    indexing
    	description: "System metrics and system configuration settings informations."
    	legal: "See notice at end of class."
    	status: "See notice at end of class."
    	date: "$Date: 2006-07-12 09:20:13 -0700 (Wed, 12 Jul 2006) $"
    	revision: "$Revision: 61222 $"

    class interface
    	WEL_SYSTEM_METRICS

    create
    	default_create
    			-- Process instances of classes with no creation clause.
    			-- (Default: do nothing.)
    			-- (from ANY)

    feature -- Access

    	generating_type: STRING_8
    			-- Name of current object's generating type
    			-- (type of which it is a direct instance)
    			-- (from ANY)

    	generator: STRING_8
    			-- Name of current object's generating class
    			-- (base class of the type of which it is a direct instance)
    			-- (from ANY)

    feature -- Comparison

    	frozen deep_equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' either both void
    			-- or attached to isomorphic object structures?
    			-- (from ANY)
    		ensure -- from ANY
    			shallow_implies_deep: standard_equal (some, other) implies Result
    			both_or_none_void: (some = Void) implies (Result = (other = Void))
    			same_type: (Result and (some /= Void)) implies some.same_type (other)
    			symmetric: Result implies deep_equal (other, some)

    	frozen equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' either both void or attached
    			-- to objects considered equal?
    			-- (from ANY)
    		ensure -- from ANY
    			definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.is_equal (other))

    	is_equal (other: like Current): BOOLEAN
    			-- Is `other' attached to an object considered
    			-- equal to current object?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			symmetric: Result implies other.is_equal (Current)
    			consistent: standard_is_equal (other) implies Result

    	frozen standard_equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' either both void or attached to
    			-- field-by-field identical objects of the same type?
    			-- Always uses default object comparison criterion.
    			-- (from ANY)
    		ensure -- from ANY
    			definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.standard_is_equal (other))

    	frozen standard_is_equal (other: like Current): BOOLEAN
    			-- Is `other' attached to an object of the same type
    			-- as current object, and field-by-field identical to it?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			same_type: Result implies same_type (other)
    			symmetric: Result implies other.standard_is_equal (Current)

    feature -- Status report

    	caption_height: INTEGER_32
    			-- Height of normal caption area

    	conforms_to (other: ANY): BOOLEAN
    			-- Does type of current object conform to type
    			-- of `other' (as per Eiffel: The Language, chapter 13)?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void

    	cursor_height: INTEGER_32
    			-- Height of the cursor

    	cursor_width: INTEGER_32
    			-- Width of the cursor

    	dbcs_installed: BOOLEAN
    			-- Is the double-byte character set (DBCS) version
    			-- of USER.EXE installed?

    	debug_installed: BOOLEAN
    			-- Is the debugging version of USER.EXE installed?

    	dialog_window_frame_height: INTEGER_32
    			-- Height of window frame for window that
    			-- has the `Ws_dlgframe' style

    	dialog_window_frame_width: INTEGER_32
    			-- Width of window frame for window that
    			-- has the `Ws_dlgframe' style

    	double_click_height: INTEGER_32
    			-- Height of a rectangle around the location of a
    			-- first click in a double-click sequence. The second
    			-- click must occur within this rectangle for the
    			-- system to consider the two clicks a double-click.

    	double_click_width: INTEGER_32
    			-- Width of a rectangle around the location of a
    			-- first click in a double-click sequence. The second
    			-- click must occur within this rectangle for the
    			-- system to consider the two clicks a double-click.

    	full_screen_client_area_height: INTEGER_32
    			-- Height of the client area for a full-screen window

    	full_screen_client_area_width: INTEGER_32
    			-- Width of the client area for a full-screen window

    	horizontal_scroll_bar_arrow_height: INTEGER_32
    			-- Height of arrow bitmap on horizontal scrollbar

    	horizontal_scroll_bar_arrow_width: INTEGER_32
    			-- Width of arrow bitmap on horizontal scrollbar

    	horizontal_scroll_bar_thumb_width: INTEGER_32

    	icon_height: INTEGER_32
    			-- Height of an icon

    	icon_spacing_height: INTEGER_32
    			-- Height of rectangular cell that Program Manager
    			-- uses to position tiled icons

    	icon_spacing_width: INTEGER_32
    			-- Width of rectangular cell that Program Manager
    			-- uses to position tiled icons

    	icon_width: INTEGER_32
    			-- Width of an icon

    	imm_enabled: BOOLEAN
    			-- Is the IMM enabled (works only for Windows 2000 and
    			-- and Asian locale machines (Chinese, Japanese, Korean))

    	kanji_window_height: INTEGER_32
    			-- Height of the Kanji window at the bottom of the
    			-- screen. For double-byte character set versions of
    			-- Windows only.

    	maximized_window_height: INTEGER_32
    			-- Height of a maximized window

    	maximized_window_width: INTEGER_32
    			-- Width of a maximized window

    	menu_bar_height: INTEGER_32
    			-- Height of single-line menu bar

    	mouse_button_swapped: BOOLEAN
    			-- Are the meanings of the left and right mouse
    			-- buttons swapped?

    	mouse_installed: BOOLEAN
    			-- Is a mouse installed?

    	pen_installed: BOOLEAN
    			-- Is a pen installed?

    	popup_menu_right_aligned: BOOLEAN
    			-- Are pop-up menus right-aligned relative to the
    			-- corresponding menu-bar item?

    	same_type (other: ANY): BOOLEAN
    			-- Is type of current object identical to type of `other'?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			definition: Result = (conforms_to (other) and other.conforms_to (Current))

    	screen_height: INTEGER_32
    			-- Screen height

    	screen_width: INTEGER_32
    			-- Screen width

    	title_bar_height: INTEGER_32
    			-- Height of title bar.

    	title_bar_image_height: INTEGER_32
    			-- Height of bitmap contained in title bar.

    	title_bar_image_width: INTEGER_32
    			-- Width of bitmap contained in title bar.

    	vertical_scroll_bar_arrow_height: INTEGER_32
    			-- Height of arrow bitmap on vertical scrollbar

    	vertical_scroll_bar_arrow_width: INTEGER_32
    			-- Width of arrow bitmap on vertical scrollbar

    	vertical_scroll_bar_thumb_height: INTEGER_32
    			-- Height of vertical scrollbar thumb

    	virtual_screen_height: INTEGER_32
    			-- Screen height

    	virtual_screen_width: INTEGER_32
    			-- Screen width

    	virtual_screen_x: INTEGER_32
    			-- Screen width

    	virtual_screen_y: INTEGER_32
    			-- Screen height

    	window_border_height: INTEGER_32
    			-- Height of the border of a window

    	window_border_width: INTEGER_32
    			-- Width of the border of a window

    	window_frame_height: INTEGER_32
    			-- Height of window frame for a window
    			-- that can be resized

    	window_frame_width: INTEGER_32
    			-- Width of window frame for a window
    			-- that can be resized

    	window_minimum_height: INTEGER_32
    			-- Minimum height of a window

    	window_minimum_width: INTEGER_32
    			-- Minimum width of a window

    feature -- Duplication

    	copy (other: like Current)
    			-- Update current object using fields of object attached
    			-- to `other', so as to yield equal objects.
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    			type_identity: same_type (other)
    		ensure -- from ANY
    			is_equal: is_equal (other)

    	frozen deep_copy (other: like Current)
    			-- Effect equivalent to that of:
    			--		copy (`other' . deep_twin)
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			deep_equal: deep_equal (Current, other)

    	frozen deep_twin: like Current
    			-- New object structure recursively duplicated from Current.
    			-- (from ANY)
    		ensure -- from ANY
    			deep_equal: deep_equal (Current, Result)

    	frozen standard_copy (other: like Current)
    			-- Copy every field of `other' onto corresponding field
    			-- of current object.
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    			type_identity: same_type (other)
    		ensure -- from ANY
    			is_standard_equal: standard_is_equal (other)

    	frozen standard_twin: like Current
    			-- New object field-by-field identical to `other'.
    			-- Always uses default copying semantics.
    			-- (from ANY)
    		ensure -- from ANY
    			standard_twin_not_void: Result /= Void
    			equal: standard_equal (Result, Current)

    	frozen twin: like Current
    			-- New object equal to `Current'
    			-- twin calls copy; to change copying/twining semantics, redefine copy.
    			-- (from ANY)
    		ensure -- from ANY
    			twin_not_void: Result /= Void
    			is_equal: Result.is_equal (Current)

    feature -- Basic operations

    	frozen default: like Current
    			-- Default value of object's type
    			-- (from ANY)

    	frozen default_pointer: POINTER
    			-- Default value of type `POINTER'
    			-- (Avoid the need to write `p'.default for
    			-- some `p' of type `POINTER'.)
    			-- (from ANY)

    	default_rescue
    			-- Process exception for routines with no Rescue clause.
    			-- (Default: do nothing.)
    			-- (from ANY)

    	frozen do_nothing
    			-- Execute a null action.
    			-- (from ANY)

    feature -- Output

    	io: STD_FILES
    			-- Handle to standard file setup
    			-- (from ANY)

    	out: STRING_8
    			-- New string containing terse printable representation
    			-- of current object
    			-- Was declared in ANY as synonym of tagged_out.
    			-- (from ANY)

    	print (some: ANY)
    			-- Write terse external representation of `some'
    			-- on standard output.
    			-- (from ANY)

    	frozen tagged_out: STRING_8
    			-- New string containing terse printable representation
    			-- of current object
    			-- Was declared in ANY as synonym of out.
    			-- (from ANY)

    feature -- Platform

    	operating_environment: OPERATING_ENVIRONMENT
    			-- Objects available from the operating system
    			-- (from ANY)

    invariant
    		-- from ANY
    	reflexive_equality: standard_is_equal (Current)
    	reflexive_conformance: conforms_to (Current)

    indexing
    	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 WEL_SYSTEM_METRICS