XComponentPeer.java 文件源码

void handleJavaMouseEvent(MouseEvent e) {
        switch (e.getID()) {
          case MouseEvent.MOUSE_PRESSED:
              if (target == e.getSource() &&
                  !target.isFocusOwner() &&
                  XKeyboardFocusManagerPeer.shouldFocusOnClick(target))
              {
                  XWindowPeer parentXWindow = getParentTopLevel();
                  Window parentWindow = ((Window)parentXWindow.getTarget());
                  // Simple windows are non-focusable in X terms but focusable in Java terms.
                  // As X-non-focusable they don't receive any focus events - we should generate them
                  // by ourselfves.
//                   if (parentXWindow.isFocusableWindow() /*&& parentXWindow.isSimpleWindow()*/ &&
//                       !(getCurrentNativeFocusedWindow() == parentWindow))
//                   {
//                       setCurrentNativeFocusedWindow(parentWindow);
//                       WindowEvent wfg = new WindowEvent(parentWindow, WindowEvent.WINDOW_GAINED_FOCUS);
//                       parentWindow.dispatchEvent(wfg);
//                   }
                  XKeyboardFocusManagerPeer.requestFocusFor(target, FocusEvent.Cause.MOUSE_EVENT);
              }
              break;
        }
    }