ui: Return to active symbol definition in code view when clicking act…

…ive node in graph view (issue #836)

src/lib/component/controller/CodeController.cpp

@@ -214,18 +214,6 @@ void CodeController::handleMessage(MessageActivateTokens* message)
 		return;
 	}
 
-	if (message->keepContent())	   // deactivating an edge
-	{
-		m_codeParams.activeTokenIds = params.activeTokenIds;
-		m_codeParams.activeLocationIds.clear();
-		m_codeParams.activeLocalSymbolIds.clear();
-		m_codeParams.currentActiveLocalLocationIds.clear();
-		clearLocalReferences();
-
-		showFiles(m_codeParams, CodeScrollParams(), !message->isReplayed());
-		return;
-	}
-
 	m_collection = m_storageAccess->getSourceLocationsForTokenIds(params.activeTokenIds);
 
 	m_files = getFilesForActiveSourceLocations(m_collection.get(), declarationId);
@@ -414,19 +402,19 @@ void CodeController::handleMessage(MessageCodeShowDefinition* message)
 
 void CodeController::handleMessage(MessageDeactivateEdge* message)
 {
+	CodeScrollParams scrollParams;
+	m_codeParams.activeLocationIds.clear();
+	m_codeParams.activeLocalSymbolIds.clear();
+	m_codeParams.currentActiveLocalLocationIds.clear();
+	m_referenceIndex = -1;
+	clearLocalReferences();
+
 	if (message->scrollToDefinition)
 	{
-		CodeScrollParams scrollParams = definitionReferenceScrollParams(m_codeParams.activeTokenIds);
-
-		if (message->isReplayed())
-		{
-			m_scrollParams = scrollParams;
-		}
-		else
-		{
-			getView()->scrollTo(scrollParams, true);
-		}
+		scrollParams = definitionReferenceScrollParams(m_codeParams.activeTokenIds);
 	}
+
+	showFiles(m_codeParams, scrollParams, !message->isReplayed());
 }
 
 void CodeController::handleMessage(MessageErrorCountClear* message)

src/lib/component/controller/GraphController.cpp

@@ -316,6 +316,16 @@ void GraphController::handleMessage(MessageActivateTrailEdge* message)
 	getView()->activateEdge(message->edgeIds.back());
 }
 
+void GraphController::handleMessage(MessageDeactivateEdge* message)
+{
+	TRACE("edge deactivate");
+
+	m_activeEdgeIds.clear();
+	setActive(utility::concat(m_activeNodeIds, m_activeEdgeIds), false);
+
+	getView()->activateEdge(0);
+}
+
 void GraphController::handleMessage(MessageFlushUpdates* message)
 {
 	GraphView::GraphParams params;

src/lib/component/controller/GraphController.h

@@ -11,6 +11,7 @@
 #include "MessageActivateTokens.h"
 #include "MessageActivateTrail.h"
 #include "MessageActivateTrailEdge.h"
+#include "MessageDeactivateEdge.h"
 #include "MessageFlushUpdates.h"
 #include "MessageFocusIn.h"
 #include "MessageFocusOut.h"
@@ -40,6 +41,7 @@ class GraphController
 	, public MessageListener<MessageActivateTokens>
 	, public MessageListener<MessageActivateTrail>
 	, public MessageListener<MessageActivateTrailEdge>
+	, public MessageListener<MessageDeactivateEdge>
 	, public MessageListener<MessageFlushUpdates>
 	, public MessageListener<MessageFocusIn>
 	, public MessageListener<MessageFocusOut>
@@ -64,6 +66,7 @@ class GraphController
 	void handleMessage(MessageActivateTokens* message) override;
 	void handleMessage(MessageActivateTrail* message) override;
 	void handleMessage(MessageActivateTrailEdge* message) override;
+	void handleMessage(MessageDeactivateEdge* message) override;
 	void handleMessage(MessageFlushUpdates* message) override;
 	void handleMessage(MessageFocusIn* message) override;
 	void handleMessage(MessageFocusOut* message) override;

src/lib/component/controller/UndoRedoController.cpp

@@ -172,25 +172,14 @@ void UndoRedoController::handleMessage(MessageCodeShowDefinition* message)
 
 void UndoRedoController::handleMessage(MessageDeactivateEdge* message)
 {
-	if (m_iterator == m_list.begin())
+	if (sameMessageTypeAsLast(message) &&
+		static_cast<MessageDeactivateEdge*>(lastMessage())->scrollToDefinition == message->scrollToDefinition)
 	{
 		return;
 	}
 
-	std::list<Command>::iterator it = m_iterator;
-	do
-	{
-		std::advance(it, -1);
-	} while (it != m_list.begin() && it->order != Command::ORDER_ACTIVATE);
-
-	MessageBase* m = it->message.get();
-	bool keepContent = m->keepContent();
-
-	m->setIsReplayed(false);
-	m->setKeepContent(true);
-	m->dispatch();
-
-	m->setKeepContent(keepContent);
+	Command command(std::make_shared<MessageDeactivateEdge>(*message), Command::ORDER_ADAPT);
+	processCommand(command);
 }
 
 void UndoRedoController::handleMessage(MessageGraphNodeBundleSplit* message)

src/lib_gui/qt/element/code/QtCodeFileSingle.cpp

@@ -174,7 +174,14 @@ void QtCodeFileSingle::scrollTo(
 {
 	if (m_currentFilePath != filePath)
 	{
-		return;
+		FileData file = getFileData(filePath);
+		if (!file.area)
+		{
+			return;
+		}
+
+		setFileData(file);
+		animated = false;
 	}
 
 	size_t endLineNumber = 0;