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#
# tk/scrollbox.rb - Tk Listbox with Scrollbar
# as an example of Composite Widget
# by Yukihiro Matsumoto <matz@netlab.co.jp>
#
require 'tk'
require 'tk/listbox'
class TkScrollbox<Tk::Listbox
include TkComposite
def initialize_composite(keys=nil)
#list = Tk::Listbox.new(@frame)
# -> use current TkListbox class
list = TkListbox.new(@frame)
#scroll = Tk::Scrollbar.new(@frame)
# -> use current TkScrollbar class
scroll = TkScrollbar.new(@frame)
@path = list.path
=begin
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'
=end
list.yscrollbar(scroll)
list.pack('side'=>'left','fill'=>'both','expand'=>'yes')
scroll.pack('side'=>'right','fill'=>'y')
delegate('DEFAULT', list)
delegate('foreground', list)
delegate('background', list, scroll)
delegate('borderwidth', @frame)
delegate('relief', @frame)
configure keys if keys
end
private :initialize_composite
end
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