#include "HYDROGUI_AbstractDisplayer.h"
#include <QMap>
+#include <QPoint>
+#include <vtkNew.h>
class HYDROGUI_PrsDriver;
-
-class GraphicsView_Viewer;
+class SUIT_ViewWindow;
+class vtkWorldPointPicker;
/**
- * \class HYDROGUI_DataModel
- * \brief Class intended to create, display and update the presentations.
+ * \class HYDROGUI_Displayer
+ * \brief Class intended to create, display and update the presentations in 2D graphics viewer.
*/
class HYDROGUI_Displayer : public HYDROGUI_AbstractDisplayer
{
* \param theObjs sequence of objects to update
* \param theViewerId viewer identifier
*/
- void SetToUpdate( const HYDROData_SequenceOfObjects& theObjs,
- const int theViewerId );
+ void SetToUpdate( const HYDROData_SequenceOfObjects& theObjs,
+ const int theViewerId );
+
+ /**
+ * \brief Get the applicable viewer type.
+ */
+ virtual QString GetType() const;
+ /*
+ * Get the current cursor view position and save it in the displayer
+ * to be used in the obtaining the view coordinates of the cursor.
+ * \param theViewWindow a view window. If a view window is null, an active view is used
+ * only OCC and VTK views are processed
+ */
+ void SaveCursorViewPosition( SUIT_ViewWindow* theViewWindow = 0 );
+ /**
+ * \brief Get the coodinates from the view window, projected on XOY plane
+ * \param theViewWindow a view window
+ * \param theXCoordinate a X coordinate
+ * \param theXCoordinate an Y coordinate
+ * \param theXCoordinate a Z coordinate, has a zero value because of the plane
+ * \return true if the coordinates are got
+ */
+ bool GetCursorViewCoordinates( SUIT_ViewWindow* theViewWindow,
+ double& theXCoordinate,
+ double& theYCoordinate,
+ double& theZCoordinate );
protected:
/**
* \brief Erase all viewer objects.
* \param theViewerId viewer identifier
*/
- void EraseAll( const int theViewerId );
+ void EraseAll( const int theViewerId );
/**
* \brief Erase the specified viewer objects.
* \param theObjs sequence of objects to erase
* \param theViewerId viewer identifier
*/
- void Erase( const HYDROData_SequenceOfObjects& theObjs,
- const int theViewerId );
+ void Erase( const HYDROData_SequenceOfObjects& theObjs,
+ const int theViewerId );
/**
* \brief Display the specified viewer objects.
* \param theIsForced flag used to update all objects, including the unchanged ones
* \param theDoFitAll flag used to fit the view to all visible objects; do not fit by default
*/
- void Display( const HYDROData_SequenceOfObjects& theObjs,
- const int theViewerId,
- const bool theIsForced,
- const bool theDoFitAll );
+ void Display( const HYDROData_SequenceOfObjects& theObjs,
+ const int theViewerId,
+ const bool theIsForced,
+ const bool theDoFitAll );
+protected:
/**
* \brief Purge all invalid objects in the viewer.
* \param theViewerId viewer identifier
*/
- void purgeObjects( const int theViewerId );
+ void purgeObjects( const int theViewerId );
private:
/**
private:
typedef QMap< ObjectKind, HYDROGUI_PrsDriver* > PrsDriversMap;
PrsDriversMap myPrsDriversMap;
+ vtkNew<vtkWorldPointPicker> myPicker;
+ int myXPosition;
+ int myYPosition;
+ bool myIsPositionSaved;
};
#endif