C++ Handle函数代码示例

void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) {
    ResourceMark rm(THREAD);
    HandleMark hm(THREAD);

    // Load and initialize the sun.management.Agent class
    // invoke startRemoteManagementAgent(string) method to start
    // the remote management server.
    // throw java.lang.NoSuchMethodError if the method doesn't exist

    Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
    Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
    instanceKlassHandle ik (THREAD, k);

    JavaValue result(T_VOID);

    // Pass all command line arguments to java as key=value,...
    // All checks are done on java side

    int len = 0;
    stringStream options;
    char comma[2] = {0,0};

    // Leave default values on Agent.class side and pass only
    // agruments explicitly set by user. All arguments passed
    // to jcmd override properties with the same name set by
    // command line with -D or by managmenent.properties
    // file.
#define PUT_OPTION(a) \
    do { \
        if ( (a).is_set() ){ \
            if ( *((a).type()) == 'I' ) { \
                options.print("%scom.sun.management.%s=" JLONG_FORMAT, comma, (a).name(), (jlong)((a).value())); \
            } else { \
                options.print("%scom.sun.management.%s=%s", comma, (a).name(), (char*)((a).value())); \
            } \
            comma[0] = ','; \
        }\
    } while(0);


    PUT_OPTION(_config_file);
    PUT_OPTION(_jmxremote_host);
    PUT_OPTION(_jmxremote_port);
    PUT_OPTION(_jmxremote_rmi_port);
    PUT_OPTION(_jmxremote_ssl);
    PUT_OPTION(_jmxremote_registry_ssl);
    PUT_OPTION(_jmxremote_authenticate);
    PUT_OPTION(_jmxremote_password_file);
    PUT_OPTION(_jmxremote_access_file);
    PUT_OPTION(_jmxremote_login_config);
    PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites);
    PUT_OPTION(_jmxremote_ssl_enabled_protocols);
    PUT_OPTION(_jmxremote_ssl_need_client_auth);
    PUT_OPTION(_jmxremote_ssl_config_file);
    PUT_OPTION(_jmxremote_autodiscovery);
    PUT_OPTION(_jdp_port);
    PUT_OPTION(_jdp_address);
    PUT_OPTION(_jdp_source_addr);
    PUT_OPTION(_jdp_ttl);
    PUT_OPTION(_jdp_pause);
    PUT_OPTION(_jdp_name);

#undef PUT_OPTION

    Handle str = java_lang_String::create_from_str(options.as_string(), CHECK);
    JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK);
}

void Movie::HandlePadAndCircleStatus(Service::HID::PadState& pad_state, s16& circle_pad_x,
                                     s16& circle_pad_y) {
    Handle(pad_state, circle_pad_x, circle_pad_y);
}

 const Session::Handle Session::proxy ( ::HINTERNET object )
 {
     return (Handle(object, &::abandon));
 }

	myAISContext->NextCurrent())            
		myAISContext->SetDisplayMode(myAISContext->Current(), 0);	
		 
TCollection_AsciiString Message ("\
\n\
for (myAISContext->InitCurrent(); myAISContext->MoreCurrent ();  \n\
	myAISContext->NextCurrent ())	    \n\
	myAISContext->SetDisplayMode(myAISContext->Current(), 0);  \n\
\n");

	CString text(Message.ToCString());
	(*myCResultDialog).SetTitle(CString("Wireframe"));
	(*myCResultDialog).SetText(text);
}

void DlgAttributes::Set(Handle ( AIS_InteractiveContext ) & acontext, CResultDialog& aResultDialog)
{
	myAISContext = acontext;
	myCResultDialog=&aResultDialog;
}

void DlgAttributes::OnTransparency() 
{
/*
	for (myAISContext->InitCurrent(); myAISContext->MoreCurrent ();
		 myAISContext->NextCurrent ()) {
			
	
		int ival = (int) ((double) myAISContext->Current()->Transparency()*10.) ;
		double rval = ((double) ival)/10.;
		CDialogTransparency Dlg(NULL, rval);

		{
			/* Set a tab to be active and activate associated window
			(if one exists).*/
			VINT nOldTab = m_nActiveTab;

			/* Save cache of active tab.*/
			m_nActiveTab = nIndex;

			/* Make tab control same setting.*/
			Selection(m_nActiveTab);

			/* Show active tab window and set position.*/
			SetActiveChildPosition();

			/* Hide old window.*/
			HWND hWndOld = (nOldTab != -1) ? Handle(nOldTab) : NULL;

			if ( hWndOld && ::IsWindow(hWndOld) )
				::ShowWindow(hWndOld, SW_HIDE);
		}

		return Selection();
	}

	/** Add a tab and associated window. It is valid to use a temporary or
	non-initialized window here, as it can be set at a later time. Returns
	the index of the tab associated with the window, or -1 on failure. If
	nIndex is -1, the tab will be added to end of existing tabs.*/
	VINT			AddTab(	VSTRING_CONST	pszText,
							VWindow const&	window,
							VINT			nIndex = -1)

 *  destructor
 */
//=============================================================================
GEOMImpl_ILocalOperations::~GEOMImpl_ILocalOperations()
{
  //MESSAGE("GEOMImpl_ILocalOperations::~GEOMImpl_ILocalOperations");
}


//=============================================================================
/*!
 *  MakeFilletAll
 */
//=============================================================================
Handle(GEOM_Object) GEOMImpl_ILocalOperations::MakeFilletAll
									(Handle(GEOM_Object) theShape, const GEOM_Parameter& theR)
{
  SetErrorCode(GEOM_KO);

 #ifdef LOCAL_OPS_CREATE_NEW_OBJECT
  //Add a new Fillet object
  Handle(GEOM_Object) aFillet = GetEngine()->AddObject(GetDocID(), GEOM_FILLET);
 #else
  Handle(GEOM_Object) aFillet = theShape;
 #endif

  Handle(GEOM_Function) aRefShape = theShape->GetLastFunction();
  if (aRefShape.IsNull()) return NULL;

  //Add a new Fillet function
  Handle(GEOM_Function) aFunction =

//=======================================================================
//function : Execute
//purpose  :
//=======================================================================
Standard_Integer GEOMImpl_Fillet1dDriver::Execute(TFunction_Logbook& log) const
{
  if (Label().IsNull()) return 0;
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

  GEOMImpl_IFillet1d aCI (aFunction);

  Handle(GEOM_Function) aRefShape = aCI.GetShape();
  TopoDS_Shape aShape = aRefShape->GetValue();
  if (aShape.IsNull())
    return 0;
  if (aShape.ShapeType() != TopAbs_WIRE)
    Standard_ConstructionError::Raise("Wrong arguments: polyline as wire must be given");

  TopoDS_Wire aWire = TopoDS::Wire(aShape);

  double rad = aCI.GetR();

  if ( rad < Precision::Confusion())
    return 0;

  // collect vertices for make fillet
  TopTools_ListOfShape aVertexList;
  TopTools_MapOfShape mapShape;
  int aLen = aCI.GetLength();
  if ( aLen > 0 ) {
    for (int ind = 1; ind <= aLen; ind++) {
      TopoDS_Shape aShapeVertex;
      if (GEOMImpl_ILocalOperations::GetSubShape
          (aWire, aCI.GetVertex(ind), aShapeVertex))
        if (mapShape.Add(aShapeVertex))
          aVertexList.Append( aShapeVertex );
    }
  } else { // get all vertices from wire
    TopExp_Explorer anExp( aWire, TopAbs_VERTEX );
    for ( ; anExp.More(); anExp.Next() ) {
      if (mapShape.Add(anExp.Current()))
        aVertexList.Append( anExp.Current() );
    }
  }
  if (aVertexList.IsEmpty())
    Standard_ConstructionError::Raise("Invalid input no vertices to make fillet");

  //INFO: this algorithm implemented in assumption that user can select both
  //  vertices of some edges to make fillet. In this case we should remember
  //  already modified initial edges to take care in next fillet step
  TopTools_DataMapOfShapeShape anEdgeToEdgeMap;

  //iterates on vertices, and make fillet on each couple of edges
  //collect result fillet edges in list
  TopTools_ListOfShape aListOfNewEdge;
  // remember relation between initial and modified map
  TopTools_IndexedDataMapOfShapeListOfShape aMapVToEdges;
  TopExp::MapShapesAndAncestors( aWire, TopAbs_VERTEX, TopAbs_EDGE, aMapVToEdges );
  TopTools_ListIteratorOfListOfShape anIt( aVertexList );
  for ( ; anIt.More(); anIt.Next() ) {
    TopoDS_Vertex aV = TopoDS::Vertex( anIt.Value() );
    if ( aV.IsNull() || !aMapVToEdges.Contains( aV ) )
      continue;
    const TopTools_ListOfShape& aVertexEdges = aMapVToEdges.FindFromKey( aV );
    if ( aVertexEdges.Extent() != 2 )
      continue; // no input data to make fillet
    TopoDS_Edge anEdge1 = TopoDS::Edge( aVertexEdges.First() );
    TopoDS_Edge anEdge2 = TopoDS::Edge( aVertexEdges.Last() );
    // check if initial edges already modified in previous fillet operation
    if ( anEdgeToEdgeMap.IsBound( anEdge1 ) ) anEdge1 = TopoDS::Edge(anEdgeToEdgeMap.Find( anEdge1 ));
    if ( anEdgeToEdgeMap.IsBound( anEdge2 ) ) anEdge2 = TopoDS::Edge(anEdgeToEdgeMap.Find( anEdge2 ));
    if ( anEdge1.IsNull() || anEdge2.IsNull() || anEdge1.IsSame( anEdge2 ) )
      continue; //no input data to make fillet

    // create plane on 2 edges
    gp_Pln aPlane;
    if ( !takePlane(anEdge1, anEdge2, aV, aPlane) )
      continue; // seems edges does not belong to same plane or parallel (fillet can not be build)

    GEOMImpl_Fillet1d aFilletAlgo(anEdge1, anEdge2, aPlane);
    if ( !aFilletAlgo.Perform(rad) )
      continue; // can not create fillet with given radius

    // take fillet result in given vertex
    TopoDS_Edge aModifE1, aModifE2;
    TopoDS_Edge aNewE = aFilletAlgo.Result(BRep_Tool::Pnt(aV), aModifE1, aModifE2);
    if (aNewE.IsNull())
      continue; // no result found

    // add  new created edges and take modified edges
    aListOfNewEdge.Append( aNewE );

    // check if face edges modified,
    // if yes, than map to original edges (from vertex-edges list), because edges can be modified before
    if (aModifE1.IsNull() || !anEdge1.IsSame( aModifE1 ))
      addEdgeRelation( anEdgeToEdgeMap, TopoDS::Edge(aVertexEdges.First()), aModifE1 );
    if (aModifE2.IsNull() || !anEdge2.IsSame( aModifE2 ))
      addEdgeRelation( anEdgeToEdgeMap, TopoDS::Edge(aVertexEdges.Last()), aModifE2 );
  }

//.........这里部分代码省略.........

instanceOop MemoryManager::get_memory_manager_instance(TRAPS) {
  // Must do an acquire so as to force ordering of subsequent
  // loads from anything _memory_mgr_obj points to or implies.
  instanceOop mgr_obj = (instanceOop)OrderAccess::load_ptr_acquire(&_memory_mgr_obj);
  if (mgr_obj == NULL) {
    // It's ok for more than one thread to execute the code up to the locked region.
    // Extra manager instances will just be gc'ed.
    klassOop k = Management::sun_management_ManagementFactory_klass(CHECK_0);
    instanceKlassHandle ik(THREAD, k);

    Handle mgr_name = java_lang_String::create_from_str(name(), CHECK_0);

    JavaValue result(T_OBJECT);
    JavaCallArguments args;
    args.push_oop(mgr_name);    // Argument 1

    Symbol* method_name = NULL;
    Symbol* signature = NULL;
    if (is_gc_memory_manager()) {
      method_name = vmSymbols::createGarbageCollector_name();
      signature = vmSymbols::createGarbageCollector_signature();
      args.push_oop(Handle());      // Argument 2 (for future extension)
    } else {
      method_name = vmSymbols::createMemoryManager_name();
      signature = vmSymbols::createMemoryManager_signature();
    }

    JavaCalls::call_static(&result,
                           ik,
                           method_name,
                           signature,
                           &args,
                           CHECK_0);

    instanceOop m = (instanceOop) result.get_jobject();
    instanceHandle mgr(THREAD, m);

    {
      // Get lock before setting _memory_mgr_obj
      // since another thread may have created the instance
      MutexLocker ml(Management_lock);

      // Check if another thread has created the management object.  We reload
      // _memory_mgr_obj here because some other thread may have initialized
      // it while we were executing the code before the lock.
      //
      // The lock has done an acquire, so the load can't float above it, but
      // we need to do a load_acquire as above.
      mgr_obj = (instanceOop)OrderAccess::load_ptr_acquire(&_memory_mgr_obj);
      if (mgr_obj != NULL) {
         return mgr_obj;
      }

      // Get the address of the object we created via call_special.
      mgr_obj = mgr();

      // Use store barrier to make sure the memory accesses associated
      // with creating the management object are visible before publishing
      // its address.  The unlock will publish the store to _memory_mgr_obj
      // because it does a release first.
      OrderAccess::release_store_ptr(&_memory_mgr_obj, mgr_obj);
    }
  }

  return mgr_obj;
}

//=======================================================================
//function : Execute
//purpose  :
//=======================================================================
Standard_Integer GEOMImpl_ConeDriver::Execute(TFunction_Logbook& log) const
{
  if (Label().IsNull()) return 0;
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

  GEOMImpl_ICone aCI (aFunction);
  Standard_Integer aType = aFunction->GetType();

  gp_Pnt aP;
  gp_Vec aV;

  Standard_Real aR1 = aCI.GetR1();
  Standard_Real aR2 = aCI.GetR2();

  if (aType == CONE_R1_R2_H) {
    aP = gp::Origin();
    aV = gp::DZ();

  } else if (aType == CONE_PNT_VEC_R1_R2_H) {
    Handle(GEOM_Function) aRefPoint  = aCI.GetPoint();
    Handle(GEOM_Function) aRefVector = aCI.GetVector();
    TopoDS_Shape aShapePnt = aRefPoint->GetValue();
    TopoDS_Shape aShapeVec = aRefVector->GetValue();
    if (aShapePnt.IsNull() || aShapeVec.IsNull()) {
      Standard_NullObject::Raise
        ("Cone creation aborted: point or vector is not defined");
    }
    if (aShapePnt.ShapeType() != TopAbs_VERTEX ||
        aShapeVec.ShapeType() != TopAbs_EDGE) {
      Standard_TypeMismatch::Raise
        ("Cone creation aborted: point or vector shapes has wrong type");
    }

    aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));

    TopoDS_Edge anE = TopoDS::Edge(aShapeVec);
    TopoDS_Vertex V1, V2;
    TopExp::Vertices(anE, V1, V2, Standard_True);
    if (V1.IsNull() || V2.IsNull()) {
      Standard_NullObject::Raise
        ("Cylinder creation aborted: vector is not defined");
    }
    aV = gp_Vec(BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));

  } else {
    return 0;
  }

  if (aCI.GetH() < 0.0) aV.Reverse();
  gp_Ax2 anAxes (aP, aV);

  double theAngle = aCI.GetAngle();
  if (theAngle == 0.)
	theAngle = PI*2.;

  TopoDS_Shape aShape;
  // Cone does not work if same radius
  if (fabs(aR1 - aR2) <= Precision::Confusion()) {
  
	BRepPrimAPI_MakeCylinder MC (anAxes, (aR1 + aR2)/2.0, Abs(aCI.GetH()), theAngle);

	MC.Build();
    if (!MC.IsDone()) {
      StdFail_NotDone::Raise("Cylinder can't be computed from the given parameters");
    }
    aShape = MC.Shape();
  } else {
    BRepPrimAPI_MakeCone MC (anAxes, aCI.GetR1(), aCI.GetR2(), Abs(aCI.GetH()), theAngle);
    MC.Build();
    if (!MC.IsDone()) {
      StdFail_NotDone::Raise("Cylinder can't be computed from the given parameters");
    }
    aShape = MC.Shape();
  }
  if (aShape.IsNull()) return 0;

  log.SetTouched(Label());

  aFunction->SetValue(aShape);
  return 1;
}

    SALOME_WNT_EXPORT
    int Export( const TopoDS_Shape& theShape,
                const TCollection_AsciiString& theFileName,
                const TCollection_AsciiString& theFormatName)
    {
        MESSAGE("Export OBJ into file " << theFileName.ToCString());

        std::ofstream fout(theFileName.ToCString());

        Standard_Real Umin, Umax, Vmin, Vmax, dUmax, dVmax;
        TopExp_Explorer ExpFace;
        StdPrs_ToolShadedShape SST;

        //Triangulate
        BRepMesh::Mesh(theShape, DEFAULT_DEVIATION);

        Standard_Integer ShapeId = 1;

        Standard_Integer baseV = 0;
        Standard_Integer baseN = 0;
        Standard_Integer baseT = 0;

        for(ExpFace.Init(theShape, TopAbs_FACE); ExpFace.More(); ExpFace.Next()) {

            TopoDS_Face myFace = TopoDS::Face(ExpFace.Current());
            TopLoc_Location aLocation;

            Handle(Poly_Triangulation) myT = BRep_Tool::Triangulation(myFace, aLocation);

            if (!myT.IsNull()) {

                Poly_Connect pc(myT);

                //write vertex buffer
                const TColgp_Array1OfPnt& Nodes = myT->Nodes();
                for (int i = Nodes.Lower(); i <= Nodes.Upper(); i++) {
                    gp_Pnt p = Nodes(i).Transformed(aLocation.Transformation());
                    fout << "v " << p.X() << " " << p.Y() << " " << p.Z() << std::endl;
                }
                fout << std::endl;

                //write normal buffer
                TColgp_Array1OfDir myNormal(Nodes.Lower(), Nodes.Upper());
                SST.Normal(myFace, pc, myNormal);
                //myNormal.Length();
                for (int i = myNormal.Lower(); i <= myNormal.Upper(); i++) {
                    gp_Dir d = myNormal(i).Transformed(aLocation.Transformation());
                    fout << "vn " << d.X() << " " << d.Y() << " " << d.Z() << std::endl;
                }
                fout << std::endl;

                //write uvcoord buffer
                BRepTools::UVBounds(myFace,Umin, Umax, Vmin, Vmax);
                dUmax = (Umax - Umin);
                dVmax = (Vmax - Vmin);
                const TColgp_Array1OfPnt2d& UVNodes = myT->UVNodes();
                for (int i = UVNodes.Lower(); i <= UVNodes.Upper(); i++) {
                    gp_Pnt2d d = UVNodes(i);

                    Standard_Real u = (-UOrigin+(URepeat*(d.X()-Umin))/dUmax)/ScaleU;
                    Standard_Real v = (-VOrigin+(VRepeat*(d.Y()-Vmin))/dVmax)/ScaleV;

                    fout << "vt " << u << " " << v << " 0" << std::endl;
                }
                fout << std::endl;

                //write triangle buffer
                if (Interface_Static::IVal("write.obj.groups"))
                    fout << "g face_" << ShapeId++ << std::endl;

                Standard_Integer n1 , n2 , n3;
                const Poly_Array1OfTriangle& triangles = myT->Triangles();

                for (int nt = 1; nt <= myT->NbTriangles(); nt++) {
                    if (SST.Orientation(myFace) == TopAbs_REVERSED)
                        triangles(nt).Get(n1,n3,n2);
                    else
                        triangles(nt).Get(n1,n2,n3);
                    if (TriangleIsValid (Nodes(n1),Nodes(n2),Nodes(n3)) ) {

                        fout << "f " <<n1 + baseV<<"/"<<n1 + baseT<<"/"<<n1 + baseN<<" "
                             <<n2 + baseV<<"/"<<n2 + baseT<<"/"<<n2 + baseN<<" "
                             <<n3 + baseV<<"/"<<n3 + baseT<<"/"<<n3 + baseN<<" "
                             <<std::endl;
                    }
                }
                fout << std::endl;

                baseV += Nodes.Length();
                baseN += myNormal.Length();
                baseT += UVNodes.Length();
            }
        }

        fout << std::flush;
        fout.close();

        return 1;
    }

jvmtiError
JvmtiEnvBase::get_object_monitor_usage(JavaThread* calling_thread, jobject object, jvmtiMonitorUsage* info_ptr) {
  HandleMark hm;
  Handle hobj;

  bool at_safepoint = SafepointSynchronize::is_at_safepoint();

  // Check arguments
  {
    oop mirror = JNIHandles::resolve_external_guard(object);
    NULL_CHECK(mirror, JVMTI_ERROR_INVALID_OBJECT);
    NULL_CHECK(info_ptr, JVMTI_ERROR_NULL_POINTER);

    hobj = Handle(mirror);
  }

  JavaThread *owning_thread = NULL;
  ObjectMonitor *mon = NULL;
  jvmtiMonitorUsage ret = {
      NULL, 0, 0, NULL, 0, NULL
  };

  uint32_t debug_bits = 0;
  // first derive the object's owner and entry_count (if any)
  {
    // Revoke any biases before querying the mark word
    if (SafepointSynchronize::is_at_safepoint()) {
      BiasedLocking::revoke_at_safepoint(hobj);
    } else {
      BiasedLocking::revoke_and_rebias(hobj, false, calling_thread);
    }

    address owner = NULL;
    {
      markOop mark = hobj()->mark();

      if (!mark->has_monitor()) {
        // this object has a lightweight monitor

        if (mark->has_locker()) {
          owner = (address)mark->locker(); // save the address of the Lock word
        }
        // implied else: no owner
      } else {
        // this object has a heavyweight monitor
        mon = mark->monitor();

        // The owner field of a heavyweight monitor may be NULL for no
        // owner, a JavaThread * or it may still be the address of the
        // Lock word in a JavaThread's stack. A monitor can be inflated
        // by a non-owning JavaThread, but only the owning JavaThread
        // can change the owner field from the Lock word to the
        // JavaThread * and it may not have done that yet.
        owner = (address)mon->owner();
      }
    }

    if (owner != NULL) {
      // This monitor is owned so we have to find the owning JavaThread.
      // Since owning_thread_from_monitor_owner() grabs a lock, GC can
      // move our object at this point. However, our owner value is safe
      // since it is either the Lock word on a stack or a JavaThread *.
      owning_thread = Threads::owning_thread_from_monitor_owner(owner, !at_safepoint);
      assert(owning_thread != NULL, "sanity check");
      if (owning_thread != NULL) {  // robustness
        // The monitor's owner either has to be the current thread, at safepoint
        // or it has to be suspended. Any of these conditions will prevent both
        // contending and waiting threads from modifying the state of
        // the monitor.
        if (!at_safepoint && !JvmtiEnv::is_thread_fully_suspended(owning_thread, true, &debug_bits)) {
          return JVMTI_ERROR_THREAD_NOT_SUSPENDED;
        }
        HandleMark hm;
        Handle     th(owning_thread->threadObj());
        ret.owner = (jthread)jni_reference(calling_thread, th);
      }
      // implied else: no owner
    }

    if (owning_thread != NULL) {  // monitor is owned
      if ((address)owning_thread == owner) {
        // the owner field is the JavaThread *
        assert(mon != NULL,
          "must have heavyweight monitor with JavaThread * owner");
        ret.entry_count = mon->recursions() + 1;
      } else {
        // The owner field is the Lock word on the JavaThread's stack
        // so the recursions field is not valid. We have to count the
        // number of recursive monitor entries the hard way. We pass
        // a handle to survive any GCs along the way.
        ResourceMark rm;
        ret.entry_count = count_locked_objects(owning_thread, hobj);
      }
    }
    // implied else: entry_count == 0
  }

  int nWant,nWait;
  if (mon != NULL) {
    // this object has a heavyweight monitor
//.........这里部分代码省略.........

void CConsoleWindow::HandleMouseEvent(UINT aMessage, WPARAM aWParam, LPARAM aLParam)
	{
	if (!iNoSelection)
		{
		switch(aMessage)
			{
			case WM_LBUTTONDOWN:
				{
				SetCapture(Handle());
				iView->StartSelection(GET_X_LPARAM(aLParam), GET_Y_LPARAM(aLParam));
				break;
				}
			case WM_LBUTTONDBLCLK:
				{
				iView->SelectWord(GET_X_LPARAM(aLParam), GET_Y_LPARAM(aLParam));
				break;
				}
			case WM_MOUSEMOVE:
				{
				RECT clientRect;
				GetClientRect(Handle(), &clientRect);
				POINT mousePos = { GET_X_LPARAM(aLParam), GET_Y_LPARAM(aLParam) };
				if ((mousePos.x > clientRect.right) || (mousePos.x < clientRect.left))
					{
					SCROLLINFO scrollInfo;
					scrollInfo.cbSize = sizeof(scrollInfo);
					scrollInfo.fMask = SIF_POS;
					GetScrollInfo(Handle(), SB_HORZ, &scrollInfo);
					if (mousePos.x > clientRect.right)
						{
						scrollInfo.nPos += iView->CharWidth();
						}
					else
						{
						scrollInfo.nPos -= iView->CharWidth();
						}
					SetScrollInfo (Handle(), SB_HORZ, &scrollInfo, TRUE);
					GetScrollInfo (Handle(), SB_HORZ, &scrollInfo);
					iView->SetHorzScrollPosition(scrollInfo.nPos);
					}
				if ((mousePos.y < clientRect.top) || (mousePos.y > clientRect.bottom))
					{
					SCROLLINFO scrollInfo;
					scrollInfo.cbSize = sizeof(scrollInfo);
					scrollInfo.fMask = SIF_POS;
					GetScrollInfo(Handle(), SB_VERT, &scrollInfo);
					if (mousePos.y < clientRect.top)
						{
						scrollInfo.nPos -= iView->CharHeight();
						}
					else
						{
						scrollInfo.nPos += iView->CharHeight();
						}
					SetScrollInfo (Handle(), SB_VERT, &scrollInfo, TRUE);
					GetScrollInfo (Handle(), SB_VERT, &scrollInfo);
					iView->SetVertScrollPosition(scrollInfo.nPos);
					}

				iView->AdjustSelection(GET_X_LPARAM(aLParam), GET_Y_LPARAM(aLParam));
				break;
				}
			case WM_LBUTTONUP:
				{
				ReleaseCapture();
				iView->EndSelection(GET_X_LPARAM(aLParam), GET_Y_LPARAM(aLParam));
				break;
				}
			default:
				{
				break;
				}
			}
		}
	}

//=======================================================================
//function : Execute
//purpose  :
//======================================================================= 
Standard_Integer GEOMImpl_PlateDriver::Execute(TFunction_Logbook& log) const
{
	if (Label().IsNull()) return 0;
	Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
	if(aFunction.IsNull()) return 0;

	GEOMImpl_IPlate aPI (aFunction);
	Standard_Integer aType = aFunction->GetType();

	TopoDS_Shape aShape;

	if (aType == PLATE_BY_SHAPES_LIST) {
		int ind, aLen = aPI.GetLength();

		if (aLen < 1)
			return 0;

		GeomPlate_BuildPlateSurface aPlate;
		Handle(GeomPlate_Surface) myPlateSurf;

		Handle(GEOM_Function) aRefInitialShape = aPI.GetInitialShape();
		if (!aRefInitialShape.IsNull()) {
			TopoDS_Shape anInitialShape = aRefInitialShape->GetValue();
			if (!anInitialShape.IsNull() && anInitialShape.ShapeType() == TopAbs_FACE)
			{
				aPlate.LoadInitSurface(BRep_Tool::Surface(TopoDS::Face(anInitialShape)));

				TopExp_Explorer exp (anInitialShape, TopAbs_EDGE); //in case we have an init surface we must pass all of it's edges as constrains
				for (; exp.More(); exp.Next()) {                   //otherwise exception is risen from the plate driver
					BRepAdaptor_Curve aCurve(TopoDS::Edge(exp.Current()));
					Handle(BRepAdaptor_HCurve) aHCurve = new BRepAdaptor_HCurve(aCurve);
					Handle(GeomPlate_CurveConstraint) aCrvConstr = new GeomPlate_CurveConstraint(aHCurve, DEFAULT_CONTINUITY);
					aPlate.Add(aCrvConstr);
				}
			}
		}

		for (ind = 1; ind <= aLen; ind++) {
			Handle(GEOM_Function) aRefShape = aPI.GetShape(ind);
			TopoDS_Shape aShape = aRefShape->GetValue();
			if (aShape.ShapeType() == TopAbs_VERTEX) { //case a simple point
				gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShape));
				Handle(GeomPlate_PointConstraint) aPntConstr = new GeomPlate_PointConstraint(aP, DEFAULT_CONTINUITY);
				aPlate.Add(aPntConstr);
			}
			else {
				TopExp_Explorer exp (aShape, TopAbs_EDGE); //this case treats all cases where edges can be found
				Standard_Boolean hasEdge = Standard_False;
				for (; exp.More(); exp.Next()) {
					BRepAdaptor_Curve aCurve(TopoDS::Edge(exp.Current()));
					Handle(BRepAdaptor_HCurve) aHCurve = new BRepAdaptor_HCurve(aCurve);
					Handle(GeomPlate_CurveConstraint) aCrvConstr = new GeomPlate_CurveConstraint(aHCurve, DEFAULT_CONTINUITY);
					aPlate.Add(aCrvConstr);
					hasEdge = Standard_True;
				}
				if (!hasEdge) { //this case treats a compound of points
					exp.Init(aShape, TopAbs_VERTEX);
					for (; exp.More(); exp.Next()) {
						gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(exp.Current()));
						Handle(GeomPlate_PointConstraint) aPntConstr = new GeomPlate_PointConstraint(aP, DEFAULT_CONTINUITY);
						aPlate.Add(aPntConstr);
					}
				}
			}
		}
		aPlate.Perform();
		if (!aPlate.IsDone())
			Standard_ConstructionError::Raise("Plate surface cannot be created using the specific shapes !");
		else
			myPlateSurf = aPlate.Surface();
		GeomPlate_MakeApprox aMKS( myPlateSurf, Precision::Approximation(), DEFAULT_Nbmax, DEFAULT_dgmax, DEFAULT_dmax);
		BRepBuilderAPI_MakeFace MK (aMKS.Surface());
		MK.Build();
		if (!MK.IsDone())
			Standard_ConstructionError::Raise("Plate topology cannot be created !");
		else {
			aShape = MK.Shape();
			BRepCheck_Analyzer ana (aShape, false);
			if (!ana.IsValid()) {
			  Standard_CString anErrStr("Plate algorithm has produced an invalid shape result");
			  #ifdef THROW_ON_INVALID_SH
				Standard_ConstructionError::Raise(anErrStr);
			  #else
				MESSAGE(anErrStr);
				//further processing can be performed here
				//...
				//in case of failure of automatic treatment
				//mark the corresponding GEOM_Object as problematic
				TDF_Label aLabel = aFunction->GetOwnerEntry();
				if (!aLabel.IsRoot()) {
				  Handle(GEOM_Object) aMainObj = GEOM_Object::GetObject(aLabel);
				  if (!aMainObj.IsNull())
				    aMainObj->SetDirty(Standard_True);
				}
			  #endif
			}
//.........这里部分代码省略.........

void GWindow::Pour()
{
	bool SafeToLock = false;

	if (Wnd->IsLocked())
	{
		// I'm already locked... this could be bad if it's not me
		thread_id Thread = WindowHandle()->LockingThread();
		if (Thread != -1)
		{
			if (Thread == find_thread(NULL))
			{
				// it's all ok, I'm locking me
				SafeToLock = true;
			}
			else
			{
				// someone else is locking us
				// ok who is locking me?
				thread_info Info;
				if (get_thread_info(Thread, &Info) == B_OK)
				{
					printf("Evil locking thread: %i (%s)\n", Thread, Info.name);
				}
				else
				{
					printf("Couldn't get evil thread info\n");
				}
			}
		}
	}
	else
	{
		SafeToLock = true;
	}
	
	if (!SafeToLock)
	{
		printf("%s:%i - Not safe to lock for ::Pour.\n", __FILE__, __LINE__);
		return;
	}
	
	bool Lock = Wnd->Lock();
	Wnd->BeginViewTransaction();
	GRect r(Handle()->Frame());
	r.Offset(-r.x1, -r.y1);

	GRegion Client(r);
	GRegion Update;

	if (Menu)
	{
		GRect Mp = Menu->GetPos();
		Mp.x2 = 10000;
		Client.Subtract(&Mp);
	}

	for (GViewI *w = Children.First(); w; w = Children.Next())
	{
		GRect OldPos = w->GetPos();
		Update.Union(&OldPos);

		if (w->Pour(Client))
		{
			if (!w->Visible())
			{
				w->Visible(true);
			}

			Client.Subtract(&w->GetPos());
			Update.Subtract(&w->GetPos());
		}
		else
		{
			// non-pourable
		}
	}

	Wnd->EndViewTransaction();
	Wnd->Sync();

	// Handle()->Invalidate();
	if (Lock) Wnd->Unlock();
}

  STEPIMPORT_EXPORT
  TopoDS_Shape ImportSTEP (const TCollection_AsciiString& theFileName,
                       const TCollection_AsciiString& /*theFormatName*/,
                       TCollection_AsciiString&       theError,
                       const TDF_Label&               theShapeLabel)
  {
    MESSAGE("Import STEP model from file " << theFileName.ToCString());
    // Set "C" numeric locale to save numbers correctly
    //Kernel_Utils::Localizer loc;
    TopoDS_Shape aResShape;
    //VRV: OCC 4.0 migration
    STEPControl_Reader aReader;
    //VSR: 16/09/09: Convert to METERS
    Interface_Static::SetCVal("xstep.cascade.unit","M");
    Interface_Static::SetIVal("read.step.ideas", 1);
    Interface_Static::SetIVal("read.step.nonmanifold", 1);
    //VRV: OCC 4.0 migration
    TopoDS_Compound compound;
    BRep_Builder B;
    B.MakeCompound(compound);
    try {
#if OCC_VERSION_LARGE > 0x06010000
      OCC_CATCH_SIGNALS;
#endif
      IFSelect_ReturnStatus status = aReader.ReadFile(theFileName.ToCString());

      if (status == IFSelect_RetDone) {
        Standard_Boolean failsonly = Standard_False;
        aReader.PrintCheckLoad(failsonly, IFSelect_ItemsByEntity);
        /* Root transfers */
        Standard_Integer nbr = aReader.NbRootsForTransfer();
        aReader.PrintCheckTransfer(failsonly, IFSelect_ItemsByEntity);

        for (Standard_Integer n = 1; n <= nbr; n++) {
          Standard_Boolean ok = aReader.TransferRoot(n);
          /* Collecting resulting entities */
          Standard_Integer nbs = aReader.NbShapes();
          if (!ok || nbs == 0)
          {
            // THROW_SALOME_CORBA_EXCEPTION("Exception catched in GEOM_Gen_i::ImportStep", SALOME::BAD_PARAM);
            continue; // skip empty root
          }
          /* For a single entity */
          else if (nbr == 1 && nbs == 1) {
            aResShape = aReader.Shape(1);
            // ATTENTION: this is a workaround for mantis issue 0020442 remark 0010776
            // It should be removed after patching OCCT for bug OCC22436
            // (fix for OCCT is expected in service pack next to OCCT6.3sp12)
            if (aResShape.ShapeType() == TopAbs_COMPOUND) {
              int nbSub1 = 0;
              TopoDS_Shape currShape;
              TopoDS_Iterator It (aResShape, Standard_True, Standard_True);
              for (; It.More(); It.Next()) {
                nbSub1++;
                currShape = It.Value();
              }
              if (nbSub1 == 1)
                aResShape = currShape;
            }
            // END workaround
            break;
          }

          for (Standard_Integer i = 1; i <= nbs; i++) {
            TopoDS_Shape aShape = aReader.Shape(i);
            if (aShape.IsNull()) {
              // THROW_SALOME_CORBA_EXCEPTION("Null shape in GEOM_Gen_i::ImportStep", SALOME::BAD_PARAM) ;
              //return aResShape;
              continue;
            }
            else {
              B.Add(compound, aShape);
            }
          }
        }
        if (aResShape.IsNull())
          aResShape = compound;

        // BEGIN: Store names of sub-shapes from file
        TopTools_IndexedMapOfShape anIndices;
        TopExp::MapShapes(aResShape, anIndices);

        Handle(Interface_InterfaceModel) Model = aReader.WS()->Model();
        Handle(XSControl_TransferReader) TR = aReader.WS()->TransferReader();
        if (!TR.IsNull()) {
          Handle(Transfer_TransientProcess) TP = TR->TransientProcess();
          Handle(Standard_Type) tPD  = STANDARD_TYPE(StepBasic_ProductDefinition);
          Handle(Standard_Type) tShape  = STANDARD_TYPE(StepShape_TopologicalRepresentationItem);
          Handle(Standard_Type) tGeom  = STANDARD_TYPE(StepGeom_GeometricRepresentationItem);

          Standard_Integer nb = Model->NbEntities();
          for (Standard_Integer ie = 1; ie <= nb; ie++) {
            Handle(Standard_Transient) enti = Model->Value(ie);
            Handle(TCollection_HAsciiString) aName;
            if ( enti->IsKind( tShape ) || enti->IsKind(tGeom))
            {
              aName = Handle(StepRepr_RepresentationItem)::DownCast(enti)->Name();
            }
            else if (enti->DynamicType() == tPD)
            {
//.........这里部分代码省略.........