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
create();
	}
	
	constrainShellSize();
	
	
	shell.open();
	
	if (block) 
		runEventLoop(shell);	
	return returnCode;
}
/**
 * Runs the event loop for the given shell.
 *
 * @param shell the shell
 */
private void runEventLoop(Shell shell) {
	
	
	Display display;
	if(shell == null)
		 display = Display.getCurrent();
	else
		display = shell.getDisplay();
		
	while (shell != null && ! shell.isDisposed()) {
		try {
			if (!display.readAndDispatch())