Enables or disables multiple pointer awareness. If this setting is TRUE,
widget will start receiving multiple, per device enter/leave events. Note
that if custom GdkWindows are created in "realize",
gdk_window_set_support_multidevice() will have to be called manually on them.
Enables or disables multiple pointer awareness. If this setting is TRUE, widget will start receiving multiple, per device enter/leave events. Note that if custom GdkWindows are created in "realize", gdk_window_set_support_multidevice() will have to be called manually on them.