Image Component Library (ICL)
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00001 /******************************************************************** 00002 ** Image Component Library (ICL) ** 00003 ** ** 00004 ** Copyright (C) 2006-2013 CITEC, University of Bielefeld ** 00005 ** Neuroinformatics Group ** 00006 ** Website: www.iclcv.org and ** 00007 ** http://opensource.cit-ec.de/projects/icl ** 00008 ** ** 00009 ** File : ICLQt/src/ICLQt/Application.h ** 00010 ** Module : ICLQt ** 00011 ** Authors: Christof Elbrechter ** 00012 ** ** 00013 ** ** 00014 ** GNU LESSER GENERAL PUBLIC LICENSE ** 00015 ** This file may be used under the terms of the GNU Lesser General ** 00016 ** Public License version 3.0 as published by the ** 00017 ** ** 00018 ** Free Software Foundation and appearing in the file LICENSE.LGPL ** 00019 ** included in the packaging of this file. Please review the ** 00020 ** following information to ensure the license requirements will ** 00021 ** be met: http://www.gnu.org/licenses/lgpl-3.0.txt ** 00022 ** ** 00023 ** The development of this software was supported by the ** 00024 ** Excellence Cluster EXC 277 Cognitive Interaction Technology. ** 00025 ** The Excellence Cluster EXC 277 is a grant of the Deutsche ** 00026 ** Forschungsgemeinschaft (DFG) in the context of the German ** 00027 ** Excellence Initiative. ** 00028 ** ** 00029 ********************************************************************/ 00030 00031 #pragma once 00032 00033 #include <ICLUtils/CompatMacros.h> 00034 #include <ICLUtils/Exception.h> 00035 #include <ICLUtils/Function.h> 00036 #include <string> 00037 #include <vector> 00038 00039 #include <QApplication> 00040 #include <QtOpenGL/QGLWidget> 00041 00042 namespace icl{ 00043 00044 namespace qt{ 00045 00047 struct ExecThread; 00050 00051 00100 class ICLQt_API ICLApplication : public QObject{ 00101 00102 public: 00103 QApplication *app; 00104 QGLWidget *sharedWidget; 00105 00107 typedef void (*callback)(void); 00108 00110 struct SecondSingeltonException : public utils::ICLException{ 00112 SecondSingeltonException(const std::string &reason):utils::ICLException(reason){} 00113 }; 00114 00116 00128 ICLApplication(int argc, char **argv, const std::string &paInitString="", 00129 callback init=0, callback run=0, 00130 callback run2=0, callback run3=0, 00131 callback run4=0, callback run5=0)throw (SecondSingeltonException); 00132 00134 ~ICLApplication(); 00135 00137 00139 void addThread(callback cb); 00140 00142 00143 void addInit(callback cb); 00144 00146 00147 void addFinalization(callback cb); 00148 00150 00155 int exec(); 00156 00158 struct AsynchronousEvent{ 00160 virtual void execute() = 0; 00161 00163 virtual ~AsynchronousEvent(){} 00164 }; 00165 00167 00170 void executeInGUIThread(AsynchronousEvent *event, bool blocking = false, bool forcePostEvent = false); 00171 00173 00174 template<class T> 00175 void executeInGUIThread(utils::Function<void,T> f, T data, bool blocking = false, bool forcePostEvent = false){ 00176 struct TmpAsynchronousEvent : public AsynchronousEvent{ 00177 T data; 00178 utils::Function<void,T> f; 00179 TmpAsynchronousEvent(T data, utils::Function<void,T> f):data(data),f(f){} 00180 void execute(){ 00181 f(data); 00182 } 00183 }; 00184 executeInGUIThread(new TmpAsynchronousEvent(data,f),blocking, forcePostEvent); 00185 } 00186 00188 00189 template<class T,class U> 00190 void executeInGUIThread(utils::Function<void,T,U> f, T t, U u, bool blocking = false, bool forcePostEvent = false){ 00191 struct TmpAsynchronousEvent : public AsynchronousEvent{ 00192 T t; 00193 U u; 00194 utils::Function<void,T,U> f; 00195 TmpAsynchronousEvent(T t, U u, utils::Function<void,T,U> f):t(t),u(u),f(f){} 00196 void execute(){ 00197 f(t,u); 00198 } 00199 }; 00200 executeInGUIThread(new TmpAsynchronousEvent(t,u,f),blocking, forcePostEvent); 00201 } 00202 00203 00205 virtual bool event(QEvent *eIn); 00206 00208 static ICLApplication *instance(); 00209 00211 static bool isGUIThreadActive(); 00212 00213 private: 00215 static ICLApplication *s_app; 00216 00218 static std::vector<ExecThread*> s_threads; 00219 00221 static std::vector<callback> s_inits; 00222 00223 00225 static std::vector<callback> s_callbacks; 00226 00228 static std::vector<callback> s_finalizes; 00229 }; 00230 00232 typedef ICLApplication ICLApp; 00233 } // namespace qt 00234 } 00235