X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FHYDROGUI%2FHYDROGUI_Displayer.h;h=f99815ae0511ddeec48ac7a15e9846e3845e7a43;hb=81c9f5cdf82909d0aebd2c491c50fa7516cc80b7;hp=4d80827278c9bb17e7418691da3b06da2863a0e9;hpb=db1999ae9883edbf6f18672b5f179a6da4871978;p=modules%2Fhydro.git

diff --git a/src/HYDROGUI/HYDROGUI_Displayer.h b/src/HYDROGUI/HYDROGUI_Displayer.h
index 4d808272..f99815ae 100644
--- a/src/HYDROGUI/HYDROGUI_Displayer.h
+++ b/src/HYDROGUI/HYDROGUI_Displayer.h
@@ -26,14 +26,16 @@
 #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
 {
@@ -55,23 +57,47 @@ public:
    * \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.
@@ -80,16 +106,17 @@ protected:
    * \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:
   /**
@@ -101,6 +128,10 @@ private:
 private:
   typedef QMap< ObjectKind, HYDROGUI_PrsDriver* > PrsDriversMap;
   PrsDriversMap                   myPrsDriversMap;
+  vtkNew<vtkWorldPointPicker>     myPicker;
+  int                             myXPosition;
+  int                             myYPosition;
+  bool                            myIsPositionSaved;
 };
 
 #endif