Add COPYING
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Add COPYING
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#!/bin/sh
# Tcl ignores the next line -*- tcl -*- \
exec wish "$0" -- "${1+$@}"
# Copyright (C) 2005 Paul Mackerras. All rights reserved.
# This program is free software; it may be used, copied, modified
# and distributed under the terms of the GNU General Public Licence,
# either version 2, or (at your option) any later version.
# CVS $Revision: 1.20 $
proc readfullcommits {rargs} {
global commits commfd phase canv mainfont curcommit allcommitstate
if {$rargs == {}} {
set rargs HEAD
}
set commits {}
set curcommit {}
set allcommitstate none
set phase getcommits
if [catch {set commfd [open "|hgit rev-list -c $rargs" r]} err] {
puts stderr "Error executing hgit rev-list: $err"
exit 1
}
fconfigure $commfd -blocking 0
fileevent $commfd readable "getallcommitline $commfd"
$canv delete all
$canv create text 3 3 -anchor nw -text "Reading all commits..." \
-font $mainfont -tags textitems
}
proc getcommitline {commfd} {
global commits parents cdate nparents children nchildren
set n [gets $commfd line]
if {$n < 0} {
if {![eof $commfd]} return
# this works around what is apparently a bug in Tcl...
fconfigure $commfd -blocking 1
if {![catch {close $commfd} err]} {
after idle readallcommits
return
}
if {[string range $err 0 4] == "usage"} {
set err "\
Gitk: error reading commits: bad arguments to hgit rev-list.\n\
(Note: arguments to gitk are passed to hgit rev-list\
to allow selection of commits to be displayed.)"
} else {
set err "Error reading commits: $err"
}
error_popup $err
exit 1
}
if {![regexp {^[0-9a-f]{40}$} $line]} {
error_popup "Can't parse hgit rev-tree output: {$line}"
exit 1
}
lappend commits $line
}
proc readallcommits {} {
global commits
foreach id $commits {
readcommit $id
update
}
drawgraph
}
proc readonecommit {id contents} {
global commitinfo children nchildren parents nparents cdate
set inhdr 1
set comment {}
set headline {}
set auname {}
set audate {}
set comname {}
set comdate {}
if {![info exists nchildren($id)]} {
set children($id) {}
set nchildren($id) 0
}
set parents($id) {}
set nparents($id) 0
foreach line [split $contents "\n"] {
if {$inhdr} {
if {$line == {}} {
set inhdr 0
} else {
set tag [lindex $line 0]
if {$tag == "parent"} {
set p [lindex $line 1]
if {![info exists nchildren($p)]} {
set children($p) {}
set nchildren($p) 0
}
lappend parents($id) $p
incr nparents($id)
if {[lsearch -exact $children($p) $id] < 0} {
lappend children($p) $id
incr nchildren($p)
}
} elseif {$tag == "author"} {
set x [expr {[llength $line] - 2}]
set audate [lindex $line $x]
set auname [lrange $line 1 [expr {$x - 1}]]
} elseif {$tag == "committer"} {
set x [expr {[llength $line] - 2}]
set comdate [lindex $line $x]
set comname [lrange $line 1 [expr {$x - 1}]]
}
}
} else {
if {$comment == {}} {
set headline $line
} else {
append comment "\n"
}
append comment $line
}
}
if {$audate != {}} {
set audate [clock format $audate -format "%Y-%m-%d %H:%M:%S"]
}
if {$comdate != {}} {
set cdate($id) $comdate
set comdate [clock format $comdate -format "%Y-%m-%d %H:%M:%S"]
}
set commitinfo($id) [list $headline $auname $audate \
$comname $comdate $comment]
}
proc getallcommitline {commfd} {
global commits allcommitstate curcommit curcommitid
set n [gets $commfd line]
set s "\n"
if {$n < 0} {
if {![eof $commfd]} return
# this works around what is apparently a bug in Tcl...
fconfigure $commfd -blocking 1
if {![catch {close $commfd} err]} {
if {$allcommitstate == "indent"} {
readonecommit $curcommitid $curcommit
}
after idle drawgraph
return
}
if {[string range $err 0 4] == "usage"} {
set err "\
Gitk: error reading commits: bad arguments to hgit rev-list.\n\
(Note: arguments to gitk are passed to hgit rev-list\
to allow selection of commits to be displayed.)"
} else {
set err "Error reading commits: $err"
}
error_popup $err
exit 1
}
if {[string range $line 0 1] != " "} {
if {$allcommitstate == "indent"} {
readonecommit $curcommitid $curcommit
}
if {$allcommitstate == "start"} {
set curcommit $curcommit$line$s
set allcommitstate "indent"
} else {
set curcommitid $line
set curcommit {}
set allcommitstate "start"
lappend commits $line
}
} else {
set d [string range $line 2 end]
set curcommit $curcommit$d$s
}
}
proc getcommits {rargs} {
global commits commfd phase canv mainfont
if {$rargs == {}} {
set rargs HEAD
}
set commits {}
set phase getcommits
if [catch {set commfd [open "|hgit rev-list $rargs" r]} err] {
puts stderr "Error executing hgit rev-list: $err"
exit 1
}
fconfigure $commfd -blocking 0
fileevent $commfd readable "getcommitline $commfd"
$canv delete all
$canv create text 3 3 -anchor nw -text "Reading commits..." \
-font $mainfont -tags textitems
}
proc readcommit {id} {
global commitinfo children nchildren parents nparents cdate
set inhdr 1
set comment {}
set headline {}
set auname {}
set audate {}
set comname {}
set comdate {}
if {![info exists nchildren($id)]} {
set children($id) {}
set nchildren($id) 0
}
set parents($id) {}
set nparents($id) 0
if [catch {set contents [exec hgit cat-file commit $id]}] return
readonecommit $id $contents
}
proc readrefs {} {
global tagids idtags
set tags [glob -nocomplain -types f .git/refs/tags/*]
foreach f $tags {
catch {
set fd [open $f r]
set line [read $fd]
if {[regexp {^[0-9a-f]{40}} $line id]} {
set contents [split [exec hgit cat-file tag $id] "\n"]
set obj {}
set type {}
set tag {}
foreach l $contents {
if {$l == {}} break
switch -- [lindex $l 0] {
"object" {set obj [lindex $l 1]}
"type" {set type [lindex $l 1]}
"tag" {set tag [string range $l 4 end]}
}
}
if {$obj != {} && $type == "commit" && $tag != {}} {
set tagids($tag) $obj
lappend idtags($obj) $tag
}
}
}
}
}
proc error_popup msg {
set w .error
toplevel $w
wm transient $w .
message $w.m -text $msg -justify center -aspect 400
pack $w.m -side top -fill x -padx 20 -pady 20
button $w.ok -text OK -command "destroy $w"
pack $w.ok -side bottom -fill x
bind $w <Visibility> "grab $w; focus $w"
tkwait window $w
}
proc makewindow {} {
global canv canv2 canv3 linespc charspc ctext cflist textfont
global findtype findloc findstring fstring geometry
global entries sha1entry sha1string sha1but
menu .bar
.bar add cascade -label "File" -menu .bar.file
menu .bar.file
.bar.file add command -label "Quit" -command doquit
menu .bar.help
.bar add cascade -label "Help" -menu .bar.help
.bar.help add command -label "About gitk" -command about
. configure -menu .bar
if {![info exists geometry(canv1)]} {
set geometry(canv1) [expr 45 * $charspc]
set geometry(canv2) [expr 30 * $charspc]
set geometry(canv3) [expr 15 * $charspc]
set geometry(canvh) [expr 25 * $linespc + 4]
set geometry(ctextw) 80
set geometry(ctexth) 30
set geometry(cflistw) 30
}
panedwindow .ctop -orient vertical
if {[info exists geometry(width)]} {
.ctop conf -width $geometry(width) -height $geometry(height)
set texth [expr {$geometry(height) - $geometry(canvh) - 56}]
set geometry(ctexth) [expr {($texth - 8) /
[font metrics $textfont -linespace]}]
}
frame .ctop.top
frame .ctop.top.bar
pack .ctop.top.bar -side bottom -fill x
set cscroll .ctop.top.csb
scrollbar $cscroll -command {allcanvs yview} -highlightthickness 0
pack $cscroll -side right -fill y
panedwindow .ctop.top.clist -orient horizontal -sashpad 0 -handlesize 4
pack .ctop.top.clist -side top -fill both -expand 1
.ctop add .ctop.top
set canv .ctop.top.clist.canv
canvas $canv -height $geometry(canvh) -width $geometry(canv1) \
-bg white -bd 0 \
-yscrollincr $linespc -yscrollcommand "$cscroll set"
.ctop.top.clist add $canv
set canv2 .ctop.top.clist.canv2
canvas $canv2 -height $geometry(canvh) -width $geometry(canv2) \
-bg white -bd 0 -yscrollincr $linespc
.ctop.top.clist add $canv2
set canv3 .ctop.top.clist.canv3
canvas $canv3 -height $geometry(canvh) -width $geometry(canv3) \
-bg white -bd 0 -yscrollincr $linespc
.ctop.top.clist add $canv3
bind .ctop.top.clist <Configure> {resizeclistpanes %W %w}
set sha1entry .ctop.top.bar.sha1
set entries $sha1entry
set sha1but .ctop.top.bar.sha1label
button $sha1but -text "SHA1 ID: " -state disabled -relief flat \
-command gotocommit -width 8
$sha1but conf -disabledforeground [$sha1but cget -foreground]
pack .ctop.top.bar.sha1label -side left
entry $sha1entry -width 40 -font $textfont -textvariable sha1string
trace add variable sha1string write sha1change
pack $sha1entry -side left -pady 2
button .ctop.top.bar.findbut -text "Find" -command dofind
pack .ctop.top.bar.findbut -side left
set findstring {}
set fstring .ctop.top.bar.findstring
lappend entries $fstring
entry $fstring -width 30 -font $textfont -textvariable findstring
pack $fstring -side left -expand 1 -fill x
set findtype Exact
tk_optionMenu .ctop.top.bar.findtype findtype Exact IgnCase Regexp
set findloc "All fields"
tk_optionMenu .ctop.top.bar.findloc findloc "All fields" Headline \
Comments Author Committer
pack .ctop.top.bar.findloc -side right
pack .ctop.top.bar.findtype -side right
panedwindow .ctop.cdet -orient horizontal
.ctop add .ctop.cdet
frame .ctop.cdet.left
set ctext .ctop.cdet.left.ctext
text $ctext -bg white -state disabled -font $textfont \
-width $geometry(ctextw) -height $geometry(ctexth) \
-yscrollcommand ".ctop.cdet.left.sb set"
scrollbar .ctop.cdet.left.sb -command "$ctext yview"
pack .ctop.cdet.left.sb -side right -fill y
pack $ctext -side left -fill both -expand 1
.ctop.cdet add .ctop.cdet.left
$ctext tag conf filesep -font [concat $textfont bold]
$ctext tag conf hunksep -back blue -fore white
$ctext tag conf d0 -back "#ff8080"
$ctext tag conf d1 -back green
$ctext tag conf found -back yellow
frame .ctop.cdet.right
set cflist .ctop.cdet.right.cfiles
listbox $cflist -bg white -selectmode extended -width $geometry(cflistw) \
-yscrollcommand ".ctop.cdet.right.sb set"
scrollbar .ctop.cdet.right.sb -command "$cflist yview"
pack .ctop.cdet.right.sb -side right -fill y
pack $cflist -side left -fill both -expand 1
.ctop.cdet add .ctop.cdet.right
bind .ctop.cdet <Configure> {resizecdetpanes %W %w}
pack .ctop -side top -fill both -expand 1
bindall <1> {selcanvline %x %y}
bindall <B1-Motion> {selcanvline %x %y}
bindall <ButtonRelease-4> "allcanvs yview scroll -5 units"
bindall <ButtonRelease-5> "allcanvs yview scroll 5 units"
bindall <2> "allcanvs scan mark 0 %y"
bindall <B2-Motion> "allcanvs scan dragto 0 %y"
bind . <Key-Up> "selnextline -1"
bind . <Key-Down> "selnextline 1"
bind . <Key-Prior> "allcanvs yview scroll -1 pages"
bind . <Key-Next> "allcanvs yview scroll 1 pages"
bindkey <Key-Delete> "$ctext yview scroll -1 pages"
bindkey <Key-BackSpace> "$ctext yview scroll -1 pages"
bindkey <Key-space> "$ctext yview scroll 1 pages"
bindkey p "selnextline -1"
bindkey n "selnextline 1"
bindkey b "$ctext yview scroll -1 pages"
bindkey d "$ctext yview scroll 18 units"
bindkey u "$ctext yview scroll -18 units"
bindkey / findnext
bindkey ? findprev
bindkey f nextfile
bind . <Control-q> doquit
bind . <Control-f> dofind
bind . <Control-g> findnext
bind . <Control-r> findprev
bind . <Control-equal> {incrfont 1}
bind . <Control-KP_Add> {incrfont 1}
bind . <Control-minus> {incrfont -1}
bind . <Control-KP_Subtract> {incrfont -1}
bind $cflist <<ListboxSelect>> listboxsel
bind . <Destroy> {savestuff %W}
bind . <Button-1> "click %W"
bind $fstring <Key-Return> dofind
bind $sha1entry <Key-Return> gotocommit
}
# when we make a key binding for the toplevel, make sure
# it doesn't get triggered when that key is pressed in the
# find string entry widget.
proc bindkey {ev script} {
global entries
bind . $ev $script
set escript [bind Entry $ev]
if {$escript == {}} {
set escript [bind Entry <Key>]
}
foreach e $entries {
bind $e $ev "$escript; break"
}
}
# set the focus back to the toplevel for any click outside
# the entry widgets
proc click {w} {
global entries
foreach e $entries {
if {$w == $e} return
}
focus .
}
proc savestuff {w} {
global canv canv2 canv3 ctext cflist mainfont textfont
global stuffsaved
if {$stuffsaved} return
if {![winfo viewable .]} return
catch {
set f [open "~/.gitk-new" w]
puts $f "set mainfont {$mainfont}"
puts $f "set textfont {$textfont}"
puts $f "set geometry(width) [winfo width .ctop]"
puts $f "set geometry(height) [winfo height .ctop]"
puts $f "set geometry(canv1) [expr [winfo width $canv]-2]"
puts $f "set geometry(canv2) [expr [winfo width $canv2]-2]"
puts $f "set geometry(canv3) [expr [winfo width $canv3]-2]"
puts $f "set geometry(canvh) [expr [winfo height $canv]-2]"
set wid [expr {([winfo width $ctext] - 8) \
/ [font measure $textfont "0"]}]
puts $f "set geometry(ctextw) $wid"
set wid [expr {([winfo width $cflist] - 11) \
/ [font measure [$cflist cget -font] "0"]}]
puts $f "set geometry(cflistw) $wid"
close $f
file rename -force "~/.gitk-new" "~/.gitk"
}
set stuffsaved 1
}
proc resizeclistpanes {win w} {
global oldwidth
if [info exists oldwidth($win)] {
set s0 [$win sash coord 0]
set s1 [$win sash coord 1]
if {$w < 60} {
set sash0 [expr {int($w/2 - 2)}]
set sash1 [expr {int($w*5/6 - 2)}]
} else {
set factor [expr {1.0 * $w / $oldwidth($win)}]
set sash0 [expr {int($factor * [lindex $s0 0])}]
set sash1 [expr {int($factor * [lindex $s1 0])}]
if {$sash0 < 30} {
set sash0 30
}
if {$sash1 < $sash0 + 20} {
set sash1 [expr $sash0 + 20]
}
if {$sash1 > $w - 10} {
set sash1 [expr $w - 10]
if {$sash0 > $sash1 - 20} {
set sash0 [expr $sash1 - 20]
}
}
}
$win sash place 0 $sash0 [lindex $s0 1]
$win sash place 1 $sash1 [lindex $s1 1]
}
set oldwidth($win) $w
}
proc resizecdetpanes {win w} {
global oldwidth
if [info exists oldwidth($win)] {
set s0 [$win sash coord 0]
if {$w < 60} {
set sash0 [expr {int($w*3/4 - 2)}]
} else {
set factor [expr {1.0 * $w / $oldwidth($win)}]
set sash0 [expr {int($factor * [lindex $s0 0])}]
if {$sash0 < 45} {
set sash0 45
}
if {$sash0 > $w - 15} {
set sash0 [expr $w - 15]
}
}
$win sash place 0 $sash0 [lindex $s0 1]
}
set oldwidth($win) $w
}
proc allcanvs args {
global canv canv2 canv3
eval $canv $args
eval $canv2 $args
eval $canv3 $args
}
proc bindall {event action} {
global canv canv2 canv3
bind $canv $event $action
bind $canv2 $event $action
bind $canv3 $event $action
}
proc about {} {
set w .about
if {[winfo exists $w]} {
raise $w
return
}
toplevel $w
wm title $w "About gitk"
message $w.m -text {
Gitk version 1.1
Copyright © 2005 Paul Mackerras
Use and redistribute under the terms of the GNU General Public License
(CVS $Revision: 1.20 $)} \
-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 truncatetofit {str width font} {
if {[font measure $font $str] <= $width} {
return $str
}
set best 0
set bad [string length $str]
set tmp $str
while {$best < $bad - 1} {
set try [expr {int(($best + $bad) / 2)}]
set tmp "[string range $str 0 [expr $try-1]]..."
if {[font measure $font $tmp] <= $width} {
set best $try
} else {
set bad $try
}
}
return $tmp
}
proc assigncolor {id} {
global commitinfo colormap commcolors colors nextcolor
global colorbycommitter
global parents nparents children nchildren
if [info exists colormap($id)] return
set ncolors [llength $colors]
if {$colorbycommitter} {
if {![info exists commitinfo($id)]} {
readcommit $id
}
set comm [lindex $commitinfo($id) 3]
if {![info exists commcolors($comm)]} {
set commcolors($comm) [lindex $colors $nextcolor]
if {[incr nextcolor] >= $ncolors} {
set nextcolor 0
}
}
set colormap($id) $commcolors($comm)
} else {
if {$nparents($id) == 1 && $nchildren($id) == 1} {
set child [lindex $children($id) 0]
if {[info exists colormap($child)]
&& $nparents($child) == 1} {
set colormap($id) $colormap($child)
return
}
}
set badcolors {}
foreach child $children($id) {
if {[info exists colormap($child)]
&& [lsearch -exact $badcolors $colormap($child)] < 0} {
lappend badcolors $colormap($child)
}
if {[info exists parents($child)]} {
foreach p $parents($child) {
if {[info exists colormap($p)]
&& [lsearch -exact $badcolors $colormap($p)] < 0} {
lappend badcolors $colormap($p)
}
}
}
}
if {[llength $badcolors] >= $ncolors} {
set badcolors {}
}
for {set i 0} {$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) $c
}
}
proc drawgraph {} {
global parents children nparents nchildren commits
global canv canv2 canv3 mainfont namefont canvx0 canvy0 canvy linespc
global datemode cdate
global lineid linehtag linentag linedtag commitinfo
global nextcolor colormap numcommits
global stopped phase redisplaying selectedline idtags idline
allcanvs delete all
set start {}
foreach id [array names nchildren] {
if {$nchildren($id) == 0} {
lappend start $id
}
set ncleft($id) $nchildren($id)
if {![info exists nparents($id)]} {
set nparents($id) 0
}
}
if {$start == {}} {
error_popup "Gitk: ERROR: No starting commits found"
exit 1
}
set nextcolor 0
foreach id $start {
assigncolor $id
}
set todo $start
set level [expr [llength $todo] - 1]
set y2 $canvy0
set nullentry -1
set lineno -1
set numcommits 0
set phase drawgraph
set lthickness [expr {($linespc / 9) + 1}]
while 1 {
set canvy $y2
allcanvs conf -scrollregion \
[list 0 0 0 [expr $canvy + 0.5 * $linespc + 2]]
update
if {$stopped} break
incr numcommits
incr lineno
set nlines [llength $todo]
set id [lindex $todo $level]
set lineid($lineno) $id
set idline($id) $lineno
set actualparents {}
set ofill white
if {[info exists parents($id)]} {
foreach p $parents($id) {
if {[info exists ncleft($p)]} {
incr ncleft($p) -1
if {![info exists commitinfo($p)]} {
readcommit $p
if {![info exists commitinfo($p)]} continue
}
lappend actualparents $p
set ofill blue
}
}
}
if {![info exists commitinfo($id)]} {
readcommit $id
if {![info exists commitinfo($id)]} {
set commitinfo($id) {"No commit information available"}
}
}
set x [expr $canvx0 + $level * $linespc]
set y2 [expr $canvy + $linespc]
if {[info exists linestarty($level)] && $linestarty($level) < $canvy} {
set t [$canv create line $x $linestarty($level) $x $canvy \
-width $lthickness -fill $colormap($id)]
$canv lower $t
}
set linestarty($level) $canvy
set orad [expr {$linespc / 3}]
set t [$canv create oval [expr $x - $orad] [expr $canvy - $orad] \
[expr $x + $orad - 1] [expr $canvy + $orad - 1] \
-fill $ofill -outline black -width 1]
$canv raise $t
set xt [expr $canvx0 + $nlines * $linespc]
if {$nparents($id) > 2} {
set xt [expr {$xt + ($nparents($id) - 2) * $linespc}]
}
if {[info exists idtags($id)] && $idtags($id) != {}} {
set delta [expr {int(0.5 * ($linespc - $lthickness))}]
set yt [expr $canvy - 0.5 * $linespc]
set yb [expr $yt + $linespc - 1]
set xvals {}
set wvals {}
foreach tag $idtags($id) {
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 $canvy [lindex $xvals end] $canvy \
-width $lthickness -fill black]
$canv lower $t
foreach tag $idtags($id) x $xvals wid $wvals {
set xl [expr $x + $delta]
set xr [expr $x + $delta + $wid + $lthickness]
$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
$canv create text $xl $canvy -anchor w -text $tag \
-font $mainfont
}
}
set headline [lindex $commitinfo($id) 0]
set name [lindex $commitinfo($id) 1]
set date [lindex $commitinfo($id) 2]
set linehtag($lineno) [$canv create text $xt $canvy -anchor w \
-text $headline -font $mainfont ]
set linentag($lineno) [$canv2 create text 3 $canvy -anchor w \
-text $name -font $namefont]
set linedtag($lineno) [$canv3 create text 3 $canvy -anchor w \
-text $date -font $mainfont]
if {!$datemode && [llength $actualparents] == 1} {
set p [lindex $actualparents 0]
if {$ncleft($p) == 0 && [lsearch -exact $todo $p] < 0} {
assigncolor $p
set todo [lreplace $todo $level $level $p]
continue
}
}
set oldtodo $todo
set oldlevel $level
set lines {}
for {set i 0} {$i < $nlines} {incr i} {
if {[lindex $todo $i] == {}} continue
if {[info exists linestarty($i)]} {
set oldstarty($i) $linestarty($i)
unset linestarty($i)
}
if {$i != $level} {
lappend lines [list $i [lindex $todo $i]]
}
}
if {$nullentry >= 0} {
set todo [lreplace $todo $nullentry $nullentry]
if {$nullentry < $level} {
incr level -1
}
}
set todo [lreplace $todo $level $level]
if {$nullentry > $level} {
incr nullentry -1
}
set i $level
foreach p $actualparents {
set k [lsearch -exact $todo $p]
if {$k < 0} {
assigncolor $p
set todo [linsert $todo $i $p]
if {$nullentry >= $i} {
incr nullentry
}
incr i
}
lappend lines [list $oldlevel $p]
}
# choose which one to do next time around
set todol [llength $todo]
set level -1
set latest {}
for {set k $todol} {[incr k -1] >= 0} {} {
set p [lindex $todo $k]
if {$p == {}} continue
if {$ncleft($p) == 0} {
if {$datemode} {
if {$latest == {} || $cdate($p) > $latest} {
set level $k
set latest $cdate($p)
}
} else {
set level $k
break
}
}
}
if {$level < 0} {
if {$todo != {}} {
puts "ERROR: none of the pending commits can be done yet:"
foreach p $todo {
puts " $p"
}
}
break
}
# If we are reducing, put in a null entry
if {$todol < $nlines} {
if {$nullentry >= 0} {
set i $nullentry
while {$i < $todol
&& [lindex $oldtodo $i] == [lindex $todo $i]} {
incr i
}
} else {
set i $oldlevel
if {$level >= $i} {
incr i
}
}
if {$i >= $todol} {
set nullentry -1
} else {
set nullentry $i
set todo [linsert $todo $nullentry {}]
if {$level >= $i} {
incr level
}
}
} else {
set nullentry -1
}
foreach l $lines {
set i [lindex $l 0]
set dst [lindex $l 1]
set j [lsearch -exact $todo $dst]
if {$i == $j} {
if {[info exists oldstarty($i)]} {
set linestarty($i) $oldstarty($i)
}
continue
}
set xi [expr {$canvx0 + $i * $linespc}]
set xj [expr {$canvx0 + $j * $linespc}]
set coords {}
if {[info exists oldstarty($i)] && $oldstarty($i) < $canvy} {
lappend coords $xi $oldstarty($i)
}
lappend coords $xi $canvy
if {$j < $i - 1} {
lappend coords [expr $xj + $linespc] $canvy
} elseif {$j > $i + 1} {
lappend coords [expr $xj - $linespc] $canvy
}
lappend coords $xj $y2
set t [$canv create line $coords -width $lthickness \
-fill $colormap($dst)]
$canv lower $t
if {![info exists linestarty($j)]} {
set linestarty($j) $y2
}
}
}
set phase {}
if {$redisplaying} {
if {$stopped == 0 && [info exists selectedline]} {
selectline $selectedline
}
if {$stopped == 1} {
set stopped 0
after idle drawgraph
} else {
set redisplaying 0
}
}
}
proc findmatches {f} {
global findtype foundstring foundstrlen
if {$findtype == "Regexp"} {
set matches [regexp -indices -all -inline $foundstring $f]
} else {
if {$findtype == "IgnCase"} {
set str [string tolower $f]
} else {
set str $f
}
set matches {}
set i 0
while {[set j [string first $foundstring $str $i]] >= 0} {
lappend matches [list $j [expr $j+$foundstrlen-1]]
set i [expr $j + $foundstrlen]
}
}
return $matches
}
proc dofind {} {
global findtype findloc findstring markedmatches commitinfo
global numcommits lineid linehtag linentag linedtag
global mainfont namefont canv canv2 canv3 selectedline
global matchinglines foundstring foundstrlen idtags
unmarkmatches
focus .
set matchinglines {}
set fldtypes {Headline Author Date Committer CDate Comment}
if {$findtype == "IgnCase"} {
set foundstring [string tolower $findstring]
} else {
set foundstring $findstring
}
set foundstrlen [string length $findstring]
if {$foundstrlen == 0} return
if {![info exists selectedline]} {
set oldsel -1
} else {
set oldsel $selectedline
}
set didsel 0
for {set l 0} {$l < $numcommits} {incr l} {
set id $lineid($l)
set info $commitinfo($id)
set doesmatch 0
foreach f $info ty $fldtypes {
if {$findloc != "All fields" && $findloc != $ty} {
continue
}
set matches [findmatches $f]
if {$matches == {}} continue
set doesmatch 1
if {$ty == "Headline"} {
markmatches $canv $l $f $linehtag($l) $matches $mainfont
} elseif {$ty == "Author"} {
markmatches $canv2 $l $f $linentag($l) $matches $namefont
} elseif {$ty == "Date"} {
markmatches $canv3 $l $f $linedtag($l) $matches $mainfont
}
}
if {$doesmatch} {
lappend matchinglines $l
if {!$didsel && $l > $oldsel} {
findselectline $l
set didsel 1
}
}
}
if {$matchinglines == {}} {
bell
} elseif {!$didsel} {
findselectline [lindex $matchinglines 0]
}
}
proc findselectline {l} {
global findloc commentend ctext
selectline $l
if {$findloc == "All fields" || $findloc == "Comments"} {
# highlight the matches in the comments
set f [$ctext get 1.0 $commentend]
set matches [findmatches $f]
foreach match $matches {
set start [lindex $match 0]
set end [expr [lindex $match 1] + 1]
$ctext tag add found "1.0 + $start c" "1.0 + $end c"
}
}
}
proc findnext {} {
global matchinglines selectedline
if {![info exists matchinglines]} {
dofind
return
}
if {![info exists selectedline]} return
foreach l $matchinglines {
if {$l > $selectedline} {
findselectline $l
return
}
}
bell
}
proc findprev {} {
global matchinglines selectedline
if {![info exists matchinglines]} {
dofind
return
}
if {![info exists selectedline]} return
set prev {}
foreach l $matchinglines {
if {$l >= $selectedline} break
set prev $l
}
if {$prev != {}} {
findselectline $prev
} else {
bell
}
}
proc markmatches {canv l str tag matches font} {
set bbox [$canv bbox $tag]
set x0 [lindex $bbox 0]
set y0 [lindex $bbox 1]
set y1 [lindex $bbox 3]
foreach match $matches {
set start [lindex $match 0]
set end [lindex $match 1]
if {$start > $end} continue
set xoff [font measure $font [string range $str 0 [expr $start-1]]]
set xlen [font measure $font [string range $str 0 [expr $end]]]
set t [$canv create rect [expr $x0+$xoff] $y0 [expr $x0+$xlen+2] $y1 \
-outline {} -tags matches -fill yellow]
$canv lower $t
}
}
proc unmarkmatches {} {
global matchinglines
allcanvs delete matches
catch {unset matchinglines}
}
proc selcanvline {x y} {
global canv canvy0 ctext linespc selectedline
global lineid linehtag linentag linedtag
set ymax [lindex [$canv cget -scrollregion] 3]
if {$ymax == {}} return
set yfrac [lindex [$canv yview] 0]
set y [expr {$y + $yfrac * $ymax}]
set l [expr {int(($y - $canvy0) / $linespc + 0.5)}]
if {$l < 0} {
set l 0
}
if {[info exists selectedline] && $selectedline == $l} return
unmarkmatches
selectline $l
}
proc selectline {l} {
global canv canv2 canv3 ctext commitinfo selectedline
global lineid linehtag linentag linedtag
global canvy0 linespc nparents treepending
global cflist treediffs currentid sha1entry
global commentend seenfile numcommits idtags
if {![info exists lineid($l)] || ![info exists linehtag($l)]} return
$canv delete secsel
set t [eval $canv create rect [$canv bbox $linehtag($l)] -outline {{}} \
-tags secsel -fill [$canv cget -selectbackground]]
$canv lower $t
$canv2 delete secsel
set t [eval $canv2 create rect [$canv2 bbox $linentag($l)] -outline {{}} \
-tags secsel -fill [$canv2 cget -selectbackground]]
$canv2 lower $t
$canv3 delete secsel
set t [eval $canv3 create rect [$canv3 bbox $linedtag($l)] -outline {{}} \
-tags secsel -fill [$canv3 cget -selectbackground]]
$canv3 lower $t
set y [expr {$canvy0 + $l * $linespc}]
set ymax [lindex [$canv cget -scrollregion] 3]
set ytop [expr {$y - $linespc - 1}]
set ybot [expr {$y + $linespc + 1}]
set wnow [$canv yview]
set wtop [expr [lindex $wnow 0] * $ymax]
set wbot [expr [lindex $wnow 1] * $ymax]
set wh [expr {$wbot - $wtop}]
set newtop $wtop
if {$ytop < $wtop} {
if {$ybot < $wtop} {
set newtop [expr {$y - $wh / 2.0}]
} else {
set newtop $ytop
if {$newtop > $wtop - $linespc} {
set newtop [expr {$wtop - $linespc}]
}
}
} elseif {$ybot > $wbot} {
if {$ytop > $wbot} {
set newtop [expr {$y - $wh / 2.0}]
} else {
set newtop [expr {$ybot - $wh}]
if {$newtop < $wtop + $linespc} {
set newtop [expr {$wtop + $linespc}]
}
}
}
if {$newtop != $wtop} {
if {$newtop < 0} {
set newtop 0
}
allcanvs yview moveto [expr $newtop * 1.0 / $ymax]
}
set selectedline $l
set id $lineid($l)
set currentid $id
$sha1entry delete 0 end
$sha1entry insert 0 $id
$sha1entry selection from 0
$sha1entry selection to end
$ctext conf -state normal
$ctext delete 0.0 end
set info $commitinfo($id)
$ctext insert end "Author: [lindex $info 1] [lindex $info 2]\n"
$ctext insert end "Committer: [lindex $info 3] [lindex $info 4]\n"
if {[info exists idtags($id)]} {
$ctext insert end "Tags:"
foreach tag $idtags($id) {
$ctext insert end " $tag"
}
$ctext insert end "\n"
}
$ctext insert end "\n"
$ctext insert end [lindex $info 5]
$ctext insert end "\n"
$ctext tag delete Comments
$ctext tag remove found 1.0 end
$ctext conf -state disabled
set commentend [$ctext index "end - 1c"]
$cflist delete 0 end
if {$nparents($id) == 1} {
if {![info exists treediffs($id)]} {
if {![info exists treepending]} {
gettreediffs $id
}
} else {
addtocflist $id
}
}
catch {unset seenfile}
}
proc selnextline {dir} {
global selectedline
if {![info exists selectedline]} return
set l [expr $selectedline + $dir]
unmarkmatches
selectline $l
}
proc addtocflist {id} {
global currentid treediffs cflist treepending
if {$id != $currentid} {
gettreediffs $currentid
return
}
$cflist insert end "All files"
foreach f $treediffs($currentid) {
$cflist insert end $f
}
getblobdiffs $id
}
proc gettreediffs {id} {
global treediffs parents treepending
set treepending $id
set treediffs($id) {}
set p [lindex $parents($id) 0]
if [catch {set gdtf [open "|hgit diff-tree -r $p $id" r]}] return
fconfigure $gdtf -blocking 0
fileevent $gdtf readable "gettreediffline $gdtf $id"
}
proc gettreediffline {gdtf id} {
global treediffs treepending
set n [gets $gdtf line]
if {$n < 0} {
if {![eof $gdtf]} return
close $gdtf
unset treepending
addtocflist $id
return
}
set file [lindex $line 5]
lappend treediffs($id) $file
}
proc getblobdiffs {id} {
global parents diffopts blobdifffd env curdifftag curtagstart
global diffindex difffilestart
set p [lindex $parents($id) 0]
set env(GIT_DIFF_OPTS) $diffopts
if [catch {set bdf [open "|hgit diff-tree -r -p $p $id" r]} err] {
puts "error getting diffs: $err"
return
}
fconfigure $bdf -blocking 0
set blobdifffd($id) $bdf
set curdifftag Comments
set curtagstart 0.0
set diffindex 0
catch {unset difffilestart}
fileevent $bdf readable "getblobdiffline $bdf $id"
}
proc getblobdiffline {bdf id} {
global currentid blobdifffd ctext curdifftag curtagstart seenfile
global diffnexthead diffnextnote diffindex difffilestart
set n [gets $bdf line]
if {$n < 0} {
if {[eof $bdf]} {
close $bdf
if {$id == $currentid && $bdf == $blobdifffd($id)} {
$ctext tag add $curdifftag $curtagstart end
set seenfile($curdifftag) 1
}
}
return
}
if {$id != $currentid || $bdf != $blobdifffd($id)} {
return
}
$ctext conf -state normal
if {[regexp {^---[ \t]+([^/])*/([^\t]*)} $line match s0 fname]} {
# start of a new file
$ctext insert end "\n"
$ctext tag add $curdifftag $curtagstart end
set seenfile($curdifftag) 1
set curtagstart [$ctext index "end - 1c"]
set header $fname
if {[info exists diffnexthead]} {
set fname $diffnexthead
set header "$diffnexthead ($diffnextnote)"
unset diffnexthead
}
set difffilestart($diffindex) [$ctext index "end - 1c"]
incr diffindex
set curdifftag "f:$fname"
$ctext tag delete $curdifftag
set l [expr {(78 - [string length $header]) / 2}]
set pad [string range "----------------------------------------" 1 $l]
$ctext insert end "$pad $header $pad\n" filesep
} elseif {[string range $line 0 2] == "+++"} {
# no need to do anything with this
} elseif {[regexp {^Created: (.*) \((mode: *[0-7]*)\)} $line match fn m]} {
set diffnexthead $fn
set diffnextnote "created, mode $m"
} elseif {[string range $line 0 8] == "Deleted: "} {
set diffnexthead [string range $line 9 end]
set diffnextnote "deleted"
} elseif {[regexp {^diff --git a/(.*) b/} $line match fn]} {
# save the filename in case the next thing is "new file mode ..."
set diffnexthead $fn
set diffnextnote "modified"
} elseif {[regexp {^new file mode ([0-7]+)} $line match m]} {
set diffnextnote "new file, mode $m"
} elseif {[string range $line 0 11] == "deleted file"} {
set diffnextnote "deleted"
} elseif {[regexp {^@@ -([0-9]+),([0-9]+) \+([0-9]+),([0-9]+) @@(.*)} \
$line match f1l f1c f2l f2c rest]} {
$ctext insert end "\t" hunksep
$ctext insert end " $f1l " d0 " $f2l " d1
$ctext insert end " $rest \n" hunksep
} else {
set x [string range $line 0 0]
if {$x == "-" || $x == "+"} {
set tag [expr {$x == "+"}]
set line [string range $line 1 end]
$ctext insert end "$line\n" d$tag
} elseif {$x == " "} {
set line [string range $line 1 end]
$ctext insert end "$line\n"
} elseif {$x == "\\"} {
# e.g. "\ No newline at end of file"
$ctext insert end "$line\n" filesep
} else {
# Something else we don't recognize
if {$curdifftag != "Comments"} {
$ctext insert end "\n"
$ctext tag add $curdifftag $curtagstart end
set seenfile($curdifftag) 1
set curtagstart [$ctext index "end - 1c"]
set curdifftag Comments
}
$ctext insert end "$line\n" filesep
}
}
$ctext conf -state disabled
}
proc nextfile {} {
global difffilestart ctext
set here [$ctext index @0,0]
for {set i 0} {[info exists difffilestart($i)]} {incr i} {
if {[$ctext compare $difffilestart($i) > $here]} {
$ctext yview $difffilestart($i)
break
}
}
}
proc listboxsel {} {
global ctext cflist currentid treediffs seenfile
if {![info exists currentid]} return
set sel [$cflist curselection]
if {$sel == {} || [lsearch -exact $sel 0] >= 0} {
# show everything
$ctext tag conf Comments -elide 0
foreach f $treediffs($currentid) {
if [info exists seenfile(f:$f)] {
$ctext tag conf "f:$f" -elide 0
}
}
} else {
# just show selected files
$ctext tag conf Comments -elide 1
set i 1
foreach f $treediffs($currentid) {
set elide [expr {[lsearch -exact $sel $i] < 0}]
if [info exists seenfile(f:$f)] {
$ctext tag conf "f:$f" -elide $elide
}
incr i
}
}
}
proc setcoords {} {
global linespc charspc canvx0 canvy0 mainfont
set linespc [font metrics $mainfont -linespace]
set charspc [font measure $mainfont "m"]
set canvy0 [expr 3 + 0.5 * $linespc]
set canvx0 [expr 3 + 0.5 * $linespc]
}
proc redisplay {} {
global selectedline stopped redisplaying phase
if {$stopped > 1} return
if {$phase == "getcommits"} return
set redisplaying 1
if {$phase == "drawgraph"} {
set stopped 1
} else {
drawgraph
}
}
proc incrfont {inc} {
global mainfont namefont textfont selectedline ctext canv phase
global stopped entries
unmarkmatches
set mainfont [lreplace $mainfont 1 1 [expr {[lindex $mainfont 1] + $inc}]]
set namefont [lreplace $namefont 1 1 [expr {[lindex $namefont 1] + $inc}]]
set textfont [lreplace $textfont 1 1 [expr {[lindex $textfont 1] + $inc}]]
setcoords
$ctext conf -font $textfont
$ctext tag conf filesep -font [concat $textfont bold]
foreach e $entries {
$e conf -font $mainfont
}
if {$phase == "getcommits"} {
$canv itemconf textitems -font $mainfont
}
redisplay
}
proc sha1change {n1 n2 op} {
global sha1string currentid sha1but
if {$sha1string == {}
|| ([info exists currentid] && $sha1string == $currentid)} {
set state disabled
} else {
set state normal
}
if {[$sha1but cget -state] == $state} return
if {$state == "normal"} {
$sha1but conf -state normal -relief raised -text "Goto: "
} else {
$sha1but conf -state disabled -relief flat -text "SHA1 ID: "
}
}
proc gotocommit {} {
global sha1string currentid idline tagids
if {$sha1string == {}
|| ([info exists currentid] && $sha1string == $currentid)} return
if {[info exists tagids($sha1string)]} {
set id $tagids($sha1string)
} else {
set id [string tolower $sha1string]
}
if {[info exists idline($id)]} {
selectline $idline($id)
return
}
if {[regexp {^[0-9a-fA-F]{40}$} $sha1string]} {
set type "SHA1 id"
} else {
set type "Tag"
}
error_popup "$type $sha1string is not known"
}
proc doquit {} {
global stopped
set stopped 100
destroy .
}
# defaults...
set datemode 0
set boldnames 0
set diffopts "-U 5 -p"
set mainfont {Helvetica 9}
set textfont {Courier 9}
set colors {green red blue magenta darkgrey brown orange}
set colorbycommitter false
catch {source ~/.gitk}
set namefont $mainfont
if {$boldnames} {
lappend namefont bold
}
set revtreeargs {}
foreach arg $argv {
switch -regexp -- $arg {
"^$" { }
"^-b" { set boldnames 1 }
"^-c" { set colorbycommitter 1 }
"^-d" { set datemode 1 }
default {
lappend revtreeargs $arg
}
}
}
set stopped 0
set redisplaying 0
set stuffsaved 0
setcoords
makewindow
readrefs
readfullcommits $revtreeargs