Eskil

snit::widget DirDiff {
    hulltype toplevel
    widgetclass Toplevel
    component tree
    variable statusVar

    constructor {args} {
        eskilRegisterToplevel $win
        wm title $win "Eskil Dir"
        wm protocol $win WM_DELETE_WINDOW [list cleanupAndExit $win]

        install tree using DirCompareTree $win.dc \
                -leftdirvariable ::dirdiff(leftDir) \
                -rightdirvariable ::dirdiff(rightDir) \
                -statusvar [myvar statusVar]

        set ::dirdiff(leftDir) ""
    }
    if {![info exists ::dirdiff(rightDir)]} {
        set ::dirdiff(rightDir) ""
    }
    destroy .dirdiff
    DirDiff .dirdiff
    return .dirdiff
}