132 lines
3.7 KiB
C
132 lines
3.7 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include <types/wlr_tablet_v2.h>
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#include <wayland-util.h>
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#include <wlr/types/wlr_compositor.h>
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#include <wlr/types/wlr_tablet_tool.h>
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#include <wlr/types/wlr_tablet_v2.h>
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#include <wlr/util/log.h>
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#include "tablet-unstable-v2-protocol.h"
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void destroy_tablet_v2(struct wl_resource *resource) {
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struct wlr_tablet_client_v2 *tablet = tablet_client_from_resource(resource);
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if (!tablet) {
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return;
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}
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wl_list_remove(&tablet->seat_link);
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wl_list_remove(&tablet->tablet_link);
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free(tablet);
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wl_resource_set_user_data(resource, NULL);
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}
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static void handle_tablet_v2_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 const struct zwp_tablet_v2_interface tablet_impl = {
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.destroy = handle_tablet_v2_destroy,
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};
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static void handle_wlr_tablet_destroy(struct wl_listener *listener, void *data) {
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struct wlr_tablet_v2_tablet *tablet =
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wl_container_of(listener, tablet, tool_destroy);
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struct wlr_tablet_client_v2 *pos;
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struct wlr_tablet_client_v2 *tmp;
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wl_list_for_each_safe(pos, tmp, &tablet->clients, tablet_link) {
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zwp_tablet_v2_send_removed(pos->resource);
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}
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wl_list_remove(&tablet->clients);
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wl_list_remove(&tablet->link);
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wl_list_remove(&tablet->tool_destroy.link);
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free(tablet);
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}
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struct wlr_tablet_v2_tablet *wlr_tablet_create(
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struct wlr_tablet_manager_v2 *manager,
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struct wlr_seat *wlr_seat,
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struct wlr_input_device *wlr_device) {
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assert(wlr_device->type == WLR_INPUT_DEVICE_TABLET_TOOL);
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struct wlr_tablet_seat_v2 *seat = get_or_create_tablet_seat(manager, wlr_seat);
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if (!seat) {
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return NULL;
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}
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struct wlr_tablet *wlr_tablet = wlr_tablet_from_input_device(wlr_device);
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struct wlr_tablet_v2_tablet *tablet = calloc(1, sizeof(*tablet));
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if (!tablet) {
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return NULL;
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}
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tablet->wlr_tablet = wlr_tablet;
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tablet->wlr_device = wlr_device;
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wl_list_init(&tablet->clients);
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tablet->tool_destroy.notify = handle_wlr_tablet_destroy;
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wl_signal_add(&wlr_device->events.destroy, &tablet->tool_destroy);
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wl_list_insert(&seat->tablets, &tablet->link);
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// We need to create a tablet client for all clients on the seat
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struct wlr_tablet_seat_client_v2 *pos;
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wl_list_for_each(pos, &seat->clients, seat_link) {
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// Tell the clients about the new tool
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add_tablet_client(pos, tablet);
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}
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return tablet;
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}
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void add_tablet_client(struct wlr_tablet_seat_client_v2 *seat,
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struct wlr_tablet_v2_tablet *tablet) {
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struct wlr_tablet_client_v2 *client = calloc(1, sizeof(*client));
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if (!client) {
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return;
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}
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uint32_t version = wl_resource_get_version(seat->resource);
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client->resource =
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wl_resource_create(seat->wl_client, &zwp_tablet_v2_interface,
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version, 0);
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if (!client->resource) {
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wl_resource_post_no_memory(seat->resource);
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free(client);
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return;
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}
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wl_resource_set_implementation(client->resource, &tablet_impl,
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client, destroy_tablet_v2);
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zwp_tablet_seat_v2_send_tablet_added(seat->resource, client->resource);
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if (tablet->wlr_tablet->base.name) {
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zwp_tablet_v2_send_name(client->resource,
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tablet->wlr_tablet->base.name);
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}
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if (tablet->wlr_device->vendor != 0) {
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zwp_tablet_v2_send_id(client->resource,
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tablet->wlr_device->vendor, tablet->wlr_device->product);
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}
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const char **path_ptr;
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wl_array_for_each(path_ptr, &tablet->wlr_tablet->paths) {
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zwp_tablet_v2_send_path(client->resource, *path_ptr);
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}
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zwp_tablet_v2_send_done(client->resource);
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client->client = seat->wl_client;
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wl_list_insert(&seat->tablets, &client->seat_link);
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wl_list_insert(&tablet->clients, &client->tablet_link);
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}
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struct wlr_tablet_client_v2 *tablet_client_from_resource(struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &zwp_tablet_v2_interface,
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&tablet_impl));
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return wl_resource_get_user_data(resource);
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}
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