ui: Added single file mode to code view

* Added navigation to top of code view for iterating references and switching between list and single file mode
* current file name and reference count is shown on top in single file mode
* refactored scrolling to location or line via request system
* added parameters animated and toTop to scrolling system
* refactored class hierarchy and removed unused stuff in list mode

src/lib/Application.cpp

@@ -90,7 +90,7 @@ std::shared_ptr<Application> Application::s_instance;
 
 Application::Application(bool withGUI)
 	: m_hasGUI(withGUI)
-	, m_isInTrial(false)
+	, m_isInTrial(true)
 {
 	LicenseChecker::createInstance();
 }

src/lib/component/controller/CodeController.cpp

@@ -166,6 +166,11 @@ void CodeController::handleMessage(MessageChangeFileView* message)
 {
 	TRACE("code change file");
 
+	if (!m_collection)
+	{
+		return;
+	}
+
 	CodeView* view = getView();
 
 	switch (message->state)
@@ -177,8 +182,18 @@ void CodeController::handleMessage(MessageChangeFileView* message)
 	case MessageChangeFileView::FILE_SNIPPETS:
 		if (message->needsData)
 		{
-			view->addCodeSnippets(getSnippetsForFile(
-				m_collection->getTokenLocationFileByPath(message->filePath), !message->showErrors), false);
+			std::shared_ptr<TokenLocationFile> file = m_collection->getTokenLocationFileByPath(message->filePath);
+			if (!file)
+			{
+				return;
+			}
+
+			if (message->showErrors)
+			{
+				file->isWholeCopy = false;
+			}
+
+			view->addCodeSnippets(getSnippetsForFile(file, !message->showErrors), false);
 		}
 		view->setFileState(message->filePath, CodeView::FILE_SNIPPETS);
 		break;
@@ -198,6 +213,10 @@ void CodeController::handleMessage(MessageChangeFileView* message)
 			if (message->showErrors)
 			{
 				params.locationFile = m_collection->getTokenLocationFileByPath(message->filePath);
+				if (!params.locationFile)
+				{
+					return;
+				}
 				params.locationFile->isWholeCopy = true;
 			}
 			else
@@ -221,6 +240,7 @@ void CodeController::handleMessage(MessageChangeFileView* message)
 
 			getView()->addCodeSnippets(std::vector<CodeSnippetParams>(1, params), false);
 		}
+
 		view->setFileState(message->filePath, CodeView::FILE_MAXIMIZED);
 		break;
 	}
@@ -256,7 +276,7 @@ void CodeController::handleMessage(MessageFocusOut* message)
 
 void CodeController::handleMessage(MessageCodeViewExpandedInitialFiles* message)
 {
-	if (m_scrollToDefinition)
+	if (m_scrollToDefinition || (message && message->scrollToDefinition))
 	{
 		getView()->scrollToDefinition();
 		m_scrollToDefinition = false;
@@ -264,7 +284,7 @@ void CodeController::handleMessage(MessageCodeViewExpandedInitialFiles* message)
 
 	if (m_scrollToValue != -1)
 	{
-		getView()->scrollToValue(m_scrollToValue);
+		getView()->scrollToValue(m_scrollToValue, m_scrollInListMode);
 		m_scrollToValue = -1;
 	}
 }
@@ -294,6 +314,7 @@ void CodeController::handleMessage(MessageScrollCode* message)
 	if (message->isReplayed())
 	{
 		m_scrollToValue = message->value;
+		m_scrollInListMode = message->inListMode;
 	}
 }
 

src/lib/component/controller/CodeController.h

@@ -97,6 +97,7 @@ private:
 
 	bool m_scrollToDefinition;
 	int m_scrollToValue;
+	bool m_scrollInListMode;
 };
 
 #endif // CODE_CONTROLLER_H

src/lib/component/view/CodeView.h

@@ -49,7 +49,7 @@ public:
 
 	virtual void showContents() = 0;
 
-	virtual void scrollToValue(int value) = 0;
+	virtual void scrollToValue(int value, bool inListMode) = 0;
 	virtual void scrollToLine(const FilePath filePath, unsigned int line) = 0;
 	virtual void scrollToDefinition() = 0;
 

src/lib/settings/ApplicationSettings.cpp

@@ -301,6 +301,16 @@ void ApplicationSettings::setCodeSnippetExpandRange(int range)
 	setValue<int>("code/snippet/expand_range", range);
 }
 
+bool ApplicationSettings::getCodeViewModeSingle() const
+{
+	return getValue<bool>("code/view_mode_single", false);
+}
+
+void ApplicationSettings::setCodeViewModeSingle(bool enabled)
+{
+	setValue<bool>("code/view_mode_single", enabled);
+}
+
 std::vector<FilePath> ApplicationSettings::getRecentProjects() const
 {
 	std::vector<FilePath> recentProjects;

src/lib/settings/ApplicationSettings.h

@@ -91,6 +91,9 @@ public:
 	int getCodeSnippetExpandRange() const;
 	void setCodeSnippetExpandRange(int range);
 
+	bool getCodeViewModeSingle() const;
+	void setCodeViewModeSingle(bool enabled);
+
 	// user
 	std::vector<FilePath> getRecentProjects() const;
 	bool setRecentProjects(const std::vector<FilePath>& recentProjects);

src/lib/utility/messaging/type/MessageCodeViewExpandedInitialFiles.h

@@ -7,7 +7,8 @@ class MessageCodeViewExpandedInitialFiles
 	: public Message<MessageCodeViewExpandedInitialFiles>
 {
 public:
-	MessageCodeViewExpandedInitialFiles()
+	MessageCodeViewExpandedInitialFiles(bool scrollToDefinition)
+		: scrollToDefinition(scrollToDefinition)
 	{
 	}
 
@@ -15,6 +16,8 @@ public:
 	{
 		return "MessageCodeViewExpandedInitialFiles";
 	}
+
+	bool scrollToDefinition;
 };
 
 #endif // MESSAGE_CODE_VIEW_EXPANDED_INITIAL_FILES_H

src/lib/utility/messaging/type/MessageScrollCode.h

@@ -7,8 +7,9 @@ class MessageScrollCode
 	: public Message<MessageScrollCode>
 {
 public:
-	MessageScrollCode(int value)
+	MessageScrollCode(int value, bool inListMode)
 		: value(value)
+		, inListMode(inListMode)
 	{
 		setIsLogged(false);
 	}
@@ -19,6 +20,7 @@ public:
 	}
 
 	int value;
+	bool inListMode;
 };
 
 #endif // MESSAGE_SCROLL_CODE_H