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# Tix Demostration Program

#

# This sample program is structured in such a way so that it can be

# executed from the Tix demo program "widget": it must have a

# procedure called "RunSample". It should also have the "if" statment

# at the end of this file so that it can be run as a standalone

# program using tixwish.

# This file demonstrates the use of the tixDirSelectDialog widget:

# it allows the user to select a directory.

#

proc RunSample {w} {

    # Create an entry for the user to input a directory. If he can't

    # bother to type in the name, he can press the "Browse ..." button

    # and call up the diretcory dialog

    #

    frame $w.top -border 1 -relief raised

    tixLabelEntry $w.top.ent -label "Select A Directory:" -labelside top \

        -options {

            entry.width 25

            entry.textVariable demo_ddlg_dirname

            label.anchor w

        }

    bind [$w.top.ent subwidget entry] <Return> "ddlg:okcmd $w"

    uplevel #0 set demo_ddlg_dirname {}

    button $w.top.btn -text "Browse ..." -command "ddlg:browse"

    pack $w.top.ent -side left -expand yes -fill x -anchor s -padx 4 -pady 4

    pack $w.top.btn -side left -anchor s -padx 4 -pady 4

    # Use a ButtonBox to hold the buttons.

    #

    tixButtonBox $w.box -orientation horizontal

    $w.box add ok     -text Ok     -underline 0 -command "ddlg:okcmd $w" \

        -width 6

    $w.box add cancel -text Cancel -underline 0 -command "destroy $w" \

        -width 6

    pack $w.box -side bottom -fill x

    pack $w.top -side top -fill both -expand yes

}

# Pop up a directory selection dialog

#

proc ddlg:browse {} {

    set dialog .dirdlg_popup

    if ![winfo exists $dialog] {

        tixDirSelectDialog $dialog

    }

    $dialog config -command ddlg:select_dir

    $dialog popup

}

proc ddlg:select_dir {dir} {

    global demo_ddlg_dirname

    set demo_ddlg_dirname $dir

}

proc ddlg:okcmd {w} {

    global demo_ddlg_dirname

    if {$demo_ddlg_dirname != {}} {

        puts "You have selected the directory $demo_ddlg_dirname"

    } else {

        puts "You haven't selected any directory"

    }

    destroy $w

}

# This "if" statement makes it possible to run this script file inside or

# outside of the main demo program "widget".

#

if {![info exists tix_demo_running]} {

    wm withdraw .

    set w .demo

    toplevel $w

    RunSample $w

    bind .demo <Destroy> exit

}