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note description: "[ Objects that represent a tab associated with a notebook item. These objects may not be created directly but instead returned from a notebook via item_tab. If widget is subsequently removed from notebook, Current is automatically destroyed and is no longer usuable. ]" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2009-06-03 16:11:49 -0800 (Wed, 03 Jun 2009) $" revision: "$Revision: 79073 $" class interface EV_NOTEBOOK_TAB create {EV_NOTEBOOK_I} make_with_widgets (a_notebook: EV_NOTEBOOK; a_widget: EV_WIDGET) -- Create Current with notebook a_notebook and widget a_widget. -- Not exported as you may only query  a notebook tab from a notebook -- via item_tab. require notebook_not_void: a_notebook /= Void widget_not_void: a_widget /= Void notebook_has_widget: a_notebook.has (a_widget) ensure notebook_set: notebook = a_notebook widget_set: widget = a_widget feature -- Access data: detachable ANY -- Arbitrary user data may be stored here. -- (from EV_ANY) generating_type: TYPE [detachable EV_NOTEBOOK_TAB] -- 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 notebook: detachable EV_NOTEBOOK -- Notebook in which Current is displayed. require not_destroyed: not is_destroyed ensure result_not_void: Result /= Void pixmap: detachable EV_PIXMAP -- Copy of image displayed on Current. -- Void if none. -- (from EV_PIXMAPABLE) require -- from EV_PIXMAPABLE not_destroyed: not is_destroyed ensure -- from EV_PIXMAPABLE bridge_ok: (Result = Void and implementation.pixmap = Void) or (attached Result and then attached implementation.pixmap as l_pixmap and then Result.is_equal (l_pixmap)) text: STRING_32 -- Text displayed in textable. -- (from EV_TEXTABLE) require -- from EV_TEXTABLE not_destroyed: not is_destroyed ensure -- from EV_TEXTABLE bridge_ok: equal (Result, implementation.text) not_void: Result /= Void cloned: Result /= implementation.text no_carriage_returns: not Result.has ('%R'.to_character_32) widget: detachable EV_WIDGET -- Widget to which Current is associated. require not_destroyed: not is_destroyed ensure 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_NOTEBOOK_TAB): 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_NOTEBOOK_TAB): 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_NOTEBOOK_TAB): 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_destroyed: BOOLEAN -- Is Current no longer usable? ensure -- from EV_ANY bridge_ok: Result = implementation.is_destroyed is_selectable: BOOLEAN -- May enable_select be called? -- (from EV_SELECTABLE) require -- from EV_SELECTABLE not_destroyed: not is_destroyed is_selected: BOOLEAN -- Is selected? -- (from EV_SELECTABLE) require -- from EV_SELECTABLE not_destroyed: not is_destroyed ensure -- from EV_SELECTABLE bridge_ok: is_selectable implies Result = implementation.is_selected 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 enable_select -- Make is_selected True. -- (from EV_SELECTABLE) require -- from EV_SELECTABLE not_destroyed: not is_destroyed is_selectable: is_selectable ensure -- from EV_SELECTABLE is_selected: action_sequence_call_counter = old action_sequence_call_counter implies is_selected feature -- Element change remove_pixmap -- Remove image displayed on Current. -- (from EV_PIXMAPABLE) require -- from EV_PIXMAPABLE not_destroyed: not is_destroyed ensure -- from EV_PIXMAPABLE pixmap_removed: pixmap = Void remove_text -- Make text is_empty. -- (from EV_TEXTABLE) require -- from EV_TEXTABLE not_destroyed: not is_destroyed ensure -- from EV_TEXTABLE text_empty: text.is_empty set_data (some_data: like data) -- Assign some_data to data. -- (from EV_ANY) require -- from EV_ANY not_destroyed: not is_destroyed ensure -- from EV_ANY data_assigned: data = some_data set_pixmap (a_pixmap: EV_PIXMAP) -- Display image of a_pixmap on Current. -- Image of pixmap will be a copy of a_pixmap. -- Image may be scaled in some descendents, i.e EV_TREE_ITEM -- See EV_TREE.set_pixmaps_size. -- (from EV_PIXMAPABLE) require -- from EV_PIXMAPABLE not_destroyed: not is_destroyed pixmap_not_void: a_pixmap /= Void set_text (a_text: separate READABLE_STRING_GENERAL) -- Assign a_text to text. -- (from EV_TEXTABLE) require -- from EV_TEXTABLE not_destroyed: not is_destroyed a_text_not_void: a_text /= Void no_carriage_returns: not a_text.has_code (('%R').natural_32_code) ensure -- from EV_TEXTABLE text_cloned: text.same_string_general (create {STRING_32}.make_from_separate (a_text)) and then text /= a_text feature -- Duplication frozen deep_copy (other: EV_NOTEBOOK_TAB) -- 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_NOTEBOOK_TAB -- 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_NOTEBOOK_TAB) -- 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_NOTEBOOK_TAB -- 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_NOTEBOOK_TAB -- 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_NOTEBOOK_TAB -- 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 -- Command destroy -- Destroy underlying native toolkit object. -- Render Current unusable. -- (from EV_ANY) ensure -- from EV_ANY is_destroyed: is_destroyed 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 notebook_not_void: is_usable implies notebook /= Void widget_not_void: is_usable implies widget /= Void -- from EV_ANY is_initialized: is_initialized default_create_called: default_create_called is_coupled: default_create_called implies (implementation.interface = Current or (attached {EV_ENVIRONMENT} Current and then attached implementation.interface)) -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) 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 -- class EV_NOTEBOOK_TAB
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