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salome-gui  6.5.0
SUIT_Session.h
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00001 // Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
00002 //
00003 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
00004 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
00005 //
00006 // This library is free software; you can redistribute it and/or
00007 // modify it under the terms of the GNU Lesser General Public
00008 // License as published by the Free Software Foundation; either
00009 // version 2.1 of the License.
00010 //
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 // Lesser General Public License for more details.
00015 //
00016 // You should have received a copy of the GNU Lesser General Public
00017 // License along with this library; if not, write to the Free Software
00018 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00019 //
00020 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00021 //
00022 
00023 #ifndef SUIT_SESSION_H
00024 #define SUIT_SESSION_H
00025 
00026 #include "SUIT.h"
00027 #include "SUIT_Application.h"
00028 
00029 #include <QList>
00030 #include <QObject>
00031 #include <QString>
00032 
00033 #ifdef WIN32
00034 #include <windows.h>
00035 #endif
00036 
00037 #ifdef WIN32
00038 #define LIB_HANDLE HINSTANCE
00039 #else
00040 #define LIB_HANDLE void*
00041 #endif
00042 
00043 class SUIT_ResourceMgr;
00044 class SUIT_ExceptionHandler;
00045 
00046 #ifdef WIN32
00047 #pragma warning( disable:4251 )
00048 #endif
00049 
00054 class SUIT_EXPORT SUIT_Session : public QObject
00055 {
00056   Q_OBJECT
00057 
00058 public:
00059   typedef LIB_HANDLE AppLib;
00060 
00061   enum { ASK = 0, SAVE, DONT_SAVE } CloseMode;
00062   enum { NORMAL = 0, FORCED } ExitStatus;
00063 
00064 public:
00065   SUIT_Session();
00066   virtual ~SUIT_Session();
00067 
00068   static SUIT_Session*         session();
00069 
00070   SUIT_Application*            startApplication( const QString&, int = 0, char** = 0 );
00071 
00072   QList<SUIT_Application*>     applications() const;
00073   SUIT_Application*            activeApplication() const;
00074 
00075   SUIT_ResourceMgr*            resourceMgr() const;
00076 
00077   void                         closeSession( int mode = ASK, int flags = 0 );
00078   int                          exitFlags() const;
00079 
00080   SUIT_ExceptionHandler*       handler() const;
00081 
00082   void                         insertApplication( SUIT_Application* );
00083 
00084 signals:
00085   void                         applicationClosed( SUIT_Application* );
00086 
00087 protected:
00088   virtual SUIT_ResourceMgr*    createResourceMgr( const QString& ) const;
00089 
00090 private slots:
00091   void                         onApplicationClosed( SUIT_Application* );
00092   void                         onApplicationActivated( SUIT_Application* ); 
00093 
00094 private:
00095   typedef QList<SUIT_Application*> AppList;
00096   typedef QMap<QString, AppLib>    AppLibMap;
00097 
00098 private:
00099   QString                      lastError() const;
00100   AppLib                       loadLibrary( const QString&, QString& );
00101   QString                      applicationName( const QString& ) const;
00102 
00103 private:
00104   SUIT_ResourceMgr*            myResMgr;
00105   AppList                      myAppList;
00106   AppLibMap                    myAppLibs;
00107   SUIT_Application*            myActiveApp;
00108 
00109   SUIT_ExceptionHandler*       myHandler;
00110   static SUIT_Session*         mySession;
00111 
00112   int                          myExitStatus;
00113   int                          myExitFlags;
00114 };
00115 
00116 #endif