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cursor-shape-v1: new protocol implementation

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References: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/194
This commit is contained in:
Simon Ser 2023-05-05 16:33:56 +02:00 committed by Alexander Orzechowski
parent fd540f6d07
commit 04e4e06986
4 changed files with 291 additions and 1 deletions
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58
include/wlr/types/wlr_cursor_shape_v1.h Normal file
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@ -0,0 +1,58 @@
/*
* This an unstable interface of wlroots. No guarantees are made regarding the
* future consistency of this API.
*/
#ifndef WLR_USE_UNSTABLE
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
#endif
#ifndef WLR_TYPES_WLR_CURSOR_SHAPE_V1_H
#define WLR_TYPES_WLR_CURSOR_SHAPE_V1_H
#include <wayland-server-core.h>
#include "cursor-shape-v1-protocol.h"
/**
* Manager for the cursor-shape-v1 protocol.
*
* Compositors should listen to the request_set_shape event and handle it in
* the same way as wlr_seat.events.request_set_cursor.
*/
struct wlr_cursor_shape_manager_v1 {
struct wl_global *global;
struct {
struct wl_signal request_set_shape; // struct wlr_cursor_shape_manager_v1_request_set_shape_event
struct wl_signal destroy;
} events;
void *data;
// private state
struct wl_listener display_destroy;
};
enum wlr_cursor_shape_manager_v1_device_type {
WLR_CURSOR_SHAPE_MANAGER_V1_DEVICE_TYPE_POINTER,
WLR_CURSOR_SHAPE_MANAGER_V1_DEVICE_TYPE_TABLET_TOOL,
};
struct wlr_cursor_shape_manager_v1_request_set_shape_event {
struct wlr_seat_client *seat_client;
enum wlr_cursor_shape_manager_v1_device_type device_type;
uint32_t serial;
enum wp_cursor_shape_device_v1_shape shape;
};
struct wlr_cursor_shape_manager_v1 *wlr_cursor_shape_manager_v1_create(
struct wl_display *display, uint32_t version);
/**
* Get the name of a cursor shape.
*
* The name can be used to load a cursor from an XCursor theme.
*/
const char *wlr_cursor_shape_v1_name(enum wp_cursor_shape_device_v1_shape shape);
#endif

3
protocol/meson.build
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@ -1,5 +1,5 @@
wayland_protos = dependency('wayland-protocols',
version: '>=1.31',
version: '>=1.32',
fallback: 'wayland-protocols',
default_options: ['tests=false'],
)
@ -19,6 +19,7 @@ protocols = {
# Staging upstream protocols
'content-type-v1': wl_protocol_dir / 'staging/content-type/content-type-v1.xml',
'cursor-shape-v1': wl_protocol_dir / 'staging/cursor-shape/cursor-shape-v1.xml',
'drm-lease-v1': wl_protocol_dir / 'staging/drm-lease/drm-lease-v1.xml',
'ext-idle-notify-v1': wl_protocol_dir / 'staging/ext-idle-notify/ext-idle-notify-v1.xml',
'ext-session-lock-v1': wl_protocol_dir / 'staging/ext-session-lock/ext-session-lock-v1.xml',

1
types/meson.build
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@ -36,6 +36,7 @@ wlr_files += files(
'buffer/resource.c',
'wlr_compositor.c',
'wlr_content_type_v1.c',
'wlr_cursor_shape_v1.c',
'wlr_cursor.c',
'wlr_damage_ring.c',
'wlr_data_control_v1.c',

230
types/wlr_cursor_shape_v1.c Normal file
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@ -0,0 +1,230 @@
#include <assert.h>
#include <stdlib.h>
#include <wlr/types/wlr_cursor_shape_v1.h>
#include <wlr/types/wlr_seat.h>
#include "types/wlr_tablet_v2.h"
#define CURSOR_SHAPE_MANAGER_V1_VERSION 1
struct wlr_cursor_shape_device_v1 {
struct wl_resource *resource;
struct wlr_cursor_shape_manager_v1 *manager;
enum wlr_cursor_shape_manager_v1_device_type type;
struct wlr_seat_client *seat_client;
struct wl_listener seat_client_destroy;
};
static const struct wp_cursor_shape_device_v1_interface device_impl;
static const struct wp_cursor_shape_manager_v1_interface manager_impl;
// Returns NULL if the resource is inert
static struct wlr_cursor_shape_device_v1 *device_from_resource(struct wl_resource *resource) {
assert(wl_resource_instance_of(resource, &wp_cursor_shape_device_v1_interface, &device_impl));
return wl_resource_get_user_data(resource);
}
static struct wlr_cursor_shape_manager_v1 *manager_from_resource(struct wl_resource *resource) {
assert(wl_resource_instance_of(resource, &wp_cursor_shape_manager_v1_interface, &manager_impl));
return wl_resource_get_user_data(resource);
}
static void resource_handle_destroy(struct wl_client *client, struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static void device_handle_set_shape(struct wl_client *client, struct wl_resource *device_resource,
uint32_t serial, uint32_t shape) {
struct wlr_cursor_shape_device_v1 *device = device_from_resource(device_resource);
if (device == NULL) {
return;
}
if (shape == 0 || shape > WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_ZOOM_OUT) {
wl_resource_post_error(device_resource, WP_CURSOR_SHAPE_DEVICE_V1_ERROR_INVALID_SHAPE,
"Invalid shape %"PRIu32, shape);
return;
}
struct wlr_cursor_shape_manager_v1_request_set_shape_event event = {
.seat_client = device->seat_client,
.device_type = device->type,
.serial = serial,
.shape = shape,
};
wl_signal_emit_mutable(&device->manager->events.request_set_shape, &event);
}
static const struct wp_cursor_shape_device_v1_interface device_impl = {
.destroy = resource_handle_destroy,
.set_shape = device_handle_set_shape,
};
static void device_destroy(struct wlr_cursor_shape_device_v1 *device) {
if (device == NULL) {
return;
}
wl_list_remove(&device->seat_client_destroy.link);
wl_resource_set_user_data(device->resource, NULL); // make inert
free(device);
}
static void device_handle_resource_destroy(struct wl_resource *resource) {
struct wlr_cursor_shape_device_v1 *device = device_from_resource(resource);
device_destroy(device);
}
static void device_handle_seat_client_destroy(struct wl_listener *listener, void *data) {
struct wlr_cursor_shape_device_v1 *device = wl_container_of(listener, device, seat_client_destroy);
device_destroy(device);
}
static void create_device(struct wl_resource *manager_resource, uint32_t id,
struct wlr_seat_client *seat_client,
enum wlr_cursor_shape_manager_v1_device_type type) {
struct wlr_cursor_shape_manager_v1 *manager = manager_from_resource(manager_resource);
struct wl_client *client = wl_resource_get_client(manager_resource);
uint32_t version = wl_resource_get_version(manager_resource);
struct wl_resource *device_resource = wl_resource_create(client,
&wp_cursor_shape_device_v1_interface, version, id);
if (device_resource == NULL) {
wl_resource_post_no_memory(manager_resource);
return;
}
wl_resource_set_implementation(device_resource,
&device_impl, NULL, device_handle_resource_destroy);
if (seat_client == NULL) {
return; // leave the resource inert
}
struct wlr_cursor_shape_device_v1 *device = calloc(1, sizeof(*device));
if (device == NULL) {
wl_resource_post_no_memory(manager_resource);
return;
}
device->resource = device_resource;
device->manager = manager;
device->type = type;
device->seat_client = seat_client;
device->seat_client_destroy.notify = device_handle_seat_client_destroy;
wl_signal_add(&seat_client->events.destroy, &device->seat_client_destroy);
wl_resource_set_user_data(device_resource, device);
}
static void manager_handle_get_pointer(struct wl_client *client, struct wl_resource *manager_resource,
uint32_t id, struct wl_resource *pointer_resource) {
struct wlr_seat_client *seat_client = wlr_seat_client_from_pointer_resource(pointer_resource);
create_device(manager_resource, id, seat_client,
WLR_CURSOR_SHAPE_MANAGER_V1_DEVICE_TYPE_POINTER);
}
static void manager_handle_get_tablet_tool_v2(struct wl_client *client, struct wl_resource *manager_resource,
uint32_t id, struct wl_resource *tablet_tool_resource) {
struct wlr_tablet_tool_client_v2 *tablet_tool_client = tablet_tool_client_from_resource(tablet_tool_resource);
struct wlr_seat_client *seat_client = tablet_tool_client->seat->seat_client;
create_device(manager_resource, id, seat_client,
WLR_CURSOR_SHAPE_MANAGER_V1_DEVICE_TYPE_TABLET_TOOL);
}
static const struct wp_cursor_shape_manager_v1_interface manager_impl = {
.destroy = resource_handle_destroy,
.get_pointer = manager_handle_get_pointer,
.get_tablet_tool_v2 = manager_handle_get_tablet_tool_v2,
};
static void manager_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id) {
struct wlr_cursor_shape_manager_v1 *manager = data;
struct wl_resource *resource = wl_resource_create(client,
&wp_cursor_shape_manager_v1_interface, version, id);
if (resource == NULL) {
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource, &manager_impl, manager, NULL);
}
static void handle_display_destroy(struct wl_listener *listener, void *data) {
struct wlr_cursor_shape_manager_v1 *manager =
wl_container_of(listener, manager, display_destroy);
wl_signal_emit_mutable(&manager->events.destroy, NULL);
assert(wl_list_empty(&manager->events.destroy.listener_list));
wl_global_destroy(manager->global);
wl_list_remove(&manager->display_destroy.link);
free(manager);
}
struct wlr_cursor_shape_manager_v1 *wlr_cursor_shape_manager_v1_create(
struct wl_display *display, uint32_t version) {
assert(version <= CURSOR_SHAPE_MANAGER_V1_VERSION);
struct wlr_cursor_shape_manager_v1 *manager = calloc(1, sizeof(*manager));
if (manager == NULL) {
return NULL;
}
manager->global = wl_global_create(display,
&wp_cursor_shape_manager_v1_interface, version, manager, manager_bind);
if (manager->global == NULL) {
free(manager);
return NULL;
}
wl_signal_init(&manager->events.request_set_shape);
wl_signal_init(&manager->events.destroy);
manager->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &manager->display_destroy);
return manager;
}
static const char *const shape_names[] = {
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_DEFAULT] = "default",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_CONTEXT_MENU] = "context-menu",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_HELP] = "help",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_POINTER] = "pointer",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_PROGRESS] = "progress",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_WAIT] = "wait",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_CELL] = "cell",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_CROSSHAIR] = "crosshair",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_TEXT] = "text",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_VERTICAL_TEXT] = "vertical-text",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_ALIAS] = "alias",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_COPY] = "copy",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_MOVE] = "move",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NO_DROP] = "no-drop",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NOT_ALLOWED] = "not-allowed",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_GRAB] = "grab",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_GRABBING] = "grabbing",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_E_RESIZE] = "e-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_N_RESIZE] = "n-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NE_RESIZE] = "ne-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NW_RESIZE] = "nw-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_S_RESIZE] = "s-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_SE_RESIZE] = "se-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_SW_RESIZE] = "sw-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_W_RESIZE] = "w-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_EW_RESIZE] = "ew-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NS_RESIZE] = "ns-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NESW_RESIZE] = "nesw-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_NWSE_RESIZE] = "nwse-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_COL_RESIZE] = "col-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_ROW_RESIZE] = "row-resize",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_ALL_SCROLL] = "all-scroll",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_ZOOM_IN] = "zoom-in",
[WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_ZOOM_OUT] = "zoom-out",
};
const char *wlr_cursor_shape_v1_name(enum wp_cursor_shape_device_v1_shape shape) {
assert(shape < sizeof(shape_names) / sizeof(shape_names[0]));
return shape_names[shape];
}