KDChartSignalCompressor.h

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00001 /****************************************************************************
00002 ** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB.  All rights reserved.
00003 **
00004 ** This file is part of the KD Chart library.
00005 **
00006 ** Licensees holding valid commercial KD Chart licenses may use this file in
00007 ** accordance with the KD Chart Commercial License Agreement provided with
00008 ** the Software.
00009 **
00010 **
00011 ** This file may be distributed and/or modified under the terms of the
00012 ** GNU General Public License version 2 and version 3 as published by the
00013 ** Free Software Foundation and appearing in the file LICENSE.GPL included.
00014 **
00015 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00016 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00017 **
00018 ** Contact info@kdab.com if any conditions of this licensing are not
00019 ** clear to you.
00020 **
00021 **********************************************************************/
00022 
00023 #ifndef KDCHARTSIGNALCOMPRESSOR_H
00024 #define KDCHARTSIGNALCOMPRESSOR_H
00025 
00026 #include <QObject>
00027 #include <QTimer>
00028 
00029 namespace KDChart {
00030 
00051     class SignalCompressor : public QObject
00052     {
00053         Q_OBJECT
00054 
00055     public:
00056         SignalCompressor( QObject* receiver, const char* signal,
00057                           QObject* parent = 0 );
00058 
00059     Q_SIGNALS:
00060         void finallyEmit();
00061 
00062     public Q_SLOTS:
00063         void emitSignal(); // emit() won't work, because of stupid defines
00064 
00065     private Q_SLOTS:
00066         void nowGoAlready();
00067 
00068     private:
00069         QTimer m_timer;
00070     };
00071 
00072 }
00073 
00074 #endif