829 lines
23 KiB
C
829 lines
23 KiB
C
#define _XOPEN_SOURCE 700
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <assert.h>
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#include <unistd.h>
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#include <wayland-server.h>
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#include <wlr/util/log.h>
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#include <wlr/types/wlr_seat.h>
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#include <wlr/types/wlr_data_device.h>
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#define ALL_ACTIONS (WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY | \
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WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE | \
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WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK)
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static uint32_t data_offer_choose_action(struct wlr_data_offer *offer) {
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uint32_t available_actions, preferred_action = 0;
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uint32_t source_actions, offer_actions;
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if (wl_resource_get_version(offer->resource) >=
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WL_DATA_OFFER_ACTION_SINCE_VERSION) {
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offer_actions = offer->dnd_actions;
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preferred_action = offer->preferred_dnd_action;
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} else {
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offer_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
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}
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if (wl_resource_get_version(offer->source->resource) >=
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WL_DATA_SOURCE_ACTION_SINCE_VERSION) {
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source_actions = offer->source->dnd_actions;
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} else {
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source_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
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}
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available_actions = offer_actions & source_actions;
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if (!available_actions) {
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return WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
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}
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if (offer->source->seat_client &&
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offer->source->compositor_action & available_actions) {
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return offer->source->compositor_action;
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}
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// If the dest side has a preferred DnD action, use it
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if ((preferred_action & available_actions) != 0) {
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return preferred_action;
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}
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// Use the first found action, in bit order
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return 1 << (ffs(available_actions) - 1);
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}
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static void data_offer_update_action(struct wlr_data_offer *offer) {
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uint32_t action;
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if (!offer->source) {
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return;
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}
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action = data_offer_choose_action(offer);
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if (offer->source->current_dnd_action == action) {
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return;
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}
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offer->source->current_dnd_action = action;
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if (offer->in_ask) {
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return;
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}
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if (wl_resource_get_version(offer->source->resource) >=
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WL_DATA_SOURCE_ACTION_SINCE_VERSION) {
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wl_data_source_send_action(offer->source->resource, action);
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}
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if (wl_resource_get_version(offer->resource) >=
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WL_DATA_OFFER_ACTION_SINCE_VERSION) {
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wl_data_offer_send_action(offer->resource, action);
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}
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}
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static void client_data_source_accept(struct wlr_data_source *source,
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uint32_t serial, const char *mime_type) {
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wl_data_source_send_target(source->resource, mime_type);
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}
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static void client_data_source_send(struct wlr_data_source *source,
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const char *mime_type, int32_t fd) {
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wl_data_source_send_send(source->resource, mime_type, fd);
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close(fd);
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}
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static void client_data_source_cancel(struct wlr_data_source *source) {
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wl_data_source_send_cancelled(source->resource);
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}
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static void data_offer_accept(struct wl_client *client,
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struct wl_resource *resource, uint32_t serial, const char *mime_type) {
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struct wlr_data_offer *offer = wl_resource_get_user_data(resource);
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if (!offer->source || offer != offer->source->offer) {
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return;
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}
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// TODO check that client is currently focused by the input device
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offer->source->accept(offer->source, serial, mime_type);
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offer->source->accepted = (mime_type != NULL);
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}
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static void data_offer_receive(struct wl_client *client,
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struct wl_resource *resource, const char *mime_type, int32_t fd) {
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struct wlr_data_offer *offer = wl_resource_get_user_data(resource);
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if (offer->source && offer == offer->source->offer) {
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offer->source->send(offer->source, mime_type, fd);
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} else {
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close(fd);
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}
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}
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static void data_offer_destroy(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static void data_source_notify_finish(struct wlr_data_source *source) {
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if (!source->actions_set) {
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return;
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}
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if (source->offer->in_ask && wl_resource_get_version(source->resource) >=
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WL_DATA_SOURCE_ACTION_SINCE_VERSION) {
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wl_data_source_send_action(source->resource,
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source->current_dnd_action);
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}
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if (wl_resource_get_version(source->resource) >=
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WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION) {
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wl_data_source_send_dnd_finished(source->resource);
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}
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source->offer = NULL;
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}
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static void data_offer_finish(struct wl_client *client,
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struct wl_resource *resource) {
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struct wlr_data_offer *offer = wl_resource_get_user_data(resource);
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if (!offer->source || offer->source->offer != offer) {
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return;
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}
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data_source_notify_finish(offer->source);
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}
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static void data_offer_set_actions(struct wl_client *client,
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struct wl_resource *resource, uint32_t dnd_actions,
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uint32_t preferred_action) {
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struct wlr_data_offer *offer = wl_resource_get_user_data(resource);
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if (dnd_actions & ~ALL_ACTIONS) {
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wl_resource_post_error(offer->resource,
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WL_DATA_OFFER_ERROR_INVALID_ACTION_MASK,
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"invalid action mask %x", dnd_actions);
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return;
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}
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if (preferred_action && (!(preferred_action & dnd_actions) ||
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__builtin_popcount(preferred_action) > 1)) {
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wl_resource_post_error(offer->resource,
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WL_DATA_OFFER_ERROR_INVALID_ACTION,
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"invalid action %x", preferred_action);
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return;
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}
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offer->dnd_actions = dnd_actions;
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offer->preferred_dnd_action = preferred_action;
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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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struct wlr_data_offer *offer = wl_resource_get_user_data(resource);
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if (!offer->source) {
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goto out;
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}
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wl_list_remove(&offer->source_destroy.link);
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if (offer->source->offer != offer) {
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goto out;
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}
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// If the drag destination has version < 3, wl_data_offer.finish
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// won't be called, so do this here as a safety net, because
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// we still want the version >=3 drag source to be happy.
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if (wl_resource_get_version(offer->resource) <
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WL_DATA_OFFER_ACTION_SINCE_VERSION) {
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data_source_notify_finish(offer->source);
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} else if (offer->source->resource &&
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wl_resource_get_version(offer->source->resource) >=
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WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION) {
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wl_data_source_send_cancelled(offer->source->resource);
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}
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offer->source->offer = NULL;
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out:
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free(offer);
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}
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static const struct wl_data_offer_interface data_offer_impl = {
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.accept = data_offer_accept,
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.receive = data_offer_receive,
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.destroy = data_offer_destroy,
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.finish = data_offer_finish,
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.set_actions = data_offer_set_actions,
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};
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static void handle_offer_source_destroyed(struct wl_listener *listener,
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void *data) {
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struct wlr_data_offer *offer =
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wl_container_of(listener, offer, source_destroy);
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offer->source = NULL;
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}
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static struct wlr_data_offer *wlr_data_source_send_offer(
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struct wlr_data_source *source,
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struct wl_resource *target) {
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struct wlr_data_offer *offer = calloc(1, sizeof(struct wlr_data_offer));
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if (offer == NULL) {
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return NULL;
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}
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offer->resource =
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wl_resource_create(wl_resource_get_client(target),
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&wl_data_offer_interface,
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wl_resource_get_version(target), 0);
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if (offer->resource == NULL) {
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free(offer);
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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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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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wl_data_device_send_data_offer(target, offer->resource);
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char **p;
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wl_array_for_each(p, &source->mime_types) {
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wl_data_offer_send_offer(offer->resource, *p);
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}
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offer->source = source;
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source->offer = offer;
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source->accepted = false;
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return offer;
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}
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void wlr_seat_client_send_selection(struct wlr_seat_client *seat_client) {
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if (!seat_client->data_device) {
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return;
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}
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if (seat_client->seat->selection_source) {
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struct wlr_data_offer *offer =
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wlr_data_source_send_offer(seat_client->seat->selection_source,
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seat_client->data_device);
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wl_data_device_send_selection(seat_client->data_device, offer->resource);
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} else {
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wl_data_device_send_selection(seat_client->data_device, NULL);
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}
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}
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static void seat_client_selection_data_source_destroy(
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struct wl_listener *listener, void *data) {
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struct wlr_seat *seat =
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wl_container_of(listener, seat, selection_data_source_destroy);
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if (seat->keyboard_state.focused_client &&
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seat->keyboard_state.focused_surface &&
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seat->keyboard_state.focused_client->data_device) {
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wl_data_device_send_selection(
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seat->keyboard_state.focused_client->data_device, NULL);
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}
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seat->selection_source = NULL;
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wl_signal_emit(&seat->events.selection, seat);
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}
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void wlr_seat_set_selection(struct wlr_seat *seat,
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struct wlr_data_source *source, uint32_t serial) {
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if (seat->selection_source &&
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seat->selection_serial - serial < UINT32_MAX / 2) {
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return;
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}
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if (seat->selection_source) {
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seat->selection_source->cancel(seat->selection_source);
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seat->selection_source = NULL;
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wl_list_remove(&seat->selection_data_source_destroy.link);
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}
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seat->selection_source = source;
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seat->selection_serial = serial;
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struct wlr_seat_client *focused_client =
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seat->keyboard_state.focused_client;
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if (focused_client) {
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wlr_seat_client_send_selection(focused_client);
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}
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wl_signal_emit(&seat->events.selection, seat);
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if (source) {
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seat->selection_data_source_destroy.notify =
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seat_client_selection_data_source_destroy;
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wl_signal_add(&source->events.destroy,
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&seat->selection_data_source_destroy);
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}
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}
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static void data_device_set_selection(struct wl_client *client,
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struct wl_resource *dd_resource, struct wl_resource *source_resource,
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uint32_t serial) {
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if (!source_resource) {
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return;
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}
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struct wlr_data_source *source = wl_resource_get_user_data(source_resource);
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struct wlr_seat_client *seat_client =
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wl_resource_get_user_data(dd_resource);
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// TODO: store serial and check against incoming serial here
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wlr_seat_set_selection(seat_client->seat, source, serial);
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}
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static void data_device_release(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static void drag_client_seat_unbound(struct wl_listener *listener, void *data) {
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struct wlr_drag *drag =
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wl_container_of(listener, drag, seat_client_unbound);
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struct wlr_seat_client *unbound_client = data;
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if (drag->focus_client == unbound_client) {
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drag->focus_client = NULL;
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wl_list_remove(&drag->seat_client_unbound.link);
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}
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}
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static void wlr_drag_set_focus(struct wlr_drag *drag,
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struct wlr_surface *surface, double sx, double sy) {
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if (drag->focus == surface) {
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return;
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}
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if (drag->focus_client && drag->focus_client->data_device) {
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wl_list_remove(&drag->seat_client_unbound.link);
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wl_data_device_send_leave(drag->focus_client->data_device);
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drag->focus_client = NULL;
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drag->focus = NULL;
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}
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if (!surface || !surface->resource) {
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return;
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}
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if (!drag->source &&
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wl_resource_get_client(surface->resource) !=
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wl_resource_get_client(drag->seat_client->wl_resource)) {
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return;
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}
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if (drag->source && drag->source->offer) {
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// unlink the offer from the source
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wl_list_remove(&drag->source->offer->source_destroy.link);
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drag->source->offer->source = NULL;
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drag->source->offer = NULL;
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}
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struct wlr_seat_client *focus_client =
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wlr_seat_client_for_wl_client(drag->seat_client->seat,
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wl_resource_get_client(surface->resource));
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if (!focus_client || !focus_client->data_device) {
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return;
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}
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struct wl_resource *offer_resource = NULL;
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if (drag->source) {
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drag->source->accepted = false;
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struct wlr_data_offer *offer =
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wlr_data_source_send_offer(drag->source, focus_client->data_device);
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if (offer == NULL) {
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return;
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}
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data_offer_update_action(offer);
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if (wl_resource_get_version(offer->resource) >=
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WL_DATA_OFFER_SOURCE_ACTIONS_SINCE_VERSION) {
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wl_data_offer_send_source_actions(offer->resource,
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drag->source->dnd_actions);
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}
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offer_resource = offer->resource;
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}
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uint32_t serial =
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wl_display_next_serial(drag->seat_client->seat->display);
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wl_data_device_send_enter(focus_client->data_device, serial,
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surface->resource, wl_fixed_from_double(sx),
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wl_fixed_from_double(sy), offer_resource);
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drag->focus = surface;
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drag->focus_client = focus_client;
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drag->seat_client_unbound.notify = drag_client_seat_unbound;
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wl_signal_add(&focus_client->seat->events.client_unbound,
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&drag->seat_client_unbound);
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}
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static void wlr_drag_end(struct wlr_drag *drag) {
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if (!drag->cancelling) {
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drag->cancelling = true;
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wlr_seat_pointer_end_grab(drag->pointer_grab.seat);
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wlr_seat_keyboard_end_grab(drag->keyboard_grab.seat);
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if (drag->source) {
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wl_list_remove(&drag->source_destroy.link);
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}
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wlr_drag_set_focus(drag, NULL, 0, 0);
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if (drag->icon) {
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wl_list_remove(&drag->icon_destroy.link);
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}
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free(drag);
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}
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}
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static void pointer_drag_enter(struct wlr_seat_pointer_grab *grab,
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struct wlr_surface *surface, double sx, double sy) {
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struct wlr_drag *drag = grab->data;
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wlr_drag_set_focus(drag, surface, sx, sy);
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}
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static void pointer_drag_motion(struct wlr_seat_pointer_grab *grab,
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uint32_t time, double sx, double sy) {
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struct wlr_drag *drag = grab->data;
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if (drag->focus && drag->focus_client && drag->focus_client->data_device) {
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wl_data_device_send_motion(drag->focus_client->data_device, time,
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wl_fixed_from_double(sx), wl_fixed_from_double(sy));
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}
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}
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static uint32_t pointer_drag_button(struct wlr_seat_pointer_grab *grab,
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uint32_t time, uint32_t button, uint32_t state) {
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struct wlr_drag *drag = grab->data;
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if (drag->source &&
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grab->seat->pointer_state.grab_button == button &&
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state == WL_POINTER_BUTTON_STATE_RELEASED) {
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if (drag->focus_client && drag->focus_client->data_device &&
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drag->source->current_dnd_action &&
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drag->source->accepted) {
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wl_data_device_send_drop(drag->focus_client->data_device);
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if (wl_resource_get_version(drag->source->resource) >=
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WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION) {
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wl_data_source_send_dnd_drop_performed(
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drag->source->resource);
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}
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drag->source->offer->in_ask =
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drag->source->current_dnd_action ==
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WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK;
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} else if (wl_resource_get_version(drag->source->resource) >=
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WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION) {
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wl_data_source_send_cancelled(drag->source->resource);
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}
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}
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if (grab->seat->pointer_state.button_count == 0 &&
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state == WL_POINTER_BUTTON_STATE_RELEASED) {
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wlr_drag_end(drag);
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}
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return 0;
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}
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static void pointer_drag_axis(struct wlr_seat_pointer_grab *grab, uint32_t time,
|
|
enum wlr_axis_orientation orientation, double value) {
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}
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|
|
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static void pointer_drag_cancel(struct wlr_seat_pointer_grab *grab) {
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struct wlr_drag *drag = grab->data;
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wlr_drag_end(drag);
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}
|
|
|
|
const struct
|
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wlr_pointer_grab_interface wlr_data_device_pointer_drag_interface = {
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.enter = pointer_drag_enter,
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.motion = pointer_drag_motion,
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.button = pointer_drag_button,
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.axis = pointer_drag_axis,
|
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.cancel = pointer_drag_cancel,
|
|
};
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|
|
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static void keyboard_drag_enter(struct wlr_seat_keyboard_grab *grab,
|
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struct wlr_surface *surface) {
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// nothing has keyboard focus during drags
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}
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|
|
|
static void keyboard_drag_key(struct wlr_seat_keyboard_grab *grab,
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uint32_t time, uint32_t key, uint32_t state) {
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// no keyboard input during drags
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}
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|
|
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static void keyboard_drag_modifiers(struct wlr_seat_keyboard_grab *grab) {
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//struct wlr_keyboard *keyboard = grab->seat->keyboard_state.keyboard;
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// TODO change the dnd action based on what modifier is pressed on the
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// keyboard
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}
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|
|
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static void keyboard_drag_cancel(struct wlr_seat_keyboard_grab *grab) {
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struct wlr_drag *drag = grab->data;
|
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wlr_drag_end(drag);
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}
|
|
|
|
const struct
|
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wlr_keyboard_grab_interface wlr_data_device_keyboard_drag_interface = {
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.enter = keyboard_drag_enter,
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.key = keyboard_drag_key,
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.modifiers = keyboard_drag_modifiers,
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.cancel = keyboard_drag_cancel,
|
|
};
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|
|
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static void drag_handle_icon_destroy(struct wl_listener *listener, void *data) {
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struct wlr_drag *drag = wl_container_of(listener, drag, icon_destroy);
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drag->icon = NULL;
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|
}
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|
|
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static void drag_handle_drag_source_destroy(struct wl_listener *listener,
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void *data) {
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struct wlr_drag *drag = wl_container_of(listener, drag, source_destroy);
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wlr_drag_end(drag);
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}
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|
|
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static bool seat_client_start_drag(struct wlr_seat_client *client,
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struct wlr_data_source *source, struct wlr_surface *icon) {
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struct wlr_drag *drag = calloc(1, sizeof(struct wlr_drag));
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if (drag == NULL) {
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return false;
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|
}
|
|
|
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struct wlr_seat *seat = client->seat;
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|
|
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if (icon) {
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drag->icon = icon;
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drag->icon_destroy.notify = drag_handle_icon_destroy;
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wl_signal_add(&icon->events.destroy, &drag->icon_destroy);
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drag->icon = icon;
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}
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|
|
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if (source) {
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drag->source_destroy.notify = drag_handle_drag_source_destroy;
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wl_signal_add(&source->events.destroy, &drag->source_destroy);
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drag->source = source;
|
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}
|
|
|
|
drag->seat_client = client;
|
|
drag->pointer_grab.data = drag;
|
|
drag->pointer_grab.interface = &wlr_data_device_pointer_drag_interface;
|
|
|
|
drag->keyboard_grab.data = drag;
|
|
drag->keyboard_grab.interface = &wlr_data_device_keyboard_drag_interface;
|
|
|
|
wlr_seat_pointer_clear_focus(seat);
|
|
|
|
wlr_seat_keyboard_start_grab(seat, &drag->keyboard_grab);
|
|
wlr_seat_pointer_start_grab(seat, &drag->pointer_grab);
|
|
|
|
return true;
|
|
}
|
|
|
|
static void data_device_start_drag(struct wl_client *client,
|
|
struct wl_resource *device_resource,
|
|
struct wl_resource *source_resource,
|
|
struct wl_resource *origin_resource, struct wl_resource *icon_resource,
|
|
uint32_t serial) {
|
|
struct wlr_seat_client *seat_client = wl_resource_get_user_data(device_resource);
|
|
struct wlr_seat *seat = seat_client->seat;
|
|
struct wlr_surface *origin = wl_resource_get_user_data(origin_resource);
|
|
struct wlr_data_source *source = NULL;
|
|
struct wlr_surface *icon = NULL;
|
|
|
|
bool is_pointer_grab = seat->pointer_state.button_count == 1 &&
|
|
seat->pointer_state.grab_serial == serial &&
|
|
seat->pointer_state.focused_surface &&
|
|
seat->pointer_state.focused_surface == origin;
|
|
|
|
if (!is_pointer_grab) {
|
|
return;
|
|
}
|
|
|
|
if (source_resource) {
|
|
source = wl_resource_get_user_data(source_resource);
|
|
}
|
|
|
|
if (icon_resource) {
|
|
icon = wl_resource_get_user_data(icon_resource);
|
|
}
|
|
if (icon) {
|
|
if (wlr_surface_set_role(icon, "wl_data_device-icon",
|
|
icon_resource, WL_DATA_DEVICE_ERROR_ROLE) < 0) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// TODO touch grab
|
|
|
|
if (!seat_client_start_drag(seat_client, source, icon)) {
|
|
wl_resource_post_no_memory(device_resource);
|
|
return;
|
|
}
|
|
|
|
if (source) {
|
|
source->seat_client = seat_client;
|
|
}
|
|
}
|
|
|
|
static const struct wl_data_device_interface data_device_impl = {
|
|
.start_drag = data_device_start_drag,
|
|
.set_selection = data_device_set_selection,
|
|
.release = data_device_release,
|
|
};
|
|
|
|
void data_device_manager_get_data_device(struct wl_client *client,
|
|
struct wl_resource *manager_resource, uint32_t id,
|
|
struct wl_resource *seat_resource) {
|
|
struct wlr_seat_client *seat_client = wl_resource_get_user_data(seat_resource);
|
|
|
|
struct wl_resource *resource =
|
|
wl_resource_create(client,
|
|
&wl_data_device_interface,
|
|
wl_resource_get_version(manager_resource), id);
|
|
if (resource == NULL) {
|
|
wl_resource_post_no_memory(manager_resource);
|
|
return;
|
|
}
|
|
|
|
if (seat_client->data_device != NULL) {
|
|
// XXX this is probably a protocol violation, but it simplfies our code
|
|
// and it's stupid to create several data devices for the same seat.
|
|
wl_resource_destroy(seat_client->data_device);
|
|
}
|
|
|
|
seat_client->data_device = resource;
|
|
|
|
wl_resource_set_implementation(resource, &data_device_impl,
|
|
seat_client, NULL);
|
|
}
|
|
|
|
static void data_source_resource_destroy(struct wl_resource *resource) {
|
|
struct wlr_data_source *source =
|
|
wl_resource_get_user_data(resource);
|
|
char **p;
|
|
|
|
wl_signal_emit(&source->events.destroy, source);
|
|
|
|
wl_array_for_each(p, &source->mime_types) {
|
|
free(*p);
|
|
}
|
|
|
|
wl_array_release(&source->mime_types);
|
|
|
|
free(source);
|
|
}
|
|
|
|
static void data_source_destroy(struct wl_client *client,
|
|
struct wl_resource *resource) {
|
|
wl_resource_destroy(resource);
|
|
}
|
|
|
|
static void data_source_set_actions(struct wl_client *client,
|
|
struct wl_resource *resource, uint32_t dnd_actions) {
|
|
struct wlr_data_source *source =
|
|
wl_resource_get_user_data(resource);
|
|
|
|
if (source->actions_set) {
|
|
wl_resource_post_error(source->resource,
|
|
WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK,
|
|
"cannot set actions more than once");
|
|
return;
|
|
}
|
|
|
|
if (dnd_actions & ~ALL_ACTIONS) {
|
|
wl_resource_post_error(source->resource,
|
|
WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK,
|
|
"invalid action mask %x", dnd_actions);
|
|
return;
|
|
}
|
|
|
|
if (source->seat_client) {
|
|
wl_resource_post_error(source->resource,
|
|
WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK,
|
|
"invalid action change after "
|
|
"wl_data_device.start_drag");
|
|
return;
|
|
}
|
|
|
|
source->dnd_actions = dnd_actions;
|
|
source->actions_set = true;
|
|
}
|
|
|
|
static void data_source_offer(struct wl_client *client,
|
|
struct wl_resource *resource, const char *mime_type) {
|
|
struct wlr_data_source *source =
|
|
wl_resource_get_user_data(resource);
|
|
char **p;
|
|
|
|
p = wl_array_add(&source->mime_types, sizeof *p);
|
|
|
|
if (p) {
|
|
*p = strdup(mime_type);
|
|
}
|
|
if (!p || !*p){
|
|
wl_resource_post_no_memory(resource);
|
|
}
|
|
}
|
|
|
|
static struct wl_data_source_interface data_source_impl = {
|
|
.offer = data_source_offer,
|
|
.destroy = data_source_destroy,
|
|
.set_actions = data_source_set_actions,
|
|
};
|
|
|
|
static void data_device_manager_create_data_source(struct wl_client *client,
|
|
struct wl_resource *resource, uint32_t id) {
|
|
struct wlr_data_source *source = calloc(1, sizeof(struct wlr_data_source));
|
|
if (source == NULL) {
|
|
wl_resource_post_no_memory(resource);
|
|
return;
|
|
}
|
|
|
|
source->resource =
|
|
wl_resource_create(client, &wl_data_source_interface,
|
|
wl_resource_get_version(resource), id);
|
|
if (source->resource == NULL) {
|
|
free(source);
|
|
wl_resource_post_no_memory(resource);
|
|
return;
|
|
}
|
|
|
|
source->accept = client_data_source_accept;
|
|
source->send = client_data_source_send;
|
|
source->cancel = client_data_source_cancel;
|
|
|
|
wl_array_init(&source->mime_types);
|
|
wl_signal_init(&source->events.destroy);
|
|
|
|
wl_resource_set_implementation(source->resource, &data_source_impl,
|
|
source, data_source_resource_destroy);
|
|
}
|
|
|
|
static const struct wl_data_device_manager_interface
|
|
data_device_manager_impl = {
|
|
.create_data_source = data_device_manager_create_data_source,
|
|
.get_data_device = data_device_manager_get_data_device,
|
|
};
|
|
|
|
static void data_device_manager_bind(struct wl_client *client,
|
|
void *data, uint32_t version, uint32_t id) {
|
|
struct wl_resource *resource = wl_resource_create(client,
|
|
&wl_data_device_manager_interface,
|
|
version, id);
|
|
if (resource == NULL) {
|
|
wl_client_post_no_memory(client);
|
|
return;
|
|
}
|
|
|
|
wl_resource_set_implementation(resource, &data_device_manager_impl,
|
|
NULL, NULL);
|
|
}
|
|
|
|
struct wlr_data_device_manager *wlr_data_device_manager_create(
|
|
struct wl_display *display) {
|
|
struct wlr_data_device_manager *manager =
|
|
calloc(1, sizeof(struct wlr_data_device_manager));
|
|
if (manager == NULL) {
|
|
wlr_log(L_ERROR, "could not create data device manager");
|
|
return NULL;
|
|
}
|
|
|
|
manager->global =
|
|
wl_global_create(display, &wl_data_device_manager_interface,
|
|
3, NULL, data_device_manager_bind);
|
|
if (!manager->global) {
|
|
wlr_log(L_ERROR, "could not create data device manager wl global");
|
|
free(manager);
|
|
return NULL;
|
|
}
|
|
|
|
return manager;
|
|
}
|
|
|
|
void wlr_data_device_manager_destroy(struct wlr_data_device_manager *manager) {
|
|
if (!manager) {
|
|
return;
|
|
}
|
|
wl_global_destroy(manager->global);
|
|
free(manager);
|
|
}
|