- Main Page
- Related Pages
- Modules
- Namespaces
- Classes
- Files
- Directories
- Examples

- File List
- File Members

# qtimer.h

Go to the documentation of this file.

    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtCore module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QTIMER_H
    00043 #define QTIMER_H
    00044
    00045 #ifndef QT_NO_QOBJECT
    00046
    00047 #include <QtCore/qbasictimer.h> // conceptual inheritance
    00048 #include <QtCore/qobject.h>
    00049
    00050 QT_BEGIN_HEADER
    00051
    00052 QT_BEGIN_NAMESPACE
    00053
    00054 QT_MODULE(Core)
    00055
    00056 class Q_CORE_EXPORT QTimer : public QObject
    00057 {
    00058     Q_OBJECT
    00059     Q_PROPERTY(bool singleShot READ isSingleShot WRITE setSingleShot)
    00060     Q_PROPERTY(int interval READ interval WRITE setInterval)
    00061     Q_PROPERTY(bool active READ isActive)
    00062 public:
    00063     explicit QTimer(QObject *parent = 0);
    00064 #ifdef QT3_SUPPORT
    00065     QT3_SUPPORT_CONSTRUCTOR QTimer(QObject *parent, const char *name);
    00066 #endif
    00067     ~QTimer();
    00068
    00069     inline bool isActive() const { return id >= 0; }
    00070     int timerId() const { return id; }
    00071
    00072     void setInterval(int msec);
    00073     int interval() const { return inter; }
    00074
    00075     inline void setSingleShot(bool singleShot);
    00076     inline bool isSingleShot() const { return single; }
    00077
    00078     static void singleShot(int msec, QObject *receiver, const char *member);
    00079
    00080 public Q_SLOTS:
    00081     void start(int msec);
    00082
    00083     void start();
    00084     void stop();
    00085
    00086 #ifdef QT3_SUPPORT
    00087     inline QT_MOC_COMPAT void changeInterval(int msec) { start(msec); }
    00088     QT_MOC_COMPAT int start(int msec, bool sshot);
    00089 #endif
    00090
    00091 Q_SIGNALS:
    00092     void timeout();
    00093
    00094 protected:
    00095     void timerEvent(QTimerEvent *);
    00096
    00097 private:
    00098     Q_DISABLE_COPY(QTimer)
    00099
    00100     inline int startTimer(int){ return -1;}
    00101     inline void killTimer(int){}
    00102
    00103     int id, inter, del;
    00104     uint single : 1;
    00105     uint nulltimer : 1;
    00106 };
    00107
    00108 inline void QTimer::setSingleShot(bool asingleShot) { single = asingleShot; }
    00109
    00110 QT_END_NAMESPACE
    00111
    00112 QT_END_HEADER
    00113
    00114 #endif // QT_NO_QOBJECT
    00115
    00116 #endif // QTIMER_H