ui: Layout template specializations vertically

* use closed arrow for template specialization edges
* no specialization edges in call graph

src/lib/component/controller/GraphController.cpp

@@ -185,7 +185,7 @@ void GraphController::handleMessage(MessageActivateTrail* message)
 
 	MessageStatus(L"Layouting depth graph", false, true).dispatch();
 
-	if (message->trailType == Edge::EDGE_INHERITANCE)
+	if (message->trailType & Edge::EDGE_INHERITANCE)
 	{
 		groupTrailNodes(NodeType::GROUP_INHERITANCE);
 	}
@@ -922,7 +922,7 @@ void GraphController::bundleNodes()
 							return;
 						}
 
-						if (e->isType(Edge::EDGE_INHERITANCE | Edge::EDGE_OVERRIDE))
+						if (e->isType(Edge::LAYOUT_VERTICAL))
 						{
 							bundleInfo->layoutVertical = true;
 							bundleInfo->isReferenced = false;
@@ -1067,6 +1067,16 @@ void GraphController::bundleNodes()
 		L"Referenced Symbols"
 	);
 
+	bundleNodesAndEdgesMatching(
+		[](const DummyNode::BundleInfo& info, const Node* data)
+		{
+			return info.isReferencing && info.layoutVertical && data->findEdgeOfType(Edge::EDGE_TEMPLATE_SPECIALIZATION);
+		},
+		5,
+		false,
+		L"Specializing Symbols"
+	);
+
 	bundleNodesAndEdgesMatching(
 		[](const DummyNode::BundleInfo& info, const Node* data)
 		{

src/lib/component/controller/helper/TrailLayouter.cpp

@@ -683,7 +683,7 @@ void TrailLayouter::addEdge(const std::shared_ptr<DummyEdge> dummyEdge, const st
 	Id originTopLevelId = topLevelAncestorIds.find(dummyEdge->ownerId)->second;
 	Id targetTopLevelId = topLevelAncestorIds.find(dummyEdge->targetId)->second;
 
-	if (dummyEdge->data->isType(Edge::EDGE_OVERRIDE | Edge::EDGE_INHERITANCE) != invertedLayout())
+	if (dummyEdge->data->isType(Edge::LAYOUT_VERTICAL) != invertedLayout())
 	{
 		std::swap(originTopLevelId, targetTopLevelId);
 	}

src/lib/component/view/GraphViewStyle.cpp

@@ -654,6 +654,15 @@ GraphViewStyle::EdgeStyle GraphViewStyle::getStyleForEdgeType(
 			style.zValue = isActive ? 2 : -20;
 		}
 		break;
+
+	case Edge::EDGE_TEMPLATE_SPECIALIZATION:
+		style.zValue = isActive ? 2 : -3;
+	case Edge::EDGE_TEMPLATE_MEMBER_SPECIALIZATION:
+		style.arrowLength = 10;
+		style.arrowWidth = 13;
+		style.arrowClosed = true;
+		break;
+
 	case Edge::EDGE_INCLUDE:
 		style.zValue = isActive ? 2 : -3;
 	default:

src/lib/data/graph/Edge.h

@@ -36,6 +36,9 @@ public:
 	static int typeToInt(EdgeType type);
 	static EdgeType intToType(int value);
 
+	static const TypeMask LAYOUT_VERTICAL = EDGE_INHERITANCE | EDGE_OVERRIDE | EDGE_TEMPLATE_SPECIALIZATION |
+		EDGE_TEMPLATE_MEMBER_SPECIALIZATION;
+
 	Edge(Id id, EdgeType type, Node* from, Node* to);
 	Edge(const Edge& other, Node* from, Node* to);
 	virtual ~Edge();

src/lib/data/storage/PersistentStorage.cpp

@@ -1080,7 +1080,7 @@ std::shared_ptr<Graph> PersistentStorage::getGraphForTrail(
 			m_sqliteIndexStorage.getEdgesBySourceIds(nodeIdsToProcess) :
 			m_sqliteIndexStorage.getEdgesByTargetIds(nodeIdsToProcess);
 
-		if (trailType & (Edge::EDGE_OVERRIDE | Edge::EDGE_INHERITANCE))
+		if (trailType & Edge::LAYOUT_VERTICAL)
 		{
 			utility::append(edges,
 				forward ?
@@ -1095,7 +1095,7 @@ std::shared_ptr<Graph> PersistentStorage::getGraphForTrail(
 		{
 			if (Edge::intToType(edge.type) & trailType)
 			{
-				bool isForward = forward == !(Edge::intToType(edge.type) & (Edge::EDGE_OVERRIDE | Edge::EDGE_INHERITANCE));
+				bool isForward = forward == !(Edge::intToType(edge.type) & Edge::LAYOUT_VERTICAL);
 
 				const Id nodeId = isForward ? edge.targetNodeId : edge.sourceNodeId;
 				const Id otherNodeId = isForward ? edge.sourceNodeId : edge.targetNodeId;

src/lib_gui/qt/view/QtGraphView.cpp

@@ -669,13 +669,12 @@ MessageActivateTrail QtGraphView::getMessageActivateTrail(bool forward)
 
 		if (node->getData()->getType().isInheritable())
 		{
-			trailType = Edge::EDGE_INHERITANCE;
+			trailType = Edge::EDGE_INHERITANCE | Edge::EDGE_TEMPLATE_SPECIALIZATION;
 			horizontalLayout = false;
 		}
 		else if (node->getData()->getType().isCallable())
 		{
-			trailType = Edge::EDGE_CALL | Edge::EDGE_OVERRIDE |
-				Edge::EDGE_TEMPLATE_SPECIALIZATION | Edge::EDGE_TEMPLATE_MEMBER_SPECIALIZATION;
+			trailType = Edge::EDGE_CALL | Edge::EDGE_OVERRIDE;
 			horizontalLayout = true;
 		}
 		else if (node->getData()->getType().isFile())

src/lib_gui/qt/view/graphElements/QtGraphEdge.cpp

@@ -184,7 +184,8 @@ void QtGraphEdge::updateLine()
 			}
 		}
 
-		if (type == Edge::EDGE_INHERITANCE)
+		if (type == Edge::EDGE_INHERITANCE || (type == Edge::EDGE_TEMPLATE_SPECIALIZATION &&
+				owner == owner->getLastParent() && target == target->getLastParent()))
 		{
 			child->setRoute(QtLineItemBase::ROUTE_VERTICAL);