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# kmtimer.cpp

    00001 /*
    00002  *  This file is part of the KDE libraries
    00003  *  Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
    00004  *
    00005  *  This library is free software; you can redistribute it and/or
    00006  *  modify it under the terms of the GNU Library General Public
    00007  *  License version 2 as published by the Free Software Foundation.
    00008  *
    00009  *  This library is distributed in the hope that it will be useful,
    00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00012  *  Library General Public License for more details.
    00013  *
    00014  *  You should have received a copy of the GNU Library General Public License
    00015  *  along with this library; see the file COPYING.LIB.  If not, write to
    00016  *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00017  *  Boston, MA 02111-1307, USA.
    00018  **/
    00019
    00020 #include "kmtimer.h"
    00021 #include "kmfactory.h"
    00022
    00023 #include <kconfig.h>
    00024
    00025 KMTimer* KMTimer::m_self = 0;
    00026
    00027 KMTimer* KMTimer::self()
    00028 {
    00029     if (!m_self)
    00030     {
    00031         m_self = new KMTimer(KMFactory::self(), "InternalTimer");
    00032         Q_CHECK_PTR(m_self);
    00033     }
    00034     return m_self;
    00035 }
    00036
    00037 KMTimer::KMTimer(QObject *parent, const char *name)
    00038 : QTimer(parent, name), m_count(0)
    00039 {
    00040     connect(this, SIGNAL(timeout()), SLOT(slotTimeout()));
    00041 }
    00042
    00043 KMTimer::~KMTimer()
    00044 {
    00045     m_self = 0;
    00046 }
    00047
    00048 void KMTimer::hold()
    00049 {
    00050     if ((m_count++) == 0)
    00051         stop();
    00052 }
    00053
    00054 void KMTimer::release()
    00055 {
    00056     releaseTimer(false);
    00057 }
    00058
    00059 void KMTimer::release(bool do_emit)
    00060 {
    00061     releaseTimer(do_emit);
    00062 }
    00063
    00064 void KMTimer::releaseTimer(bool do_emit)
    00065 {
    00066     m_count = QMAX(0, m_count-1);
    00067     if (m_count == 0)
    00068     {
    00069         if (do_emit)
    00070             emit timeout();
    00071         startTimer();
    00072     }
    00073 }
    00074
    00075 void KMTimer::delay(int t)
    00076 {
    00077     startTimer(t);
    00078 }
    00079
    00080 void KMTimer::slotTimeout()
    00081 {
    00082     startTimer();
    00083 }
    00084
    00085 void KMTimer::startTimer(int t)
    00086 {
    00087     if (t == -1)
    00088     {
    00089         KConfig *conf = KMFactory::self()->printConfig();
    00090         conf->setGroup("General");
    00091         t = conf->readNumEntry("TimerDelay", 5) * 1000;
    00092     }
    00093     start(t, true);
    00094 }
    00095
    00096 #include "kmtimer.moc"

This file is part of the documentation for kdeprint Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Sat Jun 11 20:31:03 2005 by doxygen 1.4.1 written by Dimitri van Heesch, © 1997-2003