From 040e99fd174e46614e9dc37a77bad67b930ac5e9 Mon Sep 17 00:00:00 2001
From: ppenguin <hieronymusv@gmail.com>
Date: Sun, 15 Jan 2023 20:38:58 +0100
Subject: Add tablets calibration matrix for dynamic rotation with 2-in1/tablet
 PC usage (#1319)

---
 src/managers/input/InputManager.hpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src/managers/input/InputManager.hpp')

diff --git a/src/managers/input/InputManager.hpp b/src/managers/input/InputManager.hpp
index a520ce1c..8e4223eb 100644
--- a/src/managers/input/InputManager.hpp
+++ b/src/managers/input/InputManager.hpp
@@ -25,6 +25,26 @@ struct STouchData {
     Vector2D       touchSurfaceOrigin;
 };
 
+// The third row is always 0 0 1 and is not expected by `libinput_device_config_calibration_set_matrix`
+static const float MATRICES[8][6] = {
+  {// normal
+  1, 0, 0, 0, 1, 0},
+  {// rotation 90°
+  0, -1, 1, 1, 0, 0},
+  {// rotation 180°
+  -1, 0, 1, 0, -1, 1},
+  {// rotation 270°
+  0, 1, 0, -1, 0, 1},
+  {// flipped
+  -1, 0, 1, 0, 1, 0},
+  {// flipped + rotation 90°
+  0, 1, 0, 1, 0, 0},
+  {// flipped + rotation 180°
+  1, 0, 0, 0, -1, 1},
+  {// flipped + rotation 270°
+  0, -1, 1, -1, 0, 1}
+};
+
 class CKeybindManager;
 
 class CInputManager {
-- 
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