# KDChartSignalCompressor.cpp

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    00001 /* -*- Mode: C++ -*-
    00002    KDChart - a multi-platform charting engine
    00003    */
    00004
    00005 /****************************************************************************
    00006  ** Copyright (C) 2005-2007 Klarälvdalens Datakonsult AB.  All rights reserved.
    00007  **
    00008  ** This file is part of the KD Chart library.
    00009  **
    00010  ** This file may be distributed and/or modified under the terms of the
    00011  ** GNU General Public License version 2 as published by the Free Software
    00012  ** Foundation and appearing in the file LICENSE.GPL included in the
    00013  ** packaging of this file.
    00014  **
    00015  ** Licensees holding valid commercial KD Chart licenses may use this file in
    00016  ** accordance with the KD Chart Commercial License Agreement provided with
    00017  ** the Software.
    00018  **
    00019  ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    00020  ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    00021  **
    00022  ** See http://www.kdab.net/kdchart for
    00023  **   information about KD Chart Commercial License Agreements.
    00024  **
    00025  ** Contact info@kdab.net if any conditions of this
    00026  ** licensing are not clear to you.
    00027  **
    00028  **********************************************************************/
    00029
    00030 #include "KDChartSignalCompressor.h"
    00031
    00032 using namespace KDChart;
    00033
    00034 SignalCompressor::SignalCompressor( QObject* receiver, const char* signal,
    00035                                     QObject* parent )
    00036     : QObject( parent )
    00037 {
    00038     connect( this, SIGNAL( finallyEmit() ), receiver, signal );
    00039     connect( &m_timer, SIGNAL( timeout() ), SLOT( nowGoAlready() ) );
    00040     m_timer.setSingleShot( true );
    00041     // m_timer.setIntervall( 0 ); // default, just to know...
    00042 }
    00043
    00044 void SignalCompressor::emitSignal()
    00045 {
    00046     if ( !m_timer.isActive() ) m_timer.start();
    00047 }
    00048
    00049 void SignalCompressor::nowGoAlready()
    00050 {
    00051     emit finallyEmit();
    00052 }
    00053
    00054
    00055
    00056