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