indexing
	description: "Objects that represent a Windows NMCUSTOMDRAW structure."
	status: "See notice at end of class."
	date: "$Date$"
	revision: "$Revision$"

class
	WEL_NM_CUSTOM_DRAW
	
inherit
	WEL_STRUCTURE
	
create
	make,
	make_by_nmhdr,
	make_by_pointer

feature {NONE} -- Initialization

	make_by_nmhdr (a_nmhdr: WEL_NMHDR) is
			-- Make the structure with `a_nmhdr'.
		require
			a_nmhdr_not_void: a_nmhdr /= Void
		do
			make_by_pointer (a_nmhdr.item)
		end

feature -- Access

	hdr: WEL_NMHDR is
			-- NMHDR structure that contains information about this notification message.
		local
			p: POINTER
		do
			p := cwel_nm_customdraw_get_hdr (item)
			create Result.make_by_pointer (p)
		end
		
	dwdrawstage: INTEGER is
			-- Current drawing stage. See WEL_CDDS_CONSTANTS for values.
		do
			Result := cwel_nm_customdraw_get_dwdrawstage (item)
		end

	hdc: WEL_CLIENT_DC is
			-- Handle to the control's device context.
		local
			p: POINTER
		do
			p := cwel_nm_customdraw_get_hdc (item)
			create Result.make_by_pointer (p)
		end
		
	rc: WEL_RECT is
			-- WEL_RECT that describes the bounding rectangle of the area being drawn.
		local
			p: POINTER
		do
			p := cwel_nm_customdraw_get_rc (item)
			create Result.make_by_pointer (p)
		end
		
	dwitemspec: POINTER is
			-- Item number.
		do
			Result := cwel_nm_customdraw_get_dwitemspec (item)
		end
		
	uitemstate: INTEGER is
			-- Current item state.
		do
			Result := cwel_nm_customdraw_get_uitemstate (item)
		end
		
	litemlparam: POINTER is
			-- Application-defined item data.
		do
			Result := cwel_nm_customdraw_get_litemlparam (item)
		end

feature -- Measurement

	structure_size: INTEGER is
			-- Size to allocate (in bytes)
		once
			Result := c_size_of_nm_customdraw
		end

feature {NONE} -- Implementation

	c_size_of_nm_customdraw: INTEGER is
		external
			"C macro use <commctrl.h>"
		alias
			"sizeof (NMCUSTOMDRAW)"
		end
		
	cwel_nm_customdraw_get_hdr (ptr: POINTER): POINTER is
		external
			"C [struct %"commctrl.h%"] (NMCUSTOMDRAW): EIF_POINTER"
		alias
			"&hdr"
		end
		
	cwel_nm_customdraw_get_dwdrawstage (ptr: POINTER): INTEGER is
		external
			"C [struct %"commctrl.h%"] (NMCUSTOMDRAW): EIF_INTEGER"
		alias
			"dwDrawStage"
		end

	cwel_nm_customdraw_get_hdc	(ptr: POINTER): POINTER is
		external
			"C [struct %"commctrl.h%"] (NMCUSTOMDRAW): EIF_POINTER"
		alias
			"hdc"
		end

	cwel_nm_customdraw_get_rc (ptr: POINTER): POINTER is
		external
			"C [struct %"commctrl.h%"] (NMCUSTOMDRAW): EIF_POINTER"
		alias
			"&rc"
		end

	cwel_nm_customdraw_get_dwitemspec (ptr: POINTER): POINTER is
		external
			"C [struct %"commctrl.h%"] (NMCUSTOMDRAW): EIF_POINTER"
		alias
			"dwItemSpec"
		end
	
	cwel_nm_customdraw_get_uitemstate (ptr: POINTER): INTEGER is
		external
			"C [struct %"commctrl.h%"] (NMCUSTOMDRAW): EIF_INTEGER"
		alias
			"uItemState"
		end
		
	cwel_nm_customdraw_get_litemlparam (ptr: POINTER): POINTER is
		external
			"C [struct %"commctrl.h%"] (NMCUSTOMDRAW): EIF_POINTER"
		alias
			"lItemlParam"
		end

end -- class WEL_NM_CUSTOM_DRAW

--|----------------------------------------------------------------
--| Windows Eiffel Library: library of reusable components for ISE Eiffel.
--| Copyright (C) 1985-2004 Eiffel Software. All rights reserved.
--| Duplication and distribution prohibited.  May be used only with
--| ISE Eiffel, under terms of user license.
--| Contact Eiffel Software for any other use.
--|
--| Interactive Software Engineering Inc.
--| dba Eiffel Software
--| 356 Storke Road, Goleta, CA 93117 USA
--| Telephone 805-685-1006, Fax 805-685-6869
--| Contact us at: http://www.eiffel.com/general/email.html
--| Customer support: http://support.eiffel.com
--| For latest info on our award winning products, visit:
--|	http://www.eiffel.com
--|----------------------------------------------------------------