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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., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, 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(TQObject *parent, const char *name)
00038 : TQTimer(parent, name), m_count(0)
00039 {
00040     connect(this, TQT_SIGNAL(timeout()), TQT_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"

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