touch.h File Reference

#include "touch_event.h"
#include "gesture_event.h"
#include <stdbool.h>

Data Structures
struct	TouchWakeGateResult
	Outcome of the session gate decision made on a Touchdown. More...

Enumerations
enum	TouchState { TouchState_FingerUp , TouchState_FingerDown }
	Finger state reported by the touch driver. More...
enum	TouchGesture { TouchGesture_Tap , TouchGesture_DoubleTap , TouchGesture_Palm }
	Gesture reported by the touch driver. More...
enum	TouchInjectPhase { TouchInjectPhase_Begin , TouchInjectPhase_Move , TouchInjectPhase_End }
	Phase of an injected gesture. More...

Functions
void	touch_init (void)
	Initialize the service and register the touch and gesture event types.
void	touch_set_backlight_enabled (bool enabled)
	Enable or disable the kernel touch subscription used by the touch backlight feature.
void	touch_set_system_hold (bool held)
	Hold the sensor powered for system touch navigation.
bool	touch_nav_enabled (void)
	Check whether system touch navigation is enabled.
void	touch_set_nav_enabled (bool enabled)
	Set the system navigation gate.
bool	touch_app_nav_active (void)
	Check whether the app navigation dispatcher is installed for the running app.
void	touch_set_app_nav_active (bool active)
	Mark whether the app navigation dispatcher is installed.
bool	touch_has_app_subscribers (void)
	Check for explicit raw touch subscriptions.
void	touch_service_set_globally_enabled (bool enabled)
	Globally enable or disable touch.
bool	touch_service_is_globally_enabled (void)
	Get the global touch enable flag.
void	touch_handle_update (TouchState touch_state, int16_t x, int16_t y)
	Pass a touch sample to the service.
void	touch_handle_gesture (TouchGesture gesture, int16_t x, int16_t y)
	Pass a gesture to the service.
void	touch_reset (void)
	Reset the touch state.
void	touch_release_active (void)
	End an in-progress touch with a synthetic Liftoff.
void	touch_wake_gate_stamp (TouchEvent *event, TouchWakeGateResult gate)
	Stamp non_navigational onto a touch event.
void	touch_set_rotated (bool rotated)
	Set whether the display is rotated by 180 degrees (left-hand mode).
bool	touch_handle_injected_update (TouchInjectPhase phase, int16_t x, int16_t y)
	Inject a synthetic touch sample.
bool	touch_injection_is_available (void)
	Check whether a new injected gesture would be accepted.