note
	description:
		"Eiffel Vision cell, Mswindows implementation."
	legal: "See notice at end of class."
	status: "See notice at end of class."
	date: "$Date$"
	revision: "$Revision$"

class
	EV_CELL_IMP

inherit
	EV_CELL_I
		redefine
			interface
		end

	EV_DOCKABLE_TARGET_IMP
		redefine
			interface
		end

	EV_SINGLE_CHILD_CONTAINER_IMP
		undefine
			propagate_foreground_color,
			propagate_background_color
		redefine
			interface,
			compute_minimum_width,
			compute_minimum_height,
			compute_minimum_size,
			make
		end

	EV_WEL_CONTROL_CONTAINER_IMP
		rename
			make as ev_wel_control_container_make
		undefine
			on_wm_dropfiles
		redefine
			top_level_window_imp
		end

create
	make

feature -- initialization

	old_make (an_interface: like interface)
			-- Create `Current'.
		do
			assign_interface (an_interface)
		end

	make
		do
			ev_wel_control_container_make
			Precursor
		end

feature -- Element change

	top_level_window_imp: detachable EV_WINDOW_IMP
			-- Top level window that contains `Current'.

	set_top_level_window_imp (a_window: detachable EV_WINDOW_IMP)
			-- Make `a_window' the new `top_level_window_imp'
			-- of `Current'.
		do
			top_level_window_imp := a_window
			if attached item_imp as l_item_imp then
				l_item_imp.set_top_level_window_imp (a_window)
			end
		end

feature {EV_ANY_I} -- Implementation

	compute_minimum_width
			-- Recompute the minimum_width of `Current'.
		local
			mw: INTEGER
		do
			if attached item_imp as l_item_imp and then l_item_imp.is_show_requested then
				mw := l_item_imp.minimum_width
			end
			ev_set_minimum_width (mw)
		end

	compute_minimum_height
			-- Recompute the minimum_width of `Current'.
		local
			mh: INTEGER
		do
			if attached item_imp as l_item_imp and then l_item_imp.is_show_requested then
				mh := l_item_imp.minimum_height
			end
			ev_set_minimum_height (mh)
		end

	compute_minimum_size
			-- Recompute both the minimum_width the
			-- minimum_height of `Current'.
		local
			mw, mh: INTEGER
		do
			if attached item_imp as l_item_imp and then l_item_imp.is_show_requested then
				mw := l_item_imp.minimum_width
				mh := l_item_imp.minimum_height
			end
			ev_set_minimum_size (mw, mh)
		end

feature {EV_ANY, EV_ANY_I} -- Implementation

	interface: detachable EV_CELL note option: stable attribute end;
			-- Provides a common user interface to possibly dependent
			-- functionality implemented by `Current'.

note
	copyright:	"Copyright (c) 1984-2006, Eiffel Software and others"
	license:	"Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
	source: "[
			 Eiffel Software
			 356 Storke Road, Goleta, CA 93117 USA
			 Telephone 805-685-1006, Fax 805-685-6869
			 Website http://www.eiffel.com
			 Customer support http://support.eiffel.com
		]"

end -- class EV_CELL_IMP