Check capabilities before using pointer and keyboard

This commit is contained in:
David Eklov 2016-07-04 23:21:11 -05:00
parent 840b0c1bcd
commit 9889b14511

View file

@ -174,6 +174,35 @@ static const struct wl_keyboard_listener keyboard_listener = {
.repeat_info = keyboard_handle_repeat_info .repeat_info = keyboard_handle_repeat_info
}; };
static void seat_handle_capabilities(void *data, struct wl_seat *seat,
enum wl_seat_capability caps) {
struct registry *reg = data;
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !reg->pointer) {
reg->pointer = wl_seat_get_pointer(reg->seat);
} else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && reg->pointer) {
wl_pointer_destroy(reg->pointer);
reg->pointer = NULL;
}
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !reg->keyboard) {
reg->keyboard = wl_seat_get_keyboard(reg->seat);
wl_keyboard_add_listener(reg->keyboard, &keyboard_listener, reg);
} else if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && reg->keyboard) {
wl_keyboard_destroy(reg->keyboard);
reg->keyboard = NULL;
}
}
static void seat_handle_name(void *data, struct wl_seat *seat, const char *name) {
// this space intentionally left blank
}
static const struct wl_seat_listener seat_listener = {
.capabilities = seat_handle_capabilities,
.name = seat_handle_name,
};
static void registry_global(void *data, struct wl_registry *registry, static void registry_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version) { uint32_t name, const char *interface, uint32_t version) {
struct registry *reg = data; struct registry *reg = data;
@ -186,11 +215,7 @@ static void registry_global(void *data, struct wl_registry *registry,
reg->shell = wl_registry_bind(registry, name, &wl_shell_interface, version); reg->shell = wl_registry_bind(registry, name, &wl_shell_interface, version);
} else if (strcmp(interface, wl_seat_interface.name) == 0) { } else if (strcmp(interface, wl_seat_interface.name) == 0) {
reg->seat = wl_registry_bind(registry, name, &wl_seat_interface, version); reg->seat = wl_registry_bind(registry, name, &wl_seat_interface, version);
reg->pointer = wl_seat_get_pointer(reg->seat); wl_seat_add_listener(reg->seat, &seat_listener, reg);
reg->keyboard = wl_seat_get_keyboard(reg->seat);
if (reg->keyboard) {
wl_keyboard_add_listener(reg->keyboard, &keyboard_listener, reg);
}
} else if (strcmp(interface, wl_output_interface.name) == 0) { } else if (strcmp(interface, wl_output_interface.name) == 0) {
struct wl_output *output = wl_registry_bind(registry, name, &wl_output_interface, version); struct wl_output *output = wl_registry_bind(registry, name, &wl_output_interface, version);
struct output_state *ostate = malloc(sizeof(struct output_state)); struct output_state *ostate = malloc(sizeof(struct output_state));