Может тебе подойдет tooltip ?
пример
| Код |
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.plaf.basic.*;
public class ToolTipComboBox extends JFrame {
String[] items = {"jw" ,"ja" ,"la" };
String[] tooltips = {"Javanese ","Japanese ","Latin "};
public ToolTipComboBox() {
super("ToolTip ComboBox Example");
JComboBox combo = new JComboBox(items);
combo.setRenderer(new MyComboBoxRenderer());
getContentPane().setLayout(new FlowLayout());
getContentPane().add(combo);
}
class MyComboBoxRenderer extends BasicComboBoxRenderer {
public Component getListCellRendererComponent( JList list,
Object value, int index, boolean isSelected, boolean cellHasFocus) {
if (isSelected) {
setBackground(list.getSelectionBackground());
setForeground(list.getSelectionForeground());
if (-1 < index) {
list.setToolTipText(tooltips[index]);
}
} else {
setBackground(list.getBackground());
setForeground(list.getForeground());
}
setFont(list.getFont());
setText((value == null) ? "" : value.toString());
return this;
}
}
public static void main (String args[]) {
ToolTipComboBox frame = new ToolTipComboBox();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.setSize(200, 140);
frame.setVisible(true);
}
}
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