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 /*!
  13  * This object manages the definition and behaviour of a View Window. \n
  14  * In case of definition of this object in an external lib that lib must \n
  15  * have an exported function "createViewModel" which returns newly created \n
  16  * instance of SUIT_ViewModel.
  17  */
  18
  19 #ifdef WIN32
  20 #pragma warning( disable:4251 )
  21 #endif
  22
  23 class SUIT_EXPORT SUIT_ViewModel : public QObject
  24 {
  25         Q_OBJECT
  26 public:
  27   enum HotOperation { PAN, ZOOM, ROTATE, FIT_AREA };
  28
  29   typedef QMap<HotOperation, Qt::ButtonState> StatesMap;
  30   typedef QMap<HotOperation, Qt::ButtonState> ButtonsMap;
  31
  32         SUIT_ViewModel();
  33         virtual ~SUIT_ViewModel();
  34
  35         virtual SUIT_ViewWindow* createView(SUIT_Desktop* theDesktop);
  36
  37         virtual void      setViewManager(SUIT_ViewManager* theViewManager) { myViewManager = theViewManager; }
  38         SUIT_ViewManager* getViewManager() const { return myViewManager; }
  39
  40   virtual QString   getType() const { return "SUIT_ViewModel"; }
  41
  42   virtual void      contextMenuPopup(QPopupMenu*) {}
  43
  44   static void       setHotButton(HotOperation theOper, Qt::ButtonState theState,
  45                                                        Qt::ButtonState theButton);
  46   static void       getHotButton(HotOperation theOper, Qt::ButtonState& theState,
  47                                                        Qt::ButtonState& theButton);
  48
  49 protected:
  50         SUIT_ViewManager* myViewManager;
  51
  52 public:
  53   static StatesMap  myStateMap;
  54   static ButtonsMap myButtonMap;
  55 };
  56
  57 #ifdef WIN32
  58 #pragma warning( default:4251 )
  59 #endif
  60
  61 extern "C"
  62 {
  63   typedef SUIT_ViewModel* (*VIEWMODEL_CREATE_FUNC)();
  64 }
  65
  66 #define VIEWMODEL_CREATE_NAME   "createViewModel"
  67
  68 #endif