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Use setWindowFlags interface settings window
WindowStaysOnTopHintproperty implementation top operation.
interface
Qt::WindowFlags windowFlags() const
void setWindowFlags(Qt::WindowFlags type)
Window top
- The notification window system window should be on top of all other windows. Note that in some window manager on X11, you must also pass
Qt::X11BypassWindowManagerHint, so this flag to work properly.
setWindowFlags(windowFlags()| Qt::WindowStaysOnTopHint);
Window set to end
- Notification window system should be located at the bottom of the window of all other windows.
setWindowFlags(windowFlags()| Qt::WindowStaysOnBottomHin);