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OTQt.h

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00001 /* ========================================================================
00002  * Copyright (c) 2006,
00003  * Institute for Computer Graphics and Vision
00004  * Graz University of Technology
00005  * All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions are
00009  * met:
00010  *
00011  * Redistributions of source code must retain the above copyright notice,
00012  * this list of conditions and the following disclaimer.
00013  *
00014  * Redistributions in binary form must reproduce the above copyright
00015  * notice, this list of conditions and the following disclaimer in the
00016  * documentation and/or other materials provided with the distribution.
00017  *
00018  * Neither the name of the Graz University of Technology nor the names of
00019  * its contributors may be used to endorse or promote products derived from
00020  * this software without specific prior written permission.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
00023  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
00024  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00025  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
00026  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00027  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00028  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00029  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00030  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00031  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00032  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033  * ========================================================================
00034  * PROJECT: OpenTracker
00035  * ======================================================================== */
00060 #ifndef OTQT_OTQT_H
00061 #define OTQT_OTQT_H
00062 #include <dllinclude.h>
00063 #if USE_OTQT
00064 
00065 #include "QtMouseEventModule.h"
00066 #include "QtMouseEventCalibModule.h"
00067 #include "OTQtLog.h"
00068 #include <OpenTracker.h>
00069 #include <qobject.h>
00070 #include <qtimer.h>
00071 #include <qmutex.h>
00072 #include <string>
00073 
00074 namespace ot {
00075 
00076     //--------------------------------------------------------------------------------
00107     class OPENTRACKER_API OTQt : public QObject {
00108 
00109         // mandatory macro for the Qt MOC (Meta Object Compiler)
00110         Q_OBJECT
00111 
00112     public:
00114         static int const DEFAULT_TIMER_TIMEOUT_MSEC = 20;
00115 
00122         static OTQt & getInstance();
00123 
00134         static bool triggerMEM(std::string cfg_filename);
00135 
00136     private:
00138         static OTQt * the_instance_;
00139 
00140     public:
00144         virtual ~OTQt();
00145 
00146     protected:
00151         OTQt();
00152 
00153     private:
00154         OTQt(OTQt const & ref);
00155         OTQt operator = (OTQt const & ref);
00156 
00157     public:
00158 
00166         void init(std::string & cfg_filename);
00167 
00173         inline bool isInitialized() const { return is_initialized_; };
00174 
00182         void startTimer(unsigned int timeout = DEFAULT_TIMER_TIMEOUT_MSEC);
00183 
00189         inline bool isTimerActive() const { return timer_->isActive(); };
00190 
00194         void stopTimer();
00195 
00207         bool enableMouseEvents(bool enable) { return (me_mod_->enableQtEventDispatch(enable)); };
00208 
00209     protected:
00210 
00215         inline QtMouseEventModule & getMEM() { return *me_mod_; };
00216 
00221         inline QtMouseEventCalibModule & getMECM() { return *mec_mod_; };
00222 
00223 protected slots:
00241 void driveOT();
00242 
00243     private:
00245         bool is_initialized_;
00247         Context context_;
00249         QtMouseEventModule * me_mod_;
00251         QtMouseEventCalibModule * mec_mod_;
00253         std::string cfg_filename_;
00255         QMutex * mutex_;
00257         QTimer * timer_;
00258 
00259 #if OTQT_DEBUG_ON
00260         unsigned int cycle_counter_;
00261 #endif
00262 
00263     };
00264 
00265 } // namespace ot
00266 
00267 #endif // USE_OTQT
00268 
00269 #endif // OTQT_OTQT_H
00270 
00271 /* 
00272  * ------------------------------------------------------------
00273  *   End of OTQt.h
00274  * ------------------------------------------------------------
00275  *   Automatic Emacs configuration follows.
00276  *   Local Variables:
00277  *   mode:c++
00278  *   c-basic-offset: 4
00279  *   eval: (c-set-offset 'substatement-open 0)
00280  *   eval: (c-set-offset 'case-label '+)
00281  *   eval: (c-set-offset 'statement 'c-lineup-runin-statements)
00282  *   eval: (setq indent-tabs-mode nil)
00283  *   End:
00284  * ------------------------------------------------------------ 
00285  */

copyright (c) 2006 Graz University of Technology