double_tap_gesture_alloc()
QNX SDP8.0Gestures Library ReferenceAPIDeveloperProgramming
Allocate and initialize the double tap gesture structure
Synopsis:
#include <gestures/double_tap.h>
gesture_double_tap_t* double_tap_gesture_alloc(double_tap_params_t *params, gesture_callback_f callback, struct gestures_set *set)
Arguments:
- params
- The double tap gesture parameters.
- callback
- The function to invoke when the double tap gesture changes state.
- set
- The gesture set to add this double tap gesture to.
Library:
libgesturesDescription:
This function allocates a new double tap gesture data structure, initializes it with the specified parameters and callback function, and adds it to the specified gesture set.
Returns:
An initialized double tap gesture.
Page updated: