kwin/src/wayland/compositor_interface.cpp

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/*
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 "compositor_interface.h"
#include "display.h"
#include "global_p.h"
#include "surface_interface.h"
// Wayland
#include <wayland-server.h>
2020-04-29 14:56:38 +00:00
namespace KWaylandServer
{
class CompositorInterface::Private : public Global::Private
{
public:
Private(CompositorInterface *q, Display *d);
private:
void bind(wl_client *client, uint32_t version, uint32_t id) override;
void createSurface(wl_client *client, wl_resource *resource, uint32_t id);
void createRegion(wl_client *client, wl_resource *resource, uint32_t id);
static void unbind(wl_resource *resource);
static void createSurfaceCallback(wl_client *client, wl_resource *resource, uint32_t id);
static void createRegionCallback(wl_client *client, wl_resource *resource, uint32_t id);
static Private *cast(wl_resource *r) {
return reinterpret_cast<Private*>(wl_resource_get_user_data(r));
}
CompositorInterface *q;
static const struct wl_compositor_interface s_interface;
static const quint32 s_version;
};
const quint32 CompositorInterface::Private::s_version = 4;
CompositorInterface::Private::Private(CompositorInterface *q, Display *d)
: Global::Private(d, &wl_compositor_interface, s_version)
, q(q)
{
}
#ifndef K_DOXYGEN
const struct wl_compositor_interface CompositorInterface::Private::s_interface = {
createSurfaceCallback,
createRegionCallback
};
#endif
CompositorInterface::CompositorInterface(Display *display, QObject *parent)
: Global(new Private(this, display), parent)
{
}
CompositorInterface::~CompositorInterface() = default;
void CompositorInterface::Private::bind(wl_client *client, uint32_t version, uint32_t id)
{
auto c = display->getConnection(client);
wl_resource *resource = c->createResource(&wl_compositor_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 CompositorInterface::Private::unbind(wl_resource *resource)
{
Q_UNUSED(resource)
// TODO: implement?
}
void CompositorInterface::Private::createSurfaceCallback(wl_client *client, wl_resource *resource, uint32_t id)
{
cast(resource)->createSurface(client, resource, id);
}
void CompositorInterface::Private::createSurface(wl_client *client, wl_resource *resource, uint32_t id)
{
wl_resource *surfaceResource = wl_resource_create(client, &wl_surface_interface,
wl_resource_get_version(resource), id);
if (!surfaceResource) {
wl_resource_post_no_memory(resource);
return;
}
emit q->surfaceCreated(new SurfaceInterface(q, surfaceResource));
}
void CompositorInterface::Private::createRegionCallback(wl_client *client, wl_resource *resource, uint32_t id)
{
cast(resource)->createRegion(client, resource, id);
}
void CompositorInterface::Private::createRegion(wl_client *client, wl_resource *resource, uint32_t id)
{
wl_resource *regionResource = wl_resource_create(client, &wl_region_interface,
wl_resource_get_version(resource), id);
if (!regionResource) {
wl_resource_post_no_memory(resource);
return;
}
emit q->regionCreated(new RegionInterface(q, regionResource));
}
}