src/SUIT/SUIT_ViewModel.h

   1 #ifndef SUIT_VIEWMODEL_H
   2 #define SUIT_VIEWMODEL_H
   3
   4 #include "SUIT.h"
   5 #include "SUIT_Desktop.h"
   6 #include "SUIT_ViewWindow.h"
   7 #include "SUIT_ViewManager.h"
   8
   9 #include <qobject.h>
  10 #include <qcursor.h>
  11
  12 #ifdef WIN32
  13 #pragma warning( disable:4251 )
  14 #endif
  15 /*!
  16  * This object manages the definition and behaviour of a View Window. \n
  17  * In case of definition of this object in an external lib that lib must \n
  18  * have an exported function "createViewModel" which returns newly created \n
  19  * instance of SUIT_ViewModel.
  20  */
  21 class SUIT_EXPORT SUIT_ViewModel : public QObject
  22 {
  23         Q_OBJECT
  24 public:
  25   enum HotOperation { PAN, ZOOM, ROTATE, FIT_AREA };
  26
  27   typedef QMap<HotOperation, Qt::ButtonState> StatesMap;
  28   typedef QMap<HotOperation, Qt::ButtonState> ButtonsMap;
  29
  30         SUIT_ViewModel();
  31         virtual ~SUIT_ViewModel();
  32
  33         virtual SUIT_ViewWindow* createView(SUIT_Desktop* theDesktop);
  34
  35         virtual void      setViewManager(SUIT_ViewManager* theViewManager) { myViewManager = theViewManager; }
  36         SUIT_ViewManager* getViewManager() const { return myViewManager; }
  37
  38   virtual QString   getType() const { return "SUIT_ViewModel"; }
  39
  40   virtual void      contextMenuPopup(QPopupMenu*) {}
  41
  42   static void       setHotButton(HotOperation theOper, Qt::ButtonState theState,
  43                                                        Qt::ButtonState theButton);
  44   static void       getHotButton(HotOperation theOper, Qt::ButtonState& theState,
  45                                                        Qt::ButtonState& theButton);
  46
  47 protected:
  48         SUIT_ViewManager* myViewManager;
  49
  50 public:
  51   static StatesMap  myStateMap;
  52   static ButtonsMap myButtonMap;
  53 };
  54
  55 #ifdef WIN32
  56 #pragma warning( default:4251 )
  57 #endif
  58
  59 extern "C"
  60 {
  61   typedef SUIT_ViewModel* (*VIEWMODEL_CREATE_FUNC)();
  62 }
  63
  64 #define VIEWMODEL_CREATE_NAME   "createViewModel"
  65
  66 #endif