eiffel-iup/library/iup_widget_position.e

deferred class IUP_WIDGET_POSITION
-- Commands to handle the attributes related with position.

inherit
	IUP_WIDGET_INTERNALS
	
feature {ANY}

	set_position (x: INTEGER; y: INTEGER)
		-- The position of the element relative to the origin of the 
		-- Client	area of the native parent. If you add the CLIENTOFFSET
		-- attribute of the native parent, you can obtain the 
		-- coordinates relative to the Window area of the native parent. See 
		-- the Layout Guide.
		-- It will be changed during the layout computation, except when
		-- FLOATING=YES or when used inside a concrete layout container.
		require
			non_negative: x >= 0
							  y >= 0
		local
			size: STRING
		do
			size := x.out
			size.append_string(",")
			size.append_string(y.out)

			iup_open.set_attribute(Current, "POSITION", size)
		end

	get_position: TUPLE[INTEGER, INTEGER]
		-- Returns the position of the element relative to the origin of 
		-- the Client area of the native parent. If you add the 
		-- CLIENTOFFSET attribute of the native parent, you can obtain 
		-- the coordinates relative to the Window area of the native parent. 
		local
			position: STRING
		do
			position := iup_open.get_attribute(Current, "POSITION")
			Result := components_of_position(position)			
		end

end

-- The MIT License (MIT)

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

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-- of this software and associated documentation files (the "Software"), to deal
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--
-- The above copyright notice and this permission notice shall be included in 
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