Bug 58095 [Preferences] Selecting pref page moved dialog to other screen
When I move the preferences dialog to my secondary screen and change a prefpage, the entire dialog moves back to my primary screen and "hugs" the right border of the main screen.
bundles/org.eclipse.jface/src/org/eclipse/jface/window/Window.java
public void propertyChange(PropertyChangeEvent event) {
			handleFontChange(event);
		}
	}
	
	/**
	 * Internal font change listener.
	 */
	private FontChangeListener fontChangeListener;
	/**
	 * Internal fields to detect if shell size has been set