3185530ed6
The Wayland event queue is moved into a dedicated thread and a new class is created for just creating the connection and listening for events. The WaylandBackend creates the thread and uses an event queue for the main thread. REVIEW: 119761
109 lines
2.8 KiB
C++
109 lines
2.8 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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#ifndef KWIN_WAYLAND_CONNECTION_THREAD_H
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#define KWIN_WAYLAND_CONNECTION_THREAD_H
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#include <QObject>
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#include <QDir>
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struct wl_display;
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class QFileSystemWatcher;
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class QSocketNotifier;
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namespace KWin
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{
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namespace Wayland
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{
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class ConnectionThread : public QObject
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{
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Q_OBJECT
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public:
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explicit ConnectionThread(QObject *parent = nullptr);
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virtual ~ConnectionThread();
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wl_display *display();
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/**
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* @returns the name of the socket it connects to.
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**/
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const QString &socketName() const;
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/**
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* Sets the @p socketName to connect to.
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* Only applies if called before calling initConnection.
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* The default socket name is derived from environment variable WAYLAND_DISPLAY
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* and if not set is hard coded to "wayland-0".
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**/
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void setSocketName(const QString &socketName);
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public Q_SLOTS:
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void initConnection();
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Q_SIGNALS:
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/**
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* Emitted once a connection to a Wayland server is established.
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* Normally emitted after invoking initConnection(), but might also be
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* emitted after re-connecting to another server.
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**/
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void connected();
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/**
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* Emitted if connecting to a Wayland server failed.
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**/
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void failed();
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/**
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* Emitted whenever new events are ready to be read.
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**/
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void eventsRead();
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/**
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* Emitted if the Wayland server connection dies.
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* If the socket reappears, it is tried to reconnect.
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**/
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void connectionDied();
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private Q_SLOTS:
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void doInitConnection();
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private:
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void setupSocketNotifier();
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void setupSocketFileWatcher();
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wl_display *m_display;
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QString m_socketName;
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QDir m_runtimeDir;
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QSocketNotifier *m_socketNotifier;
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QFileSystemWatcher *m_socketWatcher;
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bool m_serverDied;
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};
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inline
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const QString &ConnectionThread::socketName() const
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{
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return m_socketName;
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}
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inline
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wl_display *ConnectionThread::display()
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{
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return m_display;
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}
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}
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}
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#endif
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