The ::motion-notify-event signal is emitted when the pointer moves
over the widget's GdkWindow.
To receive this signal, the GdkWindow associated to the widget
needs to enable the GDK_POINTER_MOTION_MASK mask.
This signal will be sent to the grab widget if there is one.
The ::motion-notify-event signal is emitted when the pointer moves over the widget's GdkWindow. To receive this signal, the GdkWindow associated to the widget needs to enable the GDK_POINTER_MOTION_MASK mask. This signal will be sent to the grab widget if there is one.