note
	description: "[
		Controler for the event. 
		It is important to call poll_event or wait_event regularly 
		if you want events to be launch.
	]"
	author: "Louis Marchand"
	date: "Sat, 28 Mar 2015 03:44:41 +0000"
	revision: "2.0"

class interface
	GAME_EVENTS_CONTROLLER

create {GAME_LIBRARY_CONTROLLER}
	default_create
			-- Initialization of Current

feature -- Initialization

	make
			-- Initialize current with given structure_size.
			-- (from MEMORY_STRUCTURE)
		ensure -- from MEMORY_STRUCTURE
			not_shared: not shared

	make_by_pointer (a_ptr: POINTER)
			-- Initialize current with a_ptr.
			-- (from MEMORY_STRUCTURE)
		require -- from MEMORY_STRUCTURE
			a_ptr_not_null: a_ptr /= default_pointer
		ensure -- from MEMORY_STRUCTURE
			shared: shared
	
feature -- Access

	C_memory: INTEGER_32 = 2
			-- Code for the C memory managed
			-- by the garbage collector
			-- (from MEM_CONST)

	clear
			-- Remove every event in the system

	disable_dollar_gesture_event
			-- Ignore the dollar_gesture_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_dollar_gesture_event_enable

	disable_dollar_record_event
			-- Ignore the dollar_record_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_dollar_record_event_enable

	disable_every_joy_events
			-- Ignore every joystick events.
			-- Enabled by default
		ensure
			is_events_disabled: not (is_joy_axis_motion_event_enable or is_joy_ball_motion_event_enable or is_joy_hat_motion_event_enable or is_joy_button_pressed_event_enable or is_joy_button_released_event_enable or is_joy_device_founded_event_enable or is_joy_device_removed_event_enable)

	disable_file_dropped_event
			-- Ignore the file_dropped_actions event.
			-- Disable by default
		ensure
			is_event_disabled: not is_file_dropped_event_enable

	disable_finger_motion_event
			-- Ignore the finger_motion_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_finger_motion_event_enable

	disable_finger_released_event
			-- Ignore the finger_released_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_finger_released_event_enable

	disable_finger_touched_event
			-- Ignore the finger_touched_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_finger_touched_event_enable

	disable_fingers_gesture_event
			-- Ignore the fingers_gesture_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_fingers_gesture_event_enable

	disable_joy_axis_motion_event
			-- Ignore the joy_axis_motion_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_joy_axis_motion_event_enable

	disable_joy_ball_motion_event
			-- Ignore the joy_ball_motion_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_joy_ball_motion_event_enable

	disable_joy_button_pressed_event
			-- Ignore the joy_button_pressed_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_joy_button_pressed_event_enable

	disable_joy_button_released_event
			-- Ignore the joy_button_released_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_joy_button_released_event_enable

	disable_joy_device_founded_event
			-- Ignore the joy_device_founded_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_joy_device_founded_event_enable

	disable_joy_device_removed_event
			-- Ignore the joy_device_removed_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_joy_device_removed_event_enable

	disable_joy_hat_motion_event
			-- Ignore the joy_hat_motion_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_joy_hat_motion_event_enable

	disable_key_pressed_event
			-- Ignore the key_pressed_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_key_pressed_event_enable

	disable_key_released_event
			-- Ignore the key_released_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_key_released_event_enable

	disable_mouse_button_pressed_event
			-- Ignore the mouse_button_pressed_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_mouse_button_pressed_event_enable

	disable_mouse_button_released_event
			-- Ignore the mouse_button_released_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_mouse_button_released_event_enable

	disable_mouse_motion_event
			-- Ignore the mouse_motion_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_mouse_motion_event_enable

	disable_mouse_wheel_event
			-- Ignore the mouse_wheel_move_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_mouse_wheel_event_enable

	disable_quit_signal_event
			-- Ignore the quit_signal_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_quit_signal_event_enable

	disable_window_event
			-- Ignore the window_event_actions event.
			-- Enabled by default
		ensure
			is_event_disabled: not is_window_event_enable

	dollar_gesture_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_64, INTEGER_64, NATURAL_32, REAL_32, REAL_32, REAL_32]
			-- When a $1 gesture has been recognize on the touch device touch_id.
			-- The gesture is uniquely identified by gesture_id. I use fingers_count fingers
			-- and is centered at (x,y) where x and y are normalized (between 0 and 1).
			-- The error indicate the difference between the current gesture and the template.

	dollar_record_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_64, INTEGER_64]
			-- When a $1 gesture has been recorded on the touch device touch_id.
			-- The gesture is uniquely identified by gesture_id.

	Eiffel_memory: INTEGER_32 = 1
			-- Code for the Eiffel memory managed
			-- by the garbage collector
			-- (from MEM_CONST)

	enable_dollar_gesture_event
			-- Process the dollar_gesture_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_dollar_gesture_event_enable

	enable_dollar_record_event
			-- Process the dollar_record_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_dollar_record_event_enable

	enable_every_joy_events
			-- Enable every joystick events.
			-- Enabled by default
		ensure
			is_events_enabled: is_joy_axis_motion_event_enable and is_joy_ball_motion_event_enable and is_joy_hat_motion_event_enable and is_joy_button_pressed_event_enable and is_joy_button_released_event_enable and is_joy_device_founded_event_enable and is_joy_device_removed_event_enable

	enable_file_dropped_event
			-- Process the file_dropped_actions event.
			-- Disable by default
		ensure
			is_event_enabled: is_file_dropped_event_enable

	enable_finger_motion_event
			-- Process the finger_motion_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_finger_motion_event_enable

	enable_finger_released_event
			-- Process the finger_released_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_finger_released_event_enable

	enable_finger_touched_event
			-- Process the finger_touched_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_finger_touched_event_enable

	enable_fingers_gesture_event
			-- Process the fingers_gesture_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_fingers_gesture_event_enable

	enable_joy_axis_motion_event
			-- Process the joy_axis_motion_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_joy_axis_motion_event_enable

	enable_joy_ball_motion_event
			-- Process the joy_ball_motion_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_joy_ball_motion_event_enable

	enable_joy_button_pressed_event
			-- Process the joy_button_pressed_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_joy_button_pressed_event_enable

	enable_joy_button_released_event
			-- Process the joy_button_released_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_joy_button_released_event_enable

	enable_joy_device_founded_event
			-- Process the joy_device_founded_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_joy_device_founded_event_enable

	enable_joy_device_removed_event
			-- Process the joy_device_removed_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_joy_device_removed_event_enable

	enable_joy_hat_motion_event
			-- Process the joy_hat_motion_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_joy_hat_motion_event_enable

	enable_key_pressed_event
			-- Process the key_pressed_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_key_pressed_event_enable

	enable_key_released_event
			-- Process the key_released_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_key_released_event_enable

	enable_mouse_button_pressed_event
			-- Process the mouse_button_pressed_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_mouse_button_pressed_event_enable

	enable_mouse_button_released_event
			-- Process the mouse_button_released_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_mouse_button_released_event_enable

	enable_mouse_motion_event
			-- Process the mouse_motion_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_mouse_motion_event_enable

	enable_mouse_wheel_event
			-- Process the mouse_wheel_move_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_mouse_wheel_event_enable

	enable_quit_signal_event
			-- Process the quit_signal_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_quit_signal_event_enable

	enable_window_event
			-- Process the window_event_actions event.
			-- Enabled by default
		ensure
			is_event_enabled: is_window_event_enable

	file_dropped_actions: ACTION_SEQUENCE [NATURAL_32, READABLE_STRING_GENERAL]
			-- The file pointed by filename has been dropped on a window of the game.
			-- This event is disabled by default. use GAME_EVENTS_CONTROLLER.enable_file_dropped_event
			-- to activate it.

	finger_motion_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_64, INTEGER_64, REAL_32, REAL_32, REAL_32, REAL_32, REAL_32]
			-- When a finger identified by finger_id in the touch device identified by
			-- touch_id has been moved to (x,y) with a certain pressure. The
			-- x_relative and y_relative indicate the move relative to the last
			-- call of the finger_motion_actions event.
			-- Note that x, y, x_relative, y_relative and pressure are normalize
			-- between 0 and 1.

	finger_released_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_64, INTEGER_64, REAL_32, REAL_32, REAL_32, REAL_32, REAL_32]
			-- When a finger identified by finger_id in the touch device identified by
			-- touch_id has been released at (x,y) with a certain pressure. The
			-- x_relative and y_relative indicate the move relative to the last
			-- call of the finger_motion_actions event.
			-- Note that x, y, x_relative, y_relative and pressure are normalize
			-- between 0 and 1.

	finger_touched_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_64, INTEGER_64, REAL_32, REAL_32, REAL_32, REAL_32, REAL_32]
			-- When a finger identified by finger_id in the touch device identified by
			-- touch_id has been pressed at (x,y) with a certain pressure. The
			-- x_relative and y_relative indicate the move relative to the last
			-- call of the finger_motion_actions event.
			-- Note that x, y, x_relative, y_relative and pressure are normalize
			-- between 0 and 1.

	fingers_gesture_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_64, NATURAL_16, REAL_32, REAL_32, REAL_32, REAL_32]
			-- When a gesture has been made on the touch device identified by touch_id.
			-- The gesture has a certain fingers_count, is centered at (center_x, center_y).
			-- The fingers used a rotation of theta degree and have a distance of pinch.

	Full_collector: INTEGER_32 = 0
			-- Statistics for full collections
			-- (from MEM_CONST)

	game_library: detachable GAME_LIBRARY_CONTROLLER
			-- The library controller used by Current

	generating_type: TYPE [detachable GAME_EVENTS_CONTROLLER]
			-- 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)

	Incremental_collector: INTEGER_32 = 1
			-- Statistics for incremental collections
			-- (from MEM_CONST)

	is_any_joy_event_enable: BOOLEAN assign set_is_any_joy_event_enable
			-- Is there any joystick event that is enable
			-- Enabled by default

	is_dollar_gesture_event_enable: BOOLEAN assign set_is_dollar_gesture_event_enable
			-- Is the dollar_gesture_actions event has to be process.
			-- Enabled by default

	is_dollar_record_event_enable: BOOLEAN assign set_is_dollar_record_event_enable
			-- Is the dollar_record_actions event has to be process.
			-- Enabled by default

	is_file_dropped_event_enable: BOOLEAN assign set_is_file_dropped_event_enable
			-- Is the file_dropped_actions event has to be process.
			-- Disable by default

	is_finger_motion_event_enable: BOOLEAN assign set_is_finger_motion_event_enable
			-- Is the finger_motion_actions event has to be process.
			-- Enabled by default

	is_finger_released_event_enable: BOOLEAN assign set_is_finger_released_event_enable
			-- Is the finger_released_actions event has to be process.
			-- Enabled by default

	is_finger_touched_event_enable: BOOLEAN assign set_is_finger_touched_event_enable
			-- Is the finger_touched_actions event has to be process.
			-- Enabled by default

	is_fingers_gesture_event_enable: BOOLEAN assign set_is_fingers_gesture_event_enable
			-- Is the fingers_gesture_actions event has to be process.
			-- Enabled by default

	is_joy_axis_motion_event_enable: BOOLEAN assign set_is_joy_axis_motion_event_enable
			-- Is the joy_axis_motion_actions event has to be process.
			-- Enabled by default

	is_joy_ball_motion_event_enable: BOOLEAN assign set_is_joy_ball_motion_event_enable
			-- Is the joy_ball_motion_actions event has to be process.
			-- Enabled by default

	is_joy_button_pressed_event_enable: BOOLEAN assign set_is_joy_button_pressed_event_enable
			-- Is the joy_button_pressed_actions event has to be process.
			-- Enabled by default

	is_joy_button_released_event_enable: BOOLEAN assign set_is_joy_button_released_event_enable
			-- Is the joy_button_released_actions event has to be process.
			-- Enabled by default

	is_joy_device_founded_event_enable: BOOLEAN assign set_is_joy_device_founded_event_enable
			-- Is the joy_device_founded_actions event has to be process.
			-- Enabled by default

	is_joy_device_removed_event_enable: BOOLEAN assign set_is_joy_device_removed_event_enable
			-- Is the joy_device_removed_actions event has to be process.
			-- Enabled by default

	is_joy_hat_motion_event_enable: BOOLEAN assign set_is_joy_hat_motion_event_enable
			-- Is the joy_hat_motion_actions event has to be process.
			-- Enabled by default

	is_key_pressed_event_enable: BOOLEAN assign set_is_key_pressed_event_enable
			-- Is the key_pressed_actions event has to be process.
			-- Enabled by default

	is_key_released_event_enable: BOOLEAN assign set_is_key_released_event_enable
			-- Is the key_released_actions event has to be process.
			-- Enabled by default

	is_mouse_button_pressed_event_enable: BOOLEAN assign set_is_mouse_button_pressed_event_enable
			-- Is the mouse_button_pressed_actions event has to be process.
			-- Enabled by default

	is_mouse_button_released_event_enable: BOOLEAN assign set_is_mouse_button_released_event_enable
			-- Is the mouse_button_released_actions event has to be process.
			-- Enabled by default

	is_mouse_motion_event_enable: BOOLEAN assign set_is_mouse_motion_event_enable
			-- Is the mouse_motion_actions event has to be process.
			-- Enabled by default

	is_mouse_wheel_event_enable: BOOLEAN assign set_is_mouse_wheel_event_enable
			-- Is the mouse_wheel_move_actions event has to be process.
			-- Enabled by default

	is_quit_signal_event_enable: BOOLEAN assign set_is_quit_signal_event_enable
			-- Is the quit_signal_actions event has to be process.
			-- Enabled by default

	is_text_editing_event_enable: BOOLEAN
			-- Is the text_editing_actions event has to be process.
			-- Enabled by default

	is_text_input_event_enable: BOOLEAN
			-- Is the text_input_actions event has to be process.
			-- Enabled by default

	is_window_event_enable: BOOLEAN assign set_is_window_event_enable
			-- Is the window_event_actions event has to be process.
			-- Enabled by default

	item: POINTER
			-- Access to memory area.
			-- (from MEMORY_STRUCTURE)

	iteration_actions: ACTION_SEQUENCE [NATURAL_32]
			-- Called at each game loop

	joy_axis_motion_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_32, NATURAL_8, INTEGER_16]
			-- When the axis identified by axis_id of the joystick identified by joystick_id has
			-- been moved to a certain value.

	joy_ball_motion_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_32, NATURAL_8, INTEGER_16, INTEGER_16]
			-- When the ball identified by ball_id of the joystick identified by joystick_id has
			-- been moved. The x_relative and y_relative indicate the move relative to the last
			-- call of the joy_ball_motion_actions event.

	joy_button_pressed_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_32, NATURAL_8]
			-- When the button identified by button_id of the joystick identified by joystick_id has
			-- been pressed.

	joy_button_released_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_32, NATURAL_8]
			-- When the button identified by button_id of the joystick identified by joystick_id has
			-- been released.

	joy_device_founded_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_32]
			-- When a new joystick device identified by joystick_id has been founded.

	joy_device_removed_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_32]
			-- When a new joystick device identified by joystick_id has been removed.

	joy_hat_motion_actions: ACTION_SEQUENCE [NATURAL_32, INTEGER_32, NATURAL_8, NATURAL_8]
			-- When the hat identified by hat_id of the joystick identified by joystick_id has
			-- been moved to a certain value. The value can be one of the following:
			-- SDL_HAT_LEFTUP
			-- SDL_HAT_UP
			-- SDL_HAT_RIGHTUP
			-- SDL_HAT_LEFT
			-- SDL_HAT_CENTERED
			-- SDL_HAT_RIGHT
			-- SDL_HAT_LEFTDOWN
			-- SDL_HAT_DOWN
			-- SDL_HAT_RIGHTDOWN

	key_pressed_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_32, NATURAL_8, INTEGER_32, INTEGER_32, NATURAL_16]
			-- When a user presses a button on a keyboard. The current focused window
			-- is identified by window_id. repeat is non zero if the event is a key repeat.
			-- The key pressed has the physical code scancode, the virtual code keycode and
			-- has the current modifier (CTRL, SHIFT, ALT, etc.) in effect.

	key_released_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_32, NATURAL_8, INTEGER_32, INTEGER_32, NATURAL_16]
			-- When a user releases a button on a keyboard. The current focused window
			-- is identified by window_id. repeat is non zero if the event is a key repeat.
			-- The key released has the physical code scancode, the virtual code keycode and
			-- has the current modifier (CTRL, SHIFT, ALT, etc.) in effect.

	last_error: READABLE_STRING_GENERAL
			-- The last error generate by the library
			-- (from GAME_SDL_ANY)

	mouse_button_pressed_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_32, NATURAL_32, NATURAL_8, NATURAL_8, INTEGER_32, INTEGER_32]
			-- When a button of the mouse identified by mouse_id at coordinate (x,y) in the window
			-- identified by window_id has been pressed. The clicks show how much successive clicks
			-- has been made (1 for simple click, 2 for double click, etc.). The button say what
			-- mouse button has been pressed. The value can be:
			-- SDL_BUTTON_LEFT: Left button
			-- SDL_BUTTON_MIDDLE: Middle button
			-- SDL_BUTTON_RIGHT: Right button
			-- SDL_BUTTON_X1: First optionnal button
			-- SDL_BUTTON_X2: Second optionnal button
			-- Note: mouse_id may be SDL_TOUCH_MOUSEID

	mouse_button_released_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_32, NATURAL_32, NATURAL_8, NATURAL_8, INTEGER_32, INTEGER_32]
			-- When a button of the mouse identified by mouse_id at coordinate (x,y) in the window
			-- identified by window_id has been released. The clicks show how much successive clicks
			-- has been made (1 for simple click, 2 for double click, etc.). The button say what
			-- mouse button has been released. The value can be:
			-- SDL_BUTTON_LEFT: Left button
			-- SDL_BUTTON_MIDDLE: Middle button
			-- SDL_BUTTON_RIGHT: Right button
			-- SDL_BUTTON_X1: First optionnal button
			-- SDL_BUTTON_X2: Second optionnal button
			-- Note: mouse_id may be SDL_TOUCH_MOUSEID

	mouse_motion_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_32, NATURAL_32, NATURAL_32, INTEGER_32, INTEGER_32, INTEGER_32, INTEGER_32]
			-- When the mouse identified by mouse_id has been moved to the coordinate (x,y)
			-- in the window identified by window_id. The mouse has been move of x_relative
			-- position on the x axis and y_relative position on the y axis since the last call
			-- of the mouse_motion_actions event. The state of the mouse indicate which buttons is
			-- currently pressed. It is check with the following mask:
			-- SDL_BUTTON_LMASK: Left button
			-- SDL_BUTTON_MMASK: Middle button
			-- SDL_BUTTON_RMASK: Right button
			-- SDL_BUTTON_X1MASK: First optionnal button
			-- SDL_BUTTON_X2MASK: Second optionnal button
			-- Note: mouse_id may be SDL_TOUCH_MOUSEID

	mouse_wheel_move_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_32, NATURAL_32, INTEGER_32, INTEGER_32]
			-- When the wheel of the mouse identified by mouse_id in the window identified by
			-- window_id has been moved. A positive x indicate a move to the right and a negative
			-- x indicate a move to the left. A positive y indicate a move up and a
			-- negative x indicate a move down.

	poll_event
			-- Execute an event validation. If no event is pending, do nothing.
		require
				attached game_library as la_game_library and then la_game_library.is_events_enable

	quit_signal_actions: ACTION_SEQUENCE [NATURAL_32]
			-- When the application receive a quit signal.

	set_is_any_joy_event_enable (a_value: BOOLEAN)
			-- Assign to is_any_joy_event_enable the value of a_value
		ensure
			is_assign: is_any_joy_event_enable ~ a_value

	set_is_dollar_gesture_event_enable (a_value: BOOLEAN)
			-- Assign to is_dollar_gesture_event_enable the value of a_value
		ensure
			is_assign: is_dollar_gesture_event_enable ~ a_value

	set_is_dollar_record_event_enable (a_value: BOOLEAN)
			-- Assign to is_dollar_record_event_enable the value of a_value
		ensure
			is_assign: is_dollar_record_event_enable ~ a_value

	set_is_file_dropped_event_enable (a_value: BOOLEAN)
			-- Assign to is_file_dropped_event_enable the value of a_value
		ensure
			is_assign: is_file_dropped_event_enable ~ a_value

	set_is_finger_motion_event_enable (a_value: BOOLEAN)
			-- Assign to is_finger_motion_event_enable the value of a_value
		ensure
			is_assign: is_finger_motion_event_enable ~ a_value

	set_is_finger_released_event_enable (a_value: BOOLEAN)
			-- Assign to is_finger_released_event_enable the value of a_value
		ensure
			is_assign: is_finger_released_event_enable ~ a_value

	set_is_finger_touched_event_enable (a_value: BOOLEAN)
			-- Assign to is_finger_touched_event_enable the value of a_value
		ensure
			is_assign: is_finger_touched_event_enable ~ a_value

	set_is_fingers_gesture_event_enable (a_value: BOOLEAN)
			-- Assign to is_fingers_gesture_event_enable the value of a_value
		ensure
			is_assign: is_fingers_gesture_event_enable ~ a_value

	set_is_joy_axis_motion_event_enable (a_value: BOOLEAN)
			-- Assign to is_joy_axis_motion_event_enable the value of a_value
		ensure
			is_assign: is_joy_axis_motion_event_enable ~ a_value

	set_is_joy_ball_motion_event_enable (a_value: BOOLEAN)
			-- Assign to is_joy_ball_motion_event_enable the value of a_value
		ensure
			is_assign: is_joy_ball_motion_event_enable ~ a_value

	set_is_joy_button_pressed_event_enable (a_value: BOOLEAN)
			-- Assign to is_joy_button_pressed_event_enable the value of a_value
		ensure
			is_assign: is_joy_button_pressed_event_enable ~ a_value

	set_is_joy_button_released_event_enable (a_value: BOOLEAN)
			-- Assign to is_joy_button_released_event_enable the value of a_value
		ensure
			is_assign: is_joy_button_released_event_enable ~ a_value

	set_is_joy_device_founded_event_enable (a_value: BOOLEAN)
			-- Assign to is_joy_device_founded_event_enable the value of a_value
		ensure
			is_assign: is_joy_device_founded_event_enable ~ a_value

	set_is_joy_device_removed_event_enable (a_value: BOOLEAN)
			-- Assign to is_joy_device_removed_event_enable the value of a_value
		ensure
			is_assign: is_joy_device_removed_event_enable ~ a_value

	set_is_joy_hat_motion_event_enable (a_value: BOOLEAN)
			-- Assign to is_joy_hat_motion_event_enable the value of a_value
		ensure
			is_assign: is_joy_hat_motion_event_enable ~ a_value

	set_is_key_pressed_event_enable (a_value: BOOLEAN)
			-- Assign to is_key_pressed_event_enable the value of a_value
		ensure
			is_assign: is_key_pressed_event_enable ~ a_value

	set_is_key_released_event_enable (a_value: BOOLEAN)
			-- Assign to is_key_released_event_enable the value of a_value
		ensure
			is_assign: is_key_released_event_enable ~ a_value

	set_is_mouse_button_pressed_event_enable (a_value: BOOLEAN)
			-- Assign to is_mouse_button_pressed_event_enable the value of a_value
		ensure
			is_assign: is_mouse_button_pressed_event_enable ~ a_value

	set_is_mouse_button_released_event_enable (a_value: BOOLEAN)
			-- Assign to is_mouse_button_released_event_enable the value of a_value
		ensure
			is_assign: is_mouse_button_released_event_enable ~ a_value

	set_is_mouse_motion_event_enable (a_value: BOOLEAN)
			-- Assign to is_text_input_event_enable the value of a_value
		ensure
			is_assign: is_mouse_motion_event_enable ~ a_value

	set_is_mouse_wheel_event_enable (a_value: BOOLEAN)
			-- Assign to is_mouse_wheel_event_enable the value of a_value
		ensure
			is_assign: is_mouse_wheel_event_enable ~ a_value

	set_is_quit_signal_event_enable (a_value: BOOLEAN)
			-- Assign to is_quit_signal_event_enable the value of a_value
		ensure
			is_assign: is_quit_signal_event_enable ~ a_value

	set_is_window_event_enable (a_value: BOOLEAN)
			-- Assign to is_window_event_enable the value of a_value
		ensure
			is_assign: is_window_event_enable ~ a_value

	shared: BOOLEAN
			-- Is current memory area shared with others?
			-- (from MEMORY_STRUCTURE)

	text_editing_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_32, STRING_32, INTEGER_32, INTEGER_32]
			-- When a text has been edited in the window identified by window_id.
			-- The text must be edited from the start character for lenght characters.

	text_input_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_32, STRING_32]
			-- When a text has been input in the window identified by window_id.

	Total_memory: INTEGER_32 = 0
			-- Code for all the memory managed
			-- by the garbage collector
			-- (from MEM_CONST)

	window_event_actions: ACTION_SEQUENCE [NATURAL_32, NATURAL_32, NATURAL_8, INTEGER_32, INTEGER_32]
			-- When the window identified by window_id is changing state. event_type may take the following value:
			-- SDL_WINDOWEVENT_SHOWN: The window has been shown
			-- SDL_WINDOWEVENT_HIDDEN: The window has been hidden
			-- SDL_WINDOWEVENT_EXPOSED: The window has been exposed and should be redraw
			-- SDL_WINDOWEVENT_MOVED: window has been moved to coordinate (data1,data2)
			-- SDL_WINDOWEVENT_RESIZED: window has been resized to dimension data1xdata2
			--                          this event is always preceded by SDL_WINDOWEVENT_SIZE_CHANGED
			-- SDL_WINDOWEVENT_SIZE_CHANGED: window size has changed
			-- SDL_WINDOWEVENT_MINIMIZED: window has been minimized
			-- SDL_WINDOWEVENT_MAXIMIZED: window has been maximized
			-- SDL_WINDOWEVENT_RESTORED: window has been restored to normal size and position
			-- SDL_WINDOWEVENT_ENTER: window has gained mouse focus
			-- SDL_WINDOWEVENT_LEAVE: window has lost mouse focus
			-- SDL_WINDOWEVENT_FOCUS_GAINED: window has gained keyboard focus
			-- SDL_WINDOWEVENT_FOCUS_LOST: window has lost keyboard focus
			-- SDL_WINDOWEVENT_CLOSE: the window manager requests that the window be closed
	
feature -- Measurement

	gc_statistics (collector_type: INTEGER_32): GC_INFO
			-- Garbage collection information for collector_type.
			-- (from MEMORY)
		require -- from MEMORY
			type_ok: collector_type = Full_collector or collector_type = Incremental_collector
		ensure -- from MEMORY
			instance_free: class

	memory_statistics (memory_type: INTEGER_32): MEM_INFO
			-- Memory usage information for memory_type
			-- (from MEMORY)
		require -- from MEMORY
			type_ok: memory_type = Total_memory or memory_type = Eiffel_memory or memory_type = C_memory
		ensure -- from MEMORY
			instance_free: class
	
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_EVENTS_CONTROLLER): 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_EVENTS_CONTROLLER): 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_EVENTS_CONTROLLER): 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

	chunk_size: INTEGER_32
			-- Minimal size of a memory chunk. The run-time always
			-- allocates a multiple of this size.
			-- If the environment variable EIF_MEMORY_CHUNK
			-- is defined, it is set to the closest reasonable
			-- value from it.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	coalesce_period: INTEGER_32
			-- Period of full coalesce (in number of collections)
			-- If the environment variable EIF_FULL_COALESCE_PERIOD
			-- is defined, it is set to the closest reasonable
			-- value from it.
			-- If null, no full coalescing is launched.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	collecting: BOOLEAN
			-- Is garbage collection enabled?
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	collection_period: INTEGER_32
			-- Period of full collection.
			-- If the environment variable EIF_FULL_COLLECTION_PERIOD
			-- is defined, it is set to the closest reasonable
			-- value from it.
			-- If null, no full collection is launched.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	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

	exists: BOOLEAN
			-- Is allocated memory still allocated?
			-- (from MEMORY_STRUCTURE)

	generation_object_limit: INTEGER_32
			-- Maximum size of object in generational scavenge zone.
			-- If the environment variable EIF_GS_LIMIT
			-- is defined, it is set to the closest reasonable
			-- value from it.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	largest_coalesced_block: INTEGER_32
			-- Size of largest coalesced block since last call to
			-- largest_coalesced; 0 if none.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	max_mem: INTEGER_32
			-- Maximum amount of bytes the run-time can allocate.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	memory_count_map: HASH_TABLE [INTEGER_32, INTEGER_32]
			-- Number of instances per dynamic type present in system.
			-- Same as memory_map except that no references on the objects themselves
			-- is kept.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	memory_map: HASH_TABLE [ARRAYED_LIST [ANY], INTEGER_32]
			-- Retrieves all object in system as a table indexed by dynamic type
			-- where elements are all instances of a given data type.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	memory_threshold: INTEGER_32
			-- Minimum amount of bytes to be allocated before
			-- starting an automatic garbage collection.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	objects_instance_of (an_object: ANY): SPECIAL [ANY]
			-- Objects that have same dynamic type as an_object.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	objects_instance_of_type (a_type_id: INTEGER_32): SPECIAL [ANY]
			-- Objects that have same dynamic type as an_object.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	referers (an_object: ANY): SPECIAL [ANY]
			-- Objects that refer to an_object.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	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))

	scavenge_zone_size: INTEGER_32
			-- Size of generational scavenge zone.
			-- If the environment variable EIF_MEMORY_SCAVENGE
			-- is defined, it is set to the closest reasonable
			-- value from it.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	tenure: INTEGER_32
			-- Maximum age of object before being considered
			-- as old (old objects are not scanned during
			-- partial collection).
			-- If the environment variable EIF_TENURE_MAX
			-- is defined, it is set to the closest reasonable
			-- value from it.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class
	
feature -- Status setting

	allocate_compact
			-- Enter memory mode: will try to compact memory
			-- before requesting more from the operating system.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	allocate_fast
			-- Enter speed mode: will optimize speed of memory
			-- allocation rather than memory usage.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	allocate_tiny
			-- Enter tiny mode: will enter memory mode
			-- after having freed as much memory as possible.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	collection_off
			-- Disable garbage collection.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	collection_on
			-- Enable garbage collection.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	disable_time_accounting
			-- Disable GC time accounting (default).
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	enable_time_accounting
			-- Enable GC time accouting, accessible in gc_statistics.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	execute_without_collection (a_action: PROCEDURE)
			-- Execute a_action with the garbage collector disabled.
			-- If a_action modifies the status of collecting, we restore
			-- it no matter what at the end.
			-- (from MEMORY)
		require -- from MEMORY
			a_action_not_void: a_action /= Void
		ensure -- from MEMORY
			instance_free: class
			collection_status_preserved: collecting = old collecting

	set_coalesce_period (value: INTEGER_32)
			-- Set coalesce_period. Every value collection,
			-- the Garbage Collector will coalesce
			-- the whole memory.
			-- (from MEMORY)
		require -- from MEMORY
			positive_value: value >= 0
		ensure -- from MEMORY
			instance_free: class

	set_collection_period (value: INTEGER_32)
			-- Set collection_period. Every value collection,
			-- the Garbage collector will perform a collection
			-- on the whole memory (full collection), otherwise
			-- a simple partial collection is done.
			-- (from MEMORY)
		require -- from MEMORY
			positive_value: value >= 0
		ensure -- from MEMORY
			instance_free: class

	set_max_mem (value: INTEGER_32)
			-- Set the maximum amount of memory the run-time can allocate.
			-- (from MEMORY)
		require -- from MEMORY
			positive_value: value > 0
		ensure -- from MEMORY
			instance_free: class

	set_memory_threshold (value: INTEGER_32)
			-- Set a new memory_threshold in bytes. Whenever the memory
			-- allocated for Eiffel reaches this value, an automatic
			-- collection is performed.
			-- (from MEMORY)
		require -- from MEMORY
			positive_value: value > 0
		ensure -- from MEMORY
			instance_free: class
	
feature -- Removal

	collect
			-- Force a partial collection cycle if garbage
			-- collection is enabled; do nothing otherwise.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	dispose
			-- Action to be executed just before garbage collection
			-- reclaims an object.
			-- Default version does nothing; redefine in descendants
			-- to perform specific dispose actions. Those actions
			-- should only take care of freeing external resources;
			-- they should not perform remote calls on other objects
			-- since these may also be dead and reclaimed.
			-- (from MEMORY)

	free (object: ANY)
			-- Free object, by-passing garbage collection.
			-- Erratic behavior will result if the object is still
			-- referenced.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	full_coalesce
			-- Coalesce the whole memory: merge adjacent free
			-- blocks to reduce fragmentation. Useful, when
			-- a lot of memory is allocated with garbage collector off.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class

	full_collect
			-- Force a full collection cycle if garbage
			-- collection is enabled; do nothing otherwise.
			-- (from MEMORY)
		ensure -- from MEMORY
			instance_free: class
	
feature -- Duplication

	copy (other: GAME_EVENTS_CONTROLLER)
			-- 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_EVENTS_CONTROLLER)
			-- 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_EVENTS_CONTROLLER
			-- 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_EVENTS_CONTROLLER)
			-- 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_EVENTS_CONTROLLER
			-- 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_EVENTS_CONTROLLER
			-- 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_EVENTS_CONTROLLER
			-- 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 -- Implementation

	structure_size: INTEGER_32
			-- <Preucrsor>
		ensure -- from MEMORY_STRUCTURE
			is_class: class
			positive_result: Result > 0
	
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)

		-- from MEMORY_STRUCTURE
	managed_pointer_valid: not shared implies managed_pointer /= Void
	internal_item_valid: shared implies internal_item /= default_pointer

end -- class GAME_EVENTS_CONTROLLER

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