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#
# tk/composite.rb :
#
require 'tk'
module TkComposite
include Tk
extend Tk
def initialize(parent=nil, *args)
@delegates = {}
if parent.kind_of? Hash
keys = _symbolkey2str(parent)
parent = keys.delete('parent')
@frame = TkFrame.new(parent)
@delegates['DEFAULT'] = @frame
@path = @epath = @frame.path
initialize_composite(keys)
else
@frame = TkFrame.new(parent)
@delegates['DEFAULT'] = @frame
@path = @epath = @frame.path
initialize_composite(*args)
end
end
def epath
@epath
end
def initialize_composite(*args) end
private :initialize_composite
def delegate(option, *wins)
if @delegates[option].kind_of?(Array)
for i in wins
@delegates[option].push(i)
end
else
@delegates[option] = wins
end
end
def configure(slot, value=None)
if slot.kind_of? Hash
slot.each{|slot,value| configure slot, value}
else
if @delegates and @delegates[slot]
for i in @delegates[slot]
if not i
i = @delegates['DEFALUT']
redo
else
last = i.configure(slot, value)
end
end
last
else
super
end
end
end
end
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