This widget works like the standard Windows resize handle. In the X11 version this resize handle generally works differently from the one provided by the system if the X11 window manager does not support necessary modern post-ICCCM specifications.
Put this widget anywhere in a widget tree and the user can use it to resize the top-level window or any widget with the
SubWindowflag set. Generally, this should be in the lower right-hand corner.
QStatusBaralready uses this widget, so if you have a status bar (e.g., you are using
QMainWindow), then you don’t need to use this widget explicitly. The same goes for
QDialog, for which you can just call
On some platforms the size grip automatically hides itself when the window is shown full screen or maximised.
A size grip widget at the bottom-right corner of a main window, shown in the Fusion widget style .
QWidgetand reimplements the
mouseMoveEvent()functions to feature the resize functionality, and the
paintEvent()function to render the size grip widget.
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