- PartSet_Tools::setConstraints(mySketch, feature(), attributeID(),aX, aY);
+ // do not set a coincidence constraint in the attribute if the feature contains a point
+ // with the same coordinates. It is important for line creation in order to do not set
+ // the same constraints for the same points, oterwise the result line has zero length.
+ if (getPoint2d(aView, aShape, aX, aY))
+ PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aX, aY);
+ else if (aShape.ShapeType() == TopAbs_EDGE)
+ setConstraintWith(aObject);
+
+ // it is important to perform updateObject() in order to the current value is
+ // processed by Sketch Solver. Test case: line is created from a previous point
+ // to some distance, but in the area of the highlighting of the point. Constraint
+ // coincidence is created, after the solver is performed, the distance between the
+ // points of the line becomes less than the tolerance. Validator of the line returns
+ // false, the line will be aborted, but sketch stays valid.
+ updateObject(feature());
+ emit vertexSelected();
+ emit focusOutWidget(this);