hold_and_drag.c File Reference

#include "hold_and_drag.h"
#include "drag.h"
#include "hold.h"
#include "math.h"
#include "utils.h"

Go to the source code of this file.

Functions
void	init_hold_and_drag ()
	Initialize hold and drag data structures. More...
void	recognize_hold_and_drag (const touch_event_t *event)
	Recognize hold and drag gesture. More...
const hold_and_drag_t *	get_hold_and_drag ()
	Access hold and drag data array of size MAX_TOUCHES. More...
int	set_on_hold_and_drag (void(*listener)(const hold_and_drag_t *))
	Subscribe listener to hold and drag gesture updates. More...

Variables
hold_and_drag_t	hold_and_drag_d [MAX_TOUCHES]
void(*	on_hold_and_drag )(const hold_and_drag_t *)=0

Function Documentation

get_hold_and_drag()

const hold_and_drag_t* get_hold_and_drag

(

)

Access hold and drag data array of size MAX_TOUCHES.

Returns

Address of first element of hold data array of size MAX_TOUCHES

Definition at line 37 of file hold_and_drag.c.

init_hold_and_drag()

void init_hold_and_drag

(

)

Initialize hold and drag data structures.

Definition at line 13 of file hold_and_drag.c.

recognize_hold_and_drag()

void recognize_hold_and_drag

(

const touch_event_t *

event

)

Recognize hold and drag gesture.

Parameters

event

touch event to recognize

Definition at line 28 of file hold_and_drag.c.

set_on_hold_and_drag()

int set_on_hold_and_drag

(

void(*)(const hold_and_drag_t *)

listener

)

Subscribe listener to hold and drag gesture updates.

Parameters

listener

accepts a const hold_and_drag_t*

Returns

0 if first listener, 1 if replacing existing listener

Definition at line 41 of file hold_and_drag.c.

Variable Documentation

hold_and_drag_d

hold_and_drag_t hold_and_drag_d[MAX_TOUCHES]

Definition at line 10 of file hold_and_drag.c.

on_hold_and_drag

void(* on_hold_and_drag) (const hold_and_drag_t *)=0

(

const hold_and_drag_t *

)

Definition at line 11 of file hold_and_drag.c.