# clrpick.tcl -- # # This demonstration script prompts the user to select a color. # # RCS: @(#) $Id: clrpick.tcl,v 1.5 2004/12/21 11:56:35 dkf Exp $ if {![info exists widgetDemo]} { error "This script should be run from the \"widget\" demo." } package require Tk 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 ## See Code / Dismiss buttons set btns [addSeeDismiss $w.buttons $w] pack $btns -side bottom -fill x 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 } }