blob: 87e71629afd4b2eca8d1c768bea0a20815405b2b [file] [log] [blame]
#!/bin/sh
# Tcl ignores the next line -*- tcl -*- \
exec wish "$0" -- "$@"
# 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.
proc gitdir {} {
global env
if {[info exists env(GIT_DIR)]} {
return $env(GIT_DIR)
} else {
return ".git"
}
}
proc parse_args {rargs} {
global parsed_args
if {[catch {
set parse_args [concat --default HEAD $rargs]
set parsed_args [split [eval exec git-rev-parse $parse_args] "\n"]
}]} {
# if git-rev-parse failed for some reason...
if {$rargs == {}} {
set rargs HEAD
}
set parsed_args $rargs
}
return $parsed_args
}
proc start_rev_list {rlargs} {
global startmsecs nextupdate ncmupdate
global commfd leftover tclencoding datemode
set startmsecs [clock clicks -milliseconds]
set nextupdate [expr {$startmsecs + 100}]
set ncmupdate 1
initlayout
set order "--topo-order"
if {$datemode} {
set order "--date-order"
}
if {[catch {
set commfd [open [concat | git-rev-list --header $order \
--parents --boundary $rlargs] r]
} err]} {
puts stderr "Error executing git-rev-list: $err"
exit 1
}
set leftover {}
fconfigure $commfd -blocking 0 -translation lf
if {$tclencoding != {}} {
fconfigure $commfd -encoding $tclencoding
}
fileevent $commfd readable [list getcommitlines $commfd]
. config -cursor watch
settextcursor watch
}
proc getcommits {rargs} {
global phase canv mainfont
set phase getcommits
start_rev_list [parse_args $rargs]
$canv delete all
$canv create text 3 3 -anchor nw -text "Reading commits..." \
-font $mainfont -tags textitems
}
proc getcommitlines {commfd} {
global commitlisted nextupdate
global leftover
global displayorder commitidx commitrow commitdata
global parentlist childlist children
set stuff [read $commfd]
if {$stuff == {}} {
if {![eof $commfd]} return
# set it blocking so we wait for the process to terminate
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
}
set start 0
set gotsome 0
while 1 {
set i [string first "\0" $stuff $start]
if {$i < 0} {
append leftover [string range $stuff $start end]
break
}
if {$start == 0} {
set cmit $leftover
append cmit [string range $stuff 0 [expr {$i - 1}]]
set leftover {}
} else {
set cmit [string range $stuff $start [expr {$i - 1}]]
}
set start [expr {$i + 1}]
set j [string first "\n" $cmit]
set ok 0
set listed 1
if {$j >= 0} {
set ids [string range $cmit 0 [expr {$j - 1}]]
if {[string range $ids 0 0] == "-"} {
set listed 0
set ids [string range $ids 1 end]
}
set ok 1
foreach id $ids {
if {[string length $id] != 40} {
set ok 0
break
}
}
}
if {!$ok} {
set shortcmit $cmit
if {[string length $shortcmit] > 80} {
set shortcmit "[string range $shortcmit 0 80]..."
}
error_popup "Can't parse git-rev-list output: {$shortcmit}"
exit 1
}
set id [lindex $ids 0]
if {$listed} {
set olds [lrange $ids 1 end]
if {[llength $olds] > 1} {
set olds [lsort -unique $olds]
}
foreach p $olds {
lappend children($p) $id
}
} else {
set olds {}
}
lappend parentlist $olds
if {[info exists children($id)]} {
lappend childlist $children($id)
} else {
lappend childlist {}
}
set commitdata($id) [string range $cmit [expr {$j + 1}] end]
set commitrow($id) $commitidx
incr commitidx
lappend displayorder $id
lappend commitlisted $listed
set gotsome 1
}
if {$gotsome} {
layoutmore
}
if {[clock clicks -milliseconds] >= $nextupdate} {
doupdate 1
}
}
proc doupdate {reading} {
global commfd nextupdate numcommits ncmupdate
if {$reading} {
fileevent $commfd readable {}
}
update
set nextupdate [expr {[clock clicks -milliseconds] + 100}]
if {$numcommits < 100} {
set ncmupdate [expr {$numcommits + 1}]
} elseif {$numcommits < 10000} {
set ncmupdate [expr {$numcommits + 10}]
} else {
set ncmupdate [expr {$numcommits + 100}]
}
if {$reading} {
fileevent $commfd readable [list getcommitlines $commfd]
}
}
proc readcommit {id} {
if {[catch {set contents [exec git-cat-file commit $id]}]} return
parsecommit $id $contents 0
}
proc updatecommits {rargs} {
stopfindproc
foreach v {colormap selectedline matchinglines treediffs
mergefilelist currentid rowtextx commitrow
rowidlist rowoffsets idrowranges idrangedrawn iddrawn
linesegends crossings cornercrossings} {
global $v
catch {unset $v}
}
allcanvs delete all
readrefs
getcommits $rargs
}
proc parsecommit {id contents listed} {
global commitinfo cdate
set inhdr 1
set comment {}
set headline {}
set auname {}
set audate {}
set comname {}
set comdate {}
set hdrend [string first "\n\n" $contents]
if {$hdrend < 0} {
# should never happen...
set hdrend [string length $contents]
}
set header [string range $contents 0 [expr {$hdrend - 1}]]
set comment [string range $contents [expr {$hdrend + 2}] end]
foreach line [split $header "\n"] {
set tag [lindex $line 0]
if {$tag == "author"} {
set audate [lindex $line end-1]
set auname [lrange $line 1 end-2]
} elseif {$tag == "committer"} {
set comdate [lindex $line end-1]
set comname [lrange $line 1 end-2]
}
}
set headline {}
# take the first line of the comment as the headline
set i [string first "\n" $comment]
if {$i >= 0} {
set headline [string trim [string range $comment 0 $i]]
} else {
set headline $comment
}
if {!$listed} {
# git-rev-list indents the comment by 4 spaces;
# if we got this via git-cat-file, add the indentation
set newcomment {}
foreach line [split $comment "\n"] {
append newcomment " "
append newcomment $line
append newcomment "\n"
}
set comment $newcomment
}
if {$comdate != {}} {
set cdate($id) $comdate
}
set commitinfo($id) [list $headline $auname $audate \
$comname $comdate $comment]
}
proc getcommit {id} {
global commitdata commitinfo
if {[info exists commitdata($id)]} {
parsecommit $id $commitdata($id) 1
} else {
readcommit $id
if {![info exists commitinfo($id)]} {
set commitinfo($id) {"No commit information available"}
}
}
return 1
}
proc readrefs {} {
global tagids idtags headids idheads tagcontents
global otherrefids idotherrefs
foreach v {tagids idtags headids idheads otherrefids idotherrefs} {
catch {unset $v}
}
set refd [open [list | git ls-remote [gitdir]] r]
while {0 <= [set n [gets $refd line]]} {
if {![regexp {^([0-9a-f]{40}) refs/([^^]*)$} $line \
match id path]} {
continue
}
if {![regexp {^(tags|heads)/(.*)$} $path match type name]} {
set type others
set name $path
}
if {$type == "tags"} {
set tagids($name) $id
lappend idtags($id) $name
set obj {}
set type {}
set tag {}
catch {
set commit [exec git-rev-parse "$id^0"]
if {"$commit" != "$id"} {
set tagids($name) $commit
lappend idtags($commit) $name
}
}
catch {
set tagcontents($name) [exec git-cat-file tag "$id"]
}
} elseif { $type == "heads" } {
set headids($name) $id
lappend idheads($id) $name
} else {
set otherrefids($name) $id
lappend idotherrefs($id) $name
}
}
close $refd
}
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"
bind $w <Key-Return> "destroy $w"
tkwait window $w
}
proc makewindow {rargs} {
global canv canv2 canv3 linespc charspc ctext cflist textfont mainfont uifont
global findtype findtypemenu findloc findstring fstring geometry
global entries sha1entry sha1string sha1but
global maincursor textcursor curtextcursor
global rowctxmenu mergemax
menu .bar
.bar add cascade -label "File" -menu .bar.file
.bar configure -font $uifont
menu .bar.file
.bar.file add command -label "Update" -command [list updatecommits $rargs]
.bar.file add command -label "Reread references" -command rereadrefs
.bar.file add command -label "Quit" -command doquit
.bar.file configure -font $uifont
menu .bar.edit
.bar add cascade -label "Edit" -menu .bar.edit
.bar.edit add command -label "Preferences" -command doprefs
.bar.edit configure -font $uifont
menu .bar.help
.bar add cascade -label "Help" -menu .bar.help
.bar.help add command -label "About gitk" -command about
.bar.help add command -label "Key bindings" -command keys
.bar.help configure -font $uifont
. 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 "scrollcanv $cscroll"
.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 -font $uifont
$sha1but conf -disabledforeground [$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
image create bitmap bm-left -data {
#define left_width 16
#define left_height 16
static unsigned char left_bits[] = {
0x00, 0x00, 0xc0, 0x01, 0xe0, 0x00, 0x70, 0x00, 0x38, 0x00, 0x1c, 0x00,
0x0e, 0x00, 0xff, 0x7f, 0xff, 0x7f, 0xff, 0x7f, 0x0e, 0x00, 0x1c, 0x00,
0x38, 0x00, 0x70, 0x00, 0xe0, 0x00, 0xc0, 0x01};
}
image create bitmap bm-right -data {
#define right_width 16
#define right_height 16
static unsigned char right_bits[] = {
0x00, 0x00, 0xc0, 0x01, 0x80, 0x03, 0x00, 0x07, 0x00, 0x0e, 0x00, 0x1c,
0x00, 0x38, 0xff, 0x7f, 0xff, 0x7f, 0xff, 0x7f, 0x00, 0x38, 0x00, 0x1c,
0x00, 0x0e, 0x00, 0x07, 0x80, 0x03, 0xc0, 0x01};
}
button .ctop.top.bar.leftbut -image bm-left -command goback \
-state disabled -width 26
pack .ctop.top.bar.leftbut -side left -fill y
button .ctop.top.bar.rightbut -image bm-right -command goforw \
-state disabled -width 26
pack .ctop.top.bar.rightbut -side left -fill y
button .ctop.top.bar.findbut -text "Find" -command dofind -font $uifont
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 -font $textfont
pack $fstring -side left -expand 1 -fill x
set findtype Exact
set findtypemenu [tk_optionMenu .ctop.top.bar.findtype \
findtype Exact IgnCase Regexp]
.ctop.top.bar.findtype configure -font $uifont
.ctop.top.bar.findtype.menu configure -font $uifont
set findloc "All fields"
tk_optionMenu .ctop.top.bar.findloc findloc "All fields" Headline \
Comments Author Committer Files Pickaxe
.ctop.top.bar.findloc configure -font $uifont
.ctop.top.bar.findloc.menu configure -font $uifont
pack .ctop.top.bar.findloc -side right
pack .ctop.top.bar.findtype -side right
# for making sure type==Exact whenever loc==Pickaxe
trace add variable findloc write findlocchange
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 $geometry(ctexth) \
-yscrollcommand ".ctop.cdet.left.sb set" -wrap none
scrollbar .ctop.cdet.left.sb -command "$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] -back "#aaaaaa"
$ctext tag conf hunksep -fore blue
$ctext tag conf d0 -fore red
$ctext tag conf d1 -fore "#00a000"
$ctext tag conf m0 -fore red
$ctext tag conf m1 -fore blue
$ctext tag conf m2 -fore green
$ctext tag conf m3 -fore purple
$ctext tag conf m4 -fore brown
$ctext tag conf m5 -fore "#009090"
$ctext tag conf m6 -fore magenta
$ctext tag conf m7 -fore "#808000"
$ctext tag conf m8 -fore "#009000"
$ctext tag conf m9 -fore "#ff0080"
$ctext tag conf m10 -fore cyan
$ctext tag conf m11 -fore "#b07070"
$ctext tag conf m12 -fore "#70b0f0"
$ctext tag conf m13 -fore "#70f0b0"
$ctext tag conf m14 -fore "#f0b070"
$ctext tag conf m15 -fore "#ff70b0"
$ctext tag conf mmax -fore darkgrey
set mergemax 16
$ctext tag conf mresult -font [concat $textfont bold]
$ctext tag conf msep -font [concat $textfont bold]
$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" -font $mainfont
scrollbar .ctop.cdet.right.sb -command "$cflist yview"
pack .ctop.cdet.right.sb -side right -fill y
pack $cflist -side left -fill both -expand 1
.ctop.cdet add .ctop.cdet.right
bind .ctop.cdet <Configure> {resizecdetpanes %W %w}
pack .ctop -side top -fill both -expand 1
bindall <1> {selcanvline %W %x %y}
#bindall <B1-Motion> {selcanvline %W %x %y}
bindall <ButtonRelease-4> "allcanvs yview scroll -5 units"
bindall <ButtonRelease-5> "allcanvs yview scroll 5 units"
bindall <2> "canvscan mark %W %x %y"
bindall <B2-Motion> "canvscan dragto %W %x %y"
bindkey <Home> selfirstline
bindkey <End> sellastline
bind . <Key-Up> "selnextline -1"
bind . <Key-Down> "selnextline 1"
bindkey <Key-Right> "goforw"
bindkey <Key-Left> "goback"
bind . <Key-Prior> "selnextpage -1"
bind . <Key-Next> "selnextpage 1"
bind . <Control-Home> "allcanvs yview moveto 0.0"
bind . <Control-End> "allcanvs yview moveto 1.0"
bind . <Control-Key-Up> "allcanvs yview scroll -1 units"
bind . <Control-Key-Down> "allcanvs yview scroll 1 units"
bind . <Control-Key-Prior> "allcanvs yview scroll -1 pages"
bind . <Control-Key-Next> "allcanvs yview scroll 1 pages"
bindkey <Key-Delete> "$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 z "goback"
bindkey x "goforw"
bindkey i "selnextline -1"
bindkey k "selnextline 1"
bindkey j "goback"
bindkey l "goforw"
bindkey b "$ctext yview scroll -1 pages"
bindkey d "$ctext yview scroll 18 units"
bindkey u "$ctext yview scroll -18 units"
bindkey / {findnext 1}
bindkey <Key-Return> {findnext 0}
bindkey ? findprev
bindkey f nextfile
bind . <Control-q> doquit
bind . <Control-f> dofind
bind . <Control-g> {findnext 0}
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
bind $sha1entry <<PasteSelection>> clearsha1
set maincursor [. cget -cursor]
set textcursor [$ctext cget -cursor]
set curtextcursor $textcursor
set rowctxmenu .rowctxmenu
menu $rowctxmenu -tearoff 0
$rowctxmenu add command -label "Diff this -> selected" \
-command {diffvssel 0}
$rowctxmenu add command -label "Diff selected -> this" \
-command {diffvssel 1}
$rowctxmenu add command -label "Make patch" -command mkpatch
$rowctxmenu add command -label "Create tag" -command mktag
$rowctxmenu add command -label "Write commit to file" -command writecommit
}
# mouse-2 makes all windows scan vertically, but only the one
# the cursor is in scans horizontally
proc canvscan {op w x y} {
global canv canv2 canv3
foreach c [list $canv $canv2 $canv3] {
if {$c == $w} {
$c scan $op $x $y
} else {
$c scan $op 0 $y
}
}
}
proc scrollcanv {cscroll f0 f1} {
$cscroll set $f0 $f1
drawfrac $f0 $f1
}
# 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 == $e} return
}
focus .
}
proc savestuff {w} {
global canv canv2 canv3 ctext cflist mainfont textfont uifont
global stuffsaved findmergefiles maxgraphpct
global maxwidth
if {$stuffsaved} return
if {![winfo viewable .]} return
catch {
set f [open "~/.gitk-new" w]
puts $f [list set mainfont $mainfont]
puts $f [list set textfont $textfont]
puts $f [list set uifont $uifont]
puts $f [list set findmergefiles $findmergefiles]
puts $f [list set maxgraphpct $maxgraphpct]
puts $f [list set maxwidth $maxwidth]
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 - a commit viewer for git
Copyright © 2005-2006 Paul Mackerras
Use and redistribute under the terms of the GNU General Public License} \
-justify center -aspect 400
pack $w.m -side top -fill x -padx 20 -pady 20
button $w.ok -text Close -command "destroy $w"
pack $w.ok -side bottom
}
proc keys {} {
set w .keys
if {[winfo exists $w]} {
raise $w
return
}
toplevel $w
wm title $w "Gitk key bindings"
message $w.m -text {
Gitk key bindings:
<Ctrl-Q> Quit
<Home> Move to first commit
<End> Move to last commit
<Up>, p, i Move up one commit
<Down>, n, k Move down one commit
<Left>, z, j Go back in history list
<Right>, x, l Go forward in history list
<PageUp> Move up one page in commit list
<PageDown> Move down one page in commit list
<Ctrl-Home> Scroll to top of commit list
<Ctrl-End> Scroll to bottom of commit list
<Ctrl-Up> Scroll commit list up one line
<Ctrl-Down> Scroll commit list down one line
<Ctrl-PageUp> Scroll commit list up one page
<Ctrl-PageDown> Scroll commit list down one page
<Delete>, b Scroll diff view up one page
<Backspace> Scroll diff view up one page
<Space> Scroll diff view down one page
u Scroll diff view up 18 lines
d Scroll diff view down 18 lines
<Ctrl-F> Find
<Ctrl-G> Move to next find hit
<Ctrl-R> Move to previous find hit
<Return> Move to next find hit
/ Move to next find hit, or redo find
? Move to previous find hit
f Scroll diff view to next file
<Ctrl-KP+> Increase font size
<Ctrl-plus> Increase font size
<Ctrl-KP-> Decrease font size
<Ctrl-minus> Decrease font size
} \
-justify left -bg white -border 2 -relief sunken
pack $w.m -side top -fill both
button $w.ok -text Close -command "destroy $w"
pack $w.ok -side bottom
}
proc shortids {ids} {
set res {}
foreach id $ids {
if {[llength $id] > 1} {
lappend res [shortids $id]
} elseif {[regexp {^[0-9a-f]{40}$} $id]} {
lappend res [string range $id 0 7]
} else {
lappend res $id
}
}
return $res
}
proc incrange {l x o} {
set n [llength $l]
while {$x < $n} {
set e [lindex $l $x]
if {$e ne {}} {
lset l $x [expr {$e + $o}]
}
incr x
}
return $l
}
proc ntimes {n o} {
set ret {}
for {} {$n > 0} {incr n -1} {
lappend ret $o
}
return $ret
}
proc usedinrange {id l1 l2} {
global children commitrow
if {[info exists commitrow($id)]} {
set r $commitrow($id)
if {$l1 <= $r && $r <= $l2} {
return [expr {$r - $l1 + 1}]
}
}
foreach c $children($id) {
if {[info exists commitrow($c)]} {
set r $commitrow($c)
if {$l1 <= $r && $r <= $l2} {
return [expr {$r - $l1 + 1}]
}
}
}
return 0
}
proc sanity {row {full 0}} {
global rowidlist rowoffsets
set col -1
set ids [lindex $rowidlist $row]
foreach id $ids {
incr col
if {$id eq {}} continue
if {$col < [llength $ids] - 1 &&
[lsearch -exact -start [expr {$col+1}] $ids $id] >= 0} {
puts "oops: [shortids $id] repeated in row $row col $col: {[shortids [lindex $rowidlist $row]]}"
}
set o [lindex $rowoffsets $row $col]
set y $row
set x $col
while {$o ne {}} {
incr y -1
incr x $o
if {[lindex $rowidlist $y $x] != $id} {
puts "oops: rowoffsets wrong at row [expr {$y+1}] col [expr {$x-$o}]"
puts " id=[shortids $id] check started at row $row"
for {set i $row} {$i >= $y} {incr i -1} {
puts " row $i ids={[shortids [lindex $rowidlist $i]]} offs={[lindex $rowoffsets $i]}"
}
break
}
if {!$full} break
set o [lindex $rowoffsets $y $x]
}
}
}
proc makeuparrow {oid x y z} {
global rowidlist rowoffsets uparrowlen idrowranges
for {set i 1} {$i < $uparrowlen && $y > 1} {incr i} {
incr y -1
incr x $z
set off0 [lindex $rowoffsets $y]
for {set x0 $x} {1} {incr x0} {
if {$x0 >= [llength $off0]} {
set x0 [llength [lindex $rowoffsets [expr {$y-1}]]]
break
}
set z [lindex $off0 $x0]
if {$z ne {}} {
incr x0 $z
break
}
}
set z [expr {$x0 - $x}]
lset rowidlist $y [linsert [lindex $rowidlist $y] $x $oid]
lset rowoffsets $y [linsert [lindex $rowoffsets $y] $x $z]
}
set tmp [lreplace [lindex $rowoffsets $y] $x $x {}]
lset rowoffsets $y [incrange $tmp [expr {$x+1}] -1]
lappend idrowranges($oid) $y
}
proc initlayout {} {
global rowidlist rowoffsets displayorder commitlisted
global rowlaidout rowoptim
global idinlist rowchk
global commitidx numcommits canvxmax canv
global nextcolor
global parentlist childlist children
set commitidx 0
set numcommits 0
set displayorder {}
set commitlisted {}
set parentlist {}
set childlist {}
catch {unset children}
set nextcolor 0
set rowidlist {{}}
set rowoffsets {{}}
catch {unset idinlist}
catch {unset rowchk}
set rowlaidout 0
set rowoptim 0
set canvxmax [$canv cget -width]
}
proc setcanvscroll {} {
global canv canv2 canv3 numcommits linespc canvxmax canvy0
set ymax [expr {$canvy0 + ($numcommits - 0.5) * $linespc + 2}]
$canv conf -scrollregion [list 0 0 $canvxmax $ymax]
$canv2 conf -scrollregion [list 0 0 0 $ymax]
$canv3 conf -scrollregion [list 0 0 0 $ymax]
}
proc visiblerows {} {
global canv numcommits linespc
set ymax [lindex [$canv cget -scrollregion] 3]
if {$ymax eq {} || $ymax == 0} return
set f [$canv yview]
set y0 [expr {int([lindex $f 0] * $ymax)}]
set r0 [expr {int(($y0 - 3) / $linespc) - 1}]
if {$r0 < 0} {
set r0 0
}
set y1 [expr {int([lindex $f 1] * $ymax)}]
set r1 [expr {int(($y1 - 3) / $linespc) + 1}]
if {$r1 >= $numcommits} {
set r1 [expr {$numcommits - 1}]
}
return [list $r0 $r1]
}
proc layoutmore {} {
global rowlaidout rowoptim commitidx numcommits optim_delay
global uparrowlen
set row $rowlaidout
set rowlaidout [layoutrows $row $commitidx 0]
set orow [expr {$rowlaidout - $uparrowlen - 1}]
if {$orow > $rowoptim} {
checkcrossings $rowoptim $orow
optimize_rows $rowoptim 0 $orow
set rowoptim $orow
}
set canshow [expr {$rowoptim - $optim_delay}]
if {$canshow > $numcommits} {
showstuff $canshow
}
}
proc showstuff {canshow} {
global numcommits
global linesegends idrowranges idrangedrawn
if {$numcommits == 0} {
global phase
set phase "incrdraw"
allcanvs delete all
}
set row $numcommits
set numcommits $canshow
setcanvscroll
set rows [visiblerows]
set r0 [lindex $rows 0]
set r1 [lindex $rows 1]
for {set r $row} {$r < $canshow} {incr r} {
if {[info exists linesegends($r)]} {
foreach id $linesegends($r) {
set i -1
foreach {s e} $idrowranges($id) {
incr i
if {$e ne {} && $e < $numcommits && $s <= $r1 && $e >= $r0
&& ![info exists idrangedrawn($id,$i)]} {
drawlineseg $id $i
set idrangedrawn($id,$i) 1
}
}
}
}
}
if {$canshow > $r1} {
set canshow $r1
}
while {$row < $canshow} {
drawcmitrow $row
incr row
}
}
proc layoutrows {row endrow last} {
global rowidlist rowoffsets displayorder
global uparrowlen downarrowlen maxwidth mingaplen
global childlist parentlist
global idrowranges linesegends
global commitidx
global idinlist rowchk
set idlist [lindex $rowidlist $row]
set offs [lindex $rowoffsets $row]
while {$row < $endrow} {
set id [lindex $displayorder $row]
set oldolds {}
set newolds {}
foreach p [lindex $parentlist $row] {
if {![info exists idinlist($p)]} {
lappend newolds $p
} elseif {!$idinlist($p)} {
lappend oldolds $p
}
}
set nev [expr {[llength $idlist] + [llength $newolds]
+ [llength $oldolds] - $maxwidth + 1}]
if {$nev > 0} {
if {!$last && $row + $uparrowlen + $mingaplen >= $commitidx} break
for {set x [llength $idlist]} {[incr x -1] >= 0} {} {
set i [lindex $idlist $x]
if {![info exists rowchk($i)] || $row >= $rowchk($i)} {
set r [usedinrange $i [expr {$row - $downarrowlen}] \
[expr {$row + $uparrowlen + $mingaplen}]]
if {$r == 0} {
set idlist [lreplace $idlist $x $x]
set offs [lreplace $offs $x $x]
set offs [incrange $offs $x 1]
set idinlist($i) 0
set rm1 [expr {$row - 1}]
lappend linesegends($rm1) $i
lappend idrowranges($i) $rm1
if {[incr nev -1] <= 0} break
continue
}
set rowchk($id) [expr {$row + $r}]
}
}
lset rowidlist $row $idlist
lset rowoffsets $row $offs
}
set col [lsearch -exact $idlist $id]
if {$col < 0} {
set col [llength $idlist]
lappend idlist $id
lset rowidlist $row $idlist
set z {}
if {[lindex $childlist $row] ne {}} {
set z [expr {[llength [lindex $rowidlist [expr {$row-1}]]] - $col}]
unset idinlist($id)
}
lappend offs $z
lset rowoffsets $row $offs
if {$z ne {}} {
makeuparrow $id $col $row $z
}
} else {
unset idinlist($id)
}
if {[info exists idrowranges($id)]} {
lappend idrowranges($id) $row
}
incr row
set offs [ntimes [llength $idlist] 0]
set l [llength $newolds]
set idlist [eval lreplace \$idlist $col $col $newolds]
set o 0
if {$l != 1} {
set offs [lrange $offs 0 [expr {$col - 1}]]
foreach x $newolds {
lappend offs {}
incr o -1
}
incr o
set tmp [expr {[llength $idlist] - [llength $offs]}]
if {$tmp > 0} {
set offs [concat $offs [ntimes $tmp $o]]
}
} else {
lset offs $col {}
}
foreach i $newolds {
set idinlist($i) 1
set idrowranges($i) $row
}
incr col $l
foreach oid $oldolds {
set idinlist($oid) 1
set idlist [linsert $idlist $col $oid]
set offs [linsert $offs $col $o]
makeuparrow $oid $col $row $o
incr col
}
lappend rowidlist $idlist
lappend rowoffsets $offs
}
return $row
}
proc addextraid {id row} {
global displayorder commitrow commitinfo
global commitidx commitlisted
global parentlist childlist children
incr commitidx
lappend displayorder $id
lappend commitlisted 0
lappend parentlist {}
set commitrow($id) $row
readcommit $id
if {![info exists commitinfo($id)]} {
set commitinfo($id) {"No commit information available"}
}
if {[info exists children($id)]} {
lappend childlist $children($id)
} else {
lappend childlist {}
}
}
proc layouttail {} {
global rowidlist rowoffsets idinlist commitidx
global idrowranges
set row $commitidx
set idlist [lindex $rowidlist $row]
while {$idlist ne {}} {
set col [expr {[llength $idlist] - 1}]
set id [lindex $idlist $col]
addextraid $id $row
unset idinlist($id)
lappend idrowranges($id) $row
incr row
set offs [ntimes $col 0]
set idlist [lreplace $idlist $col $col]
lappend rowidlist $idlist
lappend rowoffsets $offs
}
foreach id [array names idinlist] {
addextraid $id $row
lset rowidlist $row [list $id]
lset rowoffsets $row 0
makeuparrow $id 0 $row 0
lappend idrowranges($id) $row
incr row
lappend rowidlist {}
lappend rowoffsets {}
}
}
proc insert_pad {row col npad} {
global rowidlist rowoffsets
set pad [ntimes $npad {}]
lset rowidlist $row [eval linsert [list [lindex $rowidlist $row]] $col $pad]
set tmp [eval linsert [list [lindex $rowoffsets $row]] $col $pad]
lset rowoffsets $row [incrange $tmp [expr {$col + $npad}] [expr {-$npad}]]
}
proc optimize_rows {row col endrow} {
global rowidlist rowoffsets idrowranges linesegends displayorder
for {} {$row < $endrow} {incr row} {
set idlist [lindex $rowidlist $row]
set offs [lindex $rowoffsets $row]
set haspad 0
for {} {$col < [llength $offs]} {incr col} {
if {[lindex $idlist $col] eq {}} {
set haspad 1
continue
}
set z [lindex $offs $col]
if {$z eq {}} continue
set isarrow 0
set x0 [expr {$col + $z}]
set y0 [expr {$row - 1}]
set z0 [lindex $rowoffsets $y0 $x0]
if {$z0 eq {}} {
set id [lindex $idlist $col]
if {[info exists idrowranges($id)] &&
$y0 > [lindex $idrowranges($id) 0]} {
set isarrow 1
}
}
if {$z < -1 || ($z < 0 && $isarrow)} {
set npad [expr {-1 - $z + $isarrow}]
set offs [incrange $offs $col $npad]
insert_pad $y0 $x0 $npad
if {$y0 > 0} {
optimize_rows $y0 $x0 $row
}
set z [lindex $offs $col]
set x0 [expr {$col + $z}]
set z0 [lindex $rowoffsets $y0 $x0]
} elseif {$z > 1 || ($z > 0 && $isarrow)} {
set npad [expr {$z - 1 + $isarrow}]
set y1 [expr {$row + 1}]
set offs2 [lindex $rowoffsets $y1]
set x1 -1
foreach z $offs2 {
incr x1
if {$z eq {} || $x1 + $z < $col} continue
if {$x1 + $z > $col} {
incr npad
}
lset rowoffsets $y1 [incrange $offs2 $x1 $npad]
break
}
set pad [ntimes $npad {}]
set idlist [eval linsert \$idlist $col $pad]
set tmp [eval linsert \$offs $col $pad]
incr col $npad
set offs [incrange $tmp $col [expr {-$npad}]]
set z [lindex $offs $col]
set haspad 1
}
if {$z0 eq {} && !$isarrow} {
# this line links to its first child on row $row-2
set rm2 [expr {$row - 2}]
set id [lindex $displayorder $rm2]
set xc [lsearch -exact [lindex $rowidlist $rm2] $id]
if {$xc >= 0} {
set z0 [expr {$xc - $x0}]
}
}
if {$z0 ne {} && $z < 0 && $z0 > 0} {
insert_pad $y0 $x0 1
set offs [incrange $offs $col 1]
optimize_rows $y0 [expr {$x0 + 1}] $row
}
}
if {!$haspad} {
set o {}
for {set col [llength $idlist]} {[incr col -1] >= 0} {} {
set o [lindex $offs $col]
if {$o eq {}} {
# check if this is the link to the first child
set id [lindex $idlist $col]
if {[info exists idrowranges($id)] &&
$row == [lindex $idrowranges($id) 0]} {
# it is, work out offset to child
set y0 [expr {$row - 1}]
set id [lindex $displayorder $y0]
set x0 [lsearch -exact [lindex $rowidlist $y0] $id]
if {$x0 >= 0} {
set o [expr {$x0 - $col}]
}
}
}
if {$o eq {} || $o <= 0} break
}
if {$o ne {} && [incr col] < [llength $idlist]} {
set y1 [expr {$row + 1}]
set offs2 [lindex $rowoffsets $y1]
set x1 -1
foreach z $offs2 {
incr x1
if {$z eq {} || $x1 + $z < $col} continue
lset rowoffsets $y1 [incrange $offs2 $x1 1]
break
}
set idlist [linsert $idlist $col {}]
set tmp [linsert $offs $col {}]
incr col
set offs [incrange $tmp $col -1]
}
}
lset rowidlist $row $idlist
lset rowoffsets $row $offs
set col 0
}
}
proc xc {row col} {
global canvx0 linespc
return [expr {$canvx0 + $col * $linespc}]
}
proc yc {row} {
global canvy0 linespc
return [expr {$canvy0 + $row * $linespc}]
}
proc linewidth {id} {
global thickerline lthickness
set wid $lthickness
if {[info exists thickerline] && $id eq $thickerline} {
set wid [expr {2 * $lthickness}]
}
return $wid
}
proc drawlineseg {id i} {
global rowoffsets rowidlist idrowranges
global displayorder
global canv colormap linespc
set startrow [lindex $idrowranges($id) [expr {2 * $i}]]
set row [lindex $idrowranges($id) [expr {2 * $i + 1}]]
if {$startrow == $row} return
assigncolor $id
set coords {}
set col [lsearch -exact [lindex $rowidlist $row] $id]
if {$col < 0} {
puts "oops: drawline: id $id not on row $row"
return
}
set lasto {}
set ns 0
while {1} {
set o [lindex $rowoffsets $row $col]
if {$o eq {}} break
if {$o ne $lasto} {
# changing direction
set x [xc $row $col]
set y [yc $row]
lappend coords $x $y
set lasto $o
}
incr col $o
incr row -1
}
set x [xc $row $col]
set y [yc $row]
lappend coords $x $y
if {$i == 0} {
# draw the link to the first child as part of this line
incr row -1
set child [lindex $displayorder $row]
set ccol [lsearch -exact [lindex $rowidlist $row] $child]
if {$ccol >= 0} {
set x [xc $row $ccol]
set y [yc $row]
if {$ccol < $col - 1} {
lappend coords [xc $row [expr {$col - 1}]] [yc $row]
} elseif {$ccol > $col + 1} {
lappend coords [xc $row [expr {$col + 1}]] [yc $row]
}
lappend coords $x $y
}
}
if {[llength $coords] < 4} return
set last [expr {[llength $idrowranges($id)] / 2 - 1}]
if {$i < $last} {
# This line has an arrow at the lower end: check if the arrow is
# on a diagonal segment, and if so, work around the Tk 8.4
# refusal to draw arrows on diagonal lines.
set x0 [lindex $coords 0]
set x1 [lindex $coords 2]
if {$x0 != $x1} {
set y0 [lindex $coords 1]
set y1 [lindex $coords 3]
if {$y0 - $y1 <= 2 * $linespc && $x1 == [lindex $coords 4]} {
# we have a nearby vertical segment, just trim off the diag bit
set coords [lrange $coords 2 end]
} else {
set slope [expr {($x0 - $x1) / ($y0 - $y1)}]
set xi [expr {$x0 - $slope * $linespc / 2}]
set yi [expr {$y0 - $linespc / 2}]
set coords [lreplace $coords 0 1 $xi $y0 $xi $yi]
}
}
}
set arrow [expr {2 * ($i > 0) + ($i < $last)}]
set arrow [lindex {none first last both} $arrow]
set t [$canv create line $coords -width [linewidth $id] \
-fill $colormap($id) -tags lines.$id -arrow $arrow]
$canv lower $t
bindline $t $id
}
proc drawparentlinks {id row col olds} {
global rowidlist canv colormap idrowranges
set row2 [expr {$row + 1}]
set x [xc $row $col]
set y [yc $row]
set y2 [yc $row2]
set ids [lindex $rowidlist $row2]
# rmx = right-most X coord used
set rmx 0
foreach p $olds {
set i [lsearch -exact $ids $p]
if {$i < 0} {
puts "oops, parent $p of $id not in list"
continue
}
set x2 [xc $row2 $i]
if {$x2 > $rmx} {
set rmx $x2
}
if {[info exists idrowranges($p)] &&
$row2 == [lindex $idrowranges($p) 0] &&
$row2 < [lindex $idrowranges($p) 1]} {
# drawlineseg will do this one for us
continue
}
assigncolor $p
# should handle duplicated parents here...
set coords [list $x $y]
if {$i < $col - 1} {
lappend coords [xc $row [expr {$i + 1}]] $y
} elseif {$i > $col + 1} {
lappend coords [xc $row [expr {$i - 1}]] $y
}
lappend coords $x2 $y2
set t [$canv create line $coords -width [linewidth $p] \
-fill $colormap($p) -tags lines.$p]
$canv lower $t
bindline $t $p
}
return $rmx
}
proc drawlines {id} {
global colormap canv
global idrowranges idrangedrawn
global childlist iddrawn commitrow rowidlist
$canv delete lines.$id
set nr [expr {[llength $idrowranges($id)] / 2}]
for {set i 0} {$i < $nr} {incr i} {
if {[info exists idrangedrawn($id,$i)]} {
drawlineseg $id $i
}
}
foreach child [lindex $childlist $commitrow($id)] {
if {[info exists iddrawn($child)]} {
set row $commitrow($child)
set col [lsearch -exact [lindex $rowidlist $row] $child]
if {$col >= 0} {
drawparentlinks $child $row $col [list $id]
}
}
}
}
proc drawcmittext {id row col rmx} {
global linespc canv canv2 canv3 canvy0
global commitlisted commitinfo rowidlist
global rowtextx idpos idtags idheads idotherrefs
global linehtag linentag linedtag
global mainfont namefont canvxmax
set ofill [expr {[lindex $commitlisted $row]? "blue": "white"}]
set x [xc $row $col]
set y [yc $row]
set orad [expr {$linespc / 3}]
set t [$canv create oval [expr {$x - $orad}] [expr {$y - $orad}] \
[expr {$x + $orad - 1}] [expr {$y + $orad - 1}] \
-fill $ofill -outline black -width 1]
$canv raise $t
$canv bind $t <1> {selcanvline {} %x %y}
set xt [xc $row [llength [lindex $rowidlist $row]]]
if {$xt < $rmx} {
set xt $rmx
}
set rowtextx($row) $xt
set idpos($id) [list $x $xt $y]
if {[info exists idtags($id)] || [info exists idheads($id)]
|| [info exists idotherrefs($id)]} {
set xt [drawtags $id $x $xt $y]
}
set headline [lindex $commitinfo($id) 0]
set name [lindex $commitinfo($id) 1]
set date [lindex $commitinfo($id) 2]
set date [formatdate $date]
set linehtag($row) [$canv create text $xt $y -anchor w \
-text $headline -font $mainfont ]
$canv bind $linehtag($row) <Button-3> "rowmenu %X %Y $id"
set linentag($row) [$canv2 create text 3 $y -anchor w \
-text $name -font $namefont]
set linedtag($row) [$canv3 create text 3 $y -anchor w \
-text $date -font $mainfont]
set xr [expr {$xt + [font measure $mainfont $headline]}]
if {$xr > $canvxmax} {
set canvxmax $xr
setcanvscroll
}
}
proc drawcmitrow {row} {
global displayorder rowidlist
global idrowranges idrangedrawn iddrawn
global commitinfo parentlist numcommits
if {$row >= $numcommits} return
foreach id [lindex $rowidlist $row] {
if {![info exists idrowranges($id)]} continue
set i -1
foreach {s e} $idrowranges($id) {
incr i
if {$row < $s} continue
if {$e eq {}} break
if {$row <= $e} {
if {$e < $numcommits && ![info exists idrangedrawn($id,$i)]} {
drawlineseg $id $i
set idrangedrawn($id,$i) 1
}
break
}
}
}
set id [lindex $displayorder $row]
if {[info exists iddrawn($id)]} return
set col [lsearch -exact [lindex $rowidlist $row] $id]
if {$col < 0} {
puts "oops, row $row id $id not in list"
return
}
if {![info exists commitinfo($id)]} {
getcommit $id
}
assigncolor $id
set olds [lindex $parentlist $row]
if {$olds ne {}} {
set rmx [drawparentlinks $id $row $col $olds]
} else {
set rmx 0
}
drawcmittext $id $row $col $rmx
set iddrawn($id) 1
}
proc drawfrac {f0 f1} {
global numcommits canv
global linespc
set ymax [lindex [$canv cget -scrollregion] 3]
if {$ymax eq {} || $ymax == 0} return
set y0 [expr {int($f0 * $ymax)}]
set row [expr {int(($y0 - 3) / $linespc) - 1}]
if {$row < 0} {
set row 0
}
set y1 [expr {int($f1 * $ymax)}]
set endrow [expr {int(($y1 - 3) / $linespc) + 1}]
if {$endrow >= $numcommits} {
set endrow [expr {$numcommits - 1}]
}
for {} {$row <= $endrow} {incr row} {
drawcmitrow $row
}
}
proc drawvisible {} {
global canv
eval drawfrac [$canv yview]
}
proc clear_display {} {
global iddrawn idrangedrawn
allcanvs delete all
catch {unset iddrawn}
catch {unset idrangedrawn}
}
proc assigncolor {id} {
global colormap colors nextcolor
global commitrow parentlist children childlist
global cornercrossings crossings
if {[info exists colormap($id)]} return
set ncolors [llength $colors]
if {[info exists commitrow($id)]} {
set kids [lindex $childlist $commitrow($id)]
} elseif {[info exists children($id)]} {
set kids $children($id)
} else {
set kids {}
}
if {[llength $kids] == 1} {
set child [lindex $kids 0]
if {[info exists colormap($child)]
&& [llength [lindex $parentlist $commitrow($child)]] == 1} {
set colormap($id) $colormap($child)
return
}
}
set badcolors {}
if {[info exists cornercrossings($id)]} {
foreach x $cornercrossings($id) {
if {[info exists colormap($x)]
&& [lsearch -exact $badcolors $colormap($x)] < 0} {
lappend badcolors $colormap($x)
}
}
if {[llength $badcolors] >= $ncolors} {
set badcolors {}
}
}
set origbad $badcolors
if {[llength $badcolors] < $ncolors - 1} {
if {[info exists crossings($id)]} {
foreach x $crossings($id) {
if {[info exists colormap($x)]
&& [lsearch -exact $badcolors $colormap($x)] < 0} {
lappend badcolors $colormap($x)
}
}
if {[llength $badcolors] >= $ncolors} {
set badcolors $origbad
}
}
set origbad $badcolors
}
if {[llength $badcolors] < $ncolors - 1} {
foreach child $kids {
if {[info exists colormap($child)]
&& [lsearch -exact $badcolors $colormap($child)] < 0} {
lappend badcolors $colormap($child)
}
foreach p [lindex $parentlist $commitrow($child)] {
if {[info exists colormap($p)]
&& [lsearch -exact $badcolors $colormap($p)] < 0} {
lappend badcolors $colormap($p)
}
}
}
if {[llength $badcolors] >= $ncolors} {
set badcolors $origbad
}
}
for {set i 0} {$i <= $ncolors} {incr i} {
set c [lindex $colors $nextcolor]
if {[incr nextcolor] >= $ncolors} {
set nextcolor 0
}
if {[lsearch -exact $badcolors $c]} break
}
set colormap($id) $c
}
proc bindline {t id} {
global canv
$canv bind $t <Enter> "lineenter %x %y $id"
$canv bind $t <Motion> "linemotion %x %y $id"
$canv bind $t <Leave> "lineleave $id"
$canv bind $t <Button-1> "lineclick %x %y $id 1"
}
proc drawtags {id x xt y1} {
global idtags idheads idotherrefs
global linespc lthickness
global canv mainfont commitrow rowtextx
set marks {}
set ntags 0
set nheads 0
if {[info exists idtags($id)]} {
set marks $idtags($id)
set ntags [llength $marks]
}
if {[info exists idheads($id)]} {
set marks [concat $marks $idheads($id)]
set nheads [llength $idheads($id)]
}
if {[info exists idotherrefs($id)]} {
set marks [concat $marks $idotherrefs($id)]
}
if {$marks eq {}} {
return $xt
}
set delta [expr {int(0.5 * ($linespc - $lthickness))}]
set yt [expr {$y1 - 0.5 * $linespc}]
set yb [expr {$yt + $linespc - 1}]
set xvals {}
set wvals {}
foreach tag $marks {
set wid [font measure $mainfont $tag]
lappend xvals $xt
lappend wvals $wid
set xt [expr {$xt + $delta + $wid + $lthickness + $linespc}]
}
set t [$canv create line $x $y1 [lindex $xvals end] $y1 \
-width $lthickness -fill black -tags tag.$id]
$canv lower $t
foreach tag $marks x $xvals wid $wvals {
set xl [expr {$x + $delta}]
set xr [expr {$x + $delta + $wid + $lthickness}]
if {[incr ntags -1] >= 0} {
# draw a tag
set t [$canv create polygon $x [expr {$yt + $delta}] $xl $yt \
$xr $yt $xr $yb $xl $yb $x [expr {$yb - $delta}] \
-width 1 -outline black -fill yellow -tags tag.$id]
$canv bind $t <1> [list showtag $tag 1]
set rowtextx($commitrow($id)) [expr {$xr + $linespc}]
} else {
# draw a head or other ref
if {[incr nheads -1] >= 0} {
set col green
} else {
set col "#ddddff"
}
set xl [expr {$xl - $delta/2}]
$canv create polygon $x $yt $xr $yt $xr $yb $x $yb \
-width 1 -outline black -fill $col -tags tag.$id
}
set t [$canv create text $xl $y1 -anchor w -text $tag \
-font $mainfont -tags tag.$id]
if {$ntags >= 0} {
$canv bind $t <1> [list showtag $tag 1]
}
}
return $xt
}
proc checkcrossings {row endrow} {
global displayorder parentlist rowidlist
for {} {$row < $endrow} {incr row} {
set id [lindex $displayorder $row]
set i [lsearch -exact [lindex $rowidlist $row] $id]
if {$i < 0} continue
set idlist [lindex $rowidlist [expr {$row+1}]]
foreach p [lindex $parentlist $row] {
set j [lsearch -exact $idlist $p]
if {$j > 0} {
if {$j < $i - 1} {
notecrossings $row $p $j $i [expr {$j+1}]
} elseif {$j > $i + 1} {
notecrossings $row $p $i $j [expr {$j-1}]
}
}
}
}
}
proc notecrossings {row id lo hi corner} {
global rowidlist crossings cornercrossings
for {set i $lo} {[incr i] < $hi} {} {
set p [lindex [lindex $rowidlist $row] $i]
if {$p == {}} continue
if {$i == $corner} {
if {![info exists cornercrossings($id)]
|| [lsearch -exact $cornercrossings($id) $p] < 0} {
lappend cornercrossings($id) $p
}
if {![info exists cornercrossings($p)]
|| [lsearch -exact $cornercrossings($p) $id] < 0} {
lappend cornercrossings($p) $id
}
} else {
if {![info exists crossings($id)]
|| [lsearch -exact $crossings($id) $p] < 0} {
lappend crossings($id) $p
}
if {![info exists crossings($p)]
|| [lsearch -exact $crossings($p) $id] < 0} {
lappend crossings($p) $id
}
}
}
}
proc xcoord {i level ln} {
global canvx0 xspc1 xspc2
set x [expr {$canvx0 + $i * $xspc1($ln)}]
if {$i > 0 && $i == $level} {
set x [expr {$x + 0.5 * ($xspc2 - $xspc1($ln))}]
} elseif {$i > $level} {
set x [expr {$x + $xspc2 - $xspc1($ln)}]
}
return $x
}
proc finishcommits {} {
global commitidx phase
global canv mainfont ctext maincursor textcursor
global findinprogress
if {$commitidx > 0} {
drawrest
} else {
$canv delete all
$canv create text 3 3 -anchor nw -text "No commits selected" \
-font $mainfont -tags textitems
}
if {![info exists findinprogress]} {
. config -cursor $maincursor
settextcursor $textcursor
}
set phase {}
}
# Don't change the text pane cursor if it is currently the hand cursor,
# showing that we are over a sha1 ID link.
proc settextcursor {c} {
global ctext curtextcursor
if {[$ctext cget -cursor] == $curtextcursor} {
$ctext config -cursor $c
}
set curtextcursor $c
}
proc drawrest {} {
global numcommits
global startmsecs
global canvy0 numcommits linespc
global rowlaidout commitidx
set row $rowlaidout
layoutrows $rowlaidout $commitidx 1
layouttail
optimize_rows $row 0 $commitidx
showstuff $commitidx
set drawmsecs [expr {[clock clicks -milliseconds] - $startmsecs}]
#puts "overall $drawmsecs ms for $numcommits commits"
}
proc findmatches {f} {
global findtype foundstring foundstrlen
if {$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 $matches
}
proc dofind {} {
global findtype findloc findstring markedmatches commitinfo
global numcommits displayorder linehtag linentag linedtag
global mainfont namefont canv canv2 canv3 selectedline
global matchinglines foundstring foundstrlen matchstring
global commitdata
stopfindproc
unmarkmatches
focus .
set matchinglines {}
if {$findloc == "Pickaxe"} {
findpatches
return
}
if {$findtype == "IgnCase"} {
set foundstring [string tolower $findstring]
} else {
set foundstring $findstring
}
set foundstrlen [string length $findstring]
if {$foundstrlen == 0} return
regsub -all {[*?\[\\]} $foundstring {\\&} matchstring
set matchstring "*$matchstring*"
if {$findloc == "Files"} {
findfiles
return
}
if {![info exists selectedline]} {
set oldsel -1
} else {
set oldsel $selectedline
}
set didsel 0
set fldtypes {Headline Author Date Committer CDate Comment}
set l -1
foreach id $displayorder {
set d $commitdata($id)
incr l
if {$findtype == "Regexp"} {
set doesmatch [regexp $foundstring $d]
} elseif {$findtype == "IgnCase"} {
set doesmatch [string match -nocase $matchstring $d]
} else {
set doesmatch [string match $matchstring $d]
}
if {!$doesmatch} continue
if {![info exists commitinfo($id)]} {
getcommit $id
}
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"} {
drawcmitrow $l
markmatches $canv $l $f $linehtag($l) $matches $mainfont
} elseif {$ty == "Author"} {
drawcmitrow $l
markmatches $canv2 $l $f $linentag($l) $matches $namefont
} elseif {$ty == "Date"} {
drawcmitrow $l
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 $l 1
if {$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 + $end c"
}
}
}
proc findnext {restart} {
global matchinglines selectedline
if {![info exists matchinglines]} {
if {$restart} {
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 $prev
} else {
bell
}
}
proc findlocchange {name ix op} {
global findloc findtype findtypemenu
if {$findloc == "Pickaxe"} {
set findtype Exact
set state disabled
} else {
set state normal
}
$findtypemenu entryconf 1 -state $state
$findtypemenu entryconf 2 -state $state
}
proc stopfindproc {{done 0}} {
global findprocpid findprocfile findids
global ctext findoldcursor phase maincursor textcursor
global findinprogress
catch {unset findids}
if {[info exists findprocpid]} {
if {!$done} {
catch {exec kill $findprocpid}
}
catch {close $findprocfile}
unset findprocpid
}
if {[info exists findinprogress]} {
unset findinprogress
if {$phase != "incrdraw"} {
. config -cursor $maincursor
settextcursor $textcursor
}
}
}
proc findpatches {} {
global findstring selectedline numcommits
global findprocpid findprocfile
global finddidsel ctext displayorder findinprogress
global findinsertpos
if {$numcommits == 0} return
# make a list of all the ids to search, starting at the one
# after the selected line (if any)
if {[info exists selectedline]} {
set l $selectedline
} else {
set l -1
}
set inputids {}
for {set i 0} {$i < $numcommits} {incr i} {
if {[incr l] >= $numcommits} {
set l 0
}
append inputids [lindex $displayorder $l] "\n"
}
if {[catch {
set f [open [list | git-diff-tree --stdin -s -r -S$findstring \
<< $inputids] r]
} err]} {
error_popup "Error starting search process: $err"
return
}
set findinsertpos end
set findprocfile $f
set findprocpid [pid $f]
fconfigure $f -blocking 0
fileevent $f readable readfindproc
set finddidsel 0
. config -cursor watch
settextcursor watch
set findinprogress 1
}
proc readfindproc {} {
global findprocfile finddidsel
global commitrow matchinglines findinsertpos
set n [gets $findprocfile line]
if {$n < 0} {
if {[eof $findprocfile]} {
stopfindproc 1
if {!$finddidsel} {
bell
}
}
return
}
if {![regexp {^[0-9a-f]{40}} $line id]} {
error_popup "Can't parse git-diff-tree output: $line"
stopfindproc
return
}
if {![info exists commitrow($id)]} {
puts stderr "spurious id: $id"
return
}
set l $commitrow($id)
insertmatch $l $id
}
proc insertmatch {l id} {
global matchinglines findinsertpos finddidsel
if {$findinsertpos == "end"} {
if {$matchinglines != {} && $l < [lindex $matchinglines 0]} {
set matchinglines [linsert $matchinglines 0 $l]
set findinsertpos 1
} else {
lappend matchinglines $l
}
} else {
set matchinglines [linsert $matchinglines $findinsertpos $l]
incr findinsertpos
}
markheadline $l $id
if {!$finddidsel} {
findselectline $l
set finddidsel 1
}
}
proc findfiles {} {
global selectedline numcommits displayorder ctext
global ffileline finddidsel parentlist
global findinprogress findstartline findinsertpos
global treediffs fdiffid fdiffsneeded fdiffpos
global findmergefiles
if {$numcommits == 0} return
if {[info exists selectedline]} {
set l [expr {$selectedline + 1}]
} else {
set l 0
}
set ffileline $l
set findstartline $l
set diffsneeded {}
set fdiffsneeded {}
while 1 {
set id [lindex $displayorder $l]
if {$findmergefiles || [llength [lindex $parentlist $l]] == 1} {
if {![info exists treediffs($id)]} {
append diffsneeded "$id\n"
lappend fdiffsneeded $id
}
}
if {[incr l] >= $numcommits} {
set l 0
}
if {$l == $findstartline} break
}
# start off a git-diff-tree process if needed
if {$diffsneeded ne {}} {
if {[catch {
set df [open [list | git-diff-tree -r --stdin << $diffsneeded] r]
} err ]} {
error_popup "Error starting search process: $err"
return
}
catch {unset fdiffid}
set fdiffpos 0
fconfigure $df -blocking 0
fileevent $df readable [list readfilediffs $df]
}
set finddidsel 0
set findinsertpos end
set id [lindex $displayorder $l]
. config -cursor watch
settextcursor watch
set findinprogress 1
findcont
update
}
proc readfilediffs {df} {
global findid fdiffid fdiffs
set n [gets $df line]
if {$n < 0} {
if {[eof $df]} {
donefilediff
if {[catch {close $df} err]} {
stopfindproc
bell
error_popup "Error in git-diff-tree: $err"
} elseif {[info exists findid]} {
set id $findid
stopfindproc
bell
error_popup "Couldn't find diffs for $id"
}
}
return
}
if {[regexp {^([0-9a-f]{40})$} $line match id]} {
# start of a new string of diffs
donefilediff
set fdiffid $id
set fdiffs {}
} elseif {[string match ":*" $line]} {
lappend fdiffs [lindex $line 5]
}
}
proc donefilediff {} {
global fdiffid fdiffs treediffs findid
global fdiffsneeded fdiffpos
if {[info exists fdiffid]} {
while {[lindex $fdiffsneeded $fdiffpos] ne $fdiffid
&& $fdiffpos < [llength $fdiffsneeded]} {
# git-diff-tree doesn't output anything for a commit
# which doesn't change anything
set nullid [lindex $fdiffsneeded $fdiffpos]
set treediffs($nullid) {}
if {[info exists findid] && $nullid eq $findid} {
unset findid
findcont
}
incr fdiffpos
}
incr fdiffpos
if {![info exists treediffs($fdiffid)]} {
set treediffs($fdiffid) $fdiffs
}
if {[info exists findid] && $fdiffid eq $findid} {
unset findid
findcont
}
}
}
proc findcont {} {
global findid treediffs parentlist
global ffileline findstartline finddidsel
global displayorder numcommits matchinglines findinprogress
global findmergefiles
set l $ffileline
while {1} {
set id [lindex $displayorder $l]
if {$findmergefiles || [llength [lindex $parentlist $l]] == 1} {
if {![info exists treediffs($id)]} {
set findid $id
set ffileline $l
return
}
set doesmatch 0
foreach f $treediffs($id) {
set x [findmatches $f]
if {$x != {}} {
set doesmatch 1
break
}
}
if {$doesmatch} {
insertmatch $l $id
}
}
if {[incr l] >= $numcommits} {
set l 0
}
if {$l == $findstartline} break
}
stopfindproc
if {!$finddidsel} {
bell
}
}
# mark a commit as matching by putting a yellow background
# behind the headline
proc markheadline {l id} {
global canv mainfont linehtag
drawcmitrow $l
set bbox [$canv bbox $linehtag($l)]
set t [$canv create rect $bbox -outline {} -tags matches -fill yellow]
$canv lower $t
}
# mark the bits of a headline, author or date that match a find string
proc markmatches {canv l str tag matches font} {
set bbox [$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 $t
}
}
proc unmarkmatches {} {
global matchinglines findids
allcanvs delete matches
catch {unset matchinglines}
catch {unset findids}
}
proc selcanvline {w x y} {
global canv canvy0 ctext linespc
global rowtextx
set ymax [lindex [$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 {$w eq $canv} {
if {![info exists rowtextx($l)] || $x < $rowtextx($l)} return
}
unmarkmatches
selectline $l 1
}
proc commit_descriptor {p} {
global commitinfo
set l "..."
if {[info exists commitinfo($p)]} {
set l [lindex $commitinfo($p) 0]
}
return "$p ($l)"
}
# append some text to the ctext widget, and make any SHA1 ID
# that we know about be a clickable link.
proc appendwithlinks {text} {
global ctext commitrow linknum
set start [$ctext index "end - 1c"]
$ctext insert end $text
$ctext insert end "\n"
set links [regexp -indices -all -inline {[0-9a-f]{40}} $text]
foreach l $links {
set s [lindex $l 0]
set e [lindex $l 1]
set linkid [string range $text $s $e]
if {![info exists commitrow($linkid)]} continue
incr e
$ctext tag add link "$start + $s c" "$start + $e c"
$ctext tag add link$linknum "$start + $s c" "$start + $e c"
$ctext tag bind link$linknum <1> [list selectline $commitrow($linkid) 1]
incr linknum
}
$ctext tag conf link -foreground blue -underline 1
$ctext tag bind link <Enter> { %W configure -cursor hand2 }
$ctext tag bind link <Leave> { %W configure -cursor $curtextcursor }
}
proc viewnextline {dir} {
global canv linespc
$canv delete hover
set ymax [lindex [$canv cget -scrollregion] 3]
set wnow [$canv yview]
set wtop [expr {[lindex $wnow 0] * $ymax}]
set newtop [expr {$wtop + $dir * $linespc}]
if {$newtop < 0} {
set newtop 0
} elseif {$newtop > $ymax} {
set newtop $ymax
}
allcanvs yview moveto [expr {$newtop * 1.0 / $ymax}]
}
proc selectline {l isnew} {
global canv canv2 canv3 ctext commitinfo selectedline
global displayorder linehtag linentag linedtag
global canvy0 linespc parentlist childlist
global cflist currentid sha1entry
global commentend idtags linknum
global mergemax numcommits
$canv delete hover
normalline
if {$l < 0 || $l >= $numcommits} return
set y [expr {$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 / $ymax}]
drawvisible
}
if {![info exists linehtag($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 $t
if {$isnew} {
addtohistory [list selectline $l 0]
}
set selectedline $l
set id [lindex $displayorder $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 linknum 0
$ctext mark set fmark.0 0.0
$ctext mark gravity fmark.0 left
set info $commitinfo($id)
set date [formatdate [lindex $info 2]]
$ctext insert end "Author: [lindex $info 1] $date\n"
set date [formatdate [lindex $info 4]]
$ctext insert end "Committer: [lindex $info 3] $date\n"
if {[info exists idtags($id)]} {
$ctext insert end "Tags:"
foreach tag $idtags($id) {
$ctext insert end " $tag"
}
$ctext insert end "\n"
}
set comment {}
set olds [lindex $parentlist $l]
if {[llength $olds] > 1} {
set np 0
foreach p $olds {
if {$np >= $mergemax} {
set tag mmax
} else {
set tag m$np
}
$ctext insert end "Parent: " $tag
appendwithlinks [commit_descriptor $p]
incr np
}
} else {
foreach p $olds {
append comment "Parent: [commit_descriptor $p]\n"
}
}
foreach c [lindex $childlist $l] {
append comment "Child: [commit_descriptor $c]\n"
}
append comment "\n"
append comment [lindex $info 5]
# make anything that looks like a SHA1 ID be a clickable link
appendwithlinks $comment
$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
$cflist insert end "Comments"
if {[llength $olds] <= 1} {
startdiff $id
} else {
mergediff $id $l
}
}
proc selfirstline {} {
unmarkmatches
selectline 0 1
}
proc sellastline {} {
global numcommits
unmarkmatches
set l [expr {$numcommits - 1}]
selectline $l 1
}
proc selnextline {dir} {
global selectedline
if {![info exists selectedline]} return
set l [expr {$selectedline + $dir}]
unmarkmatches
selectline $l 1
}
proc selnextpage {dir} {
global canv linespc selectedline numcommits
set lpp [expr {([winfo height $canv] - 2) / $linespc}]
if {$lpp < 1} {
set lpp 1
}
allcanvs yview scroll [expr {$dir * $lpp}] units
if {![info exists selectedline]} return
set l [expr {$selectedline + $dir * $lpp}]
if {$l < 0} {
set l 0
} elseif {$l >= $numcommits} {
set l [expr $numcommits - 1]
}
unmarkmatches
selectline $l 1
}
proc unselectline {} {
global selectedline
catch {unset selectedline}
allcanvs delete secsel
}
proc addtohistory {cmd} {
global history historyindex
if {$historyindex > 0
&& [lindex $history [expr {$historyindex - 1}]] == $cmd} {
return
}
if {$historyindex < [llength $history]} {
set history [lreplace $history $historyindex end $cmd]
} else {
lappend history $cmd
}
incr historyindex
if {$historyindex > 1} {
.ctop.top.bar.leftbut conf -state normal
} else {
.ctop.top.bar.leftbut conf -state disabled
}
.ctop.top.bar.rightbut conf -state disabled
}
proc goback {} {
global history historyindex
if {$historyindex > 1} {
incr historyindex -1
set cmd [lindex $history [expr {$historyindex - 1}]]
eval $cmd
.ctop.top.bar.rightbut conf -state normal
}
if {$historyindex <= 1} {
.ctop.top.bar.leftbut conf -state disabled
}
}
proc goforw {} {
global history historyindex
if {$historyindex < [llength $history]} {
set cmd [lindex $history $historyindex]
incr historyindex
eval $cmd
.ctop.top.bar.leftbut conf -state normal
}
if {$historyindex >= [llength $history]} {
.ctop.top.bar.rightbut conf -state disabled
}
}
proc mergediff {id l} {
global diffmergeid diffopts mdifffd
global difffilestart diffids
global parentlist
set diffmergeid $id
set diffids $id
catch {unset difffilestart}
# this doesn't seem to actually affect anything...
set env(GIT_DIFF_OPTS) $diffopts
set cmd [concat | git-diff-tree --no-commit-id --cc $id]
if {[catch {set mdf [open $cmd r]} err]} {
error_popup "Error getting merge diffs: $err"
return
}
fconfigure $mdf -blocking 0
set mdifffd($id) $mdf
set np [llength [lindex $parentlist $l]]
fileevent $mdf readable [list getmergediffline $mdf $id $np]
set nextupdate [expr {[clock clicks -milliseconds] + 100}]
}
proc getmergediffline {mdf id np} {
global diffmergeid ctext cflist nextupdate mergemax
global difffilestart mdifffd
set n [gets $mdf line]
if {$n < 0} {
if {[eof $mdf]} {
close $mdf
}
return
}
if {![info exists diffmergeid] || $id != $diffmergeid
|| $mdf != $mdifffd($id)} {
return
}
$ctext conf -state normal
if {[regexp {^diff --cc (.*)} $line match fname]} {
# start of a new file
$ctext insert end "\n"
set here [$ctext index "end - 1c"]
set i [$cflist index end]
$ctext mark set fmark.$i $here
$ctext mark gravity fmark.$i left
set difffilestart([expr {$i-1}]) $here
$cflist insert end $fname
set l [expr {(78 - [string length $fname]) / 2}]
set pad [string range "----------------------------------------" 1 $l]
$ctext insert end "$pad $fname $pad\n" filesep
} elseif {[regexp {^@@} $line]} {
$ctext insert end "$line\n" hunksep
} elseif {[regexp {^[0-9a-f]{40}$} $line] || [regexp {^index} $line]} {
# do nothing
} else {
# parse the prefix - one ' ', '-' or '+' for each parent
set spaces {}
set minuses {}
set pluses {}
set isbad 0
for {set j 0} {$j < $np} {incr j} {
set c [string range $line $j $j]
if {$c == " "} {
lappend spaces $j
} elseif {$c == "-"} {
lappend minuses $j
} elseif {$c == "+"} {
lappend pluses $j
} else {
set isbad 1
break
}
}
set tags {}
set num {}
if {!$isbad && $minuses ne {} && $pluses eq {}} {
# line doesn't appear in result, parents in $minuses have the line
set num [lindex $minuses 0]
} elseif {!$isbad && $pluses ne {} && $minuses eq {}} {
# line appears in result, parents in $pluses don't have the line
lappend tags mresult
set num [lindex $spaces 0]
}
if {$num ne {}} {
if {$num >= $mergemax} {
set num "max"
}
lappend tags m$num
}
$ctext insert end "$line\n" $tags
}