note description: "Contains information about a header control notification% %message." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date$" revision: "$Revision$" class WEL_NM_HEADER inherit WEL_STRUCTURE create make, make_by_nmhdr, make_by_pointer feature {NONE} -- Initialization make_by_nmhdr (a_nmhdr: WEL_NMHDR) -- 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 -- Information about the Wm_notify message. do create Result.make_by_pointer (cwel_nmheader_get_hdr (item)) ensure result_not_void: Result /= Void end iitem: INTEGER -- Zero-based index of the header item generating message. do Result := cwel_nmheader_get_iitem (item) end ibutton: INTEGER -- Value of mouse button used to generate message. do Result := cwel_nmheader_get_ibutton (item) end hditem: WEL_HD_ITEM -- `Result' is information about `iitem'. do create Result.make_by_pointer (cwel_nmheader_get_hditem (item)) end feature -- Measurement structure_size: INTEGER -- Size to allocate (in bytes) once Result := c_size_of_nm_header end feature {NONE} -- Externals c_size_of_nm_header: INTEGER external "C [macro %"wel.h%"]" alias "sizeof (NMHEADER)" end cwel_nmheader_get_hdr (ptr: POINTER): POINTER external "C [struct ] (NMHEADER): EIF_POINTER" alias "&hdr" end cwel_nmheader_get_iitem (ptr: POINTER): INTEGER external "C [struct ] (NMHEADER): EIF_INTEGER" alias "iItem" end cwel_nmheader_get_ibutton (ptr: POINTER): INTEGER external "C [struct ] (NMHEADER): EIF_INTEGER" alias "iButton" end cwel_nmheader_get_hditem (ptr: POINTER): POINTER external "C [struct ] (NMHEADER): EIF_POINTER" alias "pitem" end 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