kwin/src/wayland/datadevicemanager_interface.cpp
2020-04-29 16:56:38 +02:00

118 lines
4.1 KiB
C++

/*
SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#include "datadevicemanager_interface.h"
#include "datasource_interface.h"
#include "global_p.h"
#include "display.h"
#include "seat_interface_p.h"
// Wayland
#include <wayland-server.h>
namespace KWaylandServer
{
class DataDeviceManagerInterface::Private : public Global::Private
{
public:
Private(DataDeviceManagerInterface *q, Display *d);
private:
void bind(wl_client *client, uint32_t version, uint32_t id) override;
void createDataSource(wl_client *client, wl_resource *resource, uint32_t id);
void getDataDevice(wl_client *client, wl_resource *resource, uint32_t id, wl_resource *seat);
static void unbind(wl_resource *resource);
static void createDataSourceCallback(wl_client *client, wl_resource *resource, uint32_t id);
static void getDataDeviceCallback(wl_client *client, wl_resource *resource, uint32_t id, wl_resource *seat);
static Private *cast(wl_resource *r) {
return reinterpret_cast<Private*>(wl_resource_get_user_data(r));
}
DataDeviceManagerInterface *q;
static const struct wl_data_device_manager_interface s_interface;
static const quint32 s_version;
static const qint32 s_dataDeviceVersion;
static const qint32 s_dataSourceVersion;
};
const quint32 DataDeviceManagerInterface::Private::s_version = 3;
const qint32 DataDeviceManagerInterface::Private::s_dataDeviceVersion = 3;
const qint32 DataDeviceManagerInterface::Private::s_dataSourceVersion = 3;
#ifndef K_DOXYGEN
const struct wl_data_device_manager_interface DataDeviceManagerInterface::Private::s_interface = {
createDataSourceCallback,
getDataDeviceCallback
};
#endif
DataDeviceManagerInterface::Private::Private(DataDeviceManagerInterface *q, Display *d)
: Global::Private(d, &wl_data_device_manager_interface, s_version)
, q(q)
{
}
void DataDeviceManagerInterface::Private::bind(wl_client *client, uint32_t version, uint32_t id)
{
auto c = display->getConnection(client);
wl_resource *resource = c->createResource(&wl_data_device_manager_interface, qMin(version, s_version), id);
if (!resource) {
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource, &s_interface, this, unbind);
// TODO: should we track?
}
void DataDeviceManagerInterface::Private::unbind(wl_resource *resource)
{
Q_UNUSED(resource)
}
void DataDeviceManagerInterface::Private::createDataSourceCallback(wl_client *client, wl_resource *resource, uint32_t id)
{
cast(resource)->createDataSource(client, resource, id);
}
void DataDeviceManagerInterface::Private::createDataSource(wl_client *client, wl_resource *resource, uint32_t id)
{
DataSourceInterface *dataSource = new DataSourceInterface(q, resource);
dataSource->create(display->getConnection(client), qMin(wl_resource_get_version(resource), s_dataSourceVersion) , id);
if (!dataSource->resource()) {
wl_resource_post_no_memory(resource);
delete dataSource;
return;
}
emit q->dataSourceCreated(dataSource);
}
void DataDeviceManagerInterface::Private::getDataDeviceCallback(wl_client *client, wl_resource *resource, uint32_t id, wl_resource *seat)
{
cast(resource)->getDataDevice(client, resource, id, seat);
}
void DataDeviceManagerInterface::Private::getDataDevice(wl_client *client, wl_resource *resource, uint32_t id, wl_resource *seat)
{
SeatInterface *s = SeatInterface::get(seat);
Q_ASSERT(s);
DataDeviceInterface *dataDevice = new DataDeviceInterface(s, q, resource);
dataDevice->create(display->getConnection(client), qMin(wl_resource_get_version(resource), s_dataDeviceVersion), id);
if (!dataDevice->resource()) {
wl_resource_post_no_memory(resource);
return;
}
s->d_func()->registerDataDevice(dataDevice);
emit q->dataDeviceCreated(dataDevice);
}
DataDeviceManagerInterface::DataDeviceManagerInterface(Display *display, QObject *parent)
: Global(new Private(this, display), parent)
{
}
DataDeviceManagerInterface::~DataDeviceManagerInterface() = default;
}