1 /*************************************************************************** 2 ** 3 ** Copyright (C) 2017 QNX Software Systems. All rights reserved. 4 ** Copyright (C) 2011 - 2012 Research In Motion 5 ** Contact: https://www.qt.io/licensing/ 6 ** 7 ** This file is part of the plugins of the Qt Toolkit. 8 ** 9 ** $QT_BEGIN_LICENSE:LGPL$ 10 ** Commercial License Usage 11 ** Licensees holding valid commercial Qt licenses may use this file in 12 ** accordance with the commercial license agreement provided with the 13 ** Software or, alternatively, in accordance with the terms contained in 14 ** a written agreement between you and The Qt Company. For licensing terms 15 ** and conditions see https://www.qt.io/terms-conditions. For further 16 ** information use the contact form at https://www.qt.io/contact-us. 17 ** 18 ** GNU Lesser General Public License Usage 19 ** Alternatively, this file may be used under the terms of the GNU Lesser 20 ** General Public License version 3 as published by the Free Software 21 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 22 ** packaging of this file. Please review the following information to 23 ** ensure the GNU Lesser General Public License version 3 requirements 24 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 25 ** 26 ** GNU General Public License Usage 27 ** Alternatively, this file may be used under the terms of the GNU 28 ** General Public License version 2.0 or (at your option) the GNU General 29 ** Public license version 3 or any later version approved by the KDE Free 30 ** Qt Foundation. The licenses are as published by the Free Software 31 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 32 ** included in the packaging of this file. Please review the following 33 ** information to ensure the GNU General Public License requirements will 34 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 35 ** https://www.gnu.org/licenses/gpl-3.0.html. 36 ** 37 ** $QT_END_LICENSE$ 38 ** 39 ****************************************************************************/ 40 41 #ifndef QQNXSCREENEVENTTHREAD_H 42 #define QQNXSCREENEVENTTHREAD_H 43 44 #include <QtCore/QThread> 45 #include <QtCore/QMutex> 46 47 #include <screen/screen.h> 48 #include <sys/siginfo.h> 49 50 QT_BEGIN_NAMESPACE 51 52 class QQnxScreenEventThread : public QThread 53 { 54 Q_OBJECT 55 56 public: 57 QQnxScreenEventThread(screen_context_t context); 58 ~QQnxScreenEventThread(); 59 context()60 screen_context_t context() const { return m_screenContext; } 61 void armEventsPending(int count); 62 63 protected: 64 void run() override; 65 66 Q_SIGNALS: 67 void eventsPending(); 68 69 private: 70 void handleScreenPulse(const struct _pulse &msg); 71 void handleArmPulse(const struct _pulse &msg); 72 void handlePulse(const struct _pulse &msg); 73 void shutdown(); 74 75 int m_channelId; 76 int m_connectionId; 77 struct sigevent m_screenEvent; 78 screen_context_t m_screenContext; 79 bool m_emitNeededOnNextScreenPulse = true; 80 int m_screenPulsesSinceLastArmPulse = 0; 81 }; 82 83 QT_END_NAMESPACE 84 85 #endif // QQNXSCREENEVENTTHREAD_H 86