kdeprint Library API Documentation

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"
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This file is part of the documentation for kdeprint Library Version 3.3.0.
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