mirror of
https://gitlab.freedesktop.org/libinput/libei.git
synced 2025-12-25 08:10:05 +01:00
4d9ca1796d
This allows us to have a device support multiple interfaces and evolve those interfaces individually, e.g. add things to the keyboard interface without having to bump the touchscreen interface. Note that due to a name clash with the existing struct ei_touch public API the protocol interface is named touchscreen.
107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
/* SPDX-License-Identifier: MIT */
|
|
/*
|
|
* Copyright © 2023 Red Hat, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN pointer WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <errno.h>
|
|
#include <stdbool.h>
|
|
|
|
#include "util-bits.h"
|
|
#include "util-macros.h"
|
|
#include "util-mem.h"
|
|
#include "util-io.h"
|
|
#include "util-strings.h"
|
|
#include "util-version.h"
|
|
|
|
#include "libeis-private.h"
|
|
#include "eis-proto.h"
|
|
|
|
static void
|
|
eis_pointer_destroy(struct eis_pointer *pointer)
|
|
{
|
|
struct eis_client * client = eis_pointer_get_client(pointer);
|
|
eis_client_unregister_object(client, &pointer->proto_object);
|
|
}
|
|
|
|
OBJECT_IMPLEMENT_REF(eis_pointer);
|
|
OBJECT_IMPLEMENT_UNREF_CLEANUP(eis_pointer);
|
|
OBJECT_IMPLEMENT_GETTER_AS_REF(eis_pointer, proto_object, const struct brei_object *);
|
|
|
|
static
|
|
OBJECT_IMPLEMENT_CREATE(eis_pointer);
|
|
static
|
|
OBJECT_IMPLEMENT_PARENT(eis_pointer, eis_device);
|
|
|
|
uint32_t
|
|
eis_pointer_get_version(struct eis_pointer *pointer)
|
|
{
|
|
return pointer->proto_object.version;
|
|
}
|
|
|
|
uint32_t
|
|
eis_pointer_get_id(struct eis_pointer *pointer)
|
|
{
|
|
return pointer->proto_object.id;
|
|
}
|
|
|
|
struct eis_device *
|
|
eis_pointer_get_device(struct eis_pointer *pointer)
|
|
{
|
|
return eis_pointer_parent(pointer);
|
|
}
|
|
|
|
struct eis_client*
|
|
eis_pointer_get_client(struct eis_pointer *pointer)
|
|
{
|
|
return eis_device_get_client(eis_pointer_get_device(pointer));
|
|
}
|
|
|
|
struct eis*
|
|
eis_pointer_get_context(struct eis_pointer *pointer)
|
|
{
|
|
struct eis_client *client = eis_pointer_get_client(pointer);
|
|
return eis_client_get_context(client);
|
|
}
|
|
|
|
const struct eis_pointer_interface *
|
|
eis_pointer_get_interface(struct eis_pointer *pointer) {
|
|
return eis_device_get_pointer_interface(eis_pointer_get_device(pointer));
|
|
}
|
|
|
|
struct eis_pointer *
|
|
eis_pointer_new(struct eis_device *device)
|
|
{
|
|
struct eis_pointer *pointer = eis_pointer_create(&device->object);
|
|
struct eis_client *client = eis_device_get_client(device);
|
|
|
|
pointer->proto_object.id = eis_client_get_new_id(client);
|
|
pointer->proto_object.implementation = pointer;
|
|
pointer->proto_object.interface = &eis_pointer_proto_interface;
|
|
pointer->proto_object.version = client->interface_versions.ei_pointer;
|
|
list_init(&pointer->proto_object.link);
|
|
|
|
eis_client_register_object(client, &pointer->proto_object);
|
|
|
|
return pointer; /* ref owned by caller */
|
|
}
|