Refs #288 - the profile section selected and addition mode is activated

[modules/hydro.git] / src / HYDROGUI / HYDROGUI_Module.cxx

diff --git a/src/HYDROGUI/HYDROGUI_Module.cxx b/src/HYDROGUI/HYDROGUI_Module.cxx
index ff2d3a0f5e2b5963e3cc7925221ba6f4e8f22913..c8da5e4d08c7e7451192408b1e43091dee9d5b36 100644 (file)
--- a/src/HYDROGUI/HYDROGUI_Module.cxx
+++ b/src/HYDROGUI/HYDROGUI_Module.cxx
@@ -85,7 +85,10 @@
 #include <SVTK_ViewModel.h>
 #include <SVTK_ViewWindow.h>
 #include <SVTK_Selector.h>
-#include <SVTK_RenderWindowInteractor.h>
+#include <vtkRenderWindowInteractor.h>
+#include <vtkRenderer.h>
+#include <vtkWorldPointPicker.h>
+#include <vtkCamera.h>
 
 #include <OCCViewer_ViewPort3d.h>
 
@@ -101,6 +104,8 @@
 #include <QMouseEvent>
 #include <QStatusBar>
 
+const double LOCAL_SELECTION_TOLERANCE = 0.0001;
+
 static int ViewManagerId = 0;
 
 extern "C" HYDRO_EXPORT CAM_Module* createModule()
@@ -185,6 +190,7 @@ bool HYDROGUI_Module::activateModule( SUIT_Study* theStudy )
   foreach ( const int anId, anObsoleteIds ) {
     myViewManagerMap.remove( anId );
     myObjectStateMap.remove( anId );
+    myObjectDisplayOrderMap.remove( anId );
     myShapesMap.remove( anId );
     myVTKPrsMap.remove( anId );
   }
@@ -862,6 +868,13 @@ void HYDROGUI_Module::setObjectVisible( const int theViewId,
 
     ObjectState& anObjectState = aEntry2ObjectStateMap[ anEntry ];
     anObjectState.Visibility = theState;
+
+    // Remember the display order ( needed for Z layers assignment only )
+    QStringList& anObjectEntries = myObjectDisplayOrderMap[ theViewId ];
+    anObjectEntries.removeAll( anEntry );
+    if ( theState ) {
+      anObjectEntries.append( anEntry );
+    }
   }
 }
 
@@ -1439,6 +1452,8 @@ void HYDROGUI_Module::onMouseMove( SUIT_ViewWindow* theViewWindow, QMouseEvent*
 {
   OCCViewer_ViewWindow* anOCCViewWindow = 
     dynamic_cast<OCCViewer_ViewWindow*>(theViewWindow);
+  bool doShow = false;
+  gp_Pnt aPnt;
   if ( anOCCViewWindow ) {
     // Get the selected point coordinates
     OCCViewer_ViewPort3d* aViewPort = anOCCViewWindow->getViewPort();
@@ -1446,38 +1461,83 @@ void HYDROGUI_Module::onMouseMove( SUIT_ViewWindow* theViewWindow, QMouseEvent*
       return;
     }
 
-    gp_Pnt aPnt = CurveCreator_Utils::ConvertClickToPoint( theEvent->x(), theEvent->y(), 
+    aPnt = CurveCreator_Utils::ConvertClickToPoint( theEvent->x(), theEvent->y(), 
                                                            aViewPort->getView() );
-    // Show the coordinates in the status bar
-    SUIT_Desktop* aDesktop = getApp()->desktop();
-    if ( aDesktop && aDesktop->statusBar() ) {
-      QString aX = HYDROGUI_Tool::GetCoordinateString( aPnt.X() );
-      QString anY = HYDROGUI_Tool::GetCoordinateString( aPnt.Y() );
-      aDesktop->statusBar()->showMessage( tr("COORDINATES_INFO").arg( aX ).arg( anY ) );
-    }
+    doShow = true;
   } 
   else
   {
     SVTK_ViewWindow* aViewWindow = 
       dynamic_cast<SVTK_ViewWindow*>(theViewWindow);
     if ( aViewWindow ) {
-      // Get the selected point coordinates
-      double aCoords[3];
-      SVTK_RenderWindowInteractor* anInteractor = aViewWindow->GetInteractor();
-      if ( anInteractor )
+      vtkRenderer* aRen = aViewWindow->getRenderer();
+      if ( aRen )
       {
-        //TODO: Use a WorldPicker to get current coords
-        //anInteractorStyle->ComputeDisplayToWorld( theEvent->x(), theEvent->y(), 0, aCoords );
-        aCoords[0] = theEvent->x();
-        aCoords[1] = theEvent->y();
-        // Show the coordinates in the status bar
-        SUIT_Desktop* aDesktop = getApp()->desktop();
-        if ( aDesktop && aDesktop->statusBar() ) {
-          QString aX = HYDROGUI_Tool::GetCoordinateString( aCoords[0] );
-          QString anY = HYDROGUI_Tool::GetCoordinateString( aCoords[1] );
-          aDesktop->statusBar()->showMessage( tr("COORDINATES_INFO").arg( aX ).arg( anY ) );
+        vtkCamera* aCamera = aRen->GetActiveCamera();
+        double* aNormal = aCamera->GetViewPlaneNormal();
+        int event_x, event_y;
+        vtkRenderWindowInteractor* anInteractor = aViewWindow->getInteractor();
+        if ( anInteractor )
+        {
+          anInteractor->GetLastEventPosition(event_x, event_y);
+          // Use a WorldPicker to get current coords
+          myPicker->Pick( event_x, event_y, 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;
+          }
+          /////////////////////////
+          doShow = true;
+          aPnt.SetX( aXp );
+          aPnt.SetY( aYp );
         }
       }
     } 
   }
+  if ( doShow )
+  {
+    // Show the coordinates in the status bar
+    SUIT_Desktop* aDesktop = getApp()->desktop();
+    if ( aDesktop && aDesktop->statusBar() ) {
+      QString aX = HYDROGUI_Tool::GetCoordinateString( aPnt.X() );
+      QString anY = HYDROGUI_Tool::GetCoordinateString( aPnt.Y() );
+      aDesktop->statusBar()->showMessage( tr("COORDINATES_INFO").arg( aX ).arg( anY ) );
+    }
+  }
+}
+
+/**
+ * Get the object display order. Needed for Z layers assignment only.
+ */
+int HYDROGUI_Module::getObjectDisplayOrder( 
+  const int theViewId, const Handle(HYDROData_Entity)& theObject) const
+{
+  if( theObject.IsNull() )
+    return -1;
+
+  QString anEntry = HYDROGUI_DataObject::dataObjectEntry( theObject );
+  QStringList anObjectEntries = myObjectDisplayOrderMap.value( theViewId );
+
+  return anObjectEntries.indexOf( anEntry );
 }
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