171 lines
4.4 KiB
C++
171 lines
4.4 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) 2014 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 "display.h"
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#include "compositor_interface.h"
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#include "output_interface.h"
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#include "seat_interface.h"
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#include "shell_interface.h"
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#include <QCoreApplication>
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#include <QDebug>
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#include <QAbstractEventDispatcher>
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#include <QSocketNotifier>
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#include <wayland-server.h>
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namespace KWin
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{
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namespace WaylandServer
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{
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Display::Display(QObject *parent)
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: QObject(parent)
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, m_display(nullptr)
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, m_loop(nullptr)
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, m_socketName(QStringLiteral("wayland-0"))
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, m_running(false)
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{
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connect(QCoreApplication::eventDispatcher(), &QAbstractEventDispatcher::aboutToBlock, this, &Display::flush);
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}
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Display::~Display()
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{
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terminate();
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}
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void Display::flush()
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{
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if (!m_display || !m_loop) {
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return;
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}
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if (wl_event_loop_dispatch(m_loop, 0) != 0) {
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qWarning() << "Error on dispatching Wayland event loop";
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}
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wl_display_flush_clients(m_display);
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}
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void Display::setSocketName(const QString &name)
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{
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if (m_socketName == name) {
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return;
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}
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m_socketName = name;
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emit socketNameChanged(m_socketName);
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}
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QString Display::socketName() const
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{
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return m_socketName;
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}
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void Display::start()
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{
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Q_ASSERT(!m_running);
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Q_ASSERT(!m_display);
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m_display = wl_display_create();
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if (wl_display_add_socket(m_display, qPrintable(m_socketName)) != 0) {
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return;
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}
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m_loop = wl_display_get_event_loop(m_display);
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int fd = wl_event_loop_get_fd(m_loop);
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if (fd == -1) {
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qWarning() << "Did not get the file descriptor for the event loop";
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return;
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}
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QSocketNotifier *m_notifier = new QSocketNotifier(fd, QSocketNotifier::Read, this);
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connect(m_notifier, &QSocketNotifier::activated, this, &Display::flush);
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setRunning(true);
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}
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void Display::terminate()
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{
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if (!m_running) {
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return;
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}
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emit aboutToTerminate();
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wl_display_terminate(m_display);
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wl_display_destroy(m_display);
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m_display = nullptr;
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m_loop = nullptr;
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setRunning(false);
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}
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void Display::setRunning(bool running)
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{
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Q_ASSERT(m_running != running);
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m_running = running;
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emit runningChanged(m_running);
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}
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OutputInterface *Display::createOutput(QObject *parent)
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{
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OutputInterface *output = new OutputInterface(this, parent);
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connect(output, &QObject::destroyed, this, [this,output] { m_outputs.removeAll(output); });
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connect(this, &Display::aboutToTerminate, output, [this,output] { removeOutput(output); });
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m_outputs << output;
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return output;
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}
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CompositorInterface *Display::createCompositor(QObject *parent)
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{
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CompositorInterface *compositor = new CompositorInterface(this, parent);
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connect(this, &Display::aboutToTerminate, compositor, [this,compositor] { delete compositor; });
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return compositor;
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}
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ShellInterface *Display::createShell(QObject *parent)
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{
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ShellInterface *shell = new ShellInterface(this, parent);
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connect(this, &Display::aboutToTerminate, shell, [this,shell] { delete shell; });
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return shell;
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}
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SeatInterface *Display::createSeat(QObject *parent)
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{
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SeatInterface *seat = new SeatInterface(this, parent);
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connect(this, &Display::aboutToTerminate, seat, [this,seat] { delete seat; });
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return seat;
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}
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void Display::createShm()
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{
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Q_ASSERT(m_running);
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wl_display_init_shm(m_display);
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}
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void Display::removeOutput(OutputInterface *output)
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{
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m_outputs.removeAll(output);
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delete output;
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}
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quint32 Display::nextSerial()
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{
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return wl_display_next_serial(m_display);
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}
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quint32 Display::serial()
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{
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return wl_display_get_serial(m_display);
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}
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}
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}
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