X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FHYDROGUI%2FHYDROGUI_Displayer.cxx;h=7614db2affce28d64f1c85c1fbaad28ce8d2a5e2;hb=a300fde9adcb04f1d57269c2849e7337a6d3d4a3;hp=548f5e47953bf70b5ac697f2499f2718aaa39bec;hpb=d84fadb6fba0d9ef3926995eab878175cc24e291;p=modules%2Fhydro.git

diff --git a/src/HYDROGUI/HYDROGUI_Displayer.cxx b/src/HYDROGUI/HYDROGUI_Displayer.cxx
index 548f5e47..7614db2a 100644
--- a/src/HYDROGUI/HYDROGUI_Displayer.cxx
+++ b/src/HYDROGUI/HYDROGUI_Displayer.cxx
@@ -30,11 +30,27 @@
 #include "HYDROGUI_PrsZoneDriver.h"
 #include "HYDROGUI_Tool.h"
 
+#include <CurveCreator_Utils.hxx>
+
+#include <LightApp_Application.h>
+#include <SVTK_ViewWindow.h>
+#include <OCCViewer_ViewWindow.h>
+#include <OCCViewer_ViewPort3d.h>
+#include <SUIT_ViewManager.h>
+
+#include <vtkRenderWindowInteractor.h>
+#include <vtkRenderer.h>
+#include <vtkWorldPointPicker.h>
+#include <vtkCamera.h>
+
 #include <GraphicsView_Viewer.h>
 #include <GraphicsView_ViewPort.h>
 
+const double LOCAL_SELECTION_TOLERANCE = 0.0001;
+
 HYDROGUI_Displayer::HYDROGUI_Displayer( HYDROGUI_Module* theModule )
-: HYDROGUI_AbstractDisplayer( theModule )
+: HYDROGUI_AbstractDisplayer( theModule ),
+  myXPosition( -1 ), myYPosition( -1 ), myIsPositionSaved( false )
 {
 }
 
@@ -222,3 +238,123 @@ QString HYDROGUI_Displayer::GetType() const
 {
   return GraphicsView_Viewer::Type();
 }
+
+void HYDROGUI_Displayer::SaveCursorViewPosition( SUIT_ViewWindow* theViewWindow )
+{
+  myIsPositionSaved = false;
+  myXPosition = 0;
+  myYPosition = 0;
+
+  SUIT_ViewWindow* aViewWindow = theViewWindow;
+  if ( !theViewWindow ) {
+    SUIT_ViewManager* aViewMgr = module()->getApp()->activeViewManager();
+    aViewWindow = aViewMgr ? aViewMgr->getActiveView() : 0;
+    if ( !aViewWindow )
+      return;
+  }
+  
+  OCCViewer_ViewWindow* anOCCViewWindow = 
+    dynamic_cast<OCCViewer_ViewWindow*>( aViewWindow );
+  if ( anOCCViewWindow ) {
+    // Get the selected point coordinates
+    OCCViewer_ViewPort3d* aViewPort = anOCCViewWindow->getViewPort();
+    if ( aViewPort ) {
+      QPoint aViewPos = aViewPort->mapFromGlobal( QCursor::pos() );
+      myXPosition = aViewPos.x();
+      myYPosition = aViewPos.y();
+      myIsPositionSaved = true;
+    }
+  }
+  else {
+    SVTK_ViewWindow* aVTKViewWindow = 
+      dynamic_cast<SVTK_ViewWindow*>(aViewWindow);
+    if ( aVTKViewWindow ) {
+      vtkRenderer* aRen = aVTKViewWindow->getRenderer();
+      if ( aRen )
+      {
+        vtkCamera* aCamera = aRen->GetActiveCamera();
+        double* aNormal = aCamera->GetViewPlaneNormal();
+        vtkRenderWindowInteractor* anInteractor = aVTKViewWindow->getInteractor();
+        if ( anInteractor )
+        {
+          anInteractor->GetLastEventPosition( myXPosition, myYPosition );
+          myIsPositionSaved = true;
+        }
+      }
+    }
+  }
+  if (!myIsPositionSaved)
+    int aValue = 0;
+}
+
+bool HYDROGUI_Displayer::GetCursorViewCoordinates( SUIT_ViewWindow* theViewWindow,
+                                                   double& theXCoordinate,
+                                                   double& theYCoordinate,
+                                                   double& theZCoordinate )
+{
+  theXCoordinate = 0;
+  theYCoordinate = 0;
+  theZCoordinate = 0;
+  bool doShow = false;
+  if ( !theViewWindow || !myIsPositionSaved )
+    return doShow;
+  
+  OCCViewer_ViewWindow* anOCCViewWindow = 
+    dynamic_cast<OCCViewer_ViewWindow*>(theViewWindow);
+  if ( anOCCViewWindow ) {
+    // Get the selected point coordinates
+    OCCViewer_ViewPort3d* aViewPort = anOCCViewWindow->getViewPort();
+    if ( !aViewPort ) {
+      return doShow;
+    }
+    gp_Pnt aPnt = CurveCreator_Utils::ConvertClickToPoint( myXPosition, myYPosition,
+                                                           aViewPort->getView() );
+    theXCoordinate = aPnt.X();
+    theYCoordinate = aPnt.Y();
+    doShow = true;
+  } 
+  else
+  {
+    SVTK_ViewWindow* aVTKViewWindow = 
+      dynamic_cast<SVTK_ViewWindow*>(theViewWindow);
+    if ( aVTKViewWindow ) {
+      vtkRenderer* aRen = aVTKViewWindow->getRenderer();
+      if ( aRen )
+      {
+        vtkCamera* aCamera = aRen->GetActiveCamera();
+        double* aNormal = aCamera->GetViewPlaneNormal();
+        myPicker->Pick( myXPosition, myYPosition, 0, aRen );
+        double* aCoords = myPicker->GetPickPosition();
+        /////////////////////// Use the same algorithm as for OCC
+        double X, Y, Z;
+        double aXp, aYp, aZp;
+        double Vx, Vy, Vz;
+        X = aCoords[0];
+        Y = aCoords[1];
+        Z = aCoords[2];
+        Vx = aNormal[0];
+        Vy = aNormal[1];
+        Vz = aNormal[2];
+        Standard_Real aPrec = LOCAL_SELECTION_TOLERANCE;
+        if ( fabs( Vz ) > aPrec ) {
+          double aT = -Z/Vz;
+          aXp = X + aT*Vx;
+          aYp = Y + aT*Vy;
+          aZp = Z + aT*Vz;
+        }
+        else { // Vz = 0 - the eyed plane is orthogonal to Z plane - XOZ, or YOZ
+          aXp = aYp = aZp = 0;
+          if ( fabs( Vy ) < aPrec ) // Vy = 0 - the YOZ plane
+            aYp = Y;
+          else if ( fabs( Vx ) < aPrec ) // Vx = 0 - the XOZ plane
+            aXp = X;
+        }
+        /////////////////////////
+        theXCoordinate = aXp;
+        theYCoordinate = aYp;
+        doShow = true;
+      }
+    } 
+  }
+  return doShow;
+}