#if GTK_CHECK_VERSION(3, 22, 0)
	static guint32 prev_time;
	if(event) {
		GdkDevice *d = gdk_event_get_source_device(event);
		if(d && gdk_device_get_source(d) == GDK_SOURCE_PEN) {
			e.pen = true;
			e.pen_barrel = MouseState & GDK_BUTTON3_MASK;
			double *axes = NULL;
			if(event->type == GDK_MOTION_NOTIFY) {
				GdkEventMotion *mevent = (GdkEventMotion *)event;
				axes = mevent->axes;
				GdkTimeCoord **events;
				int n_events;
				if(gdk_device_get_history(d, mevent->window, prev_time, mevent->time, &events, &n_events)) {
					DLOG("=====");
					DDUMP(e.mousepos);
				    for(int i = 0; i < n_events; i++) {
					    double x = 0, y = 0, pressure = 0.5;
					    gdk_device_get_axis (d, events[i]->axes, GDK_AXIS_X, &x);
					    gdk_device_get_axis (d, events[i]->axes, GDK_AXIS_Y, &y);
					    gdk_device_get_axis (d, events[i]->axes, GDK_AXIS_PRESSURE, &pressure);
					    DDUMP(x);
					    DDUMP(y);
					    DDUMP(pressure);
					}
					gdk_device_free_history (events, n_events);
				}
				prev_time = gdk_event_get_time(event);
			}
			if(findarg(event->type, GDK_BUTTON_PRESS, GDK_2BUTTON_PRESS, GDK_3BUTTON_PRESS, GDK_BUTTON_RELEASE) >= 0)
				axes = ((GdkEventButton *)event)->axes;
			if(axes) {
				double h;
				if(axes && gdk_device_get_axis(d, axes, GDK_AXIS_PRESSURE, &h))
					e.pen_pressure = h;
				if(axes && gdk_device_get_axis(d, axes, GDK_AXIS_ROTATION, &h))
					e.pen_rotation = h;
				if(axes && gdk_device_get_axis(d, axes, GDK_AXIS_XTILT, &h))
					e.pen_tilt.x = h;
				if(axes && gdk_device_get_axis(d, axes, GDK_AXIS_YTILT, &h))
					e.pen_tilt.y = h;
			}
		}
	}
#endif