68 lines
2.2 KiB
Java
68 lines
2.2 KiB
Java
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Moving label using arrow keys
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import java.awt.*;
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import javax.swing.*;
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import java.awt.event.*;
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public class MoveLabel extends JFrame
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{
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JLabel label;
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public MoveLabel()
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{
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label = new JLabel(new ImageIcon("copy.gif"));
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label.setBounds(20,30,16,19);
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label.addKeyListener(new KeyAdapter()
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{
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public void keyPressed(KeyEvent ke)
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{
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if(ke.getKeyCode() == KeyEvent.VK_DOWN)
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{
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label.setLocation(label.getX(),label.getY()+1);
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repaint();
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}
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if(ke.getKeyCode() == KeyEvent.VK_UP)
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{
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label.setLocation(label.getX(),label.getY()-1);
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repaint();
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}
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if(ke.getKeyCode() == KeyEvent.VK_LEFT)
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{
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label.setLocation(label.getX()-1,label.getY());
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repaint();
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}
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if(ke.getKeyCode() == KeyEvent.VK_RIGHT)
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{
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label.setLocation(label.getX()+1,label.getY());
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repaint();
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}
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}
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});
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label.addMouseListener(new MouseAdapter()
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{
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public void mouseClicked(MouseEvent me)
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{
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if(me.getClickCount() == 1)
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{
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boolean dd = label.isOptimizedDrawingEnabled();
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boolean ff = label.requestFocusInWindow();
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repaint();
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}
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}
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});
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JPanel p = new JPanel();
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p.setPreferredSize(new Dimension(2000,1000));
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p.setLayout(null);
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p.add(label);
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JScrollPane js = new JScrollPane(p);
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getContentPane().add(js);
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}
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public static void main(String args[])
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{
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MoveLabel frame = new MoveLabel();
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frame.setDefaultCloseOperation( EXIT_ON_CLOSE );
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frame.setSize(300,300);
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frame.setVisible(true);
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}
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}
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