From c84e60b4700778db236d3177714a076c515f9ce7 Mon Sep 17 00:00:00 2001
From: wwylele <wwylele@gmail.com>
Date: Tue, 8 Aug 2017 21:34:17 +0300
Subject: HID: use TouchDevice for touch pad

---
 src/core/frontend/input.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/core/frontend')

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
-- 
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