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