9a0fd94013
The AbstractBackend registers itself in the WaylandServer allowing external users to easily get to the backend and not needing to test manually which backend is used.
128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "wayland_server.h"
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#include "screens.h"
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#include "toplevel.h"
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#include "workspace.h"
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#include <KWayland/Server/compositor_interface.h>
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#include <KWayland/Server/display.h>
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#include <KWayland/Server/output_interface.h>
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#include <KWayland/Server/seat_interface.h>
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#include <KWayland/Server/shell_interface.h>
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// system
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#include <sys/types.h>
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#include <sys/socket.h>
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using namespace KWayland::Server;
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namespace KWin
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{
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KWIN_SINGLETON_FACTORY(WaylandServer)
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WaylandServer::WaylandServer(QObject *parent)
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: QObject(parent)
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{
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}
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WaylandServer::~WaylandServer() = default;
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void WaylandServer::init(const QByteArray &socketName)
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{
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m_display = new KWayland::Server::Display(this);
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if (!socketName.isNull() && !socketName.isEmpty()) {
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m_display->setSocketName(QString::fromUtf8(socketName));
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}
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m_display->start();
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m_compositor = m_display->createCompositor(m_display);
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m_compositor->create();
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connect(m_compositor, &CompositorInterface::surfaceCreated, this,
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[this] (SurfaceInterface *surface) {
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// check whether we have a Toplevel with the Surface's id
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Workspace *ws = Workspace::self();
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if (!ws) {
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// it's possible that a Surface gets created before Workspace is created
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return;
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}
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auto check = [surface] (const Toplevel *t) {
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return t->surfaceId() == surface->id();
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};
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if (Toplevel *t = ws->findToplevel(check)) {
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t->setSurface(surface);
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}
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}
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);
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m_shell = m_display->createShell(m_display);
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m_shell->create();
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m_display->createShm();
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m_seat = m_display->createSeat(m_display);
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m_seat->create();
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}
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void WaylandServer::initOutputs()
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{
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Screens *s = screens();
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Q_ASSERT(s);
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for (int i = 0; i < s->count(); ++i) {
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OutputInterface *output = m_display->createOutput(m_display);
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// TODO: fixme
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output->setPhysicalSize(QSize(269, 168));
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output->addMode(s->size(i));
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output->create();
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}
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}
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int WaylandServer::createXWaylandConnection()
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{
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int sx[2];
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if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sx) < 0) {
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qCWarning(KWIN_CORE) << "Could not create socket";
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return -1;
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}
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m_xwaylandConnection = m_display->createClient(sx[0]);
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return sx[1];
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}
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int WaylandServer::createQtConnection()
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{
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int sx[2];
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if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sx) < 0) {
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qCWarning(KWIN_CORE) << "Could not create socket";
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return -1;
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}
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m_qtConnection = m_display->createClient(sx[0]);
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return sx[1];
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}
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void WaylandServer::installBackend(AbstractBackend *backend)
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{
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Q_ASSERT(!m_backend);
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m_backend = backend;
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}
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void WaylandServer::uninstallBackend(AbstractBackend *backend)
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{
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Q_ASSERT(m_backend == backend);
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m_backend = nullptr;
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}
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}
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