ALLEGRO_TOUCH_STATE(3) ALLEGRO_TOUCH_STATE(3)

ALLEGRO_TOUCH_STATE - Allegro 5 API

#include <allegro5/allegro.h>
typedef struct ALLEGRO_TOUCH_STATE ALLEGRO_TOUCH_STATE;

This is a structure that is used to hold a “snapshot” of a touch at a particular instant.

Public fields (read only):

id - identifier of the touch. If the touch is valid, this is positive.
x - touch x position
y - touch y position
dx - touch relative x position
dy - touch relative y position
primary - TRUE if this touch is the primary one (usually the first one).
display - The ALLEGRO_DISPLAY(3) that was touched.

5.1.0

Allegro reference manual