diff options
Diffstat (limited to 'gitk')
| -rwxr-xr-x | gitk | 7697 |
1 files changed, 7697 insertions, 0 deletions
@@ -0,0 +1,7697 @@ +#!/bin/sh +# Tcl ignores the next line -*- tcl -*- \ +exec wish "$0" -- "$@" + +# Copyright (C) 2005-2006 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 [exec git rev-parse --git-dir] + } +} + +# A simple scheduler for compute-intensive stuff. +# The aim is to make sure that event handlers for GUI actions can +# run at least every 50-100 ms. Unfortunately fileevent handlers are +# run before X event handlers, so reading from a fast source can +# make the GUI completely unresponsive. +proc run args { + global isonrunq runq + + set script $args + if {[info exists isonrunq($script)]} return + if {$runq eq {}} { + after idle dorunq + } + lappend runq [list {} $script] + set isonrunq($script) 1 +} + +proc filerun {fd script} { + fileevent $fd readable [list filereadable $fd $script] +} + +proc filereadable {fd script} { + global runq + + fileevent $fd readable {} + if {$runq eq {}} { + after idle dorunq + } + lappend runq [list $fd $script] +} + +proc dorunq {} { + global isonrunq runq + + set tstart [clock clicks -milliseconds] + set t0 $tstart + while {$runq ne {}} { + set fd [lindex $runq 0 0] + set script [lindex $runq 0 1] + set repeat [eval $script] + set t1 [clock clicks -milliseconds] + set t [expr {$t1 - $t0}] + set runq [lrange $runq 1 end] + if {$repeat ne {} && $repeat} { + if {$fd eq {} || $repeat == 2} { + # script returns 1 if it wants to be readded + # file readers return 2 if they could do more straight away + lappend runq [list $fd $script] + } else { + fileevent $fd readable [list filereadable $fd $script] + } + } elseif {$fd eq {}} { + unset isonrunq($script) + } + set t0 $t1 + if {$t1 - $tstart >= 80} break + } + if {$runq ne {}} { + after idle dorunq + } +} + +# Start off a git rev-list process and arrange to read its output +proc start_rev_list {view} { + global startmsecs + global commfd leftover tclencoding datemode + global viewargs viewfiles commitidx + global lookingforhead showlocalchanges + + set startmsecs [clock clicks -milliseconds] + set commitidx($view) 0 + set order "--topo-order" + if {$datemode} { + set order "--date-order" + } + if {[catch { + set fd [open [concat | git log -z --pretty=raw $order --parents \ + --boundary $viewargs($view) "--" $viewfiles($view)] r] + } err]} { + error_popup "Error executing git rev-list: $err" + exit 1 + } + set commfd($view) $fd + set leftover($view) {} + set lookingforhead $showlocalchanges + fconfigure $fd -blocking 0 -translation lf -eofchar {} + if {$tclencoding != {}} { + fconfigure $fd -encoding $tclencoding + } + filerun $fd [list getcommitlines $fd $view] + nowbusy $view +} + +proc stop_rev_list {} { + global commfd curview + + if {![info exists commfd($curview)]} return + set fd $commfd($curview) + catch { + set pid [pid $fd] + exec kill $pid + } + catch {close $fd} + unset commfd($curview) +} + +proc getcommits {} { + global phase canv mainfont curview + + set phase getcommits + initlayout + start_rev_list $curview + show_status "Reading commits..." +} + +proc getcommitlines {fd view} { + global commitlisted + global leftover commfd + global displayorder commitidx commitrow commitdata + global parentlist children curview hlview + global vparentlist vdisporder vcmitlisted + + set stuff [read $fd 500000] + # git log doesn't terminate the last commit with a null... + if {$stuff == {} && $leftover($view) ne {} && [eof $fd]} { + set stuff "\0" + } + if {$stuff == {}} { + if {![eof $fd]} { + return 1 + } + global viewname + unset commfd($view) + notbusy $view + # set it blocking so we wait for the process to terminate + fconfigure $fd -blocking 1 + if {[catch {close $fd} err]} { + set fv {} + if {$view != $curview} { + set fv " for the \"$viewname($view)\" view" + } + if {[string range $err 0 4] == "usage"} { + set err "Gitk: error reading commits$fv:\ + bad arguments to git rev-list." + if {$viewname($view) eq "Command line"} { + append err \ + " (Note: arguments to gitk are passed to git rev-list\ + to allow selection of commits to be displayed.)" + } + } else { + set err "Error reading commits$fv: $err" + } + error_popup $err + } + if {$view == $curview} { + run chewcommits $view + } + return 0 + } + set start 0 + set gotsome 0 + while 1 { + set i [string first "\0" $stuff $start] + if {$i < 0} { + append leftover($view) [string range $stuff $start end] + break + } + if {$start == 0} { + set cmit $leftover($view) + append cmit [string range $stuff 0 [expr {$i - 1}]] + set leftover($view) {} + } 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 && [string match "commit *" $cmit]} { + set ids [string range $cmit 7 [expr {$j - 1}]] + if {[string match {[-<>]*} $ids]} { + switch -- [string index $ids 0] { + "-" {set listed 0} + "<" {set listed 2} + ">" {set listed 3} + } + 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 $shortcmit 0 80]..." + } + error_popup "Can't parse git log output: {$shortcmit}" + exit 1 + } + set id [lindex $ids 0] + if {$listed} { + set olds [lrange $ids 1 end] + set i 0 + foreach p $olds { + if {$i == 0 || [lsearch -exact $olds $p] >= $i} { + lappend children($view,$p) $id + } + incr i + } + } else { + set olds {} + } + if {![info exists children($view,$id)]} { + set children($view,$id) {} + } + set commitdata($id) [string range $cmit [expr {$j + 1}] end] + set commitrow($view,$id) $commitidx($view) + incr commitidx($view) + if {$view == $curview} { + lappend parentlist $olds + lappend displayorder $id + lappend commitlisted $listed + } else { + lappend vparentlist($view) $olds + lappend vdisporder($view) $id + lappend vcmitlisted($view) $listed + } + set gotsome 1 + } + if {$gotsome} { + run chewcommits $view + } + return 2 +} + +proc chewcommits {view} { + global curview hlview commfd + global selectedline pending_select + + set more 0 + if {$view == $curview} { + set allread [expr {![info exists commfd($view)]}] + set tlimit [expr {[clock clicks -milliseconds] + 50}] + set more [layoutmore $tlimit $allread] + if {$allread && !$more} { + global displayorder commitidx phase + global numcommits startmsecs + + if {[info exists pending_select]} { + set row [first_real_row] + selectline $row 1 + } + if {$commitidx($curview) > 0} { + #set ms [expr {[clock clicks -milliseconds] - $startmsecs}] + #puts "overall $ms ms for $numcommits commits" + } else { + show_status "No commits selected" + } + notbusy layout + set phase {} + } + } + if {[info exists hlview] && $view == $hlview} { + vhighlightmore + } + return $more +} + +proc readcommit {id} { + if {[catch {set contents [exec git cat-file commit $id]}]} return + parsecommit $id $contents 0 +} + +proc updatecommits {} { + global viewdata curview phase displayorder + global children commitrow selectedline thickerline + + if {$phase ne {}} { + stop_rev_list + set phase {} + } + set n $curview + foreach id $displayorder { + catch {unset children($n,$id)} + catch {unset commitrow($n,$id)} + } + set curview -1 + catch {unset selectedline} + catch {unset thickerline} + catch {unset viewdata($n)} + readrefs + changedrefs + regetallcommits + showview $n +} + +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 non-blank line of the comment as the headline + set headline [string trimleft $comment] + set i [string first "\n" $headline] + if {$i >= 0} { + set headline [string range $headline 0 $i] + } + set headline [string trimright $headline] + set i [string first "\r" $headline] + if {$i >= 0} { + set headline [string trimright [string range $headline 0 $i]] + } + if {!$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 tagobjid + global otherrefids idotherrefs mainhead mainheadid + + foreach v {tagids idtags headids idheads otherrefids idotherrefs} { + catch {unset $v} + } + set refd [open [list | git show-ref -d] r] + while {[gets $refd line] >= 0} { + if {[string index $line 40] ne " "} continue + set id [string range $line 0 39] + set ref [string range $line 41 end] + if {![string match "refs/*" $ref]} continue + set name [string range $ref 5 end] + if {[string match "remotes/*" $name]} { + if {![string match "*/HEAD" $name]} { + set headids($name) $id + lappend idheads($id) $name + } + } elseif {[string match "heads/*" $name]} { + set name [string range $name 6 end] + set headids($name) $id + lappend idheads($id) $name + } elseif {[string match "tags/*" $name]} { + # this lets refs/tags/foo^{} overwrite refs/tags/foo, + # which is what we want since the former is the commit ID + set name [string range $name 5 end] + if {[string match "*^{}" $name]} { + set name [string range $name 0 end-3] + } else { + set tagobjid($name) $id + } + set tagids($name) $id + lappend idtags($id) $name + } else { + set otherrefids($name) $id + lappend idotherrefs($id) $name + } + } + close $refd + set mainhead {} + set mainheadid {} + catch { + set thehead [exec git symbolic-ref HEAD] + if {[string match "refs/heads/*" $thehead]} { + set mainhead [string range $thehead 11 end] + if {[info exists headids($mainhead)]} { + set mainheadid $headids($mainhead) + } + } + } +} + +# skip over fake commits +proc first_real_row {} { + global nullid nullid2 displayorder numcommits + + for {set row 0} {$row < $numcommits} {incr row} { + set id [lindex $displayorder $row] + if {$id ne $nullid && $id ne $nullid2} { + break + } + } + return $row +} + +# update things for a head moved to a child of its previous location +proc movehead {id name} { + global headids idheads + + removehead $headids($name) $name + set headids($name) $id + lappend idheads($id) $name +} + +# update things when a head has been removed +proc removehead {id name} { + global headids idheads + + if {$idheads($id) eq $name} { + unset idheads($id) + } else { + set i [lsearch -exact $idheads($id) $name] + if {$i >= 0} { + set idheads($id) [lreplace $idheads($id) $i $i] + } + } + unset headids($name) +} + +proc show_error {w top msg} { + 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 $top" + pack $w.ok -side bottom -fill x + bind $top <Visibility> "grab $top; focus $top" + bind $top <Key-Return> "destroy $top" + tkwait window $top +} + +proc error_popup msg { + set w .error + toplevel $w + wm transient $w . + show_error $w $w $msg +} + +proc confirm_popup msg { + global confirm_ok + set confirm_ok 0 + set w .confirm + 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 "set confirm_ok 1; destroy $w" + pack $w.ok -side left -fill x + button $w.cancel -text Cancel -command "destroy $w" + pack $w.cancel -side right -fill x + bind $w <Visibility> "grab $w; focus $w" + tkwait window $w + return $confirm_ok +} + +proc makewindow {} { + global canv canv2 canv3 linespc charspc ctext cflist + global textfont mainfont uifont tabstop + global findtype findtypemenu findloc findstring fstring geometry + global entries sha1entry sha1string sha1but + global maincursor textcursor curtextcursor + global rowctxmenu fakerowmenu mergemax wrapcomment + global highlight_files gdttype + global searchstring sstring + global bgcolor fgcolor bglist fglist diffcolors selectbgcolor + global headctxmenu + + menu .bar + .bar add cascade -label "File" -menu .bar.file + .bar configure -font $uifont + menu .bar.file + .bar.file add command -label "Update" -command updatecommits + .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.view -font $uifont + .bar add cascade -label "View" -menu .bar.view + .bar.view add command -label "New view..." -command {newview 0} + .bar.view add command -label "Edit view..." -command editview \ + -state disabled + .bar.view add command -label "Delete view" -command delview -state disabled + .bar.view add separator + .bar.view add radiobutton -label "All files" -command {showview 0} \ + -variable selectedview -value 0 + + 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 + + # the gui has upper and lower half, parts of a paned window. + panedwindow .ctop -orient vertical + + # possibly use assumed geometry + if {![info exists geometry(pwsash0)]} { + set geometry(topheight) [expr {15 * $linespc}] + set geometry(topwidth) [expr {80 * $charspc}] + set geometry(botheight) [expr {15 * $linespc}] + set geometry(botwidth) [expr {50 * $charspc}] + set geometry(pwsash0) "[expr {40 * $charspc}] 2" + set geometry(pwsash1) "[expr {60 * $charspc}] 2" + } + + # the upper half will have a paned window, a scroll bar to the right, and some stuff below + frame .tf -height $geometry(topheight) -width $geometry(topwidth) + frame .tf.histframe + panedwindow .tf.histframe.pwclist -orient horizontal -sashpad 0 -handlesize 4 + + # create three canvases + set cscroll .tf.histframe.csb + set canv .tf.histframe.pwclist.canv + canvas $canv \ + -selectbackground $selectbgcolor \ + -background $bgcolor -bd 0 \ + -yscrollincr $linespc -yscrollcommand "scrollcanv $cscroll" + .tf.histframe.pwclist add $canv + set canv2 .tf.histframe.pwclist.canv2 + canvas $canv2 \ + -selectbackground $selectbgcolor \ + -background $bgcolor -bd 0 -yscrollincr $linespc + .tf.histframe.pwclist add $canv2 + set canv3 .tf.histframe.pwclist.canv3 + canvas $canv3 \ + -selectbackground $selectbgcolor \ + -background $bgcolor -bd 0 -yscrollincr $linespc + .tf.histframe.pwclist add $canv3 + eval .tf.histframe.pwclist sash place 0 $geometry(pwsash0) + eval .tf.histframe.pwclist sash place 1 $geometry(pwsash1) + + # a scroll bar to rule them + scrollbar $cscroll -command {allcanvs yview} -highlightthickness 0 + pack $cscroll -side right -fill y + bind .tf.histframe.pwclist <Configure> {resizeclistpanes %W %w} + lappend bglist $canv $canv2 $canv3 + pack .tf.histframe.pwclist -fill both -expand 1 -side left + + # we have two button bars at bottom of top frame. Bar 1 + frame .tf.bar + frame .tf.lbar -height 15 + + set sha1entry .tf.bar.sha1 + set entries $sha1entry + set sha1but .tf.bar.sha1label + button $sha1but -text "SHA1 ID: " -state disabled -relief flat \ + -command gotocommit -width 8 -font $uifont + $sha1but conf -disabledforeground [$sha1but cget -foreground] + pack .tf.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 .tf.bar.leftbut -image bm-left -command goback \ + -state disabled -width 26 + pack .tf.bar.leftbut -side left -fill y + button .tf.bar.rightbut -image bm-right -command goforw \ + -state disabled -width 26 + pack .tf.bar.rightbut -side left -fill y + + button .tf.bar.findbut -text "Find" -command dofind -font $uifont + pack .tf.bar.findbut -side left + set findstring {} + set fstring .tf.bar.findstring + lappend entries $fstring + entry $fstring -width 30 -font $textfont -textvariable findstring + trace add variable findstring write find_change + pack $fstring -side left -expand 1 -fill x -in .tf.bar + set findtype Exact + set findtypemenu [tk_optionMenu .tf.bar.findtype \ + findtype Exact IgnCase Regexp] + trace add variable findtype write find_change + .tf.bar.findtype configure -font $uifont + .tf.bar.findtype.menu configure -font $uifont + set findloc "All fields" + tk_optionMenu .tf.bar.findloc findloc "All fields" Headline \ + Comments Author Committer + trace add variable findloc write find_change + .tf.bar.findloc configure -font $uifont + .tf.bar.findloc.menu configure -font $uifont + pack .tf.bar.findloc -side right + pack .tf.bar.findtype -side right + + # build up the bottom bar of upper window + label .tf.lbar.flabel -text "Highlight: Commits " \ + -font $uifont + pack .tf.lbar.flabel -side left -fill y + set gdttype "touching paths:" + set gm [tk_optionMenu .tf.lbar.gdttype gdttype "touching paths:" \ + "adding/removing string:"] + trace add variable gdttype write hfiles_change + $gm conf -font $uifont + .tf.lbar.gdttype conf -font $uifont + pack .tf.lbar.gdttype -side left -fill y + entry .tf.lbar.fent -width 25 -font $textfont \ + -textvariable highlight_files + trace add variable highlight_files write hfiles_change + lappend entries .tf.lbar.fent + pack .tf.lbar.fent -side left -fill x -expand 1 + label .tf.lbar.vlabel -text " OR in view" -font $uifont + pack .tf.lbar.vlabel -side left -fill y + global viewhlmenu selectedhlview + set viewhlmenu [tk_optionMenu .tf.lbar.vhl selectedhlview None] + $viewhlmenu entryconf None -command delvhighlight + $viewhlmenu conf -font $uifont + .tf.lbar.vhl conf -font $uifont + pack .tf.lbar.vhl -side left -fill y + label .tf.lbar.rlabel -text " OR " -font $uifont + pack .tf.lbar.rlabel -side left -fill y + global highlight_related + set m [tk_optionMenu .tf.lbar.relm highlight_related None \ + "Descendent" "Not descendent" "Ancestor" "Not ancestor"] + $m conf -font $uifont + .tf.lbar.relm conf -font $uifont + trace add variable highlight_related write vrel_change + pack .tf.lbar.relm -side left -fill y + + # Finish putting the upper half of the viewer together + pack .tf.lbar -in .tf -side bottom -fill x + pack .tf.bar -in .tf -side bottom -fill x + pack .tf.histframe -fill both -side top -expand 1 + .ctop add .tf + .ctop paneconfigure .tf -height $geometry(topheight) + .ctop paneconfigure .tf -width $geometry(topwidth) + + # now build up the bottom + panedwindow .pwbottom -orient horizontal + + # lower left, a text box over search bar, scroll bar to the right + # if we know window height, then that will set the lower text height, otherwise + # we set lower text height which will drive window height + if {[info exists geometry(main)]} { + frame .bleft -width $geometry(botwidth) + } else { + frame .bleft -width $geometry(botwidth) -height $geometry(botheight) + } + frame .bleft.top + frame .bleft.mid + + button .bleft.top.search -text "Search" -command dosearch \ + -font $uifont + pack .bleft.top.search -side left -padx 5 + set sstring .bleft.top.sstring + entry $sstring -width 20 -font $textfont -textvariable searchstring + lappend entries $sstring + trace add variable searchstring write incrsearch + pack $sstring -side left -expand 1 -fill x + radiobutton .bleft.mid.diff -text "Diff" \ + -command changediffdisp -variable diffelide -value {0 0} + radiobutton .bleft.mid.old -text "Old version" \ + -command changediffdisp -variable diffelide -value {0 1} + radiobutton .bleft.mid.new -text "New version" \ + -command changediffdisp -variable diffelide -value {1 0} + pack .bleft.mid.diff .bleft.mid.old .bleft.mid.new -side left + set ctext .bleft.ctext + text $ctext -background $bgcolor -foreground $fgcolor \ + -tabs "[expr {$tabstop * $charspc}]" \ + -state disabled -font $textfont \ + -yscrollcommand scrolltext -wrap none + scrollbar .bleft.sb -command "$ctext yview" + pack .bleft.top -side top -fill x + pack .bleft.mid -side top -fill x + pack .bleft.sb -side right -fill y + pack $ctext -side left -fill both -expand 1 + lappend bglist $ctext + lappend fglist $ctext + + $ctext tag conf comment -wrap $wrapcomment + $ctext tag conf filesep -font [concat $textfont bold] -back "#aaaaaa" + $ctext tag conf hunksep -fore [lindex $diffcolors 2] + $ctext tag conf d0 -fore [lindex $diffcolors 0] + $ctext tag conf d1 -fore [lindex $diffcolors 1] + $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 + + .pwbottom add .bleft + .pwbottom paneconfigure .bleft -width $geometry(botwidth) + + # lower right + frame .bright + frame .bright.mode + radiobutton .bright.mode.patch -text "Patch" \ + -command reselectline -variable cmitmode -value "patch" + .bright.mode.patch configure -font $uifont + radiobutton .bright.mode.tree -text "Tree" \ + -command reselectline -variable cmitmode -value "tree" + .bright.mode.tree configure -font $uifont + grid .bright.mode.patch .bright.mode.tree -sticky ew + pack .bright.mode -side top -fill x + set cflist .bright.cfiles + set indent [font measure $mainfont "nn"] + text $cflist \ + -selectbackground $selectbgcolor \ + -background $bgcolor -foreground $fgcolor \ + -font $mainfont \ + -tabs [list $indent [expr {2 * $indent}]] \ + -yscrollcommand ".bright.sb set" \ + -cursor [. cget -cursor] \ + -spacing1 1 -spacing3 1 + lappend bglist $cflist + lappend fglist $cflist + scrollbar .bright.sb -command "$cflist yview" + pack .bright.sb -side right -fill y + pack $cflist -side left -fill both -expand 1 + $cflist tag configure highlight \ + -background [$cflist cget -selectbackground] + $cflist tag configure bold -font [concat $mainfont bold] + + .pwbottom add .bright + .ctop add .pwbottom + + # restore window position if known + if {[info exists geometry(main)]} { + wm geometry . "$geometry(main)" + } + + if {[tk windowingsystem] eq {aqua}} { + set M1B M1 + } else { + set M1B Control + } + + bind .pwbottom <Configure> {resizecdetpanes %W %w} + pack .ctop -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" + bind . <Shift-Key-Up> "next_highlight -1" + bind . <Shift-Key-Down> "next_highlight 1" + bindkey <Key-Right> "goforw" + bindkey <Key-Left> "goback" + bind . <Key-Prior> "selnextpage -1" + bind . <Key-Next> "selnextpage 1" + bind . <$M1B-Home> "allcanvs yview moveto 0.0" + bind . <$M1B-End> "allcanvs yview moveto 1.0" + bind . <$M1B-Key-Up> "allcanvs yview scroll -1 units" + bind . <$M1B-Key-Down> "allcanvs yview scroll 1 units" + bind . <$M1B-Key-Prior> "allcanvs yview scroll -1 pages" + bind . <$M1B-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 + bindkey <F5> updatecommits + bind . <$M1B-q> doquit + bind . <$M1B-f> dofind + bind . <$M1B-g> {findnext 0} + bind . <$M1B-r> dosearchback + bind . <$M1B-s> dosearch + bind . <$M1B-equal> {incrfont 1} + bind . <$M1B-KP_Add> {incrfont 1} + bind . <$M1B-minus> {incrfont -1} + bind . <$M1B-KP_Subtract> {incrfont -1} + wm protocol . WM_DELETE_WINDOW doquit + bind . <Button-1> "click %W" + bind $fstring <Key-Return> dofind + bind $sha1entry <Key-Return> gotocommit + bind $sha1entry <<PasteSelection>> clearsha1 + bind $cflist <1> {sel_flist %W %x %y; break} + bind $cflist <B1-Motion> {sel_flist %W %x %y; break} + bind $cflist <ButtonRelease-1> {treeclick %W %x %y} + + set maincursor [. cget -cursor] + set textcursor [$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 + $rowctxmenu add command -label "Create new branch" -command mkbranch + $rowctxmenu add command -label "Cherry-pick this commit" \ + -command cherrypick + $rowctxmenu add command -label "Reset HEAD branch to here" \ + -command resethead + + set fakerowmenu .fakerowmenu + menu $fakerowmenu -tearoff 0 + $fakerowmenu add command -label "Diff this -> selected" \ + -command {diffvssel 0} + $fakerowmenu add command -label "Diff selected -> this" \ + -command {diffvssel 1} + $fakerowmenu add command -label "Make patch" -command mkpatch +# $fakerowmenu add command -label "Commit" -command {mkcommit 0} +# $fakerowmenu add command -label "Commit all" -command {mkcommit 1} +# $fakerowmenu add command -label "Revert local changes" -command revertlocal + + set headctxmenu .headctxmenu + menu $headctxmenu -tearoff 0 + $headctxmenu add command -label "Check out this branch" \ + -command cobranch + $headctxmenu add command -label "Remove this branch" \ + -command rmbranch +} + +# 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 + flushhighlights +} + +# 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 == $e} return + } + focus . +} + +proc savestuff {w} { + global canv canv2 canv3 ctext cflist mainfont textfont uifont tabstop + global stuffsaved findmergefiles maxgraphpct + global maxwidth showneartags showlocalchanges + global viewname viewfiles viewargs viewperm nextviewnum + global cmitmode wrapcomment + global colors bgcolor fgcolor diffcolors selectbgcolor + + if {$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 tabstop $tabstop] + puts $f [list set findmergefiles $findmergefiles] + puts $f [list set maxgraphpct $maxgraphpct] + puts $f [list set maxwidth $maxwidth] + puts $f [list set cmitmode $cmitmode] + puts $f [list set wrapcomment $wrapcomment] + puts $f [list set showneartags $showneartags] + puts $f [list set showlocalchanges $showlocalchanges] + puts $f [list set bgcolor $bgcolor] + puts $f [list set fgcolor $fgcolor] + puts $f [list set colors $colors] + puts $f [list set diffcolors $diffcolors] + puts $f [list set selectbgcolor $selectbgcolor] + + puts $f "set geometry(main) [wm geometry .]" + puts $f "set geometry(topwidth) [winfo width .tf]" + puts $f "set geometry(topheight) [winfo height .tf]" + puts $f "set geometry(pwsash0) \"[.tf.histframe.pwclist sash coord 0]\"" + puts $f "set geometry(pwsash1) \"[.tf.histframe.pwclist sash coord 1]\"" + puts $f "set geometry(botwidth) [winfo width .bleft]" + puts $f "set geometry(botheight) [winfo height .bleft]" + + puts -nonewline $f "set permviews {" + for {set v 0} {$v < $nextviewnum} {incr v} { + if {$viewperm($v)} { + puts $f "{[list $viewname($v) $viewfiles($v) $viewargs($v)]}" + } + } + puts $f "}" + 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 {} { + global uifont + 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 -border 2 -bg white -relief groove + pack $w.m -side top -fill x -padx 2 -pady 2 + $w.m configure -font $uifont + button $w.ok -text Close -command "destroy $w" -default active + pack $w.ok -side bottom + $w.ok configure -font $uifont + bind $w <Visibility> "focus $w.ok" + bind $w <Key-Escape> "destroy $w" + bind $w <Key-Return> "destroy $w" +} + +proc keys {} { + global uifont + set w .keys + if {[winfo exists $w]} { + raise $w + return + } + if {[tk windowingsystem] eq {aqua}} { + set M1T Cmd + } else { + set M1T Ctrl + } + toplevel $w + wm title $w "Gitk key bindings" + message $w.m -text " +Gitk key bindings: + +<$M1T-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 +<$M1T-Home> Scroll to top of commit list +<$M1T-End> Scroll to bottom of commit list +<$M1T-Up> Scroll commit list up one line +<$M1T-Down> Scroll commit list down one line +<$M1T-PageUp> Scroll commit list up one page +<$M1T-PageDown> Scroll commit list down one page +<Shift-Up> Move to previous highlighted line +<Shift-Down> Move to next highlighted line +<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 +<$M1T-F> Find +<$M1T-G> Move to next 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 +<$M1T-S> Search for next hit in diff view +<$M1T-R> Search for previous hit in diff view +<$M1T-KP+> Increase font size +<$M1T-plus> Increase font size +<$M1T-KP-> Decrease font size +<$M1T-minus> Decrease font size +<F5> Update +" \ + -justify left -bg white -border 2 -relief groove + pack $w.m -side top -fill both -padx 2 -pady 2 + $w.m configure -font $uifont + button $w.ok -text Close -command "destroy $w" -default active + pack $w.ok -side bottom + $w.ok configure -font $uifont + bind $w <Visibility> "focus $w.ok" + bind $w <Key-Escape> "destroy $w" + bind $w <Key-Return> "destroy $w" +} + +# Procedures for manipulating the file list window at the +# bottom right of the overall window. + +proc treeview {w l openlevs} { + global treecontents treediropen treeheight treeparent treeindex + + set ix 0 + set treeindex() 0 + set lev 0 + set prefix {} + set prefixend -1 + set prefendstack {} + set htstack {} + set ht 0 + set treecontents() {} + $w conf -state normal + foreach f $l { + while {[string range $f 0 $prefixend] ne $prefix} { + if {$lev <= $openlevs} { + $w mark set e:$treeindex($prefix) "end -1c" + $w mark gravity e:$treeindex($prefix) left + } + set treeheight($prefix) $ht + incr ht [lindex $htstack end] + set htstack [lreplace $htstack end end] + set prefixend [lindex $prefendstack end] + set prefendstack [lreplace $prefendstack end end] + set prefix [string range $prefix 0 $prefixend] + incr lev -1 + } + set tail [string range $f [expr {$prefixend+1}] end] + while {[set slash [string first "/" $tail]] >= 0} { + lappend htstack $ht + set ht 0 + lappend prefendstack $prefixend + incr prefixend [expr {$slash + 1}] + set d [string range $tail 0 $slash] + lappend treecontents($prefix) $d + set oldprefix $prefix + append prefix $d + set treecontents($prefix) {} + set treeindex($prefix) [incr ix] + set treeparent($prefix) $oldprefix + set tail [string range $tail [expr {$slash+1}] end] + if {$lev <= $openlevs} { + set ht 1 + set treediropen($prefix) [expr {$lev < $openlevs}] + set bm [expr {$lev == $openlevs? "tri-rt": "tri-dn"}] + $w mark set d:$ix "end -1c" + $w mark gravity d:$ix left + set str "\n" + for {set i 0} {$i < $lev} {incr i} {append str "\t"} + $w insert end $str + $w image create end -align center -image $bm -padx 1 \ + -name a:$ix + $w insert end $d [highlight_tag $prefix] + $w mark set s:$ix "end -1c" + $w mark gravity s:$ix left + } + incr lev + } + if {$tail ne {}} { + if {$lev <= $openlevs} { + incr ht + set str "\n" + for {set i 0} {$i < $lev} {incr i} {append str "\t"} + $w insert end $str + $w insert end $tail [highlight_tag $f] + } + lappend treecontents($prefix) $tail + } + } + while {$htstack ne {}} { + set treeheight($prefix) $ht + incr ht [lindex $htstack end] + set htstack [lreplace $htstack end end] + set prefixend [lindex $prefendstack end] + set prefendstack [lreplace $prefendstack end end] + set prefix [string range $prefix 0 $prefixend] + } + $w conf -state disabled +} + +proc linetoelt {l} { + global treeheight treecontents + + set y 2 + set prefix {} + while {1} { + foreach e $treecontents($prefix) { + if {$y == $l} { + return "$prefix$e" + } + set n 1 + if {[string index $e end] eq "/"} { + set n $treeheight($prefix$e) + if {$y + $n > $l} { + append prefix $e + incr y + break + } + } + incr y $n + } + } +} + +proc highlight_tree {y prefix} { + global treeheight treecontents cflist + + foreach e $treecontents($prefix) { + set path $prefix$e + if {[highlight_tag $path] ne {}} { + $cflist tag add bold $y.0 "$y.0 lineend" + } + incr y + if {[string index $e end] eq "/" && $treeheight($path) > 1} { + set y [highlight_tree $y $path] + } + } + return $y +} + +proc treeclosedir {w dir} { + global treediropen treeheight treeparent treeindex + + set ix $treeindex($dir) + $w conf -state normal + $w delete s:$ix e:$ix + set treediropen($dir) 0 + $w image configure a:$ix -image tri-rt + $w conf -state disabled + set n [expr {1 - $treeheight($dir)}] + while {$dir ne {}} { + incr treeheight($dir) $n + set dir $treeparent($dir) + } +} + +proc treeopendir {w dir} { + global treediropen treeheight treeparent treecontents treeindex + + set ix $treeindex($dir) + $w conf -state normal + $w image configure a:$ix -image tri-dn + $w mark set e:$ix s:$ix + $w mark gravity e:$ix right + set lev 0 + set str "\n" + set n [llength $treecontents($dir)] + for {set x $dir} {$x ne {}} {set x $treeparent($x)} { + incr lev + append str "\t" + incr treeheight($x) $n + } + foreach e $treecontents($dir) { + set de $dir$e + if {[string index $e end] eq "/"} { + set iy $treeindex($de) + $w mark set d:$iy e:$ix + $w mark gravity d:$iy left + $w insert e:$ix $str + set treediropen($de) 0 + $w image create e:$ix -align center -image tri-rt -padx 1 \ + -name a:$iy + $w insert e:$ix $e [highlight_tag $de] + $w mark set s:$iy e:$ix + $w mark gravity s:$iy left + set treeheight($de) 1 + } else { + $w insert e:$ix $str + $w insert e:$ix $e [highlight_tag $de] + } + } + $w mark gravity e:$ix left + $w conf -state disabled + set treediropen($dir) 1 + set top [lindex [split [$w index @0,0] .] 0] + set ht [$w cget -height] + set l [lindex [split [$w index s:$ix] .] 0] + if {$l < $top} { + $w yview $l.0 + } elseif {$l + $n + 1 > $top + $ht} { + set top [expr {$l + $n + 2 - $ht}] + if {$l < $top} { + set top $l + } + $w yview $top.0 + } +} + +proc treeclick {w x y} { + global treediropen cmitmode ctext cflist cflist_top + + if {$cmitmode ne "tree"} return + if {![info exists cflist_top]} return + set l [lindex [split [$w index "@$x,$y"] "."] 0] + $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend" + $cflist tag add highlight $l.0 "$l.0 lineend" + set cflist_top $l + if {$l == 1} { + $ctext yview 1.0 + return + } + set e [linetoelt $l] + if {[string index $e end] ne "/"} { + showfile $e + } elseif {$treediropen($e)} { + treeclosedir $w $e + } else { + treeopendir $w $e + } +} + +proc setfilelist {id} { + global treefilelist cflist + + treeview $cflist $treefilelist($id) 0 +} + +image create bitmap tri-rt -background black -foreground blue -data { + #define tri-rt_width 13 + #define tri-rt_height 13 + static unsigned char tri-rt_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x30, 0x00, 0x70, 0x00, 0xf0, 0x00, + 0xf0, 0x01, 0xf0, 0x00, 0x70, 0x00, 0x30, 0x00, 0x10, 0x00, 0x00, 0x00, + 0x00, 0x00}; +} -maskdata { + #define tri-rt-mask_width 13 + #define tri-rt-mask_height 13 + static unsigned char tri-rt-mask_bits[] = { + 0x08, 0x00, 0x18, 0x00, 0x38, 0x00, 0x78, 0x00, 0xf8, 0x00, 0xf8, 0x01, + 0xf8, 0x03, 0xf8, 0x01, 0xf8, 0x00, 0x78, 0x00, 0x38, 0x00, 0x18, 0x00, + 0x08, 0x00}; +} +image create bitmap tri-dn -background black -foreground blue -data { + #define tri-dn_width 13 + #define tri-dn_height 13 + static unsigned char tri-dn_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x07, 0xf8, 0x03, + 0xf0, 0x01, 0xe0, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00}; +} -maskdata { + #define tri-dn-mask_width 13 + #define tri-dn-mask_height 13 + static unsigned char tri-dn-mask_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x1f, 0xfe, 0x0f, 0xfc, 0x07, + 0xf8, 0x03, 0xf0, 0x01, 0xe0, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00}; +} + +proc init_flist {first} { + global cflist cflist_top selectedline difffilestart + + $cflist conf -state normal + $cflist delete 0.0 end + if {$first ne {}} { + $cflist insert end $first + set cflist_top 1 + $cflist tag add highlight 1.0 "1.0 lineend" + } else { + catch {unset cflist_top} + } + $cflist conf -state disabled + set difffilestart {} +} + +proc highlight_tag {f} { + global highlight_paths + + foreach p $highlight_paths { + if {[string match $p $f]} { + return "bold" + } + } + return {} +} + +proc highlight_filelist {} { + global cmitmode cflist + + $cflist conf -state normal + if {$cmitmode ne "tree"} { + set end [lindex [split [$cflist index end] .] 0] + for {set l 2} {$l < $end} {incr l} { + set line [$cflist get $l.0 "$l.0 lineend"] + if {[highlight_tag $line] ne {}} { + $cflist tag add bold $l.0 "$l.0 lineend" + } + } + } else { + highlight_tree 2 {} + } + $cflist conf -state disabled +} + +proc unhighlight_filelist {} { + global cflist + + $cflist conf -state normal + $cflist tag remove bold 1.0 end + $cflist conf -state disabled +} + +proc add_flist {fl} { + global cflist + + $cflist conf -state normal + foreach f $fl { + $cflist insert end "\n" + $cflist insert end $f [highlight_tag $f] + } + $cflist conf -state disabled +} + +proc sel_flist {w x y} { + global ctext difffilestart cflist cflist_top cmitmode + + if {$cmitmode eq "tree"} return + if {![info exists cflist_top]} return + set l [lindex [split [$w index "@$x,$y"] "."] 0] + $cflist tag remove highlight $cflist_top.0 "$cflist_top.0 lineend" + $cflist tag add highlight $l.0 "$l.0 lineend" + set cflist_top $l + if {$l == 1} { + $ctext yview 1.0 + } else { + catch {$ctext yview [lindex $difffilestart [expr {$l - 2}]]} + } +} + +# Functions for adding and removing shell-type quoting + +proc shellquote {str} { + if {![string match "*\['\"\\ \t]*" $str]} { + return $str + } + if {![string match "*\['\"\\]*" $str]} { + return "\"$str\"" + } + if {![string match "*'*" $str]} { + return "'$str'" + } + return "\"[string map {\" \\\" \\ \\\\} $str]\"" +} + +proc shellarglist {l} { + set str {} + foreach a $l { + if {$str ne {}} { + append str " " + } + append str [shellquote $a] + } + return $str +} + +proc shelldequote {str} { + set ret {} + set used -1 + while {1} { + incr used + if {![regexp -start $used -indices "\['\"\\\\ \t]" $str first]} { + append ret [string range $str $used end] + set used [string length $str] + break + } + set first [lindex $first 0] + set ch [string index $str $first] + if {$first > $used} { + append ret [string range $str $used [expr {$first - 1}]] + set used $first + } + if {$ch eq " " || $ch eq "\t"} break + incr used + if {$ch eq "'"} { + set first [string first "'" $str $used] + if {$first < 0} { + error "unmatched single-quote" + } + append ret [string range $str $used [expr {$first - 1}]] + set used $first + continue + } + if {$ch eq "\\"} { + if {$used >= [string length $str]} { + error "trailing backslash" + } + append ret [string index $str $used] + continue + } + # here ch == "\"" + while {1} { + if {![regexp -start $used -indices "\[\"\\\\]" $str first]} { + error "unmatched double-quote" + } + set first [lindex $first 0] + set ch [string index $str $first] + if {$first > $used} { + append ret [string range $str $used [expr {$first - 1}]] + set used $first + } + if {$ch eq "\""} break + incr used + append ret [string index $str $used] + incr used + } + } + return [list $used $ret] +} + +proc shellsplit {str} { + set l {} + while {1} { + set str [string trimleft $str] + if {$str eq {}} break + set dq [shelldequote $str] + set n [lindex $dq 0] + set word [lindex $dq 1] + set str [string range $str $n end] + lappend l $word + } + return $l +} + +# Code to implement multiple views + +proc newview {ishighlight} { + global nextviewnum newviewname newviewperm uifont newishighlight + global newviewargs revtreeargs + + set newishighlight $ishighlight + set top .gitkview + if {[winfo exists $top]} { + raise $top + return + } + set newviewname($nextviewnum) "View $nextviewnum" + set newviewperm($nextviewnum) 0 + set newviewargs($nextviewnum) [shellarglist $revtreeargs] + vieweditor $top $nextviewnum "Gitk view definition" +} + +proc editview {} { + global curview + global viewname viewperm newviewname newviewperm + global viewargs newviewargs + + set top .gitkvedit-$curview + if {[winfo exists $top]} { + raise $top + return + } + set newviewname($curview) $viewname($curview) + set newviewperm($curview) $viewperm($curview) + set newviewargs($curview) [shellarglist $viewargs($curview)] + vieweditor $top $curview "Gitk: edit view $viewname($curview)" +} + +proc vieweditor {top n title} { + global newviewname newviewperm viewfiles + global uifont + + toplevel $top + wm title $top $title + label $top.nl -text "Name" -font $uifont + entry $top.name -width 20 -textvariable newviewname($n) -font $uifont + grid $top.nl $top.name -sticky w -pady 5 + checkbutton $top.perm -text "Remember this view" -variable newviewperm($n) \ + -font $uifont + grid $top.perm - -pady 5 -sticky w + message $top.al -aspect 1000 -font $uifont \ + -text "Commits to include (arguments to git rev-list):" + grid $top.al - -sticky w -pady 5 + entry $top.args -width 50 -textvariable newviewargs($n) \ + -background white -font $uifont + grid $top.args - -sticky ew -padx 5 + message $top.l -aspect 1000 -font $uifont \ + -text "Enter files and directories to include, one per line:" + grid $top.l - -sticky w + text $top.t -width 40 -height 10 -background white -font $uifont + if {[info exists viewfiles($n)]} { + foreach f $viewfiles($n) { + $top.t insert end $f + $top.t insert end "\n" + } + $top.t delete {end - 1c} end + $top.t mark set insert 0.0 + } + grid $top.t - -sticky ew -padx 5 + frame $top.buts + button $top.buts.ok -text "OK" -command [list newviewok $top $n] \ + -font $uifont + button $top.buts.can -text "Cancel" -command [list destroy $top] \ + -font $uifont + grid $top.buts.ok $top.buts.can + grid columnconfigure $top.buts 0 -weight 1 -uniform a + grid columnconfigure $top.buts 1 -weight 1 -uniform a + grid $top.buts - -pady 10 -sticky ew + focus $top.t +} + +proc doviewmenu {m first cmd op argv} { + set nmenu [$m index end] + for {set i $first} {$i <= $nmenu} {incr i} { + if {[$m entrycget $i -command] eq $cmd} { + eval $m $op $i $argv + break + } + } +} + +proc allviewmenus {n op args} { + global viewhlmenu + + doviewmenu .bar.view 5 [list showview $n] $op $args + doviewmenu $viewhlmenu 1 [list addvhighlight $n] $op $args +} + +proc newviewok {top n} { + global nextviewnum newviewperm newviewname newishighlight + global viewname viewfiles viewperm selectedview curview + global viewargs newviewargs viewhlmenu + + if {[catch { + set newargs [shellsplit $newviewargs($n)] + } err]} { + error_popup "Error in commit selection arguments: $err" + wm raise $top + focus $top + return + } + set files {} + foreach f [split [$top.t get 0.0 end] "\n"] { + set ft [string trim $f] + if {$ft ne {}} { + lappend files $ft + } + } + if {![info exists viewfiles($n)]} { + # creating a new view + incr nextviewnum + set viewname($n) $newviewname($n) + set viewperm($n) $newviewperm($n) + set viewfiles($n) $files + set viewargs($n) $newargs + addviewmenu $n + if {!$newishighlight} { + run showview $n + } else { + run addvhighlight $n + } + } else { + # editing an existing view + set viewperm($n) $newviewperm($n) + if {$newviewname($n) ne $viewname($n)} { + set viewname($n) $newviewname($n) + doviewmenu .bar.view 5 [list showview $n] \ + entryconf [list -label $viewname($n)] + doviewmenu $viewhlmenu 1 [list addvhighlight $n] \ + entryconf [list -label $viewname($n) -value $viewname($n)] + } + if {$files ne $viewfiles($n) || $newargs ne $viewargs($n)} { + set viewfiles($n) $files + set viewargs($n) $newargs + if {$curview == $n} { + run updatecommits + } + } + } + catch {destroy $top} +} + +proc delview {} { + global curview viewdata viewperm hlview selectedhlview + + if {$curview == 0} return + if {[info exists hlview] && $hlview == $curview} { + set selectedhlview None + unset hlview + } + allviewmenus $curview delete + set viewdata($curview) {} + set viewperm($curview) 0 + showview 0 +} + +proc addviewmenu {n} { + global viewname viewhlmenu + + .bar.view add radiobutton -label $viewname($n) \ + -command [list showview $n] -variable selectedview -value $n + $viewhlmenu add radiobutton -label $viewname($n) \ + -command [list addvhighlight $n] -variable selectedhlview +} + +proc flatten {var} { + global $var + + set ret {} + foreach i [array names $var] { + lappend ret $i [set $var\($i\)] + } + return $ret +} + +proc unflatten {var l} { + global $var + + catch {unset $var} + foreach {i v} $l { + set $var\($i\) $v + } +} + +proc showview {n} { + global curview viewdata viewfiles + global displayorder parentlist rowidlist rowoffsets + global colormap rowtextx commitrow nextcolor canvxmax + global numcommits rowrangelist commitlisted idrowranges rowchk + global selectedline currentid canv canvy0 + global treediffs + global pending_select phase + global commitidx rowlaidout rowoptim + global commfd + global selectedview selectfirst + global vparentlist vdisporder vcmitlisted + global hlview selectedhlview + + if {$n == $curview} return + set selid {} + if {[info exists selectedline]} { + set selid $currentid + set y [yc $selectedline] + set ymax [lindex [$canv cget -scrollregion] 3] + set span [$canv yview] + set ytop [expr {[lindex $span 0] * $ymax}] + set ybot [expr {[lindex $span 1] * $ymax}] + if {$ytop < $y && $y < $ybot} { + set yscreen [expr {$y - $ytop}] + } else { + set yscreen [expr {($ybot - $ytop) / 2}] + } + } elseif {[info exists pending_select]} { + set selid $pending_select + unset pending_select + } + unselectline + normalline + if {$curview >= 0} { + set vparentlist($curview) $parentlist + set vdisporder($curview) $displayorder + set vcmitlisted($curview) $commitlisted + if {$phase ne {}} { + set viewdata($curview) \ + [list $phase $rowidlist $rowoffsets $rowrangelist \ + [flatten idrowranges] [flatten idinlist] \ + $rowlaidout $rowoptim $numcommits] + } elseif {![info exists viewdata($curview)] + || [lindex $viewdata($curview) 0] ne {}} { + set viewdata($curview) \ + [list {} $rowidlist $rowoffsets $rowrangelist] + } + } + catch {unset treediffs} + clear_display + if {[info exists hlview] && $hlview == $n} { + unset hlview + set selectedhlview None + } + + set curview $n + set selectedview $n + .bar.view entryconf Edit* -state [expr {$n == 0? "disabled": "normal"}] + .bar.view entryconf Delete* -state [expr {$n == 0? "disabled": "normal"}] + + if {![info exists viewdata($n)]} { + if {$selid ne {}} { + set pending_select $selid + } + getcommits + return + } + + set v $viewdata($n) + set phase [lindex $v 0] + set displayorder $vdisporder($n) + set parentlist $vparentlist($n) + set commitlisted $vcmitlisted($n) + set rowidlist [lindex $v 1] + set rowoffsets [lindex $v 2] + set rowrangelist [lindex $v 3] + if {$phase eq {}} { + set numcommits [llength $displayorder] + catch {unset idrowranges} + } else { + unflatten idrowranges [lindex $v 4] + unflatten idinlist [lindex $v 5] + set rowlaidout [lindex $v 6] + set rowoptim [lindex $v 7] + set numcommits [lindex $v 8] + catch {unset rowchk} + } + + catch {unset colormap} + catch {unset rowtextx} + set nextcolor 0 + set canvxmax [$canv cget -width] + set curview $n + set row 0 + setcanvscroll + set yf 0 + set row {} + set selectfirst 0 + if {$selid ne {} && [info exists commitrow($n,$selid)]} { + set row $commitrow($n,$selid) + # try to get the selected row in the same position on the screen + set ymax [lindex [$canv cget -scrollregion] 3] + set ytop [expr {[yc $row] - $yscreen}] + if {$ytop < 0} { + set ytop 0 + } + set yf [expr {$ytop * 1.0 / $ymax}] + } + allcanvs yview moveto $yf + drawvisible + if {$row ne {}} { + selectline $row 0 + } elseif {$selid ne {}} { + set pending_select $selid + } else { + set row [first_real_row] + if {$row < $numcommits} { + selectline $row 0 + } else { + set selectfirst 1 + } + } + if {$phase ne {}} { + if {$phase eq "getcommits"} { + show_status "Reading commits..." + } + run chewcommits $n + } elseif {$numcommits == 0} { + show_status "No commits selected" + } +} + +# Stuff relating to the highlighting facility + +proc ishighlighted {row} { + global vhighlights fhighlights nhighlights rhighlights + + if {[info exists nhighlights($row)] && $nhighlights($row) > 0} { + return $nhighlights($row) + } + if {[info exists vhighlights($row)] && $vhighlights($row) > 0} { + return $vhighlights($row) + } + if {[info exists fhighlights($row)] && $fhighlights($row) > 0} { + return $fhighlights($row) + } + if {[info exists rhighlights($row)] && $rhighlights($row) > 0} { + return $rhighlights($row) + } + return 0 +} + +proc bolden {row font} { + global canv linehtag selectedline boldrows + + lappend boldrows $row + $canv itemconf $linehtag($row) -font $font + if {[info exists selectedline] && $row == $selectedline} { + $canv delete secsel + set t [eval $canv create rect [$canv bbox $linehtag($row)] \ + -outline {{}} -tags secsel \ + -fill [$canv cget -selectbackground]] + $canv lower $t + } +} + +proc bolden_name {row font} { + global canv2 linentag selectedline boldnamerows + + lappend boldnamerows $row + $canv2 itemconf $linentag($row) -font $font + if {[info exists selectedline] && $row == $selectedline} { + $canv2 delete secsel + set t [eval $canv2 create rect [$canv2 bbox $linentag($row)] \ + -outline {{}} -tags secsel \ + -fill [$canv2 cget -selectbackground]] + $canv2 lower $t + } +} + +proc unbolden {} { + global mainfont boldrows + + set stillbold {} + foreach row $boldrows { + if {![ishighlighted $row]} { + bolden $row $mainfont + } else { + lappend stillbold $row + } + } + set boldrows $stillbold +} + +proc addvhighlight {n} { + global hlview curview viewdata vhl_done vhighlights commitidx + + if {[info exists hlview]} { + delvhighlight + } + set hlview $n + if {$n != $curview && ![info exists viewdata($n)]} { + set viewdata($n) [list getcommits {{}} {{}} {} {} {} 0 0 0 {}] + set vparentlist($n) {} + set vdisporder($n) {} + set vcmitlisted($n) {} + start_rev_list $n + } + set vhl_done $commitidx($hlview) + if {$vhl_done > 0} { + drawvisible + } +} + +proc delvhighlight {} { + global hlview vhighlights + + if {![info exists hlview]} return + unset hlview + catch {unset vhighlights} + unbolden +} + +proc vhighlightmore {} { + global hlview vhl_done commitidx vhighlights + global displayorder vdisporder curview mainfont + + set font [concat $mainfont bold] + set max $commitidx($hlview) + if {$hlview == $curview} { + set disp $displayorder + } else { + set disp $vdisporder($hlview) + } + set vr [visiblerows] + set r0 [lindex $vr 0] + set r1 [lindex $vr 1] + for {set i $vhl_done} {$i < $max} {incr i} { + set id [lindex $disp $i] + if {[info exists commitrow($curview,$id)]} { + set row $commitrow($curview,$id) + if {$r0 <= $row && $row <= $r1} { + if {![highlighted $row]} { + bolden $row $font + } + set vhighlights($row) 1 + } + } + } + set vhl_done $max +} + +proc askvhighlight {row id} { + global hlview vhighlights commitrow iddrawn mainfont + + if {[info exists commitrow($hlview,$id)]} { + if {[info exists iddrawn($id)] && ![ishighlighted $row]} { + bolden $row [concat $mainfont bold] + } + set vhighlights($row) 1 + } else { + set vhighlights($row) 0 + } +} + +proc hfiles_change {name ix op} { + global highlight_files filehighlight fhighlights fh_serial + global mainfont highlight_paths + + if {[info exists filehighlight]} { + # delete previous highlights + catch {close $filehighlight} + unset filehighlight + catch {unset fhighlights} + unbolden + unhighlight_filelist + } + set highlight_paths {} + after cancel do_file_hl $fh_serial + incr fh_serial + if {$highlight_files ne {}} { + after 300 do_file_hl $fh_serial + } +} + +proc makepatterns {l} { + set ret {} + foreach e $l { + set ee [string map {"*" "\\*" "?" "\\?" "\[" "\\\[" "\\" "\\\\"} $e] + if {[string index $ee end] eq "/"} { + lappend ret "$ee*" + } else { + lappend ret $ee + lappend ret "$ee/*" + } + } + return $ret +} + +proc do_file_hl {serial} { + global highlight_files filehighlight highlight_paths gdttype fhl_list + + if {$gdttype eq "touching paths:"} { + if {[catch {set paths [shellsplit $highlight_files]}]} return + set highlight_paths [makepatterns $paths] + highlight_filelist + set gdtargs [concat -- $paths] + } else { + set gdtargs [list "-S$highlight_files"] + } + set cmd [concat | git diff-tree -r -s --stdin $gdtargs] + set filehighlight [open $cmd r+] + fconfigure $filehighlight -blocking 0 + filerun $filehighlight readfhighlight + set fhl_list {} + drawvisible + flushhighlights +} + +proc flushhighlights {} { + global filehighlight fhl_list + + if {[info exists filehighlight]} { + lappend fhl_list {} + puts $filehighlight "" + flush $filehighlight + } +} + +proc askfilehighlight {row id} { + global filehighlight fhighlights fhl_list + + lappend fhl_list $id + set fhighlights($row) -1 + puts $filehighlight $id +} + +proc readfhighlight {} { + global filehighlight fhighlights commitrow curview mainfont iddrawn + global fhl_list + + if {![info exists filehighlight]} { + return 0 + } + set nr 0 + while {[incr nr] <= 100 && [gets $filehighlight line] >= 0} { + set line [string trim $line] + set i [lsearch -exact $fhl_list $line] + if {$i < 0} continue + for {set j 0} {$j < $i} {incr j} { + set id [lindex $fhl_list $j] + if {[info exists commitrow($curview,$id)]} { + set fhighlights($commitrow($curview,$id)) 0 + } + } + set fhl_list [lrange $fhl_list [expr {$i+1}] end] + if {$line eq {}} continue + if {![info exists commitrow($curview,$line)]} continue + set row $commitrow($curview,$line) + if {[info exists iddrawn($line)] && ![ishighlighted $row]} { + bolden $row [concat $mainfont bold] + } + set fhighlights($row) 1 + } + if {[eof $filehighlight]} { + # strange... + puts "oops, git diff-tree died" + catch {close $filehighlight} + unset filehighlight + return 0 + } + next_hlcont + return 1 +} + +proc find_change {name ix op} { + global nhighlights mainfont boldnamerows + global findstring findpattern findtype + + # delete previous highlights, if any + foreach row $boldnamerows { + bolden_name $row $mainfont + } + set boldnamerows {} + catch {unset nhighlights} + unbolden + unmarkmatches + if {$findtype ne "Regexp"} { + set e [string map {"*" "\\*" "?" "\\?" "\[" "\\\[" "\\" "\\\\"} \ + $findstring] + set findpattern "*$e*" + } + drawvisible +} + +proc doesmatch {f} { + global findtype findstring findpattern + + if {$findtype eq "Regexp"} { + return [regexp $findstring $f] + } elseif {$findtype eq "IgnCase"} { + return [string match -nocase $findpattern $f] + } else { + return [string match $findpattern $f] + } +} + +proc askfindhighlight {row id} { + global nhighlights commitinfo iddrawn mainfont + global findloc + global markingmatches + + if {![info exists commitinfo($id)]} { + getcommit $id + } + set info $commitinfo($id) + set isbold 0 + set fldtypes {Headline Author Date Committer CDate Comments} + foreach f $info ty $fldtypes { + if {($findloc eq "All fields" || $findloc eq $ty) && + [doesmatch $f]} { + if {$ty eq "Author"} { + set isbold 2 + break + } + set isbold 1 + } + } + if {$isbold && [info exists iddrawn($id)]} { + set f [concat $mainfont bold] + if {![ishighlighted $row]} { + bolden $row $f + if {$isbold > 1} { + bolden_name $row $f + } + } + if {$markingmatches} { + markrowmatches $row $id + } + } + set nhighlights($row) $isbold +} + +proc markrowmatches {row id} { + global canv canv2 linehtag linentag commitinfo findloc + + set headline [lindex $commitinfo($id) 0] + set author [lindex $commitinfo($id) 1] + $canv delete match$row + $canv2 delete match$row + if {$findloc eq "All fields" || $findloc eq "Headline"} { + set m [findmatches $headline] + if {$m ne {}} { + markmatches $canv $row $headline $linehtag($row) $m \ + [$canv itemcget $linehtag($row) -font] $row + } + } + if {$findloc eq "All fields" || $findloc eq "Author"} { + set m [findmatches $author] + if {$m ne {}} { + markmatches $canv2 $row $author $linentag($row) $m \ + [$canv2 itemcget $linentag($row) -font] $row + } + } +} + +proc vrel_change {name ix op} { + global highlight_related + + rhighlight_none + if {$highlight_related ne "None"} { + run drawvisible + } +} + +# prepare for testing whether commits are descendents or ancestors of a +proc rhighlight_sel {a} { + global descendent desc_todo ancestor anc_todo + global highlight_related rhighlights + + catch {unset descendent} + set desc_todo [list $a] + catch {unset ancestor} + set anc_todo [list $a] + if {$highlight_related ne "None"} { + rhighlight_none + run drawvisible + } +} + +proc rhighlight_none {} { + global rhighlights + + catch {unset rhighlights} + unbolden +} + +proc is_descendent {a} { + global curview children commitrow descendent desc_todo + + set v $curview + set la $commitrow($v,$a) + set todo $desc_todo + set leftover {} + set done 0 + for {set i 0} {$i < [llength $todo]} {incr i} { + set do [lindex $todo $i] + if {$commitrow($v,$do) < $la} { + lappend leftover $do + continue + } + foreach nk $children($v,$do) { + if {![info exists descendent($nk)]} { + set descendent($nk) 1 + lappend todo $nk + if {$nk eq $a} { + set done 1 + } + } + } + if {$done} { + set desc_todo [concat $leftover [lrange $todo [expr {$i+1}] end]] + return + } + } + set descendent($a) 0 + set desc_todo $leftover +} + +proc is_ancestor {a} { + global curview parentlist commitrow ancestor anc_todo + + set v $curview + set la $commitrow($v,$a) + set todo $anc_todo + set leftover {} + set done 0 + for {set i 0} {$i < [llength $todo]} {incr i} { + set do [lindex $todo $i] + if {![info exists commitrow($v,$do)] || $commitrow($v,$do) > $la} { + lappend leftover $do + continue + } + foreach np [lindex $parentlist $commitrow($v,$do)] { + if {![info exists ancestor($np)]} { + set ancestor($np) 1 + lappend todo $np + if {$np eq $a} { + set done 1 + } + } + } + if {$done} { + set anc_todo [concat $leftover [lrange $todo [expr {$i+1}] end]] + return + } + } + set ancestor($a) 0 + set anc_todo $leftover +} + +proc askrelhighlight {row id} { + global descendent highlight_related iddrawn mainfont rhighlights + global selectedline ancestor + + if {![info exists selectedline]} return + set isbold 0 + if {$highlight_related eq "Descendent" || + $highlight_related eq "Not descendent"} { + if {![info exists descendent($id)]} { + is_descendent $id + } + if {$descendent($id) == ($highlight_related eq "Descendent")} { + set isbold 1 + } + } elseif {$highlight_related eq "Ancestor" || + $highlight_related eq "Not ancestor"} { + if {![info exists ancestor($id)]} { + is_ancestor $id + } + if {$ancestor($id) == ($highlight_related eq "Ancestor")} { + set isbold 1 + } + } + if {[info exists iddrawn($id)]} { + if {$isbold && ![ishighlighted $row]} { + bolden $row [concat $mainfont bold] + } + } + set rhighlights($row) $isbold +} + +proc next_hlcont {} { + global fhl_row fhl_dirn displayorder numcommits + global vhighlights fhighlights nhighlights rhighlights + global hlview filehighlight findstring highlight_related + + if {![info exists fhl_dirn] || $fhl_dirn == 0} return + set row $fhl_row + while {1} { + if {$row < 0 || $row >= $numcommits} { + bell + set fhl_dirn 0 + return + } + set id [lindex $displayorder $row] + if {[info exists hlview]} { + if {![info exists vhighlights($row)]} { + askvhighlight $row $id + } + if {$vhighlights($row) > 0} break + } + if {$findstring ne {}} { + if {![info exists nhighlights($row)]} { + askfindhighlight $row $id + } + if {$nhighlights($row) > 0} break + } + if {$highlight_related ne "None"} { + if {![info exists rhighlights($row)]} { + askrelhighlight $row $id + } + if {$rhighlights($row) > 0} break + } + if {[info exists filehighlight]} { + if {![info exists fhighlights($row)]} { + # ask for a few more while we're at it... + set r $row + for {set n 0} {$n < 100} {incr n} { + if {![info exists fhighlights($r)]} { + askfilehighlight $r [lindex $displayorder $r] + } + incr r $fhl_dirn + if {$r < 0 || $r >= $numcommits} break + } + flushhighlights + } + if {$fhighlights($row) < 0} { + set fhl_row $row + return + } + if {$fhighlights($row) > 0} break + } + incr row $fhl_dirn + } + set fhl_dirn 0 + selectline $row 1 +} + +proc next_highlight {dirn} { + global selectedline fhl_row fhl_dirn + global hlview filehighlight findstring highlight_related + + if {![info exists selectedline]} return + if {!([info exists hlview] || $findstring ne {} || + $highlight_related ne "None" || [info exists filehighlight])} return + set fhl_row [expr {$selectedline + $dirn}] + set fhl_dirn $dirn + next_hlcont +} + +proc cancel_next_highlight {} { + global fhl_dirn + + set fhl_dirn 0 +} + +# Graph layout functions + +proc shortids {ids} { + set res {} + foreach id $ids { + if {[llength $id] > 1} { + lappend res [shortids $id] + } elseif {[regexp {^[0-9a-f]{40}$} $id]} { + lappend res [string range $id 0 7] + } else { + lappend res $id + } + } + return $res +} + +proc incrange {l x o} { + set n [llength $l] + while {$x < $n} { + set e [lindex $l $x] + if {$e ne {}} { + lset l $x [expr {$e + $o}] + } + incr x + } + return $l +} + +proc ntimes {n o} { + set ret {} + for {} {$n > 0} {incr n -1} { + lappend ret $o + } + return $ret +} + +proc usedinrange {id l1 l2} { + global children commitrow curview + + if {[info exists commitrow($curview,$id)]} { + set r $commitrow($curview,$id) + if {$l1 <= $r && $r <= $l2} { + return [expr {$r - $l1 + 1}] + } + } + set kids $children($curview,$id) + foreach c $kids { + set r $commitrow($curview,$c) + if {$l1 <= $r && $r <= $l2} { + return [expr {$r - $l1 + 1}] + } + } + return 0 +} + +proc sanity {row {full 0}} { + global rowidlist rowoffsets + + set col -1 + set ids [lindex $rowidlist $row] + foreach id $ids { + incr col + if {$id eq {}} continue + if {$col < [llength $ids] - 1 && + [lsearch -exact -start [expr {$col+1}] $ids $id] >= 0} { + puts "oops: [shortids $id] repeated in row $row col $col: {[shortids [lindex $rowidlist $row]]}" + } + set o [lindex $rowoffsets $row $col] + set y $row + set x $col + while {$o ne {}} { + incr y -1 + incr x $o + if {[lindex $rowidlist $y $x] != $id} { + puts "oops: rowoffsets wrong at row [expr {$y+1}] col [expr {$x-$o}]" + puts " id=[shortids $id] check started at row $row" + for {set i $row} {$i >= $y} {incr i -1} { + puts " row $i ids={[shortids [lindex $rowidlist $i]]} offs={[lindex $rowoffsets $i]}" + } + break + } + if {!$full} break + set o [lindex $rowoffsets $y $x] + } + } +} + +proc makeuparrow {oid x y z} { + global rowidlist rowoffsets uparrowlen idrowranges displayorder + + for {set i 1} {$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) [lindex $displayorder $y] +} + +proc initlayout {} { + global rowidlist rowoffsets displayorder commitlisted + global rowlaidout rowoptim + global idinlist rowchk rowrangelist idrowranges + global numcommits canvxmax canv + global nextcolor + global parentlist + global colormap rowtextx + global selectfirst + + set numcommits 0 + set displayorder {} + set commitlisted {} + set parentlist {} + set rowrangelist {} + set nextcolor 0 + set rowidlist {{}} + set rowoffsets {{}} + catch {unset idinlist} + catch {unset rowchk} + set rowlaidout 0 + set rowoptim 0 + set canvxmax [$canv cget -width] + catch {unset colormap} + catch {unset rowtextx} + catch {unset idrowranges} + set selectfirst 1 +} + +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 {tmax allread} { + global rowlaidout rowoptim commitidx numcommits optim_delay + global uparrowlen curview rowidlist idinlist + + set showlast 0 + set showdelay $optim_delay + set optdelay [expr {$uparrowlen + 1}] + while {1} { + if {$rowoptim - $showdelay > $numcommits} { + showstuff [expr {$rowoptim - $showdelay}] $showlast + } elseif {$rowlaidout - $optdelay > $rowoptim} { + set nr [expr {$rowlaidout - $optdelay - $rowoptim}] + if {$nr > 100} { + set nr 100 + } + optimize_rows $rowoptim 0 [expr {$rowoptim + $nr}] + incr rowoptim $nr + } elseif {$commitidx($curview) > $rowlaidout} { + set nr [expr {$commitidx($curview) - $rowlaidout}] + # may need to increase this threshold if uparrowlen or + # mingaplen are increased... + if {$nr > 150} { + set nr 150 + } + set row $rowlaidout + set rowlaidout [layoutrows $row [expr {$row + $nr}] $allread] + if {$rowlaidout == $row} { + return 0 + } + } elseif {$allread} { + set optdelay 0 + set nrows $commitidx($curview) + if {[lindex $rowidlist $nrows] ne {} || + [array names idinlist] ne {}} { + layouttail + set rowlaidout $commitidx($curview) + } elseif {$rowoptim == $nrows} { + set showdelay 0 + set showlast 1 + if {$numcommits == $nrows} { + return 0 + } + } + } else { + return 0 + } + if {$tmax ne {} && [clock clicks -milliseconds] >= $tmax} { + return 1 + } + } +} + +proc showstuff {canshow last} { + global numcommits commitrow pending_select selectedline curview + global lookingforhead mainheadid displayorder selectfirst + global lastscrollset + + if {$numcommits == 0} { + global phase + set phase "incrdraw" + allcanvs delete all + } + set r0 $numcommits + set prev $numcommits + set numcommits $canshow + set t [clock clicks -milliseconds] + if {$prev < 100 || $last || $t - $lastscrollset > 500} { + set lastscrollset $t + setcanvscroll + } + set rows [visiblerows] + set r1 [lindex $rows 1] + if {$r1 >= $canshow} { + set r1 [expr {$canshow - 1}] + } + if {$r0 <= $r1} { + drawcommits $r0 $r1 + } + if {[info exists pending_select] && + [info exists commitrow($curview,$pending_select)] && + $commitrow($curview,$pending_select) < $numcommits} { + selectline $commitrow($curview,$pending_select) 1 + } + if {$selectfirst} { + if {[info exists selectedline] || [info exists pending_select]} { + set selectfirst 0 + } else { + set l [first_real_row] + selectline $l 1 + set selectfirst 0 + } + } + if {$lookingforhead && [info exists commitrow($curview,$mainheadid)] + && ($last || $commitrow($curview,$mainheadid) < $numcommits - 1)} { + set lookingforhead 0 + dodiffindex + } +} + +proc doshowlocalchanges {} { + global lookingforhead curview mainheadid phase commitrow + + if {[info exists commitrow($curview,$mainheadid)] && + ($phase eq {} || $commitrow($curview,$mainheadid) < $numcommits - 1)} { + dodiffindex + } elseif {$phase ne {}} { + set lookingforhead 1 + } +} + +proc dohidelocalchanges {} { + global lookingforhead localfrow localirow lserial + + set lookingforhead 0 + if {$localfrow >= 0} { + removerow $localfrow + set localfrow -1 + if {$localirow > 0} { + incr localirow -1 + } + } + if {$localirow >= 0} { + removerow $localirow + set localirow -1 + } + incr lserial +} + +# spawn off a process to do git diff-index --cached HEAD +proc dodiffindex {} { + global localirow localfrow lserial + + incr lserial + set localfrow -1 + set localirow -1 + set fd [open "|git diff-index --cached HEAD" r] + fconfigure $fd -blocking 0 + filerun $fd [list readdiffindex $fd $lserial] +} + +proc readdiffindex {fd serial} { + global localirow commitrow mainheadid nullid2 curview + global commitinfo commitdata lserial + + set isdiff 1 + if {[gets $fd line] < 0} { + if {![eof $fd]} { + return 1 + } + set isdiff 0 + } + # we only need to see one line and we don't really care what it says... + close $fd + + # now see if there are any local changes not checked in to the index + if {$serial == $lserial} { + set fd [open "|git diff-files" r] + fconfigure $fd -blocking 0 + filerun $fd [list readdifffiles $fd $serial] + } + + if {$isdiff && $serial == $lserial && $localirow == -1} { + # add the line for the changes in the index to the graph + set localirow $commitrow($curview,$mainheadid) + set hl "Local changes checked in to index but not committed" + set commitinfo($nullid2) [list $hl {} {} {} {} " $hl\n"] + set commitdata($nullid2) "\n $hl\n" + insertrow $localirow $nullid2 + } + return 0 +} + +proc readdifffiles {fd serial} { + global localirow localfrow commitrow mainheadid nullid curview + global commitinfo commitdata lserial + + set isdiff 1 + if {[gets $fd line] < 0} { + if {![eof $fd]} { + return 1 + } + set isdiff 0 + } + # we only need to see one line and we don't really care what it says... + close $fd + + if {$isdiff && $serial == $lserial && $localfrow == -1} { + # add the line for the local diff to the graph + if {$localirow >= 0} { + set localfrow $localirow + incr localirow + } else { + set localfrow $commitrow($curview,$mainheadid) + } + set hl "Local uncommitted changes, not checked in to index" + set commitinfo($nullid) [list $hl {} {} {} {} " $hl\n"] + set commitdata($nullid) "\n $hl\n" + insertrow $localfrow $nullid + } + return 0 +} + +proc layoutrows {row endrow last} { + global rowidlist rowoffsets displayorder + global uparrowlen downarrowlen maxwidth mingaplen + global children parentlist + global idrowranges + global commitidx curview + global idinlist rowchk rowrangelist + + set idlist [lindex $rowidlist $row] + set offs [lindex $rowoffsets $row] + while {$row < $endrow} { + set id [lindex $displayorder $row] + set oldolds {} + set newolds {} + foreach p [lindex $parentlist $row] { + if {![info exists idinlist($p)]} { + lappend newolds $p + } elseif {!$idinlist($p)} { + lappend oldolds $p + } + } + set nev [expr {[llength $idlist] + [llength $newolds] + + [llength $oldolds] - $maxwidth + 1}] + if {$nev > 0} { + if {!$last && + $row + $uparrowlen + $mingaplen >= $commitidx($curview)} break + for {set x [llength $idlist]} {[incr x -1] >= 0} {} { + set i [lindex $idlist $x] + if {![info exists rowchk($i)] || $row >= $rowchk($i)} { + set r [usedinrange $i [expr {$row - $downarrowlen}] \ + [expr {$row + $uparrowlen + $mingaplen}]] + if {$r == 0} { + set idlist [lreplace $idlist $x $x] + set offs [lreplace $offs $x $x] + set offs [incrange $offs $x 1] + set idinlist($i) 0 + set rm1 [expr {$row - 1}] + lappend idrowranges($i) [lindex $displayorder $rm1] + if {[incr nev -1] <= 0} break + continue + } + set rowchk($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 $idlist + set z {} + if {$children($curview,$id) ne {}} { + set z [expr {[llength [lindex $rowidlist [expr {$row-1}]]] - $col}] + unset idinlist($id) + } + lappend offs $z + lset rowoffsets $row $offs + if {$z ne {}} { + makeuparrow $id $col $row $z + } + } else { + unset idinlist($id) + } + set ranges {} + if {[info exists idrowranges($id)]} { + set ranges $idrowranges($id) + lappend ranges $id + unset idrowranges($id) + } + lappend rowrangelist $ranges + incr row + set offs [ntimes [llength $idlist] 0] + set l [llength $newolds] + set idlist [eval lreplace \$idlist $col $col $newolds] + set o 0 + if {$l != 1} { + set offs [lrange $offs 0 [expr {$col - 1}]] + foreach x $newolds { + lappend offs {} + incr o -1 + } + incr o + set tmp [expr {[llength $idlist] - [llength $offs]}] + if {$tmp > 0} { + set offs [concat $offs [ntimes $tmp $o]] + } + } else { + lset offs $col {} + } + foreach i $newolds { + set idinlist($i) 1 + set idrowranges($i) $id + } + 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 $row +} + +proc addextraid {id row} { + global displayorder commitrow commitinfo + global commitidx commitlisted + global parentlist children curview + + incr commitidx($curview) + lappend displayorder $id + lappend commitlisted 0 + lappend parentlist {} + set commitrow($curview,$id) $row + readcommit $id + if {![info exists commitinfo($id)]} { + set commitinfo($id) {"No commit information available"} + } + if {![info exists children($curview,$id)]} { + set children($curview,$id) {} + } +} + +proc layouttail {} { + global rowidlist rowoffsets idinlist commitidx curview + global idrowranges rowrangelist + + set row $commitidx($curview) + set idlist [lindex $rowidlist $row] + while {$idlist ne {}} { + set col [expr {[llength $idlist] - 1}] + set id [lindex $idlist $col] + addextraid $id $row + unset idinlist($id) + lappend idrowranges($id) $id + lappend rowrangelist $idrowranges($id) + unset idrowranges($id) + incr row + set offs [ntimes $col 0] + set idlist [lreplace $idlist $col $col] + lappend rowidlist $idlist + lappend rowoffsets $offs + } + + foreach id [array names idinlist] { + unset idinlist($id) + addextraid $id $row + lset rowidlist $row [list $id] + lset rowoffsets $row 0 + makeuparrow $id 0 $row 0 + lappend idrowranges($id) $id + lappend rowrangelist $idrowranges($id) + unset idrowranges($id) + incr row + lappend rowidlist {} + lappend rowoffsets {} + } +} + +proc insert_pad {row col npad} { + global rowidlist rowoffsets + + set pad [ntimes $npad {}] + lset rowidlist $row [eval linsert [list [lindex $rowidlist $row]] $col $pad] + set tmp [eval linsert [list [lindex $rowoffsets $row]] $col $pad] + lset rowoffsets $row [incrange $tmp [expr {$col + $npad}] [expr {-$npad}]] +} + +proc optimize_rows {row col endrow} { + global rowidlist rowoffsets displayorder + + for {} {$row < $endrow} {incr row} { + set idlist [lindex $rowidlist $row] + set offs [lindex $rowoffsets $row] + set haspad 0 + for {} {$col < [llength $offs]} {incr col} { + if {[lindex $idlist $col] eq {}} { + set haspad 1 + continue + } + set z [lindex $offs $col] + if {$z eq {}} continue + set isarrow 0 + set x0 [expr {$col + $z}] + set y0 [expr {$row - 1}] + set z0 [lindex $rowoffsets $y0 $x0] + if {$z0 eq {}} { + set id [lindex $idlist $col] + set ranges [rowranges $id] + if {$ranges ne {} && $y0 > [lindex $ranges 0]} { + set isarrow 1 + } + } + # Looking at lines from this row to the previous row, + # make them go straight up if they end in an arrow on + # the previous row; otherwise make them go straight up + # or at 45 degrees. + if {$z < -1 || ($z < 0 && $isarrow)} { + # Line currently goes left too much; + # insert pads in the previous row, then optimize it + 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 && $isarrow)} { + # Line currently goes right too much; + # insert pads in this line and adjust the next's rowoffsets + set npad [expr {$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 - $x0}] + } + } + # avoid lines jigging left then immediately right + if {$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 {} + # Find the first column that doesn't have a line going right + for {set col [llength $idlist]} {[incr col -1] >= 0} {} { + set o [lindex $offs $col] + if {$o eq {}} { + # check if this is the link to the first child + set id [lindex $idlist $col] + set ranges [rowranges $id] + if {$ranges ne {} && $row == [lindex $ranges 0]} { + # it is, work out offset to child + set y0 [expr {$row - 1}] + set id [lindex $displayorder $y0] + set x0 [lsearch -exact [lindex $rowidlist $y0] $id] + if {$x0 >= 0} { + set o [expr {$x0 - $col}] + } + } + } + if {$o eq {} || $o <= 0} break + } + # Insert a pad at that column as long as it has a line and + # isn't the last column, and adjust the next row' offsets + if {$o ne {} && [incr col] < [llength $idlist]} { + set y1 [expr {$row + 1}] + set offs2 [lindex $rowoffsets $y1] + set x1 -1 + foreach z $offs2 { + incr x1 + if {$z eq {} || $x1 + $z < $col} continue + lset rowoffsets $y1 [incrange $offs2 $x1 1] + break + } + set idlist [linsert $idlist $col {}] + set tmp [linsert $offs $col {}] + incr col + set offs [incrange $tmp $col -1] + } + } + lset rowidlist $row $idlist + lset rowoffsets $row $offs + set col 0 + } +} + +proc xc {row col} { + global canvx0 linespc + return [expr {$canvx0 + $col * $linespc}] +} + +proc yc {row} { + global canvy0 linespc + return [expr {$canvy0 + $row * $linespc}] +} + +proc linewidth {id} { + global thickerline lthickness + + set wid $lthickness + if {[info exists thickerline] && $id eq $thickerline} { + set wid [expr {2 * $lthickness}] + } + return $wid +} + +proc rowranges {id} { + global phase idrowranges commitrow rowlaidout rowrangelist curview + + set ranges {} + if {$phase eq {} || + ([info exists commitrow($curview,$id)] + && $commitrow($curview,$id) < $rowlaidout)} { + set ranges [lindex $rowrangelist $commitrow($curview,$id)] + } elseif {[info exists idrowranges($id)]} { + set ranges $idrowranges($id) + } + set linenos {} + foreach rid $ranges { + lappend linenos $commitrow($curview,$rid) + } + if {$linenos ne {}} { + lset linenos 0 [expr {[lindex $linenos 0] + 1}] + } + return $linenos +} + +# work around tk8.4 refusal to draw arrows on diagonal segments +proc adjarrowhigh {coords} { + global linespc + + 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] + } + } + return $coords +} + +proc drawlineseg {id row endrow arrowlow} { + global rowidlist displayorder iddrawn linesegs + global canv colormap linespc curview maxlinelen + + set cols [list [lsearch -exact [lindex $rowidlist $row] $id]] + set le [expr {$row + 1}] + set arrowhigh 1 + while {1} { + set c [lsearch -exact [lindex $rowidlist $le] $id] + if {$c < 0} { + incr le -1 + break + } + lappend cols $c + set x [lindex $displayorder $le] + if {$x eq $id} { + set arrowhigh 0 + break + } + if {[info exists iddrawn($x)] || $le == $endrow} { + set c [lsearch -exact [lindex $rowidlist [expr {$le+1}]] $id] + if {$c >= 0} { + lappend cols $c + set arrowhigh 0 + } + break + } + incr le + } + if {$le <= $row} { + return $row + } + + set lines {} + set i 0 + set joinhigh 0 + if {[info exists linesegs($id)]} { + set lines $linesegs($id) + foreach li $lines { + set r0 [lindex $li 0] + if {$r0 > $row} { + if {$r0 == $le && [lindex $li 1] - $row <= $maxlinelen} { + set joinhigh 1 + } + break + } + incr i + } + } + set joinlow 0 + if {$i > 0} { + set li [lindex $lines [expr {$i-1}]] + set r1 [lindex $li 1] + if {$r1 == $row && $le - [lindex $li 0] <= $maxlinelen} { + set joinlow 1 + } + } + + set x [lindex $cols [expr {$le - $row}]] + set xp [lindex $cols [expr {$le - 1 - $row}]] + set dir [expr {$xp - $x}] + if {$joinhigh} { + set ith [lindex $lines $i 2] + set coords [$canv coords $ith] + set ah [$canv itemcget $ith -arrow] + set arrowhigh [expr {$ah eq "first" || $ah eq "both"}] + set x2 [lindex $cols [expr {$le + 1 - $row}]] + if {$x2 ne {} && $x - $x2 == $dir} { + set coords [lrange $coords 0 end-2] + } + } else { + set coords [list [xc $le $x] [yc $le]] + } + if {$joinlow} { + set itl [lindex $lines [expr {$i-1}] 2] + set al [$canv itemcget $itl -arrow] + set arrowlow [expr {$al eq "last" || $al eq "both"}] + } elseif {$arrowlow && + [lsearch -exact [lindex $rowidlist [expr {$row-1}]] $id] >= 0} { + set arrowlow 0 + } + set arrow [lindex {none first last both} [expr {$arrowhigh + 2*$arrowlow}]] + for {set y $le} {[incr y -1] > $row} {} { + set x $xp + set xp [lindex $cols [expr {$y - 1 - $row}]] + set ndir [expr {$xp - $x}] + if {$dir != $ndir || $xp < 0} { + lappend coords [xc $y $x] [yc $y] + } + set dir $ndir + } + if {!$joinlow} { + if {$xp < 0} { + # join parent line to first child + set ch [lindex $displayorder $row] + set xc [lsearch -exact [lindex $rowidlist $row] $ch] + if {$xc < 0} { + puts "oops: drawlineseg: child $ch not on row $row" + } else { + if {$xc < $x - 1} { + lappend coords [xc $row [expr {$x-1}]] [yc $row] + } elseif {$xc > $x + 1} { + lappend coords [xc $row [expr {$x+1}]] [yc $row] + } + set x $xc + } + lappend coords [xc $row $x] [yc $row] + } else { + set xn [xc $row $xp] + set yn [yc $row] + # work around tk8.4 refusal to draw arrows on diagonal segments + if {$arrowlow && $xn != [lindex $coords end-1]} { + if {[llength $coords] < 4 || + [lindex $coords end-3] != [lindex $coords end-1] || + [lindex $coords end] - $yn > 2 * $linespc} { + set xn [xc $row [expr {$xp - 0.5 * $dir}]] + set yo [yc [expr {$row + 0.5}]] + lappend coords $xn $yo $xn $yn + } + } else { + lappend coords $xn $yn + } + } + if {!$joinhigh} { + if {$arrowhigh} { + set coords [adjarrowhigh $coords] + } + assigncolor $id + set t [$canv create line $coords -width [linewidth $id] \ + -fill $colormap($id) -tags lines.$id -arrow $arrow] + $canv lower $t + bindline $t $id + set lines [linsert $lines $i [list $row $le $t]] + } else { + $canv coords $ith $coords + if {$arrow ne $ah} { + $canv itemconf $ith -arrow $arrow + } + lset lines $i 0 $row + } + } else { + set xo [lsearch -exact [lindex $rowidlist [expr {$row - 1}]] $id] + set ndir [expr {$xo - $xp}] + set clow [$canv coords $itl] + if {$dir == $ndir} { + set clow [lrange $clow 2 end] + } + set coords [concat $coords $clow] + if {!$joinhigh} { + lset lines [expr {$i-1}] 1 $le + if {$arrowhigh} { + set coords [adjarrowhigh $coords] + } + } else { + # coalesce two pieces + $canv delete $ith + set b [lindex $lines [expr {$i-1}] 0] + set e [lindex $lines $i 1] + set lines [lreplace $lines [expr {$i-1}] $i [list $b $e $itl]] + } + $canv coords $itl $coords + if {$arrow ne $al} { + $canv itemconf $itl -arrow $arrow + } + } + + set linesegs($id) $lines + return $le +} + +proc drawparentlinks {id row} { + global rowidlist canv colormap curview parentlist + global idpos + + set rowids [lindex $rowidlist $row] + set col [lsearch -exact $rowids $id] + if {$col < 0} return + set olds [lindex $parentlist $row] + set row2 [expr {$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 {[lsearch -exact $rowids $p] < 0} { + # 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 $p + } + if {$rmx > [lindex $idpos($id) 1]} { + lset idpos($id) 1 $rmx + redrawtags $id + } +} + +proc drawlines {id} { + global canv + + $canv itemconf lines.$id -width [linewidth $id] +} + +proc drawcmittext {id row col} { + global linespc canv canv2 canv3 canvy0 fgcolor curview + global commitlisted commitinfo rowidlist parentlist + global rowtextx idpos idtags idheads idotherrefs + global linehtag linentag linedtag + global mainfont canvxmax boldrows boldnamerows fgcolor nullid nullid2 + + # listed is 0 for boundary, 1 for normal, 2 for left, 3 for right + set listed [lindex $commitlisted $row] + if {$id eq $nullid} { + set ofill red + } elseif {$id eq $nullid2} { + set ofill green + } else { + set ofill [expr {$listed != 0? "blue": "white"}] + } + set x [xc $row $col] + set y [yc $row] + set orad [expr {$linespc / 3}] + if {$listed <= 1} { + set t [$canv create oval [expr {$x - $orad}] [expr {$y - $orad}] \ + [expr {$x + $orad - 1}] [expr {$y + $orad - 1}] \ + -fill $ofill -outline $fgcolor -width 1 -tags circle] + } elseif {$listed == 2} { + # triangle pointing left for left-side commits + set t [$canv create polygon \ + [expr {$x - $orad}] $y \ + [expr {$x + $orad - 1}] [expr {$y - $orad}] \ + [expr {$x + $orad - 1}] [expr {$y + $orad - 1}] \ + -fill $ofill -outline $fgcolor -width 1 -tags circle] + } else { + # triangle pointing right for right-side commits + set t [$canv create polygon \ + [expr {$x + $orad - 1}] $y \ + [expr {$x - $orad}] [expr {$y - $orad}] \ + [expr {$x - $orad}] [expr {$y + $orad - 1}] \ + -fill $ofill -outline $fgcolor -width 1 -tags circle] + } + $canv raise $t + $canv bind $t <1> {selcanvline {} %x %y} + set rmx [llength [lindex $rowidlist $row]] + set olds [lindex $parentlist $row] + if {$olds ne {}} { + set nextids [lindex $rowidlist [expr {$row + 1}]] + foreach p $olds { + set i [lsearch -exact $nextids $p] + if {$i > $rmx} { + set rmx $i + } + } + } + set xt [xc $row $rmx] + set rowtextx($row) $xt + set idpos($id) [list $x $xt $y] + if {[info exists idtags($id)] || [info exists idheads($id)] + || [info exists idotherrefs($id)]} { + set xt [drawtags $id $x $xt $y] + } + set headline [lindex $commitinfo($id) 0] + set name [lindex $commitinfo($id) 1] + set date [lindex $commitinfo($id) 2] + set date [formatdate $date] + set font $mainfont + set nfont $mainfont + set isbold [ishighlighted $row] + if {$isbold > 0} { + lappend boldrows $row + lappend font bold + if {$isbold > 1} { + lappend boldnamerows $row + lappend nfont bold + } + } + set linehtag($row) [$canv create text $xt $y -anchor w -fill $fgcolor \ + -text $headline -font $font -tags text] + $canv bind $linehtag($row) <Button-3> "rowmenu %X %Y $id" + set linentag($row) [$canv2 create text 3 $y -anchor w -fill $fgcolor \ + -text $name -font $nfont -tags text] + set linedtag($row) [$canv3 create text 3 $y -anchor w -fill $fgcolor \ + -text $date -font $mainfont -tags text] + set xr [expr {$xt + [font measure $mainfont $headline]}] + if {$xr > $canvxmax} { + set canvxmax $xr + setcanvscroll + } +} + +proc drawcmitrow {row} { + global displayorder rowidlist + global iddrawn markingmatches + global commitinfo parentlist numcommits + global filehighlight fhighlights findstring nhighlights + global hlview vhighlights + global highlight_related rhighlights + + if {$row >= $numcommits} return + + set id [lindex $displayorder $row] + if {[info exists hlview] && ![info exists vhighlights($row)]} { + askvhighlight $row $id + } + if {[info exists filehighlight] && ![info exists fhighlights($row)]} { + askfilehighlight $row $id + } + if {$findstring ne {} && ![info exists nhighlights($row)]} { + askfindhighlight $row $id + } + if {$highlight_related ne "None" && ![info exists rhighlights($row)]} { + askrelhighlight $row $id + } + if {![info exists iddrawn($id)]} { + 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 + drawcmittext $id $row $col + set iddrawn($id) 1 + } + if {$markingmatches} { + markrowmatches $row $id + } +} + +proc drawcommits {row {endrow {}}} { + global numcommits iddrawn displayorder curview + global parentlist rowidlist + + if {$row < 0} { + set row 0 + } + if {$endrow eq {}} { + set endrow $row + } + if {$endrow >= $numcommits} { + set endrow [expr {$numcommits - 1}] + } + + # make the lines join to already-drawn rows either side + set r [expr {$row - 1}] + if {$r < 0 || ![info exists iddrawn([lindex $displayorder $r])]} { + set r $row + } + set er [expr {$endrow + 1}] + if {$er >= $numcommits || + ![info exists iddrawn([lindex $displayorder $er])]} { + set er $endrow + } + for {} {$r <= $er} {incr r} { + set id [lindex $displayorder $r] + set wasdrawn [info exists iddrawn($id)] + drawcmitrow $r + if {$r == $er} break + set nextid [lindex $displayorder [expr {$r + 1}]] + if {$wasdrawn && [info exists iddrawn($nextid)]} { + catch {unset prevlines} + continue + } + drawparentlinks $id $r + + if {[info exists lineends($r)]} { + foreach lid $lineends($r) { + unset prevlines($lid) + } + } + set rowids [lindex $rowidlist $r] + foreach lid $rowids { + if {$lid eq {}} continue + if {$lid eq $id} { + # see if this is the first child of any of its parents + foreach p [lindex $parentlist $r] { + if {[lsearch -exact $rowids $p] < 0} { + # make this line extend up to the child + set le [drawlineseg $p $r $er 0] + lappend lineends($le) $p + set prevlines($p) 1 + } + } + } elseif {![info exists prevlines($lid)]} { + set le [drawlineseg $lid $r $er 1] + lappend lineends($le) $lid + set prevlines($lid) 1 + } + } + } +} + +proc drawfrac {f0 f1} { + global canv 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) / $linespc) - 1}] + set y1 [expr {int($f1 * $ymax)}] + set endrow [expr {int(($y1 - 3) / $linespc) + 1}] + drawcommits $row $endrow +} + +proc drawvisible {} { + global canv + eval drawfrac [$canv yview] +} + +proc clear_display {} { + global iddrawn linesegs + global vhighlights fhighlights nhighlights rhighlights + + allcanvs delete all + catch {unset iddrawn} + catch {unset linesegs} + catch {unset vhighlights} + catch {unset fhighlights} + catch {unset nhighlights} + catch {unset rhighlights} +} + +proc findcrossings {id} { + global rowidlist parentlist numcommits rowoffsets displayorder + + set cross {} + set ccross {} + foreach {s e} [rowranges $id] { + if {$e >= $numcommits} { + set e [expr {$numcommits - 1}] + } + if {$e <= $s} continue + set x [lsearch -exact [lindex $rowidlist $e] $id] + if {$x < 0} { + puts "findcrossings: oops, no [shortids $id] in row $e" + continue + } + for {set row $e} {[incr row -1] >= $s} {} { + set olds [lindex $parentlist $row] + set kid [lindex $displayorder $row] + set kidx [lsearch -exact [lindex $rowidlist $row] $kid] + if {$kidx < 0} continue + set nextrow [lindex $rowidlist [expr {$row + 1}]] + foreach p $olds { + set px [lsearch -exact $nextrow $p] + if {$px < 0} continue + if {($kidx < $x && $x < $px) || ($px < $x && $x < $kidx)} { + if {[lsearch -exact $ccross $p] >= 0} continue + if {$x == $px + ($kidx < $px? -1: 1)} { + lappend ccross $p + } elseif {[lsearch -exact $cross $p] < 0} { + lappend cross $p + } + } + } + set inc [lindex $rowoffsets $row $x] + if {$inc eq {}} break + incr x $inc + } + } + return [concat $ccross {{}} $cross] +} + +proc assigncolor {id} { + global colormap colors nextcolor + global commitrow parentlist children children curview + + if {[info exists colormap($id)]} return + set ncolors [llength $colors] + if {[info exists children($curview,$id)]} { + set kids $children($curview,$id) + } else { + set kids {} + } + if {[llength $kids] == 1} { + set child [lindex $kids 0] + if {[info exists colormap($child)] + && [llength [lindex $parentlist $commitrow($curview,$child)]] == 1} { + set colormap($id) $colormap($child) + return + } + } + set badcolors {} + set origbad {} + foreach x [findcrossings $id] { + if {$x eq {}} { + # delimiter between corner crossings and other crossings + if {[llength $badcolors] >= $ncolors - 1} break + set origbad $badcolors + } + if {[info exists colormap($x)] + && [lsearch -exact $badcolors $colormap($x)] < 0} { + lappend badcolors $colormap($x) + } + } + if {[llength $badcolors] >= $ncolors} { + set badcolors $origbad + } + set origbad $badcolors + if {[llength $badcolors] < $ncolors - 1} { + foreach child $kids { + if {[info exists colormap($child)] + && [lsearch -exact $badcolors $colormap($child)] < 0} { + lappend badcolors $colormap($child) + } + foreach p [lindex $parentlist $commitrow($curview,$child)] { + if {[info exists colormap($p)] + && [lsearch -exact $badcolors $colormap($p)] < 0} { + lappend badcolors $colormap($p) + } + } + } + if {[llength $badcolors] >= $ncolors} { + set badcolors $origbad + } + } + for {set i 0} {$i <= $ncolors} {incr i} { + set c [lindex $colors $nextcolor] + if {[incr nextcolor] >= $ncolors} { + set nextcolor 0 + } + if {[lsearch -exact $badcolors $c]} break + } + set colormap($id) $c +} + +proc bindline {t id} { + global canv + + $canv bind $t <Enter> "lineenter %x %y $id" + $canv bind $t <Motion> "linemotion %x %y $id" + $canv bind $t <Leave> "lineleave $id" + $canv bind $t <Button-1> "lineclick %x %y $id 1" +} + +proc drawtags {id x xt y1} { + global idtags idheads idotherrefs mainhead + global linespc lthickness + global canv mainfont commitrow rowtextx curview fgcolor bgcolor + + set marks {} + set ntags 0 + set nheads 0 + if {[info exists idtags($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 {} + set i -1 + foreach tag $marks { + incr i + if {$i >= $ntags && $i < $ntags + $nheads && $tag eq $mainhead} { + set wid [font measure [concat $mainfont bold] $tag] + } else { + 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}] + set font $mainfont + if {[incr ntags -1] >= 0} { + # draw a tag + set t [$canv create polygon $x [expr {$yt + $delta}] $xl $yt \ + $xr $yt $xr $yb $xl $yb $x [expr {$yb - $delta}] \ + -width 1 -outline black -fill yellow -tags tag.$id] + $canv bind $t <1> [list showtag $tag 1] + set rowtextx($commitrow($curview,$id)) [expr {$xr + $linespc}] + } else { + # draw a head or other ref + if {[incr nheads -1] >= 0} { + set col green + if {$tag eq $mainhead} { + lappend font bold + } + } else { + set col "#ddddff" + } + set xl [expr {$xl - $delta/2}] + $canv create polygon $x $yt $xr $yt $xr $yb $x $yb \ + -width 1 -outline black -fill $col -tags tag.$id + if {[regexp {^(remotes/.*/|remotes/)} $tag match remoteprefix]} { + set rwid [font measure $mainfont $remoteprefix] + set xi [expr {$x + 1}] + set yti [expr {$yt + 1}] + set xri [expr {$x + $rwid}] + $canv create polygon $xi $yti $xri $yti $xri $yb $xi $yb \ + -width 0 -fill "#ffddaa" -tags tag.$id + } + } + set t [$canv create text $xl $y1 -anchor w -text $tag -fill $fgcolor \ + -font $font -tags [list tag.$id text]] + if {$ntags >= 0} { + $canv bind $t <1> [list showtag $tag 1] + } elseif {$nheads >= 0} { + $canv bind $t <Button-3> [list headmenu %X %Y $id $tag] + } + } + return $xt +} + +proc xcoord {i level ln} { + global canvx0 xspc1 xspc2 + + set x [expr {$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 show_status {msg} { + global canv mainfont fgcolor + + clear_display + $canv create text 3 3 -anchor nw -text $msg -font $mainfont \ + -tags text -fill $fgcolor +} + +# Insert a new commit as the child of the commit on row $row. +# The new commit will be displayed on row $row and the commits +# on that row and below will move down one row. +proc insertrow {row newcmit} { + global displayorder parentlist commitlisted children + global commitrow curview rowidlist rowoffsets numcommits + global rowrangelist rowlaidout rowoptim numcommits + global selectedline rowchk commitidx + + if {$row >= $numcommits} { + puts "oops, inserting new row $row but only have $numcommits rows" + return + } + set p [lindex $displayorder $row] + set displayorder [linsert $displayorder $row $newcmit] + set parentlist [linsert $parentlist $row $p] + set kids $children($curview,$p) + lappend kids $newcmit + set children($curview,$p) $kids + set children($curview,$newcmit) {} + set commitlisted [linsert $commitlisted $row 1] + set l [llength $displayorder] + for {set r $row} {$r < $l} {incr r} { + set id [lindex $displayorder $r] + set commitrow($curview,$id) $r + } + incr commitidx($curview) + + set idlist [lindex $rowidlist $row] + set offs [lindex $rowoffsets $row] + set newoffs {} + foreach x $idlist { + if {$x eq {} || ($x eq $p && [llength $kids] == 1)} { + lappend newoffs {} + } else { + lappend newoffs 0 + } + } + if {[llength $kids] == 1} { + set col [lsearch -exact $idlist $p] + lset idlist $col $newcmit + } else { + set col [llength $idlist] + lappend idlist $newcmit + lappend offs {} + lset rowoffsets $row $offs + } + set rowidlist [linsert $rowidlist $row $idlist] + set rowoffsets [linsert $rowoffsets [expr {$row+1}] $newoffs] + + set rowrangelist [linsert $rowrangelist $row {}] + if {[llength $kids] > 1} { + set rp1 [expr {$row + 1}] + set ranges [lindex $rowrangelist $rp1] + if {$ranges eq {}} { + set ranges [list $newcmit $p] + } elseif {[lindex $ranges end-1] eq $p} { + lset ranges end-1 $newcmit + } + lset rowrangelist $rp1 $ranges + } + + catch {unset rowchk} + + incr rowlaidout + incr rowoptim + incr numcommits + + if {[info exists selectedline] && $selectedline >= $row} { + incr selectedline + } + redisplay +} + +# Remove a commit that was inserted with insertrow on row $row. +proc removerow {row} { + global displayorder parentlist commitlisted children + global commitrow curview rowidlist rowoffsets numcommits + global rowrangelist idrowranges rowlaidout rowoptim numcommits + global linesegends selectedline rowchk commitidx + + if {$row >= $numcommits} { + puts "oops, removing row $row but only have $numcommits rows" + return + } + set rp1 [expr {$row + 1}] + set id [lindex $displayorder $row] + set p [lindex $parentlist $row] + set displayorder [lreplace $displayorder $row $row] + set parentlist [lreplace $parentlist $row $row] + set commitlisted [lreplace $commitlisted $row $row] + set kids $children($curview,$p) + set i [lsearch -exact $kids $id] + if {$i >= 0} { + set kids [lreplace $kids $i $i] + set children($curview,$p) $kids + } + set l [llength $displayorder] + for {set r $row} {$r < $l} {incr r} { + set id [lindex $displayorder $r] + set commitrow($curview,$id) $r + } + incr commitidx($curview) -1 + + set rowidlist [lreplace $rowidlist $row $row] + set rowoffsets [lreplace $rowoffsets $rp1 $rp1] + if {$kids ne {}} { + set offs [lindex $rowoffsets $row] + set offs [lreplace $offs end end] + lset rowoffsets $row $offs + } + + set rowrangelist [lreplace $rowrangelist $row $row] + if {[llength $kids] > 0} { + set ranges [lindex $rowrangelist $row] + if {[lindex $ranges end-1] eq $id} { + set ranges [lreplace $ranges end-1 end] + lset rowrangelist $row $ranges + } + } + + catch {unset rowchk} + + incr rowlaidout -1 + incr rowoptim -1 + incr numcommits -1 + + if {[info exists selectedline] && $selectedline > $row} { + incr selectedline -1 + } + redisplay +} + +# Don't change the text pane cursor if it is currently the hand cursor, +# showing that we are over a sha1 ID link. +proc settextcursor {c} { + global ctext curtextcursor + + if {[$ctext cget -cursor] == $curtextcursor} { + $ctext config -cursor $c + } + set curtextcursor $c +} + +proc nowbusy {what} { + global isbusy + + if {[array names isbusy] eq {}} { + . config -cursor watch + settextcursor watch + } + set isbusy($what) 1 +} + +proc notbusy {what} { + global isbusy maincursor textcursor + + catch {unset isbusy($what)} + if {[array names isbusy] eq {}} { + . config -cursor $maincursor + settextcursor $textcursor + } +} + +proc findmatches {f} { + global findtype findstring + if {$findtype == "Regexp"} { + set matches [regexp -indices -all -inline $findstring $f] + } else { + set fs $findstring + if {$findtype == "IgnCase"} { + set f [string tolower $f] + set fs [string tolower $fs] + } + set matches {} + set i 0 + set l [string length $fs] + while {[set j [string first $fs $f $i]] >= 0} { + lappend matches [list $j [expr {$j+$l-1}]] + set i [expr {$j + $l}] + } + } + return $matches +} + +proc dofind {{rev 0}} { + global findstring findstartline findcurline selectedline numcommits + + unmarkmatches + cancel_next_highlight + focus . + if {$findstring eq {} || $numcommits == 0} return + if {![info exists selectedline]} { + set findstartline [lindex [visiblerows] $rev] + } else { + set findstartline $selectedline + } + set findcurline $findstartline + nowbusy finding + if {!$rev} { + run findmore + } else { + if {$findcurline == 0} { + set findcurline $numcommits + } + incr findcurline -1 + run findmorerev + } +} + +proc findnext {restart} { + global findcurline + if {![info exists findcurline]} { + if {$restart} { + dofind + } else { + bell + } + } else { + run findmore + nowbusy finding + } +} + +proc findprev {} { + global findcurline + if {![info exists findcurline]} { + dofind 1 + } else { + run findmorerev + nowbusy finding + } +} + +proc findmore {} { + global commitdata commitinfo numcommits findstring findpattern findloc + global findstartline findcurline displayorder + + set fldtypes {Headline Author Date Committer CDate Comments} + set l [expr {$findcurline + 1}] + if {$l >= $numcommits} { + set l 0 + } + if {$l <= $findstartline} { + set lim [expr {$findstartline + 1}] + } else { + set lim $numcommits + } + if {$lim - $l > 500} { + set lim [expr {$l + 500}] + } + set last 0 + for {} {$l < $lim} {incr l} { + set id [lindex $displayorder $l] + # shouldn't happen unless git log doesn't give all the commits... + if {![info exists commitdata($id)]} continue + if {![doesmatch $commitdata($id)]} continue + if {![info exists commitinfo($id)]} { + getcommit $id + } + set info $commitinfo($id) + foreach f $info ty $fldtypes { + if {($findloc eq "All fields" || $findloc eq $ty) && + [doesmatch $f]} { + findselectline $l + notbusy finding + return 0 + } + } + } + if {$l == $findstartline + 1} { + bell + unset findcurline + notbusy finding + return 0 + } + set findcurline [expr {$l - 1}] + return 1 +} + +proc findmorerev {} { + global commitdata commitinfo numcommits findstring findpattern findloc + global findstartline findcurline displayorder + + set fldtypes {Headline Author Date Committer CDate Comments} + set l $findcurline + if {$l == 0} { + set l $numcommits + } + incr l -1 + if {$l >= $findstartline} { + set lim [expr {$findstartline - 1}] + } else { + set lim -1 + } + if {$l - $lim > 500} { + set lim [expr {$l - 500}] + } + set last 0 + for {} {$l > $lim} {incr l -1} { + set id [lindex $displayorder $l] + if {![doesmatch $commitdata($id)]} continue + if {![info exists commitinfo($id)]} { + getcommit $id + } + set info $commitinfo($id) + foreach f $info ty $fldtypes { + if {($findloc eq "All fields" || $findloc eq $ty) && + [doesmatch $f]} { + findselectline $l + notbusy finding + return 0 + } + } + } + if {$l == -1} { + bell + unset findcurline + notbusy finding + return 0 + } + set findcurline [expr {$l + 1}] + return 1 +} + +proc findselectline {l} { + global findloc commentend ctext findcurline markingmatches + + set markingmatches 1 + set findcurline $l + 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 + $end c" + } + } + drawvisible +} + +# mark the bits of a headline or author that match a find string +proc markmatches {canv l str tag matches font row} { + global selectedline + + set bbox [$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}] $y1 \ + -outline {} -tags [list match$l matches] -fill yellow] + $canv lower $t + if {[info exists selectedline] && $row == $selectedline} { + $canv raise $t secsel + } + } +} + +proc unmarkmatches {} { + global findids markingmatches findcurline + + allcanvs delete matches + catch {unset findids} + set markingmatches 0 + catch {unset findcurline} +} + +proc selcanvline {w x y} { + global canv canvy0 ctext linespc + global rowtextx + set ymax [lindex [$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 $l 1 +} + +proc commit_descriptor {p} { + global commitinfo + if {![info exists commitinfo($p)]} { + getcommit $p + } + set l "..." + if {[llength $commitinfo($p)] > 1} { + set l [lindex $commitinfo($p) 0] + } + return "$p ($l)\n" +} + +# append some text to the ctext widget, and make any SHA1 ID +# that we know about be a clickable link. +proc appendwithlinks {text tags} { + global ctext commitrow linknum curview + + set start [$ctext index "end - 1c"] + $ctext insert end $text $tags + 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 $e] + if {![info exists commitrow($curview,$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 $commitrow($curview,$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}] +} + +# add a list of tag or branch names at position pos +# returns the number of names inserted +proc appendrefs {pos ids var} { + global ctext commitrow linknum curview $var maxrefs + + if {[catch {$ctext index $pos}]} { + return 0 + } + $ctext conf -state normal + $ctext delete $pos "$pos lineend" + set tags {} + foreach id $ids { + foreach tag [set $var\($id\)] { + lappend tags [list $tag $id] + } + } + if {[llength $tags] > $maxrefs} { + $ctext insert $pos "many ([llength $tags])" + } else { + set tags [lsort -index 0 -decreasing $tags] + set sep {} + foreach ti $tags { + set id [lindex $ti 1] + set lk link$linknum + incr linknum + $ctext tag delete $lk + $ctext insert $pos $sep + $ctext insert $pos [lindex $ti 0] $lk + if {[info exists commitrow($curview,$id)]} { + $ctext tag conf $lk -foreground blue + $ctext tag bind $lk <1> \ + [list selectline $commitrow($curview,$id) 1] + $ctext tag conf $lk -underline 1 + $ctext tag bind $lk <Enter> { %W configure -cursor hand2 } + $ctext tag bind $lk <Leave> \ + { %W configure -cursor $curtextcursor } + } + set sep ", " + } + } + $ctext conf -state disabled + return [llength $tags] +} + +# called when we have finished computing the nearby tags +proc dispneartags {delay} { + global selectedline currentid showneartags tagphase + + if {![info exists selectedline] || !$showneartags} return + after cancel dispnexttag + if {$delay} { + after 200 dispnexttag + set tagphase -1 + } else { + after idle dispnexttag + set tagphase 0 + } +} + +proc dispnexttag {} { + global selectedline currentid showneartags tagphase ctext + + if {![info exists selectedline] || !$showneartags} return + switch -- $tagphase { + 0 { + set dtags [desctags $currentid] + if {$dtags ne {}} { + appendrefs precedes $dtags idtags + } + } + 1 { + set atags [anctags $currentid] + if {$atags ne {}} { + appendrefs follows $atags idtags + } + } + 2 { + set dheads [descheads $currentid] + if {$dheads ne {}} { + if {[appendrefs branch $dheads idheads] > 1 + && [$ctext get "branch -3c"] eq "h"} { + # turn "Branch" into "Branches" + $ctext conf -state normal + $ctext insert "branch -2c" "es" + $ctext conf -state disabled + } + } + } + } + if {[incr tagphase] <= 2} { + after idle dispnexttag + } +} + +proc selectline {l isnew} { + global canv canv2 canv3 ctext commitinfo selectedline + global displayorder linehtag linentag linedtag + global canvy0 linespc parentlist children curview + global currentid sha1entry + global commentend idtags linknum + global mergemax numcommits pending_select + global cmitmode showneartags allcommits + + catch {unset pending_select} + $canv delete hover + normalline + cancel_next_highlight + if {$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 + rhighlight_sel $id + + $ctext conf -state normal + clear_ctext + set linknum 0 + 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 headers {} + 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 headers "Parent: [commit_descriptor $p]" + } + } + + foreach c $children($curview,$id) { + append headers "Child: [commit_descriptor $c]" + } + + # make anything that looks like a SHA1 ID be a clickable link + appendwithlinks $headers {} + if {$showneartags} { + if {![info exists allcommits]} { + getallcommits + } + $ctext insert end "Branch: " + $ctext mark set branch "end -1c" + $ctext mark gravity branch left + $ctext insert end "\nFollows: " + $ctext mark set follows "end -1c" + $ctext mark gravity follows left + $ctext insert end "\nPrecedes: " + $ctext mark set precedes "end -1c" + $ctext mark gravity precedes left + $ctext insert end "\n" + dispneartags 1 + } + $ctext insert end "\n" + set comment [lindex $info 5] + if {[string first "\r" $comment] >= 0} { + set comment [string map {"\r" "\n "} $comment] + } + appendwithlinks $comment {comment} + + $ctext tag remove found 1.0 end + $ctext conf -state disabled + set commentend [$ctext index "end - 1c"] + + init_flist "Comments" + if {$cmitmode eq "tree"} { + gettree $id + } elseif {[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 * $lpp}] units + drawvisible + if {![info exists selectedline]} return + set l [expr {$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 currentid + + catch {unset selectedline} + catch {unset currentid} + allcanvs delete secsel + rhighlight_none + cancel_next_highlight +} + +proc reselectline {} { + global selectedline + + if {[info exists selectedline]} { + selectline $selectedline 0 + } +} + +proc addtohistory {cmd} { + global history historyindex curview + + set elt [list $curview $cmd] + if {$historyindex > 0 + && [lindex $history [expr {$historyindex - 1}]] == $elt} { + return + } + + if {$historyindex < [llength $history]} { + set history [lreplace $history $historyindex end $elt] + } else { + lappend history $elt + } + incr historyindex + if {$historyindex > 1} { + .tf.bar.leftbut conf -state normal + } else { + .tf.bar.leftbut conf -state disabled + } + .tf.bar.rightbut conf -state disabled +} + +proc godo {elt} { + global curview + + set view [lindex $elt 0] + set cmd [lindex $elt 1] + if {$curview != $view} { + showview $view + } + eval $cmd +} + +proc goback {} { + global history historyindex + + if {$historyindex > 1} { + incr historyindex -1 + godo [lindex $history [expr {$historyindex - 1}]] + .tf.bar.rightbut conf -state normal + } + if {$historyindex <= 1} { + .tf.bar.leftbut conf -state disabled + } +} + +proc goforw {} { + global history historyindex + + if {$historyindex < [llength $history]} { + set cmd [lindex $history $historyindex] + incr historyindex + godo $cmd + .tf.bar.leftbut conf -state normal + } + if {$historyindex >= [llength $history]} { + .tf.bar.rightbut conf -state disabled + } +} + +proc gettree {id} { + global treefilelist treeidlist diffids diffmergeid treepending + global nullid nullid2 + + set diffids $id + catch {unset diffmergeid} + if {![info exists treefilelist($id)]} { + if {![info exists treepending]} { + if {$id eq $nullid} { + set cmd [list | git ls-files] + } elseif {$id eq $nullid2} { + set cmd [list | git ls-files --stage -t] + } else { + set cmd [list | git ls-tree -r $id] + } + if {[catch {set gtf [open $cmd r]}]} { + return + } + set treepending $id + set treefilelist($id) {} + set treeidlist($id) {} + fconfigure $gtf -blocking 0 + filerun $gtf [list gettreeline $gtf $id] + } + } else { + setfilelist $id + } +} + +proc gettreeline {gtf id} { + global treefilelist treeidlist treepending cmitmode diffids nullid nullid2 + + set nl 0 + while {[incr nl] <= 1000 && [gets $gtf line] >= 0} { + if {$diffids eq $nullid} { + set fname $line + } else { + if {$diffids ne $nullid2 && [lindex $line 1] ne "blob"} continue + set i [string first "\t" $line] + if {$i < 0} continue + set sha1 [lindex $line 2] + set fname [string range $line [expr {$i+1}] end] + if {[string index $fname 0] eq "\""} { + set fname [lindex $fname 0] + } + lappend treeidlist($id) $sha1 + } + lappend treefilelist($id) $fname + } + if {![eof $gtf]} { + return [expr {$nl >= 1000? 2: 1}] + } + close $gtf + unset treepending + if {$cmitmode ne "tree"} { + if {![info exists diffmergeid]} { + gettreediffs $diffids + } + } elseif {$id ne $diffids} { + gettree $diffids + } else { + setfilelist $id + } + return 0 +} + +proc showfile {f} { + global treefilelist treeidlist diffids nullid nullid2 + global ctext commentend + + set i [lsearch -exact $treefilelist($diffids) $f] + if {$i < 0} { + puts "oops, $f not in list for id $diffids" + return + } + if {$diffids eq $nullid} { + if {[catch {set bf [open $f r]} err]} { + puts "oops, can't read $f: $err" + return + } + } else { + set blob [lindex $treeidlist($diffids) $i] + if {[catch {set bf [open [concat | git cat-file blob $blob] r]} err]} { + puts "oops, error reading blob $blob: $err" + return + } + } + fconfigure $bf -blocking 0 + filerun $bf [list getblobline $bf $diffids] + $ctext config -state normal + clear_ctext $commentend + $ctext insert end "\n" + $ctext insert end "$f\n" filesep + $ctext config -state disabled + $ctext yview $commentend +} + +proc getblobline {bf id} { + global diffids cmitmode ctext + + if {$id ne $diffids || $cmitmode ne "tree"} { + catch {close $bf} + return 0 + } + $ctext config -state normal + set nl 0 + while {[incr nl] <= 1000 && [gets $bf line] >= 0} { + $ctext insert end "$line\n" + } + if {[eof $bf]} { + # delete last newline + $ctext delete "end - 2c" "end - 1c" + close $bf + return 0 + } + $ctext config -state disabled + return [expr {$nl >= 1000? 2: 1}] +} + +proc mergediff {id l} { + global diffmergeid diffopts mdifffd + global diffids + global parentlist + + set diffmergeid $id + set diffids $id + # 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]] + filerun $mdf [list getmergediffline $mdf $id $np] +} + +proc getmergediffline {mdf id np} { + global diffmergeid ctext cflist mergemax + global difffilestart mdifffd + + $ctext conf -state normal + set nr 0 + while {[incr nr] <= 1000 && [gets $mdf line] >= 0} { + if {![info exists diffmergeid] || $id != $diffmergeid + || $mdf != $mdifffd($id)} { + close $mdf + return 0 + } + if {[regexp {^diff --cc (.*)} $line match fname]} { + # start of a new file + $ctext insert end "\n" + set here [$ctext index "end - 1c"] + lappend difffilestart $here + add_flist [list $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 + } + } + $ctext conf -state disabled + if {[eof $mdf]} { + close $mdf + return 0 + } + return [expr {$nr >= 1000? 2: 1}] +} + +proc startdiff {ids} { + global treediffs diffids treepending diffmergeid nullid nullid2 + + set diffids $ids + catch {unset diffmergeid} + if {![info exists treediffs($ids)] || + [lsearch -exact $ids $nullid] >= 0 || + [lsearch -exact $ids $nullid2] >= 0} { + if {![info exists treepending]} { + gettreediffs $ids + } + } else { + addtocflist $ids + } +} + +proc addtocflist {ids} { + global treediffs cflist + add_flist $treediffs($ids) + getblobdiffs $ids +} + +proc diffcmd {ids flags} { + global nullid nullid2 + + set i [lsearch -exact $ids $nullid] + set j [lsearch -exact $ids $nullid2] + if {$i >= 0} { + if {[llength $ids] > 1 && $j < 0} { + # comparing working directory with some specific revision + set cmd [concat | git diff-index $flags] + if {$i == 0} { + lappend cmd -R [lindex $ids 1] + } else { + lappend cmd [lindex $ids 0] + } + } else { + # comparing working directory with index + set cmd [concat | git diff-files $flags] + if {$j == 1} { + lappend cmd -R + } + } + } elseif {$j >= 0} { + set cmd [concat | git diff-index --cached $flags] + if {[llength $ids] > 1} { + # comparing index with specific revision + if {$i == 0} { + lappend cmd -R [lindex $ids 1] + } else { + lappend cmd [lindex $ids 0] + } + } else { + # comparing index with HEAD + lappend cmd HEAD + } + } else { + set cmd [concat | git diff-tree -r $flags $ids] + } + return $cmd +} + +proc gettreediffs {ids} { + global treediff treepending + + set treepending $ids + set treediff {} + if {[catch {set gdtf [open [diffcmd $ids {--no-commit-id}] r]}]} return + fconfigure $gdtf -blocking 0 + filerun $gdtf [list gettreediffline $gdtf $ids] +} + +proc gettreediffline {gdtf ids} { + global treediff treediffs treepending diffids diffmergeid + global cmitmode + + set nr 0 + while {[incr nr] <= 1000 && [gets $gdtf line] >= 0} { + set i [string first "\t" $line] + if {$i >= 0} { + set file [string range $line [expr {$i+1}] end] + if {[string index $file 0] eq "\""} { + set file [lindex $file 0] + } + lappend treediff $file + } + } + if {![eof $gdtf]} { + return [expr {$nr >= 1000? 2: 1}] + } + close $gdtf + set treediffs($ids) $treediff + unset treepending + if {$cmitmode eq "tree"} { + gettree $diffids + } elseif {$ids != $diffids} { + if {![info exists diffmergeid]} { + gettreediffs $diffids + } + } else { + addtocflist $ids + } + return 0 +} + +proc getblobdiffs {ids} { + global diffopts blobdifffd diffids env + global diffinhdr treediffs + + set env(GIT_DIFF_OPTS) $diffopts + if {[catch {set bdf [open [diffcmd $ids {-p -C --no-commit-id}] r]} err]} { + puts "error getting diffs: $err" + return + } + set diffinhdr 0 + fconfigure $bdf -blocking 0 + set blobdifffd($ids) $bdf + filerun $bdf [list getblobdiffline $bdf $diffids] +} + +proc setinlist {var i val} { + global $var + + while {[llength [set $var]] < $i} { + lappend $var {} + } + if {[llength [set $var]] == $i} { + lappend $var $val + } else { + lset $var $i $val + } +} + +proc makediffhdr {fname ids} { + global ctext curdiffstart treediffs + + set i [lsearch -exact $treediffs($ids) $fname] + if {$i >= 0} { + setinlist difffilestart $i $curdiffstart + } + set l [expr {(78 - [string length $fname]) / 2}] + set pad [string range "----------------------------------------" 1 $l] + $ctext insert $curdiffstart "$pad $fname $pad" filesep +} + +proc getblobdiffline {bdf ids} { + global diffids blobdifffd ctext curdiffstart + global diffnexthead diffnextnote difffilestart + global diffinhdr treediffs + + set nr 0 + $ctext conf -state normal + while {[incr nr] <= 1000 && [gets $bdf line] >= 0} { + if {$ids != $diffids || $bdf != $blobdifffd($ids)} { + close $bdf + return 0 + } + if {![string compare -length 11 "diff --git " $line]} { + # trim off "diff --git " + set line [string range $line 11 end] + set diffinhdr 1 + # start of a new file + $ctext insert end "\n" + set curdiffstart [$ctext index "end - 1c"] + $ctext insert end "\n" filesep + # If the name hasn't changed the length will be odd, + # the middle char will be a space, and the two bits either + # side will be a/name and b/name, or "a/name" and "b/name". + # If the name has changed we'll get "rename from" and + # "rename to" lines following this, and we'll use them + # to get the filenames. + # This complexity is necessary because spaces in the filename(s) + # don't get escaped. + set l [string length $line] + set i [expr {$l / 2}] + if {!(($l & 1) && [string index $line $i] eq " " && + [string range $line 2 [expr {$i - 1}]] eq \ + [string range $line [expr {$i + 3}] end])} { + continue + } + # unescape if quoted and chop off the a/ from the front + if {[string index $line 0] eq "\""} { + set fname [string range [lindex $line 0] 2 end] + } else { + set fname [string range $line 2 [expr {$i - 1}]] + } + makediffhdr $fname $ids + + } elseif {[regexp {^@@ -([0-9]+)(,[0-9]+)? \+([0-9]+)(,[0-9]+)? @@(.*)} \ + $line match f1l f1c f2l f2c rest]} { + $ctext insert end "$line\n" hunksep + set diffinhdr 0 + + } elseif {$diffinhdr} { + if {![string compare -length 12 "rename from " $line]} { + set fname [string range $line 12 end] + if {[string index $fname 0] eq "\""} { + set fname [lindex $fname 0] + } + set i [lsearch -exact $treediffs($ids) $fname] + if {$i >= 0} { + setinlist difffilestart $i $curdiffstart + } + } elseif {![string compare -length 10 $line "rename to "]} { + set fname [string range $line 10 end] + if {[string index $fname 0] eq "\""} { + set fname [lindex $fname 0] + } + makediffhdr $fname $ids + } elseif {[string compare -length 3 $line "---"] == 0} { + # do nothing + continue + } elseif {[string compare -length 3 $line "+++"] == 0} { + set diffinhdr 0 + continue + } + $ctext insert end "$line\n" filesep + + } else { + set x [string range $line 0 0] + if {$x == "-" || $x == "+"} { + set tag [expr {$x == "+"}] + $ctext insert end "$line\n" d$tag + } elseif {$x == " "} { + $ctext insert end "$line\n" + } else { + # "\ No newline at end of file", + # or something else we don't recognize + $ctext insert end "$line\n" hunksep + } + } + } + $ctext conf -state disabled + if {[eof $bdf]} { + close $bdf + return 0 + } + return [expr {$nr >= 1000? 2: 1}] +} + +proc changediffdisp {} { + global ctext diffelide + + $ctext tag conf d0 -elide [lindex $diffelide 0] + $ctext tag conf d1 -elide [lindex $diffelide 1] +} + +proc prevfile {} { + global difffilestart ctext + set prev [lindex $difffilestart 0] + set here [$ctext index @0,0] + foreach loc $difffilestart { + if {[$ctext compare $loc >= $here]} { + $ctext yview $prev + return + } + set prev $loc + } + $ctext yview $prev +} + +proc nextfile {} { + global difffilestart ctext + set here [$ctext index @0,0] + foreach loc $difffilestart { + if {[$ctext compare $loc > $here]} { + $ctext yview $loc + return + } + } +} + +proc clear_ctext {{first 1.0}} { + global ctext smarktop smarkbot + + set l [lindex [split $first .] 0] + if {![info exists smarktop] || [$ctext compare $first < $smarktop.0]} { + set smarktop $l + } + if {![info exists smarkbot] || [$ctext compare $first < $smarkbot.0]} { + set smarkbot $l + } + $ctext delete $first end +} + +proc incrsearch {name ix op} { + global ctext searchstring searchdirn + + $ctext tag remove found 1.0 end + if {[catch {$ctext index anchor}]} { + # no anchor set, use start of selection, or of visible area + set sel [$ctext tag ranges sel] + if {$sel ne {}} { + $ctext mark set anchor [lindex $sel 0] + } elseif {$searchdirn eq "-forwards"} { + $ctext mark set anchor @0,0 + } else { + $ctext mark set anchor @0,[winfo height $ctext] + } + } + if {$searchstring ne {}} { + set here [$ctext search $searchdirn -- $searchstring anchor] + if {$here ne {}} { + $ctext see $here + } + searchmarkvisible 1 + } +} + +proc dosearch {} { + global sstring ctext searchstring searchdirn + + focus $sstring + $sstring icursor end + set searchdirn -forwards + if {$searchstring ne {}} { + set sel [$ctext tag ranges sel] + if {$sel ne {}} { + set start "[lindex $sel 0] + 1c" + } elseif {[catch {set start [$ctext index anchor]}]} { + set start "@0,0" + } + set match [$ctext search -count mlen -- $searchstring $start] + $ctext tag remove sel 1.0 end + if {$match eq {}} { + bell + return + } + $ctext see $match + set mend "$match + $mlen c" + $ctext tag add sel $match $mend + $ctext mark unset anchor + } +} + +proc dosearchback {} { + global sstring ctext searchstring searchdirn + + focus $sstring + $sstring icursor end + set searchdirn -backwards + if {$searchstring ne {}} { + set sel [$ctext tag ranges sel] + if {$sel ne {}} { + set start [lindex $sel 0] + } elseif {[catch {set start [$ctext index anchor]}]} { + set start @0,[winfo height $ctext] + } + set match [$ctext search -backwards -count ml -- $searchstring $start] + $ctext tag remove sel 1.0 end + if {$match eq {}} { + bell + return + } + $ctext see $match + set mend "$match + $ml c" + $ctext tag add sel $match $mend + $ctext mark unset anchor + } +} + +proc searchmark {first last} { + global ctext searchstring + + set mend $first.0 + while {1} { + set match [$ctext search -count mlen -- $searchstring $mend $last.end] + if {$match eq {}} break + set mend "$match + $mlen c" + $ctext tag add found $match $mend + } +} + +proc searchmarkvisible {doall} { + global ctext smarktop smarkbot + + set topline [lindex [split [$ctext index @0,0] .] 0] + set botline [lindex [split [$ctext index @0,[winfo height $ctext]] .] 0] + if {$doall || $botline < $smarktop || $topline > $smarkbot} { + # no overlap with previous + searchmark $topline $botline + set smarktop $topline + set smarkbot $botline + } else { + if {$topline < $smarktop} { + searchmark $topline [expr {$smarktop-1}] + set smarktop $topline + } + if {$botline > $smarkbot} { + searchmark [expr {$smarkbot+1}] $botline + set smarkbot $botline + } + } +} + +proc scrolltext {f0 f1} { + global searchstring + + .bleft.sb set $f0 $f1 + if {$searchstring ne {}} { + searchmarkvisible 0 + } +} + +proc setcoords {} { + global linespc charspc canvx0 canvy0 mainfont + global xspc1 xspc2 lthickness + + set linespc [font metrics $mainfont -linespace] + set charspc [font measure $mainfont "m"] + set canvy0 [expr {int(3 + 0.5 * $linespc)}] + set canvx0 [expr {int(3 + 0.5 * $linespc)}] + set lthickness [expr {int($linespc / 9) + 1}] + set xspc1(0) $linespc + set xspc2 $linespc +} + +proc redisplay {} { + global canv + global selectedline + + set ymax [lindex [$canv cget -scrollregion] 3] + if {$ymax eq {} || $ymax == 0} return + set span [$canv yview] + clear_display + setcanvscroll + allcanvs yview moveto [lindex $span 0] + drawvisible + if {[info exists selectedline]} { + selectline $selectedline 0 + allcanvs yview moveto [lindex $span 0] + } +} + +proc incrfont {inc} { + global mainfont textfont ctext canv phase cflist + global charspc tabstop + global stopped entries + unmarkmatches + set mainfont [lreplace $mainfont 1 1 [expr {[lindex $mainfont 1] + $inc}]] + set textfont [lreplace $textfont 1 1 [expr {[lindex $textfont 1] + $inc}]] + setcoords + $ctext conf -font $textfont -tabs "[expr {$tabstop * $charspc}]" + $cflist conf -font $textfont + $ctext tag conf filesep -font [concat $textfont bold] + foreach e $entries { + $e conf -font $mainfont + } + if {$phase eq "getcommits"} { + $canv itemconf textitems -font $mainfont + } + redisplay +} + +proc clearsha1 {} { + global sha1entry sha1string + if {[string length $sha1string] == 40} { + $sha1entry delete 0 end + } +} + +proc sha1change {n1 n2 op} { + global sha1string currentid sha1but + if {$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 { + $sha1but conf -state disabled -relief flat -text "SHA1 ID: " + } +} + +proc gotocommit {} { + global sha1string currentid commitrow tagids headids + global displayorder numcommits curview + + if {$sha1string == {} + || ([info exists currentid] && $sha1string == $currentid)} return + if {[info exists tagids($sha1string)]} { + set id $tagids($sha1string) + } elseif {[info exists headids($sha1string)]} { + set id $headids($sha1string) + } else { + set id [string tolower $sha1string] + if {[regexp {^[0-9a-f]{4,39}$} $id]} { + set matches {} + foreach i $displayorder { + if {[string match $id* $i]} { + lappend matches $i + } + } + if {$matches ne {}} { + if {[llength $matches] > 1} { + error_popup "Short SHA1 id $id is ambiguous" + return + } + set id [lindex $matches 0] + } + } + } + if {[info exists commitrow($curview,$id)]} { + selectline $commitrow($curview,$id) 1 + return + } + if {[regexp {^[0-9a-fA-F]{4,}$} $sha1string]} { + set type "SHA1 id" + } else { + set type "Tag/Head" + } + error_popup "$type $sha1string is not known" +} + +proc lineenter {x y id} { + global hoverx hovery hoverid hovertimer + global commitinfo canv + + if {![info exists commitinfo($id)] && ![getcommit $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 \ + -font $mainfont] + $canv raise $t +} + +proc clickisonarrow {id y} { + global lthickness + + set ranges [rowranges $id] + set thresh [expr {2 * $lthickness + 6}] + set n [expr {[llength $ranges] - 1}] + for {set i 1} {$i < $n} {incr i} { + set row [lindex $ranges $i] + if {abs([yc $row] - $y) < $thresh} { + return $i + } + } + return {} +} + +proc arrowjump {id n y} { + global canv + + # 1 <-> 2, 3 <-> 4, etc... + set n [expr {(($n - 1) ^ 1) + 1}] + set row [lindex [rowranges $id] $n] + set yt [yc $row] + set ymax [lindex [$canv cget -scrollregion] 3] + if {$ymax eq {} || $ymax <= 0} return + set view [$canv yview] + set yspan [expr {[lindex $view 1] - [lindex $view 0]}] + set yfrac [expr {$yt / $ymax - $yspan / 2}] + if {$yfrac < 0} { + set yfrac 0 + } + allcanvs yview moveto $yfrac +} + +proc lineclick {x y id isnew} { + global ctext commitinfo children canv thickerline curview + + if {![info exists commitinfo($id)] && ![getcommit $id]} return + unmarkmatches + unselectline + normalline + $canv delete hover + # draw this line thicker than normal + set thickerline $id + drawlines $id + if {$isnew} { + set ymax [lindex [$canv cget -scrollregion] 3] + if {$ymax eq {}} return + set yfrac [lindex [$canv yview] 0] + set y [expr {$y + $yfrac * $ymax}] + } + set dirn [clickisonarrow $id $y] + if {$dirn ne {}} { + arrowjump $id $dirn $y + return + } + + if {$isnew} { + addtohistory [list lineclick $x $y $id 0] + } + # fill the details pane with info about this line + $ctext conf -state normal + clear_ctext + $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 } + $ctext insert end "Parent:\t" + $ctext insert end $id [list link link0] + $ctext tag bind link0 <1> [list selbyid $id] + set info $commitinfo($id) + $ctext insert end "\n\t[lindex $info 0]\n" + $ctext insert end "\tAuthor:\t[lindex $info 1]\n" + set date [formatdate [lindex $info 2]] + $ctext insert end "\tDate:\t$date\n" + set kids $children($curview,$id) + if {$kids ne {}} { + $ctext insert end "\nChildren:" + set i 0 + foreach child $kids { + incr i + if {![info exists commitinfo($child)] && ![getcommit $child]} continue + set info $commitinfo($child) + $ctext insert end "\n\t" + $ctext insert end $child [list link link$i] + $ctext tag bind link$i <1> [list selbyid $child] + $ctext insert end "\n\t[lindex $info 0]" + $ctext insert end "\n\tAuthor:\t[lindex $info 1]" + set date [formatdate [lindex $info 2]] + $ctext insert end "\n\tDate:\t$date\n" + } + } + $ctext conf -state disabled + init_flist {} +} + +proc normalline {} { + global thickerline + if {[info exists thickerline]} { + set id $thickerline + unset thickerline + drawlines $id + } +} + +proc selbyid {id} { + global commitrow curview + if {[info exists commitrow($curview,$id)]} { + selectline $commitrow($curview,$id) 1 + } +} + +proc mstime {} { + global startmstime + if {![info exists startmstime]} { + set startmstime [clock clicks -milliseconds] + } + return [format "%.3f" [expr {([clock click -milliseconds] - $startmstime) / 1000.0}]] +} + +proc rowmenu {x y id} { + global rowctxmenu commitrow selectedline rowmenuid curview + global nullid nullid2 fakerowmenu mainhead + + set rowmenuid $id + if {![info exists selectedline] + || $commitrow($curview,$id) eq $selectedline} { + set state disabled + } else { + set state normal + } + if {$id ne $nullid && $id ne $nullid2} { + set menu $rowctxmenu + $menu entryconfigure 7 -label "Reset $mainhead branch to here" + } else { + set menu $fakerowmenu + } + $menu entryconfigure "Diff this*" -state $state + $menu entryconfigure "Diff selected*" -state $state + $menu entryconfigure "Make patch" -state $state + tk_popup $menu $x $y +} + +proc diffvssel {dirn} { + global rowmenuid selectedline displayorder + + if {![info exists selectedline]} return + if {$dirn} { + set oldid [lindex $displayorder $selectedline] + set newid $rowmenuid + } else { + set oldid $rowmenuid + set newid [lindex $displayorder $selectedline] + } + addtohistory [list doseldiff $oldid $newid] + doseldiff $oldid $newid +} + +proc doseldiff {oldid newid} { + global ctext + global commitinfo + + $ctext conf -state normal + clear_ctext + init_flist "Top" + $ctext insert end "From " + $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 } + $ctext tag bind link0 <1> [list selbyid $oldid] + $ctext insert end $oldid [list link link0] + $ctext insert end "\n " + $ctext insert end [lindex $commitinfo($oldid) 0] + $ctext insert end "\n\nTo " + $ctext tag bind link1 <1> [list selbyid $newid] + $ctext insert end $newid [list link link1] + $ctext insert end "\n " + $ctext insert end [lindex $commitinfo($newid) 0] + $ctext insert end "\n" + $ctext conf -state disabled + $ctext tag remove found 1.0 end + startdiff [list $oldid $newid] +} + +proc mkpatch {} { + global rowmenuid currentid commitinfo patchtop patchnum + + if {![info exists currentid]} return + set oldid $currentid + set oldhead [lindex $commitinfo($oldid) 0] + set newid $rowmenuid + set newhead [lindex $commitinfo($newid) 0] + set top .patch + set patchtop $top + catch {destroy $top} + toplevel $top + label $top.title -text "Generate patch" + grid $top.title - -pady 10 + label $top.from -text "From:" + entry $top.fromsha1 -width 40 -relief flat + $top.fromsha1 insert 0 $oldid + $top.fromsha1 conf -state readonly + grid $top.from $top.fromsha1 -sticky w + entry $top.fromhead -width 60 -relief flat + $top.fromhead insert 0 $oldhead + $top.fromhead conf -state readonly + grid x $top.fromhead -sticky w + label $top.to -text "To:" + entry $top.tosha1 -width 40 -relief flat + $top.tosha1 insert 0 $newid + $top.tosha1 conf -state readonly + grid $top.to $top.tosha1 -sticky w + entry $top.tohead -width 60 -relief flat + $top.tohead insert 0 $newhead + $top.tohead conf -state readonly + grid x $top.tohead -sticky w + button $top.rev -text "Reverse" -command mkpatchrev -padx 5 + grid $top.rev x -pady 10 + label $top.flab -text "Output file:" + entry $top.fname -width 60 + $top.fname insert 0 [file normalize "patch$patchnum.patch"] + incr patchnum + grid $top.flab $top.fname -sticky w + frame $top.buts + button $top.buts.gen -text "Generate" -command mkpatchgo + button $top.buts.can -text "Cancel" -command mkpatchcan + grid $top.buts.gen $top.buts.can + grid columnconfigure $top.buts 0 -weight 1 -uniform a + grid columnconfigure $top.buts 1 -weight 1 -uniform a + grid $top.buts - -pady 10 -sticky ew + focus $top.fname +} + +proc mkpatchrev {} { + global patchtop + + set oldid [$patchtop.fromsha1 get] + set oldhead [$patchtop.fromhead get] + set newid [$patchtop.tosha1 get] + set newhead [$patchtop.tohead get] + foreach e [list fromsha1 fromhead tosha1 tohead] \ + v [list $newid $newhead $oldid $oldhead] { + $patchtop.$e conf -state normal + $patchtop.$e delete 0 end + $patchtop.$e insert 0 $v + $patchtop.$e conf -state readonly + } +} + +proc mkpatchgo {} { + global patchtop nullid nullid2 + + set oldid [$patchtop.fromsha1 get] + set newid [$patchtop.tosha1 get] + set fname [$patchtop.fname get] + set cmd [diffcmd [list $oldid $newid] -p] + lappend cmd >$fname & + if {[catch {eval exec $cmd} err]} { + error_popup "Error creating patch: $err" + } + catch {destroy $patchtop} + unset patchtop +} + +proc mkpatchcan {} { + global patchtop + + catch {destroy $patchtop} + unset patchtop +} + +proc mktag {} { + global rowmenuid mktagtop commitinfo + + set top .maketag + set mktagtop $top + catch {destroy $top} + toplevel $top + label $top.title -text "Create tag" + grid $top.title - -pady 10 + label $top.id -text "ID:" + entry $top.sha1 -width 40 -relief flat + $top.sha1 insert 0 $rowmenuid + $top.sha1 conf -state readonly + grid $top.id $top.sha1 -sticky w + entry $top.head -width 60 -relief flat + $top.head insert 0 [lindex $commitinfo($rowmenuid) 0] + $top.head conf -state readonly + grid x $top.head -sticky w + label $top.tlab -text "Tag name:" + entry $top.tag -width 60 + grid $top.tlab $top.tag -sticky w + frame $top.buts + button $top.buts.gen -text "Create" -command mktaggo + button $top.buts.can -text "Cancel" -command mktagcan + grid $top.buts.gen $top.buts.can + grid columnconfigure $top.buts 0 -weight 1 -uniform a + grid columnconfigure $top.buts 1 -weight 1 -uniform a + grid $top.buts - -pady 10 -sticky ew + focus $top.tag +} + +proc domktag {} { + global mktagtop env tagids idtags + + set id [$mktagtop.sha1 get] + set tag [$mktagtop.tag get] + if {$tag == {}} { + error_popup "No tag name specified" + return + } + if {[info exists tagids($tag)]} { + error_popup "Tag \"$tag\" already exists" + return + } + if {[catch { + set dir [gitdir] + set fname [file join $dir "refs/tags" $tag] + set f [open $fname w] + puts $f $id + close $f + } err]} { + error_popup "Error creating tag: $err" + return + } + + set tagids($tag) $id + lappend idtags($id) $tag + redrawtags $id + addedtag $id +} + +proc redrawtags {id} { + global canv linehtag commitrow idpos selectedline curview + global mainfont canvxmax iddrawn + + if {![info exists commitrow($curview,$id)]} return + if {![info exists iddrawn($id)]} return + drawcommits $commitrow($curview,$id) + $canv delete tag.$id + set xt [eval drawtags $id $idpos($id)] + $canv coords $linehtag($commitrow($curview,$id)) $xt [lindex $idpos($id) 2] + set text [$canv itemcget $linehtag($commitrow($curview,$id)) -text] + set xr [expr {$xt + [font measure $mainfont $text]}] + if {$xr > $canvxmax} { + set canvxmax $xr + setcanvscroll + } + if {[info exists selectedline] + && $selectedline == $commitrow($curview,$id)} { + selectline $selectedline 0 + } +} + +proc mktagcan {} { + global mktagtop + + catch {destroy $mktagtop} + unset mktagtop +} + +proc mktaggo {} { + domktag + mktagcan +} + +proc writecommit {} { + global rowmenuid wrcomtop commitinfo wrcomcmd + + set top .writecommit + set wrcomtop $top + catch {destroy $top} + toplevel $top + label $top.title -text "Write commit to file" + grid $top.title - -pady 10 + label $top.id -text "ID:" + entry $top.sha1 -width 40 -relief flat + $top.sha1 insert 0 $rowmenuid + $top.sha1 conf -state readonly + grid $top.id $top.sha1 -sticky w + entry $top.head -width 60 -relief flat + $top.head insert 0 [lindex $commitinfo($rowmenuid) 0] + $top.head conf -state readonly + grid x $top.head -sticky w + label $top.clab -text "Command:" + entry $top.cmd -width 60 -textvariable wrcomcmd + grid $top.clab $top.cmd -sticky w -pady 10 + label $top.flab -text "Output file:" + entry $top.fname -width 60 + $top.fname insert 0 [file normalize "commit-[string range $rowmenuid 0 6]"] + grid $top.flab $top.fname -sticky w + frame $top.buts + button $top.buts.gen -text "Write" -command wrcomgo + button $top.buts.can -text "Cancel" -command wrcomcan + grid $top.buts.gen $top.buts.can + grid columnconfigure $top.buts 0 -weight 1 -uniform a + grid columnconfigure $top.buts 1 -weight 1 -uniform a + grid $top.buts - -pady 10 -sticky ew + focus $top.fname +} + +proc wrcomgo {} { + global wrcomtop + + set id [$wrcomtop.sha1 get] + set cmd "echo $id | [$wrcomtop.cmd get]" + set fname [$wrcomtop.fname get] + if {[catch {exec sh -c $cmd >$fname &} err]} { + error_popup "Error writing commit: $err" + } + catch {destroy $wrcomtop} + unset wrcomtop +} + +proc wrcomcan {} { + global wrcomtop + + catch {destroy $wrcomtop} + unset wrcomtop +} + +proc mkbranch {} { + global rowmenuid mkbrtop + + set top .makebranch + catch {destroy $top} + toplevel $top + label $top.title -text "Create new branch" + grid $top.title - -pady 10 + label $top.id -text "ID:" + entry $top.sha1 -width 40 -relief flat + $top.sha1 insert 0 $rowmenuid + $top.sha1 conf -state readonly + grid $top.id $top.sha1 -sticky w + label $top.nlab -text "Name:" + entry $top.name -width 40 + grid $top.nlab $top.name -sticky w + frame $top.buts + button $top.buts.go -text "Create" -command [list mkbrgo $top] + button $top.buts.can -text "Cancel" -command "catch {destroy $top}" + grid $top.buts.go $top.buts.can + grid columnconfigure $top.buts 0 -weight 1 -uniform a + grid columnconfigure $top.buts 1 -weight 1 -uniform a + grid $top.buts - -pady 10 -sticky ew + focus $top.name +} + +proc mkbrgo {top} { + global headids idheads + + set name [$top.name get] + set id [$top.sha1 get] + if {$name eq {}} { + error_popup "Please specify a name for the new branch" + return + } + catch {destroy $top} + nowbusy newbranch + update + if {[catch { + exec git branch $name $id + } err]} { + notbusy newbranch + error_popup $err + } else { + set headids($name) $id + lappend idheads($id) $name + addedhead $id $name + notbusy newbranch + redrawtags $id + dispneartags 0 + } +} + +proc cherrypick {} { + global rowmenuid curview commitrow + global mainhead + + set oldhead [exec git rev-parse HEAD] + set dheads [descheads $rowmenuid] + if {$dheads ne {} && [lsearch -exact $dheads $oldhead] >= 0} { + set ok [confirm_popup "Commit [string range $rowmenuid 0 7] is already\ + included in branch $mainhead -- really re-apply it?"] + if {!$ok} return + } + nowbusy cherrypick + update + # Unfortunately git-cherry-pick writes stuff to stderr even when + # no error occurs, and exec takes that as an indication of error... + if {[catch {exec sh -c "git cherry-pick -r $rowmenuid 2>&1"} err]} { + notbusy cherrypick + error_popup $err + return + } + set newhead [exec git rev-parse HEAD] + if {$newhead eq $oldhead} { + notbusy cherrypick + error_popup "No changes committed" + return + } + addnewchild $newhead $oldhead + if {[info exists commitrow($curview,$oldhead)]} { + insertrow $commitrow($curview,$oldhead) $newhead + if {$mainhead ne {}} { + movehead $newhead $mainhead + movedhead $newhead $mainhead + } + redrawtags $oldhead + redrawtags $newhead + } + notbusy cherrypick +} + +proc resethead {} { + global mainheadid mainhead rowmenuid confirm_ok resettype + global showlocalchanges + + set confirm_ok 0 + set w ".confirmreset" + toplevel $w + wm transient $w . + wm title $w "Confirm reset" + message $w.m -text \ + "Reset branch $mainhead to [string range $rowmenuid 0 7]?" \ + -justify center -aspect 1000 + pack $w.m -side top -fill x -padx 20 -pady 20 + frame $w.f -relief sunken -border 2 + message $w.f.rt -text "Reset type:" -aspect 1000 + grid $w.f.rt -sticky w + set resettype mixed + radiobutton $w.f.soft -value soft -variable resettype -justify left \ + -text "Soft: Leave working tree and index untouched" + grid $w.f.soft -sticky w + radiobutton $w.f.mixed -value mixed -variable resettype -justify left \ + -text "Mixed: Leave working tree untouched, reset index" + grid $w.f.mixed -sticky w + radiobutton $w.f.hard -value hard -variable resettype -justify left \ + -text "Hard: Reset working tree and index\n(discard ALL local changes)" + grid $w.f.hard -sticky w + pack $w.f -side top -fill x + button $w.ok -text OK -command "set confirm_ok 1; destroy $w" + pack $w.ok -side left -fill x -padx 20 -pady 20 + button $w.cancel -text Cancel -command "destroy $w" + pack $w.cancel -side right -fill x -padx 20 -pady 20 + bind $w <Visibility> "grab $w; focus $w" + tkwait window $w + if {!$confirm_ok} return + if {[catch {set fd [open \ + [list | sh -c "git reset --$resettype $rowmenuid 2>&1"] r]} err]} { + error_popup $err + } else { + dohidelocalchanges + set w ".resetprogress" + filerun $fd [list readresetstat $fd $w] + toplevel $w + wm transient $w + wm title $w "Reset progress" + message $w.m -text "Reset in progress, please wait..." \ + -justify center -aspect 1000 + pack $w.m -side top -fill x -padx 20 -pady 5 + canvas $w.c -width 150 -height 20 -bg white + $w.c create rect 0 0 0 20 -fill green -tags rect + pack $w.c -side top -fill x -padx 20 -pady 5 -expand 1 + nowbusy reset + } +} + +proc readresetstat {fd w} { + global mainhead mainheadid showlocalchanges + + if {[gets $fd line] >= 0} { + if {[regexp {([0-9]+)% \(([0-9]+)/([0-9]+)\)} $line match p m n]} { + set x [expr {($m * 150) / $n}] + $w.c coords rect 0 0 $x 20 + } + return 1 + } + destroy $w + notbusy reset + if {[catch {close $fd} err]} { + error_popup $err + } + set oldhead $mainheadid + set newhead [exec git rev-parse HEAD] + if {$newhead ne $oldhead} { + movehead $newhead $mainhead + movedhead $newhead $mainhead + set mainheadid $newhead + redrawtags $oldhead + redrawtags $newhead + } + if {$showlocalchanges} { + doshowlocalchanges + } + return 0 +} + +# context menu for a head +proc headmenu {x y id head} { + global headmenuid headmenuhead headctxmenu mainhead + + set headmenuid $id + set headmenuhead $head + set state normal + if {$head eq $mainhead} { + set state disabled + } + $headctxmenu entryconfigure 0 -state $state + $headctxmenu entryconfigure 1 -state $state + tk_popup $headctxmenu $x $y +} + +proc cobranch {} { + global headmenuid headmenuhead mainhead headids + global showlocalchanges mainheadid + + # check the tree is clean first?? + set oldmainhead $mainhead + nowbusy checkout + update + dohidelocalchanges + if {[catch { + exec git checkout -q $headmenuhead + } err]} { + notbusy checkout + error_popup $err + } else { + notbusy checkout + set mainhead $headmenuhead + set mainheadid $headmenuid + if {[info exists headids($oldmainhead)]} { + redrawtags $headids($oldmainhead) + } + redrawtags $headmenuid + } + if {$showlocalchanges} { + dodiffindex + } +} + +proc rmbranch {} { + global headmenuid headmenuhead mainhead + global headids idheads + + set head $headmenuhead + set id $headmenuid + # this check shouldn't be needed any more... + if {$head eq $mainhead} { + error_popup "Cannot delete the currently checked-out branch" + return + } + set dheads [descheads $id] + if {$dheads eq $headids($head)} { + # the stuff on this branch isn't on any other branch + if {![confirm_popup "The commits on branch $head aren't on any other\ + branch.\nReally delete branch $head?"]} return + } + nowbusy rmbranch + update + if {[catch {exec git branch -D $head} err]} { + notbusy rmbranch + error_popup $err + return + } + removehead $id $head + removedhead $id $head + redrawtags $id + notbusy rmbranch + dispneartags 0 +} + +# Stuff for finding nearby tags +proc getallcommits {} { + global allcommits allids nbmp nextarc seeds + + set allids {} + set nbmp 0 + set nextarc 0 + set allcommits 0 + set seeds {} + regetallcommits +} + +# Called when the graph might have changed +proc regetallcommits {} { + global allcommits seeds + + set cmd [concat | git rev-list --all --parents] + foreach id $seeds { + lappend cmd "^$id" + } + set fd [open $cmd r] + fconfigure $fd -blocking 0 + incr allcommits + nowbusy allcommits + filerun $fd [list getallclines $fd] +} + +# Since most commits have 1 parent and 1 child, we group strings of +# such commits into "arcs" joining branch/merge points (BMPs), which +# are commits that either don't have 1 parent or don't have 1 child. +# +# arcnos(id) - incoming arcs for BMP, arc we're on for other nodes +# arcout(id) - outgoing arcs for BMP +# arcids(a) - list of IDs on arc including end but not start +# arcstart(a) - BMP ID at start of arc +# arcend(a) - BMP ID at end of arc +# growing(a) - arc a is still growing +# arctags(a) - IDs out of arcids (excluding end) that have tags +# archeads(a) - IDs out of arcids (excluding end) that have heads +# The start of an arc is at the descendent end, so "incoming" means +# coming from descendents, and "outgoing" means going towards ancestors. + +proc getallclines {fd} { + global allids allparents allchildren idtags idheads nextarc nbmp + global arcnos arcids arctags arcout arcend arcstart archeads growing + global seeds allcommits + + set nid 0 + while {[incr nid] <= 1000 && [gets $fd line] >= 0} { + set id [lindex $line 0] + if {[info exists allparents($id)]} { + # seen it already + continue + } + lappend allids $id + set olds [lrange $line 1 end] + set allparents($id) $olds + if {![info exists allchildren($id)]} { + set allchildren($id) {} + set arcnos($id) {} + lappend seeds $id + } else { + set a $arcnos($id) + if {[llength $olds] == 1 && [llength $a] == 1} { + lappend arcids($a) $id + if {[info exists idtags($id)]} { + lappend arctags($a) $id + } + if {[info exists idheads($id)]} { + lappend archeads($a) $id + } + if {[info exists allparents($olds)]} { + # seen parent already + if {![info exists arcout($olds)]} { + splitarc $olds + } + lappend arcids($a) $olds + set arcend($a) $olds + unset growing($a) + } + lappend allchildren($olds) $id + lappend arcnos($olds) $a + continue + } + } + incr nbmp + foreach a $arcnos($id) { + lappend arcids($a) $id + set arcend($a) $id + unset growing($a) + } + + set ao {} + foreach p $olds { + lappend allchildren($p) $id + set a [incr nextarc] + set arcstart($a) $id + set archeads($a) {} + set arctags($a) {} + set archeads($a) {} + set arcids($a) {} + lappend ao $a + set growing($a) 1 + if {[info exists allparents($p)]} { + # seen it already, may need to make a new branch + if {![info exists arcout($p)]} { + splitarc $p + } + lappend arcids($a) $p + set arcend($a) $p + unset growing($a) + } + lappend arcnos($p) $a + } + set arcout($id) $ao + } + if {$nid > 0} { + global cached_dheads cached_dtags cached_atags + catch {unset cached_dheads} + catch {unset cached_dtags} + catch {unset cached_atags} + } + if {![eof $fd]} { + return [expr {$nid >= 1000? 2: 1}] + } + close $fd + if {[incr allcommits -1] == 0} { + notbusy allcommits + } + dispneartags 0 + return 0 +} + +proc recalcarc {a} { + global arctags archeads arcids idtags idheads + + set at {} + set ah {} + foreach id [lrange $arcids($a) 0 end-1] { + if {[info exists idtags($id)]} { + lappend at $id + } + if {[info exists idheads($id)]} { + lappend ah $id + } + } + set arctags($a) $at + set archeads($a) $ah +} + +proc splitarc {p} { + global arcnos arcids nextarc nbmp arctags archeads idtags idheads + global arcstart arcend arcout allparents growing + + set a $arcnos($p) + if {[llength $a] != 1} { + puts "oops splitarc called but [llength $a] arcs already" + return + } + set a [lindex $a 0] + set i [lsearch -exact $arcids($a) $p] + if {$i < 0} { + puts "oops splitarc $p not in arc $a" + return + } + set na [incr nextarc] + if {[info exists arcend($a)]} { + set arcend($na) $arcend($a) + } else { + set l [lindex $allparents([lindex $arcids($a) end]) 0] + set j [lsearch -exact $arcnos($l) $a] + set arcnos($l) [lreplace $arcnos($l) $j $j $na] + } + set tail [lrange $arcids($a) [expr {$i+1}] end] + set arcids($a) [lrange $arcids($a) 0 $i] + set arcend($a) $p + set arcstart($na) $p + set arcout($p) $na + set arcids($na) $tail + if {[info exists growing($a)]} { + set growing($na) 1 + unset growing($a) + } + incr nbmp + + foreach id $tail { + if {[llength $arcnos($id)] == 1} { + set arcnos($id) $na + } else { + set j [lsearch -exact $arcnos($id) $a] + set arcnos($id) [lreplace $arcnos($id) $j $j $na] + } + } + + # reconstruct tags and heads lists + if {$arctags($a) ne {} || $archeads($a) ne {}} { + recalcarc $a + recalcarc $na + } else { + set arctags($na) {} + set archeads($na) {} + } +} + +# Update things for a new commit added that is a child of one +# existing commit. Used when cherry-picking. +proc addnewchild {id p} { + global allids allparents allchildren idtags nextarc nbmp + global arcnos arcids arctags arcout arcend arcstart archeads growing + global seeds + + lappend allids $id + set allparents($id) [list $p] + set allchildren($id) {} + set arcnos($id) {} + lappend seeds $id + incr nbmp + lappend allchildren($p) $id + set a [incr nextarc] + set arcstart($a) $id + set archeads($a) {} + set arctags($a) {} + set arcids($a) [list $p] + set arcend($a) $p + if {![info exists arcout($p)]} { + splitarc $p + } + lappend arcnos($p) $a + set arcout($id) [list $a] +} + +# Returns 1 if a is an ancestor of b, -1 if b is an ancestor of a, +# or 0 if neither is true. +proc anc_or_desc {a b} { + global arcout arcstart arcend arcnos cached_isanc + + if {$arcnos($a) eq $arcnos($b)} { + # Both are on the same arc(s); either both are the same BMP, + # or if one is not a BMP, the other is also not a BMP or is + # the BMP at end of the arc (and it only has 1 incoming arc). + # Or both can be BMPs with no incoming arcs. + if {$a eq $b || $arcnos($a) eq {}} { + return 0 + } + # assert {[llength $arcnos($a)] == 1} + set arc [lindex $arcnos($a) 0] + set i [lsearch -exact $arcids($arc) $a] + set j [lsearch -exact $arcids($arc) $b] + if {$i < 0 || $i > $j} { + return 1 + } else { + return -1 + } + } + + if {![info exists arcout($a)]} { + set arc [lindex $arcnos($a) 0] + if {[info exists arcend($arc)]} { + set aend $arcend($arc) + } else { + set aend {} + } + set a $arcstart($arc) + } else { + set aend $a + } + if {![info exists arcout($b)]} { + set arc [lindex $arcnos($b) 0] + if {[info exists arcend($arc)]} { + set bend $arcend($arc) + } else { + set bend {} + } + set b $arcstart($arc) + } else { + set bend $b + } + if {$a eq $bend} { + return 1 + } + if {$b eq $aend} { + return -1 + } + if {[info exists cached_isanc($a,$bend)]} { + if {$cached_isanc($a,$bend)} { + return 1 + } + } + if {[info exists cached_isanc($b,$aend)]} { + if {$cached_isanc($b,$aend)} { + return -1 + } + if {[info exists cached_isanc($a,$bend)]} { + return 0 + } + } + + set todo [list $a $b] + set anc($a) a + set anc($b) b + for {set i 0} {$i < [llength $todo]} {incr i} { + set x [lindex $todo $i] + if {$anc($x) eq {}} { + continue + } + foreach arc $arcnos($x) { + set xd $arcstart($arc) + if {$xd eq $bend} { + set cached_isanc($a,$bend) 1 + set cached_isanc($b,$aend) 0 + return 1 + } elseif {$xd eq $aend} { + set cached_isanc($b,$aend) 1 + set cached_isanc($a,$bend) 0 + return -1 + } + if {![info exists anc($xd)]} { + set anc($xd) $anc($x) + lappend todo $xd + } elseif {$anc($xd) ne $anc($x)} { + set anc($xd) {} + } + } + } + set cached_isanc($a,$bend) 0 + set cached_isanc($b,$aend) 0 + return 0 +} + +# This identifies whether $desc has an ancestor that is +# a growing tip of the graph and which is not an ancestor of $anc +# and returns 0 if so and 1 if not. +# If we subsequently discover a tag on such a growing tip, and that +# turns out to be a descendent of $anc (which it could, since we +# don't necessarily see children before parents), then $desc +# isn't a good choice to display as a descendent tag of +# $anc (since it is the descendent of another tag which is +# a descendent of $anc). Similarly, $anc isn't a good choice to +# display as a ancestor tag of $desc. +# +proc is_certain {desc anc} { + global arcnos arcout arcstart arcend growing problems + + set certain {} + if {[llength $arcnos($anc)] == 1} { + # tags on the same arc are certain + if {$arcnos($desc) eq $arcnos($anc)} { + return 1 + } + if {![info exists arcout($anc)]} { + # if $anc is partway along an arc, use the start of the arc instead + set a [lindex $arcnos($anc) 0] + set anc $arcstart($a) + } + } + if {[llength $arcnos($desc)] > 1 || [info exists arcout($desc)]} { + set x $desc + } else { + set a [lindex $arcnos($desc) 0] + set x $arcend($a) + } + if {$x == $anc} { + return 1 + } + set anclist [list $x] + set dl($x) 1 + set nnh 1 + set ngrowanc 0 + for {set i 0} {$i < [llength $anclist] && ($nnh > 0 || $ngrowanc > 0)} {incr i} { + set x [lindex $anclist $i] + if {$dl($x)} { + incr nnh -1 + } + set done($x) 1 + foreach a $arcout($x) { + if {[info exists growing($a)]} { + if {![info exists growanc($x)] && $dl($x)} { + set growanc($x) 1 + incr ngrowanc + } + } else { + set y $arcend($a) + if {[info exists dl($y)]} { + if {$dl($y)} { + if {!$dl($x)} { + set dl($y) 0 + if {![info exists done($y)]} { + incr nnh -1 + } + if {[info exists growanc($x)]} { + incr ngrowanc -1 + } + set xl [list $y] + for {set k 0} {$k < [llength $xl]} {incr k} { + set z [lindex $xl $k] + foreach c $arcout($z) { + if {[info exists arcend($c)]} { + set v $arcend($c) + if {[info exists dl($v)] && $dl($v)} { + set dl($v) 0 + if {![info exists done($v)]} { + incr nnh -1 + } + if {[info exists growanc($v)]} { + incr ngrowanc -1 + } + lappend xl $v + } + } + } + } + } + } + } elseif {$y eq $anc || !$dl($x)} { + set dl($y) 0 + lappend anclist $y + } else { + set dl($y) 1 + lappend anclist $y + incr nnh + } + } + } + } + foreach x [array names growanc] { + if {$dl($x)} { + return 0 + } + return 0 + } + return 1 +} + +proc validate_arctags {a} { + global arctags idtags + + set i -1 + set na $arctags($a) + foreach id $arctags($a) { + incr i + if {![info exists idtags($id)]} { + set na [lreplace $na $i $i] + incr i -1 + } + } + set arctags($a) $na +} + +proc validate_archeads {a} { + global archeads idheads + + set i -1 + set na $archeads($a) + foreach id $archeads($a) { + incr i + if {![info exists idheads($id)]} { + set na [lreplace $na $i $i] + incr i -1 + } + } + set archeads($a) $na +} + +# Return the list of IDs that have tags that are descendents of id, +# ignoring IDs that are descendents of IDs already reported. +proc desctags {id} { + global arcnos arcstart arcids arctags idtags allparents + global growing cached_dtags + + if {![info exists allparents($id)]} { + return {} + } + set t1 [clock clicks -milliseconds] + set argid $id + if {[llength $arcnos($id)] == 1 && [llength $allparents($id)] == 1} { + # part-way along an arc; check that arc first + set a [lindex $arcnos($id) 0] + if {$arctags($a) ne {}} { + validate_arctags $a + set i [lsearch -exact $arcids($a) $id] + set tid {} + foreach t $arctags($a) { + set j [lsearch -exact $arcids($a) $t] + if {$j >= $i} break + set tid $t + } + if {$tid ne {}} { + return $tid + } + } + set id $arcstart($a) + if {[info exists idtags($id)]} { + return $id + } + } + if {[info exists cached_dtags($id)]} { + return $cached_dtags($id) + } + + set origid $id + set todo [list $id] + set queued($id) 1 + set nc 1 + for {set i 0} {$i < [llength $todo] && $nc > 0} {incr i} { + set id [lindex $todo $i] + set done($id) 1 + set ta [info exists hastaggedancestor($id)] + if {!$ta} { + incr nc -1 + } + # ignore tags on starting node + if {!$ta && $i > 0} { + if {[info exists idtags($id)]} { + set tagloc($id) $id + set ta 1 + } elseif {[info exists cached_dtags($id)]} { + set tagloc($id) $cached_dtags($id) + set ta 1 + } + } + foreach a $arcnos($id) { + set d $arcstart($a) + if {!$ta && $arctags($a) ne {}} { + validate_arctags $a + if {$arctags($a) ne {}} { + lappend tagloc($id) [lindex $arctags($a) end] + } + } + if {$ta || $arctags($a) ne {}} { + set tomark [list $d] + for {set j 0} {$j < [llength $tomark]} {incr j} { + set dd [lindex $tomark $j] + if {![info exists hastaggedancestor($dd)]} { + if {[info exists done($dd)]} { + foreach b $arcnos($dd) { + lappend tomark $arcstart($b) + } + if {[info exists tagloc($dd)]} { + unset tagloc($dd) + } + } elseif {[info exists queued($dd)]} { + incr nc -1 + } + set hastaggedancestor($dd) 1 + } + } + } + if {![info exists queued($d)]} { + lappend todo $d + set queued($d) 1 + if {![info exists hastaggedancestor($d)]} { + incr nc + } + } + } + } + set tags {} + foreach id [array names tagloc] { + if {![info exists hastaggedancestor($id)]} { + foreach t $tagloc($id) { + if {[lsearch -exact $tags $t] < 0} { + lappend tags $t + } + } + } + } + set t2 [clock clicks -milliseconds] + set loopix $i + + # remove tags that are descendents of other tags + for {set i 0} {$i < [llength $tags]} {incr i} { + set a [lindex $tags $i] + for {set j 0} {$j < $i} {incr j} { + set b [lindex $tags $j] + set r [anc_or_desc $a $b] + if {$r == 1} { + set tags [lreplace $tags $j $j] + incr j -1 + incr i -1 + } elseif {$r == -1} { + set tags [lreplace $tags $i $i] + incr i -1 + break + } + } + } + + if {[array names growing] ne {}} { + # graph isn't finished, need to check if any tag could get + # eclipsed by another tag coming later. Simply ignore any + # tags that could later get eclipsed. + set ctags {} + foreach t $tags { + if {[is_certain $t $origid]} { + lappend ctags $t + } + } + if {$tags eq $ctags} { + set cached_dtags($origid) $tags + } else { + set tags $ctags + } + } else { + set cached_dtags($origid) $tags + } + set t3 [clock clicks -milliseconds] + if {0 && $t3 - $t1 >= 100} { + puts "iterating descendents ($loopix/[llength $todo] nodes) took\ + [expr {$t2-$t1}]+[expr {$t3-$t2}]ms, $nc candidates left" + } + return $tags +} + +proc anctags {id} { + global arcnos arcids arcout arcend arctags idtags allparents + global growing cached_atags + + if {![info exists allparents($id)]} { + return {} + } + set t1 [clock clicks -milliseconds] + set argid $id + if {[llength $arcnos($id)] == 1 && [llength $allparents($id)] == 1} { + # part-way along an arc; check that arc first + set a [lindex $arcnos($id) 0] + if {$arctags($a) ne {}} { + validate_arctags $a + set i [lsearch -exact $arcids($a) $id] + foreach t $arctags($a) { + set j [lsearch -exact $arcids($a) $t] + if {$j > $i} { + return $t + } + } + } + if {![info exists arcend($a)]} { + return {} + } + set id $arcend($a) + if {[info exists idtags($id)]} { + return $id + } + } + if {[info exists cached_atags($id)]} { + return $cached_atags($id) + } + + set origid $id + set todo [list $id] + set queued($id) 1 + set taglist {} + set nc 1 + for {set i 0} {$i < [llength $todo] && $nc > 0} {incr i} { + set id [lindex $todo $i] + set done($id) 1 + set td [info exists hastaggeddescendent($id)] + if {!$td} { + incr nc -1 + } + # ignore tags on starting node + if {!$td && $i > 0} { + if {[info exists idtags($id)]} { + set tagloc($id) $id + set td 1 + } elseif {[info exists cached_atags($id)]} { + set tagloc($id) $cached_atags($id) + set td 1 + } + } + foreach a $arcout($id) { + if {!$td && $arctags($a) ne {}} { + validate_arctags $a + if {$arctags($a) ne {}} { + lappend tagloc($id) [lindex $arctags($a) 0] + } + } + if {![info exists arcend($a)]} continue + set d $arcend($a) + if {$td || $arctags($a) ne {}} { + set tomark [list $d] + for {set j 0} {$j < [llength $tomark]} {incr j} { + set dd [lindex $tomark $j] + if {![info exists hastaggeddescendent($dd)]} { + if {[info exists done($dd)]} { + foreach b $arcout($dd) { + if {[info exists arcend($b)]} { + lappend tomark $arcend($b) + } + } + if {[info exists tagloc($dd)]} { + unset tagloc($dd) + } + } elseif {[info exists queued($dd)]} { + incr nc -1 + } + set hastaggeddescendent($dd) 1 + } + } + } + if {![info exists queued($d)]} { + lappend todo $d + set queued($d) 1 + if {![info exists hastaggeddescendent($d)]} { + incr nc + } + } + } + } + set t2 [clock clicks -milliseconds] + set loopix $i + set tags {} + foreach id [array names tagloc] { + if {![info exists hastaggeddescendent($id)]} { + foreach t $tagloc($id) { + if {[lsearch -exact $tags $t] < 0} { + lappend tags $t + } + } + } + } + + # remove tags that are ancestors of other tags + for {set i 0} {$i < [llength $tags]} {incr i} { + set a [lindex $tags $i] + for {set j 0} {$j < $i} {incr j} { + set b [lindex $tags $j] + set r [anc_or_desc $a $b] + if {$r == -1} { + set tags [lreplace $tags $j $j] + incr j -1 + incr i -1 + } elseif {$r == 1} { + set tags [lreplace $tags $i $i] + incr i -1 + break + } + } + } + + if {[array names growing] ne {}} { + # graph isn't finished, need to check if any tag could get + # eclipsed by another tag coming later. Simply ignore any + # tags that could later get eclipsed. + set ctags {} + foreach t $tags { + if {[is_certain $origid $t]} { + lappend ctags $t + } + } + if {$tags eq $ctags} { + set cached_atags($origid) $tags + } else { + set tags $ctags + } + } else { + set cached_atags($origid) $tags + } + set t3 [clock clicks -milliseconds] + if {0 && $t3 - $t1 >= 100} { + puts "iterating ancestors ($loopix/[llength $todo] nodes) took\ + [expr {$t2-$t1}]+[expr {$t3-$t2}]ms, $nc candidates left" + } + return $tags +} + +# Return the list of IDs that have heads that are descendents of id, +# including id itself if it has a head. +proc descheads {id} { + global arcnos arcstart arcids archeads idheads cached_dheads + global allparents + + if {![info exists allparents($id)]} { + return {} + } + set aret {} + if {[llength $arcnos($id)] == 1 && [llength $allparents($id)] == 1} { + # part-way along an arc; check it first + set a [lindex $arcnos($id) 0] + if {$archeads($a) ne {}} { + validate_archeads $a + set i [lsearch -exact $arcids($a) $id] + foreach t $archeads($a) { + set j [lsearch -exact $arcids($a) $t] + if {$j > $i} break + lappend aret $t + } + } + set id $arcstart($a) + } + set origid $id + set todo [list $id] + set seen($id) 1 + set ret {} + for {set i 0} {$i < [llength $todo]} {incr i} { + set id [lindex $todo $i] + if {[info exists cached_dheads($id)]} { + set ret [concat $ret $cached_dheads($id)] + } else { + if {[info exists idheads($id)]} { + lappend ret $id + } + foreach a $arcnos($id) { + if {$archeads($a) ne {}} { + validate_archeads $a + if {$archeads($a) ne {}} { + set ret [concat $ret $archeads($a)] + } + } + set d $arcstart($a) + if {![info exists seen($d)]} { + lappend todo $d + set seen($d) 1 + } + } + } + } + set ret [lsort -unique $ret] + set cached_dheads($origid) $ret + return [concat $ret $aret] +} + +proc addedtag {id} { + global arcnos arcout cached_dtags cached_atags + + if {![info exists arcnos($id)]} return + if {![info exists arcout($id)]} { + recalcarc [lindex $arcnos($id) 0] + } + catch {unset cached_dtags} + catch {unset cached_atags} +} + +proc addedhead {hid head} { + global arcnos arcout cached_dheads + + if {![info exists arcnos($hid)]} return + if {![info exists arcout($hid)]} { + recalcarc [lindex $arcnos($hid) 0] + } + catch {unset cached_dheads} +} + +proc removedhead {hid head} { + global cached_dheads + + catch {unset cached_dheads} +} + +proc movedhead {hid head} { + global arcnos arcout cached_dheads + + if {![info exists arcnos($hid)]} return + if {![info exists arcout($hid)]} { + recalcarc [lindex $arcnos($hid) 0] + } + catch {unset cached_dheads} +} + +proc changedrefs {} { + global cached_dheads cached_dtags cached_atags + global arctags archeads arcnos arcout idheads idtags + + foreach id [concat [array names idheads] [array names idtags]] { + if {[info exists arcnos($id)] && ![info exists arcout($id)]} { + set a [lindex $arcnos($id) 0] + if {![info exists donearc($a)]} { + recalcarc $a + set donearc($a) 1 + } + } + } + catch {unset cached_dtags} + catch {unset cached_atags} + catch {unset cached_dheads} +} + +proc rereadrefs {} { + global idtags idheads idotherrefs mainhead + + set refids [concat [array names idtags] \ + [array names idheads] [array names idotherrefs]] + foreach id $refids { + if {![info exists ref($id)]} { + set ref($id) [listrefs $id] + } + } + set oldmainhead $mainhead + readrefs + changedrefs + set refids [lsort -unique [concat $refids [array names idtags] \ + [array names idheads] [array names idotherrefs]]] + foreach id $refids { + set v [listrefs $id] + if {![info exists ref($id)] || $ref($id) != $v || + ($id eq $oldmainhead && $id ne $mainhead) || + ($id eq $mainhead && $id ne $oldmainhead)} { + redrawtags $id + } + } +} + +proc listrefs {id} { + global idtags idheads idotherrefs + + set x {} + if {[info exists idtags($id)]} { + set x $idtags($id) + } + set y {} + if {[info exists idheads($id)]} { + set y $idheads($id) + } + set z {} + if {[info exists idotherrefs($id)]} { + set z $idotherrefs($id) + } + return [list $x $y $z] +} + +proc showtag {tag isnew} { + global ctext tagcontents tagids linknum tagobjid + + if {$isnew} { + addtohistory [list showtag $tag 0] + } + $ctext conf -state normal + clear_ctext + set linknum 0 + if {![info exists tagcontents($tag)]} { + catch { + set tagcontents($tag) [exec git cat-file tag $tagobjid($tag)] + } + } + if {[info exists tagcontents($tag)]} { + set text $tagcontents($tag) + } else { + set text "Tag: $tag\nId: $tagids($tag)" + } + appendwithlinks $text {} + $ctext conf -state disabled + init_flist {} +} + +proc doquit {} { + global stopped + set stopped 100 + savestuff . + destroy . +} + +proc doprefs {} { + global maxwidth maxgraphpct diffopts + global oldprefs prefstop showneartags showlocalchanges + global bgcolor fgcolor ctext diffcolors selectbgcolor + global uifont tabstop + + set top .gitkprefs + set prefstop $top + if {[winfo exists $top]} { + raise $top + return + } + foreach v {maxwidth maxgraphpct diffopts showneartags showlocalchanges} { + set oldprefs($v) [set $v] + } + toplevel $top + wm title $top "Gitk preferences" + label $top.ldisp -text "Commit list display options" + $top.ldisp configure -font $uifont + grid $top.ldisp - -sticky w -pady 10 + label $top.spacer -text " " + label $top.maxwidthl -text "Maximum graph width (lines)" \ + -font optionfont + spinbox $top.maxwidth -from 0 -to 100 -width 4 -textvariable maxwidth + grid $top.spacer $top.maxwidthl $top.maxwidth -sticky w + label $top.maxpctl -text "Maximum graph width (% of pane)" \ + -font optionfont + spinbox $top.maxpct -from 1 -to 100 -width 4 -textvariable maxgraphpct + grid x $top.maxpctl $top.maxpct -sticky w + frame $top.showlocal + label $top.showlocal.l -text "Show local changes" -font optionfont + checkbutton $top.showlocal.b -variable showlocalchanges + pack $top.showlocal.b $top.showlocal.l -side left + grid x $top.showlocal -sticky w + + label $top.ddisp -text "Diff display options" + $top.ddisp configure -font $uifont + grid $top.ddisp - -sticky w -pady 10 + label $top.diffoptl -text "Options for diff program" \ + -font optionfont + entry $top.diffopt -width 20 -textvariable diffopts + grid x $top.diffoptl $top.diffopt -sticky w + frame $top.ntag + label $top.ntag.l -text "Display nearby tags" -font optionfont + checkbutton $top.ntag.b -variable showneartags + pack $top.ntag.b $top.ntag.l -side left + grid x $top.ntag -sticky w + label $top.tabstopl -text "tabstop" -font optionfont + spinbox $top.tabstop -from 1 -to 20 -width 4 -textvariable tabstop + grid x $top.tabstopl $top.tabstop -sticky w + + label $top.cdisp -text "Colors: press to choose" + $top.cdisp configure -font $uifont + grid $top.cdisp - -sticky w -pady 10 + label $top.bg -padx 40 -relief sunk -background $bgcolor + button $top.bgbut -text "Background" -font optionfont \ + -command [list choosecolor bgcolor 0 $top.bg background setbg] + grid x $top.bgbut $top.bg -sticky w + label $top.fg -padx 40 -relief sunk -background $fgcolor + button $top.fgbut -text "Foreground" -font optionfont \ + -command [list choosecolor fgcolor 0 $top.fg foreground setfg] + grid x $top.fgbut $top.fg -sticky w + label $top.diffold -padx 40 -relief sunk -background [lindex $diffcolors 0] + button $top.diffoldbut -text "Diff: old lines" -font optionfont \ + -command [list choosecolor diffcolors 0 $top.diffold "diff old lines" \ + [list $ctext tag conf d0 -foreground]] + grid x $top.diffoldbut $top.diffold -sticky w + label $top.diffnew -padx 40 -relief sunk -background [lindex $diffcolors 1] + button $top.diffnewbut -text "Diff: new lines" -font optionfont \ + -command [list choosecolor diffcolors 1 $top.diffnew "diff new lines" \ + [list $ctext tag conf d1 -foreground]] + grid x $top.diffnewbut $top.diffnew -sticky w + label $top.hunksep -padx 40 -relief sunk -background [lindex $diffcolors 2] + button $top.hunksepbut -text "Diff: hunk header" -font optionfont \ + -command [list choosecolor diffcolors 2 $top.hunksep \ + "diff hunk header" \ + [list $ctext tag conf hunksep -foreground]] + grid x $top.hunksepbut $top.hunksep -sticky w + label $top.selbgsep -padx 40 -relief sunk -background $selectbgcolor + button $top.selbgbut -text "Select bg" -font optionfont \ + -command [list choosecolor selectbgcolor 0 $top.selbgsep background setselbg] + grid x $top.selbgbut $top.selbgsep -sticky w + + frame $top.buts + button $top.buts.ok -text "OK" -command prefsok -default active + $top.buts.ok configure -font $uifont + button $top.buts.can -text "Cancel" -command prefscan -default normal + $top.buts.can configure -font $uifont + grid $top.buts.ok $top.buts.can + grid columnconfigure $top.buts 0 -weight 1 -uniform a + grid columnconfigure $top.buts 1 -weight 1 -uniform a + grid $top.buts - - -pady 10 -sticky ew + bind $top <Visibility> "focus $top.buts.ok" +} + +proc choosecolor {v vi w x cmd} { + global $v + + set c [tk_chooseColor -initialcolor [lindex [set $v] $vi] \ + -title "Gitk: choose color for $x"] + if {$c eq {}} return + $w conf -background $c + lset $v $vi $c + eval $cmd $c +} + +proc setselbg {c} { + global bglist cflist + foreach w $bglist { + $w configure -selectbackground $c + } + $cflist tag configure highlight \ + -background [$cflist cget -selectbackground] + allcanvs itemconf secsel -fill $c +} + +proc setbg {c} { + global bglist + + foreach w $bglist { + $w conf -background $c + } +} + +proc setfg {c} { + global fglist canv + + foreach w $fglist { + $w conf -foreground $c + } + allcanvs itemconf text -fill $c + $canv itemconf circle -outline $c +} + +proc prefscan {} { + global maxwidth maxgraphpct diffopts + global oldprefs prefstop showneartags showlocalchanges + + foreach v {maxwidth maxgraphpct diffopts showneartags showlocalchanges} { + set $v $oldprefs($v) + } + catch {destroy $prefstop} + unset prefstop +} + +proc prefsok {} { + global maxwidth maxgraphpct + global oldprefs prefstop showneartags showlocalchanges + global charspc ctext tabstop + + catch {destroy $prefstop} + unset prefstop + $ctext configure -tabs "[expr {$tabstop * $charspc}]" + if {$showlocalchanges != $oldprefs(showlocalchanges)} { + if {$showlocalchanges} { + doshowlocalchanges + } else { + dohidelocalchanges + } + } + if {$maxwidth != $oldprefs(maxwidth) + || $maxgraphpct != $oldprefs(maxgraphpct)} { + redisplay + } elseif {$showneartags != $oldprefs(showneartags)} { + reselectline + } +} + +proc formatdate {d} { + if {$d ne {}} { + set d [clock format $d -format "%Y-%m-%d %H:%M:%S"] + } + return $d +} + +# This list of encoding names and aliases is distilled from +# http://www.iana.org/assignments/character-sets. +# Not all of them are supported by Tcl. +set encoding_aliases { + { ANSI_X3.4-1968 iso-ir-6 ANSI_X3.4-1986 ISO_646.irv:1991 ASCII + ISO646-US US-ASCII us IBM367 cp367 csASCII } + { ISO-10646-UTF-1 csISO10646UTF1 } + { ISO_646.basic:1983 ref csISO646basic1983 } + { INVARIANT csINVARIANT } + { ISO_646.irv:1983 iso-ir-2 irv csISO2IntlRefVersion } + { BS_4730 iso-ir-4 ISO646-GB gb uk csISO4UnitedKingdom } + { NATS-SEFI iso-ir-8-1 csNATSSEFI } + { NATS-SEFI-ADD iso-ir-8-2 csNATSSEFIADD } + { NATS-DANO iso-ir-9-1 csNATSDANO } + { NATS-DANO-ADD iso-ir-9-2 csNATSDANOADD } + { SEN_850200_B iso-ir-10 FI ISO646-FI ISO646-SE se csISO10Swedish } + { SEN_850200_C iso-ir-11 ISO646-SE2 se2 csISO11SwedishForNames } + { KS_C_5601-1987 iso-ir-149 KS_C_5601-1989 KSC_5601 korean csKSC56011987 } + { ISO-2022-KR csISO2022KR } + { EUC-KR csEUCKR } + { ISO-2022-JP csISO2022JP } + { ISO-2022-JP-2 csISO2022JP2 } + { JIS_C6220-1969-jp JIS_C6220-1969 iso-ir-13 katakana x0201-7 + csISO13JISC6220jp } + { JIS_C6220-1969-ro iso-ir-14 jp ISO646-JP csISO14JISC6220ro } + { IT iso-ir-15 ISO646-IT csISO15Italian } + { PT iso-ir-16 ISO646-PT csISO16Portuguese } + { ES iso-ir-17 ISO646-ES csISO17Spanish } + { greek7-old iso-ir-18 csISO18Greek7Old } + { latin-greek iso-ir-19 csISO19LatinGreek } + { DIN_66003 iso-ir-21 de ISO646-DE csISO21German } + { NF_Z_62-010_(1973) iso-ir-25 ISO646-FR1 csISO25French } + { Latin-greek-1 iso-ir-27 csISO27LatinGreek1 } + { ISO_5427 iso-ir-37 csISO5427Cyrillic } + { JIS_C6226-1978 iso-ir-42 csISO42JISC62261978 } + { BS_viewdata iso-ir-47 csISO47BSViewdata } + { INIS iso-ir-49 csISO49INIS } + { INIS-8 iso-ir-50 csISO50INIS8 } + { INIS-cyrillic iso-ir-51 csISO51INISCyrillic } + { ISO_5427:1981 iso-ir-54 ISO5427Cyrillic1981 } + { ISO_5428:1980 iso-ir-55 csISO5428Greek } + { GB_1988-80 iso-ir-57 cn ISO646-CN csISO57GB1988 } + { GB_2312-80 iso-ir-58 chinese csISO58GB231280 } + { NS_4551-1 iso-ir-60 ISO646-NO no csISO60DanishNorwegian + csISO60Norwegian1 } + { NS_4551-2 ISO646-NO2 iso-ir-61 no2 csISO61Norwegian2 } + { NF_Z_62-010 iso-ir-69 ISO646-FR fr csISO69French } + { videotex-suppl iso-ir-70 csISO70VideotexSupp1 } + { PT2 iso-ir-84 ISO646-PT2 csISO84Portuguese2 } + { ES2 iso-ir-85 ISO646-ES2 csISO85Spanish2 } + { MSZ_7795.3 iso-ir-86 ISO646-HU hu csISO86Hungarian } + { JIS_C6226-1983 iso-ir-87 x0208 JIS_X0208-1983 csISO87JISX0208 } + { greek7 iso-ir-88 csISO88Greek7 } + { ASMO_449 ISO_9036 arabic7 iso-ir-89 csISO89ASMO449 } + { iso-ir-90 csISO90 } + { JIS_C6229-1984-a iso-ir-91 jp-ocr-a csISO91JISC62291984a } + { JIS_C6229-1984-b iso-ir-92 ISO646-JP-OCR-B jp-ocr-b + csISO92JISC62991984b } + { JIS_C6229-1984-b-add iso-ir-93 jp-ocr-b-add csISO93JIS62291984badd } + { JIS_C6229-1984-hand iso-ir-94 jp-ocr-hand csISO94JIS62291984hand } + { JIS_C6229-1984-hand-add iso-ir-95 jp-ocr-hand-add + csISO95JIS62291984handadd } + { JIS_C6229-1984-kana iso-ir-96 csISO96JISC62291984kana } + { ISO_2033-1983 iso-ir-98 e13b csISO2033 } + { ANSI_X3.110-1983 iso-ir-99 CSA_T500-1983 NAPLPS csISO99NAPLPS } + { ISO_8859-1:1987 iso-ir-100 ISO_8859-1 ISO-8859-1 latin1 l1 IBM819 + CP819 csISOLatin1 } + { ISO_8859-2:1987 iso-ir-101 ISO_8859-2 ISO-8859-2 latin2 l2 csISOLatin2 } + { T.61-7bit iso-ir-102 csISO102T617bit } + { T.61-8bit T.61 iso-ir-103 csISO103T618bit } + { ISO_8859-3:1988 iso-ir-109 ISO_8859-3 ISO-8859-3 latin3 l3 csISOLatin3 } + { ISO_8859-4:1988 iso-ir-110 ISO_8859-4 ISO-8859-4 latin4 l4 csISOLatin4 } + { ECMA-cyrillic iso-ir-111 KOI8-E csISO111ECMACyrillic } + { CSA_Z243.4-1985-1 iso-ir-121 ISO646-CA csa7-1 ca csISO121Canadian1 } + { CSA_Z243.4-1985-2 iso-ir-122 ISO646-CA2 csa7-2 csISO122Canadian2 } + { CSA_Z243.4-1985-gr iso-ir-123 csISO123CSAZ24341985gr } + { ISO_8859-6:1987 iso-ir-127 ISO_8859-6 ISO-8859-6 ECMA-114 ASMO-708 + arabic csISOLatinArabic } + { ISO_8859-6-E csISO88596E ISO-8859-6-E } + { ISO_8859-6-I csISO88596I ISO-8859-6-I } + { ISO_8859-7:1987 iso-ir-126 ISO_8859-7 ISO-8859-7 ELOT_928 ECMA-118 + greek greek8 csISOLatinGreek } + { T.101-G2 iso-ir-128 csISO128T101G2 } + { ISO_8859-8:1988 iso-ir-138 ISO_8859-8 ISO-8859-8 hebrew + csISOLatinHebrew } + { ISO_8859-8-E csISO88598E ISO-8859-8-E } + { ISO_8859-8-I csISO88598I ISO-8859-8-I } + { CSN_369103 iso-ir-139 csISO139CSN369103 } + { JUS_I.B1.002 iso-ir-141 ISO646-YU js yu csISO141JUSIB1002 } + { ISO_6937-2-add iso-ir-142 csISOTextComm } + { IEC_P27-1 iso-ir-143 csISO143IECP271 } + { ISO_8859-5:1988 iso-ir-144 ISO_8859-5 ISO-8859-5 cyrillic + csISOLatinCyrillic } + { JUS_I.B1.003-serb iso-ir-146 serbian csISO146Serbian } + { JUS_I.B1.003-mac macedonian iso-ir-147 csISO147Macedonian } + { ISO_8859-9:1989 iso-ir-148 ISO_8859-9 ISO-8859-9 latin5 l5 csISOLatin5 } + { greek-ccitt iso-ir-150 csISO150 csISO150GreekCCITT } + { NC_NC00-10:81 cuba iso-ir-151 ISO646-CU csISO151Cuba } + { ISO_6937-2-25 iso-ir-152 csISO6937Add } + { GOST_19768-74 ST_SEV_358-88 iso-ir-153 csISO153GOST1976874 } + { ISO_8859-supp iso-ir-154 latin1-2-5 csISO8859Supp } + { ISO_10367-box iso-ir-155 csISO10367Box } + { ISO-8859-10 iso-ir-157 l6 ISO_8859-10:1992 csISOLatin6 latin6 } + { latin-lap lap iso-ir-158 csISO158Lap } + { JIS_X0212-1990 x0212 iso-ir-159 csISO159JISX02121990 } + { DS_2089 DS2089 ISO646-DK dk csISO646Danish } + { us-dk csUSDK } + { dk-us csDKUS } + { JIS_X0201 X0201 csHalfWidthKatakana } + { KSC5636 ISO646-KR csKSC5636 } + { ISO-10646-UCS-2 csUnicode } + { ISO-10646-UCS-4 csUCS4 } + { DEC-MCS dec csDECMCS } + { hp-roman8 roman8 r8 csHPRoman8 } + { macintosh mac csMacintosh } + { IBM037 cp037 ebcdic-cp-us ebcdic-cp-ca ebcdic-cp-wt ebcdic-cp-nl + csIBM037 } + { IBM038 EBCDIC-INT cp038 csIBM038 } + { IBM273 CP273 csIBM273 } + { IBM274 EBCDIC-BE CP274 csIBM274 } + { IBM275 EBCDIC-BR cp275 csIBM275 } + { IBM277 EBCDIC-CP-DK EBCDIC-CP-NO csIBM277 } + { IBM278 CP278 ebcdic-cp-fi ebcdic-cp-se csIBM278 } + { IBM280 CP280 ebcdic-cp-it csIBM280 } + { IBM281 EBCDIC-JP-E cp281 csIBM281 } + { IBM284 CP284 ebcdic-cp-es csIBM284 } + { IBM285 CP285 ebcdic-cp-gb csIBM285 } + { IBM290 cp290 EBCDIC-JP-kana csIBM290 } + { IBM297 cp297 ebcdic-cp-fr csIBM297 } + { IBM420 cp420 ebcdic-cp-ar1 csIBM420 } + { IBM423 cp423 ebcdic-cp-gr csIBM423 } + { IBM424 cp424 ebcdic-cp-he csIBM424 } + { IBM437 cp437 437 csPC8CodePage437 } + { IBM500 CP500 ebcdic-cp-be ebcdic-cp-ch csIBM500 } + { IBM775 cp775 csPC775Baltic } + { IBM850 cp850 850 csPC850Multilingual } + { IBM851 cp851 851 csIBM851 } + { IBM852 cp852 852 csPCp852 } + { IBM855 cp855 855 csIBM855 } + { IBM857 cp857 857 csIBM857 } + { IBM860 cp860 860 csIBM860 } + { IBM861 cp861 861 cp-is csIBM861 } + { IBM862 cp862 862 csPC862LatinHebrew } + { IBM863 cp863 863 csIBM863 } + { IBM864 cp864 csIBM864 } + { IBM865 cp865 865 csIBM865 } + { IBM866 cp866 866 csIBM866 } + { IBM868 CP868 cp-ar csIBM868 } + { IBM869 cp869 869 cp-gr csIBM869 } + { IBM870 CP870 ebcdic-cp-roece ebcdic-cp-yu csIBM870 } + { IBM871 CP871 ebcdic-cp-is csIBM871 } + { IBM880 cp880 EBCDIC-Cyrillic csIBM880 } + { IBM891 cp891 csIBM891 } + { IBM903 cp903 csIBM903 } + { IBM904 cp904 904 csIBBM904 } + { IBM905 CP905 ebcdic-cp-tr csIBM905 } + { IBM918 CP918 ebcdic-cp-ar2 csIBM918 } + { IBM1026 CP1026 csIBM1026 } + { EBCDIC-AT-DE csIBMEBCDICATDE } + { EBCDIC-AT-DE-A csEBCDICATDEA } + { EBCDIC-CA-FR csEBCDICCAFR } + { EBCDIC-DK-NO csEBCDICDKNO } + { EBCDIC-DK-NO-A csEBCDICDKNOA } + { EBCDIC-FI-SE csEBCDICFISE } + { EBCDIC-FI-SE-A csEBCDICFISEA } + { EBCDIC-FR csEBCDICFR } + { EBCDIC-IT csEBCDICIT } + { EBCDIC-PT csEBCDICPT } + { EBCDIC-ES csEBCDICES } + { EBCDIC-ES-A csEBCDICESA } + { EBCDIC-ES-S csEBCDICESS } + { EBCDIC-UK csEBCDICUK } + { EBCDIC-US csEBCDICUS } + { UNKNOWN-8BIT csUnknown8BiT } + { MNEMONIC csMnemonic } + { MNEM csMnem } + { VISCII csVISCII } + { VIQR csVIQR } + { KOI8-R csKOI8R } + { IBM00858 CCSID00858 CP00858 PC-Multilingual-850+euro } + { IBM00924 CCSID00924 CP00924 ebcdic-Latin9--euro } + { IBM01140 CCSID01140 CP01140 ebcdic-us-37+euro } + { IBM01141 CCSID01141 CP01141 ebcdic-de-273+euro } + { IBM01142 CCSID01142 CP01142 ebcdic-dk-277+euro ebcdic-no-277+euro } + { IBM01143 CCSID01143 CP01143 ebcdic-fi-278+euro ebcdic-se-278+euro } + { IBM01144 CCSID01144 CP01144 ebcdic-it-280+euro } + { IBM01145 CCSID01145 CP01145 ebcdic-es-284+euro } + { IBM01146 CCSID01146 CP01146 ebcdic-gb-285+euro } + { IBM01147 CCSID01147 CP01147 ebcdic-fr-297+euro } + { IBM01148 CCSID01148 CP01148 ebcdic-international-500+euro } + { IBM01149 CCSID01149 CP01149 ebcdic-is-871+euro } + { IBM1047 IBM-1047 } + { PTCP154 csPTCP154 PT154 CP154 Cyrillic-Asian } + { Amiga-1251 Ami1251 Amiga1251 Ami-1251 } + { UNICODE-1-1 csUnicode11 } + { CESU-8 csCESU-8 } + { BOCU-1 csBOCU-1 } + { UNICODE-1-1-UTF-7 csUnicode11UTF7 } + { ISO-8859-14 iso-ir-199 ISO_8859-14:1998 ISO_8859-14 latin8 iso-celtic + l8 } + { ISO-8859-15 ISO_8859-15 Latin-9 } + { ISO-8859-16 iso-ir-226 ISO_8859-16:2001 ISO_8859-16 latin10 l10 } + { GBK CP936 MS936 windows-936 } + { JIS_Encoding csJISEncoding } + { Shift_JIS MS_Kanji csShiftJIS } + { Extended_UNIX_Code_Packed_Format_for_Japanese csEUCPkdFmtJapanese + EUC-JP } + { Extended_UNIX_Code_Fixed_Width_for_Japanese csEUCFixWidJapanese } + { ISO-10646-UCS-Basic csUnicodeASCII } + { ISO-10646-Unicode-Latin1 csUnicodeLatin1 ISO-10646 } + { ISO-Unicode-IBM-1261 csUnicodeIBM1261 } + { ISO-Unicode-IBM-1268 csUnicodeIBM1268 } + { ISO-Unicode-IBM-1276 csUnicodeIBM1276 } + { ISO-Unicode-IBM-1264 csUnicodeIBM1264 } + { ISO-Unicode-IBM-1265 csUnicodeIBM1265 } + { ISO-8859-1-Windows-3.0-Latin-1 csWindows30Latin1 } + { ISO-8859-1-Windows-3.1-Latin-1 csWindows31Latin1 } + { ISO-8859-2-Windows-Latin-2 csWindows31Latin2 } + { ISO-8859-9-Windows-Latin-5 csWindows31Latin5 } + { Adobe-Standard-Encoding csAdobeStandardEncoding } + { Ventura-US csVenturaUS } + { Ventura-International csVenturaInternational } + { PC8-Danish-Norwegian csPC8DanishNorwegian } + { PC8-Turkish csPC8Turkish } + { IBM-Symbols csIBMSymbols } + { IBM-Thai csIBMThai } + { HP-Legal csHPLegal } + { HP-Pi-font csHPPiFont } + { HP-Math8 csHPMath8 } + { Adobe-Symbol-Encoding csHPPSMath } + { HP-DeskTop csHPDesktop } + { Ventura-Math csVenturaMath } + { Microsoft-Publishing csMicrosoftPublishing } + { Windows-31J csWindows31J } + { GB2312 csGB2312 } + { Big5 csBig5 } +} + +proc tcl_encoding {enc} { + global encoding_aliases + set names [encoding names] + set lcnames [string tolower $names] + set enc [string tolower $enc] + set i [lsearch -exact $lcnames $enc] + if {$i < 0} { + # look for "isonnn" instead of "iso-nnn" or "iso_nnn" + if {[regsub {^iso[-_]} $enc iso encx]} { + set i [lsearch -exact $lcnames $encx] + } + } + if {$i < 0} { + foreach l $encoding_aliases { + set ll [string tolower $l] + if {[lsearch -exact $ll $enc] < 0} continue + # look through the aliases for one that tcl knows about + foreach e $ll { + set i [lsearch -exact $lcnames $e] + if {$i < 0} { + if {[regsub {^iso[-_]} $e iso ex]} { + set i [lsearch -exact $lcnames $ex] + } + } + if {$i >= 0} break + } + break + } + } + if {$i >= 0} { + return [lindex $names $i] + } + return {} +} + +# defaults... +set datemode 0 +set diffopts "-U 5 -p" +set wrcomcmd "git diff-tree --stdin -p --pretty" + +set gitencoding {} +catch { + set gitencoding [exec git config --get i18n.commitencoding] +} +if {$gitencoding == ""} { + set gitencoding "utf-8" +} +set tclencoding [tcl_encoding $gitencoding] +if {$tclencoding == {}} { + puts stderr "Warning: encoding $gitencoding is not supported by Tcl/Tk" +} + +set mainfont {Helvetica 9} +set textfont {Courier 9} +set uifont {Helvetica 9 bold} +set tabstop 8 +set findmergefiles 0 +set maxgraphpct 50 +set maxwidth 16 +set revlistorder 0 +set fastdate 0 +set uparrowlen 7 +set downarrowlen 7 +set mingaplen 30 +set cmitmode "patch" +set wrapcomment "none" +set showneartags 1 +set maxrefs 20 +set maxlinelen 200 +set showlocalchanges 1 + +set colors {green red blue magenta darkgrey brown orange} +set bgcolor white +set fgcolor black +set diffcolors {red "#00a000" blue} +set selectbgcolor gray85 + +catch {source ~/.gitk} + +font create optionfont -family sans-serif -size -12 + +# check that we can find a .git directory somewhere... +set gitdir [gitdir] +if {![file isdirectory $gitdir]} { + show_error {} . "Cannot find the git directory \"$gitdir\"." + exit 1 +} + +set revtreeargs {} +set cmdline_files {} +set i 0 +foreach arg $argv { + switch -- $arg { + "" { } + "-d" { set datemode 1 } + "--" { + set cmdline_files [lrange $argv [expr {$i + 1}] end] + break + } + default { + lappend revtreeargs $arg + } + } + incr i +} + +if {$i >= [llength $argv] && $revtreeargs ne {}} { + # no -- on command line, but some arguments (other than -d) + if {[catch { + set f [eval exec git rev-parse --no-revs --no-flags $revtreeargs] + set cmdline_files [split $f "\n"] + set n [llength $cmdline_files] + set revtreeargs [lrange $revtreeargs 0 end-$n] + # Unfortunately git rev-parse doesn't produce an error when + # something is both a revision and a filename. To be consistent + # with git log and git rev-list, check revtreeargs for filenames. + foreach arg $revtreeargs { + if {[file exists $arg]} { + show_error {} . "Ambiguous argument '$arg': both revision\ + and filename" + exit 1 + } + } + } err]} { + # unfortunately we get both stdout and stderr in $err, + # so look for "fatal:". + set i [string first "fatal:" $err] + if {$i > 0} { + set err [string range $err [expr {$i + 6}] end] + } + show_error {} . "Bad arguments to gitk:\n$err" + exit 1 + } +} + +set nullid "0000000000000000000000000000000000000000" +set nullid2 "0000000000000000000000000000000000000001" + + +set runq {} +set history {} +set historyindex 0 +set fh_serial 0 +set nhl_names {} +set highlight_paths {} +set searchdirn -forwards +set boldrows {} +set boldnamerows {} +set diffelide {0 0} +set markingmatches 0 + +set optim_delay 16 + +set nextviewnum 1 +set curview 0 +set selectedview 0 +set selectedhlview None +set viewfiles(0) {} +set viewperm(0) 0 +set viewargs(0) {} + +set cmdlineok 0 +set stopped 0 +set stuffsaved 0 +set patchnum 0 +set lookingforhead 0 +set localirow -1 +set localfrow -1 +set lserial 0 +setcoords +makewindow +# wait for the window to become visible +tkwait visibility . +wm title . "[file tail $argv0]: [file tail [pwd]]" +readrefs + +if {$cmdline_files ne {} || $revtreeargs ne {}} { + # create a view for the files/dirs specified on the command line + set curview 1 + set selectedview 1 + set nextviewnum 2 + set viewname(1) "Command line" + set viewfiles(1) $cmdline_files + set viewargs(1) $revtreeargs + set viewperm(1) 0 + addviewmenu 1 + .bar.view entryconf Edit* -state normal + .bar.view entryconf Delete* -state normal +} + +if {[info exists permviews]} { + foreach v $permviews { + set n $nextviewnum + incr nextviewnum + set viewname($n) [lindex $v 0] + set viewfiles($n) [lindex $v 1] + set viewargs($n) [lindex $v 2] + set viewperm($n) 1 + addviewmenu $n + } +} +getcommits |