widget->setFeatures(QDockWidget::DockWidgetMovable); 按照你的要求,就是只允许移动,即floatable,closable全部不要
文档中的
features : DockWidgetFeatures
This property holds whether the dock widget is movable, closable, and floatable.
By default, this property is set to a combination of DockWidgetClosable, DockWidgetMovable and DockWidgetFloatable.
Access functions:
DockWidgetFeatures features () const
void setFeatures ( DockWidgetFeatures features )
See also DockWidgetFeature.