# clrpick.tcl --

#

# This demonstration script prompts the user to select a color.

#

# RCS: @(#) $Id: clrpick.tcl,v 1.3 2001/06/14 10:56:58 dkf Exp $

if {![info exists widgetDemo]} {

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

}

set w .clrpick

catch {destroy $w}

toplevel $w

wm title $w "Color Selection Dialog"

wm iconname $w "colors"

positionWindow $w

label $w.msg -font $font -wraplength 4i -justify left -text "Press the buttons below to choose the foreground and background colors for the widgets in this window."

pack $w.msg -side top

frame $w.buttons

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

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

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

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

button $w.back -text "Set background color ..." \

    -command \

    "setColor $w $w.back background {-background -highlightbackground}"

button $w.fore -text "Set foreground color ..." \

    -command \

    "setColor $w $w.back foreground -foreground"

pack $w.back $w.fore -side top -anchor c -pady 2m

proc setColor {w button name options} {

    grab $w

    set initialColor [$button cget -$name]

    set color [tk_chooseColor -title "Choose a $name color" -parent $w \

	-initialcolor $initialColor]

    if {[string compare $color ""]} {

	setColor_helper $w $options $color

    }

    grab release $w

}

proc setColor_helper {w options color} {

    foreach option $options {

	catch {

	    $w config $option $color

	}

    }

    foreach child [winfo children $w] {

	setColor_helper $child $options $color

    }

}