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55 lines
1.4 KiB
55 lines
1.4 KiB
6 years ago
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# clrpick.tcl --
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#
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# This demonstration script prompts the user to select a color.
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if {![info exists widgetDemo]} {
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error "This script should be run from the \"widget\" demo."
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}
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package require Tk
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set w .clrpick
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catch {destroy $w}
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toplevel $w
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wm title $w "Color Selection Dialog"
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wm iconname $w "colors"
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positionWindow $w
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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."
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pack $w.msg -side top
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## See Code / Dismiss buttons
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set btns [addSeeDismiss $w.buttons $w]
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pack $btns -side bottom -fill x
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button $w.back -text "Set background color ..." \
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-command \
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"setColor $w $w.back background {-background -highlightbackground}"
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button $w.fore -text "Set foreground color ..." \
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-command \
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"setColor $w $w.back foreground -foreground"
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pack $w.back $w.fore -side top -anchor c -pady 2m
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proc setColor {w button name options} {
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grab $w
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set initialColor [$button cget -$name]
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set color [tk_chooseColor -title "Choose a $name color" -parent $w \
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-initialcolor $initialColor]
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if {[string compare $color ""]} {
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setColor_helper $w $options $color
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}
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grab release $w
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}
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proc setColor_helper {w options color} {
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foreach option $options {
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catch {
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$w config $option $color
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}
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}
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foreach child [winfo children $w] {
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setColor_helper $child $options $color
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}
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}
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