Button icons, a default button, HTML in a button,and button mnemonics. : Button « Swing JFC « Java






Button icons, a default button, HTML in a button,and button mnemonics.

  

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;

public class Main {

  public static void main(String args[]) {
    ImageIcon iconA = new ImageIcon("IconA.gif");
    ImageIcon iconDiable = new ImageIcon("disable.gif");
    ImageIcon iconOver = new ImageIcon("over.gif");
    ImageIcon iconPressed = new ImageIcon("IconAPressed.gif");

    final JButton jbtnA = new JButton("Alpha", iconA);

    JFrame jfrm = new JFrame();
    jfrm.setLayout(new FlowLayout());
    jfrm.setSize(300, 300);

    jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    jbtnA.setRolloverIcon(iconOver);

    jbtnA.setPressedIcon(iconPressed);
    jbtnA.setDisabledIcon(iconDiable);

    jfrm.getRootPane().setDefaultButton(jbtnA);

    jbtnA.setMnemonic(KeyEvent.VK_A);

    jbtnA.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ae) {
        System.out.println("Alpha pressed. Beta is enabled.");
        jbtnA.setEnabled(!jbtnA.isEnabled());
      }
    });
    jfrm.add(jbtnA);
    jfrm.setVisible(true);
  }
}

   
    
  








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