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