TestPopupMenu.java 文件源码

private void createAndShowUI() throws Exception {
    frame = new JFrame();
    frame.setTitle("Test Frame");
    frame.setSize(800, 600);

    JDesktopPane pane = new JDesktopPane();
    TestInternalFrameWPopup testInternalFrame1 = new TestInternalFrameWPopup();
    pane.add(testInternalFrame1);

    testInternalFrame1.setVisible(true);
    JScrollPane scrollPane = new JScrollPane(pane);
    frame.getContentPane().add(scrollPane);
    testInternalFrame1.setMaximum(true);
    frame.getRootPane().registerKeyboardAction(e -> {
        TestInternalFrame testInternalFrame2 = new TestInternalFrame();
        pane.add(testInternalFrame2);
        try {
            testInternalFrame2.setMaximum(true);
        } catch (PropertyVetoException ex) {
            throw new RuntimeException(ex);
        }
        testInternalFrame2.setVisible(true);
    }, KeyStroke.getKeyStroke(KeyEvent.VK_U, KeyEvent.CTRL_MASK),
                             JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);

    frame.setVisible(true);
}