bin/sh
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# Tcl ignores the next line -*- tcl -*- \
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exec wish "$0" -- "${1+$@}"
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# Copyright (C) 2005 Paul Mackerras. All rights reserved.
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# This program is free software; it may be used, copied, modified
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# and distributed under the terms of the GNU General Public Licence,
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# either version 2, or (at your option) any later version.
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# CVS $Revision: 1.4 $
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set datemode 0
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set boldnames 0
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set revtreeargs {}
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set mainfont {Helvetica 9}
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set namefont $mainfont
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if {$boldnames} {
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lappend namefont bold
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}
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catch {source ~/.gitk}
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foreach arg $argv {
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switch -regexp -- $arg {
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"^$" { }
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"^-d" { set datemode 1 }
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"^-b" { set boldnames 1 }
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"^-.*" {
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puts stderr "unrecognized option $arg"
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exit 1
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}
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default {
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lappend revtreeargs $arg
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}
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}
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}
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proc getcommits {rargs} {
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global commits parents cdate nparents children nchildren
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if {$rargs == {}} {
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set rargs HEAD
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}
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set commits {}
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foreach c [split [eval exec git-rev-tree $rargs] "\n"] {
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set i 0
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set cid {}
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foreach f $c {
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if {$i == 0} {
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set d $f
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} else {
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set id [lindex [split $f :] 0]
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if {![info exists nchildren($id)]} {
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set children($id) {}
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set nchildren($id) 0
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}
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if {$i == 1} {
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set cid $id
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lappend commits $id
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set parents($id) {}
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set cdate($id) $d
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set nparents($id) 0
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} else {
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lappend parents($cid) $id
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incr nparents($cid)
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incr nchildren($id)
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lappend children($id) $cid
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}
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}
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incr i
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}
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}
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}
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proc readcommit {id} {
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global commitinfo commitsummary
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set inhdr 1
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set comment {}
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set headline {}
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set auname {}
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set audate {}
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set comname {}
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set comdate {}
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foreach line [split [exec git-cat-file commit $id] "\n"] {
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if {$inhdr} {
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if {$line == {}} {
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set inhdr 0
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} else {
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set tag [lindex $line 0]
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if {$tag == "author"} {
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set x [expr {[llength $line] - 2}]
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set audate [lindex $line $x]
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set auname [lrange $line 1 [expr {$x - 1}]]
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} elseif {$tag == "committer"} {
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set x [expr {[llength $line] - 2}]
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set comdate [lindex $line $x]
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set comname [lrange $line 1 [expr {$x - 1}]]
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}
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}
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} else {
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if {$comment == {}} {
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set headline $line
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} else {
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append comment "\n"
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}
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append comment $line
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}
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}
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if {$audate != {}} {
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set audate [clock format $audate -format "%Y-%m-%d %H:%M:%S"]
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}
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if {$comdate != {}} {
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set comdate [clock format $comdate -format "%Y-%m-%d %H:%M:%S"]
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}
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set commitinfo($id) [list $comment $auname $audate $comname $comdate]
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set commitsummary($id) [list $headline $auname $audate]
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}
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proc gettreediffs {id} {
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global treediffs parents
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set p [lindex $parents($id) 0]
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set diff {}
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foreach line [split [exec git-diff-tree -r $p $id] "\n"] {
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set type [lindex $line 1]
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set file [lindex $line 3]
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if {$type == "blob"} {
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lappend diff $file
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}
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}
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set treediffs($id) $diff
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}
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proc makewindow {} {
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global canv canv2 canv3 linespc charspc ctext cflist
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panedwindow .ctop -orient vertical
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panedwindow .ctop.clist -orient horizontal -sashpad 0 -handlesize 4
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.ctop add .ctop.clist
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set canv .ctop.clist.canv
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set cscroll .ctop.clist.dates.csb
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canvas $canv -height [expr 30 * $linespc + 4] -width [expr 45 * $charspc] \
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-bg white -bd 0 \
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-yscrollincr $linespc -yscrollcommand "$cscroll set"
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.ctop.clist add $canv
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set canv2 .ctop.clist.canv2
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canvas $canv2 -height [expr 30 * $linespc +4] -width [expr 30 * $charspc] \
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-bg white -bd 0 -yscrollincr $linespc
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.ctop.clist add $canv2
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frame .ctop.clist.dates
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.ctop.clist add .ctop.clist.dates
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set canv3 .ctop.clist.dates.canv3
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canvas $canv3 -height [expr 30 * $linespc +4] -width [expr 15 * $charspc] \
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-bg white -bd 0 -yscrollincr $linespc
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scrollbar $cscroll -command {allcanvs yview} -highlightthickness 0
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pack .ctop.clist.dates.csb -side right -fill y
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pack $canv3 -side left -fill both -expand 1
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panedwindow .ctop.cdet -orient horizontal
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.ctop add .ctop.cdet
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set ctext .ctop.cdet.ctext
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text $ctext -bg white -state disabled
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.ctop.cdet add $ctext
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#pack $ctext -side top -fill x -expand 1
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set cflist .ctop.cdet.cfiles
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listbox $cflist -width 30 -bg white
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.ctop.cdet add $cflist
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pack .ctop -side top -fill both -expand 1
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bindall <1> {selcanvline %x %y}
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bindall <B1-Motion> {selcanvline %x %y}
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bindall <ButtonRelease-4> "allcanvs yview scroll -5 u"
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bindall <ButtonRelease-5> "allcanvs yview scroll 5 u"
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bindall <2> "allcanvs scan mark 0 %y"
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bindall <B2-Motion> "allcanvs scan dragto 0 %y"
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bind . <Key-Prior> "allcanvs yview scroll -1 p"
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bind . <Key-Next> "allcanvs yview scroll 1 p"
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bind . <Key-Delete> "allcanvs yview scroll -1 p"
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bind . <Key-BackSpace> "allcanvs yview scroll -1 p"
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bind . <Key-space> "allcanvs yview scroll 1 p"
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bind . <Key-Up> "selnextline -1"
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bind . <Key-Down> "selnextline 1"
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bind . Q "set stopped 1; destroy ."
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}
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proc allcanvs args {
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global canv canv2 canv3
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eval $canv $args
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eval $canv2 $args
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eval $canv3 $args
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}
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proc bindall {event action} {
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global canv canv2 canv3
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bind $canv $event $action
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bind $canv2 $event $action
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bind $canv3 $event $action
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}
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proc truncatetofit {str width font} {
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if {[font measure $font $str] <= $width} {
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return $str
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}
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set best 0
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set bad [string length $str]
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set tmp $str
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while {$best < $bad - 1} {
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set try [expr {int(($best + $bad) / 2)}]
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set tmp "[string range $str 0 [expr $try-1]]..."
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if {[font measure $font $tmp] <= $width} {
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set best $try
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} else {
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set bad $try
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}
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}
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return $tmp
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}
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proc drawgraph {start} {
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global parents children nparents nchildren commits
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global canv canv2 canv3 mainfont namefont canvx0 canvy0 canvy linespc
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global datemode cdate
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global lineid linehtag linentag linedtag commitsummary
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set colors {green red blue magenta darkgrey brown orange}
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set ncolors [llength $colors]
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set nextcolor 0
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set colormap($start) [lindex $colors 0]
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foreach id $commits {
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set ncleft($id) $nchildren($id)
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}
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set todo [list $start]
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set level 0
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set y2 $canvy0
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set linestarty(0) $canvy0
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set nullentry -1
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set lineno -1
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while 1 {
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set canvy $y2
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allcanvs conf -scrollregion [list 0 0 0 $canvy]
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update
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incr lineno
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set nlines [llength $todo]
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set id [lindex $todo $level]
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set lineid($lineno) $id
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set actualparents {}
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foreach p $parents($id) {
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if {[info exists ncleft($p)]} {
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incr ncleft($p) -1
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lappend actualparents $p
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}
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}
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if {![info exists commitsummary($id)]} {
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readcommit $id
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}
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set x [expr $canvx0 + $level * $linespc]
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set y2 [expr $canvy + $linespc]
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if {$linestarty($level) < $canvy} {
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set t [$canv create line $x $linestarty($level) $x $canvy \
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-width 2 -fill $colormap($id)]
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$canv lower $t
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set linestarty($level) $canvy
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}
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set t [$canv create oval [expr $x - 4] [expr $canvy - 4] \
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[expr $x + 3] [expr $canvy + 3] \
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-fill blue -outline black -width 1]
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$canv raise $t
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set xt [expr $canvx0 + $nlines * $linespc]
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set headline [lindex $commitsummary($id) 0]
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set name [lindex $commitsummary($id) 1]
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set date [lindex $commitsummary($id) 2]
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set linehtag($lineno) [$canv create text $xt $canvy -anchor w \
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-text $headline -font $mainfont ]
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set linentag($lineno) [$canv2 create text 3 $canvy -anchor w \
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-text $name -font $namefont]
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set linedtag($lineno) [$canv3 create text 3 $canvy -anchor w \
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-text $date -font $mainfont]
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if {!$datemode && [llength $actualparents] == 1} {
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set p [lindex $actualparents 0]
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if {$ncleft($p) == 0 && [lsearch -exact $todo $p] < 0} {
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set todo [lreplace $todo $level $level $p]
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set colormap($p) $colormap($id)
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continue
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}
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}
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set oldtodo $todo
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set oldlevel $level
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set lines {}
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for {set i 0} {$i < $nlines} {incr i} {
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if {[lindex $todo $i] == {}} continue
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set oldstarty($i) $linestarty($i)
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if {$i != $level} {
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lappend lines [list $i [lindex $todo $i]]
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}
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}
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unset linestarty
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if {$nullentry >= 0} {
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set todo [lreplace $todo $nullentry $nullentry]
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if {$nullentry < $level} {
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incr level -1
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}
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}
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set badcolors [list $colormap($id)]
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foreach p $actualparents {
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if {[info exists colormap($p)]} {
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lappend badcolors $colormap($p)
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}
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}
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set todo [lreplace $todo $level $level]
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if {$nullentry > $level} {
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incr nullentry -1
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}
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set i $level
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foreach p $actualparents {
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set k [lsearch -exact $todo $p]
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if {$k < 0} {
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set todo [linsert $todo $i $p]
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if {$nullentry >= $i} {
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incr nullentry
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}
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if {$nparents($id) == 1 && $nparents($p) == 1
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&& $nchildren($p) == 1} {
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set colormap($p) $colormap($id)
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} else {
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for {set j 0} {$j <= $ncolors} {incr j} {
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if {[incr nextcolor] >= $ncolors} {
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set nextcolor 0
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}
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set c [lindex $colors $nextcolor]
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# make sure the incoming and outgoing colors differ
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if {[lsearch -exact $badcolors $c] < 0} break
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}
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set colormap($p) $c
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lappend badcolors $c
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}
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}
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lappend lines [list $oldlevel $p]
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}
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# choose which one to do next time around
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set todol [llength $todo]
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set level -1
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set latest {}
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for {set k $todol} {[incr k -1] >= 0} {} {
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set p [lindex $todo $k]
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if {$p == {}} continue
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if {$ncleft($p) == 0} {
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if {$datemode} {
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if {$latest == {} || $cdate($p) > $latest} {
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set level $k
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set latest $cdate($p)
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}
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} else {
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set level $k
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break
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}
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}
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}
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if {$level < 0} {
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if {$todo != {}} {
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puts "ERROR: none of the pending commits can be done yet:"
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foreach p $todo {
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puts " $p"
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}
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}
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break
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}
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# If we are reducing, put in a null entry
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if {$todol < $nlines} {
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if {$nullentry >= 0} {
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set i $nullentry
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while {$i < $todol
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&& [lindex $oldtodo $i] == [lindex $todo $i]} {
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incr i
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}
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} else {
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set i $oldlevel
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if {$level >= $i} {
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incr i
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}
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}
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if {$i >= $todol} {
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set nullentry -1
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} else {
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set nullentry $i
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set todo [linsert $todo $nullentry {}]
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if {$level >= $i} {
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incr level
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}
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}
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} else {
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set nullentry -1
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}
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foreach l $lines {
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set i [lindex $l 0]
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set dst [lindex $l 1]
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set j [lsearch -exact $todo $dst]
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if {$i == $j} {
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set linestarty($i) $oldstarty($i)
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continue
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}
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set xi [expr {$canvx0 + $i * $linespc}]
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set xj [expr {$canvx0 + $j * $linespc}]
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set coords {}
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if {$oldstarty($i) < $canvy} {
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lappend coords $xi $oldstarty($i)
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}
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lappend coords $xi $canvy
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if {$j < $i - 1} {
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lappend coords [expr $xj + $linespc] $canvy
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} elseif {$j > $i + 1} {
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lappend coords [expr $xj - $linespc] $canvy
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}
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lappend coords $xj $y2
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set t [$canv create line $coords -width 2 -fill $colormap($dst)]
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$canv lower $t
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if {![info exists linestarty($j)]} {
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set linestarty($j) $y2
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}
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}
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}
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}
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proc selcanvline {x y} {
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global canv canvy0 ctext linespc selectedline
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global lineid linehtag linentag linedtag commitinfo
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set ymax [lindex [$canv cget -scrollregion] 3]
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set yfrac [lindex [$canv yview] 0]
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set y [expr {$y + $yfrac * $ymax}]
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set l [expr {int(($y - $canvy0) / $linespc + 0.5)}]
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if {$l < 0} {
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set l 0
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}
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if {[info exists selectedline] && $selectedline == $l} return
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selectline $l
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}
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proc selectline {l} {
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global canv ctext commitinfo selectedline lineid linehtag
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global canvy canvy0 linespc nparents
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global cflist treediffs
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if {![info exists lineid($l)] || ![info exists linehtag($l)]} return
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$canv select clear
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$canv select from $linehtag($l) 0
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$canv select to $linehtag($l) end
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set y [expr {$canvy0 + $l * $linespc}]
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set ytop [expr {($y - $linespc / 2.0) / $canvy}]
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set ybot [expr {($y + $linespc / 2.0) / $canvy}]
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set wnow [$canv yview]
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if {$ytop < [lindex $wnow 0]} {
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allcanvs yview moveto $ytop
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} elseif {$ybot > [lindex $wnow 1]} {
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set wh [expr {[lindex $wnow 1] - [lindex $wnow 0]}]
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allcanvs yview moveto [expr {$ybot - $wh}]
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}
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set selectedline $l
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set id $lineid($l)
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$ctext conf -state normal
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$ctext delete 0.0 end
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set info $commitinfo($id)
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$ctext insert end "Author: [lindex $info 1] \t[lindex $info 2]\n"
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$ctext insert end "Committer: [lindex $info 3] \t[lindex $info 4]\n"
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$ctext insert end "\n"
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$ctext insert end [lindex $info 0]
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$ctext conf -state disabled
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$cflist delete 0 end
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if {$nparents($id) == 1} {
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if {![info exists treediffs($id)]} {
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gettreediffs $id
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}
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foreach f $treediffs($id) {
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$cflist insert end $f
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}
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}
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}
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proc selnextline {dir} {
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global selectedline
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if {![info exists selectedline]} return
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set l [expr $selectedline + $dir]
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selectline $l
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}
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getcommits $revtreeargs
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set linespc [font metrics $mainfont -linespace]
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set charspc [font measure $mainfont "m"]
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set canvy0 [expr 3 + 0.5 * $linespc]
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set canvx0 [expr 3 + 0.5 * $linespc]
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set namex [expr 45 * $charspc]
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set datex [expr 75 * $charspc]
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makewindow
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set start {}
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foreach id $commits {
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if {$nchildren($id) == 0} {
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set start $id
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break
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}
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}
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if {$start != {}} {
|
|
drawgraph $start
|
|
}
|