import java.awt.AWTException;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Robot;
import java.awt.event.*;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JToolTip;
import javax.swing.ToolTipManager;
public class OwnToolTip
{
public static void main(String[] args)
{
final JFrame frame = new JFrame("MyOwnToolTip");
frame.setLocation(200, 200);
//frame.setSize(250, 100);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setResizable(false);
final JLabel lab = new JLabel("Label mit Tooltip, drück F2 bei geöffnetem Tooltip", JLabel.CENTER)
{
private static final long serialVersionUID = 1L;
JToolTip tip = new JToolTip();
public JToolTip createToolTip()
{
tip.setComponent(this);
return tip;
}
};
final ToolTipManager m = ToolTipManager.sharedInstance();
m.registerComponent(lab);
m.setReshowDelay(0);
final JToolTip tt = lab.createToolTip();
tt.setBackground(Color.yellow);
tt.setForeground(Color.black);
lab.setToolTipText("Standard-Tooltip");
frame.addKeyListener(new KeyListener(){
@Override
public void keyPressed(KeyEvent e)
{
if(e.getKeyCode() == KeyEvent.VK_F2)
{
tt.setPreferredSize(new Dimension(500,200));
Robot rob;
try {
rob = new Robot();
rob.mouseMove(lab.getLocationOnScreen().x-1,lab.getLocationOnScreen().y-1);
rob.mouseMove(lab.getLocationOnScreen().x+lab.getWidth()/2,
lab.getLocationOnScreen().y+lab.getHeight()/2);
lab.setToolTipText("Tooltip nach F2");
} catch (AWTException e1) {
e1.printStackTrace();
}
}
}
@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub
}
});
frame.add(lab);
frame.pack();
frame.setVisible(true);
}
}