weixin_42792614的博客

方法一：创建事件过滤器，获取键盘事件 .h头文件中增加： public slots: bool eventFilter(QObject *watched, QEvent *event); .cpp文件中增加： bool VirtualKeyBoard::eventFilter(QObject *watched, QEvent *event) { if (event->type() == QEvent::KeyPress) { QKeyEvent ...