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