eiffel-iup/library/iup_widget_cb_action.e

deferred class IUP_WIDGET_CB_ACTION
-- Command to handle the callback action.

inherit
	IUP_WIDGET_INTERNALS
	
feature {ANY}

	set_cb_action (act: detachable FUNCTION[TUPLE[IUP_BUTTON], STRING])
		-- Action generated when the element is activated. Affects each 
		-- element differently.
		local
			operation: INTEGER
		do
			cb_action := act

			if cb_action /= Void then
				operation := 1
			else
				operation := 0
			end
			
			iup_open.set_callback (Current, "ACTION", "Fn", operation)
		end

feature {NONE}

	cb_action: detachable FUNCTION[TUPLE[IUP_BUTTON], STRING]

end

-- The MIT License (MIT)

-- Copyright (c) 2016, 2019, 2020 by German A. Arias

-- Permission is hereby granted, free of charge, to any person obtaining a copy
-- of this software and associated documentation files (the "Software"), to deal
-- in the Software without restriction, including without limitation the rights
-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-- copies of the Software, and to permit persons to whom the Software is
-- furnished to do so, subject to the following conditions:
--
-- The above copyright notice and this permission notice shall be included in 
-- all copies or substantial portions of the Software.
--
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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-- SOFTWARE.