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/*
Copyright (C) 2010 Timothy Pearson <kb9vqf@pearsoncomputing.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef TQTIMER_H
#define TQTIMER_H
#include <tqt.h>
#ifdef USE_QT3
// Reimplement the QTimer class
// For Qt3, no changes are needed
#include <qtimer.h>
#endif // USE_QT3
#ifdef USE_QT4
// Reimplement the QTimer class
// For Qt4, some changes are needed
// Linker tricks required to override a class without changing its name
#define QTimer IQTimer
#include <qtimer.h>
#undef QTimer
class QTimer : public IQTimer {
// This is taken straight from the Qt header file, with all Q_OBJECT, slot, and similar keywords stripped out.
// This is the last and most obnoxious part of the linker tricks mentioned above
// Essentially, the compiler needs to know that these Q functions exist so that the above I functions
// are not attempted to link. Instead, these empty declarations allow the linker to pull in the complete Q function
// from the Qt toolkit in use. Convoluted, yes, but it should make maintinance MUCH easier as the Qt API changes.
public:
QTimer( QObject *parent=0, const char *name=0 );
~QTimer();
bool isActive() const;
int start( int msec, bool sshot = FALSE );
void changeInterval( int msec );
void stop();
static void singleShot( int msec, QObject *receiver, const char *member );
int timerId() const { return id; }
void timeout();
protected:
bool event( QEvent * );
private:
int id;
uint single : 1;
uint nulltimer : 1;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
QTimer( const QTimer & );
QTimer &operator=( const QTimer & );
#endif
// End Qt header file copy
// This is where the new member functions should be placed
// Unlike the above copied block, these members must be defined in the associated .cpp file,
// and they should usually do something. Feel free to include as many Qt files as needed
// in the cpp source file, but DO NOT include them in this header file.
int myNewFunction(int parameter_one);
};
inline bool QTimer::isActive() const
{
return id >= 0;
}
#endif // USE_QT4
// #ifdef USE_QT4
//
// // Reimplement the QTimer class
// // For Qt4, a few overrides are required
// // Specifically, these functions were altered:
// // OLD: NEW:
// //
//
// #include <qtimer.h>
//
// class Q_EXPORT TQTimer : public QTimer
// {
// Q_OBJECT
// public:
// TQTimer( QObject *parent=0, const char *name=0 );
// ~TQTimer();
//
// // FIXME: Example ONLY
// virtual void oldFunction ();
// };
//
// #endif // USE_QT4
#endif /* TQTIMER_H */
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