diff --git a/types/wlr_tablet_v2.c b/types/wlr_tablet_v2.c deleted file mode 100644 index 48de6b68..00000000 --- a/types/wlr_tablet_v2.c +++ /dev/null @@ -1,1517 +0,0 @@ -#ifndef _POSIX_C_SOURCE -#define _POSIX_C_SOURCE 200809L -#endif - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "tablet-unstable-v2-protocol.h" - -struct wlr_tablet_seat_v2 { - struct wl_list link; - struct wlr_seat *wlr_seat; - struct wlr_tablet_manager_v2 *manager; - - struct wl_list tablets; // wlr_tablet_v2_tablet::link - struct wl_list tools; - struct wl_list pads; - - struct wl_list clients; //wlr_tablet_seat_v2_client::link; - - struct wl_listener seat_destroy; -}; - -struct wlr_tablet_manager_client_v2 { - struct wl_list link; - struct wl_client *client; - struct wl_resource *resource; - struct wlr_tablet_manager_v2 *manager; - - struct wl_listener client_destroy; - struct wl_list tablet_seats; // wlr_tablet_seat_client_v2::link -}; - -struct wlr_tablet_seat_client_v2 { - struct wl_list seat_link; - struct wl_list client_link; - struct wl_client *wl_client; - struct wl_resource *resource; - - struct wlr_tablet_manager_client_v2 *client; - struct wlr_seat_client *seat; - - struct wl_listener seat_client_destroy; - - struct wl_list tools; //wlr_tablet_tool_client_v2::link - struct wl_list tablets; //wlr_tablet_client_v2::link - struct wl_list pads; //wlr_tablet_pad_client_v2::link -}; - -struct wlr_tablet_client_v2 { - struct wl_list seat_link; // wlr_tablet_seat_client_v2::tablet - struct wl_list tablet_link; // wlr_tablet_v2_tablet::clients - struct wl_client *client; - struct wl_resource *resource; -}; - -struct wlr_tablet_tool_client_v2 { - struct wl_list seat_link; - struct wl_list tool_link; - struct wl_client *client; - struct wl_resource *resource; - struct wlr_tablet_v2_tablet_tool *tool; - struct wlr_tablet_seat_client_v2 *seat; - - uint32_t proximity_serial; - - struct wl_event_source *frame_source; -}; - -struct wlr_tablet_pad_client_v2 { - struct wl_list seat_link; - struct wl_list pad_link; - struct wl_client *client; - struct wl_resource *resource; - struct wlr_tablet_v2_tablet_pad *pad; - - uint32_t enter_serial; - uint32_t mode_serial; - uint32_t leave_serial; - - size_t button_count; - - size_t group_count; - struct wl_resource **groups; - - size_t ring_count; - struct wl_resource **rings; - - size_t strip_count; - struct wl_resource **strips; -}; - -struct tablet_pad_auxiliary_user_data { - struct wlr_tablet_pad_client_v2 *pad; - size_t index; -}; - -static struct zwp_tablet_v2_interface tablet_impl; - -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); -} - -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 struct zwp_tablet_v2_interface tablet_impl = { - .destroy = handle_tablet_v2_destroy, -}; - -static void handle_wlr_seat_destroy(struct wl_listener *listener, void *data) { - struct wlr_tablet_seat_v2 *seat = - wl_container_of(listener, seat, seat_destroy); - - wl_list_remove(&seat->link); - wl_list_remove(&seat->seat_destroy.link); - - struct wlr_tablet_seat_client_v2 *client; - struct wlr_tablet_seat_client_v2 *tmp; - wl_list_for_each_safe(client, tmp, &seat->clients, seat_link) { - wlr_tablet_seat_client_v2_destroy(client->resource); - } -} - -static struct wlr_tablet_seat_v2 *make_tablet_seat( - struct wlr_tablet_manager_v2 *manager, - struct wlr_seat *wlr_seat) { - struct wlr_tablet_seat_v2 *tablet_seat = - calloc(1, sizeof(struct wlr_tablet_seat_v2)); - if (!tablet_seat) { - return NULL; - } - - tablet_seat->manager = manager; - tablet_seat->wlr_seat = wlr_seat; - - wl_list_init(&tablet_seat->clients); - - wl_list_init(&tablet_seat->tablets); - wl_list_init(&tablet_seat->tools); - wl_list_init(&tablet_seat->pads); - - tablet_seat->seat_destroy.notify = handle_wlr_seat_destroy; - wl_signal_add(&wlr_seat->events.destroy, &tablet_seat->seat_destroy); - - wl_list_insert(&manager->seats, &tablet_seat->link); - return tablet_seat; -} - -static struct wlr_tablet_seat_v2 *get_or_make_tablet_seat( - struct wlr_tablet_manager_v2 *manager, - struct wlr_seat *wlr_seat) { - struct wlr_tablet_seat_v2 *pos; - wl_list_for_each(pos, &manager->seats, link) { - if (pos->wlr_seat == wlr_seat) { - return pos; - } - } - - return make_tablet_seat(manager, wlr_seat); -} - -static 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; - } - - client->resource = - wl_resource_create(seat->wl_client, &zwp_tablet_v2_interface, 1, 0); - if (!client->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_tool->name) { - zwp_tablet_v2_send_name(client->resource, tablet->wlr_tool->name); - } - zwp_tablet_v2_send_id(client->resource, - tablet->wlr_device->vendor, tablet->wlr_device->product); - for (size_t i = 0; i < tablet->wlr_tool->paths.length; ++i) { - zwp_tablet_v2_send_path(client->resource, - tablet->wlr_tool->paths.items[i]); - } - 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); -} - -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) { - // XXX: Add a timer/flag to destroy if client is slow? - 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); -} - -static const struct wlr_surface_role pointer_cursor_surface_role = { - .name = "wl_pointer-cursor", -}; - -static void handle_tablet_tool_v2_set_cursor(struct wl_client *client, - struct wl_resource *resource, uint32_t serial, - struct wl_resource *surface_resource, - int32_t hotspot_x, int32_t hotspot_y) { - struct wlr_tablet_tool_client_v2 *tool = tablet_tool_client_from_resource(resource); - if (!tool) { - return; - } - - struct wlr_surface *surface = NULL; - if (surface_resource != NULL) { - surface = wlr_surface_from_resource(surface_resource); - if (!wlr_surface_set_role(surface, &pointer_cursor_surface_role, NULL, - surface_resource, WL_POINTER_ERROR_ROLE)) { - return; - } - } - - struct wlr_tablet_v2_event_cursor evt = { - .surface = surface, - .serial = serial, - .hotspot_x = hotspot_x, - .hotspot_y = hotspot_y, - .seat_client = tool->seat->seat, - }; - - wl_signal_emit(&tool->tool->events.set_cursor, &evt); -} - -static void handle_tablet_tool_v2_destroy(struct wl_client *client, - struct wl_resource *resource) { - wl_resource_destroy(resource); -} -static struct zwp_tablet_tool_v2_interface tablet_tool_impl = { - .set_cursor = handle_tablet_tool_v2_set_cursor, - .destroy = handle_tablet_tool_v2_destroy, -}; - -static enum zwp_tablet_tool_v2_type tablet_type_from_wlr_type( - enum wlr_tablet_tool_type wlr_type) { - switch(wlr_type) { - case WLR_TABLET_TOOL_TYPE_PEN: - return ZWP_TABLET_TOOL_V2_TYPE_PEN; - case WLR_TABLET_TOOL_TYPE_ERASER: - return ZWP_TABLET_TOOL_V2_TYPE_ERASER; - case WLR_TABLET_TOOL_TYPE_BRUSH: - return ZWP_TABLET_TOOL_V2_TYPE_BRUSH; - case WLR_TABLET_TOOL_TYPE_PENCIL: - return ZWP_TABLET_TOOL_V2_TYPE_PENCIL; - case WLR_TABLET_TOOL_TYPE_AIRBRUSH: - return ZWP_TABLET_TOOL_V2_TYPE_AIRBRUSH; - case WLR_TABLET_TOOL_TYPE_MOUSE: - return ZWP_TABLET_TOOL_V2_TYPE_MOUSE; - case WLR_TABLET_TOOL_TYPE_LENS: - return ZWP_TABLET_TOOL_V2_TYPE_LENS; - } - - assert(false && "Unreachable"); -} - -void destroy_tablet_tool_v2(struct wl_resource *resource) { - struct wlr_tablet_tool_client_v2 *client = - tablet_tool_client_from_resource(resource); - - if (!client) { - return; - } - - if (client->frame_source) { - wl_event_source_remove(client->frame_source); - } - - if (client->tool && client->tool->current_client == client) { - client->tool->current_client = NULL; - } - - wl_list_remove(&client->seat_link); - wl_list_remove(&client->tool_link); - free(client); - - wl_resource_set_user_data(resource, NULL); -} - -static void add_tablet_tool_client(struct wlr_tablet_seat_client_v2 *seat, - struct wlr_tablet_v2_tablet_tool *tool) { - struct wlr_tablet_tool_client_v2 *client = - calloc(1, sizeof(struct wlr_tablet_tool_client_v2)); - if (!client) { - return; - } - client->tool = tool; - client->seat = seat; - - client->resource = - wl_resource_create(seat->wl_client, &zwp_tablet_tool_v2_interface, 1, 0); - if (!client->resource) { - free(client); - return; - } - wl_resource_set_implementation(client->resource, &tablet_tool_impl, - client, destroy_tablet_tool_v2); - zwp_tablet_seat_v2_send_tool_added(seat->resource, client->resource); - - // Send the expected events - if (tool->wlr_tool->hardware_serial) { - zwp_tablet_tool_v2_send_hardware_serial( - client->resource, - tool->wlr_tool->hardware_serial >> 32, - tool->wlr_tool->hardware_serial & 0xFFFFFFFF); - } - if (tool->wlr_tool->hardware_wacom) { - zwp_tablet_tool_v2_send_hardware_id_wacom( - client->resource, - tool->wlr_tool->hardware_wacom >> 32, - tool->wlr_tool->hardware_wacom & 0xFFFFFFFF); - } - zwp_tablet_tool_v2_send_type(client->resource, - tablet_type_from_wlr_type(tool->wlr_tool->type)); - - if (tool->wlr_tool->tilt) { - zwp_tablet_tool_v2_send_capability(client->resource, - ZWP_TABLET_TOOL_V2_CAPABILITY_TILT); - } - - if (tool->wlr_tool->pressure) { - zwp_tablet_tool_v2_send_capability(client->resource, - ZWP_TABLET_TOOL_V2_CAPABILITY_PRESSURE); - } - - if (tool->wlr_tool->distance) { - zwp_tablet_tool_v2_send_capability(client->resource, - ZWP_TABLET_TOOL_V2_CAPABILITY_DISTANCE); - } - - if (tool->wlr_tool->rotation) { - zwp_tablet_tool_v2_send_capability(client->resource, - ZWP_TABLET_TOOL_V2_CAPABILITY_ROTATION); - } - - if (tool->wlr_tool->slider) { - zwp_tablet_tool_v2_send_capability(client->resource, - ZWP_TABLET_TOOL_V2_CAPABILITY_SLIDER); - } - - if (tool->wlr_tool->wheel) { - zwp_tablet_tool_v2_send_capability(client->resource, - ZWP_TABLET_TOOL_V2_CAPABILITY_WHEEL); - } - - zwp_tablet_tool_v2_send_done(client->resource); - - client->client = seat->wl_client; - wl_list_insert(&seat->tools, &client->seat_link); - wl_list_insert(&tool->clients, &client->tool_link); -} - -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_make_tablet_seat(manager, wlr_seat); - if (!seat) { - return NULL; - } - struct wlr_tablet_tool *tool = wlr_device->tablet_tool; - struct wlr_tablet_v2_tablet *tablet = calloc(1, sizeof(struct wlr_tablet_v2_tablet)); - if (!tablet) { - return NULL; - } - - tablet->wlr_tool = tool; - 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; -} - -static void handle_wlr_tablet_tool_destroy(struct wl_listener *listener, void *data) { - struct wlr_tablet_v2_tablet_tool *tool = - wl_container_of(listener, tool, tool_destroy); - - struct wlr_tablet_tool_client_v2 *pos; - struct wlr_tablet_tool_client_v2 *tmp; - wl_list_for_each_safe(pos, tmp, &tool->clients, tool_link) { - // XXX: Add a timer/flag to destroy if client is slow? - zwp_tablet_tool_v2_send_removed(pos->resource); - pos->tool = NULL; - } - - wl_list_remove(&tool->clients); - wl_list_remove(&tool->link); - wl_list_remove(&tool->tool_destroy.link); - wl_list_remove(&tool->events.set_cursor.listener_list); - free(tool); -} - -struct wlr_tablet_v2_tablet_tool *wlr_tablet_tool_create( - struct wlr_tablet_manager_v2 *manager, - struct wlr_seat *wlr_seat, - struct wlr_tablet_tool_tool *wlr_tool) { - struct wlr_tablet_seat_v2 *seat = get_or_make_tablet_seat(manager, wlr_seat); - if (!seat) { - return NULL; - } - struct wlr_tablet_v2_tablet_tool *tool = - calloc(1, sizeof(struct wlr_tablet_v2_tablet_tool)); - if (!tool) { - return NULL; - } - - tool->wlr_tool = wlr_tool; - wl_list_init(&tool->clients); - - - tool->tool_destroy.notify = handle_wlr_tablet_tool_destroy; - wl_signal_add(&wlr_tool->events.destroy, &tool->tool_destroy); - wl_list_insert(&seat->tools, &tool->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_tool_client(pos, tool); - } - - wl_signal_init(&tool->events.set_cursor); - - return tool; -} - -static struct zwp_tablet_pad_v2_interface tablet_pad_impl; - -struct wlr_tablet_pad_client_v2 *tablet_pad_client_from_resource(struct wl_resource *resource) { - assert(wl_resource_instance_of(resource, &zwp_tablet_pad_v2_interface, - &tablet_pad_impl)); - return wl_resource_get_user_data(resource); -} - - -void destroy_tablet_pad_v2(struct wl_resource *resource) { - struct wlr_tablet_pad_client_v2 *pad = - tablet_pad_client_from_resource(resource); - - if (!pad) { - return; - } - - wl_list_remove(&pad->seat_link); - wl_list_remove(&pad->pad_link); - - /* This isn't optimal, if the client destroys the resources in another - * order, it will be disconnected. - * But this makes things *way* easier for us, and (untested) I doubt - * clients will destroy it in another order. - */ - for (size_t i = 0; i < pad->group_count; ++i) { - if (pad->groups[i]) { - wl_resource_destroy(pad->groups[i]); - } - } - free(pad->groups); - - for (size_t i = 0; i < pad->ring_count; ++i) { - if (pad->rings[i]) { - wl_resource_destroy(pad->rings[i]); - } - } - free(pad->rings); - - for (size_t i = 0; i < pad->strip_count; ++i) { - if (pad->strips[i]) { - wl_resource_destroy(pad->strips[i]); - } - } - free(pad->strips); - - free(pad); - wl_resource_set_user_data(resource, NULL); -} - -static void handle_tablet_pad_v2_destroy(struct wl_client *client, - struct wl_resource *resource) { - wl_resource_destroy(resource); -} - -static void destroy_tablet_pad_ring_v2(struct wl_resource *resource) { - struct tablet_pad_auxiliary_user_data *aux = wl_resource_get_user_data(resource); - - if (!aux) { - return; - } - - aux->pad->rings[aux->index] = NULL; - free(aux); - wl_resource_set_user_data(resource, NULL); -} -static void handle_tablet_pad_ring_v2_set_feedback(struct wl_client *client, - struct wl_resource *resource, const char *description, - uint32_t serial) { - struct tablet_pad_auxiliary_user_data *aux = wl_resource_get_user_data(resource); - if (!aux) { - return; - } - - struct wlr_tablet_v2_event_feedback evt = { - .serial = serial, - .description = description, - .index = aux->index - }; - - wl_signal_emit(&aux->pad->pad->events.ring_feedback, &evt); -} - -static void handle_tablet_pad_ring_v2_destroy(struct wl_client *client, - struct wl_resource *resource) { - wl_resource_destroy(resource); -} - -static struct zwp_tablet_pad_ring_v2_interface tablet_pad_ring_impl = { - .set_feedback = handle_tablet_pad_ring_v2_set_feedback, - .destroy = handle_tablet_pad_ring_v2_destroy, -}; - -static void destroy_tablet_pad_strip_v2(struct wl_resource *resource) { - struct tablet_pad_auxiliary_user_data *aux = wl_resource_get_user_data(resource); - if (!aux) { - return; - } - - aux->pad->strips[aux->index] = NULL; - free(aux); - wl_resource_set_user_data(resource, NULL); -} - -static void handle_tablet_pad_strip_v2_set_feedback(struct wl_client *client, - struct wl_resource *resource, const char *description, - uint32_t serial) { - struct tablet_pad_auxiliary_user_data *aux = wl_resource_get_user_data(resource); - if (!aux) { - return; - } - - struct wlr_tablet_v2_event_feedback evt = { - .serial = serial, - .description = description, - .index = aux->index - }; - - wl_signal_emit(&aux->pad->pad->events.strip_feedback, &evt); -} - -static void handle_tablet_pad_strip_v2_destroy(struct wl_client *client, - struct wl_resource *resource) { - wl_resource_destroy(resource); -} - -static struct zwp_tablet_pad_strip_v2_interface tablet_pad_strip_impl = { - .set_feedback = handle_tablet_pad_strip_v2_set_feedback, - .destroy = handle_tablet_pad_strip_v2_destroy, -}; - -static void handle_tablet_pad_v2_set_feedback( struct wl_client *client, - struct wl_resource *resource, uint32_t button, - const char *description, uint32_t serial) { - struct wlr_tablet_pad_client_v2 *pad = tablet_pad_client_from_resource(resource); - if (!pad) { - return; - } - - struct wlr_tablet_v2_event_feedback evt = { - .serial = serial, - .index = button, - .description = description, - }; - - wl_signal_emit(&pad->pad->events.button_feedback, &evt); -} - -static struct zwp_tablet_pad_v2_interface tablet_pad_impl = { - .set_feedback = handle_tablet_pad_v2_set_feedback, - .destroy = handle_tablet_pad_v2_destroy, -}; - -static void destroy_tablet_pad_group_v2(struct wl_resource *resource) { - struct tablet_pad_auxiliary_user_data *aux = wl_resource_get_user_data(resource); - - if (!aux) { - return; - } - - aux->pad->groups[aux->index] = NULL; - free(aux); - wl_resource_set_user_data(resource, NULL); -} - -static void handle_tablet_pad_group_v2_destroy(struct wl_client *client, - struct wl_resource *resource) { - wl_resource_destroy(resource); -} - -static struct zwp_tablet_pad_group_v2_interface tablet_pad_group_impl = { - .destroy = handle_tablet_pad_group_v2_destroy, -}; - -static void add_tablet_pad_group(struct wlr_tablet_v2_tablet_pad *pad, - struct wlr_tablet_pad_client_v2 *client, - struct wlr_tablet_pad_group *group, size_t index) { - client->groups[index] = - wl_resource_create(client->client, &zwp_tablet_pad_group_v2_interface, 1, 0); - if (!client->groups[index]) { - wl_client_post_no_memory(client->client); - return; - } - struct tablet_pad_auxiliary_user_data *user_data = - calloc(1, sizeof(struct tablet_pad_auxiliary_user_data)); - if (!user_data) { - return; - } - user_data->pad = client; - user_data->index = index; - wl_resource_set_implementation(client->groups[index], &tablet_pad_group_impl, - user_data, destroy_tablet_pad_group_v2); - - zwp_tablet_pad_v2_send_group(client->resource, client->groups[index]); - zwp_tablet_pad_group_v2_send_modes(client->groups[index], group->mode_count); - - struct wl_array button_array; - wl_array_init(&button_array); - wl_array_add(&button_array, group->button_count * sizeof(int)); - memcpy(button_array.data, group->buttons, group->button_count * sizeof(int)); - zwp_tablet_pad_group_v2_send_buttons(client->groups[index], &button_array); - wl_array_release(&button_array); - - client->strip_count = group->strip_count; - for (size_t i = 0; i < group->strip_count; ++i) { - size_t strip = group->strips[i]; - struct tablet_pad_auxiliary_user_data *user_data = - calloc(1, sizeof(struct tablet_pad_auxiliary_user_data)); - if (!user_data) { - continue; - } - user_data->pad = client; - user_data->index = strip; - client->strips[strip] = - wl_resource_create(client->client, &zwp_tablet_pad_strip_v2_interface, 1, 0); - wl_resource_set_implementation(client->strips[strip], - &tablet_pad_strip_impl, user_data, destroy_tablet_pad_strip_v2); - zwp_tablet_pad_group_v2_send_strip(client->groups[index], client->strips[strip]); - } - - client->ring_count = group->ring_count; - for (size_t i = 0; i < group->ring_count; ++i) { - size_t ring = group->rings[i]; - struct tablet_pad_auxiliary_user_data *user_data = - calloc(1, sizeof(struct tablet_pad_auxiliary_user_data)); - if (!user_data) { - continue; - } - user_data->pad = client; - user_data->index = ring; - client->rings[ring] = - wl_resource_create(client->client, &zwp_tablet_pad_ring_v2_interface, 1, 0); - wl_resource_set_implementation(client->rings[ring], - &tablet_pad_ring_impl, user_data, destroy_tablet_pad_ring_v2); - zwp_tablet_pad_group_v2_send_ring(client->groups[index], client->rings[ring]); - } - - zwp_tablet_pad_group_v2_send_done(client->groups[index]); -} - -static void add_tablet_pad_client(struct wlr_tablet_seat_client_v2 *seat, - struct wlr_tablet_v2_tablet_pad *pad) { - struct wlr_tablet_pad_client_v2 *client = - calloc(1, sizeof(struct wlr_tablet_pad_client_v2)); - if (!client) { - wl_client_post_no_memory(seat->wl_client); - return; - } - client->pad = pad; - - client->groups = calloc(sizeof(int), wl_list_length(&pad->wlr_pad->groups)); - if (!client->groups) { - wl_client_post_no_memory(seat->wl_client); - free(client); - return; - } - - client->rings = calloc(sizeof(struct wl_resource*), pad->wlr_pad->ring_count); - if (!client->rings) { - wl_client_post_no_memory(seat->wl_client); - free(client->groups); - free(client); - return; - } - - client->strips = calloc(sizeof(struct wl_resource*), pad->wlr_pad->strip_count); - if (!client->strips) { - wl_client_post_no_memory(seat->wl_client); - free(client->groups); - free(client->rings); - free(client); - return; - } - - client->resource = - wl_resource_create(seat->wl_client, &zwp_tablet_pad_v2_interface, 1, 0); - if (!client->resource) { - wl_client_post_no_memory(seat->wl_client); - free(client->groups); - free(client->rings); - free(client->strips); - free(client); - return; - } - wl_resource_set_implementation(client->resource, &tablet_pad_impl, - client, destroy_tablet_pad_v2); - zwp_tablet_seat_v2_send_pad_added(seat->resource, client->resource); - client->client = seat->wl_client; - - // Send the expected events - if (pad->wlr_pad->button_count) { - zwp_tablet_pad_v2_send_buttons(client->resource, pad->wlr_pad->button_count); - } - for (size_t i = 0; i < pad->wlr_pad->paths.length; ++i) { - zwp_tablet_pad_v2_send_path(client->resource, - pad->wlr_pad->paths.items[i]); - } - size_t i = 0; - struct wlr_tablet_pad_group *group; - wl_list_for_each(group, &pad->wlr_pad->groups, link) { - add_tablet_pad_group(pad, client, group, i++); - } - zwp_tablet_pad_v2_send_done(client->resource); - - wl_list_insert(&seat->pads, &client->seat_link); - wl_list_insert(&pad->clients, &client->pad_link); -} - -static void handle_wlr_tablet_pad_destroy(struct wl_listener *listener, void *data) { - struct wlr_tablet_v2_tablet_pad *pad = - wl_container_of(listener, pad, pad_destroy); - - struct wlr_tablet_pad_client_v2 *pos; - struct wlr_tablet_pad_client_v2 *tmp; - wl_list_for_each_safe(pos, tmp, &pad->clients, pad_link) { - // XXX: Add a timer/flag to destroy if client is slow? - zwp_tablet_pad_v2_send_removed(pos->resource); - - for (size_t i = 0; i < pos->group_count; ++i) { - destroy_tablet_pad_group_v2(pos->groups[i]); - } - - for (size_t i = 0; i < pos->strip_count; ++i) { - destroy_tablet_pad_strip_v2(pos->strips[i]); - } - - for (size_t i = 0; i < pos->ring_count; ++i) { - destroy_tablet_pad_ring_v2(pos->rings[i]); - } - } - - wl_list_remove(&pad->clients); - wl_list_remove(&pad->link); - wl_list_remove(&pad->pad_destroy.link); - wl_list_remove(&pad->events.button_feedback.listener_list); - wl_list_remove(&pad->events.strip_feedback.listener_list); - wl_list_remove(&pad->events.ring_feedback.listener_list); - free(pad); -} - -struct wlr_tablet_v2_tablet_pad *wlr_tablet_pad_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_PAD); - struct wlr_tablet_seat_v2 *seat = get_or_make_tablet_seat(manager, wlr_seat); - if (!seat) { - return NULL; - } - struct wlr_tablet_pad *wlr_pad = wlr_device->tablet_pad; - struct wlr_tablet_v2_tablet_pad *pad = calloc(1, sizeof(struct wlr_tablet_v2_tablet_pad)); - if (!pad) { - return NULL; - } - - pad->group_count = wl_list_length(&wlr_pad->groups); - pad->groups = calloc(pad->group_count, sizeof(int)); - if (!pad->groups) { - free(pad); - return NULL; - } - - pad->wlr_pad = wlr_pad; - wl_list_init(&pad->clients); - - pad->pad_destroy.notify = handle_wlr_tablet_pad_destroy; - wl_signal_add(&wlr_device->events.destroy, &pad->pad_destroy); - wl_list_insert(&seat->pads, &pad->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_pad_client(pos, pad); - } - - wl_signal_init(&pad->events.button_feedback); - wl_signal_init(&pad->events.strip_feedback); - wl_signal_init(&pad->events.ring_feedback); - - return pad; -} - -void wlr_tablet_v2_destroy(struct wlr_tablet_manager_v2 *manager); -static struct wlr_tablet_manager_client_v2 *tablet_manager_client_from_resource(struct wl_resource *resource); - -static void tablet_seat_destroy(struct wl_client *client, - struct wl_resource *resource) { - wl_resource_destroy(resource); -} - -static struct zwp_tablet_seat_v2_interface seat_impl = { - .destroy = tablet_seat_destroy, -}; - -struct wlr_tablet_seat_client_v2 *tablet_seat_client_from_resource( - struct wl_resource *resource) { - assert(wl_resource_instance_of(resource, &zwp_tablet_seat_v2_interface, - &seat_impl)); - return wl_resource_get_user_data(resource); -} - -void wlr_tablet_seat_client_v2_destroy(struct wl_resource *resource) { - struct wlr_tablet_seat_client_v2 *seat = tablet_seat_client_from_resource(resource); - if (!seat) { - return; - } - - struct wlr_tablet_client_v2 *tablet; - struct wlr_tablet_client_v2 *tmp_tablet; - wl_list_for_each_safe(tablet, tmp_tablet, &seat->tablets, seat_link) { - destroy_tablet_v2(tablet->resource); - } - - struct wlr_tablet_pad_client_v2 *pad; - struct wlr_tablet_pad_client_v2 *tmp_pad; - wl_list_for_each_safe(pad, tmp_pad, &seat->pads, seat_link) { - destroy_tablet_pad_v2(pad->resource); - } - - struct wlr_tablet_tool_client_v2 *tool; - struct wlr_tablet_tool_client_v2 *tmp_tool; - wl_list_for_each_safe(tool, tmp_tool, &seat->tools, seat_link) { - destroy_tablet_tool_v2(tool->resource); - } - - wl_list_remove(&seat->seat_link); - wl_list_remove(&seat->client_link); - wl_list_remove(&seat->seat_client_destroy.link); - - free(seat); - wl_resource_set_user_data(resource, NULL); -} - -static void handle_seat_client_destroy(struct wl_listener *listener, void *data) { - struct wlr_tablet_seat_client_v2 *seat = - wl_container_of(listener, seat, seat_client_destroy); - wlr_tablet_seat_client_v2_destroy(seat->resource); -} - -static void tablet_manager_destroy(struct wl_client *client, - struct wl_resource *resource) { - wl_resource_destroy(resource); -} - -static void get_tablet_seat(struct wl_client *wl_client, struct wl_resource *resource, - uint32_t id, struct wl_resource *seat_resource) -{ - struct wlr_tablet_manager_client_v2 *manager = tablet_manager_client_from_resource(resource); - struct wlr_seat_client *seat = wlr_seat_client_from_resource(seat_resource); - struct wlr_tablet_seat_v2 *tablet_seat = - get_or_make_tablet_seat(manager->manager, seat->seat); - - if (!tablet_seat) {// This can only happen when we ran out of memory - wl_client_post_no_memory(wl_client); - return; - } - - struct wlr_tablet_seat_client_v2 *seat_client = - calloc(1, sizeof(struct wlr_tablet_seat_client_v2)); - if (tablet_seat == NULL) { - wl_client_post_no_memory(wl_client); - return; - } - - seat_client->resource = - wl_resource_create(wl_client, &zwp_tablet_seat_v2_interface, 1, id); - if (seat_client->resource == NULL) { - free(seat_client); - wl_client_post_no_memory(wl_client); - return; - } - wl_resource_set_implementation(seat_client->resource, &seat_impl, seat_client, - wlr_tablet_seat_client_v2_destroy); - - - seat_client->seat = seat; - seat_client->client = manager; - seat_client->wl_client = wl_client; - wl_list_init(&seat_client->tools); - wl_list_init(&seat_client->tablets); - wl_list_init(&seat_client->pads); - - seat_client->seat_client_destroy.notify = handle_seat_client_destroy; - wl_signal_add(&seat->events.destroy, &seat_client->seat_client_destroy); - - wl_list_insert(&manager->tablet_seats, &seat_client->client_link); - wl_list_insert(&tablet_seat->clients, &seat_client->seat_link); - - // We need to emmit the devices allready on the seat - struct wlr_tablet_v2_tablet *tablet_pos; - wl_list_for_each(tablet_pos, &tablet_seat->tablets, link) { - add_tablet_client(seat_client, tablet_pos); - } - - struct wlr_tablet_v2_tablet_pad *pad_pos; - wl_list_for_each(pad_pos, &tablet_seat->pads, link) { - add_tablet_pad_client(seat_client, pad_pos); - } - - struct wlr_tablet_v2_tablet_tool *tool_pos; - wl_list_for_each(tool_pos, &tablet_seat->tools, link) { - add_tablet_tool_client(seat_client, tool_pos); - } -} - -static struct zwp_tablet_manager_v2_interface manager_impl = { - .get_tablet_seat = get_tablet_seat, - .destroy = tablet_manager_destroy, -}; - -static struct wlr_tablet_manager_client_v2 *tablet_manager_client_from_resource ( - struct wl_resource *resource) { - assert(wl_resource_instance_of(resource, &zwp_tablet_manager_v2_interface, - &manager_impl)); - return wl_resource_get_user_data(resource); -} - -static void wlr_tablet_manager_v2_destroy(struct wl_resource *resource) { - struct wlr_tablet_manager_client_v2 *client = tablet_manager_client_from_resource(resource); - - // TODO: Evaluate whether we may need to iterate structs - wl_list_remove(&client->link); - wl_list_remove(&client->tablet_seats); - //wl_list_remove(&client->client_destroy.link); - - free(client); -} - -static void tablet_v2_bind(struct wl_client *wl_client, void *data, - uint32_t version, uint32_t id) { - struct wlr_tablet_manager_v2 *manager = data; - assert(wl_client && manager); - - struct wlr_tablet_manager_client_v2 *client = - calloc(1, sizeof(struct wlr_tablet_manager_client_v2)); - if (client == NULL) { - wl_client_post_no_memory(wl_client); - return; - } - - wl_list_init(&client->tablet_seats); - - client->resource = - wl_resource_create(wl_client, &zwp_tablet_manager_v2_interface, version, id); - if (client->resource == NULL) { - free(client); - wl_client_post_no_memory(wl_client); - return; - } - client->client = wl_client; - client->manager = manager; - - wl_resource_set_implementation(client->resource, &manager_impl, client, - wlr_tablet_manager_v2_destroy); - wl_list_insert(&manager->clients, &client->link); -} - -static void handle_display_destroy(struct wl_listener *listener, void *data) { - struct wlr_tablet_manager_v2 *tablet = - wl_container_of(listener, tablet, display_destroy); - wlr_tablet_v2_destroy(tablet); -} - -void wlr_tablet_v2_destroy(struct wlr_tablet_manager_v2 *manager) { - struct wlr_tablet_manager_client_v2 *tmp; - struct wlr_tablet_manager_client_v2 *pos; - - wl_list_for_each_safe(pos, tmp, &manager->clients, link) { - wl_resource_destroy(pos->resource); - } - - wl_global_destroy(manager->wl_global); - free(manager); -} - -struct wlr_tablet_manager_v2 *wlr_tablet_v2_create(struct wl_display *display) { - struct wlr_tablet_manager_v2 *tablet = - calloc(1, sizeof(struct wlr_tablet_manager_v2)); - if (!tablet) { - return NULL; - } - - wl_list_init(&tablet->clients); - wl_list_init(&tablet->seats); - - tablet->display_destroy.notify = handle_display_destroy; - wl_display_add_destroy_listener(display, &tablet->display_destroy); - - tablet->wl_global = wl_global_create(display, - &zwp_tablet_manager_v2_interface, 1, tablet, tablet_v2_bind); - if (tablet->wl_global == NULL) { - free(tablet); - return NULL; - } - - return tablet; -} - -/* Actual protocol foo */ -// https://www.geeksforgeeks.org/move-zeroes-end-array/ -static size_t push_zeroes_to_end(uint32_t arr[], size_t n) { - size_t count = 0; - - for (size_t i = 0; i < n; i++) { - if (arr[i] != 0) { - arr[count++] = arr[i]; - } - } - - size_t ret = count; - - while (count < n) { - arr[count++] = 0; - } - - return ret; -} - -static void tablet_tool_button_update(struct wlr_tablet_v2_tablet_tool *tool, - uint32_t button, enum zwp_tablet_pad_v2_button_state state) { - bool found = false; - size_t i = 0; - for (; i < tool->num_buttons; ++i) { - if (tool->pressed_buttons[i] == button) { - found = true; - break; - } - } - - if (button == ZWP_TABLET_PAD_V2_BUTTON_STATE_PRESSED && !found && - tool->num_buttons < WLR_TABLEt_V2_TOOL_BUTTONS_CAP) { - tool->pressed_buttons[tool->num_buttons++] = button; - } - if (button == ZWP_TABLET_PAD_V2_BUTTON_STATE_RELEASED && found) { - tool->pressed_buttons[i] = 0; - tool->num_buttons = push_zeroes_to_end(tool->pressed_buttons, WLR_TABLEt_V2_TOOL_BUTTONS_CAP); - } - - assert(tool->num_buttons <= WLR_TABLEt_V2_TOOL_BUTTONS_CAP); -} - -static void send_tool_frame(void *data) { - struct wlr_tablet_tool_client_v2 *tool = data; - - zwp_tablet_tool_v2_send_frame(tool->resource, 0); - tool->frame_source = NULL; -} - -static void queue_tool_frame(struct wlr_tablet_tool_client_v2 *tool) { - struct wl_display *display = wl_client_get_display(tool->client); - struct wl_event_loop *loop = wl_display_get_event_loop(display); - if (!tool->frame_source) { - tool->frame_source = - wl_event_loop_add_idle(loop, send_tool_frame, tool); - } -} - -uint32_t wlr_send_tablet_v2_tablet_tool_proximity_in( - struct wlr_tablet_v2_tablet_tool *tool, - struct wlr_tablet_v2_tablet *tablet, - struct wlr_surface *surface) { - struct wl_client *client = wl_resource_get_client(surface->resource); - - if (tool->focused_surface == surface) { - return 0; - } - - struct wlr_tablet_client_v2 *tablet_tmp; - struct wlr_tablet_client_v2 *tablet_client = NULL; - wl_list_for_each(tablet_tmp, &tablet->clients, tablet_link) { - if (tablet_tmp->client == client) { - tablet_client = tablet_tmp; - break; - } - } - - // Couldn't find the client binding for the surface's client. Either - // the client didn't bind tablet_v2 at all, or not for the relevant - // seat - if (!tablet_client) { - return 0; - } - - struct wlr_tablet_tool_client_v2 *tool_tmp = NULL; - struct wlr_tablet_tool_client_v2 *tool_client = NULL; - wl_list_for_each(tool_tmp, &tool->clients, tool_link) { - if (tool_tmp->client == client) { - tool_client = tool_tmp; - break; - } - } - - // Couldn't find the client binding for the surface's client. Either - // the client didn't bind tablet_v2 at all, or not for the relevant - // seat - if (!tool_client) { - return 0; - } - - tool->current_client = tool_client; - - /* Pre-increment keeps 0 clean. wraparound would be after 2^32 - * proximity_in. Someone wants to do the math how long that would take? - */ - uint32_t serial = ++tool_client->proximity_serial; - - zwp_tablet_tool_v2_send_proximity_in(tool_client->resource, serial, - tablet_client->resource, surface->resource); - queue_tool_frame(tool_client); - - tool->focused_surface = surface; - return serial; -} - -void wlr_send_tablet_v2_tablet_tool_motion( - struct wlr_tablet_v2_tablet_tool *tool, double x, double y) { - if (!tool->current_client) { - return; - } - - zwp_tablet_tool_v2_send_motion(tool->current_client->resource, - wl_fixed_from_double(x), wl_fixed_from_double(y)); - - queue_tool_frame(tool->current_client); -} - -void wlr_send_tablet_v2_tablet_tool_proximity_out( - struct wlr_tablet_v2_tablet_tool *tool) { - if (tool->current_client) { - zwp_tablet_tool_v2_send_proximity_out(tool->current_client->resource); - // XXX: Get the time for the frame - if (tool->current_client->frame_source) { - wl_event_source_remove(tool->current_client->frame_source); - send_tool_frame(tool->current_client); - } - tool->current_client = NULL; - } -} - -void wlr_send_tablet_v2_tablet_tool_pressure( - struct wlr_tablet_v2_tablet_tool *tool, uint32_t pressure) { - if (tool->current_client) { - zwp_tablet_tool_v2_send_pressure(tool->current_client->resource, - pressure); - - queue_tool_frame(tool->current_client); - } -} - -void wlr_send_tablet_v2_tablet_tool_distance( - struct wlr_tablet_v2_tablet_tool *tool, uint32_t distance) { - if (tool->current_client) { - zwp_tablet_tool_v2_send_distance(tool->current_client->resource, - distance); - - queue_tool_frame(tool->current_client); - } -} - -void wlr_send_tablet_v2_tablet_tool_tilt( - struct wlr_tablet_v2_tablet_tool *tool, double x, double y) { - if (!tool->current_client) { - return; - } - - zwp_tablet_tool_v2_send_tilt(tool->current_client->resource, - wl_fixed_from_double(x), wl_fixed_from_double(y)); - - queue_tool_frame(tool->current_client); -} - -void wlr_send_tablet_v2_tablet_tool_rotation( - struct wlr_tablet_v2_tablet_tool *tool, double degrees) { - if (!tool->current_client) { - return; - } - - zwp_tablet_tool_v2_send_rotation(tool->current_client->resource, - wl_fixed_from_double(degrees)); - - queue_tool_frame(tool->current_client); -} - -void wlr_send_tablet_v2_tablet_tool_slider( - struct wlr_tablet_v2_tablet_tool *tool, int32_t position) { - if (!tool->current_client) { - return; - } - - zwp_tablet_tool_v2_send_slider(tool->current_client->resource, - position); - - queue_tool_frame(tool->current_client); -} - -uint32_t wlr_send_tablet_v2_tablet_tool_button( - struct wlr_tablet_v2_tablet_tool *tool, uint32_t button, - enum zwp_tablet_pad_v2_button_state state) { - tablet_tool_button_update(tool, button, state); - - if (tool->current_client) { - uint32_t serial = ++tool->button_serial; - - zwp_tablet_tool_v2_send_button(tool->current_client->resource, - serial, button, state); - queue_tool_frame(tool->current_client); - - return serial; - } - - return 0; -} - -void wlr_send_tablet_v2_tablet_tool_wheel( - struct wlr_tablet_v2_tablet_tool *tool, double delta, int32_t clicks) { - if (tool->current_client) { - zwp_tablet_tool_v2_send_wheel(tool->current_client->resource, - clicks, delta); - - queue_tool_frame(tool->current_client); - } -} - -uint32_t wlr_send_tablet_v2_tablet_tool_down(struct wlr_tablet_v2_tablet_tool *tool) { - if (tool->is_down) { - return 0; - } - - tool->is_down = true; - if (tool->current_client) { - uint32_t serial = ++tool->down_serial; - - zwp_tablet_tool_v2_send_down(tool->current_client->resource, - serial); - queue_tool_frame(tool->current_client); - - return serial; - } - - return 0; -} - -void wlr_send_tablet_v2_tablet_tool_up(struct wlr_tablet_v2_tablet_tool *tool) { - if (!tool->is_down) { - return; - } - tool->is_down = false; - - if (tool->current_client) { - zwp_tablet_tool_v2_send_up(tool->current_client->resource); - queue_tool_frame(tool->current_client); - } -} - -uint32_t wlr_send_tablet_v2_tablet_pad_enter( - struct wlr_tablet_v2_tablet_pad *pad, - struct wlr_tablet_v2_tablet *tablet, - struct wlr_surface *surface) { - struct wl_client *client = wl_resource_get_client(surface->resource); - - struct wlr_tablet_client_v2 *tablet_tmp; - struct wlr_tablet_client_v2 *tablet_client = NULL; - wl_list_for_each(tablet_tmp, &tablet->clients, tablet_link) { - if (tablet_tmp->client == client) { - tablet_client = tablet_tmp; - break; - } - } - - // Couldn't find the client binding for the surface's client. Either - // the client didn't bind tablet_v2 at all, or not for the relevant - // seat - if (!tablet_client) { - return 0; - } - - struct wlr_tablet_pad_client_v2 *pad_tmp = NULL; - struct wlr_tablet_pad_client_v2 *pad_client = NULL; - wl_list_for_each(pad_tmp, &pad->clients, pad_link) { - if (pad_tmp->client == client) { - pad_client = pad_tmp; - break; - } - } - - // Couldn't find the client binding for the surface's client. Either - // the client didn't bind tablet_v2 at all, or not for the relevant - // seat - if (!pad_client) { - return 0; - } - - pad->current_client = pad_client; - - /* Pre-increment keeps 0 clean. wraparound would be after 2^32 - * proximity_in. Someone wants to do the math how long that would take? - */ - uint32_t serial = ++pad_client->enter_serial; - - zwp_tablet_pad_v2_send_enter(pad_client->resource, serial, - tablet_client->resource, surface->resource); - - struct timespec now; - clock_gettime(CLOCK_MONOTONIC, &now); - uint32_t time = now.tv_nsec / 1000; - - for (size_t i = 0; i < pad->group_count; ++i) { - zwp_tablet_pad_group_v2_send_mode_switch( - pad_client->groups[i], time, serial, pad->groups[i]); - } - - return serial; -} - -void wlr_send_tablet_v2_tablet_pad_button( - struct wlr_tablet_v2_tablet_pad *pad, size_t button, - uint32_t time, enum zwp_tablet_pad_v2_button_state state) { - - if (pad->current_client) { - zwp_tablet_pad_v2_send_button(pad->current_client->resource, - time, button, state); - } -} - -void wlr_send_tablet_v2_tablet_pad_strip(struct wlr_tablet_v2_tablet_pad *pad, - uint32_t strip, double position, bool finger, uint32_t time) { - if (!pad->current_client && - pad->current_client->strips && - pad->current_client->strips[strip]) { - return; - } - struct wl_resource *resource = pad->current_client->strips[strip]; - - if (finger) { - zwp_tablet_pad_strip_v2_send_source(resource, ZWP_TABLET_PAD_STRIP_V2_SOURCE_FINGER); - } - - if (position < 0) { - zwp_tablet_pad_strip_v2_send_stop(resource); - } else { - zwp_tablet_pad_strip_v2_send_position(resource, position * 65535); - } - zwp_tablet_pad_strip_v2_send_frame(resource, time); -} - -void wlr_send_tablet_v2_tablet_pad_ring(struct wlr_tablet_v2_tablet_pad *pad, - uint32_t ring, double position, bool finger, uint32_t time) { - if (!pad->current_client || - !pad->current_client->rings || - !pad->current_client->rings[ring]) { - return; - } - struct wl_resource *resource = pad->current_client->rings[ring]; - - if (finger) { - zwp_tablet_pad_ring_v2_send_source(resource, ZWP_TABLET_PAD_RING_V2_SOURCE_FINGER); - } - - if (position < 0) { - zwp_tablet_pad_ring_v2_send_stop(resource); - } else { - zwp_tablet_pad_ring_v2_send_angle(resource, position); - } - zwp_tablet_pad_ring_v2_send_frame(resource, time); -} - -uint32_t wlr_send_tablet_v2_tablet_pad_leave(struct wlr_tablet_v2_tablet_pad *pad, - struct wlr_surface *surface) { - if (!pad->current_client || - wl_resource_get_client(surface->resource) != pad->current_client->client) { - return 0; - } - - /* Pre-increment keeps 0 clean. wraparound would be after 2^32 - * proximity_in. Someone wants to do the math how long that would take? - */ - uint32_t serial = ++pad->current_client->leave_serial; - - zwp_tablet_pad_v2_send_leave(pad->current_client->resource, serial, surface->resource); - return serial; -} - -uint32_t wlr_send_tablet_v2_tablet_pad_mode(struct wlr_tablet_v2_tablet_pad *pad, - size_t group, uint32_t mode, uint32_t time) { - if (!pad->current_client || - !pad->current_client->groups || - !pad->current_client->groups[group] ) { - return 0; - } - - if (pad->groups[group] == mode) { - return 0; - } - - pad->groups[group] = mode; - - /* Pre-increment keeps 0 clean. wraparound would be after 2^32 - * proximity_in. Someone wants to do the math how long that would take? - */ - uint32_t serial = ++pad->current_client->mode_serial; - - zwp_tablet_pad_group_v2_send_mode_switch( - pad->current_client->groups[group], time, serial, mode); - return serial; -} - -bool wlr_surface_accepts_tablet_v2(struct wlr_tablet_v2_tablet *tablet, - struct wlr_surface *surface) { - struct wl_client *client = wl_resource_get_client(surface->resource); - - if (tablet->current_client && - tablet->current_client->client == client) { - return true; - } - - struct wlr_tablet_client_v2 *tablet_tmp; - wl_list_for_each(tablet_tmp, &tablet->clients, tablet_link) { - if (tablet_tmp->client == client) { - return true; - } - } - - return false; -} - -struct wlr_tablet_tool_client_v2 *tablet_tool_client_from_resource(struct wl_resource *resource) { - assert(wl_resource_instance_of(resource, &zwp_tablet_tool_v2_interface, - &tablet_tool_impl)); - return wl_resource_get_user_data(resource); -}