308 lines
9.0 KiB
C
308 lines
9.0 KiB
C
#ifndef _POSIX_C_SOURCE
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#define _POSIX_C_SOURCE 200809L
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#endif
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wayland-server-core.h>
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#include <types/wlr_tablet_v2.h>
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#include <wlr/config.h>
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#include <wlr/types/wlr_seat.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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#include "util/signal.h"
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#define TABLET_MANAGER_VERSION 1
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struct wlr_tablet_manager_client_v2 {
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struct wl_list link;
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struct wl_client *client;
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struct wl_resource *resource;
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struct wlr_tablet_manager_v2 *manager;
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struct wl_list tablet_seats; // wlr_tablet_seat_client_v2::link
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};
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static void tablet_seat_destroy(struct wlr_tablet_seat_v2 *seat) {
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struct wlr_tablet_seat_client_v2 *client, *client_tmp;
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wl_list_for_each_safe(client, client_tmp, &seat->clients, seat_link) {
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tablet_seat_client_v2_destroy(client->resource);
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}
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wl_list_remove(&seat->link);
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wl_list_remove(&seat->seat_destroy.link);
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free(seat);
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}
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static void handle_wlr_seat_destroy(struct wl_listener *listener, void *data) {
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struct wlr_tablet_seat_v2 *seat =
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wl_container_of(listener, seat, seat_destroy);
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tablet_seat_destroy(seat);
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}
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static struct wlr_tablet_seat_v2 *create_tablet_seat(
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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_tablet_seat_v2 *tablet_seat =
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calloc(1, sizeof(struct wlr_tablet_seat_v2));
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if (!tablet_seat) {
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return NULL;
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}
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tablet_seat->manager = manager;
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tablet_seat->wlr_seat = wlr_seat;
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wl_list_init(&tablet_seat->clients);
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wl_list_init(&tablet_seat->tablets);
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wl_list_init(&tablet_seat->tools);
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wl_list_init(&tablet_seat->pads);
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tablet_seat->seat_destroy.notify = handle_wlr_seat_destroy;
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wl_signal_add(&wlr_seat->events.destroy, &tablet_seat->seat_destroy);
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wl_list_insert(&manager->seats, &tablet_seat->link);
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return tablet_seat;
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}
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struct wlr_tablet_seat_v2 *get_or_create_tablet_seat(
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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_tablet_seat_v2 *pos;
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wl_list_for_each(pos, &manager->seats, link) {
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if (pos->wlr_seat == wlr_seat) {
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return pos;
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}
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}
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return create_tablet_seat(manager, wlr_seat);
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}
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static void tablet_seat_handle_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_seat_v2_interface seat_impl = {
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.destroy = tablet_seat_handle_destroy,
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};
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struct wlr_tablet_seat_client_v2 *tablet_seat_client_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &zwp_tablet_seat_v2_interface,
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&seat_impl));
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return wl_resource_get_user_data(resource);
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}
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void tablet_seat_client_v2_destroy(struct wl_resource *resource) {
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struct wlr_tablet_seat_client_v2 *seat = tablet_seat_client_from_resource(resource);
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if (!seat) {
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return;
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}
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struct wlr_tablet_client_v2 *tablet;
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struct wlr_tablet_client_v2 *tmp_tablet;
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wl_list_for_each_safe(tablet, tmp_tablet, &seat->tablets, seat_link) {
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destroy_tablet_v2(tablet->resource);
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}
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struct wlr_tablet_pad_client_v2 *pad;
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struct wlr_tablet_pad_client_v2 *tmp_pad;
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wl_list_for_each_safe(pad, tmp_pad, &seat->pads, seat_link) {
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destroy_tablet_pad_v2(pad->resource);
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}
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struct wlr_tablet_tool_client_v2 *tool;
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struct wlr_tablet_tool_client_v2 *tmp_tool;
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wl_list_for_each_safe(tool, tmp_tool, &seat->tools, seat_link) {
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destroy_tablet_tool_v2(tool->resource);
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}
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wl_list_remove(&seat->seat_link);
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wl_list_remove(&seat->client_link);
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wl_list_remove(&seat->seat_client_destroy.link);
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free(seat);
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wl_resource_set_user_data(resource, NULL);
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}
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static void handle_seat_client_destroy(struct wl_listener *listener, void *data) {
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struct wlr_tablet_seat_client_v2 *seat =
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wl_container_of(listener, seat, seat_client_destroy);
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tablet_seat_client_v2_destroy(seat->resource);
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}
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static void tablet_manager_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 struct wlr_tablet_manager_client_v2 *tablet_manager_client_from_resource(
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struct wl_resource *resource);
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static void get_tablet_seat(struct wl_client *wl_client, struct wl_resource *resource,
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uint32_t id, struct wl_resource *seat_resource) {
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struct wlr_tablet_manager_client_v2 *manager =
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tablet_manager_client_from_resource(resource);
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if (!manager) {
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/* Inert manager, just set up the resource for later
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* destruction, without allocations or advertising things
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*/
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wl_resource_set_implementation(seat_resource, &seat_impl, NULL,
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tablet_seat_client_v2_destroy);
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return;
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}
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struct wlr_seat_client *seat = wlr_seat_client_from_resource(seat_resource);
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struct wlr_tablet_seat_v2 *tablet_seat =
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get_or_create_tablet_seat(manager->manager, seat->seat);
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if (!tablet_seat) { // This can only happen when we ran out of memory
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wl_client_post_no_memory(wl_client);
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return;
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}
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struct wlr_tablet_seat_client_v2 *seat_client =
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calloc(1, sizeof(struct wlr_tablet_seat_client_v2));
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if (seat_client == NULL) {
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wl_client_post_no_memory(wl_client);
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return;
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}
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seat_client->resource =
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wl_resource_create(wl_client, &zwp_tablet_seat_v2_interface, TABLET_MANAGER_VERSION, id);
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if (seat_client->resource == NULL) {
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free(seat_client);
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wl_client_post_no_memory(wl_client);
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return;
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}
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wl_resource_set_implementation(seat_client->resource, &seat_impl, seat_client,
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tablet_seat_client_v2_destroy);
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seat_client->seat_client = seat;
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seat_client->client = manager;
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seat_client->wl_client = wl_client;
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wl_list_init(&seat_client->tools);
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wl_list_init(&seat_client->tablets);
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wl_list_init(&seat_client->pads);
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seat_client->seat_client_destroy.notify = handle_seat_client_destroy;
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wl_signal_add(&seat->events.destroy, &seat_client->seat_client_destroy);
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wl_list_insert(&manager->tablet_seats, &seat_client->client_link);
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wl_list_insert(&tablet_seat->clients, &seat_client->seat_link);
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// We need to emit the devices already on the seat
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struct wlr_tablet_v2_tablet *tablet_pos;
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wl_list_for_each(tablet_pos, &tablet_seat->tablets, link) {
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add_tablet_client(seat_client, tablet_pos);
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}
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struct wlr_tablet_v2_tablet_pad *pad_pos;
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wl_list_for_each(pad_pos, &tablet_seat->pads, link) {
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add_tablet_pad_client(seat_client, pad_pos);
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}
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struct wlr_tablet_v2_tablet_tool *tool_pos;
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wl_list_for_each(tool_pos, &tablet_seat->tools, link) {
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add_tablet_tool_client(seat_client, tool_pos);
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}
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}
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static const struct zwp_tablet_manager_v2_interface manager_impl = {
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.get_tablet_seat = get_tablet_seat,
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.destroy = tablet_manager_destroy,
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};
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static struct wlr_tablet_manager_client_v2 *tablet_manager_client_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &zwp_tablet_manager_v2_interface,
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&manager_impl));
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return wl_resource_get_user_data(resource);
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}
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static void wlr_tablet_manager_v2_destroy(struct wl_resource *resource) {
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struct wlr_tablet_manager_client_v2 *client =
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tablet_manager_client_from_resource(resource);
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if (!client) {
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return;
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}
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struct wlr_tablet_seat_client_v2 *pos;
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struct wlr_tablet_seat_client_v2 *tmp;
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wl_list_for_each_safe(pos, tmp, &client->tablet_seats, client_link) {
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tablet_seat_client_v2_destroy(pos->resource);
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}
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wl_list_remove(&client->link);
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free(client);
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wl_resource_set_user_data(resource, NULL);
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}
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static void tablet_v2_bind(struct wl_client *wl_client, void *data,
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uint32_t version, uint32_t id) {
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struct wlr_tablet_manager_v2 *manager = data;
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assert(wl_client && manager);
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struct wlr_tablet_manager_client_v2 *client =
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calloc(1, sizeof(struct wlr_tablet_manager_client_v2));
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if (client == NULL) {
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wl_client_post_no_memory(wl_client);
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return;
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}
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wl_list_init(&client->tablet_seats);
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client->resource =
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wl_resource_create(wl_client, &zwp_tablet_manager_v2_interface, version, id);
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if (client->resource == NULL) {
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free(client);
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wl_client_post_no_memory(wl_client);
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return;
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}
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client->client = wl_client;
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client->manager = manager;
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wl_resource_set_implementation(client->resource, &manager_impl, client,
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wlr_tablet_manager_v2_destroy);
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wl_list_insert(&manager->clients, &client->link);
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}
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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struct wlr_tablet_manager_v2 *manager =
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wl_container_of(listener, manager, display_destroy);
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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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wl_global_destroy(manager->wl_global);
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free(manager);
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}
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struct wlr_tablet_manager_v2 *wlr_tablet_v2_create(struct wl_display *display) {
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struct wlr_tablet_manager_v2 *tablet =
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calloc(1, sizeof(struct wlr_tablet_manager_v2));
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if (!tablet) {
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return NULL;
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}
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tablet->wl_global = wl_global_create(display,
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&zwp_tablet_manager_v2_interface, TABLET_MANAGER_VERSION,
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tablet, tablet_v2_bind);
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if (tablet->wl_global == NULL) {
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free(tablet);
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return NULL;
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}
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wl_signal_init(&tablet->events.destroy);
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wl_list_init(&tablet->clients);
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wl_list_init(&tablet->seats);
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tablet->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &tablet->display_destroy);
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return tablet;
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}
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