cannot resize main window

Hello,

This might be a newbie issue, because I just started using vaadin.

The thing that I want to achieve is that the main window is not the entire browsersize (when the browser is maximized), but instead, I want the main window to be centered in the browser, with a specific size, lets say 600x800.

What I have done till now is:

private void buildMainLayout() {
		setMainWindow(new Window("Chargebox CIMS Applications"));
		
		VerticalSplitPanel mainVerticalSplitPanel = new VerticalSplitPanel();
		Label titleLabel = getTitleLabel();
		HorizontalSplitPanel mainHorizontalSplitPanel = getMainHorizontalSplitPanel();
		
		mainVerticalSplitPanel.setSplitPosition(45, Sizeable.UNITS_PIXELS);
		mainVerticalSplitPanel.setLocked(true);
//		mainVerticalSplitPanel.setHeight("450px");
		mainVerticalSplitPanel.setWidth("100%");
		
		mainVerticalSplitPanel.addComponent(titleLabel);
		mainVerticalSplitPanel.addComponent(mainHorizontalSplitPanel);
		
		[color=#f60c0c]getMainWindow().setContent(mainVerticalSplitPanel);
		getMainWindow().setHeight("600px");
		getMainWindow().setWidth("800px");
		getMainWindow().center();[/color]
		
	}

Why is this not working?

I've found the solution, which is actually quite simple. Or you can work with a gridlayout or I did it like this:

VerticalLayout mainVerticalLayout = (VerticalLayout) getMainWindow().getContent();
mainVerticalLayout.setSizeFull();

Panel mainVerticalPanel = new Panel();
mainVerticalPanel.setCaption("Chargebox CIMS");
mainVerticalPanel.setHeight("500px");
mainVerticalPanel.setWidth("1200px");

mainVerticalLayout.addComponent(mainVerticalPanel);
mainVerticalLayout.setComponentAlignment(mainVerticalPanel, Alignment.MIDDLE_CENTER);