data-device: make sure resources are correctly destroyed
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7843a48432
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5d37b14116
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@ -18,7 +18,8 @@ struct wlr_data_offer *data_offer_create(struct wl_client *client,
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void data_offer_update_action(struct wlr_data_offer *offer);
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struct wlr_client_data_source *client_data_source_create(
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struct wl_client *client, uint32_t version, uint32_t id);
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struct wl_client *client, uint32_t version, uint32_t id,
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struct wl_list *resource_list);
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struct wlr_client_data_source *client_data_source_from_resource(
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struct wl_resource *resource);
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struct wlr_data_offer *data_source_send_offer(struct wlr_data_source *source,
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@ -15,8 +15,16 @@ wlr_touch_grab_interface wlr_data_device_touch_drag_interface;
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struct wlr_data_device_manager {
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struct wl_global *global;
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struct wl_list wl_resources;
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struct wl_list data_sources;
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struct wl_listener display_destroy;
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struct {
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struct wl_signal destroy;
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} events;
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void *data;
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};
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struct wlr_data_offer {
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@ -11,6 +11,8 @@
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#include "types/wlr_data_device.h"
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#include "util/signal.h"
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#define DATA_DEVICE_MANAGER_VERSION 3
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static const struct wl_data_device_interface data_device_impl;
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static struct wlr_seat_client *seat_client_from_data_device_resource(
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@ -83,7 +85,7 @@ static const struct wl_data_device_interface data_device_impl = {
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.release = data_device_release,
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};
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static void data_device_destroy(struct wl_resource *resource) {
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static void data_device_handle_resource_destroy(struct wl_resource *resource) {
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wl_list_remove(wl_resource_get_link(resource));
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}
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@ -164,6 +166,15 @@ void wlr_seat_set_selection(struct wlr_seat *seat,
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}
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static const struct wl_data_device_manager_interface data_device_manager_impl;
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static struct wlr_data_device_manager *data_device_manager_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &wl_data_device_manager_interface,
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&data_device_manager_impl));
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return wl_resource_get_user_data(resource);
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}
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static void data_device_manager_get_data_device(struct wl_client *client,
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struct wl_resource *manager_resource, uint32_t id,
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struct wl_resource *seat_resource) {
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@ -178,13 +189,17 @@ static void data_device_manager_get_data_device(struct wl_client *client,
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return;
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}
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wl_resource_set_implementation(resource, &data_device_impl, seat_client,
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&data_device_destroy);
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&data_device_handle_resource_destroy);
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wl_list_insert(&seat_client->data_devices, wl_resource_get_link(resource));
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}
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static void data_device_manager_create_data_source(struct wl_client *client,
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struct wl_resource *resource, uint32_t id) {
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client_data_source_create(client, wl_resource_get_version(resource), id);
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struct wl_resource *manager_resource, uint32_t id) {
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struct wlr_data_device_manager *manager =
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data_device_manager_from_resource(manager_resource);
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client_data_source_create(client, wl_resource_get_version(manager_resource),
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id, &manager->data_sources);
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}
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static const struct wl_data_device_manager_interface
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@ -193,8 +208,15 @@ static const struct wl_data_device_manager_interface
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.get_data_device = data_device_manager_get_data_device,
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};
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static void data_device_manager_handle_resource_destroy(
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struct wl_resource *resource) {
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wl_list_remove(wl_resource_get_link(resource));
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}
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static void data_device_manager_bind(struct wl_client *client,
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void *data, uint32_t version, uint32_t id) {
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struct wlr_data_device_manager *manager = data;
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struct wl_resource *resource = wl_resource_create(client,
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&wl_data_device_manager_interface,
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version, id);
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@ -202,18 +224,26 @@ static void data_device_manager_bind(struct wl_client *client,
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(resource, &data_device_manager_impl,
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NULL, NULL);
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manager, data_device_manager_handle_resource_destroy);
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wl_list_insert(&manager->wl_resources, wl_resource_get_link(resource));
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}
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void wlr_data_device_manager_destroy(struct wlr_data_device_manager *manager) {
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if (!manager) {
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return;
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}
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wlr_signal_emit_safe(&manager->events.destroy, manager);
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wl_list_remove(&manager->display_destroy.link);
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// TODO: free wl_resources
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wl_global_destroy(manager->global);
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struct wl_resource *resource, *tmp;
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wl_resource_for_each_safe(resource, tmp, &manager->wl_resources) {
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wl_resource_destroy(resource);
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}
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wl_resource_for_each_safe(resource, tmp, &manager->data_sources) {
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wl_resource_destroy(resource);
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}
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free(manager);
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}
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@ -232,11 +262,15 @@ struct wlr_data_device_manager *wlr_data_device_manager_create(
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return NULL;
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}
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wl_list_init(&manager->wl_resources);
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wl_list_init(&manager->data_sources);
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wl_signal_init(&manager->events.destroy);
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manager->global =
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wl_global_create(display, &wl_data_device_manager_interface,
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3, NULL, data_device_manager_bind);
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DATA_DEVICE_MANAGER_VERSION, manager, data_device_manager_bind);
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if (!manager->global) {
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wlr_log(L_ERROR, "could not create data device manager wl global");
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wlr_log(L_ERROR, "could not create data device manager wl_global");
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free(manager);
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return NULL;
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}
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@ -145,7 +145,7 @@ static void data_offer_set_actions(struct wl_client *client,
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data_offer_update_action(offer);
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}
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static void data_offer_resource_destroy(struct wl_resource *resource) {
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static void data_offer_handle_resource_destroy(struct wl_resource *resource) {
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struct wlr_data_offer *offer = data_offer_from_resource(resource);
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if (!offer->source) {
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@ -208,7 +208,7 @@ struct wlr_data_offer *data_offer_create(struct wl_client *client,
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return NULL;
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}
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wl_resource_set_implementation(offer->resource, &data_offer_impl, offer,
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data_offer_resource_destroy);
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data_offer_handle_resource_destroy);
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offer->source_destroy.notify = handle_offer_source_destroyed;
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wl_signal_add(&source->events.destroy, &offer->source_destroy);
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@ -245,11 +245,13 @@ static void data_source_handle_resource_destroy(struct wl_resource *resource) {
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struct wlr_client_data_source *source =
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client_data_source_from_resource(resource);
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wlr_data_source_finish(&source->source);
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wl_list_remove(wl_resource_get_link(source->resource));
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free(source);
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}
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struct wlr_client_data_source *client_data_source_create(
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struct wl_client *client, uint32_t version, uint32_t id) {
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struct wl_client *client, uint32_t version, uint32_t id,
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struct wl_list *resource_list) {
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struct wlr_client_data_source *source =
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calloc(1, sizeof(struct wlr_client_data_source));
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if (source == NULL) {
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@ -265,6 +267,7 @@ struct wlr_client_data_source *client_data_source_create(
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}
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wl_resource_set_implementation(source->resource, &data_source_impl,
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source, data_source_handle_resource_destroy);
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wl_list_insert(resource_list, wl_resource_get_link(source->resource));
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source->impl.accept = client_data_source_accept;
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source->impl.send = client_data_source_send;
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