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relative-pointer-v1: don't allocate when inert

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When the wl_pointer the zwp_relative_pointer_v1 is created with is
inert, don't allocate any struct, just leave the resource's data
pointer NULL.
This commit is contained in:
Simon Ser 2022-05-30 16:54:53 +02:00 committed by Isaac Freund
parent 1feb8edd21
commit 43020963d4
1 changed files with 22 additions and 23 deletions
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37
types/wlr_relative_pointer_v1.c
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@ -74,9 +74,25 @@ static void relative_pointer_manager_v1_handle_destroy(struct wl_client *client,
static void relative_pointer_manager_v1_handle_get_relative_pointer(struct wl_client *client, static void relative_pointer_manager_v1_handle_get_relative_pointer(struct wl_client *client,
struct wl_resource *resource, uint32_t id, struct wl_resource *pointer) { struct wl_resource *resource, uint32_t id, struct wl_resource *pointer) {
struct wlr_relative_pointer_manager_v1 *manager =
relative_pointer_manager_from_resource(resource);
struct wlr_seat_client *seat_client = struct wlr_seat_client *seat_client =
wlr_seat_client_from_pointer_resource(pointer); wlr_seat_client_from_pointer_resource(pointer);
struct wl_resource *relative_pointer_resource = wl_resource_create(client,
&zwp_relative_pointer_v1_interface, wl_resource_get_version(resource), id);
if (relative_pointer_resource == NULL) {
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(relative_pointer_resource, &relative_pointer_v1_impl,
NULL, relative_pointer_v1_handle_resource_destroy);
if (seat_client == NULL) {
// Leave the resource inert
return;
}
struct wlr_relative_pointer_v1 *relative_pointer = struct wlr_relative_pointer_v1 *relative_pointer =
calloc(1, sizeof(struct wlr_relative_pointer_v1)); calloc(1, sizeof(struct wlr_relative_pointer_v1));
if (relative_pointer == NULL) { if (relative_pointer == NULL) {
@ -84,36 +100,19 @@ static void relative_pointer_manager_v1_handle_get_relative_pointer(struct wl_cl
return; return;
} }
struct wl_resource *relative_pointer_resource = wl_resource_create(client,
&zwp_relative_pointer_v1_interface, wl_resource_get_version(resource), id);
if (relative_pointer_resource == NULL) {
free(relative_pointer);
wl_client_post_no_memory(client);
return;
}
relative_pointer->resource = relative_pointer_resource; relative_pointer->resource = relative_pointer_resource;
relative_pointer->pointer_resource = pointer; relative_pointer->pointer_resource = pointer;
if (seat_client) {
relative_pointer->seat = seat_client->seat; relative_pointer->seat = seat_client->seat;
wl_signal_add(&relative_pointer->seat->events.destroy, wl_signal_add(&relative_pointer->seat->events.destroy,
&relative_pointer->seat_destroy); &relative_pointer->seat_destroy);
relative_pointer->seat_destroy.notify = relative_pointer_handle_seat_destroy; relative_pointer->seat_destroy.notify = relative_pointer_handle_seat_destroy;
} else {
wl_list_init(&relative_pointer->seat_destroy.link);
}
wl_signal_init(&relative_pointer->events.destroy); wl_signal_init(&relative_pointer->events.destroy);
wl_resource_set_implementation(relative_pointer_resource, &relative_pointer_v1_impl, wl_resource_set_user_data(relative_pointer_resource, relative_pointer);
relative_pointer, relative_pointer_v1_handle_resource_destroy);
struct wlr_relative_pointer_manager_v1 *manager = wl_list_insert(&manager->relative_pointers, &relative_pointer->link);
relative_pointer_manager_from_resource(resource);
wl_list_insert(&manager->relative_pointers,
&relative_pointer->link);
wl_resource_add_destroy_listener(relative_pointer->pointer_resource, wl_resource_add_destroy_listener(relative_pointer->pointer_resource,
&relative_pointer->pointer_destroy); &relative_pointer->pointer_destroy);