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kmtimer.cpp
1 /*
2  * This file is part of the KDE libraries
3  * Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License version 2 as published by the Free Software Foundation.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public License
15  * along with this library; see the file COPYING.LIB. If not, write to
16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  **/
19 
20 #include "kmtimer.h"
21 #include "kmfactory.h"
22 
23 #include <kconfig.h>
24 
25 KMTimer* KMTimer::m_self = 0;
26 
27 KMTimer* KMTimer::self()
28 {
29  if (!m_self)
30  {
31  m_self = new KMTimer(KMFactory::self(), "InternalTimer");
32  Q_CHECK_PTR(m_self);
33  }
34  return m_self;
35 }
36 
37 KMTimer::KMTimer(TQObject *parent, const char *name)
38 : TQTimer(parent, name), m_count(0)
39 {
40  connect(this, TQT_SIGNAL(timeout()), TQT_SLOT(slotTimeout()));
41 }
42 
43 KMTimer::~KMTimer()
44 {
45  m_self = 0;
46 }
47 
48 void KMTimer::hold()
49 {
50  if ((m_count++) == 0)
51  stop();
52 }
53 
54 void KMTimer::release()
55 {
56  releaseTimer(false);
57 }
58 
59 void KMTimer::release(bool do_emit)
60 {
61  releaseTimer(do_emit);
62 }
63 
64 void KMTimer::releaseTimer(bool do_emit)
65 {
66  m_count = QMAX(0, m_count-1);
67  if (m_count == 0)
68  {
69  if (do_emit)
70  emit timeout();
71  startTimer();
72  }
73 }
74 
75 void KMTimer::delay(int t)
76 {
77  startTimer(t);
78 }
79 
80 void KMTimer::slotTimeout()
81 {
82  startTimer();
83 }
84 
85 void KMTimer::startTimer(int t)
86 {
87  if (t == -1)
88  {
89  KConfig *conf = KMFactory::self()->printConfig();
90  conf->setGroup("General");
91  t = conf->readNumEntry("TimerDelay", 5) * 1000;
92  }
93  start(t, true);
94 }
95 
96 #include "kmtimer.moc"

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