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Diffstat (limited to 'ext/tk/lib/tkscrollbox.rb')
-rw-r--r-- | ext/tk/lib/tkscrollbox.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/ext/tk/lib/tkscrollbox.rb b/ext/tk/lib/tkscrollbox.rb new file mode 100644 index 0000000000..8d129b2f4b --- /dev/null +++ b/ext/tk/lib/tkscrollbox.rb @@ -0,0 +1,27 @@ +# +# tkscrollbox.rb - Tk Listbox with Scrollbar +# as an example of Composite Widget +# $Date$ +# by Yukihiro Matsumoto <matz@caelum.co.jp> + +require 'tk.rb' + +class TkScrollbox<TkListbox + include TkComposite + def initialize_composite + list = TkListbox.new(@frame) + scroll = TkScrollbar.new(@frame) + @path = list.path + + list.configure 'yscroll', scroll.path+" set" + list.pack 'side'=>'left','fill'=>'both','expand'=>'yes' + scroll.configure 'command', list.path+" yview" + scroll.pack 'side'=>'right','fill'=>'y' + + delegate('DEFAULT', list) + delegate('foreground', list) + delegate('background', list, scroll) + delegate('borderwidth', @frame) + delegate('relief', @frame) + end +end |