List of usage examples for java.awt Frame getGraphicsConfiguration
public GraphicsConfiguration getGraphicsConfiguration()
From source file:org.opensc.test.pkcs11.PINEntry.java
/** * Contructs a PINEntry instance. //from ww w . j a v a2 s .c o m */ public PINEntry() { super(); Frame frame = new Frame("PIN entry"); frame.setLayout(new GridLayout(2, 2)); frame.add(new Label("Event:")); this.label = new Label("NO_EVENT"); frame.add(this.label); this.prompt = new Label(); frame.add(this.prompt); this.listener = new PINListener(frame); this.textField = new TextField(); this.textField.setEchoChar('*'); this.textField.addKeyListener(this.listener); frame.add(this.textField); frame.addWindowListener(this.listener); frame.pack(); frame.setVisible(true); GraphicsConfiguration gc = frame.getGraphicsConfiguration(); Rectangle r = gc.getBounds(); Point p = new Point((r.width - frame.getWidth()) / 2, (r.height - frame.getHeight()) / 2); frame.setLocation(p); }