kwin/wayland_server.cpp
Martin Gräßlin 69a13a779d [kwin_wayland] Start Xwayland through socket file descriptor
Creates a socketpair in WaylandServer and creates a ClientConnection for
Xwayland. The created file descriptor is passed to Xwayland through the
WAYLAND_SOCKET env variable.
2015-03-17 10:20:19 +01:00

105 lines
3.2 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "wayland_server.h"
#include "screens.h"
#include "toplevel.h"
#include "workspace.h"
#include <KWayland/Server/compositor_interface.h>
#include <KWayland/Server/display.h>
#include <KWayland/Server/output_interface.h>
#include <KWayland/Server/seat_interface.h>
#include <KWayland/Server/shell_interface.h>
// system
#include <sys/types.h>
#include <sys/socket.h>
using namespace KWayland::Server;
namespace KWin
{
KWIN_SINGLETON_FACTORY(WaylandServer)
WaylandServer::WaylandServer(QObject *parent)
: QObject(parent)
{
}
WaylandServer::~WaylandServer() = default;
void WaylandServer::init(const QByteArray &socketName)
{
m_display = new KWayland::Server::Display(this);
if (!socketName.isNull() && !socketName.isEmpty()) {
m_display->setSocketName(QString::fromUtf8(socketName));
}
m_display->start();
m_compositor = m_display->createCompositor(m_display);
m_compositor->create();
connect(m_compositor, &CompositorInterface::surfaceCreated, this,
[this] (SurfaceInterface *surface) {
// check whether we have a Toplevel with the Surface's id
Workspace *ws = Workspace::self();
if (!ws) {
// it's possible that a Surface gets created before Workspace is created
return;
}
auto check = [surface] (const Toplevel *t) {
return t->surfaceId() == surface->id();
};
if (Toplevel *t = ws->findToplevel(check)) {
t->setSurface(surface);
}
}
);
m_shell = m_display->createShell(m_display);
m_shell->create();
m_display->createShm();
m_seat = m_display->createSeat(m_display);
m_seat->create();
}
void WaylandServer::initOutputs()
{
Screens *s = screens();
Q_ASSERT(s);
for (int i = 0; i < s->count(); ++i) {
OutputInterface *output = m_display->createOutput(m_display);
// TODO: fixme
output->setPhysicalSize(QSize(269, 168));
output->addMode(s->size(i));
output->create();
}
}
int WaylandServer::createXWaylandConnection()
{
int sx[2];
if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sx) < 0) {
qCWarning(KWIN_CORE) << "Could not create socket";
return -1;
}
m_xwaylandConnection = m_display->createClient(sx[0]);
return sx[1];
}
}