/** Updates and repaints the title bar. */
void updateTitleBar() {
titleBar.update(window.getTitle());
}
/**
* Sets the window and initializes the title bar.
*
* @param window The window to set.
*/
private void initialize(TinyDialog window) {
if (window == null) throw new NullPointerException("No window.");
this.window = window;
titleBar = new TitleBar(window.getTitle(), window.getButtonIndex());
}
