HID: use TouchDevice for touch pad

1 files changed, 6 insertions, 0 deletions

diff --git a/src/core/frontend/input.h b/src/core/frontend/input.h
index 5916a901d..8c256beb5 100644
--- a/src/core/frontend/input.h
+++ b/src/core/frontend/input.h
@@ -126,4 +126,10 @@ using AnalogDevice = InputDevice<std::tuple<float, float>>;
  */
 using MotionDevice = InputDevice<std::tuple<Math::Vec3<float>, Math::Vec3<float>>>;
 
+/**
+ * A touch device is an input device that returns a tuple of two floats and a bool. The floats are
+ * x and y coordinates in the range 0.0 - 1.0, and the bool indicates whether it is pressed.
+ */
+using TouchDevice = InputDevice<std::tuple<float, float, bool>>;
+
 } // namespace Input