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#
# tk/scrollable.rb : module for scrollable widget
#
require 'tk'
module Tk
module Scrollable
def xscrollcommand(cmd=Proc.new)
configure_cmd 'xscrollcommand', cmd
end
def yscrollcommand(cmd=Proc.new)
configure_cmd 'yscrollcommand', cmd
end
def xview(*index)
if index.size == 0
list(tk_send_without_enc('xview'))
else
tk_send_without_enc('xview', *index)
self
end
end
def yview(*index)
if index.size == 0
list(tk_send_without_enc('yview'))
else
tk_send_without_enc('yview', *index)
self
end
end
def xscrollbar(bar=nil)
if bar
@xscrollbar = bar
@xscrollbar.orient 'horizontal'
self.xscrollcommand {|*arg| @xscrollbar.set(*arg)}
@xscrollbar.command {|*arg| self.xview(*arg)}
end
@xscrollbar
end
def yscrollbar(bar=nil)
if bar
@yscrollbar = bar
@yscrollbar.orient 'vertical'
self.yscrollcommand {|*arg| @yscrollbar.set(*arg)}
@yscrollbar.command {|*arg| self.yview(*arg)}
end
@yscrollbar
end
end
end
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