src/PartSet/PartSet_WidgetPoint2d.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        PartSet_WidgetPoint2D.cpp
   4 // Created:     25 Apr 2014
   5 // Author:      Natalia ERMOLAEVA
   6
   7 #include "PartSet_WidgetPoint2d.h"
   8 #include <PartSet_Tools.h>
   9 #include <PartSet_Module.h>
  10
  11 #include <XGUI_Tools.h>
  12 #include <XGUI_Workshop.h>
  13 #include <XGUI_Displayer.h>
  14
  15 #include <ModuleBase_ParamSpinBox.h>
  16 #include <ModuleBase_Tools.h>
  17 #include <ModuleBase_IViewer.h>
  18 #include <ModuleBase_IViewWindow.h>
  19 #include <ModuleBase_ISelection.h>
  20
  21 #include <Config_Keywords.h>
  22 #include <Config_WidgetAPI.h>
  23
  24 #include <Events_Loop.h>
  25 #include <ModelAPI_Events.h>
  26 #include <ModelAPI_AttributeBoolean.h>
  27
  28 #include <ModelAPI_Feature.h>
  29 #include <ModelAPI_Data.h>
  30 #include <ModelAPI_Object.h>
  31 #include <GeomDataAPI_Point2D.h>
  32 #include <GeomAPI_Pnt2d.h>
  33
  34 #include <SketchPlugin_Feature.h>
  35 #include <SketchPlugin_ConstraintCoincidence.h>
  36 #include <SketchPlugin_Line.h>
  37 #include <SketchPlugin_Arc.h>
  38 #include <SketchPlugin_Circle.h>
  39 #include <SketchPlugin_Point.h>
  40
  41 #include <QGroupBox>
  42 #include <QGridLayout>
  43 #include <QLabel>
  44 #include <QEvent>
  45 #include <QMouseEvent>
  46 #include <QApplication>
  47
  48 #include <TopoDS.hxx>
  49 #include <TopoDS_Vertex.hxx>
  50 #include <BRep_Tool.hxx>
  51
  52 #include <cfloat>
  53 #include <climits>
  54
  55 const double MaxCoordinate = 1e12;
  56
  57 static QStringList MyFeaturesForCoincedence;
  58
  59 PartSet_WidgetPoint2D::PartSet_WidgetPoint2D(QWidget* theParent,
  60                                              ModuleBase_IWorkshop* theWorkshop,
  61                                              const Config_WidgetAPI* theData)
  62 : ModuleBase_ModelWidget(theParent, theData), myWorkshop(theWorkshop),
  63   myValueIsCashed(false), myIsFeatureVisibleInCash(true),
  64   myXValueInCash(0), myYValueInCash(0)
  65 {
  66   if (MyFeaturesForCoincedence.isEmpty()) {
  67     MyFeaturesForCoincedence << SketchPlugin_Line::ID().c_str()
  68       << SketchPlugin_Arc::ID().c_str()
  69       << SketchPlugin_Point::ID().c_str()
  70       << SketchPlugin_Circle::ID().c_str();
  71   }
  72
  73   // the control should accept the focus, so the boolean flag is corrected to be true
  74   myIsObligatory = true;
  75   //myOptionParam = theData->getProperty(PREVIOUS_FEATURE_PARAM);
  76   QString aPageName = QString::fromStdString(theData->getProperty(CONTAINER_PAGE_NAME));
  77   myGroupBox = new QGroupBox(aPageName, theParent);
  78   myGroupBox->setFlat(false);
  79
  80   bool aAcceptVariables = theData->getBooleanAttribute(DOUBLE_WDG_ACCEPT_EXPRESSIONS, true);
  81
  82   QGridLayout* aGroupLay = new QGridLayout(myGroupBox);
  83   ModuleBase_Tools::adjustMargins(aGroupLay);
  84   aGroupLay->setSpacing(2);
  85   aGroupLay->setColumnStretch(1, 1);
  86   {
  87     QLabel* aLabel = new QLabel(myGroupBox);
  88     aLabel->setText(tr("X "));
  89     aGroupLay->addWidget(aLabel, 0, 0);
  90
  91     myXSpin = new ModuleBase_ParamSpinBox(myGroupBox);
  92     myXSpin->setAcceptVariables(aAcceptVariables);
  93     myXSpin->setMinimum(-DBL_MAX);
  94     myXSpin->setMaximum(DBL_MAX);
  95     myXSpin->setToolTip(tr("X"));
  96     aGroupLay->addWidget(myXSpin, 0, 1);
  97
  98     connect(myXSpin, SIGNAL(valueChanged(const QString&)), this, SIGNAL(valuesModified()));
  99   }
 100   {
 101     QLabel* aLabel = new QLabel(myGroupBox);
 102     aLabel->setText(tr("Y "));
 103     aGroupLay->addWidget(aLabel, 1, 0);
 104
 105     myYSpin = new ModuleBase_ParamSpinBox(myGroupBox);
 106     myYSpin->setAcceptVariables(aAcceptVariables);
 107     myYSpin->setMinimum(-DBL_MAX);
 108     myYSpin->setMaximum(DBL_MAX);
 109     myYSpin->setToolTip(tr("Y"));
 110     aGroupLay->addWidget(myYSpin, 1, 1);
 111
 112     connect(myYSpin, SIGNAL(valueChanged(const QString&)), this, SIGNAL(valuesModified()));
 113   }
 114   QVBoxLayout* aLayout = new QVBoxLayout(this);
 115   ModuleBase_Tools::zeroMargins(aLayout);
 116   aLayout->addWidget(myGroupBox);
 117   setLayout(aLayout);
 118 }
 119
 120 bool PartSet_WidgetPoint2D::resetCustom()
 121 {
 122   bool aDone = false;
 123   if (!isUseReset() || isComputedDefault() || myXSpin->hasVariable() || myYSpin->hasVariable()) {
 124     aDone = false;
 125   }
 126   else {
 127     if (myValueIsCashed) {
 128       // if the restored value should be hidden, aDone = true to set
 129       // reset state for the widget in the parent
 130       aDone = restoreCurentValue();
 131     }
 132     else {
 133       bool isOk;
 134       double aDefValue = QString::fromStdString(getDefaultValue()).toDouble(&isOk);
 135       // it is important to block the spin box control in order to do not through out the
 136       // locking of the validating state.
 137       ModuleBase_Tools::setSpinValue(myXSpin, isOk ? aDefValue : 0.0);
 138       ModuleBase_Tools::setSpinValue(myYSpin, isOk ? aDefValue : 0.0);
 139       storeValueCustom();
 140       aDone = true;
 141     }
 142   }
 143   return aDone;
 144 }
 145
 146 PartSet_WidgetPoint2D::~PartSet_WidgetPoint2D()
 147 {
 148 }
 149
 150 bool PartSet_WidgetPoint2D::setSelection(QList<ModuleBase_ViewerPrs>& theValues,
 151                                          const bool theToValidate)
 152 {
 153   bool isDone = false;
 154   if (theValues.empty())
 155     return isDone;
 156
 157   ModuleBase_ViewerPrs aValue = theValues.takeFirst();
 158   TopoDS_Shape aShape = aValue.shape();
 159   if (!aShape.IsNull()) {
 160     Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 161     double aX, aY;
 162     if (getPoint2d(aView, aShape, aX, aY)) {
 163       isDone = setPoint(aX, aY);
 164       PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aX, aY);
 165     }
 166   }
 167   else if (canBeActivatedByMove()) {
 168     if (feature()->getKind() == SketchPlugin_Line::ID()) {
 169       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aValue.object());
 170       // Initialize new line with first point equal to end of previous
 171       if (aFeature.get()) {
 172         std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 173         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 174           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 175                                        aData->attribute(SketchPlugin_Line::END_ID()));
 176         if (aPoint) {
 177           setPoint(aPoint->x(), aPoint->y());
 178           PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aPoint->x(),
 179                                         aPoint->y());
 180           isDone = true;
 181         }
 182       }
 183     }
 184   }
 185   return isDone;
 186 }
 187
 188 void PartSet_WidgetPoint2D::selectContent()
 189 {
 190   myXSpin->selectAll();
 191 }
 192
 193 bool PartSet_WidgetPoint2D::setPoint(double theX, double theY)
 194 {
 195   if (fabs(theX) >= MaxCoordinate)
 196     return false;
 197   if (fabs(theY) >= MaxCoordinate)
 198     return false;
 199
 200   ModuleBase_Tools::setSpinValue(myXSpin, theX);
 201   ModuleBase_Tools::setSpinValue(myYSpin, theY);
 202
 203   storeValue();
 204   return true;
 205 }
 206
 207 bool PartSet_WidgetPoint2D::storeValueCustom() const
 208 {
 209   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 210   if (!aData) // can be on abort of sketcher element
 211     return false;
 212   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 213       aData->attribute(attributeID()));
 214
 215   PartSet_WidgetPoint2D* that = (PartSet_WidgetPoint2D*) this;
 216   bool isBlocked = that->blockSignals(true);
 217   bool isImmutable = aPoint->setImmutable(true);
 218
 219   // if text is not empty then setValue will be ignored
 220   // so we should set the text at first
 221   aPoint->setText(myXSpin->hasVariable() ? myXSpin->text().toStdString() : "",
 222                   myYSpin->hasVariable() ? myYSpin->text().toStdString() : "");
 223   aPoint->setValue(!myXSpin->hasVariable() ? myXSpin->value() : aPoint->x(),
 224                    !myYSpin->hasVariable() ? myYSpin->value() : aPoint->y());
 225
 226   // after movement the solver will call the update event: optimization
 227   moveObject(myFeature);
 228   aPoint->setImmutable(isImmutable);
 229   that->blockSignals(isBlocked);
 230
 231   return true;
 232 }
 233
 234 bool PartSet_WidgetPoint2D::restoreValueCustom()
 235 {
 236   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 237   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 238       aData->attribute(attributeID()));
 239   QString aTextX = QString::fromStdString(aPoint->textX());
 240   QString aTextY = QString::fromStdString(aPoint->textY());
 241
 242   bool isDouble = false;
 243   double aVal = 0;
 244   if (aTextX.isEmpty()) {
 245     ModuleBase_Tools::setSpinValue(myXSpin, aPoint->x());
 246   } else {
 247     aVal = aTextX.toDouble(&isDouble);
 248     if (isDouble)
 249       ModuleBase_Tools::setSpinValue(myXSpin, aVal);
 250     else
 251       ModuleBase_Tools::setSpinText(myXSpin, aTextX);
 252   }
 253   if (aTextY.isEmpty()) {
 254     ModuleBase_Tools::setSpinValue(myYSpin, aPoint->y());
 255   } else {
 256     aVal = aTextY.toDouble(&isDouble);
 257     if (isDouble)
 258       ModuleBase_Tools::setSpinValue(myYSpin, aVal);
 259     else
 260       ModuleBase_Tools::setSpinText(myYSpin, aTextY);
 261   }
 262   //if (aTextX.empty() || aTextY.empty()) {
 263   //  ModuleBase_Tools::setSpinValue(myXSpin, aPoint->x());
 264   //  ModuleBase_Tools::setSpinValue(myYSpin, aPoint->y());
 265   //} else {
 266   //  ModuleBase_Tools::setSpinText(myXSpin, QString::fromStdString(aTextX));
 267   //  ModuleBase_Tools::setSpinText(myYSpin, QString::fromStdString(aTextY));
 268   //}
 269   return true;
 270 }
 271
 272 void PartSet_WidgetPoint2D::storeCurentValue()
 273 {
 274   // do not use cash if a variable is used
 275   if (myXSpin->hasVariable() || myYSpin->hasVariable())
 276     return;
 277
 278   myValueIsCashed = true;
 279   myIsFeatureVisibleInCash = XGUI_Displayer::isVisible(
 280                        XGUI_Tools::workshop(myWorkshop)->displayer(), myFeature);
 281   myXValueInCash = myXSpin->value();
 282   myYValueInCash = myYSpin->value();
 283 }
 284
 285 bool PartSet_WidgetPoint2D::restoreCurentValue()
 286 {
 287   bool aRestoredAndHidden = true;
 288
 289   bool isVisible = myIsFeatureVisibleInCash;
 290   // fill the control widgets by the cashed value
 291
 292   myValueIsCashed = false;
 293   myIsFeatureVisibleInCash = true;
 294   ModuleBase_Tools::setSpinValue(myXSpin, myXValueInCash);
 295   ModuleBase_Tools::setSpinValue(myYSpin, myYValueInCash);
 296
 297   // store value to the model
 298   storeValueCustom();
 299   if (isVisible) {
 300     setValueState(Stored);
 301     aRestoredAndHidden = false;
 302   }
 303   else
 304     aRestoredAndHidden = true;
 305
 306   return aRestoredAndHidden;
 307 }
 308
 309 QList<QWidget*> PartSet_WidgetPoint2D::getControls() const
 310 {
 311   QList<QWidget*> aControls;
 312   aControls.append(myXSpin);
 313   aControls.append(myYSpin);
 314   return aControls;
 315 }
 316
 317
 318 void PartSet_WidgetPoint2D::activateCustom()
 319 {
 320   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 321   connect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
 322           this, SLOT(onMouseMove(ModuleBase_IViewWindow*, QMouseEvent*)));
 323   connect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
 324           this, SLOT(onMouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)));
 325
 326   QIntList aModes;
 327   aModes << TopAbs_VERTEX;
 328   aModes << TopAbs_EDGE;
 329   myWorkshop->activateSubShapesSelection(aModes);
 330
 331   if (!isEditingMode()) {
 332     FeaturePtr aFeature = feature();
 333     if (aFeature.get() && aFeature->getKind() == SketchPlugin_Point::ID())
 334       storeValue();
 335   }
 336 }
 337
 338 bool PartSet_WidgetPoint2D::canBeActivatedByMove()
 339 {
 340   bool aCanBeActivated = false;
 341   if (feature()->getKind() == SketchPlugin_Line::ID() &&
 342       attributeID() == SketchPlugin_Line::START_ID())
 343     aCanBeActivated = true;
 344
 345   return aCanBeActivated;
 346 }
 347
 348 void PartSet_WidgetPoint2D::deactivate()
 349 {
 350   // the value of the control should be stored to model if it was not
 351   // initialized yet. It is important when we leave this control by Tab key.
 352   // It should not be performed by the widget activation as the preview
 353   // is visualized with default value. Line point is moved to origin.
 354   AttributePtr anAttribute = myFeature->data()->attribute(attributeID());
 355   if (anAttribute && !anAttribute->isInitialized())
 356     storeValue();
 357
 358   ModuleBase_ModelWidget::deactivate();
 359   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 360   disconnect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
 361              this, SLOT(onMouseMove(ModuleBase_IViewWindow*, QMouseEvent*)));
 362   disconnect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
 363              this, SLOT(onMouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)));
 364
 365   myWorkshop->deactivateSubShapesSelection();
 366 }
 367
 368 bool PartSet_WidgetPoint2D::getPoint2d(const Handle(V3d_View)& theView,
 369                                        const TopoDS_Shape& theShape,
 370                                        double& theX, double& theY) const
 371 {
 372   if (!theShape.IsNull()) {
 373     if (theShape.ShapeType() == TopAbs_VERTEX) {
 374       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 375       if (!aVertex.IsNull()) {
 376         // A case when point is taken from existing vertex
 377         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 378         PartSet_Tools::convertTo2D(aPoint, mySketch, theView, theX, theY);
 379         return true;
 380       }
 381     }
 382   }
 383   return false;
 384 }
 385
 386 bool PartSet_WidgetPoint2D::setConstraintWith(const ObjectPtr& theObject)
 387 {
 388   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 389   if (feature()->isMacro()) {
 390     AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 391     std::shared_ptr<GeomDataAPI_Point2D> anAttrPoint =
 392                                std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 393     if (anAttrPoint.get()) {
 394       // the macro feature will be removed after the operation is stopped, so we need to build
 395       // coicidence to possible sub-features
 396       aFeaturePoint = PartSet_Tools::findFirstEqualPointInArgumentFeatures(feature(),
 397                                                                  anAttrPoint->pnt());
 398     }
 399   }
 400   else {
 401     AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 402     aFeaturePoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 403   }
 404   if (!aFeaturePoint.get())
 405     return false;
 406
 407   // Create point-edge coincedence
 408   FeaturePtr aFeature = mySketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 409   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 410
 411   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 412       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 413
 414   aRef1->setAttr(aFeaturePoint);
 415
 416   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 417       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 418   aRef2->setObject(theObject);
 419
 420   // we need to flush created signal in order to coincidence is processed by solver
 421   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 422
 423   return true;
 424 }
 425
 426 void PartSet_WidgetPoint2D::onMouseRelease(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 427 {
 428   // the contex menu release by the right button should not be processed by this widget
 429   if (theEvent->button() != Qt::LeftButton)
 430     return;
 431
 432   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 433   Handle(V3d_View) aView = theWnd->v3dView();
 434   // TODO: This fragment doesn't work because bug in OCC Viewer. It can be used after fixing.
 435   NCollection_List<TopoDS_Shape> aShapes;
 436   std::list<ObjectPtr> aObjects;
 437   aSelection->selectedShapes(aShapes, aObjects);
 438   // if we have selection and use it
 439   if (aShapes.Extent() > 0 && useSelectedShapes()) {
 440     TopoDS_Shape aShape = aShapes.First();
 441     ObjectPtr aObject = aObjects.front();
 442     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aObject);
 443     bool anExternal = false;
 444     std::shared_ptr<SketchPlugin_Feature> aSPFeature;
 445     if (aSelectedFeature.get() != NULL)
 446       aSPFeature = std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
 447       if ((!aSPFeature && !aShape.IsNull()) ||
 448           (aSPFeature.get() && aSPFeature->isExternal())) {
 449         ResultPtr aFixedObject;
 450         anExternal = true;
 451         aFixedObject = PartSet_Tools::findFixedObjectByExternal(aShape, aObject, mySketch);
 452         if (!aFixedObject.get())
 453           aFixedObject = PartSet_Tools::createFixedObjectByExternal(aShape, aObject, mySketch);
 454         double aX, aY;
 455         if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 456           // do not create a constraint to the point, which already used by the feature
 457           // if the feature contains the point, focus is not switched
 458           setPoint(aX, aY);
 459         }
 460         else {
 461           if (getPoint2d(aView, aShape, aX, aY))
 462             setPoint(aX, aY);
 463           else
 464             setValueState(Stored); // in case of edge selection, Apply state should also be updated
 465           bool anOrphanPoint = aShape.ShapeType() == TopAbs_VERTEX ||
 466                                isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 467           if (anExternal) {
 468             anOrphanPoint = true; // we should not stop reentrant operation on external objects because
 469             // they are not participate in the contour creation excepting external vertices
 470             if (aShape.ShapeType() == TopAbs_VERTEX) {
 471               FeaturePtr aFixedFeature = ModelAPI_Feature::feature(aFixedObject);
 472               if (aFixedFeature.get() && aFixedFeature->getKind() == SketchPlugin_Point::ID()) {
 473                 anOrphanPoint = isOrphanPoint(aFixedFeature, mySketch, aX, aY, true);
 474               }
 475             }
 476           }
 477           if (aFixedObject.get())
 478             setConstraintWith(aFixedObject);
 479           // fignal updated should be flushed in order to visualize possible created external objects
 480           // e.g. selection of trihedron axis when input end arc point
 481           updateObject(feature());
 482
 483           if (!anOrphanPoint)
 484             emit vertexSelected(); // it stops the reentrant operation
 485
 486           emit focusOutWidget(this);
 487         }
 488       }
 489     if (!anExternal) {
 490       double aX, aY;
 491       bool isProcessed = false;
 492       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 493         // when the point is selected, the coordinates of the point should be set into the attribute
 494         // if the feature contains the point, focus is not switched
 495         setPoint(aX, aY);
 496       }
 497       else {
 498         bool anOrphanPoint = isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 499         // do not set a coincidence constraint in the attribute if the feature contains a point
 500         // with the same coordinates. It is important for line creation in order to do not set
 501         // the same constraints for the same points, oterwise the result line has zero length.
 502         bool isAuxiliaryFeature = false;
 503         if (getPoint2d(aView, aShape, aX, aY)) {
 504           setPoint(aX, aY);
 505           feature()->execute();
 506           PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aX, aY);
 507         }
 508         else if (aShape.ShapeType() == TopAbs_EDGE) {
 509           if (!setConstraintWith(aObject)) {
 510             gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 511             PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, aY);
 512             setPoint(aX, aY);
 513           }
 514           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 515
 516           FeaturePtr anObjectFeature = ModelAPI_Feature::feature(aObject);
 517           std::string anAuxiliaryAttribute = SketchPlugin_SketchEntity::AUXILIARY_ID();
 518           AttributeBooleanPtr anAuxiliaryAttr = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 519                                             anObjectFeature->data()->attribute(anAuxiliaryAttribute));
 520           if (anAuxiliaryAttr.get())
 521             isAuxiliaryFeature = anAuxiliaryAttr->value();
 522         }
 523         // it is important to perform updateObject() in order to the current value is
 524         // processed by Sketch Solver. Test case: line is created from a previous point
 525         // to some distance, but in the area of the highlighting of the point. Constraint
 526         // coincidence is created, after the solver is performed, the distance between the
 527         // points of the line becomes less than the tolerance. Validator of the line returns
 528         // false, the line will be aborted, but sketch stays valid.
 529         updateObject(feature());
 530         if (!anOrphanPoint && !anExternal && !isAuxiliaryFeature)
 531           emit vertexSelected();
 532         emit focusOutWidget(this);
 533       }
 534     }
 535   }
 536   // End of Bug dependent fragment
 537   else {
 538     // A case when point is taken from mouse event
 539     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 540     double aX, anY;
 541     PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, anY);
 542
 543     // if the feature contains the point, focus is not switched
 544     if (!setPoint(aX, anY) || isFeatureContainsPoint(myFeature, aX, anY))
 545       return;
 546
 547     /// Start alternative code
 548     //std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint = std::dynamic_pointer_cast<
 549     //    GeomDataAPI_Point2D>(feature()->data()->attribute(attributeID()));
 550     //QList<FeaturePtr> aIgnore;
 551     //aIgnore.append(feature());
 552
 553     //double aTolerance = aView->Convert(7);
 554     //std::shared_ptr<GeomDataAPI_Point2D> aAttrPnt =
 555     //  PartSet_Tools::findAttributePoint(mySketch, aX, anY, aTolerance, aIgnore);
 556     //if (aAttrPnt.get() != NULL) {
 557     //  aFeaturePoint->setValue(aAttrPnt->pnt());
 558     //  PartSet_Tools::createConstraint(mySketch, aAttrPnt, aFeaturePoint);
 559     //  emit vertexSelected();
 560     //}
 561     /// End alternative code
 562     emit focusOutWidget(this);
 563   }
 564 }
 565
 566
 567 void PartSet_WidgetPoint2D::onMouseMove(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 568 {
 569   if (isEditingMode())
 570     return;
 571
 572   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 573
 574   double aX, anY;
 575   PartSet_Tools::convertTo2D(aPoint, mySketch, theWnd->v3dView(), aX, anY);
 576   if (myState != ModifiedInViewer)
 577     storeCurentValue();
 578   // we need to block the value state change
 579   bool isBlocked = blockValueState(true);
 580   setPoint(aX, anY);
 581   blockValueState(isBlocked);
 582   setValueState(ModifiedInViewer);
 583 }
 584
 585 double PartSet_WidgetPoint2D::x() const
 586 {
 587   return myXSpin->value();
 588 }
 589
 590 double PartSet_WidgetPoint2D::y() const
 591 {
 592   return myYSpin->value();
 593 }
 594
 595
 596 bool PartSet_WidgetPoint2D::isFeatureContainsPoint(const FeaturePtr& theFeature,
 597                                                    double theX, double theY)
 598 {
 599   bool aPointIsFound = false;
 600
 601   if (feature()->getKind() != SketchPlugin_Line::ID())
 602     return aPointIsFound;
 603
 604   AttributePtr aWidgetAttribute = myFeature->attribute(attributeID());
 605
 606   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 607                                     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 608   std::list<AttributePtr> anAttributes =
 609                                 myFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 610   std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 611   for(; anIter != anAttributes.end() && !aPointIsFound; anIter++) {
 612     AttributePoint2DPtr aPoint2DAttribute =
 613       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 614     if (aPoint2DAttribute == aWidgetAttribute)
 615       continue;
 616     if (aPoint2DAttribute.get() && aPoint2DAttribute->isInitialized()) {
 617       aPointIsFound = aPoint2DAttribute->pnt()->isEqual(aPnt2d);
 618     }
 619   }
 620   return aPointIsFound;
 621 }
 622
 623 void PartSet_WidgetPoint2D::initializeValueByActivate()
 624 {
 625 }
 626
 627 /*void PartSet_WidgetPoint2D::onValuesChanged()
 628 {
 629   emit valuesChanged();
 630 }*/
 631
 632 bool PartSet_WidgetPoint2D::processEnter()
 633 {
 634   bool isModified = getValueState() == ModifiedInPP;
 635   if (isModified) {
 636     bool isXModified = myXSpin->hasFocus();
 637     emit valuesChanged();
 638     if (isXModified)
 639       myXSpin->selectAll();
 640     else
 641       myYSpin->selectAll();
 642   }
 643   return isModified;
 644 }
 645
 646 bool PartSet_WidgetPoint2D::useSelectedShapes() const
 647 {
 648   return true;
 649 }
 650
 651 bool PartSet_WidgetPoint2D::isOrphanPoint(const FeaturePtr& theFeature,
 652                                           const CompositeFeaturePtr& theSketch,
 653                                           double theX, double theY, const bool theSearchInResults)
 654 {
 655   bool anOrphanPoint = false;
 656   if (theFeature.get()) {
 657     std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
 658     std::string aFeatureKind = theFeature->getKind();
 659     if (aFeatureKind == SketchPlugin_Point::ID())
 660       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 661                                        theFeature->attribute(SketchPlugin_Point::COORD_ID()));
 662     else if (aFeatureKind == SketchPlugin_Circle::ID())
 663       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 664                                        theFeature->attribute(SketchPlugin_Circle::CENTER_ID()));
 665
 666     else if (aFeatureKind == SketchPlugin_Arc::ID())
 667       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 668                                        theFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
 669
 670     /// check that the geometry point with the given coordinates is the checked point
 671     /// e.g. in arc the (x,y) point can not coicide to the center point and it automatically
 672     /// means that this point is not an orphant one.
 673     if (aPointAttr.get()) {
 674       std::shared_ptr<GeomAPI_Pnt2d> aCheckedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 675                                                     new GeomAPI_Pnt2d(theX, theY));
 676       if (!aCheckedPoint->isEqual(aPointAttr->pnt()))
 677         return anOrphanPoint;
 678     }
 679
 680     if (aPointAttr.get()) {
 681       std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 682       // we need to find coincidence features in results also, because external object(point)
 683       // uses refs to me in another feature.
 684       FeaturePtr aCoincidence = PartSet_Tools::findFirstCoincidence(theFeature, aPoint, theSearchInResults);
 685       anOrphanPoint = true;
 686       // if there is at least one concident line to the point, the point is not an orphant
 687       if (aCoincidence.get()) {
 688         QList<FeaturePtr> aCoinsideLines;
 689         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines,
 690                                         SketchPlugin_ConstraintCoincidence::ENTITY_A());
 691         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines,
 692                                         SketchPlugin_ConstraintCoincidence::ENTITY_B());
 693         QList<FeaturePtr>::const_iterator anIt = aCoinsideLines.begin(),
 694                                           aLast = aCoinsideLines.end();
 695         for (; anIt != aLast && anOrphanPoint; anIt++) {
 696           anOrphanPoint = (*anIt)->getKind() != SketchPlugin_Line::ID();
 697         }
 698       }
 699     }
 700   }
 701   return anOrphanPoint;
 702 }