Strangest error ... like really strange :)

[mullwaden]

So here is my code:

Control class (it inializes widgets and sets up connects between them)

class Control {
 
 
public:
 
	Control();
	~Control();
 
private:
 
    TimeLine 	 		*timeLine;
    GLWidget 	 		*glWidget;
    Window 		 		*window;
    FileHandler  		*fileHandler;
    ContextMenu 		*contextMenu;
	HierarchyWidget	 	*hierarchyWidget;
 
};

class Control {
	
		
public:
	
	Control();
	~Control();
	
private:

    TimeLine 	 		*timeLine;
    GLWidget 	 		*glWidget;
    Window 		 		*window;
    FileHandler  		*fileHandler;
    ContextMenu 		*contextMenu;
	HierarchyWidget	 	*hierarchyWidget;
	
};

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Main class:

int main(int argc, char *argv[])
{
	//std::cout << "hej" << std::endl;
    QApplication app(argc, argv);
 
    Control control;
 
    return app.exec();
}

int main(int argc, char *argv[])
{
	//std::cout << "hej" << std::endl;
    QApplication app(argc, argv);
    
    Control control;

    return app.exec();
}

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If I in the main class change the line Control control to Control control() the controlclass' constructor will still run without error but... no QT window shows up. So I get a program that continues running but that shows nothing.

This is very peculiar in my opinion