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note description: "Abstract notion of a checkable/uncheckable menu item." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2014-05-20 19:43:47 -0800 (Tue, 20 May 2014) $" revision: "$Revision: 95131 $" deferred class interface EV_CHECKABLE_MENU_ITEM_IMP feature -- Access Black: WEL_COLOR_REF -- Black color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Blue: WEL_COLOR_REF -- Blue color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void caption_font: WEL_FONT -- Caption font -- (from WEL_SHARED_FONTS) ensure -- from WEL_SHARED_FONTS result_exists: Result /= Void and then Result.exists Cyan: WEL_COLOR_REF -- Cyan color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Dark_blue: WEL_COLOR_REF -- Dark blue color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Dark_cyan: WEL_COLOR_REF -- Dark cyan color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Dark_gray: WEL_COLOR_REF -- Dark grey color -- Was declared in {WEL_STANDARD_COLORS} as synonym of `dark_grey`. -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Dark_green: WEL_COLOR_REF -- Dark green color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Dark_grey: WEL_COLOR_REF -- Dark grey color -- Was declared in {WEL_STANDARD_COLORS} as synonym of `dark_gray`. -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Dark_magenta: WEL_COLOR_REF -- Dark magenta color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Dark_red: WEL_COLOR_REF -- Dark red color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Dark_yellow: WEL_COLOR_REF -- Dark yellow color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void generating_type: TYPE [detachable EV_CHECKABLE_MENU_ITEM_IMP] -- Type of current object -- (type of which it is a direct instance) -- (from ANY) ensure -- from ANY generating_type_not_void: Result /= Void generator: STRING_8 -- Name of current object's generating class -- (base class of the type of which it is a direct instance) -- (from ANY) ensure -- from ANY generator_not_void: Result /= Void generator_not_empty: not Result.is_empty Gray: WEL_COLOR_REF -- Grey color -- Was declared in {WEL_STANDARD_COLORS} as synonym of `grey`. -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Green: WEL_COLOR_REF -- Green color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Grey: WEL_COLOR_REF -- Grey color -- Was declared in {WEL_STANDARD_COLORS} as synonym of `gray`. -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void gui_font: WEL_FONT -- Default screen (WEL) font. -- (from WEL_SHARED_FONTS) ensure -- from WEL_SHARED_FONTS result_exists: Result /= Void and then Result.exists Magenta: WEL_COLOR_REF -- Magenta color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void menu_font: WEL_FONT -- Font used in menus -- (from WEL_SHARED_FONTS) ensure -- from WEL_SHARED_FONTS result_exists: Result /= Void and then Result.exists message_font: WEL_FONT -- Font used in message boxes -- (from WEL_SHARED_FONTS) ensure -- from WEL_SHARED_FONTS result_exists: Result /= Void and then Result.exists pixmap_imp: detachable EV_PIXMAP_IMP_STATE -- Implementation of pixmap in Current. Red: WEL_COLOR_REF -- Red color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void small_caption_font: WEL_FONT -- Small caption font -- (from WEL_SHARED_FONTS) ensure -- from WEL_SHARED_FONTS result_exists: Result /= Void and then Result.exists status_font: WEL_FONT -- Font used in status bars -- (from WEL_SHARED_FONTS) ensure -- from WEL_SHARED_FONTS result_exists: Result /= Void and then Result.exists 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`. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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`. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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`. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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`. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_activeborder: WEL_COLOR_REF -- Color for active window border. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_appworkspace: WEL_COLOR_REF -- Background color of multiple document interface -- (MDI) applications. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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`. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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`. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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`. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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`. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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`. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_btntext: WEL_COLOR_REF -- Color of text on push buttons. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_captiontext: WEL_COLOR_REF -- Color for text in caption, size box, and -- scroll bar arrow box. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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`. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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. -- (from WEL_SYSTEM_COLORS) require -- from WEL_SYSTEM_COLORS windows_98_required: (create {WEL_WINDOWS_VERSION} end).is_windows_98_compatible ensure -- from WEL_SYSTEM_COLORS 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. -- (from WEL_SYSTEM_COLORS) require -- from WEL_SYSTEM_COLORS windows_98_required: (create {WEL_WINDOWS_VERSION} end).is_windows_98_compatible ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_graytext: WEL_COLOR_REF -- Color for grayed (disabled) text. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_highlight: WEL_COLOR_REF -- Color for item(s) selected in a control. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_highlighttext: WEL_COLOR_REF -- Color for text of item(s) selected in a control. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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) -- (from WEL_SYSTEM_COLORS) require -- from WEL_SYSTEM_COLORS windows_98_required: (create {WEL_WINDOWS_VERSION} end).is_windows_98_compatible ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_inactiveborder: WEL_COLOR_REF -- Color for inactive window border. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_inactivecaptiontext: WEL_COLOR_REF -- Color of text in an inactive caption. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_info_text: WEL_COLOR_REF -- Background color for tooltip text -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_infobk: WEL_COLOR_REF -- Background color for tooltip -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_menu: WEL_COLOR_REF -- background color for menus. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS 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. -- (from WEL_SYSTEM_COLORS) require -- from WEL_SYSTEM_COLORS windows_xp_required: (create {WEL_WINDOWS_VERSION} end).is_windows_xp_compatible ensure -- from WEL_SYSTEM_COLORS 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`. -- (from WEL_SYSTEM_COLORS) require -- from WEL_SYSTEM_COLORS windows_xp_required: (create {WEL_WINDOWS_VERSION} end).is_windows_xp_compatible ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_menutext: WEL_COLOR_REF -- Color for text in menus. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_scrollbar: WEL_COLOR_REF -- Color for the scroll bar gray area. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_window: WEL_COLOR_REF -- background for windows. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_windowframe: WEL_COLOR_REF -- Color for window frame. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_color_windowtext: WEL_COLOR_REF -- Color for text in windows. -- (from WEL_SYSTEM_COLORS) ensure -- from WEL_SYSTEM_COLORS result_exists: Result /= Void system_font: WEL_FONT -- Default system font. -- (from WEL_SHARED_FONTS) ensure -- from WEL_SHARED_FONTS font_created: Result /= Void and then Result.exists Wel_color_constants: WEL_COLOR_CONSTANTS -- Access to COLOR_xxx constants. -- (from WEL_CONSTANTS) Wel_drawing_constants: WEL_DRAWING_CONSTANTS -- Drawing Constants -- Include constants: --   DI_xxxx --   DT_xxxx --   ... -- (from WEL_CONSTANTS) Wel_ht_constants: WEL_HT_CONSTANTS -- Access to Ht_xxxconstnats -- (from WEL_CONSTANTS) Wel_input_constants: WEL_INPUT_CONSTANTS -- Mouse Constants -- Include constants: --   MA_xxxx --   ... -- (from WEL_CONSTANTS) Wel_list_view_constants: WEL_LIST_VIEW_CONSTANTS -- ListView Control Constants -- Include constants: --   LVM_xxxx --   LVS_xxxx --   LVN_xxxx --   ... -- (from WEL_CONSTANTS) Wel_ownerdraw_constants: WEL_ODS_CONSTANTS -- Owner Drawing Constants -- Include constants: --   ODS_xxxx --   ... -- (from WEL_CONSTANTS) Wel_window_constants: WEL_WINDOW_CONSTANTS -- Window managment constants: -- Include constants: --   WM_xxxx --   ... -- (from WEL_CONSTANTS) White: WEL_COLOR_REF -- White color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void Yellow: WEL_COLOR_REF -- Yellow color -- (from WEL_STANDARD_COLORS) ensure -- from WEL_STANDARD_COLORS result_not_void: Result /= Void feature -- Comparison frozen deep_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void -- or attached to isomorphic object structures? -- (from ANY) ensure -- from ANY instance_free: class shallow_implies_deep: standard_equal (a, b) implies Result both_or_none_void: (a = Void) implies (Result = (b = Void)) same_type: (Result and (a /= Void)) implies (b /= Void and then a.same_type (b)) symmetric: Result implies deep_equal (b, a) frozen equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached -- to objects considered equal? -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b)) frozen is_deep_equal alias "≡≡≡" (other: EV_CHECKABLE_MENU_ITEM_IMP): BOOLEAN -- Are Current and other attached to isomorphic object structures? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY shallow_implies_deep: standard_is_equal (other) implies Result same_type: Result implies same_type (other) symmetric: Result implies other.is_deep_equal (Current) is_equal (other: EV_CHECKABLE_MENU_ITEM_IMP): 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 ~ Current consistent: standard_is_equal (other) implies Result frozen standard_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b 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 instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b)) frozen standard_is_equal alias "" (other: EV_CHECKABLE_MENU_ITEM_IMP): 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 is_selected: BOOLEAN -- Is this menu item checked? 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 -- Status setting disable_select -- Unselect this menu item. enable_select -- Select this menu item. feature -- Duplication copy (other: EV_CHECKABLE_MENU_ITEM_IMP) -- 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: Current ~ other frozen deep_copy (other: EV_CHECKABLE_MENU_ITEM_IMP) -- 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: EV_CHECKABLE_MENU_ITEM_IMP -- New object structure recursively duplicated from Current. -- (from ANY) ensure -- from ANY deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) frozen standard_copy (other: EV_CHECKABLE_MENU_ITEM_IMP) -- 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: EV_CHECKABLE_MENU_ITEM_IMP -- 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: EV_CHECKABLE_MENU_ITEM_IMP -- New object equal to Current -- `twin` calls `copy`; to change copying/twinning semantics, redefine `copy`. -- (from ANY) ensure -- from ANY twin_not_void: Result /= Void is_equal: Result ~ Current feature -- Basic operations frozen default: detachable EV_CHECKABLE_MENU_ITEM_IMP -- 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) ensure -- from ANY instance_free: class default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) -- (from ANY) frozen do_nothing -- Execute a null action. -- (from ANY) ensure -- from ANY instance_free: class feature -- Output Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY out_not_void: Result /= Void print (o: detachable ANY) -- Write terse external representation of o -- on standard output. -- (from ANY) ensure -- from ANY instance_free: class frozen tagged_out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY tagged_out_not_void: Result /= Void feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system -- (from ANY) ensure -- from ANY instance_free: class operating_environment_not_void: Result /= Void invariant -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) note copyright: "Copyright (c) 1984-2014, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., 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 EV_CHECKABLE_MENU_ITEM_IMP
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