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 #GtkWidget::realize,
gdk.window.Window.setSupportMultidevice 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 #GtkWidget::realize, gdk.window.Window.setSupportMultidevice will have to be called manually on them.