wlroots/types/tablet_v2/wlr_tablet_v2_tablet.c

135 lines
3.7 KiB
C

#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200809L
#endif
#include <assert.h>
#include <stdlib.h>
#include <types/wlr_tablet_v2.h>
#include <wayland-util.h>
#include <wlr/types/wlr_tablet_tool.h>
#include <wlr/types/wlr_tablet_v2.h>
#include <wlr/util/log.h>
#include "tablet-unstable-v2-protocol.h"
void destroy_tablet_v2(struct wl_resource *resource) {
struct wlr_tablet_client_v2 *tablet = tablet_client_from_resource(resource);
if (!tablet) {
return;
}
wl_list_remove(&tablet->seat_link);
wl_list_remove(&tablet->tablet_link);
free(tablet);
wl_resource_set_user_data(resource, NULL);
}
static void handle_tablet_v2_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static const struct zwp_tablet_v2_interface tablet_impl = {
.destroy = handle_tablet_v2_destroy,
};
static void handle_wlr_tablet_destroy(struct wl_listener *listener, void *data) {
struct wlr_tablet_v2_tablet *tablet =
wl_container_of(listener, tablet, tool_destroy);
struct wlr_tablet_client_v2 *pos;
struct wlr_tablet_client_v2 *tmp;
wl_list_for_each_safe(pos, tmp, &tablet->clients, tablet_link) {
zwp_tablet_v2_send_removed(pos->resource);
}
wl_list_remove(&tablet->clients);
wl_list_remove(&tablet->link);
wl_list_remove(&tablet->tool_destroy.link);
free(tablet);
}
struct wlr_tablet_v2_tablet *wlr_tablet_create(
struct wlr_tablet_manager_v2 *manager,
struct wlr_seat *wlr_seat,
struct wlr_input_device *wlr_device) {
assert(wlr_device->type == WLR_INPUT_DEVICE_TABLET_TOOL);
struct wlr_tablet_seat_v2 *seat = get_or_create_tablet_seat(manager, wlr_seat);
if (!seat) {
return NULL;
}
struct wlr_tablet *wlr_tablet = wlr_device->tablet;
struct wlr_tablet_v2_tablet *tablet = calloc(1, sizeof(struct wlr_tablet_v2_tablet));
if (!tablet) {
return NULL;
}
tablet->wlr_tablet = wlr_tablet;
tablet->wlr_device = wlr_device;
wl_list_init(&tablet->clients);
tablet->tool_destroy.notify = handle_wlr_tablet_destroy;
wl_signal_add(&wlr_device->events.destroy, &tablet->tool_destroy);
wl_list_insert(&seat->tablets, &tablet->link);
// We need to create a tablet client for all clients on the seat
struct wlr_tablet_seat_client_v2 *pos;
wl_list_for_each(pos, &seat->clients, seat_link) {
// Tell the clients about the new tool
add_tablet_client(pos, tablet);
}
return tablet;
}
void add_tablet_client(struct wlr_tablet_seat_client_v2 *seat,
struct wlr_tablet_v2_tablet *tablet) {
struct wlr_tablet_client_v2 *client =
calloc(1, sizeof(struct wlr_tablet_client_v2));
if (!client) {
return;
}
uint32_t version = wl_resource_get_version(seat->resource);
client->resource =
wl_resource_create(seat->wl_client, &zwp_tablet_v2_interface,
version, 0);
if (!client->resource) {
wl_resource_post_no_memory(seat->resource);
free(client);
return;
}
wl_resource_set_implementation(client->resource, &tablet_impl,
client, destroy_tablet_v2);
zwp_tablet_seat_v2_send_tablet_added(seat->resource, client->resource);
// Send the expected events
if (tablet->wlr_tablet->name) {
zwp_tablet_v2_send_name(client->resource,
tablet->wlr_tablet->name);
}
zwp_tablet_v2_send_id(client->resource,
tablet->wlr_device->vendor, tablet->wlr_device->product);
const char **path_ptr;
wl_array_for_each(path_ptr, &tablet->wlr_tablet->paths) {
zwp_tablet_v2_send_path(client->resource, *path_ptr);
}
zwp_tablet_v2_send_done(client->resource);
client->client = seat->wl_client;
wl_list_insert(&seat->tablets, &client->seat_link);
wl_list_insert(&tablet->clients, &client->tablet_link);
}
struct wlr_tablet_client_v2 *tablet_client_from_resource(struct wl_resource *resource) {
assert(wl_resource_instance_of(resource, &zwp_tablet_v2_interface,
&tablet_impl));
return wl_resource_get_user_data(resource);
}