indexing
	description: "Definition of the system colors."
	legal: "See notice at end of class."
	status: "See notice at end of class."
	date: "$Date: 2006-05-12 18:21:20 -0700 (Fri, 12 May 2006) $"
	revision: "$Revision: 58934 $"

class interface
	WEL_SYSTEM_COLORS

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)

	system_color_3dface: WEL_COLOR_REF
			-- Face color for three-dimensional display elements and
			-- for dialog box backgrounds.
			-- Was declared in WEL_SYSTEM_COLORS as synonym of system_color_btnface.
		ensure
			result_exists: Result /= Void

	system_color_3dhighlight: WEL_COLOR_REF
			-- Highlight color for three-dimensional display elements
			-- (for edges facing the light source.)
			-- Was declared in WEL_SYSTEM_COLORS as synonym of system_color_btnhighlight, system_color_btnhilight and system_color_3dhilight.
		ensure
			result_exists: Result /= Void

	system_color_3dhilight: WEL_COLOR_REF
			-- Highlight color for three-dimensional display elements
			-- (for edges facing the light source.)
			-- Was declared in WEL_SYSTEM_COLORS as synonym of system_color_btnhighlight, system_color_btnhilight and system_color_3dhighlight.
		ensure
			result_exists: Result /= Void

	system_color_3dshadow: WEL_COLOR_REF
			-- Shadow color for three-dimensional display elements
			-- (for edges facing away from the light source).
			-- Was declared in WEL_SYSTEM_COLORS as synonym of system_color_btnshadow.
		ensure
			result_exists: Result /= Void

	system_color_activeborder: WEL_COLOR_REF
			-- Color for active window border.
		ensure
			result_exists: Result /= Void

	system_color_activecaption: WEL_COLOR_REF
			-- Color for active window title bar.
			--
			-- Windows 98, Windows 2000: Specifies the left side color in the
			-- color gradient of an active window's title bar if the gradient
			-- effect is enabled.
		ensure
			result_exists: Result /= Void

	system_color_appworkspace: WEL_COLOR_REF
			-- Background color of multiple document interface
			-- (MDI) applications.
		ensure
			result_exists: Result /= Void

	system_color_background: WEL_COLOR_REF
			-- Color of the desktop
			-- Was declared in WEL_SYSTEM_COLORS as synonym of system_color_desktop.
		ensure
			result_exists: Result /= Void

	system_color_btnface: WEL_COLOR_REF
			-- Face color for three-dimensional display elements and
			-- for dialog box backgrounds.
			-- Was declared in WEL_SYSTEM_COLORS as synonym of system_color_3dface.
		ensure
			result_exists: Result /= Void

	system_color_btnhighlight: WEL_COLOR_REF
			-- Highlight color for three-dimensional display elements
			-- (for edges facing the light source.)
			-- Was declared in WEL_SYSTEM_COLORS as synonym of system_color_btnhilight, system_color_3dhighlight and system_color_3dhilight.
		ensure
			result_exists: Result /= Void

	system_color_btnhilight: WEL_COLOR_REF
			-- Highlight color for three-dimensional display elements
			-- (for edges facing the light source.)
			-- Was declared in WEL_SYSTEM_COLORS as synonym of system_color_btnhighlight, system_color_3dhighlight and system_color_3dhilight.
		ensure
			result_exists: Result /= Void

	system_color_btnshadow: WEL_COLOR_REF
			-- Shadow color for three-dimensional display elements
			-- (for edges facing away from the light source).
			-- Was declared in WEL_SYSTEM_COLORS as synonym of system_color_3dshadow.
		ensure
			result_exists: Result /= Void

	system_color_btntext: WEL_COLOR_REF
			-- Color of text on push buttons.
		ensure
			result_exists: Result /= Void

	system_color_captiontext: WEL_COLOR_REF
			-- Color for text in caption, size box, and
			-- scroll bar arrow box.
		ensure
			result_exists: Result /= Void

	system_color_desktop: WEL_COLOR_REF
			-- Color of the desktop
			-- Was declared in WEL_SYSTEM_COLORS as synonym of system_color_background.
		ensure
			result_exists: Result /= Void

	system_color_gradientactivecaption: WEL_COLOR_REF
			-- Right side color in the color gradient of an active window's
			-- title bar. system_color_activecaption specifies the left side color.
		require
			windows_98_required: (create {WEL_WINDOWS_VERSION}).is_windows_98_compatible
		ensure
			result_exists: Result /= Void

	system_color_gradientinactivecaption: WEL_COLOR_REF
			-- Right side color in the color gradient of an inactive window's
			-- title bar. system_color_inactivecaption specifies the left side color.
		require
			windows_98_required: (create {WEL_WINDOWS_VERSION}).is_windows_98_compatible
		ensure
			result_exists: Result /= Void

	system_color_graytext: WEL_COLOR_REF
			-- Color for grayed (disabled) text.
		ensure
			result_exists: Result /= Void

	system_color_highlight: WEL_COLOR_REF
			-- Color for item(s) selected in a control.
		ensure
			result_exists: Result /= Void

	system_color_highlighttext: WEL_COLOR_REF
			-- Color for text of item(s) selected in a control.
		ensure
			result_exists: Result /= Void

	system_color_hotlight: WEL_COLOR_REF
			-- Color for a hot-tracked item. Single clicking a hot-tracked item executes the item.
			-- (Windows 98/Me, Windows 2000 or later)
		require
			windows_98_required: (create {WEL_WINDOWS_VERSION}).is_windows_98_compatible
		ensure
			result_exists: Result /= Void

	system_color_inactiveborder: WEL_COLOR_REF
			-- Color for inactive window border.
		ensure
			result_exists: Result /= Void

	system_color_inactivecaption: WEL_COLOR_REF
			-- Color for inactive window caption.
			--
			-- Windows 98, Windows 2000: Specifies the left side color in the
			-- color gradient of an inactive window's title bar if the gradient
			-- effect is enabled.
		ensure
			result_exists: Result /= Void

	system_color_inactivecaptiontext: WEL_COLOR_REF
			-- Color of text in an inactive caption.
		ensure
			result_exists: Result /= Void

	system_color_info_text: WEL_COLOR_REF
			-- Background color for tooltip text
		ensure
			result_exists: Result /= Void

	system_color_infobk: WEL_COLOR_REF
			-- Background color for tooltip
		ensure
			result_exists: Result /= Void

	system_color_menu: WEL_COLOR_REF
			-- background color for menus.
		ensure
			result_exists: Result /= Void

	system_color_menubar: WEL_COLOR_REF
			-- The background color for the menu bar when menus appear as flat menus (see SystemParametersInfo).
			-- However, system_color_menu continues to specify the background color of the menu popup.
		require
			windows_xp_required: (create {WEL_WINDOWS_VERSION}).is_windows_xp_compatible
		ensure
			result_exists: Result /= Void

	system_color_menuhilight: WEL_COLOR_REF
			-- The color used to highlight menu items when the menu appears as a flat menu (see SystemParametersInfo).
			-- The highlighted menu item is outlined with system_color_highlight.
		require
			windows_xp_required: (create {WEL_WINDOWS_VERSION}).is_windows_xp_compatible
		ensure
			result_exists: Result /= Void

	system_color_menutext: WEL_COLOR_REF
			-- Color for text in menus.
		ensure
			result_exists: Result /= Void

	system_color_scrollbar: WEL_COLOR_REF
			-- Color for the scroll bar gray area.
		ensure
			result_exists: Result /= Void

	system_color_window: WEL_COLOR_REF
			-- background for windows.
		ensure
			result_exists: Result /= Void

	system_color_windowframe: WEL_COLOR_REF
			-- Color for window frame.
		ensure
			result_exists: Result /= Void

	system_color_windowtext: WEL_COLOR_REF
			-- Color for text in windows.
		ensure
			result_exists: Result /= Void
	
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

	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

	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))
	
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_COLORS