Java Swing Shift + F10辅助function

根据可访问性要求， Shift + F10应该打开右键单击上下文菜单。

在Swing中，一种方法是只将键绑定添加到您创建的每个组件。 但是，我已经尝试扩展EventQueue以处理所有Shift + F10印刷机。 特别是，我已经重写了dispatchEvent（AWTEvent）来将Shift + F10 KeyEvents转换为右键单击mousePresses：

protected void dispatchEvent(AWTEvent event) { if (event instanceof KeyEvent) { KeyEvent ev = (KeyEvent) event; if ((ev.getKeyCode() == KeyEvent.VK_F10) && (ev.getModifiersEx() & InputEvent.SHIFT_DOWN_MASK) > 0) { KeyboardFocusManager kfm = KeyboardFocusManager.getCurrentKeyboardFocusManager(); Component comp = kfm.getFocusOwner(); Point mouse = MouseInfo.getPointerInfo().getLocation(); SwingUtilities.convertPointFromScreen(mouse, comp); eventToDispatch = new MouseEvent(comp, MouseEvent.MOUSE_RELEASED, ev.getWhen(), 0, mouse.x, mouse.y, 1, true); } } } 

但是，这会阻止Shift + F10关闭任何启动的JPopupMenus。 不知道这个解决方案是否可行，或者是否有更好的方法来满足这一要求？

Answer 1

 ActionListener actionListener = new ActionListener() { public void actionPerformed(ActionEvent actionEvent) { try { int dotPosition = textField.getCaretPosition(); Rectangle popupLocation = textField .modelToView(dotPosition); popup.show(textField, popupLocation.x, popupLocation.y); } catch (BadLocationException badLocationException) { System.out.println("Oops"); } } }; KeyStroke keystroke = KeyStroke.getKeyStroke(KeyEvent.VK_F10, InputEvent.SHIFT_MASK); textField.registerKeyboardAction(actionListener, keystroke, JComponent.WHEN_FOCUSED);