因为昨天上不了网,翻了好久的API还是翻不出来。。JPopupMenu这东西要怎么用?我加到一个JFrame里面,右键都点烂,就是不出来。。郁闷。。有没有简单点的例子给晚辈看看。。谢谢高手帮忙。。
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import java.awt.Component;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JRadioButtonMenuItem;public class JPopupMenuTest { private JFrame frame; /**
* Launch the application
* @param args
*/
public static void main(String args[]) {
try {
JPopupMenuTest window = new JPopupMenuTest();
window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
} /**
* Create the application
*/
public JPopupMenuTest() {
initialize();
} /**
* Initialize the contents of the frame
*/
private void initialize() {
frame = new JFrame();
frame.setBounds(100, 100, 290, 234);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); final JPopupMenu popupMenu = new JPopupMenu();
addPopup(frame.getContentPane(), popupMenu); final JMenuItem newItemMenuItem = new JMenuItem();
newItemMenuItem.setText("New Item");
popupMenu.add(newItemMenuItem); popupMenu.addSeparator(); final JCheckBoxMenuItem newCheckboxCheckBoxMenuItem = new JCheckBoxMenuItem();
newCheckboxCheckBoxMenuItem.setText("New CheckBox");
popupMenu.add(newCheckboxCheckBoxMenuItem); final JMenu menu = new JMenu();
menu.setText("New SubMenu");
popupMenu.add(menu); final JMenuItem newItemMenuItem_1 = new JMenuItem();
newItemMenuItem_1.setText("New Item");
menu.add(newItemMenuItem_1); final JCheckBoxMenuItem newCheckboxCheckBoxMenuItem_1 = new JCheckBoxMenuItem();
newCheckboxCheckBoxMenuItem_1.setText("New CheckBox");
menu.add(newCheckboxCheckBoxMenuItem_1); final JRadioButtonMenuItem newRadiobuttonRadioButtonMenuItem_1 = new JRadioButtonMenuItem();
newRadiobuttonRadioButtonMenuItem_1.setText("New RadioButton");
menu.add(newRadiobuttonRadioButtonMenuItem_1); final JRadioButtonMenuItem newRadiobuttonRadioButtonMenuItem = new JRadioButtonMenuItem();
newRadiobuttonRadioButtonMenuItem.setText("New RadioButton");
popupMenu.add(newRadiobuttonRadioButtonMenuItem);
} private static void addPopup(Component component, final JPopupMenu popup) {
component.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
if (e.isPopupTrigger())
showMenu(e);
}
public void mouseReleased(MouseEvent e) {
if (e.isPopupTrigger())
showMenu(e);
}
private void showMenu(MouseEvent e) {
popup.show(e.getComponent(), e.getX(), e.getY());
}
});
}
}
最近研究swt,不知道有没有托盘功能。