Makes widget the current grabbed widget. This means that interaction with
other widgets in the same application is blocked and mouse as well as
keyboard events are delivered to this widget.
If widget is not sensitive, it is not set as the current grabbed
widget and this function does nothing.
Makes widget the current grabbed widget. This means that interaction with other widgets in the same application is blocked and mouse as well as keyboard events are delivered to this widget. If widget is not sensitive, it is not set as the current grabbed widget and this function does nothing.