Fix Part display on property changes

src/Mod/TechDraw/App/DrawViewPart.cpp

@@ -173,7 +173,9 @@ short DrawViewPart::mustExecute() const
             ScaleType.isTouched() ||
             ShowHiddenLines.isTouched() ||
             ShowSmoothLines.isTouched() ||
-            ShowSeamLines.isTouched());
+            ShowSeamLines.isTouched()   ||
+            LineWidth.isTouched()       ||
+            HiddenWidth.isTouched());
     return result;
 }
 
@@ -187,7 +189,9 @@ void DrawViewPart::onChanged(const App::Property* prop)
             prop == &ScaleType ||
             prop == &ShowHiddenLines ||
             prop == &ShowSmoothLines ||
-            prop == &ShowSeamLines) {
+            prop == &ShowSeamLines  ||
+            prop == &LineWidth       ||
+            prop == &HiddenWidth     ) {
             try {
                 App::DocumentObjectExecReturn *ret = recompute();
                 delete ret;

src/Mod/TechDraw/Gui/QGIViewPart.cpp

@@ -265,6 +265,7 @@ void QGIViewPart::updateView(bool update)
                 edge->setStrokeWidth(viewPart->LineWidth.getValue() * lineScaleFactor);
             }
         }
+        draw();
     }
 }
 
@@ -381,15 +382,17 @@ void QGIViewPart::drawViewPart()
             item->setReference(refs.at(i));
             addToGroup(item);                                                   //item is at scene(0,0), not group(0,0)
             item->setPos(0.0,0.0);
+            item->setPath(drawPainterPath(*itEdge));
             item->setStrokeWidth(lineWidth);
+            item->setZValue(ZVALUE::EDGE);
+            item->setFlag(QGraphicsItem::ItemIsSelectable, true);
+            item->setAcceptHoverEvents(true);
             if(!(*itEdge)->visible) {
                 item->setStrokeWidth(lineWidthHid);
                 item->setHiddenEdge(true);
+                item->setZValue(ZVALUE::HIDEDGE);
             }
-            item->setPath(drawPainterPath(*itEdge));
-            item->setFlag(QGraphicsItem::ItemIsSelectable, true);
-            item->setAcceptHoverEvents(true);
-            item->setZValue(ZVALUE::EDGE);
+            item->setPrettyNormal();
             //debug a path
             //QPainterPath edgePath=drawPainterPath(*itEdge);
             //std::stringstream edgeId;

src/Mod/TechDraw/Gui/ZVALUE.h

@@ -7,6 +7,7 @@ namespace ZVALUE {
     const int SECTIONFACE = 10;
     const int FACE = 20;
     const int HATCH = 25;
+    const int HIDEDGE = 27;
     const int EDGE = 30;
     const int VERTEX = 40;
     const int DIMENSION = 50;