Interface

WPEPlatformGestureController

Description [src]

interface WPEPlatform.GestureController : GObject.Object

A gesture controller.

This interface enables implementing custom gesture detection algorithms. Objects of classes implementing this interface can be supplied to WPEView so that they are used instead of the default gesture detector.

Prerequisite

In order to implement GestureController, your type must inherit fromGObject.

Instance methods

wpe_gesture_controller_cancel

Cancels ongoing gesture detection if any.

wpe_gesture_controller_get_gesture

Get currently detected gesture.

wpe_gesture_controller_get_gesture_delta

Get the delta of currently detected gesture such as “drag” gesture. If it doesn’t have a delta, FALSE is returned.

wpe_gesture_controller_get_gesture_position

Get the position of currently detected gesture. If it doesn’t have a position, FALSE is returned.

wpe_gesture_controller_handle_event

Process event with controller to detect gestures. The detected gesture, if any, can then be retrieved with wpe_gesture_controller_get_gesture().

wpe_gesture_controller_is_drag_begin

Check if the current drag gesture is a beginning of the sequence being detected.

Interface structure

struct WPEPlatformGestureControllerInterface {
  GTypeInterface parent_interface;
  gboolean (* handle_event) (
    WPEGestureController* controller,
    WPEEvent* event
  );
  void (* cancel) (
    WPEGestureController* controller
  );
  WPEGesture (* get_gesture) (
    WPEGestureController* controller
  );
  gboolean (* get_gesture_position) (
    WPEGestureController* controller,
    double* x,
    double* y
  );
  gboolean (* get_gesture_delta) (
    WPEGestureController* controller,
    double* x,
    double* y
  );
  gboolean (* is_drag_begin) (
    WPEGestureController* controller
  );
  
}

No description available.

Interface members

`parent_interface`	`GTypeInterface`
	No description available.
`handle_event`	`gboolean (* handle_event) ( WPEGestureController* controller, WPEEvent* event )`
	No description available.
`cancel`	`void (* cancel) ( WPEGestureController* controller )`
	No description available.
`get_gesture`	`WPEGesture (* get_gesture) ( WPEGestureController* controller )`
	No description available.
`get_gesture_position`	`gboolean (* get_gesture_position) ( WPEGestureController* controller, double* x, double* y )`
	No description available.
`get_gesture_delta`	`gboolean (* get_gesture_delta) ( WPEGestureController* controller, double* x, double* y )`
	No description available.
`is_drag_begin`	`gboolean (* is_drag_begin) ( WPEGestureController* controller )`
	No description available.

Virtual methods

WPEPlatform.GestureController.cancel

Cancels ongoing gesture detection if any.

WPEPlatform.GestureController.get_gesture

Get currently detected gesture.

WPEPlatform.GestureController.get_gesture_delta

Get the delta of currently detected gesture such as “drag” gesture. If it doesn’t have a delta, FALSE is returned.

WPEPlatform.GestureController.get_gesture_position

Get the position of currently detected gesture. If it doesn’t have a position, FALSE is returned.

WPEPlatform.GestureController.handle_event

Process event with controller to detect gestures. The detected gesture, if any, can then be retrieved with wpe_gesture_controller_get_gesture().

WPEPlatform.GestureController.is_drag_begin

Check if the current drag gesture is a beginning of the sequence being detected.