vcl/qt5/Qt5Timer.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "Qt5Timer.hxx"
  21 #include <Qt5Timer.moc>
  22
  23 #include <QtWidgets/QApplication>
  24 #include <QtCore/QThread>
  25
  26 Qt5Timer::Qt5Timer()
  27 {
  28     m_aTimer.setSingleShot(true);
  29     // run the timer itself in the main / creator thread
  30     connect(&m_aTimer, SIGNAL(timeout()), this, SLOT(timeoutActivated()), Qt::QueuedConnection);
  31     // QTimer::start() can be called only in its creator thread
  32     connect(this, SIGNAL(startTimerSignal()), this, SLOT(startTimer()), Qt::QueuedConnection);
  33 }
  34
  35 Qt5Timer::~Qt5Timer() {}
  36
  37 void Qt5Timer::timeoutActivated() { CallCallback(); }
  38
  39 void Qt5Timer::startTimer() { m_aTimer.start(); }
  40
  41 void Qt5Timer::Start(sal_uIntPtr nMS)
  42 {
  43     m_aTimer.setInterval(nMS);
  44     if (qApp->thread() == QThread::currentThread())
  45         startTimer();
  46     else
  47         Q_EMIT startTimerSignal();
  48 }
  49
  50 void Qt5Timer::Stop() { m_aTimer.stop(); }
  51
  52 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */