ui: Rewrote project setup to wizzard

* QtProjectWizzard handles window managment logic of project setup
* QtProjectWizzardWindow is used in every step and displays QtProjectWizzardContent
* QtProjectWizzardContent is the base class for all differnt content types
* Removed Singleton from ProjectSettings
* ProjectSettings are created by wizzard and QtProjectWizzardContent can access and load
* added project type selection at start of wizzard
* added summary at end of wizzard
* show global search paths in setup and summary
* fixed layout problems after font switch
* fixed scrolling and resizing of QtDirectoryListBox
* separated QtLocationPicker to own class

src/lib/settings/ProjectSettings.h

@@ -14,6 +14,7 @@ public:
 	static std::vector<std::string> getDefaultSourceExtensions();
 
 	static std::shared_ptr<ProjectSettings> getInstance();
+	ProjectSettings();
 	~ProjectSettings();
 
 	virtual void save(const FilePath& filePath);
@@ -47,10 +48,16 @@ public:
 	bool setHeaderExtensions(const std::vector<std::string>& headerExtensions);
 	bool setSourceExtensions(const std::vector<std::string>& sourceExtensions);
 
+	// used in project wizzard
+	std::string getProjectName() const;
+	void setProjectName(const std::string& name);
+
+	std::string getProjectFileLocation() const;
+	void setProjectFileLocation(const std::string& location);
+
 private:
-	ProjectSettings();
-	ProjectSettings(const ProjectSettings&);
-	void operator=(const ProjectSettings&);
+	std::string m_projectName;
+	std::string m_projectFileLocation;
 
 	static std::shared_ptr<ProjectSettings> s_instance;
 };