Fix QGEPath selection area

src/Mod/TechDraw/Gui/QGEPath.cpp

@@ -391,11 +391,34 @@ void QGEPath::updateFeature(void)
     }
 }
 
+QRectF QGEPath::boundingRect() const
+{
+    return shape().controlPointRect();
+}
+
+QPainterPath QGEPath::shape() const
+{
+    QPainterPath outline;
+    QPainterPathStroker stroker;
+    stroker.setWidth(getEdgeFuzz() * 2.0);
+    outline = stroker.createStroke(path()).simplified();
+    return outline;
+}
+
+ double QGEPath::getEdgeFuzz(void) const
+{
+    Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter().GetGroup("BaseApp")->
+                                         GetGroup("Preferences")->GetGroup("Mod/TechDraw/General");
+    double result = hGrp->GetFloat("EdgeFuzz",10.0);
+    return result;
+}
+
+
 void QGEPath::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget) {
     QStyleOptionGraphicsItem myOption(*option);
     myOption.state &= ~QStyle::State_Selected;
 
-    // painter->drawRect(boundingRect());          //good for debugging
+//     painter->drawRect(boundingRect());          //good for debugging
 
     QGIPrimPath::paint (painter, &myOption, widget);
 }

src/Mod/TechDraw/Gui/QGEPath.h

@@ -88,6 +88,8 @@ public:
 
     enum {Type = QGraphicsItem::UserType + 301};
     int type() const override { return Type;}
+    virtual QRectF boundingRect() const override;
+    virtual QPainterPath shape() const override;
     virtual void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0 ) override;
     
     void inEdit(bool b) { m_inEdit = b; }
@@ -127,6 +129,8 @@ protected:
     virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
     virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
     virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
+    double getEdgeFuzz(void) const;
+
     std::vector<QPointF> m_deltas;       //deltas between points 1:1 scale, starts at (0,0)
     std::vector<QGMarker*> m_markers;
     QPointF m_attach;

src/Mod/TechDraw/Gui/TaskLeaderLine.cpp

@@ -433,20 +433,35 @@ void TaskLeaderLine::startTracker(void)
 
 void TaskLeaderLine::onTrackerFinished(std::vector<QPointF> pts, QGIView* qgParent)
 {
-//    Base::Console().Message("TTL::onTrackerFinished()\n");
+//    Base::Console().Message("TTL::onTrackerFinished() - parent: %X\n",qgParent);
     if (pts.empty()) {
         Base::Console().Error("TaskLeaderLine - no points available\n");
         return;
     }
-    QGIView* qgiv = dynamic_cast<QGIView*>(qgParent);
-    if (qgiv != nullptr) {
-        m_qgParent = qgiv;
+    
+    if (qgParent == nullptr) {
+        //do something;
+        m_qgParent = findParentQGIV();
+    } else {
+        QGIView* qgiv = dynamic_cast<QGIView*>(qgParent);
+        if (qgiv != nullptr) {
+            m_qgParent = qgiv;
+        } else {
+            Base::Console().Message("TTL::onTrackerFinished - can't find parent graphic!\n");
+            //blow up!?
+            throw Base::RuntimeError("TaskLeaderLine - can not find parent graphic");
+        }
     }
+
     if (m_qgParent != nullptr) {
         double scale = m_qgParent->getScale();
         QPointF mapped = m_qgParent->mapFromScene(pts.front()) / scale;
         m_attachPoint = Base::Vector3d(mapped.x(), mapped.y(), 0.0);
         convertTrackerPoints(pts);
+    } else {
+        Base::Console().Message("TTL::onTrackerFinished - can't find parent graphic!\n");
+        //blow up!?
+        throw Base::RuntimeError("TaskLeaderLine - can not find parent graphic");
     }
 
     QString msg = tr("Press OK or Cancel to continue");
@@ -472,6 +487,19 @@ void TaskLeaderLine::removeTracker(void)
     }
 }
 
+QGIView* TaskLeaderLine::findParentQGIV()
+{
+    QGIView* result = nullptr;
+    if (m_baseFeat != nullptr) {
+        Gui::ViewProvider* gvp = QGIView::getViewProvider(m_baseFeat);
+        ViewProviderDrawingView* vpdv = dynamic_cast<ViewProviderDrawingView*>(gvp);
+        if (vpdv != nullptr) {
+            result = vpdv->getQView();
+        }
+    }
+    return result;
+}
+
 void TaskLeaderLine::setEditCursor(QCursor c)
 {
     if (m_baseFeat != nullptr) {

src/Mod/TechDraw/Gui/TaskLeaderLine.h

@@ -116,7 +116,8 @@ protected:
     void enableVPUi(bool b);
     void setEditCursor(QCursor c);
 
-    int getPrefArrowStyle();
+   QGIView* findParentQGIV();
+   int getPrefArrowStyle();
 
 
 private: