rnc: In the frame of the feature EDF 1900, made possible to define a point by clicking in the 3D view when using the Sketcher

src/EntityGUI/EntityGUI.cxx

@@ -29,14 +29,23 @@
 #include <GeometryGUI.h>
 #include "GeometryGUI_Operations.h"
 
+#include <SUIT_Session.h>
 #include <SUIT_Desktop.h>
 #include <SUIT_ViewWindow.h>
 #include <OCCViewer_ViewModel.h>
 #include <OCCViewer_ViewManager.h>
+#include <OCCViewer_ViewWindow.h>
+#include <OCCViewer_ViewPort3d.h>
 #include <SalomeApp_Study.h>
 #include <SalomeApp_Application.h>
 
 #include <TopoDS_Shape.hxx>
+#include <TopoDS.hxx>
+#include <BRep_Tool.hxx>
+#include <ProjLib.hxx>
+#include <ElSLib.hxx>
+
+#include <QMouseEvent>
 
 #include "EntityGUI_SketcherDlg.h" // Sketcher
 #include "EntityGUI_3DSketcherDlg.h" // Sketcher
@@ -94,6 +103,77 @@ bool EntityGUI::OnGUIEvent( int theCommandID, SUIT_Desktop* parent )
   return true;
 }
 
+//=================================================================================
+// function : 0nMousePress()
+// purpose  : [static] manage mouse events
+//=================================================================================
+bool EntityGUI::OnMousePress( QMouseEvent* pe, SUIT_Desktop* parent, SUIT_ViewWindow* theViewWindow )
+{
+  MESSAGE("EntityGUI::OnMousePress")
+  QDialog* aDlg = getGeometryGUI()->GetActiveDialogBox();
+
+  // Create Point dialog, OCC viewer 
+  if ( aDlg && ( QString( aDlg->metaObject()->className() ).compare( "EntityGUI_SketcherDlg" ) == 0 ) &&
+       theViewWindow->getViewManager()->getType() == OCCViewer_Viewer::Type() &&
+       pe->modifiers() != Qt::ControlModifier ) {
+    MESSAGE("Premier if ok!")
+    EntityGUI_SketcherDlg* aPntDlg = (EntityGUI_SketcherDlg*) aDlg;
+    if ( aPntDlg->acceptMouseEvent() ) {
+      OCCViewer_Viewer* anOCCViewer =
+        ( (OCCViewer_ViewManager*)( theViewWindow->getViewManager() ) )->getOCCViewer();
+      Handle(AIS_InteractiveContext) ic = anOCCViewer->getAISContext();
+
+      gp_Pnt aPnt;    
+
+      ic->InitSelected();
+      if ( pe->modifiers() == Qt::ShiftModifier )
+        ic->ShiftSelect();  // Append selection
+      else
+        ic->Select();       // New selection
+
+      ic->InitSelected();
+      if ( ic->MoreSelected() ) {
+        TopoDS_Shape aShape = ic->SelectedShape();
+        if ( !aShape.IsNull() && aShape.ShapeType() == TopAbs_VERTEX )
+          aPnt = BRep_Tool::Pnt( TopoDS::Vertex( ic->SelectedShape() ) );
+      }
+      else {
+        OCCViewer_ViewPort3d* vp =  ((OCCViewer_ViewWindow*)theViewWindow)->getViewPort();
+        aPnt = ConvertClickToPoint( pe->x(), pe->y(), vp->getView() );
+      }
+      
+      Qt::KeyboardModifiers modifiers = pe->modifiers();
+      aPntDlg->OnPointSelected( modifiers, aPnt );  // "feed" the point to point construction dialog
+    } // acceptMouseEvent()
+  }
+  return false;
+}
+
+//=======================================================================
+// function : ConvertClickToPoint()
+// purpose  : Returns the point clicked in 3D view
+//=======================================================================
+gp_Pnt EntityGUI::ConvertClickToPoint( int x, int y, Handle(V3d_View) aView )
+{
+  V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
+  aView->Eye( XEye, YEye, ZEye );
+
+  aView->At( XAt, YAt, ZAt );
+  gp_Pnt EyePoint( XEye, YEye, ZEye );
+  gp_Pnt AtPoint( XAt, YAt, ZAt );
+
+  gp_Vec EyeVector( EyePoint, AtPoint );
+  gp_Dir EyeDir( EyeVector );
+
+  gp_Pln PlaneOfTheView = gp_Pln( AtPoint, EyeDir );
+  Standard_Real X, Y, Z;
+  aView->Convert( x, y, X, Y, Z );
+  gp_Pnt ConvertedPoint( X, Y, Z );
+
+  gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project( PlaneOfTheView, ConvertedPoint );
+  gp_Pnt ResultPoint = ElSLib::Value( ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(), PlaneOfTheView );
+  return ResultPoint;
+}
 
 //=====================================================================================
 // function : DisplaySimulationShape() 
@@ -101,6 +181,7 @@ bool EntityGUI::OnGUIEvent( int theCommandID, SUIT_Desktop* parent )
 //=====================================================================================
 void EntityGUI::DisplaySimulationShape( const TopoDS_Shape& S1, const TopoDS_Shape& S2 ) 
 {
+  MESSAGE("EntityGUI::DisplaySimulationShape")
   SalomeApp_Application* app = getGeometryGUI()->getApp();
   if ( !app ) return;
 
@@ -149,6 +230,7 @@ void EntityGUI::DisplaySimulationShape( const TopoDS_Shape& S1, const TopoDS_Sha
 //==================================================================================
 void EntityGUI::EraseSimulationShape()
 {
+  MESSAGE("EntityGUI::EraseSimulationShape")
   SalomeApp_Application* app = getGeometryGUI()->getApp();
   if ( !app ) return;
 

src/EntityGUI/EntityGUI.h

@@ -32,9 +32,11 @@
 #include <SALOMEDSClient.hxx>
 
 #include <AIS_Shape.hxx>
+#include <V3d_View.hxx>
 
 class TopoDS_Shape;
 
+
 //=================================================================================
 // class    : EntityGUI
 // purpose  :
@@ -46,6 +48,9 @@ public :
   ~EntityGUI();
 
   bool              OnGUIEvent( int, SUIT_Desktop* );
+  bool              OnMousePress( QMouseEvent* pe, SUIT_Desktop* parent, SUIT_ViewWindow* theViewWindow );
+  
+  gp_Pnt            ConvertClickToPoint( int x, int y, Handle(V3d_View) aView );
 
   void              DisplaySimulationShape( const TopoDS_Shape&, const TopoDS_Shape& ); 
   void              EraseSimulationShape();
@@ -57,6 +62,7 @@ public:
   // AIS shape used only during topo/geom simulations
   Handle(AIS_Shape) mySimulationShape1;
   Handle(AIS_Shape) mySimulationShape2;
+  
 };
 
 #endif // ENTITYGUI_H

src/EntityGUI/EntityGUI_SketcherDlg.cxx

@@ -1154,6 +1154,7 @@ void EntityGUI_SketcherDlg::setEnabledRedo( bool value )
 //=================================================================================
 void EntityGUI_SketcherDlg::SelectionIntoArgument()
 {
+  MESSAGE("EntityGUI_SketcherDlg::SelectionIntoArgument")
   myEditCurrentArgument->setText( "" );
   double tmpX = myX;
   double tmpY = myY;
@@ -1171,6 +1172,11 @@ void EntityGUI_SketcherDlg::SelectionIntoArgument()
   aSelMgr->selectedObjects(aSelList);
 
   int nbSel = aSelList.Extent();
+  MESSAGE("NbSel = "<<nbSel)
+  if (nbSel == 0){
+    myX=tmpX;
+    myY=tmpY;
+  }
   if (nbSel == 1 && myEditCurrentArgument == Group1Sel->LineEdit1) {
     GEOM::GEOM_Object_var aSelectedObject = GEOMBase::ConvertIOinGEOMObject( aSelList.First() );
     if ( !CORBA::is_nil(aSelectedObject) ) {
@@ -1489,12 +1495,42 @@ void EntityGUI_SketcherDlg::enterEvent( QEvent* )
 //=================================================================================
 void EntityGUI_SketcherDlg::closeEvent( QCloseEvent* e )
 {
+  MESSAGE("EntityGUI_SketcherDlg::closeEvent")
   //myGeometryGUI->SetState( -1 );
   disconnect( myGeometryGUI->getApp()->selectionMgr(), 0, this, 0 );
   myGeometryGUI->getApp()->updateActions();
   QDialog::closeEvent( e );
 }
 
+//rnc TODO
+//=================================================================================
+// function : OnPointSelected
+// purpose  :
+//=================================================================================
+void EntityGUI_SketcherDlg::OnPointSelected(Qt::KeyboardModifiers modifiers, const gp_Pnt& thePnt)
+{
+  MESSAGE("EntityGUI_SketcherDlg::OnPointSelected")
+  switch (getPnt2ConstructorId()){
+    case 1:
+      Group2Spin->SpinBox_DX->setValue( thePnt.X() );
+      Group2Spin->SpinBox_DY->setValue( thePnt.Y() ); 
+      break;
+    case 0:
+      Group3Spin->SpinBox_DX->setValue( thePnt.X() );
+      Group3Spin->SpinBox_DY->setValue( thePnt.Y() );
+      break;
+    case 2:
+      if (modifiers == Qt::MetaModifier){                // Select center with Meta key
+        Group4Spin->SpinBox_DX->setValue( thePnt.X() );
+        Group4Spin->SpinBox_DY->setValue( thePnt.Y() );
+      }
+      else{                                              // The select end point
+        Group4Spin->SpinBox_DZ->setValue( thePnt.X() );
+        Group4Spin->SpinBox_DS->setValue( thePnt.Y() );
+      }
+      break;
+  }
+}
 
 //=================================================================================
 // function : ValueChangedInSpinBox()
@@ -1502,9 +1538,10 @@ void EntityGUI_SketcherDlg::closeEvent( QCloseEvent* e )
 //=================================================================================
 void EntityGUI_SketcherDlg::ValueChangedInSpinBox( double newValue )
 {
+  MESSAGE("EntityGUI_SketcherDlg::ValueChangedInSpinBox")
   QObject* send = (QObject*)sender();
-  Standard_Real vx, vy, vz, vs, minRad;
+  Standard_Real vx, vy, vz, vs, minRad, dx, dy;
-  vx = vy = vz = vs = minRad =0.0;
+  vx = vy = vz = vs = minRad = dx = dy = 0.0;
 
   SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
   int aPrecision = resMgr->integerValue( "Geometry", "length_precision", 6 );
@@ -1535,7 +1572,15 @@ void EntityGUI_SketcherDlg::ValueChangedInSpinBox( double newValue )
     vy = Group3Spin->SpinBox_DY->value(); vyStr = Group3Spin->SpinBox_DY->text();
     vz = Group3Spin->SpinBox_DZ->value();
     if ( (mySketchType == PT_REL_RADIUS || mySketchType == PT_ABS_RADIUS) && (vx != 0 || vy != 0) ) {  
-      minRad = 0.5 * Sqrt(vx * vx + vy * vy);                             //Computation of the minimum acceptable radius for the arc calculation
+      if (mySketchType == PT_ABS_RADIUS){
+        dx = vx - myLastX1;
+        dy = vy - myLastY1;
+      }
+      else{
+        dx = vx;
+        dy = vy;
+      }
+      minRad = 0.5 * Sqrt(dx * dx + dy * dy);                             //Computation of the minimum acceptable radius for the arc calculation
       if (aPrecision >= 0)    // 'f' format in the QString             
         LastDecimal = aPrecision;
       else                    // 'g' format in the Qstring
@@ -1555,7 +1600,15 @@ void EntityGUI_SketcherDlg::ValueChangedInSpinBox( double newValue )
     vy = newValue;                        vyStr = newValueStr;
     vz = Group3Spin->SpinBox_DZ->value(); vzStr = Group3Spin->SpinBox_DZ->text();
     if ( (mySketchType == PT_REL_RADIUS || mySketchType == PT_ABS_RADIUS) && (vx != 0 || vy != 0)){
-      minRad = 0.5 * Sqrt(vx * vx + vy * vy);                            //Computation of the minimum acceptable radius for the arc calculation
+      if (mySketchType == PT_ABS_RADIUS){
+        dx = vx - myLastX1;
+        dy = vy - myLastY1;
+      }
+      else{
+        dx = vx;
+        dy = vy;
+      }    
+      minRad = 0.5 * Sqrt(dx * dx + dy * dy);                            //Computation of the minimum acceptable radius for the arc calculation
       if (aPrecision >= 0)    // 'f' format in the QString 
         LastDecimal = aPrecision;
       else                    // 'g' format in the QString 
@@ -2366,6 +2419,29 @@ void EntityGUI_SketcherDlg::FindLocalCS()
   }
 }
 
+//rnc TODO
+//=================================================================================
+// function : getPnt1ConstructorId()
+// purpose  :
+//=================================================================================
+int EntityGUI_SketcherDlg::getPnt1ConstructorId() const
+{ 
+  int buttonId = GroupPt->ButtonGroup->checkedId(); 
+  MESSAGE("buttonId = "<<buttonId)
+  return buttonId;
+}
+
+//=================================================================================
+// function : getPnt2ConstructorId()
+// purpose  :
+//=================================================================================
+int EntityGUI_SketcherDlg::getPnt2ConstructorId() const
+{ 
+  int buttonId = GroupPt2->ButtonGroup->checkedId(); 
+  MESSAGE("buttonId = "<<buttonId)
+  return buttonId;
+}
+
 //=================================================================================
 // function : GetActiveLocalCS()
 // purpose  : Get Working plane

src/EntityGUI/EntityGUI_SketcherDlg.h

@@ -73,6 +73,9 @@ public:
 
   bool eventFilter (QObject* object, QEvent* event);
   
+  bool                               acceptMouseEvent() const { return ( getPnt1ConstructorId() == 1 );  } //accept mouse event only on absolute selection mode
+  void                               OnPointSelected( Qt::KeyboardModifiers, const gp_Pnt& ); // called by EntityGUI::OnMousePress()
+
 protected:
   void                               initSpinBox( SalomeApp_DoubleSpinBox*, 
                                                   double, double, double = 0.1, 
@@ -106,6 +109,8 @@ private:
   bool                               createShapes( GEOM::GEOM_Object_ptr,
                                                    TopoDS_Shape&,
                                                    TopoDS_Shape& );
+  int                                getPnt1ConstructorId() const;
+  int                                getPnt2ConstructorId() const;
 
 private:
   int                                myConstructorId;
@@ -168,6 +173,8 @@ private:
 
   int                                myCheckFlag;
   
+  TopAbs_ShapeEnum                   myNeedType;
+
 private:
   enum SketchState { FIRST_POINT, NEXT_POINT };