@ -36,14 +36,18 @@
# define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
struct seat {
struct touch * touch ;
struct wl_seat * seat ;
struct wl_touch * wl_touch ;
} ;
struct touch {
struct wl_display * display ;
struct wl_registry * registry ;
struct wl_compositor * compositor ;
struct wl_shell * shell ;
struct wl_shm * shm ;
struct wl_seat * seat ;
struct wl_touch * wl_touch ;
struct wl_pointer * pointer ;
struct wl_keyboard * keyboard ;
struct wl_surface * surface ;
@ -199,18 +203,19 @@ static const struct wl_touch_listener touch_listener = {
} ;
static void
seat_handle_capabilities ( void * data , struct wl_seat * seat ,
seat_handle_capabilities ( void * data , struct wl_seat * wl_ seat,
enum wl_seat_capability caps )
{
struct touch * touch = data ;
if ( ( caps & WL_SEAT_CAPABILITY_TOUCH ) & & ! touch - > wl_touch ) {
touch - > wl_touch = wl_seat_get_touch ( seat ) ;
wl_touch_set_user_data ( touch - > wl_touch , touch ) ;
wl_touch_add_listener ( touch - > wl_touch , & touch_listener , touch ) ;
} else if ( ! ( caps & WL_SEAT_CAPABILITY_TOUCH ) & & touch - > wl_touch ) {
wl_touch_destroy ( touch - > wl_touch ) ;
touch - > wl_touch = NULL ;
struct seat * seat = data ;
struct touch * touch = seat - > touch ;
if ( ( caps & WL_SEAT_CAPABILITY_TOUCH ) & & ! seat - > wl_touch ) {
seat - > wl_touch = wl_seat_get_touch ( wl_seat ) ;
wl_touch_set_user_data ( seat - > wl_touch , touch ) ;
wl_touch_add_listener ( seat - > wl_touch , & touch_listener , touch ) ;
} else if ( ! ( caps & WL_SEAT_CAPABILITY_TOUCH ) & & seat - > wl_touch ) {
wl_touch_destroy ( seat - > wl_touch ) ;
seat - > wl_touch = NULL ;
}
}
@ -218,6 +223,21 @@ static const struct wl_seat_listener seat_listener = {
seat_handle_capabilities ,
} ;
static void
add_seat ( struct touch * touch , uint32_t name , uint32_t version )
{
struct seat * seat ;
seat = malloc ( sizeof * seat ) ;
assert ( seat ) ;
seat - > touch = touch ;
seat - > wl_touch = NULL ;
seat - > seat = wl_registry_bind ( touch - > registry , name ,
& wl_seat_interface , 1 ) ;
wl_seat_add_listener ( seat - > seat , & seat_listener , seat ) ;
}
static void
handle_ping ( void * data , struct wl_shell_surface * shell_surface ,
uint32_t serial )
@ -261,9 +281,7 @@ handle_global(void *data, struct wl_registry *registry,
& wl_shm_interface , 1 ) ;
wl_shm_add_listener ( touch - > shm , & shm_listener , touch ) ;
} else if ( strcmp ( interface , " wl_seat " ) = = 0 ) {
touch - > seat = wl_registry_bind ( registry , name ,
& wl_seat_interface , 1 ) ;
wl_seat_add_listener ( touch - > seat , & seat_listener , touch ) ;
add_seat ( touch , name , version ) ;
}
}