mirror of https://github.com/qt/qtbase.git
111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QTIMERINFO_UNIX_P_H
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#define QTIMERINFO_UNIX_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <qobject.h>
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#include <qlist.h>
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#include <qpair.h>
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#include <sys/time.h> // struct timeval
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QT_BEGIN_NAMESPACE
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// internal timer info
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struct QTimerInfo {
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int id; // - timer identifier
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timeval interval; // - timer interval
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timeval timeout; // - when to sent event
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QObject *obj; // - object to receive event
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QTimerInfo **activateRef; // - ref from activateTimers
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};
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class QTimerInfoList : public QList<QTimerInfo*>
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{
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#if ((_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(Q_OS_MAC)) || defined(QT_BOOTSTRAPPED)
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timeval previousTime;
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clock_t previousTicks;
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int ticksPerSecond;
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int msPerTick;
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bool timeChanged(timeval *delta);
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#endif
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// state variables used by activateTimers()
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QTimerInfo *firstTimerInfo;
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public:
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QTimerInfoList();
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timeval currentTime;
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timeval updateCurrentTime();
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// must call updateCurrentTime() first!
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void repairTimersIfNeeded();
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bool timerWait(timeval &);
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void timerInsert(QTimerInfo *);
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void timerRepair(const timeval &);
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void registerTimer(int timerId, int interval, QObject *object);
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bool unregisterTimer(int timerId);
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bool unregisterTimers(QObject *object);
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QList<QPair<int, int> > registeredTimers(QObject *object) const;
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int activateTimers();
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};
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QT_END_NAMESPACE
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#endif // QTIMERINFO_UNIX_P_H
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