#!/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: 1.24 $
proc getcommits {rargs} {
global commits commfd phase canv mainfont
global startmsecs nextupdate
global ctext maincursor textcursor nlines
if {$rargs == {}} {
set rargs HEAD
}
set commits {}
set phase getcommits
set startmsecs [clock clicks -milliseconds]
set nextupdate [expr $startmsecs + 100]
if [catch {set commfd [open "|git-rev-list --merge-order $rargs" r]} err] {
puts stderr "Error executing git-rev-list: $err"
exit 1
}
set nlines 0
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
. config -cursor watch
$ctext config -cursor watch
}
proc getcommitline {commfd} {
global commits parents cdate children nchildren
global commitlisted phase commitinfo nextupdate
global stopped redisplaying nlines
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 finishcommits
return
}
if {[string range $err 0 4] == "usage"} {
set err \
{Gitk: error reading commits: bad arguments to git-rev-list.
(Note: arguments to gitk are passed to git-rev-list
to allow selection of commits to be displayed.)}
} else {
set err "Error reading commits: $err"
}
error_popup $err
exit 1
}
incr nlines
if {![regexp {^[0-9a-f]{40}$} $line id]} {
error_popup "Can't parse git-rev-list output: {$line}"
exit 1
}
lappend commits $id
set commitlisted($id) 1
if {![info exists commitinfo($id)]} {
readcommit $id
}
foreach p $parents($id) {
if {[info exists commitlisted($p)]} {
puts "oops, parent $p before child $id"
}
}
drawcommit $id
if {[clock clicks -milliseconds] >= $nextupdate} {
doupdate
}
while {$redisplaying} {
set redisplaying 0
if {$stopped == 1} {
set stopped 0
set phase "getcommits"
foreach id $commits {
drawcommit $id
if {$stopped} break
if {[clock clicks -milliseconds] >= $nextupdate} {
doupdate
}
}
}
}
}
proc doupdate {} {
global commfd nextupdate
incr nextupdate 100
fileevent $commfd readable {}
update
fileevent $commfd readable "getcommitline $commfd"
}
proc readcommit {id} {
global commitinfo children nchildren parents nparents cdate ncleft
global noreadobj
set inhdr 1
set comment {}
set headline {}
set auname {}
set audate {}
set comname {}
set comdate {}
if {![info exists nchildren($id)]} {
set children($id) {}
set nchildren($id) 0
set ncleft($id) 0
}
set parents($id) {}
set nparents($id) 0
if {$noreadobj} {
if [catch {set contents [exec git-cat-file commit $id]}] return
} else {
if [catch {set x [readobj $id]}] return
if {[lindex $x 0] != "commit"} return
set contents [lindex $x 1]
}
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
set ncleft($p) 0
}
lappend parents($id) $p
incr nparents($id)
# sometimes we get a commit that lists a parent twice...
if {[lsearch -exact $children($p) $id] < 0} {
lappend children($p) $id
incr nchildren($p)
incr ncleft($p)
}
} elseif {$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 readrefs {} {
global tagids idtags headids idheads
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 direct [file tail $f]
set tagids($direct) $id
lappend idtags($id) $direct
set contents [split [exec git-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
}
}
close $fd
}
}
set heads [glob -nocomplain -types f .git/refs/heads/*]
foreach f $heads {
catch {
set fd [open $f r]
set line [read $fd 40]
if {[regexp {^[0-9a-f]{40}} $line id]} {
set head [file tail $f]
set headids($head) $line
lappend idheads($line) $head
}
close $fd
}
}
}
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
global maincursor textcursor
global linectxmenu
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 $sha1entry <Key-Return> gotocommit
set maincursor [. cget -cursor]
set textcursor [$ctext cget -cursor]
set linectxmenu .linectxmenu
menu $linectxmenu -tearoff 0
$linectxmenu add command -label "Select" -command lineselect
}
# 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: 1.24 $)} \
-justify center -aspect 400
pack $w.m -side top -fill x -padx 20 -pady 20
button $w.ok -text Close -command "destroy $w"
pack $w.ok -side bottom
}
proc assigncolor {id} {
global commitinfo colormap commcolors colors nextcolor
global parents nparents children nchildren
if [info exists colormap($id)] return
set ncolors [llength $colors]
if {$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 initgraph {} {
global canvy canvy0 lineno numcommits lthickness nextcolor linespc
global glines
global nchildren ncleft
allcanvs delete all
set nextcolor 0
set canvy $canvy0
set lineno -1
set numcommits 0
set lthickness [expr {int($linespc / 9) + 1}]
catch {unset glines}
foreach id [array names nchildren] {
set ncleft($id) $nchildren($id)
}
}
proc bindline {t id} {
global canv
$canv bind $t <Button-3> "linemenu %X %Y $id"
$canv bind $t <Enter> "lineenter %x %y $id"
$canv bind $t <Motion> "linemotion %x %y $id"
$canv bind $t <Leave> "lineleave $id"
}
proc drawcommitline {level} {
global parents children nparents nchildren todo
global canv canv2 canv3 mainfont namefont canvx0 canvy linespc
global datemode cdate
global lineid linehtag linentag linedtag commitinfo
global colormap numcommits currentparents dupparents
global oldlevel oldnlines oldtodo
global idtags idline idheads
global lineno lthickness glines
global commitlisted
incr numcommits
incr lineno
set id [lindex $todo $level]
set lineid($lineno) $id
set idline($id) $lineno
set ofill [expr {[info exists commitlisted($id)]? "blue": "white"}]
if {![info exists commitinfo($id)]} {
readcommit $id
if {![info exists commitinfo($id)]} {
set commitinfo($id) {"No commit information available"}
set nparents($id) 0
}
}
set currentparents {}
set dupparents {}
if {[info exists commitlisted($id)] && [info exists parents($id)]} {
foreach p $parents($id) {
if {[lsearch -exact $currentparents $p] < 0} {
lappend currentparents $p
} else {
# remember that this parent was listed twice
lappend dupparents $p
}
}
}
set x [expr $canvx0 + $level * $linespc]
set y1 $canvy
set canvy [expr $canvy + $linespc]
allcanvs conf -scrollregion \
[list 0 0 0 [expr $y1 + 0.5 * $linespc + 2]]
if {[info exists glines($id)]} {
lappend glines($id) $x $y1
set t [$canv create line $glines($id) \
-width $lthickness -fill $colormap($id)]
$canv lower $t
bindline $t $id
}
set orad [expr {$linespc / 3}]
set t [$canv create oval [expr $x - $orad] [expr $y1 - $orad] \
[expr $x + $orad - 1] [expr $y1 + $orad - 1] \
-fill $ofill -outline black -width 1]
$canv raise $t
set xt [expr $canvx0 + [llength $todo] * $linespc]
if {$nparents($id) > 2} {
set xt [expr {$xt + ($nparents($id) - 2) * $linespc}]
}
set marks {}
set ntags 0
if {[info exists idtags($id)]} {
set marks $idtags($id)
set ntags [llength $marks]
}
if {[info exists idheads($id)]} {
set marks [concat $marks $idheads($id)]
}
if {$marks != {}} {
set delta [expr {int(0.5 * ($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]
$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
$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
} else {
# draw a head
set xl [expr $xl - $delta/2]
$canv create polygon $x $yt $xr $yt $xr $yb $x $yb \
-width 1 -outline black -fill green
}
$canv create text $xl $y1 -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 $y1 -anchor w \
-text $headline -font $mainfont ]
set linentag($lineno) [$canv2 create text 3 $y1 -anchor w \
-text $name -font $namefont]
set linedtag($lineno) [$canv3 create text 3 $y1 -anchor w \
-text $date -font $mainfont]
}
proc updatetodo {level noshortcut} {
global datemode currentparents ncleft todo
global glines oldlevel oldtodo oldnlines
global canvx0 canvy linespc glines
global commitinfo
foreach p $currentparents {
if {![info exists commitinfo($p)]} {
readcommit $p
}
}
set x [expr $canvx0 + $level * $linespc]
set y [expr $canvy - $linespc]
if {!$noshortcut && [llength $currentparents] == 1} {
set p [lindex $currentparents 0]
if {$ncleft($p) == 0 && [lsearch -exact $todo $p] < 0} {
assigncolor $p
set glines($p) [list $x $y]
set todo [lreplace $todo $level $level $p]
return 0
}
}
set oldlevel $level
set oldtodo $todo
set oldnlines [llength $todo]
set todo [lreplace $todo $level $level]
set i $level
foreach p $currentparents {
incr ncleft($p) -1
set k [lsearch -exact $todo $p]
if {$k < 0} {
assigncolor $p
set todo [linsert $todo $i $p]
incr i
}
}
return 1
}
proc drawslants {} {
global canv glines canvx0 canvy linespc
global oldlevel oldtodo todo currentparents dupparents
global lthickness linespc canvy colormap
set y1 [expr $canvy - $linespc]
set y2 $canvy
set i -1
foreach id $oldtodo {
incr i
if {$id == {}} continue
set xi [expr {$canvx0 + $i * $linespc}]
if {$i == $oldlevel} {
foreach p $currentparents {
set j [lsearch -exact $todo $p]
set coords [list $xi $y1]
set xj [expr {$canvx0 + $j * $linespc}]
if {$j < $i - 1} {
lappend coords [expr $xj + $linespc] $y1
} elseif {$j > $i + 1} {
lappend coords [expr $xj - $linespc] $y1
}
if {[lsearch -exact $dupparents $p] >= 0} {
# draw a double-width line to indicate the doubled parent
lappend coords $xj $y2
set t [$canv create line $coords \
-width [expr 2*$lthickness] -fill $colormap($p)]
$canv lower $t
bindline $t $p
if {![info exists glines($p)]} {
set glines($p) [list $xj $y2]
}
} else {
# normal case, no parent duplicated
if {![info exists glines($p)]} {
if {$i != $j} {
lappend coords $xj $y2
}
set glines($p) $coords
} else {
lappend coords $xj $y2
set t [$canv create line $coords \
-width $lthickness -fill $colormap($p)]
$canv lower $t
bindline $t $p
}
}
}
} elseif {[lindex $todo $i] != $id} {
set j [lsearch -exact $todo $id]
set xj [expr {$canvx0 + $j * $linespc}]
lappend glines($id) $xi $y1 $xj $y2
}
}
}
proc decidenext {} {
global parents children nchildren ncleft todo
global canv canv2 canv3 mainfont namefont canvx0 canvy linespc
global datemode cdate
global lineid linehtag linentag linedtag commitinfo
global currentparents oldlevel oldnlines oldtodo
global lineno lthickness
# remove the null entry if present
set nullentry [lsearch -exact $todo {}]
if {$nullentry >= 0} {
set todo [lreplace $todo $nullentry $nullentry]
}
# 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 $k]
if {$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 " $p"
}
}
return -1
}
# If we are reducing, put in a null entry
if {$todol < $oldnlines} {
if {$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 todo [linsert $todo $i {}]
if {$level >= $i} {
incr level
}
}
}
return $level
}
proc drawcommit {id} {
global phase todo nchildren datemode nextupdate
global startcommits
if {$phase != "incrdraw"} {
set phase incrdraw
set todo $id
set startcommits $id
initgraph
assigncolor $id
drawcommitline 0
updatetodo 0 $datemode
} else {
if {$nchildren($id) == 0} {
lappend todo $id
lappend startcommits $id
assigncolor $id
}
set level [decidenext]
if {$id != [lindex $todo $level]} {
return
}
while 1 {
drawslants
drawcommitline $level
if {[updatetodo $level $datemode]} {
set level [decidenext]
}
set id [lindex $todo $level]
if {![info exists commitlisted($id)]} {
break
}
if {[clock clicks -milliseconds] >= $nextupdate} {
doupdate
if {$stopped} break
}
}
}
}
proc finishcommits {} {
global phase
global startcommits
global ctext maincursor textcursor
if {$phase != "incrdraw"} {
$canv delete all
$canv create text 3 3 -anchor nw -text "No commits selected" \
-font $mainfont -tags textitems
set phase {}
return
}
drawslants
set level [decidenext]
drawrest $level [llength $startcommits]
. config -cursor $maincursor
$ctext config -cursor $textcursor
}
proc drawgraph {} {
global nextupdate startmsecs startcommits todo
if {$startcommits == {}} return
set startmsecs [clock clicks -milliseconds]
set nextupdate [expr $startmsecs + 100]
initgraph
set todo [lindex $startcommits 0]
drawrest 0 1
}
proc drawrest {level startix} {
global phase stopped redisplaying selectedline
global datemode currentparents todo
global numcommits
global nextupdate startmsecs startcommits idline
if {$level >= 0} {
set phase drawgraph
set startid [lindex $startcommits $startix]
set startline -1
if {$startid != {}} {
set startline $idline($startid)
}
while 1 {
if {$stopped} break
drawcommitline $level
set hard [updatetodo $level $datemode]
if {$numcommits == $startline} {
lappend todo $startid
set hard 1
incr startix
set startid [lindex $startcommits $startix]
set startline -1
if {$startid != {}} {
set startline $idline($startid)
}
}
if {$hard} {
set level [decidenext]
if {$level < 0} break
drawslants
}
if {[clock clicks -milliseconds] >= $nextupdate} {
update
incr nextupdate 100
}
}
}
set phase {}
set drawmsecs [expr [clock clicks -milliseconds] - $startmsecs]
#puts "overall $drawmsecs ms for $numcommits commits"
if {$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 $matches
}
proc dofind {} {
global findtype findloc findstring markedmatches commitinfo
global numcommits lineid linehtag linentag linedtag
global mainfont namefont canv canv2 canv3 selectedline
global matchinglines foundstring foundstrlen
unmarkmatches
focus .
set matchinglines {}
set fldtypes {Headline Author Date Committer CDate Comment}
if {$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 idtags
$canv delete hover
if {![info exists lineid($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 "|git-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 "|git-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]+([^/])*/(.*)} $line match s1 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" || $phase == "incrdraw"} {
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 linemenu {x y id} {
global linectxmenu linemenuid
set linemenuid $id
$linectxmenu post $x $y
}
proc lineselect {} {
global linemenuid idline
if {[info exists linemenuid] && [info exists idline($linemenuid)]} {
selectline $idline($linemenuid)
}
}
proc lineenter {x y id} {
global hoverx hovery hoverid hovertimer
global commitinfo canv
if {![info exists commitinfo($id)]} return
set hoverx $x
set hovery $y
set hoverid $id
if {[info exists hovertimer]} {
after cancel $hovertimer
}
set hovertimer [after 500 linehover]
$canv delete hover
}
proc linemotion {x y id} {
global hoverx hovery hoverid hovertimer
if {[info exists hoverid] && $id == $hoverid} {
set hoverx $x
set hovery $y
if {[info exists hovertimer]} {
after cancel $hovertimer
}
set hovertimer [after 500 linehover]
}
}
proc lineleave {id} {
global hoverid hovertimer canv
if {[info exists hoverid] && $id == $hoverid} {
$canv delete hover
if {[info exists hovertimer]} {
after cancel $hovertimer
unset hovertimer
}
unset hoverid
}
}
proc linehover {} {
global hoverx hovery hoverid hovertimer
global canv linespc lthickness
global commitinfo mainfont
set text [lindex $commitinfo($hoverid) 0]
set ymax [lindex [$canv cget -scrollregion] 3]
if {$ymax == {}} return
set yfrac [lindex [$canv yview] 0]
set x [expr {$hoverx + 2 * $linespc}]
set y [expr {$hovery + $yfrac * $ymax - $linespc / 2}]
set x0 [expr {$x - 2 * $lthickness}]
set y0 [expr {$y - 2 * $lthickness}]
set x1 [expr {$x + [font measure $mainfont $text] + 2 * $lthickness}]
set y1 [expr {$y + $linespc + 2 * $lthickness}]
set t [$canv create rectangle $x0 $y0 $x1 $y1 \
-fill \#ffff80 -outline black -width 1 -tags hover]
$canv raise $t
set t [$canv create text $x $y -anchor nw -text $text -tags hover]
$canv raise $t
}
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}
catch {source ~/.gitk}
set namefont $mainfont
if {$boldnames} {
lappend namefont bold
}
set revtreeargs {}
foreach arg $argv {
switch -regexp -- $arg {
"^$" { }
"^-b" { set boldnames 1 }
"^-d" { set datemode 1 }
default {
lappend revtreeargs $arg
}
}
}
set noreadobj [catch {load libreadobj.so.0.0}]
set stopped 0
set redisplaying 0
set stuffsaved 0
setcoords
makewindow
readrefs
getcommits $revtreeargs