Returns the `GdkDeviceTool` currently driving input through this gesture.
This function must be called from the handler of one of the [signal@Gtk.GestureStylus:GtkGestureStylus:down], [
signal@Gtk.GestureStylus:GtkGestureStylus:motion], [signal@Gtk.GestureStylus:GtkGestureStylus:up] or [
signal@Gtk.GestureStylus:GtkGestureStylus:proximity] signals.
| this |
a `GtkGestureStylus` |
|
The current stylus tool |