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Overview
Comment:Cleanup of global variable usage.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: ef2a6449e0fe34202142033d7cf1da6d3771dc51
User & Date: peter.spjuth@gmail.com 2011-05-27 06:09:19.000
Context
2011-09-30
23:07
Run tests from source to support code coverage. check-in: a97748bfa1 user: peter.spjuth@gmail.com tags: trunk
2011-05-27
06:09
Cleanup of global variable usage. check-in: ef2a6449e0 user: peter.spjuth@gmail.com tags: trunk
2011-05-10
22:40
Added balloon help on toolbuttons. Rearranged images. check-in: 0fbbd7316a user: peter.spjuth@gmail.com tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/clip.tcl.
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}

proc DoClipDiff {} {
    set f1 [tmpFile]
    set f2 [tmpFile]

    set ch [open $f1 w]
    set data1 [$::diff(wClip1) get 1.0 end]
    set data1 [ClipClean $data1]
    puts $ch $data1
    close $ch

    set ch [open $f2 w]
    set data2 [$::diff(wClip2) get 1.0 end]
    set data2 [ClipClean $data2]
    puts $ch $data2
    close $ch

    #set line1 [split $data1 \n]
    #set len1  [llength $line1]
    #set line2 [split $data2 \n]








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}

proc DoClipDiff {} {
    set f1 [tmpFile]
    set f2 [tmpFile]

    set ch [open $f1 w]
    set data1 [$::eskil(wClip1) get 1.0 end]
    set data1 [ClipClean $data1]
    puts $ch $data1
    close $ch

    set ch [open $f2 w]
    set data2 [$::eskil(wClip2) get 1.0 end]
    set data2 [ClipClean $data2]
    puts $ch $data2
    close $ch

    #set line1 [split $data1 \n]
    #set len1  [llength $line1]
    #set line2 [split $data2 \n]
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        $::widgets($top,wLine1) configure -height 1
        $t2 configure -height $lines2
        $::widgets($top,wLine2) configure -height 1
    }
}

proc ArmCatch {} {
    if {$::diff(armcatch)} {
        bind .clipdiff <FocusOut> {
            if {[string equal %W .clipdiff]} {
                after 50 CatchFromWin
            }
        }
    } else {
        bind .clipdiff <FocusOut> {}
    }
}

proc CatchFromWin {} {
    set ::diff(armcatch) 0
    ArmCatch
    set win [twapi::get_foreground_window]
    if {$win eq ""} {
        #puts "No fg window"
        return
    }
    #puts "Locating windows"








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        $::widgets($top,wLine1) configure -height 1
        $t2 configure -height $lines2
        $::widgets($top,wLine2) configure -height 1
    }
}

proc ArmCatch {} {
    if {$::eskil(armcatch)} {
        bind .clipdiff <FocusOut> {
            if {[string equal %W .clipdiff]} {
                after 50 CatchFromWin
            }
        }
    } else {
        bind .clipdiff <FocusOut> {}
    }
}

proc CatchFromWin {} {
    set ::eskil(armcatch) 0
    ArmCatch
    set win [twapi::get_foreground_window]
    if {$win eq ""} {
        #puts "No fg window"
        return
    }
    #puts "Locating windows"
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        twapi::send_keys ^(ac)
        after 50 "set ::CatchFromWinWait 1" ; vwait ::CatchFromWinWait
        lassign [twapi::get_window_coordinates $win] x1 y1 x2 y2
        if {[catch {clipboard get} text]} continue
        if {$text eq ""} continue
        lappend capturedData [list $x1 $text]
    }
    $::diff(wClip1) delete 1.0 end
    $::diff(wClip2) delete 1.0 end
    if {[llength $capturedData] == 0} return
    # Set it up left-to-right
    set capturedData [lsort -index 0 -integer $capturedData]
    if {[llength $capturedData] >= 1} {
        set text [lindex $capturedData 0 1]
        $::diff(wClip1) insert end $text
    }
    if {[llength $capturedData] >= 2} {
        set text [lindex $capturedData 1 1]
        $::diff(wClip2) insert end $text
        after idle DoClipDiff
    }
}

proc makeClipDiffWin {} {
    set top .clipdiff
    if {[winfo exists $top] && [winfo toplevel $top] eq $top} {








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        twapi::send_keys ^(ac)
        after 50 "set ::CatchFromWinWait 1" ; vwait ::CatchFromWinWait
        lassign [twapi::get_window_coordinates $win] x1 y1 x2 y2
        if {[catch {clipboard get} text]} continue
        if {$text eq ""} continue
        lappend capturedData [list $x1 $text]
    }
    $::eskil(wClip1) delete 1.0 end
    $::eskil(wClip2) delete 1.0 end
    if {[llength $capturedData] == 0} return
    # Set it up left-to-right
    set capturedData [lsort -index 0 -integer $capturedData]
    if {[llength $capturedData] >= 1} {
        set text [lindex $capturedData 0 1]
        $::eskil(wClip1) insert end $text
    }
    if {[llength $capturedData] >= 2} {
        set text [lindex $capturedData 1 1]
        $::eskil(wClip2) insert end $text
        after idle DoClipDiff
    }
}

proc makeClipDiffWin {} {
    set top .clipdiff
    if {[winfo exists $top] && [winfo toplevel $top] eq $top} {
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    wm title $top "Clip Diff"
    wm protocol $top WM_DELETE_WINDOW "cleanupAndExit $top"
    set t1 [Scroll both \
            text $top.t1 -width 60 -height 35 -font myfont]
    set t2 [Scroll both \
            text $top.t2 -width 60 -height 35 -font myfont]

    set ::diff(wClip1) $t1
    set ::diff(wClip2) $t2

    bind $t1 <Control-o> [list focus $t2]
    bind $t2 <Control-o> [list focus $t1]

    ttk::frame $top.f
    menubutton $top.f.mf -menu $top.f.mf.m -text "File" -underline 0
    menu $top.f.mf.m








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    wm title $top "Clip Diff"
    wm protocol $top WM_DELETE_WINDOW "cleanupAndExit $top"
    set t1 [Scroll both \
            text $top.t1 -width 60 -height 35 -font myfont]
    set t2 [Scroll both \
            text $top.t2 -width 60 -height 35 -font myfont]

    set ::eskil(wClip1) $t1
    set ::eskil(wClip2) $t2

    bind $t1 <Control-o> [list focus $t2]
    bind $t2 <Control-o> [list focus $t1]

    ttk::frame $top.f
    menubutton $top.f.mf -menu $top.f.mf.m -text "File" -underline 0
    menu $top.f.mf.m
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            -padx 4 -pady 2 -sticky "w"
    grid $top.f.mf -sticky nw -pady 0 -padx 0
    grid columnconfigure $top.f {0 3 5 8} -weight 1
    grid columnconfigure $top.f 8 -minsize [winfo reqwidth $top.f.mf]

    if {![catch {package require twapi}]} {
        ttk::checkbutton $top.f.b6 -text "Capture" -command ArmCatch \
                -underline 0 -variable ::diff(armcatch)
        bind $top <Alt-c> [list $top.f.b6 invoke]
        #raise $top.f.b6
        place $top.f.b6 -anchor e -relx 1.0 -rely 0.5
    }

    grid $top.f    -       -sticky we
    grid $top.t1   $top.t2 -sticky news
    grid $top.t2 -padx {2 0}
    grid rowconfigure    $top 1     -weight 1
    grid columnconfigure $top {0 1} -weight 1
    return $top
}








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            -padx 4 -pady 2 -sticky "w"
    grid $top.f.mf -sticky nw -pady 0 -padx 0
    grid columnconfigure $top.f {0 3 5 8} -weight 1
    grid columnconfigure $top.f 8 -minsize [winfo reqwidth $top.f.mf]

    if {![catch {package require twapi}]} {
        ttk::checkbutton $top.f.b6 -text "Capture" -command ArmCatch \
                -underline 0 -variable ::eskil(armcatch)
        bind $top <Alt-c> [list $top.f.b6 invoke]
        #raise $top.f.b6
        place $top.f.b6 -anchor e -relx 1.0 -rely 0.5
    }

    grid $top.f    -       -sticky we
    grid $top.t1   $top.t2 -sticky news
    grid $top.t2 -padx {2 0}
    grid rowconfigure    $top 1     -weight 1
    grid columnconfigure $top {0 1} -weight 1
    return $top
}
Changes to src/dirdiff.tcl.
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#  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
#  Boston, MA 02111-1307, USA.
#
#----------------------------------------------------------------------
# $Revision$
#----------------------------------------------------------------------

package require tablelist_tile

# Compare file names
proc FStrCmp {s1 s2} {
    # Equality is based on platform's standard
    # Order is dictionary order

    # Exact equal is equal regardless of platform.
    if {$s1 eq $s2} {








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#  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
#  Boston, MA 02111-1307, USA.
#
#----------------------------------------------------------------------
# $Revision$
#----------------------------------------------------------------------



# Compare file names
proc FStrCmp {s1 s2} {
    # Equality is based on platform's standard
    # Order is dictionary order

    # Exact equal is equal regardless of platform.
    if {$s1 eq $s2} {
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Changes to src/eskil.tcl.
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# Do initalisations for needed packages and globals.
# This is not run until needed to speed up command line error reporting.
proc Init {} {
    package require Tk 8.4
    catch {package require textSearch}
    package require wcb
    package require snit


    if {[catch {package require psballoon}]} {
        # Add a dummy if it does not exist.
        proc addBalloon {args} {}
    } else {
        namespace import -force psballoon::addBalloon
    }








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# Do initalisations for needed packages and globals.
# This is not run until needed to speed up command line error reporting.
proc Init {} {
    package require Tk 8.4
    catch {package require textSearch}
    package require wcb
    package require snit
    package require tablelist_tile

    if {[catch {package require psballoon}]} {
        # Add a dummy if it does not exist.
        proc addBalloon {args} {}
    } else {
        namespace import -force psballoon::addBalloon
    }
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    source $::eskil(thisDir)/dirdiff.tcl
    source $::eskil(thisDir)/help.tcl
    source $::eskil(thisDir)/plugin.tcl
    source $::eskil(thisDir)/printobj.tcl
    source $::eskil(thisDir)/print.tcl
    source $::eskil(thisDir)/rev.tcl

    set ::util(diffexe) diff

    # Diff functionality is in the DiffUtil package.
    package require DiffUtil
    # Help DiffUtil to find a diff executable, if needed
    catch {DiffUtil::LocateDiffExe $::eskil(thisScript)}

    # Figure out a place to store temporary files.
    locateTmp ::diff(tmpdir)

    if {$::tcl_platform(platform) eq "windows"} {
        # Locate CVS if it is in c:/bin
        if {[auto_execok cvs] eq "" && [file exists "c:/bin/cvs.exe"]} {
            set ::env(PATH) "$::env(PATH);c:\\bin"
            auto_reset
        }








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    source $::eskil(thisDir)/dirdiff.tcl
    source $::eskil(thisDir)/help.tcl
    source $::eskil(thisDir)/plugin.tcl
    source $::eskil(thisDir)/printobj.tcl
    source $::eskil(thisDir)/print.tcl
    source $::eskil(thisDir)/rev.tcl



    # Diff functionality is in the DiffUtil package.
    package require DiffUtil
    # Help DiffUtil to find a diff executable, if needed
    catch {DiffUtil::LocateDiffExe $::eskil(thisScript)}

    # Figure out a place to store temporary files.
    locateTmp ::eskil(tmpdir)

    if {$::tcl_platform(platform) eq "windows"} {
        # Locate CVS if it is in c:/bin
        if {[auto_execok cvs] eq "" && [file exists "c:/bin/cvs.exe"]} {
            set ::env(PATH) "$::env(PATH);c:\\bin"
            auto_reset
        }
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        }
    }

    interp alias {} toplevel {} ttk::toplevel

    # Use demo images from Tablelist
    set dir $::eskil(thisDir)/../lib/tablelist/demos

    set ::img(clsd) [image create photo -file [file join $dir clsdFolder.gif]]
    set ::img(open) [image create photo -file [file join $dir openFolder.gif]]
    set ::img(file) [image create photo -file [file join $dir file.gif]]





    # Local images
    set dir $::eskil(thisDir)/images
    set ::img(link) [image create photo -file [file join $dir link.gif]]
    set ::img(left) [image create photo -file [file join $dir arrow_left.gif]]
    set ::img(right) [image create photo -file [file join $dir arrow_right.gif]]
    set ::img(browse) [image create photo -file [file join $dir folderopen1.gif]]
    set ::img(up) [image create photo -file [file join $dir arrow_up.gif]]








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        }
    }

    interp alias {} toplevel {} ttk::toplevel

    # Use demo images from Tablelist
    set dir $::eskil(thisDir)/../lib/tablelist/demos
    if {[catch {
        set ::img(clsd) [image create photo -file [file join $dir clsdFolder.gif]]
        set ::img(open) [image create photo -file [file join $dir openFolder.gif]]
        set ::img(file) [image create photo -file [file join $dir file.gif]]
    }]} then {
        set ::img(clsd) ""
        set ::img(open) ""
        set ::img(file) ""
    }
    # Local images
    set dir $::eskil(thisDir)/images
    set ::img(link) [image create photo -file [file join $dir link.gif]]
    set ::img(left) [image create photo -file [file join $dir arrow_left.gif]]
    set ::img(right) [image create photo -file [file join $dir arrow_right.gif]]
    set ::img(browse) [image create photo -file [file join $dir folderopen1.gif]]
    set ::img(up) [image create photo -file [file join $dir arrow_up.gif]]
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# If top = "all" it means quit.
# If eskil is embedded, this should be used to close an eskil toplevel.
proc cleanupAndExit {top} {
    # A security thing to make sure we can exit.
    set cont 0
    if {[catch {
        if {$top != "all"} {
            set i [lsearch $::diff(diffWindows) $top]
            if {$i >= 0} {
                set ::diff(diffWindows) [lreplace $::diff(diffWindows) $i $i]
            }
            set i [lsearch $::widgets(toolbars) $top.f]
            if {$i >= 0} {
                set ::widgets(toolbars) [lreplace $::widgets(toolbars) $i $i]
            }

            destroy $top
            array unset ::diff $top,*

            # Any windows remaining?
            if {[llength $::diff(diffWindows)] > 0} {
                set cont 1
            }
        }
    } errMsg]} {
        tk_messageBox -icon error -title "Eskil Error" -message \
                "An error occured in the close process.\n$errMsg\n\
                (This is a bug)\nTerminating application." -type ok
    }
    if {$cont} return

    clearTmp
    exit
}

# If embedding, tell eskil about any other toplevel, then
# cleanupAndExit can be used to get rid of it.
proc eskilRegisterToplevel {top} {
    lappend ::diff(diffWindows) $top
}

# Format a line number
proc myFormL {lineNo} {
    if {![string is integer -strict $lineNo]} {return "$lineNo\n"}
      return [format "%3d: \n" $lineNo]
}

# Get a name for a temporary file
# A tail can be given to make the file more recognisable.
proc tmpFile {{tail {}}} {
    if {[info exists ::tmpcnt]} {
        incr ::tmpcnt
    } else {
        set ::tmpcnt 0
    }
    set name "tmpd[pid]a$::tmpcnt"
    if {$tail ne ""} {
        append name " [file tail $tail]"
    }
    set name [file join $::diff(tmpdir) $name]
    lappend ::tmpfiles $name
    return $name
}

# Delete temporary files
proc clearTmp {args} {
    if {![info exists ::tmpfiles]} {








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# If top = "all" it means quit.
# If eskil is embedded, this should be used to close an eskil toplevel.
proc cleanupAndExit {top} {
    # A security thing to make sure we can exit.
    set cont 0
    if {[catch {
        if {$top != "all"} {
            set i [lsearch $::eskil(diffWindows) $top]
            if {$i >= 0} {
                set ::eskil(diffWindows) [lreplace $::eskil(diffWindows) $i $i]
            }
            set i [lsearch $::widgets(toolbars) $top.f]
            if {$i >= 0} {
                set ::widgets(toolbars) [lreplace $::widgets(toolbars) $i $i]
            }

            destroy $top
            array unset ::eskil $top,*

            # Any windows remaining?
            if {[llength $::eskil(diffWindows)] > 0} {
                set cont 1
            }
        }
    } errMsg]} {
        tk_messageBox -icon error -title "Eskil Error" -message \
                "An error occured in the close process.\n$errMsg\n\
                (This is a bug)\nTerminating application." -type ok
    }
    if {$cont} return

    clearTmp
    exit
}

# If embedding, tell eskil about any other toplevel, then
# cleanupAndExit can be used to get rid of it.
proc eskilRegisterToplevel {top} {
    lappend ::eskil(diffWindows) $top
}

# Format a line number
proc myFormL {lineNo} {
    if {![string is integer -strict $lineNo]} {return "$lineNo\n"}
      return [format "%3d: \n" $lineNo]
}

# Get a name for a temporary file
# A tail can be given to make the file more recognisable.
proc tmpFile {{tail {}}} {
    if {[info exists ::tmpcnt]} {
        incr ::tmpcnt
    } else {
        set ::tmpcnt 0
    }
    set name "tmpd[pid]a$::tmpcnt"
    if {$tail ne ""} {
        append name " [file tail $tail]"
    }
    set name [file join $::eskil(tmpdir) $name]
    lappend ::tmpfiles $name
    return $name
}

# Delete temporary files
proc clearTmp {args} {
    if {![info exists ::tmpfiles]} {
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# Insert one line in each text widget.
# Mark them as changed, and optionally parse them.
proc insertMatchingLines {top line1 line2} {
    global doingLine1 doingLine2 Pref

    # FIXA: fully implement filter
    if {$::diff(filter) != ""} {
        if {[regexp $::diff(filter) $line1]} {
            insertLine $top 1 $doingLine1 $line1
            insertLine $top 2 $doingLine2 $line2
            incr doingLine1
            incr doingLine2
            set ::diff(filterflag) 1
            return
        }
        set ::diff(filterflag) 0
    }

    if {$Pref(parse) != 0} {
        set opts $Pref(ignore)
        if {$Pref(nocase)} {lappend opts -nocase}
        if {$Pref(lineparsewords)} {lappend opts -words}
        set res [DiffUtil::diffStrings {*}$opts $line1 $line2]








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# Insert one line in each text widget.
# Mark them as changed, and optionally parse them.
proc insertMatchingLines {top line1 line2} {
    global doingLine1 doingLine2 Pref

    # FIXA: fully implement filter
    if {$::eskil(filter) != ""} {
        if {[regexp $::eskil(filter) $line1]} {
            insertLine $top 1 $doingLine1 $line1
            insertLine $top 2 $doingLine2 $line2
            incr doingLine1
            incr doingLine2
            set ::eskil(filterflag) 1
            return
        }
        set ::eskil(filterflag) 0
    }

    if {$Pref(parse) != 0} {
        set opts $Pref(ignore)
        if {$Pref(nocase)} {lappend opts -nocase}
        if {$Pref(lineparsewords)} {lappend opts -words}
        set res [DiffUtil::diffStrings {*}$opts $line1 $line2]
︙︙
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533


    set apa [compareBlocks $block1 $block2]
    # Fine grained changes means that each line is considered its own
    # chunk. This is used for merging better to avoid the same decision
    # for an entire block.
    set finegrain [expr {$::Pref(finegrainchunks) && $details}]

    if {$finegrain && $::diff($top,ancestorFile) ne ""} {
        # Avoid fine grain depending on relation to ancestor
        set leftChange 0
        set leftChangeOrAdd 0
        for {set t $line1} {$t < $line1 + $n1} {incr t} {
            if {[info exists ::diff($top,ancestorLeft,$t)]} {
                set leftChangeOrAdd 1
                if {$::diff($top,ancestorLeft,$t) eq "c"} {
                    set leftChange 1
                    break
                }
            }
        }
        set rightChange 0
        set rightChangeOrAdd 0
        for {set t $line2} {$t < $line2 + $n2} {incr t} {
            if {[info exists ::diff($top,ancestorRight,$t)]} {
                set rightChangeOrAdd 1
                if {$::diff($top,ancestorRight,$t) eq "c"} {
                    set rightChange 1
                    break
                }
            }
        }
        # Avoid fine grain if either side has no changes against ancestor
        if {!$leftChangeOrAdd || !$rightChangeOrAdd} {








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|

|








506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538


    set apa [compareBlocks $block1 $block2]
    # Fine grained changes means that each line is considered its own
    # chunk. This is used for merging better to avoid the same decision
    # for an entire block.
    set finegrain [expr {$::Pref(finegrainchunks) && $details}]

    if {$finegrain && $::eskil($top,ancestorFile) ne ""} {
        # Avoid fine grain depending on relation to ancestor
        set leftChange 0
        set leftChangeOrAdd 0
        for {set t $line1} {$t < $line1 + $n1} {incr t} {
            if {[info exists ::eskil($top,ancestorLeft,$t)]} {
                set leftChangeOrAdd 1
                if {$::eskil($top,ancestorLeft,$t) eq "c"} {
                    set leftChange 1
                    break
                }
            }
        }
        set rightChange 0
        set rightChangeOrAdd 0
        for {set t $line2} {$t < $line2 + $n2} {incr t} {
            if {[info exists ::eskil($top,ancestorRight,$t)]} {
                set rightChangeOrAdd 1
                if {$::eskil($top,ancestorRight,$t) eq "c"} {
                    set rightChange 1
                    break
                }
            }
        }
        # Avoid fine grain if either side has no changes against ancestor
        if {!$leftChangeOrAdd || !$rightChangeOrAdd} {
︙︙
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641

        # All blocks have been processed. Continue until end of file.
        # If "show all" is not on, just display a couple of context lines.
        set limit -1
        if {$Pref(context) >= 0} {
            set limit $Pref(context)
        }
	# Consider any total limit on displayed lines.
        if {$::diff($top,limitlines)} {
            set limit [expr {$::diff($top,limitlines) - $::diff($top,mapMax)}]
            if {$limit < 0} {
                set limit 0
            }
        }
        if {$limit >= 0} {disallowEdit $top}

        set t 0








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|








631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646

        # All blocks have been processed. Continue until end of file.
        # If "show all" is not on, just display a couple of context lines.
        set limit -1
        if {$Pref(context) >= 0} {
            set limit $Pref(context)
        }
	# Consider any total limit on displayed lines.
        if {$::eskil($top,limitlines)} {
            set limit [expr {$::eskil($top,limitlines) - $::eskil($top,mapMax)}]
            if {$limit < 0} {
                set limit 0
            }
        }
        if {$limit >= 0} {disallowEdit $top}

        set t 0
︙︙
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706

                emptyLine $top 2 0
                addMapLines $top 1
            }
        }
        incr doingLine1
        incr doingLine2
        incr t
        if {$::diff($top,limitlines) && \
                ($::diff($top,mapMax) > $::diff($top,limitlines))} {
            return
        }
    }
    # This should not happen unless something is wrong...
    if {$doingLine2 != $line2} {
        disallowEdit $top
        $::widgets($top,wDiff1) insert end \








|
|








696
697
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699
700
701
702
703
704
705
706
707
708
709
710
711

                emptyLine $top 2 0
                addMapLines $top 1
            }
        }
        incr doingLine1
        incr doingLine2
        incr t
        if {$::eskil($top,limitlines) && \
                ($::eskil($top,mapMax) > $::eskil($top,limitlines))} {
            return
        }
    }
    # This should not happen unless something is wrong...
    if {$doingLine2 != $line2} {
        disallowEdit $top
        $::widgets($top,wDiff1) insert end \
︙︙
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732

        # If block parsing is turned off, only do line parsing for
        # blocks of equal size.
        for {set t 0} {$t < $n1} {incr t} {
            gets $ch1 textline1
            gets $ch2 textline2
            insertMatchingLines $top $textline1 $textline2
        }
        if {$::diff(filter) != "" &&  $::diff(filterflag)} {
            addMapLines $top $n1
        } else {
            addChange $top $n1 change $line1 $n1 $line2 $n2
            nextHighlight $top
        }
    } else {
        if {$n1 != 0 && $n2 != 0 && $Pref(parse) >= 2 && \








|








723
724
725
726
727
728
729
730
731
732
733
734
735
736
737

        # If block parsing is turned off, only do line parsing for
        # blocks of equal size.
        for {set t 0} {$t < $n1} {incr t} {
            gets $ch1 textline1
            gets $ch2 textline2
            insertMatchingLines $top $textline1 $textline2
        }
        if {$::eskil(filter) != "" &&  $::eskil(filterflag)} {
            addMapLines $top $n1
        } else {
            addChange $top $n1 change $line1 $n1 $line2 $n2
            nextHighlight $top
        }
    } else {
        if {$n1 != 0 && $n2 != 0 && $Pref(parse) >= 2 && \
︙︙
811
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819
820
821
822
823
824
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834
835
836
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838
839
840
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850
851
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854
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867
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905
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907
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911
912
913
914
915
916

}

#####################################
# Special cases.  Conflict/patch
#####################################

proc startConflictDiff {top file} {
    set ::diff($top,mode) "conflict"
    set ::diff($top,modetype) ""
    set ::diff($top,conflictFile) $file
    set ::diff($top,rightDir) [file dirname $file]
    set ::diff($top,rightOK) 1
    set ::diff($top,rightLabel) $file
    set ::diff($top,leftLabel) $file
    set ::diff($top,leftOK) 0

    # Turn off ignore
    set ::Pref(ignore) " "
    set ::Pref(nocase) 0
    set ::Pref(noempty) 0

    # Try to autodetect line endings in file
    set ch [open $file rb]
    set data [read $ch 10000]
    close $ch
    if {[string first \r\n $data] >= 0} {
        set ::diff($top,mergetranslation) crlf
    } else {
        set ::diff($top,mergetranslation) lf
    }
}

# Read a conflict file and extract the two versions.
proc prepareConflict {top} {
    global Pref

    disallowEdit $top
    set ::diff($top,leftFile) [tmpFile]
    set ::diff($top,rightFile) [tmpFile]

    set ch1 [open $::diff($top,leftFile) w]
    set ch2 [open $::diff($top,rightFile) w]
    set ch [open $::diff($top,conflictFile) r]

    set ::diff($top,conflictDiff) {}
    set leftLine 1
    set rightLine 1
    set state both
    set rightName ""
    set leftName ""
    while {[gets $ch line] != -1} {
        if {[string match <<<<<<* $line]} {
            set state right
            regexp {<*\s*(.*)} $line -> rightName
            set start2 $rightLine
        } elseif {[string match ======* $line] && $state eq "right"} {
            set state left
            set end2 [expr {$rightLine - 1}]
            set start1 $leftLine
        } elseif {[string match >>>>>>* $line] && $state eq "left"} {
            set state both
            regexp {>*\s*(.*)} $line -> leftName
            set end1 [expr {$leftLine - 1}]
            lappend ::diff($top,conflictDiff) [list \
                    $start1 [expr {$end1 - $start1 + 1}] \
                    $start2 [expr {$end2 - $start2 + 1}]]
        } elseif {$state eq "both"} {
            puts $ch1 $line
            puts $ch2 $line
            incr leftLine
            incr rightLine
        } elseif {$state eq "left"} {
            puts $ch1 $line
            incr leftLine
        } else {
            puts $ch2 $line
            incr rightLine
        }
    }
    close $ch
    close $ch1
    close $ch2

    if {$leftName eq "" && $rightName eq ""} {
        set leftName "No Conflict: [file tail $::diff($top,conflictFile)]"
        set rightName $leftName
    }
    set ::diff($top,leftLabel) $leftName
    set ::diff($top,rightLabel) $rightName
    update idletasks
}

# Clean up after a conflict diff.
proc cleanupConflict {top} {
    global Pref

    clearTmp $::diff($top,rightFile) $::diff($top,leftFile)
    set ::diff($top,rightFile) $::diff($top,conflictFile)
    set ::diff($top,leftFile) $::diff($top,conflictFile)
}

# Display one chunk from a patch file
proc displayOnePatch {top leftLines rightLines leftLine rightLine} {
    emptyLine $top 1
    emptyLine $top 2









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|




















|


|
|







|
|
|








816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921

}

#####################################
# Special cases.  Conflict/patch
#####################################

proc startConflictDiff {top file} {
    set ::eskil($top,mode) "conflict"
    set ::eskil($top,modetype) ""
    set ::eskil($top,conflictFile) $file
    set ::eskil($top,rightDir) [file dirname $file]
    set ::eskil($top,rightOK) 1
    set ::eskil($top,rightLabel) $file
    set ::eskil($top,leftLabel) $file
    set ::eskil($top,leftOK) 0

    # Turn off ignore
    set ::Pref(ignore) " "
    set ::Pref(nocase) 0
    set ::Pref(noempty) 0

    # Try to autodetect line endings in file
    set ch [open $file rb]
    set data [read $ch 10000]
    close $ch
    if {[string first \r\n $data] >= 0} {
        set ::eskil($top,mergetranslation) crlf
    } else {
        set ::eskil($top,mergetranslation) lf
    }
}

# Read a conflict file and extract the two versions.
proc prepareConflict {top} {
    global Pref

    disallowEdit $top
    set ::eskil($top,leftFile) [tmpFile]
    set ::eskil($top,rightFile) [tmpFile]

    set ch1 [open $::eskil($top,leftFile) w]
    set ch2 [open $::eskil($top,rightFile) w]
    set ch [open $::eskil($top,conflictFile) r]

    set ::eskil($top,conflictDiff) {}
    set leftLine 1
    set rightLine 1
    set state both
    set rightName ""
    set leftName ""
    while {[gets $ch line] != -1} {
        if {[string match <<<<<<* $line]} {
            set state right
            regexp {<*\s*(.*)} $line -> rightName
            set start2 $rightLine
        } elseif {[string match ======* $line] && $state eq "right"} {
            set state left
            set end2 [expr {$rightLine - 1}]
            set start1 $leftLine
        } elseif {[string match >>>>>>* $line] && $state eq "left"} {
            set state both
            regexp {>*\s*(.*)} $line -> leftName
            set end1 [expr {$leftLine - 1}]
            lappend ::eskil($top,conflictDiff) [list \
                    $start1 [expr {$end1 - $start1 + 1}] \
                    $start2 [expr {$end2 - $start2 + 1}]]
        } elseif {$state eq "both"} {
            puts $ch1 $line
            puts $ch2 $line
            incr leftLine
            incr rightLine
        } elseif {$state eq "left"} {
            puts $ch1 $line
            incr leftLine
        } else {
            puts $ch2 $line
            incr rightLine
        }
    }
    close $ch
    close $ch1
    close $ch2

    if {$leftName eq "" && $rightName eq ""} {
        set leftName "No Conflict: [file tail $::eskil($top,conflictFile)]"
        set rightName $leftName
    }
    set ::eskil($top,leftLabel) $leftName
    set ::eskil($top,rightLabel) $rightName
    update idletasks
}

# Clean up after a conflict diff.
proc cleanupConflict {top} {
    global Pref

    clearTmp $::eskil($top,rightFile) $::eskil($top,leftFile)
    set ::eskil($top,rightFile) $::eskil($top,conflictFile)
    set ::eskil($top,leftFile) $::eskil($top,conflictFile)
}

# Display one chunk from a patch file
proc displayOnePatch {top leftLines rightLines leftLine rightLine} {
    emptyLine $top 1
    emptyLine $top 2
︙︙
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041

    }
}

# Read a patch file and display it
proc displayPatch {top} {
    global Pref

    set ::diff($top,leftLabel) "Patch $::diff($top,patchFile): old"
    set ::diff($top,rightLabel) "Patch $::diff($top,patchFile): new"
    update idletasks

    if {$::diff($top,patchFile) eq ""} {
        if {$::diff($top,patchData) eq ""} {
            set data [getFullPatch $top]
        } else {
            set data $::diff($top,patchData)
        }
    } elseif {$::diff($top,patchFile) eq "-"} {
        set data [read stdin]
    } else {
        set ch [open $::diff($top,patchFile) r]
        set data [read $ch]
        close $ch
    }

    set style ""
    set divider "-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-"









|
|


|
|


|

|


|








1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046

    }
}

# Read a patch file and display it
proc displayPatch {top} {
    global Pref

    set ::eskil($top,leftLabel) "Patch $::eskil($top,patchFile): old"
    set ::eskil($top,rightLabel) "Patch $::eskil($top,patchFile): new"
    update idletasks

    if {$::eskil($top,patchFile) eq ""} {
        if {$::eskil($top,patchData) eq ""} {
            set data [getFullPatch $top]
        } else {
            set data $::eskil($top,patchData)
        }
    } elseif {$::eskil($top,patchFile) eq "-"} {
        set data [read stdin]
    } else {
        set ch [open $::eskil($top,patchFile) r]
        set data [read $ch]
        close $ch
    }

    set style ""
    set divider "-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-"
︙︙
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234


#####################################
# Main diff
#####################################

# Prepare for a diff by creating needed temporary files
proc prepareFiles {top} {
    set ::diff($top,cleanup) {}
    if {$::diff($top,mode) eq "rev"} {
        prepareRev $top
        lappend ::diff($top,cleanup) "rev"
    } elseif {$::diff($top,mode) eq "conflict"} {
        prepareConflict $top
        lappend ::diff($top,cleanup) "conflict"
    }
    if {$::diff($top,plugin) ne ""} {
        preparePlugin $top
        set ::diff($top,cleanup) "plugin $::diff($top,cleanup)"
    }
}

# Clean up after a diff
proc cleanupFiles {top} {
    foreach keyword $::diff($top,cleanup) {
        switch $keyword {
            "rev"      {cleanupRev      $top}
            "conflict" {cleanupConflict $top}
            "plugin"   {cleanupPlugin   $top}
        }
    }
    set ::diff($top,cleanup) {}
}

# Redo Diff command
proc redoDiff {top} {
    # Note what rows are being displayed
    set w $::widgets($top,wDiff1)









|
|

|
|

|

|

|





|






|








1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239


#####################################
# Main diff
#####################################

# Prepare for a diff by creating needed temporary files
proc prepareFiles {top} {
    set ::eskil($top,cleanup) {}
    if {$::eskil($top,mode) eq "rev"} {
        prepareRev $top
        lappend ::eskil($top,cleanup) "rev"
    } elseif {$::eskil($top,mode) eq "conflict"} {
        prepareConflict $top
        lappend ::eskil($top,cleanup) "conflict"
    }
    if {$::eskil($top,plugin) ne ""} {
        preparePlugin $top
        set ::eskil($top,cleanup) "plugin $::eskil($top,cleanup)"
    }
}

# Clean up after a diff
proc cleanupFiles {top} {
    foreach keyword $::eskil($top,cleanup) {
        switch $keyword {
            "rev"      {cleanupRev      $top}
            "conflict" {cleanupConflict $top}
            "plugin"   {cleanupPlugin   $top}
        }
    }
    set ::eskil($top,cleanup) {}
}

# Redo Diff command
proc redoDiff {top} {
    # Note what rows are being displayed
    set w $::widgets($top,wDiff1)
︙︙
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288

        set w $::widgets($top,$item)
        seeText $w $first.0 $last.0
    }
}

# Make an appropriate tail for a window title, depending on mode and files.
proc TitleTail {top} {
    set tail1 [file tail $::diff($top,rightLabel)]
    set tail2 [file tail $::diff($top,leftLabel)]
    if {$::diff($top,mode) ne "" || $tail1 eq $tail2} {
        if {$::diff($top,mode) eq "rev"} {
            set tail1 [file tail $::diff($top,RevFile)]
        } elseif {$::diff($top,mode) eq "conflict"} {
            set tail1 [file tail $::diff($top,conflictFile)]
        }
        return $tail1
    } else {
        return "$tail2 vs $tail1"
    }
}

# Main diff function.
proc doDiff {top} {
    global Pref
    global doingLine1 doingLine2

    if {$::diff($top,mode) eq "" && ($::diff($top,leftOK) == 0 || $::diff($top,rightOK) == 0)} {
        disableRedo $top
        return
    } else {
        enableRedo $top
    }

    busyCursor $top








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1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293

        set w $::widgets($top,$item)
        seeText $w $first.0 $last.0
    }
}

# Make an appropriate tail for a window title, depending on mode and files.
proc TitleTail {top} {
    set tail1 [file tail $::eskil($top,rightLabel)]
    set tail2 [file tail $::eskil($top,leftLabel)]
    if {$::eskil($top,mode) ne "" || $tail1 eq $tail2} {
        if {$::eskil($top,mode) eq "rev"} {
            set tail1 [file tail $::eskil($top,RevFile)]
        } elseif {$::eskil($top,mode) eq "conflict"} {
            set tail1 [file tail $::eskil($top,conflictFile)]
        }
        return $tail1
    } else {
        return "$tail2 vs $tail1"
    }
}

# Main diff function.
proc doDiff {top} {
    global Pref
    global doingLine1 doingLine2

    if {$::eskil($top,mode) eq "" && ($::eskil($top,leftOK) == 0 || $::eskil($top,rightOK) == 0)} {
        disableRedo $top
        return
    } else {
        enableRedo $top
    }

    busyCursor $top
︙︙
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    # Display a star during diff execution, to know when the internal
    # processing starts, and when the label is "valid".
    set ::widgets($top,eqLabel) "*"

    wm title $top "Eskil:"
    update idletasks

    if {$::diff($top,mode) eq "patch"} {
        disallowEdit $top
        displayPatch $top
        drawMap $top -1
        foreach item {wLine1 wLine2} {
            set w $::widgets($top,$item)
            $w configure -state disabled
        }
        update idletasks
        wm title $top "Eskil: [file tail $::diff($top,patchFile)]"
        $::widgets($top,wLine2) see 1.0
        normalCursor $top
        return
    } else {
        prepareFiles $top
    }

    wm title $top "Eskil: [TitleTail $top]"

    # Run diff and parse the result.
    set opts $Pref(ignore)
    if {$Pref(nocase)} {lappend opts -nocase}
    if {$Pref(noempty)} {lappend opts -noempty}
    if {[info exists ::diff($top,aligns)] && \
            [llength $::diff($top,aligns)] > 0} {
        lappend opts -align $::diff($top,aligns)
    }
    set range {}
    if {[info exists ::diff($top,range)] && \
            [llength $::diff($top,range)] == 4} {
        set range $::diff($top,range)
        lappend opts -range $range
    }
    if {[llength $Pref(regsub)] > 0} {
        lappend opts -regsub $Pref(regsub)
    }
    # Apply nodigit after preprocess
    if {$Pref(nodigit)} {lappend opts -nodigit}

    # If a special file for diffing is present, use it.
    if {[info exists ::diff($top,leftFileDiff)]} {
        set dFile1 $::diff($top,leftFileDiff)
    } else {
        set dFile1 $::diff($top,leftFile)
    }
    if {[info exists ::diff($top,rightFileDiff)]} {
        set dFile2 $::diff($top,rightFileDiff)
    } else {
        set dFile2 $::diff($top,rightFile)
    }

    set differr [catch {DiffUtil::diffFiles {*}$opts \
            $dFile1 $dFile2} diffres]

    # In conflict mode we can use the diff information collected when
    # parsing the conflict file. This makes sure the blocks in the conflict
    # file become change-blocks during merge.
    if {$::diff($top,mode) eq "conflict" && $::diff($top,modetype) eq "Pure"} {
        set diffres $::diff($top,conflictDiff)
    }

    if {$differr != 0} {
        $::widgets($top,wDiff1) insert end $diffres
        normalCursor $top
        return
    }
    if {[llength $diffres] == 0} {
        set ::widgets($top,eqLabel) "="
        # Automatically close if equal
        if {$::eskil(autoclose)} {
            after idle cleanupAndExit $top
            return
        }
    } else {
        set ::widgets($top,eqLabel) " "
    }
    # Update the equal label immediately for better feedback
    update idletasks

    if {$::diff($top,ancestorFile) ne ""} {
        collectAncestorInfo $top $dFile1 $dFile2 $opts
    }

    set firstview 1

    set ch1 [open $::diff($top,leftFile)]
    set ch2 [open $::diff($top,rightFile)]
    set doingLine1 1
    set doingLine2 1

    # If there is a range, skip lines up to the range
    if {[llength $range] != 0} {
        disallowEdit $top
        lassign $range start1 end1 start2 end2
        while {$doingLine1 < $start1 && [gets $ch1 line] >= 0} {
            incr doingLine1
        }
        while {$doingLine2 < $start2 && [gets $ch2 line] >= 0} {
            incr doingLine2
        }
    }

    set t 0
    foreach i $diffres {
        lassign $i line1 n1 line2 n2
        doText $top $ch1 $ch2 $n1 $n2 $line1 $line2
        if {$::diff($top,limitlines) && \
                ($::diff($top,mapMax) > $::diff($top,limitlines))} {
            break
        }

        # Get one update when the screen has been filled.
        # Show the first diff.
        if {$firstview && $::diff($top,mapMax) > 100} {
            set firstview 0
            showDiff $top 0
            update idletasks
        }
    }

    # If there is a range, just display the range








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1429
1430
1431
1432

    # Display a star during diff execution, to know when the internal
    # processing starts, and when the label is "valid".
    set ::widgets($top,eqLabel) "*"

    wm title $top "Eskil:"
    update idletasks

    if {$::eskil($top,mode) eq "patch"} {
        disallowEdit $top
        displayPatch $top
        drawMap $top -1
        foreach item {wLine1 wLine2} {
            set w $::widgets($top,$item)
            $w configure -state disabled
        }
        update idletasks
        wm title $top "Eskil: [file tail $::eskil($top,patchFile)]"
        $::widgets($top,wLine2) see 1.0
        normalCursor $top
        return
    } else {
        prepareFiles $top
    }

    wm title $top "Eskil: [TitleTail $top]"

    # Run diff and parse the result.
    set opts $Pref(ignore)
    if {$Pref(nocase)} {lappend opts -nocase}
    if {$Pref(noempty)} {lappend opts -noempty}
    if {[info exists ::eskil($top,aligns)] && \
            [llength $::eskil($top,aligns)] > 0} {
        lappend opts -align $::eskil($top,aligns)
    }
    set range {}
    if {[info exists ::eskil($top,range)] && \
            [llength $::eskil($top,range)] == 4} {
        set range $::eskil($top,range)
        lappend opts -range $range
    }
    if {[llength $Pref(regsub)] > 0} {
        lappend opts -regsub $Pref(regsub)
    }
    # Apply nodigit after preprocess
    if {$Pref(nodigit)} {lappend opts -nodigit}

    # If a special file for diffing is present, use it.
    if {[info exists ::eskil($top,leftFileDiff)]} {
        set dFile1 $::eskil($top,leftFileDiff)
    } else {
        set dFile1 $::eskil($top,leftFile)
    }
    if {[info exists ::eskil($top,rightFileDiff)]} {
        set dFile2 $::eskil($top,rightFileDiff)
    } else {
        set dFile2 $::eskil($top,rightFile)
    }

    set differr [catch {DiffUtil::diffFiles {*}$opts \
            $dFile1 $dFile2} diffres]

    # In conflict mode we can use the diff information collected when
    # parsing the conflict file. This makes sure the blocks in the conflict
    # file become change-blocks during merge.
    if {$::eskil($top,mode) eq "conflict" && $::eskil($top,modetype) eq "Pure"} {
        set diffres $::eskil($top,conflictDiff)
    }

    if {$differr != 0} {
        $::widgets($top,wDiff1) insert end $diffres
        normalCursor $top
        return
    }
    if {[llength $diffres] == 0} {
        set ::widgets($top,eqLabel) "="
        # Automatically close if equal
        if {$::eskil(autoclose)} {
            after idle cleanupAndExit $top
            return
        }
    } else {
        set ::widgets($top,eqLabel) " "
    }
    # Update the equal label immediately for better feedback
    update idletasks

    if {$::eskil($top,ancestorFile) ne ""} {
        collectAncestorInfo $top $dFile1 $dFile2 $opts
    }

    set firstview 1

    set ch1 [open $::eskil($top,leftFile)]
    set ch2 [open $::eskil($top,rightFile)]
    set doingLine1 1
    set doingLine2 1

    # If there is a range, skip lines up to the range
    if {[llength $range] != 0} {
        disallowEdit $top
        lassign $range start1 end1 start2 end2
        while {$doingLine1 < $start1 && [gets $ch1 line] >= 0} {
            incr doingLine1
        }
        while {$doingLine2 < $start2 && [gets $ch2 line] >= 0} {
            incr doingLine2
        }
    }

    set t 0
    foreach i $diffres {
        lassign $i line1 n1 line2 n2
        doText $top $ch1 $ch2 $n1 $n2 $line1 $line2
        if {$::eskil($top,limitlines) && \
                ($::eskil($top,mapMax) > $::eskil($top,limitlines))} {
            break
        }

        # Get one update when the screen has been filled.
        # Show the first diff.
        if {$firstview && $::eskil($top,mapMax) > 100} {
            set firstview 0
            showDiff $top 0
            update idletasks
        }
    }

    # If there is a range, just display the range
︙︙
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    close $ch2

    # We can turn off editing in the text windows after everything
    # is displayed.
    noEdit $top

    # Mark aligned lines
    if {[info exists ::diff($top,aligns)] && \
            [llength $::diff($top,aligns)] > 0} {
        foreach {align1 align2} $::diff($top,aligns) {
            set i [$::widgets($top,wLine1) search -regexp "\\m$align1\\M" 1.0]
            if {$i != ""} {
                $::widgets($top,wLine1) tag add align \
                        "$i linestart" "$i lineend"
            }
            set i [$::widgets($top,wLine2) search -regexp "\\m$align2\\M" 1.0]
            if {$i != ""} {








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    close $ch2

    # We can turn off editing in the text windows after everything
    # is displayed.
    noEdit $top

    # Mark aligned lines
    if {[info exists ::eskil($top,aligns)] && \
            [llength $::eskil($top,aligns)] > 0} {
        foreach {align1 align2} $::eskil($top,aligns) {
            set i [$::widgets($top,wLine1) search -regexp "\\m$align1\\M" 1.0]
            if {$i != ""} {
                $::widgets($top,wLine1) tag add align \
                        "$i linestart" "$i lineend"
            }
            set i [$::widgets($top,wLine2) search -regexp "\\m$align2\\M" 1.0]
            if {$i != ""} {
︙︙
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    normalCursor $top
    showDiff $top 0
    if {$::widgets($top,eqLabel) eq "!"} {
        set ::widgets($top,eqLabel) " "
    }

    cleanupFiles $top
    if {$::diff($top,mode) eq "conflict"} {
        if {$::widgets($top,eqLabel) != "="} {
            makeMergeWin $top
        }
    } elseif {$::diff($top,ancestorFile) ne ""} {
        if {$::widgets($top,eqLabel) != "="} {
            makeMergeWin $top
        }
    }
    if {$::diff($top,printFile) ne ""} {
        after idle "doPrint $top 1 ; cleanupAndExit all"
    }
}

# This is the entrypoint to do a diff via DDE or Send
proc remoteDiff {file1 file2} {
    newDiff $file1 $file2
}

#####################################
# Highlight and navigation stuff
#####################################

# Scroll windows to next/previous diff
proc findDiff {top delta} {
    showDiff $top [expr {$::diff($top,currHighLight) + $delta}]
}

# Scroll a text window to view a certain range, and possibly some
# lines before and after.
proc seeText {w si ei} {
    $w see $ei
    $w see $si
    $w see $si-5lines
    $w see $ei+5lines
    if {[llength [$w bbox $si]] == 0} {
        $w yview $si-5lines
    }
    if {[llength [$w bbox $ei]] == 0} {
        $w yview $si
    }
}

# Highlight a diff
proc highLightChange {top n} {
    if {[info exists ::diff($top,currHighLight)] && \
            $::diff($top,currHighLight) >= 0} {
        $::widgets($top,wLine1) tag configure hl$::diff($top,currHighLight) \
                -background {}
        $::widgets($top,wLine2) tag configure hl$::diff($top,currHighLight) \
                -background {}
    }
    set ::diff($top,currHighLight) $n
    if {$::diff($top,currHighLight) < 0} {
        set ::diff($top,currHighLight) -1
    } elseif {$::diff($top,currHighLight) >= [llength $::diff($top,changes)]} {
        set ::diff($top,currHighLight) [llength $::diff($top,changes)]
    } else {
        $::widgets($top,wLine1) tag configure hl$::diff($top,currHighLight) \
                -background yellow
        $::widgets($top,wLine2) tag configure hl$::diff($top,currHighLight) \
                -background yellow
    }
}

# Highlight a diff and scroll windows to it.
proc showDiff {top num} {
    highLightChange $top $num

    set change [lindex $::diff($top,changes) $::diff($top,currHighLight)]
    set line1 [lindex $change 0]

    if {$::diff($top,currHighLight) < 0} {
        set line1 1.0
        set line2 1.0
    } elseif {$line1 eq ""} {
        set line1 end
        set line2 end
    } else {
        set line2 [expr {$line1 + [lindex $change 1]}]








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    normalCursor $top
    showDiff $top 0
    if {$::widgets($top,eqLabel) eq "!"} {
        set ::widgets($top,eqLabel) " "
    }

    cleanupFiles $top
    if {$::eskil($top,mode) eq "conflict"} {
        if {$::widgets($top,eqLabel) != "="} {
            makeMergeWin $top
        }
    } elseif {$::eskil($top,ancestorFile) ne ""} {
        if {$::widgets($top,eqLabel) != "="} {
            makeMergeWin $top
        }
    }
    if {$::eskil($top,printFile) ne ""} {
        after idle "doPrint $top 1 ; cleanupAndExit all"
    }
}

# This is the entrypoint to do a diff via DDE or Send
proc remoteDiff {file1 file2} {
    newDiff $file1 $file2
}

#####################################
# Highlight and navigation stuff
#####################################

# Scroll windows to next/previous diff
proc findDiff {top delta} {
    showDiff $top [expr {$::eskil($top,currHighLight) + $delta}]
}

# Scroll a text window to view a certain range, and possibly some
# lines before and after.
proc seeText {w si ei} {
    $w see $ei
    $w see $si
    $w see $si-5lines
    $w see $ei+5lines
    if {[llength [$w bbox $si]] == 0} {
        $w yview $si-5lines
    }
    if {[llength [$w bbox $ei]] == 0} {
        $w yview $si
    }
}

# Highlight a diff
proc highLightChange {top n} {
    if {[info exists ::eskil($top,currHighLight)] && \
            $::eskil($top,currHighLight) >= 0} {
        $::widgets($top,wLine1) tag configure hl$::eskil($top,currHighLight) \
                -background {}
        $::widgets($top,wLine2) tag configure hl$::eskil($top,currHighLight) \
                -background {}
    }
    set ::eskil($top,currHighLight) $n
    if {$::eskil($top,currHighLight) < 0} {
        set ::eskil($top,currHighLight) -1
    } elseif {$::eskil($top,currHighLight) >= [llength $::eskil($top,changes)]} {
        set ::eskil($top,currHighLight) [llength $::eskil($top,changes)]
    } else {
        $::widgets($top,wLine1) tag configure hl$::eskil($top,currHighLight) \
                -background yellow
        $::widgets($top,wLine2) tag configure hl$::eskil($top,currHighLight) \
                -background yellow
    }
}

# Highlight a diff and scroll windows to it.
proc showDiff {top num} {
    highLightChange $top $num

    set change [lindex $::eskil($top,changes) $::eskil($top,currHighLight)]
    set line1 [lindex $change 0]

    if {$::eskil($top,currHighLight) < 0} {
        set line1 1.0
        set line2 1.0
    } elseif {$line1 eq ""} {
        set line1 end
        set line2 end
    } else {
        set line2 [expr {$line1 + [lindex $change 1]}]
︙︙
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1730

#####################################

# FIXA: Use snit to adapt text widget instead of using wcb
# include seeText in such a snidget.

# Clear Editing state
proc resetEdit {top} {
    set ::diff($top,leftEdit) 0
    set ::diff($top,rightEdit) 0
    $top.m.mt entryconfigure "Edit Mode" -state normal

    resetEditW $::widgets($top,wDiff1)
    resetEditW $::widgets($top,wDiff2)
}

# Clear Editing state for a Text widget
proc resetEditW {w} {
    $w tag configure padding -background {}
    $w edit reset
    $w configure -undo 0

    set ::diff($w,allowChange) all

    wcb::callback $w before insert {}
    wcb::callback $w before delete {}
}

# Do not allow any editing
proc noEdit {top} {
    noEditW $::widgets($top,wDiff1)
    noEditW $::widgets($top,wDiff2)
}

# Do not allow any editing in a Text widget
proc noEditW {w} {
    set ::diff($w,allowChange) none

    wcb::callback $w before insert [list TextInterceptInsert $w]
    wcb::callback $w before delete [list TextInterceptDelete $w]
}

proc TextInterceptInsert {w ow index str args} {
    if {$::diff($w,allowChange) eq "none"} {
        wcb::cancel
        return
    }
    if {$::diff($w,allowChange) eq "all"} return

    #wcb::cancel - Cancel a widget command
    #wcb::replace - Replace arguments of a widget command with new ones

    # Disallow all new lines
    if {[string first "\n" $str] >= 0} {
        wcb::cancel
        return
    }
    foreach {tag str2} $args {
        if {[string first "\n" $str2] >= 0} {
            wcb::cancel
            return
        }
    }
}

proc TextInterceptDelete {w ow from {to {}}} {
    if {$::diff($w,allowChange) eq "none"} {
        wcb::cancel
        return
    }
    if {$::diff($w,allowChange) eq "all"} return

    if {$to eq ""} {
        set to $from+1char
    }
    set text [$ow get $from $to]
    # Disallow all new lines
    if {[string first "\n" $text] >= 0} {
        wcb::cancel
        return
    }
}

# Turn on editing for a Text widget
proc turnOnEdit {w} {
    $w tag configure padding -background \#f0f0f0
    $w configure -undo 1

    set ::diff($w,allowChange) line
}

# Turn on editing on sides where it has not been disallowed
proc allowEdit {top} {
    $top.m.mt entryconfigure "Edit Mode" -state disable
    if {$::diff($top,leftEdit) == 0} {
        set ::diff($top,leftEdit) 1
        turnOnEdit $::widgets($top,wDiff1)
    }
    if {$::diff($top,rightEdit) == 0} {
        set ::diff($top,rightEdit) 1
        turnOnEdit $::widgets($top,wDiff2)
    }
}

# Turn off editing on sides that do not correspond to a file
proc disallowEdit {top {side 0}} {
    if {$side == 0 || $side == 1} {
        set ::diff($top,leftEdit) -1
    }
    if {$side == 0 || $side == 2} {
        set ::diff($top,rightEdit) -1
    }
    if {$::diff($top,leftEdit) == -1 && $::diff($top,rightEdit) == -1} {
        $top.m.mt entryconfigure "Edit Mode" -state disabled
    }
}

# Ask if editing is allowed on a side
proc mayEdit {top side} {
    if {$side == 1} {
        return [expr {$::diff($top,leftEdit) == 1}]
    } else {
        return [expr {$::diff($top,rightEdit) == 1}]
    }
}

# Start an undo block in a bunch of text widgets
proc startUndoBlock {args} {
    foreach w $args {
        $w configure -autoseparators 0
        # Open up editing for copy functions
        set ::diff($w,allowChange) all
    }
}

# End an undo block in a bunch of text widgets
proc endUndoBlock {args} {
    foreach w $args {
        $w configure -autoseparators 1
        $w edit separator
        set ::diff($w,allowChange) line
    }
}

# Copy a block
proc copyBlock {top from first last} {
    set to [expr {3 - $from}]









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#####################################

# FIXA: Use snit to adapt text widget instead of using wcb
# include seeText in such a snidget.

# Clear Editing state
proc resetEdit {top} {
    set ::eskil($top,leftEdit) 0
    set ::eskil($top,rightEdit) 0
    $top.m.mt entryconfigure "Edit Mode" -state normal

    resetEditW $::widgets($top,wDiff1)
    resetEditW $::widgets($top,wDiff2)
}

# Clear Editing state for a Text widget
proc resetEditW {w} {
    $w tag configure padding -background {}
    $w edit reset
    $w configure -undo 0

    set ::eskil($w,allowChange) all

    wcb::callback $w before insert {}
    wcb::callback $w before delete {}
}

# Do not allow any editing
proc noEdit {top} {
    noEditW $::widgets($top,wDiff1)
    noEditW $::widgets($top,wDiff2)
}

# Do not allow any editing in a Text widget
proc noEditW {w} {
    set ::eskil($w,allowChange) none

    wcb::callback $w before insert [list TextInterceptInsert $w]
    wcb::callback $w before delete [list TextInterceptDelete $w]
}

proc TextInterceptInsert {w ow index str args} {
    if {$::eskil($w,allowChange) eq "none"} {
        wcb::cancel
        return
    }
    if {$::eskil($w,allowChange) eq "all"} return

    #wcb::cancel - Cancel a widget command
    #wcb::replace - Replace arguments of a widget command with new ones

    # Disallow all new lines
    if {[string first "\n" $str] >= 0} {
        wcb::cancel
        return
    }
    foreach {tag str2} $args {
        if {[string first "\n" $str2] >= 0} {
            wcb::cancel
            return
        }
    }
}

proc TextInterceptDelete {w ow from {to {}}} {
    if {$::eskil($w,allowChange) eq "none"} {
        wcb::cancel
        return
    }
    if {$::eskil($w,allowChange) eq "all"} return

    if {$to eq ""} {
        set to $from+1char
    }
    set text [$ow get $from $to]
    # Disallow all new lines
    if {[string first "\n" $text] >= 0} {
        wcb::cancel
        return
    }
}

# Turn on editing for a Text widget
proc turnOnEdit {w} {
    $w tag configure padding -background \#f0f0f0
    $w configure -undo 1

    set ::eskil($w,allowChange) line
}

# Turn on editing on sides where it has not been disallowed
proc allowEdit {top} {
    $top.m.mt entryconfigure "Edit Mode" -state disable
    if {$::eskil($top,leftEdit) == 0} {
        set ::eskil($top,leftEdit) 1
        turnOnEdit $::widgets($top,wDiff1)
    }
    if {$::eskil($top,rightEdit) == 0} {
        set ::eskil($top,rightEdit) 1
        turnOnEdit $::widgets($top,wDiff2)
    }
}

# Turn off editing on sides that do not correspond to a file
proc disallowEdit {top {side 0}} {
    if {$side == 0 || $side == 1} {
        set ::eskil($top,leftEdit) -1
    }
    if {$side == 0 || $side == 2} {
        set ::eskil($top,rightEdit) -1
    }
    if {$::eskil($top,leftEdit) == -1 && $::eskil($top,rightEdit) == -1} {
        $top.m.mt entryconfigure "Edit Mode" -state disabled
    }
}

# Ask if editing is allowed on a side
proc mayEdit {top side} {
    if {$side == 1} {
        return [expr {$::eskil($top,leftEdit) == 1}]
    } else {
        return [expr {$::eskil($top,rightEdit) == 1}]
    }
}

# Start an undo block in a bunch of text widgets
proc startUndoBlock {args} {
    foreach w $args {
        $w configure -autoseparators 0
        # Open up editing for copy functions
        set ::eskil($w,allowChange) all
    }
}

# End an undo block in a bunch of text widgets
proc endUndoBlock {args} {
    foreach w $args {
        $w configure -autoseparators 1
        $w edit separator
        set ::eskil($w,allowChange) line
    }
}

# Copy a block
proc copyBlock {top from first last} {
    set to [expr {3 - $from}]
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    $m add command -label "Save File" -command [list saveFile $top $n]

    return 0
}

proc saveFile {top side} {
    if {$side == 1} {
        if {!$::diff($top,leftEdit)} return
        set fileName $::diff($top,leftFile)
    } else {
        if {!$::diff($top,rightEdit)} return
        set fileName $::diff($top,rightFile)
    }

    set w $::widgets($top,wDiff$side)

    # Confirm dialog
    set apa [tk_messageBox -parent $top -icon question \
            -title "Overwrite file" -type yesnocancel -message \








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    $m add command -label "Save File" -command [list saveFile $top $n]

    return 0
}

proc saveFile {top side} {
    if {$side == 1} {
        if {!$::eskil($top,leftEdit)} return
        set fileName $::eskil($top,leftFile)
    } else {
        if {!$::eskil($top,rightEdit)} return
        set fileName $::eskil($top,rightFile)
    }

    set w $::widgets($top,wDiff$side)

    # Confirm dialog
    set apa [tk_messageBox -parent $top -icon question \
            -title "Overwrite file" -type yesnocancel -message \
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    return [file isdirectory $file]
}

# A wrapper for tk_getOpenFile
proc myOpenFile {args} {
    # When in tutorial mode, make sure the Tcl file dialog is used
    # to be able to access the files in a starkit.
    if {[info exists ::diff(tutorial)] && $::diff(tutorial)} {
        # Only do this if tk_getOpenFile is not a proc.
        if {[info procs tk_getOpenFile] eq ""} {
            # If there is any problem, call the real one
            if {![catch {set res [::tk::dialog::file:: open {*}$args]}]} {
                return $res
            }
        }
    }
    return [tk_getOpenFile {*}$args]
}

proc doOpenLeft {top {forget 0}} {
    if {!$forget && [info exists ::diff($top,leftDir)]} {
        set initDir $::diff($top,leftDir)
    } elseif {[info exists ::diff($top,rightDir)]} {
        set initDir $::diff($top,rightDir)
    } else {
        set initDir [pwd]
    }

    set apa [myOpenFile -title "Select left file" -initialdir $initDir \
            -parent $top]
    if {$apa != ""} {
        set ::diff($top,leftDir) [file dirname $apa]
        set ::diff($top,leftFile) $apa
        set ::diff($top,leftLabel) $apa
        set ::diff($top,leftOK) 1
        return 1
    }
    return 0
}

proc doOpenRight {top {forget 0}} {
    if {!$forget && [info exists ::diff($top,rightDir)]} {
        set initDir $::diff($top,rightDir)
    } elseif {[info exists ::diff($top,leftDir)]} {
        set initDir $::diff($top,leftDir)
    } else {
        set initDir [pwd]
    }

    set apa [myOpenFile -title "Select right file" -initialdir $initDir \
            -parent $top]
    if {$apa != ""} {
        set ::diff($top,rightDir) [file dirname $apa]
        set ::diff($top,rightFile) $apa
        set ::diff($top,rightLabel) $apa
        set ::diff($top,rightOK) 1
        return 1
    }
    return 0
}

proc doOpenAncestor {top} {
    if {$::diff($top,ancestorFile) ne ""} {
        set initDir [file dirname $::diff($top,ancestorFile)]
    } elseif {[info exists ::diff($top,leftDir)]} {
        set initDir $::diff($top,leftDir)
    } elseif {[info exists ::diff($top,rightDir)]} {
        set initDir $::diff($top,rightDir)
    } else {
        set initDir [pwd]
    }
    set apa [myOpenFile -title "Select ancestor file" -initialdir $initDir \
            -parent $top]
    if {$apa != ""} {
        set ::diff($top,ancestorFile) $apa
        return 1
    }
    return 0
}

proc openLeft {top} {
    if {[doOpenLeft $top]} {
        set ::diff($top,mode) ""
        set ::diff($top,mergeFile) ""
        doDiff $top
    }
}

proc openRight {top} {
    if {[doOpenRight $top]} {
        set ::diff($top,mode) ""
        set ::diff($top,mergeFile) ""
        doDiff $top
    }
}

proc openAncestor {top} {
    if {[doOpenAncestor $top]} {
        # Redo diff with ancestor
        doDiff $top
    }
}

proc openConflict {top} {
    global Pref
    if {[doOpenRight $top]} {
        startConflictDiff $top $::diff($top,rightFile)
        set ::diff($top,mergeFile) ""
        doDiff $top
    }
}

proc openPatch {top} {
    global Pref
    if {[doOpenLeft $top]} {
        set ::diff($top,mode) "patch"
        set Pref(ignore) " "
        set Pref(nocase) 0
        set Pref(noempty) 0 
        set ::diff($top,patchFile) $::diff($top,leftFile)
        set ::diff($top,patchData) ""
        doDiff $top
    }
}

# Get data from clipboard and display as a patch.
proc doPastePatch {top} {
    if {[catch {::tk::GetSelection $top CLIPBOARD} sel]} {
        tk_messageBox -icon error -title "Eskil Error" -parent $top \
                -message "Could not retreive clipboard" -type ok
        return
    }
    set ::diff($top,mode) "patch"
    set ::Pref(ignore) " "
    set ::Pref(nocase) 0
    set ::Pref(noempty) 0 
    set ::diff($top,patchFile) ""
    set ::diff($top,patchData) $sel
    doDiff $top
}

proc openRev {top} {
    if {[doOpenRight $top]} {
        set rev [detectRevSystem $::diff($top,rightFile)]
        if {$rev eq ""} {
            tk_messageBox -icon error -title "Eskil Error" -message \
                    "Could not figure out which revison control system\
                    \"$::diff($top,rightFile)\" is under." -type ok
            return
        }
        startRevMode $top $rev $::diff($top,rightFile)
        set ::diff($top,mergeFile) ""
        doDiff $top
    }
}

proc openBoth {top forget} {
    if {[doOpenLeft $top]} {
        if {[doOpenRight $top $forget]} {
            set ::diff($top,mode) ""
            set ::diff($top,mergeFile) ""
            doDiff $top
        }
    }
}

# File drop using TkDnd
proc fileDrop {top side files} {
    # FIXA: Maybe single drop during rev mode should stay in rev mode?
    # Dropping two files mean set both
    if {[llength $files] >= 2} {
        set leftFile [lindex $files 0]
        set rightFile [lindex $files 1]
    } elseif {$side eq "left"} {
        set leftFile [lindex $files 0]
        set rightFile ""
    } else {
        set leftFile ""
        set rightFile [lindex $files 0]
    }
    if {$leftFile ne ""} {
        set ::diff($top,leftDir) [file dirname $leftFile]
        set ::diff($top,leftFile) $leftFile
        set ::diff($top,leftLabel) $leftFile
        set ::diff($top,leftOK) 1
        set ::diff($top,mode) ""
        set ::diff($top,mergeFile) ""
    }
    if {$rightFile ne ""} {
        set ::diff($top,rightDir) [file dirname $rightFile]
        set ::diff($top,rightFile) $rightFile
        set ::diff($top,rightLabel) $rightFile
        set ::diff($top,rightOK) 1
        set ::diff($top,mode) ""
        set ::diff($top,mergeFile) ""
    }
    if {$::diff($top,leftOK) && $::diff($top,rightOK)} {
        doDiff $top
    }
}

#####################################
# GUI stuff
#####################################








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    return [file isdirectory $file]
}

# A wrapper for tk_getOpenFile
proc myOpenFile {args} {
    # When in tutorial mode, make sure the Tcl file dialog is used
    # to be able to access the files in a starkit.
    if {[info exists ::eskil(tutorial)] && $::eskil(tutorial)} {
        # Only do this if tk_getOpenFile is not a proc.
        if {[info procs tk_getOpenFile] eq ""} {
            # If there is any problem, call the real one
            if {![catch {set res [::tk::dialog::file:: open {*}$args]}]} {
                return $res
            }
        }
    }
    return [tk_getOpenFile {*}$args]
}

proc doOpenLeft {top {forget 0}} {
    if {!$forget && [info exists ::eskil($top,leftDir)]} {
        set initDir $::eskil($top,leftDir)
    } elseif {[info exists ::eskil($top,rightDir)]} {
        set initDir $::eskil($top,rightDir)
    } else {
        set initDir [pwd]
    }

    set apa [myOpenFile -title "Select left file" -initialdir $initDir \
            -parent $top]
    if {$apa != ""} {
        set ::eskil($top,leftDir) [file dirname $apa]
        set ::eskil($top,leftFile) $apa
        set ::eskil($top,leftLabel) $apa
        set ::eskil($top,leftOK) 1
        return 1
    }
    return 0
}

proc doOpenRight {top {forget 0}} {
    if {!$forget && [info exists ::eskil($top,rightDir)]} {
        set initDir $::eskil($top,rightDir)
    } elseif {[info exists ::eskil($top,leftDir)]} {
        set initDir $::eskil($top,leftDir)
    } else {
        set initDir [pwd]
    }

    set apa [myOpenFile -title "Select right file" -initialdir $initDir \
            -parent $top]
    if {$apa != ""} {
        set ::eskil($top,rightDir) [file dirname $apa]
        set ::eskil($top,rightFile) $apa
        set ::eskil($top,rightLabel) $apa
        set ::eskil($top,rightOK) 1
        return 1
    }
    return 0
}

proc doOpenAncestor {top} {
    if {$::eskil($top,ancestorFile) ne ""} {
        set initDir [file dirname $::eskil($top,ancestorFile)]
    } elseif {[info exists ::eskil($top,leftDir)]} {
        set initDir $::eskil($top,leftDir)
    } elseif {[info exists ::eskil($top,rightDir)]} {
        set initDir $::eskil($top,rightDir)
    } else {
        set initDir [pwd]
    }
    set apa [myOpenFile -title "Select ancestor file" -initialdir $initDir \
            -parent $top]
    if {$apa != ""} {
        set ::eskil($top,ancestorFile) $apa
        return 1
    }
    return 0
}

proc openLeft {top} {
    if {[doOpenLeft $top]} {
        set ::eskil($top,mode) ""
        set ::eskil($top,mergeFile) ""
        doDiff $top
    }
}

proc openRight {top} {
    if {[doOpenRight $top]} {
        set ::eskil($top,mode) ""
        set ::eskil($top,mergeFile) ""
        doDiff $top
    }
}

proc openAncestor {top} {
    if {[doOpenAncestor $top]} {
        # Redo diff with ancestor
        doDiff $top
    }
}

proc openConflict {top} {
    global Pref
    if {[doOpenRight $top]} {
        startConflictDiff $top $::eskil($top,rightFile)
        set ::eskil($top,mergeFile) ""
        doDiff $top
    }
}

proc openPatch {top} {
    global Pref
    if {[doOpenLeft $top]} {
        set ::eskil($top,mode) "patch"
        set Pref(ignore) " "
        set Pref(nocase) 0
        set Pref(noempty) 0 
        set ::eskil($top,patchFile) $::eskil($top,leftFile)
        set ::eskil($top,patchData) ""
        doDiff $top
    }
}

# Get data from clipboard and display as a patch.
proc doPastePatch {top} {
    if {[catch {::tk::GetSelection $top CLIPBOARD} sel]} {
        tk_messageBox -icon error -title "Eskil Error" -parent $top \
                -message "Could not retreive clipboard" -type ok
        return
    }
    set ::eskil($top,mode) "patch"
    set ::Pref(ignore) " "
    set ::Pref(nocase) 0
    set ::Pref(noempty) 0 
    set ::eskil($top,patchFile) ""
    set ::eskil($top,patchData) $sel
    doDiff $top
}

proc openRev {top} {
    if {[doOpenRight $top]} {
        set rev [detectRevSystem $::eskil($top,rightFile)]
        if {$rev eq ""} {
            tk_messageBox -icon error -title "Eskil Error" -message \
                    "Could not figure out which revison control system\
                    \"$::eskil($top,rightFile)\" is under." -type ok
            return
        }
        startRevMode $top $rev $::eskil($top,rightFile)
        set ::eskil($top,mergeFile) ""
        doDiff $top
    }
}

proc openBoth {top forget} {
    if {[doOpenLeft $top]} {
        if {[doOpenRight $top $forget]} {
            set ::eskil($top,mode) ""
            set ::eskil($top,mergeFile) ""
            doDiff $top
        }
    }
}

# File drop using TkDnd
proc fileDrop {top side files} {
    # FIXA: Maybe single drop during rev mode should stay in rev mode?
    # Dropping two files mean set both
    if {[llength $files] >= 2} {
        set leftFile [lindex $files 0]
        set rightFile [lindex $files 1]
    } elseif {$side eq "left"} {
        set leftFile [lindex $files 0]
        set rightFile ""
    } else {
        set leftFile ""
        set rightFile [lindex $files 0]
    }
    if {$leftFile ne ""} {
        set ::eskil($top,leftDir) [file dirname $leftFile]
        set ::eskil($top,leftFile) $leftFile
        set ::eskil($top,leftLabel) $leftFile
        set ::eskil($top,leftOK) 1
        set ::eskil($top,mode) ""
        set ::eskil($top,mergeFile) ""
    }
    if {$rightFile ne ""} {
        set ::eskil($top,rightDir) [file dirname $rightFile]
        set ::eskil($top,rightFile) $rightFile
        set ::eskil($top,rightLabel) $rightFile
        set ::eskil($top,rightOK) 1
        set ::eskil($top,mode) ""
        set ::eskil($top,mergeFile) ""
    }
    if {$::eskil($top,leftOK) && $::eskil($top,rightOK)} {
        doDiff $top
    }
}

#####################################
# GUI stuff
#####################################
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proc disableAlign {top} {
    eval $::widgets($top,disableAlignCmd)
}

# Remove one or all alignment pairs
proc clearAlign {top {leftline {}}} {
    if {$leftline == ""} {
        set ::diff($top,aligns) {}
    } else {
        set i 0
        while 1 {
            set i [lsearch -integer -start $i $::diff($top,aligns) $leftline]
            if {$i < 0} break
            if {($i % 2) == 0} {
                set ::diff($top,aligns) [lreplace $::diff($top,aligns) \
                        $i [+ $i 1]]
                break
            }
            incr i
        }
    }

    if {[llength $::diff($top,aligns)] == 0} {
        disableAlign $top
    }
}

proc NoMarkAlign {top} {
    unset -nocomplain ::diff($top,align1)
    unset -nocomplain ::diff($top,align2)
    unset -nocomplain ::diff($top,aligntext1)
    unset -nocomplain ::diff($top,aligntext2)
}

# Mark a line as aligned.
proc markAlign {top n line text} {
    set ::diff($top,align$n) $line
    set ::diff($top,aligntext$n) $text

    if {[info exists ::diff($top,align1)] && [info exists ::diff($top,align2)]} {
        if {![string equal $::diff($top,aligntext1) $::diff($top,aligntext2)]} {
            set apa [tk_messageBox -icon question -title "Align" -type yesno \
                    -message "Those lines are not equal.\nReally align them?"]
            if {$apa != "yes"} {
                return 0
            }
        }

        lappend ::diff($top,aligns) $::diff($top,align1) $::diff($top,align2)
        enableAlign $top

        NoMarkAlign $top
        return 1
    }
    return 0
}








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proc disableAlign {top} {
    eval $::widgets($top,disableAlignCmd)
}

# Remove one or all alignment pairs
proc clearAlign {top {leftline {}}} {
    if {$leftline == ""} {
        set ::eskil($top,aligns) {}
    } else {
        set i 0
        while 1 {
            set i [lsearch -integer -start $i $::eskil($top,aligns) $leftline]
            if {$i < 0} break
            if {($i % 2) == 0} {
                set ::eskil($top,aligns) [lreplace $::eskil($top,aligns) \
                        $i [+ $i 1]]
                break
            }
            incr i
        }
    }

    if {[llength $::eskil($top,aligns)] == 0} {
        disableAlign $top
    }
}

proc NoMarkAlign {top} {
    unset -nocomplain ::eskil($top,align1)
    unset -nocomplain ::eskil($top,align2)
    unset -nocomplain ::eskil($top,aligntext1)
    unset -nocomplain ::eskil($top,aligntext2)
}

# Mark a line as aligned.
proc markAlign {top n line text} {
    set ::eskil($top,align$n) $line
    set ::eskil($top,aligntext$n) $text

    if {[info exists ::eskil($top,align1)] && [info exists ::eskil($top,align2)]} {
        if {![string equal $::eskil($top,aligntext1) $::eskil($top,aligntext2)]} {
            set apa [tk_messageBox -icon question -title "Align" -type yesno \
                    -message "Those lines are not equal.\nReally align them?"]
            if {$apa != "yes"} {
                return 0
            }
        }

        lappend ::eskil($top,aligns) $::eskil($top,align1) $::eskil($top,align2)
        enableAlign $top

        NoMarkAlign $top
        return 1
    }
    return 0
}
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    if {![regexp {\d+} $data line]} {
        return 1
    }
    set text [$::widgets($top,wDiff$n) get $row.0 $row.end]

    set other [expr {$n == 1 ? 2 : 1}]
    set cmd [list markAlign $top $n $line $text]
    if {![info exists ::diff($top,align$other)]} {
        set label "Mark line for alignment"
    } else {
        set label "Align with line $::diff($top,align$other) on other side"
    }

    if {[info exists ::diff($top,aligns)]} {
        foreach {align1 align2} $::diff($top,aligns) {
            if {$n == 1 && $line == $align1} {
                set label "Remove alignment with line $align2"
                set cmd [list clearAlign $top $align1]
            } elseif {$n == 2 && $line == $align2} {
                set label "Remove alignment with line $align1"
                set cmd [list clearAlign $top $align1]
            }








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    if {![regexp {\d+} $data line]} {
        return 1
    }
    set text [$::widgets($top,wDiff$n) get $row.0 $row.end]

    set other [expr {$n == 1 ? 2 : 1}]
    set cmd [list markAlign $top $n $line $text]
    if {![info exists ::eskil($top,align$other)]} {
        set label "Mark line for alignment"
    } else {
        set label "Align with line $::eskil($top,align$other) on other side"
    }

    if {[info exists ::eskil($top,aligns)]} {
        foreach {align1 align2} $::eskil($top,aligns) {
            if {$n == 1 && $line == $align1} {
                set label "Remove alignment with line $align2"
                set cmd [list clearAlign $top $align1]
            } elseif {$n == 2 && $line == $align2} {
                set label "Remove alignment with line $align1"
                set cmd [list clearAlign $top $align1]
            }
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proc startAlignDrag {top n x y X Y} {
    # Get the row that was clicked
    set w $::widgets($top,wLine$n)
    set index [$w index @$x,$y]
    set row [lindex [split $index "."] 0]

    set data [$w get $row.0 $row.end]
    set ::diff($top,alignDrag,state) none
    # Must be a line number
    if {![regexp {\d+} $data line]} {
        return 1
    }
    # Set up information about start of drag
    set text [$::widgets($top,wDiff$n) get $row.0 $row.end]
    set other [expr {$n == 1 ? 2 : 1}]
    set ::diff($top,alignDrag,X) $X
    set ::diff($top,alignDrag,Y) $Y
    set ::diff($top,alignDrag,from) $n
    set ::diff($top,alignDrag,line$n) $line
    set ::diff($top,alignDrag,text$n) $text
    set ::diff($top,alignDrag,line$other) "?"
    set ::diff($top,alignDrag,state) press
}

# Mouse moves with button down
proc motionAlignDrag {top n shift x y X Y} {
    if {$::diff($top,alignDrag,state) eq "press"} {
        # Have we moved enough to call it dragging?
        set dX [expr {abs($X - $::diff($top,alignDrag,X))}]
        set dY [expr {abs($Y - $::diff($top,alignDrag,Y))}]
        if {$dX + $dY > 3} {
            # Start a drag action
            set w $top.alignDrag
            destroy $w
            toplevel $w
            wm overrideredirect $w 1
            label $w.l -borderwidth 1 -relief solid -justify left
            pack $w.l
            set ::diff($top,alignDrag,W) $w
            set ::diff($top,alignDrag,state) "drag"
        }
    }
    if {$::diff($top,alignDrag,state) eq "drag"} {
        set w $::diff($top,alignDrag,W)
        # Move drag label with cursor
        wm geometry $w +[expr {$X + 1}]+[expr {$Y + 1}]
        
        set n $::diff($top,alignDrag,from)
        set other [expr {$n == 1 ? 2 : 1}]
        set w2 $::widgets($top,wLine$other)
        # Are we over the other line window?
        if {[winfo containing $X $Y] eq $w2} {
            set x [expr {$X - [winfo rootx $w2]}]
            set y [expr {$Y - [winfo rooty $w2]}]
            set index [$w2 index @$x,$y]
            set row [lindex [split $index "."] 0]
            set data [$w2 get $row.0 $row.end]
            if {![regexp {\d+} $data line]} {
                set ::diff($top,alignDrag,line$other) "?"
            } else {
                set ::diff($top,alignDrag,line$other) $line
                set text [$::widgets($top,wDiff$other) get $row.0 $row.end]
                set ::diff($top,alignDrag,text$other) $text
            }
        } else {
            set ::diff($top,alignDrag,line$other) "?"
        }
        set txt "Align Left $::diff($top,alignDrag,line1)"
        append txt "\nwith Right $::diff($top,alignDrag,line2)"
        set ::diff($top,alignDrag,shift) $shift
        if {$shift} {
            append txt "\nAnd Redo Diff"
        }
        $w.l configure -text $txt
    }
}

# Button has been released
proc endAlignDrag {top n x y X Y} {
    if {$::diff($top,alignDrag,state) eq "drag"} {
        destroy $::diff($top,alignDrag,W)
        # Are both line numbers valid? I.e. is this a full align operation?
        if {$::diff($top,alignDrag,line1) ne "?" && \
                $::diff($top,alignDrag,line2) ne "?"} {
            NoMarkAlign $top
            markAlign $top 1 $::diff($top,alignDrag,line1) \
                    $::diff($top,alignDrag,text1)
            set marked [markAlign $top 2 $::diff($top,alignDrag,line2) \
                    $::diff($top,alignDrag,text2)]
            if {$::diff($top,alignDrag,shift) && $marked} {
                redoDiff $top
            }
        }
    }
    set ::diff($top,alignDrag,state) none
}

###################
# Diff highlighting
###################

proc hlSelect {top hl} {
    highLightChange $top $hl
}

proc hlSeparate {top n hl} {
    set ::diff($top,separate$n) $hl
    set wd $::widgets($top,wDiff$n)
    set wl $::widgets($top,wLine$n)

    if {$hl eq ""} {
        set range [$wd tag ranges sel]
    } else {
        set range [$wl tag ranges hl$::diff($top,separate$n)]
    }
    set text [$wd get {*}$range]
    set ::diff($top,separatetext$n) $text

    # Get the lines involved in the display
    set from [lindex $range 0]
    set to   [lindex $range 1]
    lassign [split $from "."] froml fromi
    lassign [split $to   "."] tol   toi
    if {$toi == 0} {incr tol -1}
    # Get the corresponding lines in the file
    set t [$wl get $froml.0 $tol.end]
    set lines [lsort -integer [regexp -all -inline {\d+} $t]]
    set froml [lindex $lines 0]
    set tol [lindex $lines end]
    set ::diff($top,separatelines$n) [list $froml $tol]

    if {[info exists ::diff($top,separate1)] && \
            [info exists ::diff($top,separate2)]} {
        if {1} {
            cloneDiff $top [concat $::diff($top,separatelines1) \
                    $::diff($top,separatelines2)]
        } else {
            set f1 [tmpFile]
            set f2 [tmpFile]
            set ch [open $f1 w]
            puts $ch $::diff($top,separatetext1)
            close $ch
            set ch [open $f2 w]
            puts $ch $::diff($top,separatetext2)
            close $ch

            newDiff $f1 $f2
        }
        unset ::diff($top,separate1)
        unset ::diff($top,separate2)
    }
}

proc hlPopup {top n hl X Y x y} {
    if {[info exists ::diff($top,nopopup)] && $::diff($top,nopopup)} return
    destroy .lpm
    menu .lpm

    if {![editMenu .lpm $top $n $hl $x $y]} {
        .lpm add separator
    }

    if {$hl != ""} {
        .lpm add command -label "Select" \
                -command [list hlSelect $top $hl]
    }

    set other [expr {$n == 1 ? 2 : 1}]
    if {![info exists ::diff($top,separate$other)]} {
        set label "Mark for Separate Diff"
    } else {
        set label "Separate Diff"
    }

    .lpm add command -label $label -command [list hlSeparate $top $n $hl]
    alignMenu .lpm $top $n $x $y

    set ::diff($top,nopopup) 1
    tk_popup .lpm $X $Y
    after idle [list after 1 [list set ::diff($top,nopopup) 0]]

    return
}

# This is called when right clicking over the line numbers which are not
# marked for changes
proc rowPopup {w X Y x y} {
    set top [winfo toplevel $w]
    if {[info exists ::diff($top,nopopup)] && $::diff($top,nopopup)} return
    destroy .lpm
    menu .lpm

    regexp {(\d+)\D*$} $w -> n
    set tmp1 [editMenu  .lpm $top $n "" $x $y]
    if {!$tmp1} {.lpm add separator}
    set tmp2 [alignMenu .lpm $top $n $x $y]
    if {$tmp1 && $tmp2} {
        # Nothing in the menu
        return
    }
    if {!$tmp1 && $tmp2} {.lpm delete last}

    set ::diff($top,nopopup) 1
    tk_popup .lpm $X $Y
    after idle [list after 1 [list set ::diff($top,nopopup) 0]]
}

proc nextHighlight {top} {
    set tag hl$::HighLightCount
    foreach n {1 2} {
        $::widgets($top,wLine$n) tag bind $tag <ButtonPress-3> \
                "hlPopup $top $n $::HighLightCount %X %Y %x %y ; break"








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proc startAlignDrag {top n x y X Y} {
    # Get the row that was clicked
    set w $::widgets($top,wLine$n)
    set index [$w index @$x,$y]
    set row [lindex [split $index "."] 0]

    set data [$w get $row.0 $row.end]
    set ::eskil($top,alignDrag,state) none
    # Must be a line number
    if {![regexp {\d+} $data line]} {
        return 1
    }
    # Set up information about start of drag
    set text [$::widgets($top,wDiff$n) get $row.0 $row.end]
    set other [expr {$n == 1 ? 2 : 1}]
    set ::eskil($top,alignDrag,X) $X
    set ::eskil($top,alignDrag,Y) $Y
    set ::eskil($top,alignDrag,from) $n
    set ::eskil($top,alignDrag,line$n) $line
    set ::eskil($top,alignDrag,text$n) $text
    set ::eskil($top,alignDrag,line$other) "?"
    set ::eskil($top,alignDrag,state) press
}

# Mouse moves with button down
proc motionAlignDrag {top n shift x y X Y} {
    if {$::eskil($top,alignDrag,state) eq "press"} {
        # Have we moved enough to call it dragging?
        set dX [expr {abs($X - $::eskil($top,alignDrag,X))}]
        set dY [expr {abs($Y - $::eskil($top,alignDrag,Y))}]
        if {$dX + $dY > 3} {
            # Start a drag action
            set w $top.alignDrag
            destroy $w
            toplevel $w
            wm overrideredirect $w 1
            label $w.l -borderwidth 1 -relief solid -justify left
            pack $w.l
            set ::eskil($top,alignDrag,W) $w
            set ::eskil($top,alignDrag,state) "drag"
        }
    }
    if {$::eskil($top,alignDrag,state) eq "drag"} {
        set w $::eskil($top,alignDrag,W)
        # Move drag label with cursor
        wm geometry $w +[expr {$X + 1}]+[expr {$Y + 1}]
        
        set n $::eskil($top,alignDrag,from)
        set other [expr {$n == 1 ? 2 : 1}]
        set w2 $::widgets($top,wLine$other)
        # Are we over the other line window?
        if {[winfo containing $X $Y] eq $w2} {
            set x [expr {$X - [winfo rootx $w2]}]
            set y [expr {$Y - [winfo rooty $w2]}]
            set index [$w2 index @$x,$y]
            set row [lindex [split $index "."] 0]
            set data [$w2 get $row.0 $row.end]
            if {![regexp {\d+} $data line]} {
                set ::eskil($top,alignDrag,line$other) "?"
            } else {
                set ::eskil($top,alignDrag,line$other) $line
                set text [$::widgets($top,wDiff$other) get $row.0 $row.end]
                set ::eskil($top,alignDrag,text$other) $text
            }
        } else {
            set ::eskil($top,alignDrag,line$other) "?"
        }
        set txt "Align Left $::eskil($top,alignDrag,line1)"
        append txt "\nwith Right $::eskil($top,alignDrag,line2)"
        set ::eskil($top,alignDrag,shift) $shift
        if {$shift} {
            append txt "\nAnd Redo Diff"
        }
        $w.l configure -text $txt
    }
}

# Button has been released
proc endAlignDrag {top n x y X Y} {
    if {$::eskil($top,alignDrag,state) eq "drag"} {
        destroy $::eskil($top,alignDrag,W)
        # Are both line numbers valid? I.e. is this a full align operation?
        if {$::eskil($top,alignDrag,line1) ne "?" && \
                $::eskil($top,alignDrag,line2) ne "?"} {
            NoMarkAlign $top
            markAlign $top 1 $::eskil($top,alignDrag,line1) \
                    $::eskil($top,alignDrag,text1)
            set marked [markAlign $top 2 $::eskil($top,alignDrag,line2) \
                    $::eskil($top,alignDrag,text2)]
            if {$::eskil($top,alignDrag,shift) && $marked} {
                redoDiff $top
            }
        }
    }
    set ::eskil($top,alignDrag,state) none
}

###################
# Diff highlighting
###################

proc hlSelect {top hl} {
    highLightChange $top $hl
}

proc hlSeparate {top n hl} {
    set ::eskil($top,separate$n) $hl
    set wd $::widgets($top,wDiff$n)
    set wl $::widgets($top,wLine$n)

    if {$hl eq ""} {
        set range [$wd tag ranges sel]
    } else {
        set range [$wl tag ranges hl$::eskil($top,separate$n)]
    }
    set text [$wd get {*}$range]
    set ::eskil($top,separatetext$n) $text

    # Get the lines involved in the display
    set from [lindex $range 0]
    set to   [lindex $range 1]
    lassign [split $from "."] froml fromi
    lassign [split $to   "."] tol   toi
    if {$toi == 0} {incr tol -1}
    # Get the corresponding lines in the file
    set t [$wl get $froml.0 $tol.end]
    set lines [lsort -integer [regexp -all -inline {\d+} $t]]
    set froml [lindex $lines 0]
    set tol [lindex $lines end]
    set ::eskil($top,separatelines$n) [list $froml $tol]

    if {[info exists ::eskil($top,separate1)] && \
            [info exists ::eskil($top,separate2)]} {
        if {1} {
            cloneDiff $top [concat $::eskil($top,separatelines1) \
                    $::eskil($top,separatelines2)]
        } else {
            set f1 [tmpFile]
            set f2 [tmpFile]
            set ch [open $f1 w]
            puts $ch $::eskil($top,separatetext1)
            close $ch
            set ch [open $f2 w]
            puts $ch $::eskil($top,separatetext2)
            close $ch

            newDiff $f1 $f2
        }
        unset ::eskil($top,separate1)
        unset ::eskil($top,separate2)
    }
}

proc hlPopup {top n hl X Y x y} {
    if {[info exists ::eskil($top,nopopup)] && $::eskil($top,nopopup)} return
    destroy .lpm
    menu .lpm

    if {![editMenu .lpm $top $n $hl $x $y]} {
        .lpm add separator
    }

    if {$hl != ""} {
        .lpm add command -label "Select" \
                -command [list hlSelect $top $hl]
    }

    set other [expr {$n == 1 ? 2 : 1}]
    if {![info exists ::eskil($top,separate$other)]} {
        set label "Mark for Separate Diff"
    } else {
        set label "Separate Diff"
    }

    .lpm add command -label $label -command [list hlSeparate $top $n $hl]
    alignMenu .lpm $top $n $x $y

    set ::eskil($top,nopopup) 1
    tk_popup .lpm $X $Y
    after idle [list after 1 [list set ::eskil($top,nopopup) 0]]

    return
}

# This is called when right clicking over the line numbers which are not
# marked for changes
proc rowPopup {w X Y x y} {
    set top [winfo toplevel $w]
    if {[info exists ::eskil($top,nopopup)] && $::eskil($top,nopopup)} return
    destroy .lpm
    menu .lpm

    regexp {(\d+)\D*$} $w -> n
    set tmp1 [editMenu  .lpm $top $n "" $x $y]
    if {!$tmp1} {.lpm add separator}
    set tmp2 [alignMenu .lpm $top $n $x $y]
    if {$tmp1 && $tmp2} {
        # Nothing in the menu
        return
    }
    if {!$tmp1 && $tmp2} {.lpm delete last}

    set ::eskil($top,nopopup) 1
    tk_popup .lpm $X $Y
    after idle [list after 1 [list set ::eskil($top,nopopup) 0]]
}

proc nextHighlight {top} {
    set tag hl$::HighLightCount
    foreach n {1 2} {
        $::widgets($top,wLine$n) tag bind $tag <ButtonPress-3> \
                "hlPopup $top $n $::HighLightCount %X %Y %x %y ; break"
︙︙
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667

    font configure myfont -size $Pref(fontsize) -family $Pref(fontfamily)
}

# Change color settings
proc applyColor {} {
    global dirdiff Pref

    foreach top $::diff(diffWindows) {
        if {$top eq ".clipdiff"} continue
        if {$top != ".dirdiff"} {
            foreach item {wLine1 wDiff1 wLine2 wDiff2} {
                if {![info exists ::widgets($top,$item)]} continue
                set w $::widgets($top,$item)

                $w tag configure equal -foreground $Pref(colorequal) \








|








2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672

    font configure myfont -size $Pref(fontsize) -family $Pref(fontfamily)
}

# Change color settings
proc applyColor {} {
    global dirdiff Pref

    foreach top $::eskil(diffWindows) {
        if {$top eq ".clipdiff"} continue
        if {$top != ".dirdiff"} {
            foreach item {wLine1 wDiff1 wLine2 wDiff2} {
                if {![info exists ::widgets($top,$item)]} continue
                set w $::widgets($top,$item)

                $w tag configure equal -foreground $Pref(colorequal) \
︙︙
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775

	uplevel \#0 "trace variable $var w \
		{after idle {$w xview end} ;#}"
    }
}

# Fill in default data for a diff window
proc initDiffData {top} {
    set ::diff($top,leftOK) 0
    set ::diff($top,rightOK) 0
    set ::diff($top,mode) ""
    set ::diff($top,printFile) ""
    set ::diff($top,mergeFile) ""
    set ::diff($top,ancestorFile) ""
    set ::diff($top,conflictFile) ""
    set ::diff($top,limitlines) 0
    set ::diff($top,plugin) ""
}

# Create a new diff window and diff two files
proc newDiff {file1 file2 {range {}}} {
    set top [makeDiffWin]
    update

    set ::diff($top,leftDir) [file dirname $file1]
    set ::diff($top,leftFile) $file1
    set ::diff($top,leftLabel) $file1
    set ::diff($top,leftOK) 1
    set ::diff($top,rightDir) [file dirname $file2]
    set ::diff($top,rightFile) $file2
    set ::diff($top,rightLabel) $file2
    set ::diff($top,rightOK) 1
    set ::diff($top,mode) ""
    set ::diff($top,range) $range
    wm deiconify $top
    raise $top
    update
    doDiff $top
    return $top
}


# Create a new diff window equal to another, except for possibly a range
proc cloneDiff {other {range {}}} {
    set top [makeDiffWin]
    update

    foreach item [array names ::diff $other,*] {
        regsub {^[^,]*,} $item {} item
        set ::diff($top,$item) $::diff($other,$item)
    }
    if {[llength $range] != 0} {
        set ::diff($top,range) $range
    }
    wm deiconify $top
    raise $top
    update
    doDiff $top
}









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|


|








2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780

	uplevel \#0 "trace variable $var w \
		{after idle {$w xview end} ;#}"
    }
}

# Fill in default data for a diff window
proc initDiffData {top} {
    set ::eskil($top,leftOK) 0
    set ::eskil($top,rightOK) 0
    set ::eskil($top,mode) ""
    set ::eskil($top,printFile) ""
    set ::eskil($top,mergeFile) ""
    set ::eskil($top,ancestorFile) ""
    set ::eskil($top,conflictFile) ""
    set ::eskil($top,limitlines) 0
    set ::eskil($top,plugin) ""
}

# Create a new diff window and diff two files
proc newDiff {file1 file2 {range {}}} {
    set top [makeDiffWin]
    update

    set ::eskil($top,leftDir) [file dirname $file1]
    set ::eskil($top,leftFile) $file1
    set ::eskil($top,leftLabel) $file1
    set ::eskil($top,leftOK) 1
    set ::eskil($top,rightDir) [file dirname $file2]
    set ::eskil($top,rightFile) $file2
    set ::eskil($top,rightLabel) $file2
    set ::eskil($top,rightOK) 1
    set ::eskil($top,mode) ""
    set ::eskil($top,range) $range
    wm deiconify $top
    raise $top
    update
    doDiff $top
    return $top
}


# Create a new diff window equal to another, except for possibly a range
proc cloneDiff {other {range {}}} {
    set top [makeDiffWin]
    update

    foreach item [array names ::diff $other,*] {
        regsub {^[^,]*,} $item {} item
        set ::eskil($top,$item) $::eskil($other,$item)
    }
    if {[llength $range] != 0} {
        set ::eskil($top,range) $range
    }
    wm deiconify $top
    raise $top
    update
    doDiff $top
}
︙︙
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804

    global Pref tcl_platform

    if {$top != "" && [winfo exists $top] && [winfo toplevel $top] eq $top} {
        # Reuse the old window
        destroy {*}[winfo children $top]
    } else {
        # Locate a free toplevel name
        if {[info exists ::diff(topDiffCnt)]} {
            set t $::diff(topDiffCnt)
        } else {
            set t 0
        }
        while {[winfo exists .diff$t]} {
            incr t
        }
        set top .diff$t








|
|








2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809

    global Pref tcl_platform

    if {$top != "" && [winfo exists $top] && [winfo toplevel $top] eq $top} {
        # Reuse the old window
        destroy {*}[winfo children $top]
    } else {
        # Locate a free toplevel name
        if {[info exists ::eskil(topDiffCnt)]} {
            set t $::eskil(topDiffCnt)
        } else {
            set t 0
        }
        while {[winfo exists .diff$t]} {
            incr t
        }
        set top .diff$t
︙︙
2980
2981
2982
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2984
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2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000

                -command [list makeDocWin $file] -underline 0
    }
    $top.m.help add separator
    $top.m.help add command -label "About" -command makeAboutWin -underline 0

    ttk::label $top.lr1 -text "Rev 1"
    addBalloon $top.lr1 "Revision number for version diff."
    ttk::entryX $top.er1 -width 12 -textvariable diff($top,doptrev1)
    set ::widgets($top,rev1) $top.er1
    bind $top.er1 <Key-Return> [list redoDiff $top]

    ttk::label $top.lr2 -text "Rev 2"
    addBalloon $top.lr2 "Revision number for version diff."
    ttk::entryX $top.er2 -width 12 -textvariable diff($top,doptrev2)
    set ::widgets($top,rev2) $top.er2
    bind $top.er2 <Key-Return> [list redoDiff $top]

    ttk::button $top.bcm -text Commit -command [list revCommit $top] \
            -state disabled -underline 0
    set ::widgets($top,commit) $top.bcm
    ttk::button $top.blg -text Log -command [list revLog $top] \








|





|








2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005

                -command [list makeDocWin $file] -underline 0
    }
    $top.m.help add separator
    $top.m.help add command -label "About" -command makeAboutWin -underline 0

    ttk::label $top.lr1 -text "Rev 1"
    addBalloon $top.lr1 "Revision number for version diff."
    ttk::entryX $top.er1 -width 12 -textvariable ::eskil($top,doptrev1)
    set ::widgets($top,rev1) $top.er1
    bind $top.er1 <Key-Return> [list redoDiff $top]

    ttk::label $top.lr2 -text "Rev 2"
    addBalloon $top.lr2 "Revision number for version diff."
    ttk::entryX $top.er2 -width 12 -textvariable ::eskil($top,doptrev2)
    set ::widgets($top,rev2) $top.er2
    bind $top.er2 <Key-Return> [list redoDiff $top]

    ttk::button $top.bcm -text Commit -command [list revCommit $top] \
            -state disabled -underline 0
    set ::widgets($top,commit) $top.bcm
    ttk::button $top.blg -text Log -command [list revLog $top] \
︙︙
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025

    bind $top <Alt-p> [list findDiff $top -1]
    bind $top <Alt-c> [list revCommit $top]
    bind $top <Alt-l> [list revLog $top]

    catch {font delete myfont}
    font create myfont -family $Pref(fontfamily) -size $Pref(fontsize)

    fileLabel $top.l1 -textvariable diff($top,leftLabel)
    fileLabel $top.l2 -textvariable diff($top,rightLabel)

    ttk::frame $top.ft1 -borderwidth 2 -relief sunken
    text $top.ft1.tl -height $Pref(lines) -width 5 -wrap none \
            -font myfont -borderwidth 0 -padx 0 -highlightthickness 0 \
            -takefocus 0
    text $top.ft1.tt -height $Pref(lines) -width $Pref(linewidth) -wrap none \
            -xscrollcommand [list $top.sbx1 set] \








|
|








3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030

    bind $top <Alt-p> [list findDiff $top -1]
    bind $top <Alt-c> [list revCommit $top]
    bind $top <Alt-l> [list revLog $top]

    catch {font delete myfont}
    font create myfont -family $Pref(fontfamily) -size $Pref(fontsize)

    fileLabel $top.l1 -textvariable ::eskil($top,leftLabel)
    fileLabel $top.l2 -textvariable ::eskil($top,rightLabel)

    ttk::frame $top.ft1 -borderwidth 2 -relief sunken
    text $top.ft1.tl -height $Pref(lines) -width 5 -wrap none \
            -font myfont -borderwidth 0 -padx 0 -highlightthickness 0 \
            -takefocus 0
    text $top.ft1.tt -height $Pref(lines) -width $Pref(linewidth) -wrap none \
            -xscrollcommand [list $top.sbx1 set] \
︙︙
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139

            $top.m.md add separator
        }
        $top.m.md add checkbutton -label "Wrap" -variable wrapstate \
                -onvalue char -offvalue none -command \
                "$top.ft1.tt configure -wrap \$wrapstate ;\
                $top.ft2.tt configure -wrap \$wrapstate"
        $top.m.md add command -label "Date Filter" \
                -command {set ::diff(filter) {^Date}}
        $top.m.md add separator
        $top.m.md add command -label "Reread Source" -underline 0 \
                -command {EskilRereadSource}
        $top.m.md add separator
        $top.m.md add command -label "Redraw Window" \
                -command [list makeDiffWin $top]
        $top.m.md add separator








|








3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144

            $top.m.md add separator
        }
        $top.m.md add checkbutton -label "Wrap" -variable wrapstate \
                -onvalue char -offvalue none -command \
                "$top.ft1.tt configure -wrap \$wrapstate ;\
                $top.ft2.tt configure -wrap \$wrapstate"
        $top.m.md add command -label "Date Filter" \
                -command {set ::eskil(filter) {^Date}}
        $top.m.md add separator
        $top.m.md add command -label "Reread Source" -underline 0 \
                -command {EskilRereadSource}
        $top.m.md add separator
        $top.m.md add command -label "Redraw Window" \
                -command [list makeDiffWin $top]
        $top.m.md add separator
︙︙
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322

        font configure tmpfont -size $TmpPref(fontsize)
    }
}

proc UpdateFontBox {lb} {
    $lb delete 0 end
    foreach {f fixed} $::FontCache {
        if {$fixed || !$::diff(fixedfont)} {
            $lb insert end $f
            if {[string equal -nocase $f $::Pref(fontfamily)]} {
                $lb selection set end
                $lb see end
            }
        }
    }








|








3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327

        font configure tmpfont -size $TmpPref(fontsize)
    }
}

proc UpdateFontBox {lb} {
    $lb delete 0 end
    foreach {f fixed} $::FontCache {
        if {$fixed || !$::eskil(fixedfont)} {
            $lb insert end $f
            if {[string equal -nocase $f $::Pref(fontfamily)]} {
                $lb selection set end
                $lb see end
            }
        }
    }
︙︙
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362

    ttk::labelframe .fo.ls -text "Size" -padding 3
    spinbox .fo.ls.sp -from 1 -to 30 -increment 1 -width 3 -state readonly \
            -textvariable TmpPref(fontsize) -command [list exampleFont $lb]
    pack .fo.ls.sp -fill both -expand 1

    ttk::label .fo.le -text "Example\n0Ooi1Il" -anchor w -font tmpfont \
            -width 1 -justify left
    if {![info exists ::diff(fixedfont)]} {set ::diff(fixedfont) 1}
    ttk::checkbutton .fo.cb -text "Fixed" -variable ::diff(fixedfont) \
            -command [list UpdateFontBox $lb]
    ttk::button .fo.bo -text "Ok"    -command "applyFont $lb ; destroy .fo"
    ttk::button .fo.ba -text "Apply" -command "applyFont $lb"
    ttk::button .fo.bc -text "Close" -command "destroy .fo"

    if {![info exists FontCache]} {
        set fam [lsort -dictionary [font families]]








|
|








3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367

    ttk::labelframe .fo.ls -text "Size" -padding 3
    spinbox .fo.ls.sp -from 1 -to 30 -increment 1 -width 3 -state readonly \
            -textvariable TmpPref(fontsize) -command [list exampleFont $lb]
    pack .fo.ls.sp -fill both -expand 1

    ttk::label .fo.le -text "Example\n0Ooi1Il" -anchor w -font tmpfont \
            -width 1 -justify left
    if {![info exists ::eskil(fixedfont)]} {set ::eskil(fixedfont) 1}
    ttk::checkbutton .fo.cb -text "Fixed" -variable ::eskil(fixedfont) \
            -command [list UpdateFontBox $lb]
    ttk::button .fo.bo -text "Ok"    -command "applyFont $lb ; destroy .fo"
    ttk::button .fo.ba -text "Apply" -command "applyFont $lb"
    ttk::button .fo.bc -text "Close" -command "destroy .fo"

    if {![info exists FontCache]} {
        set fam [lsort -dictionary [font families]]
︙︙
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}

###########################
# Editor for ::Pref(regsub)
###########################

proc EditPrefRegsubOk {top w} {
    set exa $::diff($top,prefregexa)

    set result {}
    for {set t 1} {[info exists ::diff($top,prefregexp$t)]} {incr t} {
        set RE $::diff($top,prefregexp$t)
        set Sub $::diff($top,prefregsub$t)
        if {$RE eq ""} continue

        if {[catch {regsub -all -- $RE $exa $Sub _} err]} {
            return
        }
        lappend result $RE $Sub
    }

    set ::Pref(regsub) $result
    destroy $w

    array unset ::diff $top,prefregexp*
    array unset ::diff $top,prefregsub*
}

proc EditPrefRegsubUpdate {top args} {
    set exa $::diff($top,prefregexa)
    set exa2 $::diff($top,prefregexa2)
    set ok $::widgets($top,prefRegsubOk)

    for {set t 1} {[info exists ::diff($top,prefregexp$t)]} {incr t} {
        set RE $::diff($top,prefregexp$t)
        set Sub $::diff($top,prefregsub$t)

        if {$RE eq ""} continue

        if {[catch {regsub -all -- $RE $exa $Sub result} err]} {
            set ::diff($top,prefregresult) "$t ERROR: $err"
            $ok configure -state disabled
            return
        } else {
            set exa $result
        }
        if {[catch {regsub -all -- $RE $exa2 $Sub result} err]} {
            set ::diff($top,prefregresult2) "$t ERROR: $err"
            $ok configure -state disabled
            return
        } else {
            set exa2 $result
        }
    }
    set ::diff($top,prefregresult2) $exa2
    set ::diff($top,prefregresult) $exa
    $ok configure -state normal
}

proc AddPrefRegsub {top parent} {
    for {set t 1} {[winfo exists $parent.fr$t]} {incr t} {
        #Empty
    }
    set w [ttk::frame $parent.fr$t -borderwidth 2 -relief groove -padding 3]
    ttk::label $w.l1 -text "Regexp:" -anchor "w"
    ttk::entryX $w.e1 -textvariable ::diff($top,prefregexp$t) -width 60
    ttk::label $w.l2 -text "Subst:" -anchor "w"
    ttk::entryX $w.e2 -textvariable ::diff($top,prefregsub$t)

    grid $w.l1 $w.e1 -sticky we -padx 3 -pady 3
    grid $w.l2 $w.e2 -sticky we -padx 3 -pady 3
    grid columnconfigure $w 1 -weight 1

    pack $w -side "top" -fill x -padx 3 -pady 3

    trace add variable ::diff($top,prefregexp$t) write \
            [list EditPrefRegsubUpdate $top]
    trace add variable ::diff($top,prefregsub$t) write \
            [list EditPrefRegsubUpdate $top]
}

# Editor for ::Pref(regsub)
proc EditPrefRegsub {top} {
    set w $top.prefregsub

    if {[winfo exists $w] && [winfo toplevel $w] eq $w} {
        wm deiconify $w
        raise $w
        focus $w
    } else {
        toplevel $w -padx 3 -pady 3
        wm title $w "Preferences: Preprocess"
    }

    ttk::button $w.b -text "Add" -command [list AddPrefRegsub $top $w]

    # Result example part
    if {![info exists ::diff($top,prefregexa)]} {
        set ::diff($top,prefregexa) \
                "An example TextString FOR_REGSUB /* Comment */"
        set ::diff($top,prefregexa2) \
                "An example TextString FOR_REGSUB /* Comment */"
    }
    ttk::labelframe $w.res -text "Preprocessing result" -padding 3
    ttk::label $w.res.l3 -text "Example 1:" -anchor "w"
    ttk::entryX $w.res.e3 -textvariable ::diff($top,prefregexa) -width 60
    ttk::label $w.res.l4 -text "Result 1:" -anchor "w"
    ttk::label $w.res.e4 -textvariable ::diff($top,prefregresult) \
            -anchor "w" -width 10
    ttk::label $w.res.l5 -text "Example 2:" -anchor "w"
    ttk::entryX $w.res.e5 -textvariable ::diff($top,prefregexa2)
    ttk::label $w.res.l6 -text "Result 2:" -anchor "w"
    ttk::label $w.res.e6 -textvariable ::diff($top,prefregresult2) \
            -anchor "w" -width 10

    grid $w.res.l3 $w.res.e3 -sticky we -padx 3 -pady 3
    grid $w.res.l4 $w.res.e4 -sticky we -padx 3 -pady 3
    grid $w.res.l5 $w.res.e5 -sticky we -padx 3 -pady 3
    grid $w.res.l6 $w.res.e6 -sticky we -padx 3 -pady 3
    grid columnconfigure $w.res 1 -weight 1








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}

###########################
# Editor for ::Pref(regsub)
###########################

proc EditPrefRegsubOk {top w} {
    set exa $::eskil($top,prefregexa)

    set result {}
    for {set t 1} {[info exists ::eskil($top,prefregexp$t)]} {incr t} {
        set RE $::eskil($top,prefregexp$t)
        set Sub $::eskil($top,prefregsub$t)
        if {$RE eq ""} continue

        if {[catch {regsub -all -- $RE $exa $Sub _} err]} {
            return
        }
        lappend result $RE $Sub
    }

    set ::Pref(regsub) $result
    destroy $w

    array unset ::eskil $top,prefregexp*
    array unset ::eskil $top,prefregsub*
}

proc EditPrefRegsubUpdate {top args} {
    set exa $::eskil($top,prefregexa)
    set exa2 $::eskil($top,prefregexa2)
    set ok $::widgets($top,prefRegsubOk)

    for {set t 1} {[info exists ::eskil($top,prefregexp$t)]} {incr t} {
        set RE $::eskil($top,prefregexp$t)
        set Sub $::eskil($top,prefregsub$t)

        if {$RE eq ""} continue

        if {[catch {regsub -all -- $RE $exa $Sub result} err]} {
            set ::eskil($top,prefregresult) "$t ERROR: $err"
            $ok configure -state disabled
            return
        } else {
            set exa $result
        }
        if {[catch {regsub -all -- $RE $exa2 $Sub result} err]} {
            set ::eskil($top,prefregresult2) "$t ERROR: $err"
            $ok configure -state disabled
            return
        } else {
            set exa2 $result
        }
    }
    set ::eskil($top,prefregresult2) $exa2
    set ::eskil($top,prefregresult) $exa
    $ok configure -state normal
}

proc AddPrefRegsub {top parent} {
    for {set t 1} {[winfo exists $parent.fr$t]} {incr t} {
        #Empty
    }
    set w [ttk::frame $parent.fr$t -borderwidth 2 -relief groove -padding 3]
    ttk::label $w.l1 -text "Regexp:" -anchor "w"
    ttk::entryX $w.e1 -textvariable ::eskil($top,prefregexp$t) -width 60
    ttk::label $w.l2 -text "Subst:" -anchor "w"
    ttk::entryX $w.e2 -textvariable ::eskil($top,prefregsub$t)

    grid $w.l1 $w.e1 -sticky we -padx 3 -pady 3
    grid $w.l2 $w.e2 -sticky we -padx 3 -pady 3
    grid columnconfigure $w 1 -weight 1

    pack $w -side "top" -fill x -padx 3 -pady 3

    trace add variable ::eskil($top,prefregexp$t) write \
            [list EditPrefRegsubUpdate $top]
    trace add variable ::eskil($top,prefregsub$t) write \
            [list EditPrefRegsubUpdate $top]
}

# Editor for ::Pref(regsub)
proc EditPrefRegsub {top} {
    set w $top.prefregsub

    if {[winfo exists $w] && [winfo toplevel $w] eq $w} {
        wm deiconify $w
        raise $w
        focus $w
    } else {
        toplevel $w -padx 3 -pady 3
        wm title $w "Preferences: Preprocess"
    }

    ttk::button $w.b -text "Add" -command [list AddPrefRegsub $top $w]

    # Result example part
    if {![info exists ::eskil($top,prefregexa)]} {
        set ::eskil($top,prefregexa) \
                "An example TextString FOR_REGSUB /* Comment */"
        set ::eskil($top,prefregexa2) \
                "An example TextString FOR_REGSUB /* Comment */"
    }
    ttk::labelframe $w.res -text "Preprocessing result" -padding 3
    ttk::label $w.res.l3 -text "Example 1:" -anchor "w"
    ttk::entryX $w.res.e3 -textvariable ::eskil($top,prefregexa) -width 60
    ttk::label $w.res.l4 -text "Result 1:" -anchor "w"
    ttk::label $w.res.e4 -textvariable ::eskil($top,prefregresult) \
            -anchor "w" -width 10
    ttk::label $w.res.l5 -text "Example 2:" -anchor "w"
    ttk::entryX $w.res.e5 -textvariable ::eskil($top,prefregexa2)
    ttk::label $w.res.l6 -text "Result 2:" -anchor "w"
    ttk::label $w.res.e6 -textvariable ::eskil($top,prefregresult2) \
            -anchor "w" -width 10

    grid $w.res.l3 $w.res.e3 -sticky we -padx 3 -pady 3
    grid $w.res.l4 $w.res.e4 -sticky we -padx 3 -pady 3
    grid $w.res.l5 $w.res.e5 -sticky we -padx 3 -pady 3
    grid $w.res.l6 $w.res.e6 -sticky we -padx 3 -pady 3
    grid columnconfigure $w.res 1 -weight 1
︙︙
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3542
3543
3544


    # Fill in existing or an empty line
    if {[llength $::Pref(regsub)] == 0} {
        AddPrefRegsub $top $w
    } else {
        set t 1
        foreach {RE Sub} $::Pref(regsub) {
            set ::diff($top,prefregexp$t) $RE
            set ::diff($top,prefregsub$t) $Sub
            AddPrefRegsub $top $w
            incr t
        }
    }

    trace add variable ::diff($top,prefregexa) write \
            [list EditPrefRegsubUpdate $top]
    trace add variable ::diff($top,prefregexa2) write \
            [list EditPrefRegsubUpdate $top]
    EditPrefRegsubUpdate $top
}

proc defaultGuiOptions {} {
    catch {package require griffin}









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3526
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3549


    # Fill in existing or an empty line
    if {[llength $::Pref(regsub)] == 0} {
        AddPrefRegsub $top $w
    } else {
        set t 1
        foreach {RE Sub} $::Pref(regsub) {
            set ::eskil($top,prefregexp$t) $RE
            set ::eskil($top,prefregsub$t) $Sub
            AddPrefRegsub $top $w
            incr t
        }
    }

    trace add variable ::eskil($top,prefregexa) write \
            [list EditPrefRegsubUpdate $top]
    trace add variable ::eskil($top,prefregexa2) write \
            [list EditPrefRegsubUpdate $top]
    EditPrefRegsubUpdate $top
}

proc defaultGuiOptions {} {
    catch {package require griffin}
︙︙
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4121
4122
4123
4124
4125

    }

    # Ok, we have a normal diff
    set top [makeDiffWin]
    update
    # Copy the previously collected options
    foreach {item val} [array get opts] {
        set ::diff($top,$item) $val
    }

    # It is preferable to see the end if the rev string is too long
    $::widgets($top,rev1) xview end
    $::widgets($top,rev2) xview end

    if {$doreview} {
        set rev [detectRevSystem "" $preferedRev]
        set ::diff($top,modetype) $rev
        set ::diff($top,mode) "patch"
        set ::diff($top,patchFile) ""
        set ::diff($top,patchData) ""
        set ::diff($top,reviewFiles) $files
        set ::Pref(toolbar) 1
        after idle [list doDiff $top]
        return $top
    }
    if {$len == 1 || $foreach} {
        set ReturnAfterLoop 0
        set first 1
        foreach file $files {
            if {$first} {
                set first 0
            } else {
                # Create new window for other files
                set top [makeDiffWin]
                update
                # Copy the previously collected options
                foreach {item val} [array get opts] {
                    set ::diff($top,$item) $val
                }
                # It is preferable to see the end if the rev string is too long
                $::widgets($top,rev1) xview end
                $::widgets($top,rev2) xview end
            }
            set fullname $file
            set fulldir [file dirname $fullname]
            if {$::diff($top,mode) eq "conflict"} {
                startConflictDiff $top $fullname
                after idle [list doDiff $top]
                set ReturnAfterLoop 1
                continue
            }
            if {!$autobrowse && !$dopatch} {
                # Check for revision control
                set rev [detectRevSystem $fullname $preferedRev]
                if {$rev ne ""} {
                    startRevMode $top $rev $fullname
                    if {$noautodiff} {
                        enableRedo $top
                    } else {
                        after idle [list doDiff $top]
                    }
                    set ReturnAfterLoop 1
                    continue
                }
            }
            # No revision control. Is it a patch file?
            set ::diff($top,leftDir) $fulldir
            set ::diff($top,leftFile) $fullname
            set ::diff($top,leftLabel) $fullname
            set ::diff($top,leftOK) 1
            if {$dopatch                                 || \
                    [regexp {\.(diff|patch)$} $fullname] || \
                    $fullname eq "-"} {
                set ::diff($top,mode) "patch"
                set ::diff($top,patchFile) $fullname
                set ::diff($top,patchData) ""
                set autobrowse 0
                if {$noautodiff} {
                    enableRedo $top
                } else {
                    after idle [list doDiff $top]
                }
                set ReturnAfterLoop 1
                continue
            }
        }
        if {$ReturnAfterLoop} {return $top}
    } elseif {$len >= 2} {
        set fullname [file join [pwd] [lindex $files 0]]
        set fulldir [file dirname $fullname]
        set ::diff($top,leftDir) $fulldir
        set ::diff($top,leftFile) $fullname
        set ::diff($top,leftLabel) $fullname
        set ::diff($top,leftOK) 1
        set fullname [file join [pwd] [lindex $files 1]]
        set fulldir [file dirname $fullname]
        set ::diff($top,rightDir) $fulldir
        set ::diff($top,rightFile) $fullname
        set ::diff($top,rightLabel) $fullname
        set ::diff($top,rightOK) 1
        if {$noautodiff} {
            enableRedo $top
        } else {
            after idle [list doDiff $top]
        }
    }
    if {$autobrowse && (!$::diff($top,leftOK) || !$::diff($top,rightOK))} {
        if {!$::diff($top,leftOK) && !$::diff($top,rightOK)} {
            openBoth $top 0
        } elseif {!$::diff($top,leftOK)} {
            openLeft $top
        } elseif {!$::diff($top,rightOK)} {
            openRight $top
        }
        # If we cancel the second file and detect CVS, ask about it.
        if {$::diff($top,leftOK) && !$::diff($top,rightOK) && \
                [llength [glob -nocomplain [file join $fulldir CVS]]]} {

            if {[tk_messageBox -title Diff -icon question \
                    -message "Do CVS diff?" -type yesno] eq "yes"} {
                set fullname $::diff($top,leftFile)
                set ::diff($top,leftOK) 0
                startRevMode $top "CVS" $fullname
                after idle [list doDiff $top]
            }
        }
    }
    return $top
}








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4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130

    }

    # Ok, we have a normal diff
    set top [makeDiffWin]
    update
    # Copy the previously collected options
    foreach {item val} [array get opts] {
        set ::eskil($top,$item) $val
    }

    # It is preferable to see the end if the rev string is too long
    $::widgets($top,rev1) xview end
    $::widgets($top,rev2) xview end

    if {$doreview} {
        set rev [detectRevSystem "" $preferedRev]
        set ::eskil($top,modetype) $rev
        set ::eskil($top,mode) "patch"
        set ::eskil($top,patchFile) ""
        set ::eskil($top,patchData) ""
        set ::eskil($top,reviewFiles) $files
        set ::Pref(toolbar) 1
        after idle [list doDiff $top]
        return $top
    }
    if {$len == 1 || $foreach} {
        set ReturnAfterLoop 0
        set first 1
        foreach file $files {
            if {$first} {
                set first 0
            } else {
                # Create new window for other files
                set top [makeDiffWin]
                update
                # Copy the previously collected options
                foreach {item val} [array get opts] {
                    set ::eskil($top,$item) $val
                }
                # It is preferable to see the end if the rev string is too long
                $::widgets($top,rev1) xview end
                $::widgets($top,rev2) xview end
            }
            set fullname $file
            set fulldir [file dirname $fullname]
            if {$::eskil($top,mode) eq "conflict"} {
                startConflictDiff $top $fullname
                after idle [list doDiff $top]
                set ReturnAfterLoop 1
                continue
            }
            if {!$autobrowse && !$dopatch} {
                # Check for revision control
                set rev [detectRevSystem $fullname $preferedRev]
                if {$rev ne ""} {
                    startRevMode $top $rev $fullname
                    if {$noautodiff} {
                        enableRedo $top
                    } else {
                        after idle [list doDiff $top]
                    }
                    set ReturnAfterLoop 1
                    continue
                }
            }
            # No revision control. Is it a patch file?
            set ::eskil($top,leftDir) $fulldir
            set ::eskil($top,leftFile) $fullname
            set ::eskil($top,leftLabel) $fullname
            set ::eskil($top,leftOK) 1
            if {$dopatch                                 || \
                    [regexp {\.(diff|patch)$} $fullname] || \
                    $fullname eq "-"} {
                set ::eskil($top,mode) "patch"
                set ::eskil($top,patchFile) $fullname
                set ::eskil($top,patchData) ""
                set autobrowse 0
                if {$noautodiff} {
                    enableRedo $top
                } else {
                    after idle [list doDiff $top]
                }
                set ReturnAfterLoop 1
                continue
            }
        }
        if {$ReturnAfterLoop} {return $top}
    } elseif {$len >= 2} {
        set fullname [file join [pwd] [lindex $files 0]]
        set fulldir [file dirname $fullname]
        set ::eskil($top,leftDir) $fulldir
        set ::eskil($top,leftFile) $fullname
        set ::eskil($top,leftLabel) $fullname
        set ::eskil($top,leftOK) 1
        set fullname [file join [pwd] [lindex $files 1]]
        set fulldir [file dirname $fullname]
        set ::eskil($top,rightDir) $fulldir
        set ::eskil($top,rightFile) $fullname
        set ::eskil($top,rightLabel) $fullname
        set ::eskil($top,rightOK) 1
        if {$noautodiff} {
            enableRedo $top
        } else {
            after idle [list doDiff $top]
        }
    }
    if {$autobrowse && (!$::eskil($top,leftOK) || !$::eskil($top,rightOK))} {
        if {!$::eskil($top,leftOK) && !$::eskil($top,rightOK)} {
            openBoth $top 0
        } elseif {!$::eskil($top,leftOK)} {
            openLeft $top
        } elseif {!$::eskil($top,rightOK)} {
            openRight $top
        }
        # If we cancel the second file and detect CVS, ask about it.
        if {$::eskil($top,leftOK) && !$::eskil($top,rightOK) && \
                [llength [glob -nocomplain [file join $fulldir CVS]]]} {

            if {[tk_messageBox -title Diff -icon question \
                    -message "Do CVS diff?" -type yesno] eq "yes"} {
                set fullname $::eskil($top,leftFile)
                set ::eskil($top,leftOK) 0
                startRevMode $top "CVS" $fullname
                after idle [list doDiff $top]
            }
        }
    }
    return $top
}
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    # Store default preferences, to filter saved preferences
    array set ::DefaultPref [array get Pref]

    # Backward compatibilty option
    set Pref(onlydiffs) -1

    set ::diff(filter) ""

    if {![info exists ::eskil_testsuite] && [file exists "~/.eskilrc"]} {
        safeLoad "~/.eskilrc" Pref
    }

    if {$Pref(editor) ne ""} {
        set ::util(editor) $Pref(editor)








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    # Store default preferences, to filter saved preferences
    array set ::DefaultPref [array get Pref]

    # Backward compatibilty option
    set Pref(onlydiffs) -1

    set ::eskil(filter) ""

    if {![info exists ::eskil_testsuite] && [file exists "~/.eskilrc"]} {
        safeLoad "~/.eskilrc" Pref
    }

    if {$Pref(editor) ne ""} {
        set ::util(editor) $Pref(editor)
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    if {[catch {cd [file join $::eskil(thisDir) .. examples]}]} {
        tk_messageBox -icon error -title "Eskil Error" -message \
                "Could not locate examples directory." \
                -type ok
        return
    }
    #set ::diff(tutorial) 1

    # Start up a dirdiff in the examples directory
    set ::dirdiff(leftDir) [file join [pwd] dir1]
    set ::dirdiff(rightDir) [file join [pwd] dir2]
    makeDirDiffWin

    set w [helpWin .ht "Eskil Tutorial"]








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    if {[catch {cd [file join $::eskil(thisDir) .. examples]}]} {
        tk_messageBox -icon error -title "Eskil Error" -message \
                "Could not locate examples directory." \
                -type ok
        return
    }
    #set ::eskil(tutorial) 1

    # Start up a dirdiff in the examples directory
    set ::dirdiff(leftDir) [file join [pwd] dir1]
    set ::dirdiff(rightDir) [file join [pwd] dir2]
    makeDirDiffWin

    set w [helpWin .ht "Eskil Tutorial"]
︙︙
Changes to src/map.tcl.
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    bind $w <Configure> [list drawMap $top %h]
    bind $w <Button-2>  [list ThumbMap $top %y]

    return $w
}

proc clearMap {top} {
    set ::diff($top,changes) {}
    set ::diff($top,mapMax) 0
    drawMap $top -1
}

proc addChange {top n tag line1 n1 line2 n2} {
    if {$tag ne ""} {
        lappend ::diff($top,changes) [list $::diff($top,mapMax) $n \
                $tag $line1 $n1 $line2 $n2]
    }
    incr ::diff($top,mapMax) $n
}

proc addMapLines {top n} {
    incr ::diff($top,mapMax) $n
}

proc drawMap {top newh} {
    global Pref

    set oldh [map$top cget -height]
    if {$oldh == $newh} return

    map$top blank
    if {![info exists ::diff($top,changes)] || \
	    [llength $::diff($top,changes)] == 0} return

    set w [winfo width $top.c_map]
    set h [winfo height $top.c_map]
    set x2 [expr {$w - ($Pref(wideMap) ? 5 : 1)}]
    if {$x2 < 0} { set x2 0 }
    map$top configure -width $w -height $h
    incr h -1
    set y0 0
    foreach change $::diff($top,changes) {
	lassign $change start length type
	set y1 [expr {$start * $h / $::diff($top,mapMax) + 1}]
	if {!$y0} { set y0 $y1 } ;# Record first occurance
	if {$y1 < 1} {set y1 1}
	if {$y1 > $h} {set y1 $h}
	set y2 [expr {($start + $length) * $h / $::diff($top,mapMax) + 1}]
	if {$y2 < 1} {set y2 1}
	if {$y2 <= $y1} {set y2 [expr {$y1 + 1}]}
	if {$y2 > $h} {set y2 $h}
	incr y2
	map$top put $Pref(color$type) -to 1 $y1 $x2 $y2
    }
    if {$Pref(wideMap)} {








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    bind $w <Configure> [list drawMap $top %h]
    bind $w <Button-2>  [list ThumbMap $top %y]

    return $w
}

proc clearMap {top} {
    set ::eskil($top,changes) {}
    set ::eskil($top,mapMax) 0
    drawMap $top -1
}

proc addChange {top n tag line1 n1 line2 n2} {
    if {$tag ne ""} {
        lappend ::eskil($top,changes) [list $::eskil($top,mapMax) $n \
                $tag $line1 $n1 $line2 $n2]
    }
    incr ::eskil($top,mapMax) $n
}

proc addMapLines {top n} {
    incr ::eskil($top,mapMax) $n
}

proc drawMap {top newh} {
    global Pref

    set oldh [map$top cget -height]
    if {$oldh == $newh} return

    map$top blank
    if {![info exists ::eskil($top,changes)] || \
	    [llength $::eskil($top,changes)] == 0} return

    set w [winfo width $top.c_map]
    set h [winfo height $top.c_map]
    set x2 [expr {$w - ($Pref(wideMap) ? 5 : 1)}]
    if {$x2 < 0} { set x2 0 }
    map$top configure -width $w -height $h
    incr h -1
    set y0 0
    foreach change $::eskil($top,changes) {
	lassign $change start length type
	set y1 [expr {$start * $h / $::eskil($top,mapMax) + 1}]
	if {!$y0} { set y0 $y1 } ;# Record first occurance
	if {$y1 < 1} {set y1 1}
	if {$y1 > $h} {set y1 $h}
	set y2 [expr {($start + $length) * $h / $::eskil($top,mapMax) + 1}]
	if {$y2 < 1} {set y2 1}
	if {$y2 <= $y1} {set y2 [expr {$y1 + 1}]}
	if {$y2 > $h} {set y2 $h}
	incr y2
	map$top put $Pref(color$type) -to 1 $y1 $x2 $y2
    }
    if {$Pref(wideMap)} {
︙︙
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#  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
#  Boston, MA 02111-1307, USA.
#
#----------------------------------------------------------------------

# Get all data from the files to merge
proc collectMergeData {top} {
    global diff

    set diff($top,leftMergeData) {}
    set diff($top,rightMergeData) {}
    set diff($top,mergeSelection,AnyConflict) 0

    if {![info exists ::diff($top,changes)]} {
        set ::diff($top,changes) {}
    }

    prepareFiles $top

    set ch1 [open $::diff($top,leftFile) r]
    set ch2 [open $::diff($top,rightFile) r]
    set doingLine1 1
    set doingLine2 1
    set changeNo 0
    foreach change $::diff($top,changes) {
        lassign $change start length type line1 n1 line2 n2
        set data1 {}
        set data2 {}
        while {$doingLine1 < $line1} {
            gets $ch1 apa
            append data1 $apa\n
            incr doingLine1
        }
        while {$doingLine2 < $line2} {
            gets $ch2 apa
            append data2 $apa\n
            incr doingLine2
        }
        lappend diff($top,leftMergeData) $data1
        lappend diff($top,rightMergeData) $data2

        set data1 {}
        set data2 {}
        for {set t 0} {$t < $n1} {incr t} {
            gets $ch1 apa
            append data1 $apa\n
            incr doingLine1
        }
        for {set t 0} {$t < $n2} {incr t} {
            gets $ch2 apa
            append data2 $apa\n
            incr doingLine2
        }
        lappend diff($top,leftMergeData) $data1
        lappend diff($top,rightMergeData) $data2
        set diff($top,mergeSelection,$changeNo) \
                [WhichSide $top $line1 $n1 $line2 $n2 conflict comment]
        set diff($top,mergeSelection,Conflict,$changeNo) $conflict
        set diff($top,mergeSelection,Comment,$changeNo) $comment
        if {$conflict} {
            set diff($top,mergeSelection,AnyConflict) 1
        }
        incr changeNo
    }
    set data1 {}
    set data2 {}
    while {[gets $ch1 apa] != -1} {
        append data1 $apa\n
        incr doingLine1
    }
    while {[gets $ch2 apa] != -1} {
        append data2 $apa\n
        incr doingLine2
    }
    lappend diff($top,leftMergeData) $data1
    lappend diff($top,rightMergeData) $data2

    close $ch1
    close $ch2

    cleanupFiles $top
}

# Fill up the merge window with the initial version of merged files.
proc fillMergeWindow {top} {
    global diff

    set w $top.merge.t
    $w delete 1.0 end
    set marks {}
    set t 0
    set firstConflict -1
    foreach {commLeft diffLeft} $diff($top,leftMergeData) \
            {commRight diffRight} $diff($top,rightMergeData) {
        $w insert end $commRight
        if {![info exists diff($top,mergeSelection,$t)]} continue
        $w mark set merges$t insert
        $w mark gravity merges$t left
        switch $diff($top,mergeSelection,$t) {
            1 { $w insert end $diffLeft merge$t }
            2 { $w insert end $diffRight merge$t }
            12 { $w insert end $diffLeft merge$t 
                $w insert end $diffRight merge$t }
            21 { $w insert end $diffRight merge$t
                $w insert end $diffLeft merge$t  }
        }
        if {$diff($top,mergeSelection,Conflict,$t)} {
            $w tag configure merge$t -background grey
            if {$firstConflict == -1} {
                set firstConflict $t
            }
        }
        lappend marks mergee$t [$w index insert]
        incr t








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#  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
#  Boston, MA 02111-1307, USA.
#
#----------------------------------------------------------------------

# Get all data from the files to merge
proc collectMergeData {top} {
    global eskil

    set eskil($top,leftMergeData) {}
    set eskil($top,rightMergeData) {}
    set eskil($top,mergeSelection,AnyConflict) 0

    if {![info exists eskil($top,changes)]} {
        set eskil($top,changes) {}
    }

    prepareFiles $top

    set ch1 [open $eskil($top,leftFile) r]
    set ch2 [open $eskil($top,rightFile) r]
    set doingLine1 1
    set doingLine2 1
    set changeNo 0
    foreach change $eskil($top,changes) {
        lassign $change start length type line1 n1 line2 n2
        set data1 {}
        set data2 {}
        while {$doingLine1 < $line1} {
            gets $ch1 apa
            append data1 $apa\n
            incr doingLine1
        }
        while {$doingLine2 < $line2} {
            gets $ch2 apa
            append data2 $apa\n
            incr doingLine2
        }
        lappend eskil($top,leftMergeData) $data1
        lappend eskil($top,rightMergeData) $data2

        set data1 {}
        set data2 {}
        for {set t 0} {$t < $n1} {incr t} {
            gets $ch1 apa
            append data1 $apa\n
            incr doingLine1
        }
        for {set t 0} {$t < $n2} {incr t} {
            gets $ch2 apa
            append data2 $apa\n
            incr doingLine2
        }
        lappend eskil($top,leftMergeData) $data1
        lappend eskil($top,rightMergeData) $data2
        set eskil($top,mergeSelection,$changeNo) \
                [WhichSide $top $line1 $n1 $line2 $n2 conflict comment]
        set eskil($top,mergeSelection,Conflict,$changeNo) $conflict
        set eskil($top,mergeSelection,Comment,$changeNo) $comment
        if {$conflict} {
            set eskil($top,mergeSelection,AnyConflict) 1
        }
        incr changeNo
    }
    set data1 {}
    set data2 {}
    while {[gets $ch1 apa] != -1} {
        append data1 $apa\n
        incr doingLine1
    }
    while {[gets $ch2 apa] != -1} {
        append data2 $apa\n
        incr doingLine2
    }
    lappend eskil($top,leftMergeData) $data1
    lappend eskil($top,rightMergeData) $data2

    close $ch1
    close $ch2

    cleanupFiles $top
}

# Fill up the merge window with the initial version of merged files.
proc fillMergeWindow {top} {
    global eskil

    set w $top.merge.t
    $w delete 1.0 end
    set marks {}
    set t 0
    set firstConflict -1
    foreach {commLeft diffLeft} $eskil($top,leftMergeData) \
            {commRight diffRight} $eskil($top,rightMergeData) {
        $w insert end $commRight
        if {![info exists eskil($top,mergeSelection,$t)]} continue
        $w mark set merges$t insert
        $w mark gravity merges$t left
        switch $eskil($top,mergeSelection,$t) {
            1 { $w insert end $diffLeft merge$t }
            2 { $w insert end $diffRight merge$t }
            12 { $w insert end $diffLeft merge$t 
                $w insert end $diffRight merge$t }
            21 { $w insert end $diffRight merge$t
                $w insert end $diffLeft merge$t  }
        }
        if {$eskil($top,mergeSelection,Conflict,$t)} {
            $w tag configure merge$t -background grey
            if {$firstConflict == -1} {
                set firstConflict $t
            }
        }
        lappend marks mergee$t [$w index insert]
        incr t
︙︙
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    $w mark set merges[expr {$t + 1}] end

    set showFirst 0
    if {$firstConflict != -1} {
        set showFirst $firstConflict
    }

    set diff($top,curMerge) $showFirst
    set diff($top,curMergeSel) $diff($top,mergeSelection,$showFirst)
    $w tag configure merge$showFirst -foreground red
    showDiff $top $showFirst
    update
    # If there is any diff, show the first
    if {$t > 0} {
        seeText $w merges$showFirst mergee$showFirst
        # Show status for first chunk
        set diff($top,mergeStatus) \
                $diff($top,mergeSelection,Comment,$showFirst)
    }
}

# Move to and highlight another diff.
proc nextMerge {top delta} {
    global diff

    set w $top.merge.t
    $w tag configure merge$diff($top,curMerge) -foreground ""

    set last [expr {[llength $diff($top,leftMergeData)] / 2 - 1}]

    if {$delta == -1000} {
        # Search backward for conflict
        for {set t [expr {$diff($top,curMerge) - 1}]} {$t >= 0} {incr t -1} {
            if {$diff($top,mergeSelection,Conflict,$t)} {
                set delta [expr {$t - $diff($top,curMerge)}]
                break
            }
        }
    } elseif {$delta == 1000} {
        # Search forward for conflict
        for {set t [expr {$diff($top,curMerge) + 1}]} {$t <= $last} {incr t} {
            if {$diff($top,mergeSelection,Conflict,$t)} {
                set delta [expr {$t - $diff($top,curMerge)}]
                break
            }
        }
    }

    set diff($top,curMerge) [expr {$diff($top,curMerge) + $delta}]
    if {$diff($top,curMerge) < 0} {set diff($top,curMerge) 0}
    if {$diff($top,curMerge) > $last} {
        set diff($top,curMerge) $last
    }
    set diff($top,curMergeSel) $diff($top,mergeSelection,$diff($top,curMerge))
    $w tag configure merge$diff($top,curMerge) -foreground red
    showDiff $top $diff($top,curMerge)
    seeText $w merges$diff($top,curMerge) mergee$diff($top,curMerge)

    set diff($top,mergeStatus) \
            $diff($top,mergeSelection,Comment,$diff($top,curMerge))
}

# Select a merge setting for all diffs.
proc selectMergeAll {top new} {
    global diff

    set end [expr {[llength $diff($top,leftMergeData)] / 2}]
    for {set t 0} {$t < $end} {incr t} {
        selectMerge2 $top $t $new
    }
    set diff($top,curMergeSel) $new
    set w $top.merge.t
    seeText $w merges$diff($top,curMerge) mergee$diff($top,curMerge)
}

# Change merge setting fo current diff.
proc selectMerge {top} {
    global diff

    set w $top.merge.t
    selectMerge2 $top $diff($top,curMerge) $diff($top,curMergeSel)
    seeText $w merges$diff($top,curMerge) mergee$diff($top,curMerge)
}

# Change merge setting for a diff.
proc selectMerge2 {top no new} {
    global diff

    set w $top.merge.t
    # Delete current string
    $w delete merges$no mergee$no

    set diff($top,mergeSelection,$no) $new

    set i [expr {$no * 2 + 1}]
    set diffLeft [lindex $diff($top,leftMergeData) $i]
    set diffRight [lindex $diff($top,rightMergeData) $i]

    # Temporarily switch surrounding marks
    # Two steps are enough since there can't be consecutive empty areas
    # The one before and/or the one after the one being switch might
    # be empty.
    $w mark gravity mergee[expr {$no - 2}] left
    $w mark gravity mergee[expr {$no - 1}] left
    $w mark gravity merges[expr {$no + 1}] right
    $w mark gravity merges[expr {$no + 2}] right

    if {$diff($top,mergeSelection,$no) == 12} {
        $w insert merges$no $diffLeft$diffRight merge$no
    } elseif {$diff($top,mergeSelection,$no) == 21} {
        $w insert merges$no $diffRight$diffLeft merge$no
    } elseif {$diff($top,mergeSelection,$no) == 1} {
        $w insert merges$no $diffLeft merge$no
    } elseif {$diff($top,mergeSelection,$no) == 2} {
        $w insert merges$no $diffRight merge$no
    }
    # Switch back surrounding marks
    $w mark gravity mergee[expr {$no - 2}] right
    $w mark gravity mergee[expr {$no - 1}] right
    $w mark gravity merges[expr {$no + 1}] left
    $w mark gravity merges[expr {$no + 2}] left
}

# Save the merge result.
proc saveMerge {top} {
    set w $top.merge.t

    if {$::diff($top,mergeFile) eq "" && $::diff($top,mode) eq "conflict"} {
        set apa [tk_messageBox -parent $top.merge -icon question \
                -title "Save merge file" -type yesno -message \
                "Do you want to overwrite the original conflict file?"]
        if {$apa == "yes"} {
            set ::diff($top,mergeFile) $::diff($top,conflictFile)
        }
    }
    if {$::diff($top,mergeFile) eq ""} {
        # Ask user which file
        set buttons {}
        set text "Overwrite file or Browse?"
        if {[file exists $::diff($top,leftFile)] && \
                $::diff($top,leftFile) eq $::diff($top,leftLabel)} {
            lappend buttons Left
            append text "\nLeft: $::diff($top,leftFile)"
        }
        if {[file exists $::diff($top,rightFile)] && \
                $::diff($top,rightFile) eq $::diff($top,rightLabel)} {
            lappend buttons Right
            append text "\nRight: $::diff($top,rightFile)"
        }
        lappend buttons Browse Cancel
        if {[llength $buttons] > 2} {
            set apa [tk_dialog .savemerge "Save merge file" \
                    $text \
                    questhead -1 {*}$buttons]
            if {$apa < 0} return
            set apa [lindex $buttons $apa]
            if {$apa eq "Left"} {
                set ::diff($top,mergeFile) $::diff($top,leftFile)
            } elseif {$apa eq "Right"} {
                set ::diff($top,mergeFile) $::diff($top,rightFile)
            } elseif {$apa eq "Cancel"} {
                return
            }
        }
        if {$::diff($top,mergeFile) eq ""} {
            # Browse
            if {[info exists ::diff($top,rightDir)]} {
                set initDir $::diff($top,rightDir)
            } elseif {[info exists ::diff($top,leftDir)]} {
                set initDir $::diff($top,leftDir)
            } else {
                set initDir [pwd]
            }

            set apa [tk_getSaveFile -title "Save merge file" -initialdir $initDir \
                    -parent $top.merge]
            if {$apa eq ""} return
            set ::diff($top,mergeFile) $apa
        }
    }

    set ch [open $::diff($top,mergeFile) "w"]
    fconfigure $ch -translation $::diff($top,mergetranslation)
    puts -nonewline $ch [$w get 1.0 end-1char]
    close $ch

    # Detect if this is a GIT merge, and possibly add it to the index
    # after save (i.e. git add file)
    if {[detectRevSystem $::diff($top,mergeFile)] eq "GIT"} {
        set apa [tk_messageBox -parent $top.merge -icon info -type yesno \
                -title "Diff" \
                -message "Saved merge to file $::diff($top,mergeFile).\nAdd\
                it to GIT index?"]
        if {$apa eq "yes"} {
            eskil::rev::GIT::add $::diff($top,mergeFile)
        }
    } else {
        tk_messageBox -parent $top.merge -icon info -type ok -title "Diff" \
                -message "Saved merge to file $::diff($top,mergeFile)."
    }
}

# Close merge window and clean up.
proc closeMerge {top} {
    global diff

    destroy $top.merge
    set diff($top,leftMergeData) {}
    set diff($top,rightMergeData) {}
    array unset diff $top,mergeSelection,*
}

# Create a window to display merge result.
proc makeMergeWin {top} {
    collectMergeData $top
    if {![info exists ::diff($top,mergetranslation)]} {
        if {$::tcl_platform(platform) eq "windows"} {
            set ::diff($top,mergetranslation) crlf
        } else {
            set ::diff($top,mergetranslation) lf
        }
    }

    set w $top.merge
    if {![winfo exists $w]} {
        toplevel $w
    } else {
        destroy {*}[winfo children $w]
    }
    set anyC $::diff($top,mergeSelection,AnyConflict)

    wm title $w "Merge result: [TitleTail $top]"

    menu $w.m
    $w configure -menu $w.m
    $w.m add cascade -label "File" -underline 0 -menu $w.m.mf
    menu $w.m.mf
    $w.m.mf add command -label "Save" -underline 0 -command "saveMerge $top"
    $w.m.mf add separator
    $w.m.mf add command -label "Close" -underline 0 -command "closeMerge $top"

    $w.m add cascade -label "Select" -underline 0 -menu $w.m.ms
    menu $w.m.ms
    $w.m.ms add radiobutton -label "Left+Right"         -value 12 \
            -variable diff($top,curMergeSel) -command "selectMerge $top"
    $w.m.ms add radiobutton -label "Left" -underline 0  -value 1  \
            -variable diff($top,curMergeSel) -command "selectMerge $top"
    $w.m.ms add radiobutton -label "Right" -underline 0 -value 2  \
            -variable diff($top,curMergeSel) -command "selectMerge $top"
    $w.m.ms add radiobutton -label "Right+Left"         -value 21 \
            -variable diff($top,curMergeSel) -command "selectMerge $top"
    $w.m.ms add separator
    $w.m.ms add command -label "All Left"  -command "selectMergeAll $top 1"
    $w.m.ms add command -label "All Right" -command "selectMergeAll $top 2"

    $w.m add cascade -label "Goto" -underline 0 -menu $w.m.mg
    menu $w.m.mg
    $w.m.mg add command -accelerator "Up" -label "Previous" -command "nextMerge $top -1"
    $w.m.mg add command -accelerator "Down" -label "Next" -command "nextMerge $top 1"
    if {$anyC} {
        $w.m.mg add command -accelerator "Shift-Up" -label "Previous Conflict" -command "nextMerge $top -1000"
        $w.m.mg add command -accelerator "Shift-Down" -label "Next Conflict" -command "nextMerge $top 1000"
    } else {
        $w.m.mg add command -accelerator "Shift-Up" -label "Previous 10" -command "nextMerge $top -10"
        $w.m.mg add command -accelerator "Shift-Down" -label "Next 10" -command "nextMerge $top 10"
    }
    

    $w.m add cascade -label "Config" -underline 0 -menu $w.m.mc
    menu $w.m.mc
    $w.m.mc add radiobutton -label "Line end LF"   -value lf   -variable diff($top,mergetranslation)
    $w.m.mc add radiobutton -label "Line end CRLF" -value crlf -variable diff($top,mergetranslation)
    if {$::diff($top,mode) eq "conflict"} {
        $w.m.mc add separator
        $w.m.mc add checkbutton -label "Pure" -variable diff($top,modetype) \
                -onvalue "Pure" -offvalue "" -command {doDiff}
    }

    ttk::frame $w.f

    ttk::radiobutton $w.f.rb1 -text "LR" -value 12 \
            -variable diff($top,curMergeSel) \
            -command "selectMerge $top"
    ttk::radiobutton $w.f.rb2 -text "L"  -value 1 \
            -variable diff($top,curMergeSel) \
            -command "selectMerge $top"
    ttk::radiobutton $w.f.rb3 -text "R"  -value 2 \
            -variable diff($top,curMergeSel) \
            -command "selectMerge $top"
    ttk::radiobutton $w.f.rb4 -text "RL" -value 21 \
            -variable diff($top,curMergeSel) \
            -command "selectMerge $top"
    bind $w <Key-Left>  "focus $w; set diff($top,curMergeSel) 1; selectMerge $top"
    bind $w <Key-Right> "focus $w; set diff($top,curMergeSel) 2; selectMerge $top"

    ttk::button $w.f.bl -text "Prev C" -command "nextMerge $top -1000"
    ttk::button $w.f.br -text "Next C" -command "nextMerge $top 1000"
    
    ttk::button $w.f.b1 -text "Prev" -command "nextMerge $top -1"
    ttk::button $w.f.b2 -text "Next" -command "nextMerge $top 1"
    bind $w <Key-Down> "focus $w ; nextMerge $top 1"








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    $w mark set merges[expr {$t + 1}] end

    set showFirst 0
    if {$firstConflict != -1} {
        set showFirst $firstConflict
    }

    set eskil($top,curMerge) $showFirst
    set eskil($top,curMergeSel) $eskil($top,mergeSelection,$showFirst)
    $w tag configure merge$showFirst -foreground red
    showDiff $top $showFirst
    update
    # If there is any diff, show the first
    if {$t > 0} {
        seeText $w merges$showFirst mergee$showFirst
        # Show status for first chunk
        set eskil($top,mergeStatus) \
                $eskil($top,mergeSelection,Comment,$showFirst)
    }
}

# Move to and highlight another diff.
proc nextMerge {top delta} {
    global eskil

    set w $top.merge.t
    $w tag configure merge$eskil($top,curMerge) -foreground ""

    set last [expr {[llength $eskil($top,leftMergeData)] / 2 - 1}]

    if {$delta == -1000} {
        # Search backward for conflict
        for {set t [expr {$eskil($top,curMerge) - 1}]} {$t >= 0} {incr t -1} {
            if {$eskil($top,mergeSelection,Conflict,$t)} {
                set delta [expr {$t - $eskil($top,curMerge)}]
                break
            }
        }
    } elseif {$delta == 1000} {
        # Search forward for conflict
        for {set t [expr {$eskil($top,curMerge) + 1}]} {$t <= $last} {incr t} {
            if {$eskil($top,mergeSelection,Conflict,$t)} {
                set delta [expr {$t - $eskil($top,curMerge)}]
                break
            }
        }
    }

    set eskil($top,curMerge) [expr {$eskil($top,curMerge) + $delta}]
    if {$eskil($top,curMerge) < 0} {set eskil($top,curMerge) 0}
    if {$eskil($top,curMerge) > $last} {
        set eskil($top,curMerge) $last
    }
    set eskil($top,curMergeSel) $eskil($top,mergeSelection,$eskil($top,curMerge))
    $w tag configure merge$eskil($top,curMerge) -foreground red
    showDiff $top $eskil($top,curMerge)
    seeText $w merges$eskil($top,curMerge) mergee$eskil($top,curMerge)

    set eskil($top,mergeStatus) \
            $eskil($top,mergeSelection,Comment,$eskil($top,curMerge))
}

# Select a merge setting for all diffs.
proc selectMergeAll {top new} {
    global eskil

    set end [expr {[llength $eskil($top,leftMergeData)] / 2}]
    for {set t 0} {$t < $end} {incr t} {
        selectMerge2 $top $t $new
    }
    set eskil($top,curMergeSel) $new
    set w $top.merge.t
    seeText $w merges$eskil($top,curMerge) mergee$eskil($top,curMerge)
}

# Change merge setting fo current diff.
proc selectMerge {top} {
    global eskil

    set w $top.merge.t
    selectMerge2 $top $eskil($top,curMerge) $eskil($top,curMergeSel)
    seeText $w merges$eskil($top,curMerge) mergee$eskil($top,curMerge)
}

# Change merge setting for a diff.
proc selectMerge2 {top no new} {
    global eskil

    set w $top.merge.t
    # Delete current string
    $w delete merges$no mergee$no

    set eskil($top,mergeSelection,$no) $new

    set i [expr {$no * 2 + 1}]
    set diffLeft [lindex $eskil($top,leftMergeData) $i]
    set diffRight [lindex $eskil($top,rightMergeData) $i]

    # Temporarily switch surrounding marks
    # Two steps are enough since there can't be consecutive empty areas
    # The one before and/or the one after the one being switch might
    # be empty.
    $w mark gravity mergee[expr {$no - 2}] left
    $w mark gravity mergee[expr {$no - 1}] left
    $w mark gravity merges[expr {$no + 1}] right
    $w mark gravity merges[expr {$no + 2}] right

    if {$eskil($top,mergeSelection,$no) == 12} {
        $w insert merges$no $diffLeft$diffRight merge$no
    } elseif {$eskil($top,mergeSelection,$no) == 21} {
        $w insert merges$no $diffRight$diffLeft merge$no
    } elseif {$eskil($top,mergeSelection,$no) == 1} {
        $w insert merges$no $diffLeft merge$no
    } elseif {$eskil($top,mergeSelection,$no) == 2} {
        $w insert merges$no $diffRight merge$no
    }
    # Switch back surrounding marks
    $w mark gravity mergee[expr {$no - 2}] right
    $w mark gravity mergee[expr {$no - 1}] right
    $w mark gravity merges[expr {$no + 1}] left
    $w mark gravity merges[expr {$no + 2}] left
}

# Save the merge result.
proc saveMerge {top} {
    set w $top.merge.t

    if {$::eskil($top,mergeFile) eq "" && $::eskil($top,mode) eq "conflict"} {
        set apa [tk_messageBox -parent $top.merge -icon question \
                -title "Save merge file" -type yesno -message \
                "Do you want to overwrite the original conflict file?"]
        if {$apa == "yes"} {
            set ::eskil($top,mergeFile) $::eskil($top,conflictFile)
        }
    }
    if {$::eskil($top,mergeFile) eq ""} {
        # Ask user which file
        set buttons {}
        set text "Overwrite file or Browse?"
        if {[file exists $::eskil($top,leftFile)] && \
                $::eskil($top,leftFile) eq $::eskil($top,leftLabel)} {
            lappend buttons Left
            append text "\nLeft: $::eskil($top,leftFile)"
        }
        if {[file exists $::eskil($top,rightFile)] && \
                $::eskil($top,rightFile) eq $::eskil($top,rightLabel)} {
            lappend buttons Right
            append text "\nRight: $::eskil($top,rightFile)"
        }
        lappend buttons Browse Cancel
        if {[llength $buttons] > 2} {
            set apa [tk_dialog .savemerge "Save merge file" \
                    $text \
                    questhead -1 {*}$buttons]
            if {$apa < 0} return
            set apa [lindex $buttons $apa]
            if {$apa eq "Left"} {
                set ::eskil($top,mergeFile) $::eskil($top,leftFile)
            } elseif {$apa eq "Right"} {
                set ::eskil($top,mergeFile) $::eskil($top,rightFile)
            } elseif {$apa eq "Cancel"} {
                return
            }
        }
        if {$::eskil($top,mergeFile) eq ""} {
            # Browse
            if {[info exists ::eskil($top,rightDir)]} {
                set initDir $::eskil($top,rightDir)
            } elseif {[info exists ::eskil($top,leftDir)]} {
                set initDir $::eskil($top,leftDir)
            } else {
                set initDir [pwd]
            }

            set apa [tk_getSaveFile -title "Save merge file" -initialdir $initDir \
                    -parent $top.merge]
            if {$apa eq ""} return
            set ::eskil($top,mergeFile) $apa
        }
    }

    set ch [open $::eskil($top,mergeFile) "w"]
    fconfigure $ch -translation $::eskil($top,mergetranslation)
    puts -nonewline $ch [$w get 1.0 end-1char]
    close $ch

    # Detect if this is a GIT merge, and possibly add it to the index
    # after save (i.e. git add file)
    if {[detectRevSystem $::eskil($top,mergeFile)] eq "GIT"} {
        set apa [tk_messageBox -parent $top.merge -icon info -type yesno \
                -title "Diff" \
                -message "Saved merge to file $::eskil($top,mergeFile).\nAdd\
                it to GIT index?"]
        if {$apa eq "yes"} {
            eskil::rev::GIT::add $::eskil($top,mergeFile)
        }
    } else {
        tk_messageBox -parent $top.merge -icon info -type ok -title "Diff" \
                -message "Saved merge to file $::eskil($top,mergeFile)."
    }
}

# Close merge window and clean up.
proc closeMerge {top} {
    global eskil

    destroy $top.merge
    set eskil($top,leftMergeData) {}
    set eskil($top,rightMergeData) {}
    array unset eskil $top,mergeSelection,*
}

# Create a window to display merge result.
proc makeMergeWin {top} {
    collectMergeData $top
    if {![info exists ::eskil($top,mergetranslation)]} {
        if {$::tcl_platform(platform) eq "windows"} {
            set ::eskil($top,mergetranslation) crlf
        } else {
            set ::eskil($top,mergetranslation) lf
        }
    }

    set w $top.merge
    if {![winfo exists $w]} {
        toplevel $w
    } else {
        destroy {*}[winfo children $w]
    }
    set anyC $::eskil($top,mergeSelection,AnyConflict)

    wm title $w "Merge result: [TitleTail $top]"

    menu $w.m
    $w configure -menu $w.m
    $w.m add cascade -label "File" -underline 0 -menu $w.m.mf
    menu $w.m.mf
    $w.m.mf add command -label "Save" -underline 0 -command "saveMerge $top"
    $w.m.mf add separator
    $w.m.mf add command -label "Close" -underline 0 -command "closeMerge $top"

    $w.m add cascade -label "Select" -underline 0 -menu $w.m.ms
    menu $w.m.ms
    $w.m.ms add radiobutton -label "Left+Right"         -value 12 \
            -variable ::eskil($top,curMergeSel) -command "selectMerge $top"
    $w.m.ms add radiobutton -label "Left" -underline 0  -value 1  \
            -variable ::eskil($top,curMergeSel) -command "selectMerge $top"
    $w.m.ms add radiobutton -label "Right" -underline 0 -value 2  \
            -variable ::eskil($top,curMergeSel) -command "selectMerge $top"
    $w.m.ms add radiobutton -label "Right+Left"         -value 21 \
            -variable ::eskil($top,curMergeSel) -command "selectMerge $top"
    $w.m.ms add separator
    $w.m.ms add command -label "All Left"  -command "selectMergeAll $top 1"
    $w.m.ms add command -label "All Right" -command "selectMergeAll $top 2"

    $w.m add cascade -label "Goto" -underline 0 -menu $w.m.mg
    menu $w.m.mg
    $w.m.mg add command -accelerator "Up" -label "Previous" -command "nextMerge $top -1"
    $w.m.mg add command -accelerator "Down" -label "Next" -command "nextMerge $top 1"
    if {$anyC} {
        $w.m.mg add command -accelerator "Shift-Up" -label "Previous Conflict" -command "nextMerge $top -1000"
        $w.m.mg add command -accelerator "Shift-Down" -label "Next Conflict" -command "nextMerge $top 1000"
    } else {
        $w.m.mg add command -accelerator "Shift-Up" -label "Previous 10" -command "nextMerge $top -10"
        $w.m.mg add command -accelerator "Shift-Down" -label "Next 10" -command "nextMerge $top 10"
    }
    

    $w.m add cascade -label "Config" -underline 0 -menu $w.m.mc
    menu $w.m.mc
    $w.m.mc add radiobutton -label "Line end LF"   -value lf   -variable ::eskil($top,mergetranslation)
    $w.m.mc add radiobutton -label "Line end CRLF" -value crlf -variable ::eskil($top,mergetranslation)
    if {$::eskil($top,mode) eq "conflict"} {
        $w.m.mc add separator
        $w.m.mc add checkbutton -label "Pure" -variable ::eskil($top,modetype) \
                -onvalue "Pure" -offvalue "" -command {doDiff}
    }

    ttk::frame $w.f

    ttk::radiobutton $w.f.rb1 -text "LR" -value 12 \
            -variable ::eskil($top,curMergeSel) \
            -command "selectMerge $top"
    ttk::radiobutton $w.f.rb2 -text "L"  -value 1 \
            -variable ::eskil($top,curMergeSel) \
            -command "selectMerge $top"
    ttk::radiobutton $w.f.rb3 -text "R"  -value 2 \
            -variable ::eskil($top,curMergeSel) \
            -command "selectMerge $top"
    ttk::radiobutton $w.f.rb4 -text "RL" -value 21 \
            -variable ::eskil($top,curMergeSel) \
            -command "selectMerge $top"
    bind $w <Key-Left>  "focus $w; set ::eskil($top,curMergeSel) 1; selectMerge $top"
    bind $w <Key-Right> "focus $w; set ::eskil($top,curMergeSel) 2; selectMerge $top"

    ttk::button $w.f.bl -text "Prev C" -command "nextMerge $top -1000"
    ttk::button $w.f.br -text "Next C" -command "nextMerge $top 1000"
    
    ttk::button $w.f.b1 -text "Prev" -command "nextMerge $top -1"
    ttk::button $w.f.b2 -text "Next" -command "nextMerge $top 1"
    bind $w <Key-Down> "focus $w ; nextMerge $top 1"
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    text $w.t -width 80 -height 20 -xscrollcommand "$w.sbx set" \
            -yscrollcommand "$w.sby set" -font myfont
    scrollbar $w.sbx -orient horizontal -command "$w.t xview"
    scrollbar $w.sby -orient vertical   -command "$w.t yview"

    bind $w.t <Key-Escape> [list focus $w]

    ttk::label $w.ls -textvariable ::diff($top,mergeStatus)

    # Prevent toplevel bindings on keys to fire while in the text widget.
    bindtags $w.t [list Text $w.t $w all]
    bind $w.t <Key-Left>  "break"
    bind $w.t <Key-Right> "break"
    bind $w.t <Key-Down>  "break"
    bind $w.t <Key-Up>    "break"








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    text $w.t -width 80 -height 20 -xscrollcommand "$w.sbx set" \
            -yscrollcommand "$w.sby set" -font myfont
    scrollbar $w.sbx -orient horizontal -command "$w.t xview"
    scrollbar $w.sby -orient vertical   -command "$w.t yview"

    bind $w.t <Key-Escape> [list focus $w]

    ttk::label $w.ls -textvariable ::eskil($top,mergeStatus)

    # Prevent toplevel bindings on keys to fire while in the text widget.
    bindtags $w.t [list Text $w.t $w all]
    bind $w.t <Key-Left>  "break"
    bind $w.t <Key-Right> "break"
    bind $w.t <Key-Down>  "break"
    bind $w.t <Key-Up>    "break"
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    grid rowconfigure $w 1 -weight 1

    fillMergeWindow $top
}

# Compare each file against an ancestor file for three-way merge
proc collectAncestorInfo {top dFile1 dFile2 opts} {
    if {![info exists ::diff($top,mergetranslation)]} {
        # Try to autodetect line endings in ancestor file
        set ch [open $::diff($top,ancestorFile) rb]
        set data [read $ch 10000]
        close $ch
        if {[string first \r\n $data] >= 0} {
            set ::diff($top,mergetranslation) crlf
        } else {
            set ::diff($top,mergetranslation) lf
        }
    }
    array unset ::diff $top,ancestorLeft,*
    array unset ::diff $top,ancestorRight,*
    set differrA1 [catch {DiffUtil::diffFiles {*}$opts \
            $::diff($top,ancestorFile) $dFile1} diffresA1]
    set differrA2 [catch {DiffUtil::diffFiles {*}$opts \
            $::diff($top,ancestorFile) $dFile2} diffresA2]
    if {$differrA1 != 0 || $differrA2 != 0} {
        puts $diffresA1
        puts $diffresA2
        return
    }
    foreach i $diffresA1 {
        lassign $i line1 n1 line2 n2
        if {$n1 == 0} {
            # Added lines
            for {set t $line2} {$t < $line2 + $n2} {incr t} {
                set ::diff($top,ancestorLeft,$t) a
            }
        } elseif {$n2 == 0} {
            # Deleted lines
            # Mark the following line
            set ::diff($top,ancestorLeft,d$line2) d
        } else {
            # Changed lines
            for {set t $line2} {$t < $line2 + $n2} {incr t} {
                set ::diff($top,ancestorLeft,$t) c
            }
        }
    }            
    foreach i $diffresA2 {
        lassign $i line1 n1 line2 n2
        if {$n1 == 0} {
            # Added lines
            for {set t $line2} {$t < $line2 + $n2} {incr t} {
                set ::diff($top,ancestorRight,$t) a
            }
        } elseif {$n2 == 0} {
            # Deleted lines
            # Mark the following line
            set ::diff($top,ancestorRight,d$line2) d
        } else {
            # Changed lines
            for {set t $line2} {$t < $line2 + $n2} {incr t} {
                set ::diff($top,ancestorRight,$t) c
            }
        }
    }
    #parray ::diff $top,ancestor*
}

# Use ancestor info to select which side to use in a merge chunk
##nagelfar syntax WhichSide x x x x x n n
proc WhichSide {top line1 n1 line2 n2 conflictName commentName} {
    upvar 1 $conflictName conflict $commentName comment
    set conflict 0
    set comment ""
    if {$::diff($top,ancestorFile) eq ""} {
        # No ancestor info, just select right side
        return 2
    }
    if {$n1 == 0} {
        # Only to the right
        set delLeft [info exists ::diff($top,ancestorLeft,d$line1)]
        # Inserted to right : Keep right side
        if {!$delLeft} {
            set comment "Right: Add"
            return 2
        }

        for {set t $line2} {$t < $line2 + $n2} {incr t} {
            if {[info exists ::diff($top,ancestorRight,$t)]} {
                set right($::diff($top,ancestorRight,$t)) 1
            }
        }
        # Deleted to left   : Keep left side
        if {[array size right] == 0} {
            set comment "Left: Delete"
            return 1
        }
        # Deleted to left and changed to the right : ?? (right for now)
        # FIXA
        set comment "*** Left: Delete, Right: Change"
        set conflict 1
        return 2
    } elseif {$n2 == 0} {
        # Only to the left, this can be:
        set delRight [info exists ::diff($top,ancestorRight,d$line2)]
        # Inserted to left : Keep left side
        if {!$delRight} {
            set comment "Left: Add"
            return 1
        }

        for {set t $line1} {$t < $line1 + $n1} {incr t} {
            if {[info exists ::diff($top,ancestorLeft,$t)]} {
                set left($::diff($top,ancestorLeft,$t)) 1
            }
        }
        # Deleted to right : Keep right side
        if {[array size left] == 0} {
            set comment "Right: Delete"
            return 2
        }
        # Deleted to right and changed to the left : ?? (right for now)
        # FIXA
        set comment "*** Left: Change, Right: Delete"
        set conflict 1
        return 2
    } else {
        # Changed on both sides

        # Collect left side info
        for {set t $line1} {$t < $line1 + $n1} {incr t} {
            if {[info exists ::diff($top,ancestorLeft,$t)]} {
                set left($::diff($top,ancestorLeft,$t)) 1
            }
        }

        # No changes against ancestor on left side means it is just
        # changed to the right : Keep right
        if {[array size left] == 0} {
            set comment "Right: Change"
            return 2
        }

        # Collect right side info
        for {set t $line2} {$t < $line2 + $n2} {incr t} {
            if {[info exists ::diff($top,ancestorRight,$t)]} {
                set right($::diff($top,ancestorRight,$t)) 1
            }
        }

        # No changes against ancestor on right side means it is just
        # changed to the left : Keep left
        if {[array size right] == 0} {
            set comment "Left: Change"








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    grid rowconfigure $w 1 -weight 1

    fillMergeWindow $top
}

# Compare each file against an ancestor file for three-way merge
proc collectAncestorInfo {top dFile1 dFile2 opts} {
    if {![info exists ::eskil($top,mergetranslation)]} {
        # Try to autodetect line endings in ancestor file
        set ch [open $::eskil($top,ancestorFile) rb]
        set data [read $ch 10000]
        close $ch
        if {[string first \r\n $data] >= 0} {
            set ::eskil($top,mergetranslation) crlf
        } else {
            set ::eskil($top,mergetranslation) lf
        }
    }
    array unset ::eskil $top,ancestorLeft,*
    array unset ::eskil $top,ancestorRight,*
    set differrA1 [catch {DiffUtil::diffFiles {*}$opts \
            $::eskil($top,ancestorFile) $dFile1} diffresA1]
    set differrA2 [catch {DiffUtil::diffFiles {*}$opts \
            $::eskil($top,ancestorFile) $dFile2} diffresA2]
    if {$differrA1 != 0 || $differrA2 != 0} {
        puts $diffresA1
        puts $diffresA2
        return
    }
    foreach i $diffresA1 {
        lassign $i line1 n1 line2 n2
        if {$n1 == 0} {
            # Added lines
            for {set t $line2} {$t < $line2 + $n2} {incr t} {
                set ::eskil($top,ancestorLeft,$t) a
            }
        } elseif {$n2 == 0} {
            # Deleted lines
            # Mark the following line
            set ::eskil($top,ancestorLeft,d$line2) d
        } else {
            # Changed lines
            for {set t $line2} {$t < $line2 + $n2} {incr t} {
                set ::eskil($top,ancestorLeft,$t) c
            }
        }
    }            
    foreach i $diffresA2 {
        lassign $i line1 n1 line2 n2
        if {$n1 == 0} {
            # Added lines
            for {set t $line2} {$t < $line2 + $n2} {incr t} {
                set ::eskil($top,ancestorRight,$t) a
            }
        } elseif {$n2 == 0} {
            # Deleted lines
            # Mark the following line
            set ::eskil($top,ancestorRight,d$line2) d
        } else {
            # Changed lines
            for {set t $line2} {$t < $line2 + $n2} {incr t} {
                set ::eskil($top,ancestorRight,$t) c
            }
        }
    }
    #parray ::diff $top,ancestor*
}

# Use ancestor info to select which side to use in a merge chunk
##nagelfar syntax WhichSide x x x x x n n
proc WhichSide {top line1 n1 line2 n2 conflictName commentName} {
    upvar 1 $conflictName conflict $commentName comment
    set conflict 0
    set comment ""
    if {$::eskil($top,ancestorFile) eq ""} {
        # No ancestor info, just select right side
        return 2
    }
    if {$n1 == 0} {
        # Only to the right
        set delLeft [info exists ::eskil($top,ancestorLeft,d$line1)]
        # Inserted to right : Keep right side
        if {!$delLeft} {
            set comment "Right: Add"
            return 2
        }

        for {set t $line2} {$t < $line2 + $n2} {incr t} {
            if {[info exists ::eskil($top,ancestorRight,$t)]} {
                set right($::eskil($top,ancestorRight,$t)) 1
            }
        }
        # Deleted to left   : Keep left side
        if {[array size right] == 0} {
            set comment "Left: Delete"
            return 1
        }
        # Deleted to left and changed to the right : ?? (right for now)
        # FIXA
        set comment "*** Left: Delete, Right: Change"
        set conflict 1
        return 2
    } elseif {$n2 == 0} {
        # Only to the left, this can be:
        set delRight [info exists ::eskil($top,ancestorRight,d$line2)]
        # Inserted to left : Keep left side
        if {!$delRight} {
            set comment "Left: Add"
            return 1
        }

        for {set t $line1} {$t < $line1 + $n1} {incr t} {
            if {[info exists ::eskil($top,ancestorLeft,$t)]} {
                set left($::eskil($top,ancestorLeft,$t)) 1
            }
        }
        # Deleted to right : Keep right side
        if {[array size left] == 0} {
            set comment "Right: Delete"
            return 2
        }
        # Deleted to right and changed to the left : ?? (right for now)
        # FIXA
        set comment "*** Left: Change, Right: Delete"
        set conflict 1
        return 2
    } else {
        # Changed on both sides

        # Collect left side info
        for {set t $line1} {$t < $line1 + $n1} {incr t} {
            if {[info exists ::eskil($top,ancestorLeft,$t)]} {
                set left($::eskil($top,ancestorLeft,$t)) 1
            }
        }

        # No changes against ancestor on left side means it is just
        # changed to the right : Keep right
        if {[array size left] == 0} {
            set comment "Right: Change"
            return 2
        }

        # Collect right side info
        for {set t $line2} {$t < $line2 + $n2} {incr t} {
            if {[info exists ::eskil($top,ancestorRight,$t)]} {
                set right($::eskil($top,ancestorRight,$t)) 1
            }
        }

        # No changes against ancestor on right side means it is just
        # changed to the left : Keep left
        if {[array size right] == 0} {
            set comment "Left: Change"
︙︙
Changes to src/plugin.tcl.
︙︙
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        puts "Plugin \"$plugin\" : $descr"
    }
}

proc preparePlugin {top} {
    #FIXA: plugin miffo
    disallowEdit $top
    $::diff($top,plugin) eval [list array set ::Pref [array get ::Pref]]
    set out1 [tmpFile]
    set out2 [tmpFile]

    set chi [open $::diff($top,leftFile) r]
    set cho [open $out1 w]
    interp share {} $chi $::diff($top,plugin)
    interp share {} $cho $::diff($top,plugin)
    set usenew1 [$::diff($top,plugin) eval [list PreProcess left $chi $cho]]
    $::diff($top,plugin) invokehidden close $chi
    $::diff($top,plugin) invokehidden close $cho
    close $chi
    close $cho

    set chi [open $::diff($top,rightFile) r]
    set cho [open $out2 w]
    interp share {} $chi $::diff($top,plugin)
    interp share {} $cho $::diff($top,plugin)
    set usenew2 [$::diff($top,plugin) eval [list PreProcess right $chi $cho]]
    $::diff($top,plugin) invokehidden close $chi
    $::diff($top,plugin) invokehidden close $cho
    close $chi
    close $cho

    if {$usenew1} {
        # The file after processing should be used both
        # for comparison and for displaying.
        set ::diff($top,leftFileBak) $::diff($top,leftFile)
        set ::diff($top,leftFile) $out1
    } else {
        set ::diff($top,leftFileDiff) $out1
        #set ::diff($top,leftLabel) "$::diff($top,RevFile) $tag"
    }
    if {$usenew2} {
        set ::diff($top,rightFileBak) $::diff($top,rightFile)
        set ::diff($top,rightFile) $out2
    } else {
        set ::diff($top,rightFileDiff) $out2
        #set ::diff($top,rightLabel) $::diff($top,RevFile)
    }
}

proc cleanupPlugin {top} {
    if {[info exists ::diff($top,leftFileBak)]} {
        set ::diff($top,leftFile) $::diff($top,leftFileBak)
    }
    if {[info exists ::diff($top,rightFileBak)]} {
        set ::diff($top,rightFile) $::diff($top,rightFileBak)
    }
    unset -nocomplain \
            ::diff($top,leftFileBak) ::diff($top,rightFileBak) \
            ::diff($top,leftFileDiff) ::diff($top,rightFileDiff)
}

# GUI for plugin selection
proc EditPrefPlugins {top} {
    set w $top.prefplugin

    # Create window
    destroy $w
    toplevel $w -padx 3 -pady 3
    ttk::frame $w._bg
    place $w._bg -x 0 -y 0 -relwidth 1.0 -relheight 1.0 -border outside
    wm title $w "Preferences: Plugins"

    set plugins [listPlugins]
    if {[llength $plugins] == 0} {
        grid [ttk::label $w.l -text "No plugins found."] - -padx 3 -pady 3
    }
    if {![info exists ::diff($top,pluginname)]} {
        set ::diff($top,pluginname) ""
    }
    if {![info exists ::diff($top,plugininfo)]} {
        set ::diff($top,plugininfo) ""
    }
    set ::diff($top,edit,pluginname) $::diff($top,pluginname) 
    set ::diff($top,edit,plugininfo) $::diff($top,plugininfo)
    set t 0
    foreach {plugin descr} $plugins {
        ttk::radiobutton $w.rb$t -variable ::diff($top,edit,pluginname) -value $plugin -text $plugin
        ttk::label $w.l$t -text $descr -anchor "w"
        grid $w.rb$t $w.l$t -sticky we -padx 3 -pady 3
        incr t
    }
    ttk::radiobutton $w.rb$t -variable ::diff($top,edit,pluginname) -value "" -text "No Plugin"
    grid $w.rb$t -sticky we -padx 3 -pady 3

    ttk::label $w.li -text "Info" -anchor "w"
    ttk::entry $w.ei -textvariable ::diff($top,edit,plugininfo)
    grid $w.li $w.ei -sticky we -padx 3 -pady 3

    ttk::frame $w.fb -padding 3
    ttk::button $w.fb.b1 -text "Ok"     -command [list EditPrefPluginsOk $top $w]
    ttk::button $w.fb.b2 -text "Cancel" -command [list destroy $w]
    set ::widgets($top,prefPluginsOk) $w.fb.b1

    grid $w.fb.b1 x $w.fb.b2 -sticky we
    grid columnconfigure $w.fb {0 2} -uniform a
    grid columnconfigure $w.fb 1 -weight 1

    grid $w.fb - -sticky we
    grid columnconfigure $w 1 -weight 1
}

proc EditPrefPluginsOk {top w} {
    destroy $w
    set ::diff($top,pluginname) $::diff($top,edit,pluginname) 
    set ::diff($top,plugininfo) $::diff($top,edit,plugininfo)
    if {$::diff($top,pluginname) ne ""} {
        set pinterp [createPluginInterp $::diff($top,pluginname) $::diff($top,plugininfo)]
    } else {
        set pinterp ""
    }
    set ::diff($top,plugin) $pinterp
}








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        puts "Plugin \"$plugin\" : $descr"
    }
}

proc preparePlugin {top} {
    #FIXA: plugin miffo
    disallowEdit $top
    $::eskil($top,plugin) eval [list array set ::Pref [array get ::Pref]]
    set out1 [tmpFile]
    set out2 [tmpFile]

    set chi [open $::eskil($top,leftFile) r]
    set cho [open $out1 w]
    interp share {} $chi $::eskil($top,plugin)
    interp share {} $cho $::eskil($top,plugin)
    set usenew1 [$::eskil($top,plugin) eval [list PreProcess left $chi $cho]]
    $::eskil($top,plugin) invokehidden close $chi
    $::eskil($top,plugin) invokehidden close $cho
    close $chi
    close $cho

    set chi [open $::eskil($top,rightFile) r]
    set cho [open $out2 w]
    interp share {} $chi $::eskil($top,plugin)
    interp share {} $cho $::eskil($top,plugin)
    set usenew2 [$::eskil($top,plugin) eval [list PreProcess right $chi $cho]]
    $::eskil($top,plugin) invokehidden close $chi
    $::eskil($top,plugin) invokehidden close $cho
    close $chi
    close $cho

    if {$usenew1} {
        # The file after processing should be used both
        # for comparison and for displaying.
        set ::eskil($top,leftFileBak) $::eskil($top,leftFile)
        set ::eskil($top,leftFile) $out1
    } else {
        set ::eskil($top,leftFileDiff) $out1
        #set ::eskil($top,leftLabel) "$::eskil($top,RevFile) $tag"
    }
    if {$usenew2} {
        set ::eskil($top,rightFileBak) $::eskil($top,rightFile)
        set ::eskil($top,rightFile) $out2
    } else {
        set ::eskil($top,rightFileDiff) $out2
        #set ::eskil($top,rightLabel) $::eskil($top,RevFile)
    }
}

proc cleanupPlugin {top} {
    if {[info exists ::eskil($top,leftFileBak)]} {
        set ::eskil($top,leftFile) $::eskil($top,leftFileBak)
    }
    if {[info exists ::eskil($top,rightFileBak)]} {
        set ::eskil($top,rightFile) $::eskil($top,rightFileBak)
    }
    unset -nocomplain \
            ::eskil($top,leftFileBak) ::eskil($top,rightFileBak) \
            ::eskil($top,leftFileDiff) ::eskil($top,rightFileDiff)
}

# GUI for plugin selection
proc EditPrefPlugins {top} {
    set w $top.prefplugin

    # Create window
    destroy $w
    toplevel $w -padx 3 -pady 3
    ttk::frame $w._bg
    place $w._bg -x 0 -y 0 -relwidth 1.0 -relheight 1.0 -border outside
    wm title $w "Preferences: Plugins"

    set plugins [listPlugins]
    if {[llength $plugins] == 0} {
        grid [ttk::label $w.l -text "No plugins found."] - -padx 3 -pady 3
    }
    if {![info exists ::eskil($top,pluginname)]} {
        set ::eskil($top,pluginname) ""
    }
    if {![info exists ::eskil($top,plugininfo)]} {
        set ::eskil($top,plugininfo) ""
    }
    set ::eskil($top,edit,pluginname) $::eskil($top,pluginname) 
    set ::eskil($top,edit,plugininfo) $::eskil($top,plugininfo)
    set t 0
    foreach {plugin descr} $plugins {
        ttk::radiobutton $w.rb$t -variable ::eskil($top,edit,pluginname) -value $plugin -text $plugin
        ttk::label $w.l$t -text $descr -anchor "w"
        grid $w.rb$t $w.l$t -sticky we -padx 3 -pady 3
        incr t
    }
    ttk::radiobutton $w.rb$t -variable ::eskil($top,edit,pluginname) -value "" -text "No Plugin"
    grid $w.rb$t -sticky we -padx 3 -pady 3

    ttk::label $w.li -text "Info" -anchor "w"
    ttk::entry $w.ei -textvariable ::eskil($top,edit,plugininfo)
    grid $w.li $w.ei -sticky we -padx 3 -pady 3

    ttk::frame $w.fb -padding 3
    ttk::button $w.fb.b1 -text "Ok"     -command [list EditPrefPluginsOk $top $w]
    ttk::button $w.fb.b2 -text "Cancel" -command [list destroy $w]
    set ::widgets($top,prefPluginsOk) $w.fb.b1

    grid $w.fb.b1 x $w.fb.b2 -sticky we
    grid columnconfigure $w.fb {0 2} -uniform a
    grid columnconfigure $w.fb 1 -weight 1

    grid $w.fb - -sticky we
    grid columnconfigure $w 1 -weight 1
}

proc EditPrefPluginsOk {top w} {
    destroy $w
    set ::eskil($top,pluginname) $::eskil($top,edit,pluginname) 
    set ::eskil($top,plugininfo) $::eskil($top,edit,plugininfo)
    if {$::eskil($top,pluginname) ne ""} {
        set pinterp [createPluginInterp $::eskil($top,pluginname) $::eskil($top,plugininfo)]
    } else {
        set pinterp ""
    }
    set ::eskil($top,plugin) $pinterp
}
Changes to src/print.tcl.
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    # Finished

    normalCursor $top
}

proc PdfPrint {top cpl cpln wraplines1 wraplines2} {

    if {$::diff($top,printFile) != ""} {
        set pdfFile $::diff($top,printFile)
    } else {
        set pdfFile ~/eskil.pdf
    }

    if {![regexp {^(.*)( \(.*?\))$} $::diff($top,leftLabel) -> lfile lrest]} {
        set lfile $::diff($top,leftLabel)
        set lrest ""
    }
    set lfile [file tail $lfile]$lrest
    if {![regexp {^(.*)( \(.*?\))$} $::diff($top,rightLabel) -> rfile rrest]} {
        set rfile $::diff($top,rightLabel)
        set rrest ""
    }
    set rfile [file tail $rfile]$rrest

    set pdf [eskilprint %AUTO% -file $pdfFile -cpl $cpl -cpln $cpln \
                     -headleft $lfile -headright $rfile -headsize 10]
    set linesPerPage [$pdf getNLines]








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    # Finished

    normalCursor $top
}

proc PdfPrint {top cpl cpln wraplines1 wraplines2} {

    if {$::eskil($top,printFile) != ""} {
        set pdfFile $::eskil($top,printFile)
    } else {
        set pdfFile ~/eskil.pdf
    }

    if {![regexp {^(.*)( \(.*?\))$} $::eskil($top,leftLabel) -> lfile lrest]} {
        set lfile $::eskil($top,leftLabel)
        set lrest ""
    }
    set lfile [file tail $lfile]$lrest
    if {![regexp {^(.*)( \(.*?\))$} $::eskil($top,rightLabel) -> rfile rrest]} {
        set rfile $::eskil($top,rightLabel)
        set rrest ""
    }
    set rfile [file tail $rfile]$rrest

    set pdf [eskilprint %AUTO% -file $pdfFile -cpl $cpl -cpln $cpln \
                     -headleft $lfile -headright $rfile -headsize 10]
    set linesPerPage [$pdf getNLines]
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    $pdf endPrint
}

# Count the length of a line during a text dump
proc AccumulateMax {key value index} {
    set index [lindex [split $index "."] 1]
    set len [expr {[string length $value] + $index - 1}]
    if {$len > $::diff(currentCharsPerLine)} {
        set ::diff(currentCharsPerLine) $len
    }
}

# Count the longest line length in the current display
proc CountCharsPerLine {top} {
    set ::diff(currentCharsPerLine) 0
    $::widgets($top,wDiff1) dump -text -command AccumulateMax 1.0 end
    $::widgets($top,wDiff2) dump -text -command AccumulateMax 1.0 end
    return $::diff(currentCharsPerLine)
}

proc BrowsePrintFileName {top entry} {
    set prev $::diff($top,printFile)
    set dir [file dirname $prev]

    set apa [tk_getSaveFile -initialdir $dir -initialfile [file tail $prev] \
                     -parent [winfo toplevel $entry] -title "PDF file"]
    if {$apa ne ""} {
        set ::diff($top,printFile) $apa
        $entry xview end
    }
}

# Create a print dialog for PDF.
proc doPrint {top {quiet 0}} {
    if {$quiet} {








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    $pdf endPrint
}

# Count the length of a line during a text dump
proc AccumulateMax {key value index} {
    set index [lindex [split $index "."] 1]
    set len [expr {[string length $value] + $index - 1}]
    if {$len > $::eskil(currentCharsPerLine)} {
        set ::eskil(currentCharsPerLine) $len
    }
}

# Count the longest line length in the current display
proc CountCharsPerLine {top} {
    set ::eskil(currentCharsPerLine) 0
    $::widgets($top,wDiff1) dump -text -command AccumulateMax 1.0 end
    $::widgets($top,wDiff2) dump -text -command AccumulateMax 1.0 end
    return $::eskil(currentCharsPerLine)
}

proc BrowsePrintFileName {top entry} {
    set prev $::eskil($top,printFile)
    set dir [file dirname $prev]

    set apa [tk_getSaveFile -initialdir $dir -initialfile [file tail $prev] \
                     -parent [winfo toplevel $entry] -title "PDF file"]
    if {$apa ne ""} {
        set ::eskil($top,printFile) $apa
        $entry xview end
    }
}

# Create a print dialog for PDF.
proc doPrint {top {quiet 0}} {
    if {$quiet} {
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    grid .pr.cf.l1 .pr.cf.s1r .pr.cf.s1g .pr.cf.s1b -sticky w -padx 3 -pady 3
    grid .pr.cf.l2 .pr.cf.s2r .pr.cf.s2g .pr.cf.s2b -sticky w -padx 3 -pady 3
    grid .pr.cf.l3 .pr.cf.s3r .pr.cf.s3g .pr.cf.s3b -sticky w -padx 3 -pady 3

    # File

    ttk::label .pr.fnl -anchor w -text "File name"
    ttk::entryX .pr.fne -textvariable ::diff($top,printFile) -width 30
    ttk::button .pr.fnb -text Browse \
            -command [list BrowsePrintFileName $top .pr.fne]

    if {$::diff($top,printFile) eq ""} {
        set ::diff($top,printFile) "~/eskil.pdf"
    }

    ttk::frame .pr.fb
    ttk::button .pr.b1 -text "Print to File" \
            -command "destroy .pr; update; PrintDiffs $top"
    ttk::button .pr.b2 -text "Cancel" -command {destroy .pr}
    pack .pr.b1 -in .pr.fb -side left  -padx 3 -pady 3 -ipadx 5








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    grid .pr.cf.l1 .pr.cf.s1r .pr.cf.s1g .pr.cf.s1b -sticky w -padx 3 -pady 3
    grid .pr.cf.l2 .pr.cf.s2r .pr.cf.s2g .pr.cf.s2b -sticky w -padx 3 -pady 3
    grid .pr.cf.l3 .pr.cf.s3r .pr.cf.s3g .pr.cf.s3b -sticky w -padx 3 -pady 3

    # File

    ttk::label .pr.fnl -anchor w -text "File name"
    ttk::entryX .pr.fne -textvariable ::eskil($top,printFile) -width 30
    ttk::button .pr.fnb -text Browse \
            -command [list BrowsePrintFileName $top .pr.fne]

    if {$::eskil($top,printFile) eq ""} {
        set ::eskil($top,printFile) "~/eskil.pdf"
    }

    ttk::frame .pr.fb
    ttk::button .pr.b1 -text "Print to File" \
            -command "destroy .pr; update; PrintDiffs $top"
    ttk::button .pr.b2 -text "Cancel" -command {destroy .pr}
    pack .pr.b1 -in .pr.fb -side left  -padx 3 -pady 3 -ipadx 5
︙︙
Changes to src/rev.tcl.
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    }
    return
}

# Initialise revision control mode
# The file name should be an absolute normalized path.
proc startRevMode {top rev file} {
    set ::diff($top,mode) "rev"
    set ::diff($top,modetype) $rev
    set ::diff($top,rightDir) [file dirname $file]
    set ::diff($top,RevFile) $file
    set ::diff($top,rightLabel) $file
    set ::diff($top,rightFile) $file
    set ::diff($top,rightOK) 1
    set ::diff($top,leftLabel) $rev
    set ::diff($top,leftOK) 0
    set ::Pref(toolbar) 1
}

# Prepare for revision diff. Checkout copies of the versions needed.
proc prepareRev {top} {
    global Pref

    $::widgets($top,commit) configure -state disabled
    $::widgets($top,log)    configure -state disabled

    set type $::diff($top,modetype)

    set revs {}

    # Search for revision options
    if {$::diff($top,doptrev1) != ""} {
        lappend revs $::diff($top,doptrev1)
    }
    if {$::diff($top,doptrev2) != ""} {
        lappend revs $::diff($top,doptrev2)
    }

    set revs [eskil::rev::${type}::ParseRevs $::diff($top,RevFile) $revs]
    set revlabels {}
    foreach rev $revs {
        lappend revlabels [GetLastTwoPath $rev]
    }
    set ::diff($top,RevRevs) $revs

    if {[llength $revs] < 2} {
        # Compare local file with specified version.
        disallowEdit $top 1
        if {[llength $revs] == 0} {
            set r ""
            set tag "($type)"
        } else {
            set r [lindex $revs 0]
            set tag "($type [lindex $revlabels 0])"
        }
        set ::diff($top,leftFile) [tmpFile]
        set ::diff($top,leftLabel) "$::diff($top,RevFile) $tag"
        set ::diff($top,rightLabel) $::diff($top,RevFile)
        set ::diff($top,rightFile) $::diff($top,RevFile)

        eskil::rev::${type}::get $::diff($top,RevFile) $::diff($top,leftFile) $r
        if {[llength $revs] == 0} {
            if {[info commands eskil::rev::${type}::commitFile] ne ""} {
                $::widgets($top,commit) configure -state normal
            }
        }
    } else {
        # Compare the two specified versions.
        disallowEdit $top
        set r1 [lindex $revs 0]
        set r2 [lindex $revs 1]
        set ::diff($top,leftFile)  [tmpFile]
        set ::diff($top,rightFile) [tmpFile]

        set ::diff($top,leftLabel) \
                "$::diff($top,RevFile) ($type [lindex $revlabels 0])"
        set ::diff($top,rightLabel) \
                "$::diff($top,RevFile) ($type [lindex $revlabels 1])"
        eskil::rev::${type}::get $::diff($top,RevFile) $::diff($top,leftFile) $r1
        eskil::rev::${type}::get $::diff($top,RevFile) $::diff($top,rightFile) $r2
    }
    if {[llength $revs] > 0} {
        if {[info commands eskil::rev::${type}::viewLog] ne ""} {
            $::widgets($top,log) configure -state normal
        }
    }
    # Make sure labels are updated before processing starts
    update idletasks
}

# Clean up after a revision diff.
proc cleanupRev {top} {
    global Pref

    clearTmp $::diff($top,rightFile) $::diff($top,leftFile)
    set ::diff($top,rightFile) $::diff($top,RevFile)
    set ::diff($top,leftFile) $::diff($top,RevFile)
}

proc revCommit {top} {
    if {[$::widgets($top,commit) cget -state] eq "disabled"} return
    set type $::diff($top,modetype)
    if {$::diff($top,mode) eq "patch"} {
        set files $::diff($top,reviewFiles)
    } else {
        set files [list $::diff($top,RevFile)]
    }
    eskil::rev::${type}::commitFile $top {*}$files
}

proc revLog {top} {
    if {[$::widgets($top,log) cget -state] eq "disabled"} return
    set type $::diff($top,modetype)
    eskil::rev::${type}::viewLog $top $::diff($top,RevFile) \
            $::diff($top,RevRevs)
}

# Get a complete tree patch from this system.
proc getFullPatch {top} {
    global Pref

    $::widgets($top,commit) configure -state disabled
    $::widgets($top,log)    configure -state disabled

    set type $::diff($top,modetype)
    set files $::diff($top,reviewFiles)

    set revs {}

    # Search for revision options
    if {$::diff($top,doptrev1) != ""} {
        lappend revs $::diff($top,doptrev1)
    }
    if {$::diff($top,doptrev2) != ""} {
        lappend revs $::diff($top,doptrev2)
    }

    set revs [eskil::rev::${type}::ParseRevs "" $revs]
    set revlabels {}
    foreach rev $revs {
        lappend revlabels [GetLastTwoPath $rev]
    }








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    }
    return
}

# Initialise revision control mode
# The file name should be an absolute normalized path.
proc startRevMode {top rev file} {
    set ::eskil($top,mode) "rev"
    set ::eskil($top,modetype) $rev
    set ::eskil($top,rightDir) [file dirname $file]
    set ::eskil($top,RevFile) $file
    set ::eskil($top,rightLabel) $file
    set ::eskil($top,rightFile) $file
    set ::eskil($top,rightOK) 1
    set ::eskil($top,leftLabel) $rev
    set ::eskil($top,leftOK) 0
    set ::Pref(toolbar) 1
}

# Prepare for revision diff. Checkout copies of the versions needed.
proc prepareRev {top} {
    global Pref

    $::widgets($top,commit) configure -state disabled
    $::widgets($top,log)    configure -state disabled

    set type $::eskil($top,modetype)

    set revs {}

    # Search for revision options
    if {$::eskil($top,doptrev1) != ""} {
        lappend revs $::eskil($top,doptrev1)
    }
    if {$::eskil($top,doptrev2) != ""} {
        lappend revs $::eskil($top,doptrev2)
    }

    set revs [eskil::rev::${type}::ParseRevs $::eskil($top,RevFile) $revs]
    set revlabels {}
    foreach rev $revs {
        lappend revlabels [GetLastTwoPath $rev]
    }
    set ::eskil($top,RevRevs) $revs

    if {[llength $revs] < 2} {
        # Compare local file with specified version.
        disallowEdit $top 1
        if {[llength $revs] == 0} {
            set r ""
            set tag "($type)"
        } else {
            set r [lindex $revs 0]
            set tag "($type [lindex $revlabels 0])"
        }
        set ::eskil($top,leftFile) [tmpFile]
        set ::eskil($top,leftLabel) "$::eskil($top,RevFile) $tag"
        set ::eskil($top,rightLabel) $::eskil($top,RevFile)
        set ::eskil($top,rightFile) $::eskil($top,RevFile)

        eskil::rev::${type}::get $::eskil($top,RevFile) $::eskil($top,leftFile) $r
        if {[llength $revs] == 0} {
            if {[info commands eskil::rev::${type}::commitFile] ne ""} {
                $::widgets($top,commit) configure -state normal
            }
        }
    } else {
        # Compare the two specified versions.
        disallowEdit $top
        set r1 [lindex $revs 0]
        set r2 [lindex $revs 1]
        set ::eskil($top,leftFile)  [tmpFile]
        set ::eskil($top,rightFile) [tmpFile]

        set ::eskil($top,leftLabel) \
                "$::eskil($top,RevFile) ($type [lindex $revlabels 0])"
        set ::eskil($top,rightLabel) \
                "$::eskil($top,RevFile) ($type [lindex $revlabels 1])"
        eskil::rev::${type}::get $::eskil($top,RevFile) $::eskil($top,leftFile) $r1
        eskil::rev::${type}::get $::eskil($top,RevFile) $::eskil($top,rightFile) $r2
    }
    if {[llength $revs] > 0} {
        if {[info commands eskil::rev::${type}::viewLog] ne ""} {
            $::widgets($top,log) configure -state normal
        }
    }
    # Make sure labels are updated before processing starts
    update idletasks
}

# Clean up after a revision diff.
proc cleanupRev {top} {
    global Pref

    clearTmp $::eskil($top,rightFile) $::eskil($top,leftFile)
    set ::eskil($top,rightFile) $::eskil($top,RevFile)
    set ::eskil($top,leftFile) $::eskil($top,RevFile)
}

proc revCommit {top} {
    if {[$::widgets($top,commit) cget -state] eq "disabled"} return
    set type $::eskil($top,modetype)
    if {$::eskil($top,mode) eq "patch"} {
        set files $::eskil($top,reviewFiles)
    } else {
        set files [list $::eskil($top,RevFile)]
    }
    eskil::rev::${type}::commitFile $top {*}$files
}

proc revLog {top} {
    if {[$::widgets($top,log) cget -state] eq "disabled"} return
    set type $::eskil($top,modetype)
    eskil::rev::${type}::viewLog $top $::eskil($top,RevFile) \
            $::eskil($top,RevRevs)
}

# Get a complete tree patch from this system.
proc getFullPatch {top} {
    global Pref

    $::widgets($top,commit) configure -state disabled
    $::widgets($top,log)    configure -state disabled

    set type $::eskil($top,modetype)
    set files $::eskil($top,reviewFiles)

    set revs {}

    # Search for revision options
    if {$::eskil($top,doptrev1) != ""} {
        lappend revs $::eskil($top,doptrev1)
    }
    if {$::eskil($top,doptrev2) != ""} {
        lappend revs $::eskil($top,doptrev2)
    }

    set revs [eskil::rev::${type}::ParseRevs "" $revs]
    set revlabels {}
    foreach rev $revs {
        lappend revlabels [GetLastTwoPath $rev]
    }
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# Dialog for log message
proc LogDialog {top target {clean 0}} {
    set w $top.logmsg
    destroy  $w
    toplevel $w -padx 3 -pady 3
    wm title $w "Commit log message for $target"

    set ::diff($top,logdialogok) 0

    text $w.t -width 70 -height 10
    if {!$clean && [info exists ::diff(logdialog)]} {
        $w.t insert end $::diff(logdialog)
        $w.t tag add sel 1.0 end-1c
        $w.t mark set insert 1.0
    }

    ttk::button $w.ok -width 10 -text "Commit" -underline 1 \
            -command "set ::diff($top,logdialogok) 1 ; \
                      set ::diff(logdialog) \[$w.t get 1.0 end\] ; \
                      destroy $w"
    ttk::button $w.ca -width 10 -text "Cancel" -command "destroy $w" \
            -underline 0
    bind $w <Alt-o> [list $w.ok invoke]\;break
    bind $w <Alt-c> [list destroy $w]\;break
    bind $w <Key-Escape> [list destroy $w]\;break

    grid $w.t  - -sticky news -padx 3 -pady 3
    grid $w.ok $w.ca -padx 3 -pady 3
    tkwait visibility $w
    focus -force $w.t
    tkwait window $w

    if {$::diff($top,logdialogok)} {
        set res [string trim $::diff(logdialog)]
        set ::diff(logdialog) $res
        if {$res eq ""} {
            set res "No Log"
        }
    } else {
        set res ""
    }
    return $res








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1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
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1117
1118
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1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147

# Dialog for log message
proc LogDialog {top target {clean 0}} {
    set w $top.logmsg
    destroy  $w
    toplevel $w -padx 3 -pady 3
    wm title $w "Commit log message for $target"

    set ::eskil($top,logdialogok) 0

    text $w.t -width 70 -height 10
    if {!$clean && [info exists ::eskil(logdialog)]} {
        $w.t insert end $::eskil(logdialog)
        $w.t tag add sel 1.0 end-1c
        $w.t mark set insert 1.0
    }

    ttk::button $w.ok -width 10 -text "Commit" -underline 1 \
            -command "set ::eskil($top,logdialogok) 1 ; \
                      set ::eskil(logdialog) \[$w.t get 1.0 end\] ; \
                      destroy $w"
    ttk::button $w.ca -width 10 -text "Cancel" -command "destroy $w" \
            -underline 0
    bind $w <Alt-o> [list $w.ok invoke]\;break
    bind $w <Alt-c> [list destroy $w]\;break
    bind $w <Key-Escape> [list destroy $w]\;break

    grid $w.t  - -sticky news -padx 3 -pady 3
    grid $w.ok $w.ca -padx 3 -pady 3
    tkwait visibility $w
    focus -force $w.t
    tkwait window $w

    if {$::eskil($top,logdialogok)} {
        set res [string trim $::eskil(logdialog)]
        set ::eskil(logdialog) $res
        if {$res eq ""} {
            set res "No Log"
        }
    } else {
        set res ""
    }
    return $res
︙︙
Changes to tests/patch.test. 
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# Tests for patch file parsingunctions                      -*- tcl -*-
#----------------------------------------------------------------------
# $Revision$
#----------------------------------------------------------------------

# Overload exec during these tests
set ::diff(gurka,patchFile) ""
set ::diff(gurka,patchData) ""
stub update args {}
stub getFullPatch {top} {
    return $::testpatch
}
stub displayOnePatch {top leftLines rightLines leftLine rightLine} {
}
stub emptyLine {top n {highlight 1}} {







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# Tests for patch file parsingunctions                      -*- tcl -*-
#----------------------------------------------------------------------
# $Revision$
#----------------------------------------------------------------------

# Overload exec during these tests
set ::eskil(gurka,patchFile) ""
set ::eskil(gurka,patchData) ""
stub update args {}
stub getFullPatch {top} {
    return $::testpatch
}
stub displayOnePatch {top leftLines rightLines leftLine rightLine} {
}
stub emptyLine {top n {highlight 1}} {
︙︙
Changes to tests/rev.test. 
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# Tests for revision control functions                      -*- tcl -*-
#----------------------------------------------------------------------
# $Revision$
#----------------------------------------------------------------------

# Overload exec during these tests
stub exec {args} {
    set cmd [lindex $args 0]
    switch -- $cmd {
        cleartool {
            # cleartool lshistory -short $filename
            # cleartool pwv -s
            # cleartool get -to $outfile $filerev
            # cleartool ls $::diff($top,RevFile)
            if {[lindex $args 1] eq "lshistory"} {
                return [join [list x@/Apa/Bepa/12 x@/Apa/Cepa/2 x@/Apa/22 x@/Apa] \n]
            }
            if {[lindex $args 1] eq "pwv"} {
                return $::ct_pwv
            }
            if {[lindex $args 1] eq "ls"} {














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# Tests for revision control functions                      -*- tcl -*-
#----------------------------------------------------------------------
# $Revision$
#----------------------------------------------------------------------

# Overload exec during these tests
stub exec {args} {
    set cmd [lindex $args 0]
    switch -- $cmd {
        cleartool {
            # cleartool lshistory -short $filename
            # cleartool pwv -s
            # cleartool get -to $outfile $filerev
            # cleartool ls $::eskil($top,RevFile)
            if {[lindex $args 1] eq "lshistory"} {
                return [join [list x@/Apa/Bepa/12 x@/Apa/Cepa/2 x@/Apa/22 x@/Apa] \n]
            }
            if {[lindex $args 1] eq "pwv"} {
                return $::ct_pwv
            }
            if {[lindex $args 1] eq "ls"} {
︙︙