dozentenmodul/src/main/java/util/GuiOrganizer.java


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package util;

import java.awt.Window;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;

public abstract class GuiOrganizer {

	/* receive GUI, set it to center of the screen */
	public static void centerGUI(Window gui) {
		
		Display display = new Display();
		
		// detect bounds of primary display.
		Rectangle rect = display.getPrimaryMonitor().getBounds();
		
		// without this, we get an expection, not sure what this does though :)
		display.dispose();

		double width = rect.width;
		double height = rect.height;
		double xPosition = (width / 2 - gui.getWidth() / 2);
		double yPosition = (height / 2 - gui.getHeight() / 2);
		gui.setLocation((int) xPosition, (int) yPosition);
	}
}