# labelframe.tcl --

#

# This demonstration script creates a toplevel window containing

# several labelframe widgets.

#

# RCS: @(#) $Id: labelframe.tcl,v 1.2 2001/10/30 11:21:50 dkf Exp $

if {![info exists widgetDemo]} {

    error "This script should be run from the \"widget\" demo."

}

set w .labelframe

catch {destroy $w}

toplevel $w

wm title $w "Labelframe Demonstration"

wm iconname $w "labelframe"

positionWindow $w

# Some information

label $w.msg -font $font -wraplength 4i -justify left -text "Labelframes are\

	used to group related widgets together.  The label may be either \

	plain text or another widget."

pack $w.msg -side top

# The bottom buttons

frame $w.buttons

pack $w.buttons -side bottom -fill x -pady 2m

button $w.buttons.dismiss -text Dismiss -command "destroy $w" -width 15

button $w.buttons.code -text "See Code" -command "showCode $w" -width 15

pack $w.buttons.dismiss $w.buttons.code -side left -expand 1

# Demo area

frame $w.f

pack $w.f -side bottom -fill both -expand 1

set w $w.f

# A group of radiobuttons in a labelframe

labelframe $w.f -text "Value" -padx 2 -pady 2

grid $w.f -row 0 -column 0 -pady 2m -padx 2m

foreach value {1 2 3 4} {

    radiobutton $w.f.b$value -text "This is value $value" \

            -variable lfdummy -value $value

    pack $w.f.b$value -side top -fill x -pady 2

}

# Using a label window to control a group of options.

proc lfEnableButtons {w} {

    foreach child [winfo children $w] {

        if {$child == "$w.cb"} continue

        if {$::lfdummy2} {

            $child configure -state normal

        } else {

            $child configure -state disabled

        }

    }

}

labelframe $w.f2 -pady 2 -padx 2

checkbutton $w.f2.cb -text "Use this option." -variable lfdummy2 \

        -command "lfEnableButtons $w.f2" -padx 0

$w.f2 configure -labelwidget $w.f2.cb

grid $w.f2 -row 0 -column 1 -pady 2m -padx 2m

set t 0

foreach str {Option1 Option2 Option3} {

    checkbutton $w.f2.b$t -text $str

    pack $w.f2.b$t -side top -fill x -pady 2

    incr t

}

lfEnableButtons $w.f2

grid columnconfigure $w {0 1} -weight 1