DragEvent

touchgfx/events/DragEvent.hpp

A drag event. The only drag event currently supported is DRAGGED, which will be issued every time the input system detects a drag.

See: Event

Inherits from: Event

Public Types

enum	DragEventType { DRAGGED }
	Values that represent drag event types.

Public Functions

	DragEvent(const DragEvent & dragEvent)
	Copy constructor.
	DragEvent(DragEventType type, int16_t oldX, int16_t oldY, int16_t newX, int16_t newY)
	Initializes a new instance of the DragEvent class.
int16_t	getDeltaX() const
	Gets the distance in x coordinates (how long was the drag).
int16_t	getDeltaY() const
	Gets the distance in y coordinates (how long was the drag).
virtual Event::EventType	getEventType() const
	Gets event type.
int16_t	getNewX() const
	Gets the new x coordinate (dragged to).
int16_t	getNewY() const
	Gets the new x coordinate (dragged to).
int16_t	getOldX() const
	Gets the old x coordinate, i.e.
int16_t	getOldY() const
	Gets the old y coordinate, i.e.
DragEventType	getType() const
	Gets the type of this drag event.
const DragEvent &	operator=(const DragEvent & dragEvent)
	Assignment operator.

Additional inherited members

Public Types inherited from Event

enum	EventType { EVENT_CLICK, EVENT_DRAG, EVENT_GESTURE }
	The event types.

Public Functions inherited from Event

	Event()
	Default constructor.
virtual	~Event()
	Destructor.

Public Types Documentation

DragEventType

enum DragEventType

Values that represent drag event types.

DRAGGED	An enum constant representing the dragged option.

Public Functions Documentation

DragEvent

DragEvent	(	const DragEvent &	dragEvent	)

Copy constructor.

Parameters:

dragEvent	The drag event.

DragEvent

DragEvent	(	DragEventType	type ,
		int16_t	oldX ,
		int16_t	oldY ,
		int16_t	newX ,
		int16_t	newY
		)

Initializes a new instance of the DragEvent class.

Parameters:

type	The type of the drag event.
oldX	The x coordinate of the drag start position (dragged from)
oldY	The y coordinate of the drag start position (dragged from)
newX	The x coordinate of the new position (dragged to)
newY	The y coordinate of the new position (dragged to)

getDeltaX

int16_t getDeltaX	(			)	const

Gets the distance in x coordinates (how long was the drag).

Returns:

The distance of this drag event.

getDeltaY

int16_t getDeltaY	(			)	const

Gets the distance in y coordinates (how long was the drag).

Returns:

The distance of this drag event.

getEventType

virtual Event::EventType getEventType	(			)	const

Gets event type.

Returns:

The type of this event.

Reimplements: touchgfx::Event::getEventType

getNewX

int16_t getNewX	(			)	const

Gets the new x coordinate (dragged to).

Returns:

The new x coordinate (dragged to).

getNewY

int16_t getNewY	(			)	const

Gets the new x coordinate (dragged to).

Returns:

The new y coordinate (dragged to).

getOldX

int16_t getOldX	(			)	const

Gets the old x coordinate, i.e.

where the drag operation was started (dragged from).

Returns:

The old x coordinate, i.e. where the drag operation was started (dragged from).

getOldY

int16_t getOldY	(			)	const

Gets the old y coordinate, i.e.

where the drag operation was started (dragged from).

Returns:

The old y coordinate, i.e. where the drag operation was started (dragged from).

getType

DragEventType getType	(			)	const

Gets the type of this drag event.

Returns:

The type of this drag event.

operator=

const DragEvent & operator=	(	const DragEvent &	dragEvent	)

Assignment operator.

Parameters:

dragEvent	The drag event.

Returns:

A shallow copy of this object.