note description: "Manage Joystick events" author: "Louis Marchand" date: "Tue, 24 Feb 2015 00:34:06 +0000" revision: "2.0" deferred class interface GAME_JOYSTICK_EVENTS feature -- Access axis_motion_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_8, INTEGER_16] -- When an axis of Current has been moved at a certain value. require joy_axis_motion_event_enable: events_controller.is_joy_axis_motion_event_enable ball_motion_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_8, INTEGER_16, INTEGER_16] -- When a ball of Current has been moved to a certain relative value (x_relative,y_relative) require joy_ball_motion_event_enable: events_controller.is_joy_ball_motion_event_enable button_pressed_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_8] -- When a button (identified by button_id) of Current has been pressed. require joy_button_pressed_event_enable: events_controller.is_joy_button_pressed_event_enable button_released_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_8] -- When a button (identified by button_id) of Current has been released. require joy_button_pressed_event_enable: events_controller.is_joy_button_released_event_enable clear -- <Precuror> ensure -- from GAME_EVENTS running_unchanged: is_running = old is_running events_controller: GAME_EVENTS_CONTROLLER -- Manage every internal events -- (from GAME_EVENTS) generating_type: TYPE [detachable GAME_JOYSTICK_EVENTS] -- 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 has_error: BOOLEAN -- Is the library has generate an error -- (from GAME_ERROR_MANAGER) hat_motion_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_8, GAME_JOYSTICK_HAT_STATE] -- When a hat of Current has been moved at a certain value. require joy_hat_motion_event_enable: events_controller.is_joy_hat_motion_event_enable is_running: BOOLEAN assign set_is_running -- Is Current active -- (from GAME_EVENTS) last_error: READABLE_STRING_GENERAL -- The last error generate by the library -- (from GAME_SDL_ANY) removed_actions: ACTION_SEQUENCE [NATURAL_32] -- When Current is removed (probably disconected) require joy_button_pressed_event_enable: events_controller.is_joy_device_removed_event_enable run -- <Precuror> require -- from GAME_EVENTS run_not_already_running: not is_running ensure -- from GAME_EVENTS is_running: is_running set_is_running (a_value: BOOLEAN) -- Assign to is_running the value of a_value -- (from GAME_EVENTS) ensure -- from GAME_EVENTS is_assign: is_running ~ a_value stop -- <Precuror> require -- from GAME_EVENTS stop_is_running: is_running ensure -- from GAME_EVENTS is_stopped: not is_running 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: GAME_JOYSTICK_EVENTS): 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: GAME_JOYSTICK_EVENTS): 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: GAME_JOYSTICK_EVENTS): 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: GAME_JOYSTICK_EVENTS) -- 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: GAME_JOYSTICK_EVENTS) -- 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: GAME_JOYSTICK_EVENTS -- 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: GAME_JOYSTICK_EVENTS) -- 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: GAME_JOYSTICK_EVENTS -- 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: GAME_JOYSTICK_EVENTS -- 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 GAME_JOYSTICK_EVENTS -- 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) end -- class GAME_JOYSTICK_EVENTS
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