Widget.setSupportMultidevice
void setSupportMultidevice(bool supportMultidevice)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.
Parameters
supportMultidevice | true to support input from multiple devices. |