75 lines
1.8 KiB
Ruby
75 lines
1.8 KiB
Ruby
#
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# widget demo prompts the user to select a color (called by 'widget')
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#
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# toplevel widget が存在すれば削除する
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if defined?($clrpick_demo) && $clrpick_demo
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$clrpick_demo.destroy
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$clrpick_demo = nil
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end
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# demo 用の toplevel widget を生成
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$clrpick_demo = TkToplevel.new {|w|
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title("Color Selection Dialogs")
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iconname("colors")
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positionWindow(w)
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}
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# label 生成
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TkLabel.new($clrpick_demo,'font'=>$font,'wraplength'=>'4i','justify'=>'left',
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'text'=>"以下のボタンを押して、このウィンドウ上にあるウィジェットの前景色と背景色を選択して下さい。").pack('side'=>'top')
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# frame 生成
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TkFrame.new($clrpick_demo) {|frame|
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TkButton.new(frame) {
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text '了解'
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command proc{
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tmppath = $clrpick_demo
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$clrpick_demo = nil
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tmppath.destroy
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}
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}.pack('side'=>'left', 'expand'=>'yes')
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TkButton.new(frame) {
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text 'コード参照'
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command proc{showCode 'clrpick'}
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}.pack('side'=>'left', 'expand'=>'yes')
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}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
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# button 生成
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TkButton.new($clrpick_demo, 'text'=>'背景色を設定 ...') {|b|
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command(proc{setColor $clrpick_demo, b, 'background',
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['background', 'highlightbackground']})
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pack('side'=>'top', 'anchor'=>'c', 'pady'=>'2m')
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}
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TkButton.new($clrpick_demo, 'text'=>'前景色を設定 ...') {|b|
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command(proc{setColor $clrpick_demo, b, 'foreground', ['foreground']})
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pack('side'=>'top', 'anchor'=>'c', 'pady'=>'2m')
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}
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def setColor(w,button,name,options)
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w.grab
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initialColor = button[name]
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color = Tk.chooseColor('title'=>"Choose a #{name} color", 'parent'=>w,
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'initialcolor'=>initialColor)
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if color != ""
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setColor_helper(w,options,color)
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end
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w.grab('release')
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end
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def setColor_helper(w, options, color)
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options.each{|opt|
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begin
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w[opt] = color
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rescue
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end
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}
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TkWinfo.children(w).each{|child|
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setColor_helper child, options, color
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}
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end
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