diff options
Diffstat (limited to 'ext/tk/sample/demos-jp/clrpick.rb')
-rw-r--r-- | ext/tk/sample/demos-jp/clrpick.rb | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/ext/tk/sample/demos-jp/clrpick.rb b/ext/tk/sample/demos-jp/clrpick.rb new file mode 100644 index 0000000000..55cfd9c7c6 --- /dev/null +++ b/ext/tk/sample/demos-jp/clrpick.rb @@ -0,0 +1,74 @@ +# +# widget demo prompts the user to select a color (called by 'widget') +# + +# toplevel widget が存在すれば削除する +if defined?($clrpick_demo) && $clrpick_demo + $clrpick_demo.destroy + $clrpick_demo = nil +end + +# demo 用の toplevel widget を生成 +$clrpick_demo = TkToplevel.new {|w| + title("Color Selection Dialogs") + iconname("colors") + positionWindow(w) +} + +# label 生成 +TkLabel.new($clrpick_demo,'font'=>$font,'wraplength'=>'4i','justify'=>'left', + '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') + +# frame 生成 +TkFrame.new($clrpick_demo) {|frame| + TkButton.new(frame) { + text '了解' + command proc{ + tmppath = $clrpick_demo + $clrpick_demo = nil + tmppath.destroy + } + }.pack('side'=>'left', 'expand'=>'yes') + + TkButton.new(frame) { + text 'コード参照' + command proc{showCode 'clrpick'} + }.pack('side'=>'left', 'expand'=>'yes') +}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m') + +# button 生成 +TkButton.new($clrpick_demo, 'text'=>'背景色を設定 ...') {|b| + command(proc{setColor $clrpick_demo, b, 'background', + ['background', 'highlightbackground']}) + pack('side'=>'top', 'anchor'=>'c', 'pady'=>'2m') +} + +TkButton.new($clrpick_demo, 'text'=>'前景色を設定 ...') {|b| + command(proc{setColor $clrpick_demo, b, 'foreground', ['foreground']}) + pack('side'=>'top', 'anchor'=>'c', 'pady'=>'2m') +} + +def setColor(w,button,name,options) + w.grab + initialColor = button[name] + color = Tk.chooseColor('title'=>"Choose a #{name} color", 'parent'=>w, + 'initialcolor'=>initialColor) + if color != "" + setColor_helper(w,options,color) + end + + w.grab('release') +end + +def setColor_helper(w, options, color) + options.each{|opt| + begin + w[opt] = color + rescue + end + } + TkWinfo.children(w).each{|child| + setColor_helper child, options, color + } +end + |