qt 常用消息处理

    virtual void mousePressEvent(QMouseEvent *event);//当点击
    virtual void mouseReleaseEvent(QMouseEvent *event);//当抬起
    virtual void mouseDoubleClickEvent(QMouseEvent *event);//双击
    virtual void mouseMoveEvent(QMouseEvent *event);//移动
#ifndef QT_NO_WHEELEVENT
    virtual void wheelEvent(QWheelEvent *event);//中箭滑轮事件
#endif
    virtual void keyPressEvent(QKeyEvent *event);//键盘按键按下
    virtual void keyReleaseEvent(QKeyEvent *event);//键盘按键抬起
    virtual void focusInEvent(QFocusEvent *event);//获得焦点事件
    virtual void focusOutEvent(QFocusEvent *event);//失去焦点事件
    virtual void enterEvent(QEvent *event);//鼠标进入窗口事件
    virtual void leaveEvent(QEvent *event);//鼠标离开窗口事件
    virtual void paintEvent(QPaintEvent *event);//ui的绘制
    virtual void moveEvent(QMoveEvent *event);//参数移动事件
    virtual void resizeEvent(QResizeEvent *event);//大小变化事件
    virtual void closeEvent(QCloseEvent *event);关闭窗口事件

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转载自blog.csdn.net/qq_18604483/article/details/78488915