从popmenu动作事件中获取右键单击位置

Question

我有一个java程序,在JPanel中右键单击时打开一个弹出菜单.单击任何弹出菜单项时,我想打印在终端中触发弹出菜单的右键单击位置.我该怎么做呢？如何在弹出操作事件中获取右键单击发生位置的位置？

如果弹出菜单位于JComponent中,代码如何更改？

这是程序.

    import java.awt.EventQueue;
    import java.awt.event.*;
    import javax.swing.*;

    public class MenuTest
    {
        public static void main(String[] args)
        {
            EventQueue.invokeLater(new Runnable()
            {
                public void run()
                {
                    MenuFrame frame = new MenuFrame();
                    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                    frame.setVisible(true);
                }
            });
        }
    }

    class MenuFrame extends JFrame
    {
        public MenuFrame()
        {
            setTitle("MenuTest");
            setSize(300, 200);

            Action cutAction = new TestAction("Cut");
            Action copyAction = new TestAction("Copy");
            Action pasteAction = new TestAction("Paste");

            JPopupMenu popup = new JPopupMenu();
            popup.add(cutAction);
            popup.add(copyAction);
            popup.add(pasteAction);

            JPanel panel = new JPanel();
            panel.setComponentPopupMenu(popup);
            add(panel);

            panel.addMouseListener(new MouseAdapter() {});
        }

        class TestAction extends AbstractAction
        {
            public TestAction(String name)
            {
                super(name);
            }

            public void actionPerformed(ActionEvent event)
            {
                System.out.println("Right click happened at ?"); // How do I get right click location?          
            }
        }
    }

Answer 1

为按下事件添加鼠标侦听器（点击事件由弹出窗口捕获）：

    panel.addMouseListener(new MouseAdapter() {
        @Override
        public void mousePressed(MouseEvent e) {
            clickLocation.setSize(e.getX(), e.getY());
        }
    });
    Action cutAction = new TestAction("Cut", clickLocation);
    Action copyAction = new TestAction("Copy", clickLocation);
    Action pasteAction = new TestAction("Paste", clickLocation);

打印出尺寸：

    private Dimension clickLocation;

    public TestAction(String name, Dimension clickLocation) {
        super(name);
        this.clickLocation = clickLocation;
    }

    public void actionPerformed(ActionEvent event) {
        System.out.println("Right click happened at " + clickLocation);
    }