From 654d76e79e84a3384fa503fac9003a5d0a32f28b Mon Sep 17 00:00:00 2001
From: german77 <juangerman-13@hotmail.com>
Date: Sun, 14 Nov 2021 14:09:29 -0600
Subject: core/hid: Fully implement native mouse

---
 src/input_common/drivers/mouse.cpp | 31 +++++++++++++++++++++++++------
 src/input_common/drivers/mouse.h   |  7 +++++++
 2 files changed, 32 insertions(+), 6 deletions(-)

(limited to 'src/input_common')

diff --git a/src/input_common/drivers/mouse.cpp b/src/input_common/drivers/mouse.cpp
index afa92b458..478737db2 100644
--- a/src/input_common/drivers/mouse.cpp
+++ b/src/input_common/drivers/mouse.cpp
@@ -12,6 +12,10 @@
 #include "input_common/drivers/mouse.h"
 
 namespace InputCommon {
+constexpr int mouse_axis_x = 0;
+constexpr int mouse_axis_y = 1;
+constexpr int wheel_axis_x = 2;
+constexpr int wheel_axis_y = 3;
 constexpr int touch_axis_x = 10;
 constexpr int touch_axis_y = 11;
 constexpr PadIdentifier identifier = {
@@ -22,6 +26,12 @@ constexpr PadIdentifier identifier = {
 
 Mouse::Mouse(const std::string input_engine_) : InputEngine(input_engine_) {
     PreSetController(identifier);
+    PreSetAxis(identifier, mouse_axis_x);
+    PreSetAxis(identifier, mouse_axis_y);
+    PreSetAxis(identifier, wheel_axis_x);
+    PreSetAxis(identifier, wheel_axis_y);
+    PreSetAxis(identifier, touch_axis_x);
+    PreSetAxis(identifier, touch_axis_x);
     update_thread = std::jthread([this](std::stop_token stop_token) { UpdateThread(stop_token); });
 }
 
@@ -34,14 +44,18 @@ void Mouse::UpdateThread(std::stop_token stop_token) {
             last_mouse_change *= 0.96f;
             const float sensitivity =
                 Settings::values.mouse_panning_sensitivity.GetValue() * 0.022f;
-            SetAxis(identifier, 0, last_mouse_change.x * sensitivity);
-            SetAxis(identifier, 1, -last_mouse_change.y * sensitivity);
+            SetAxis(identifier, mouse_axis_x, last_mouse_change.x * sensitivity);
+            SetAxis(identifier, mouse_axis_y, -last_mouse_change.y * sensitivity);
         }
 
         if (mouse_panning_timout++ > 20) {
             StopPanning();
         }
         std::this_thread::sleep_for(std::chrono::milliseconds(update_time));
+
+        // Reset wheel position
+        SetAxis(identifier, wheel_axis_x, 0);
+        SetAxis(identifier, wheel_axis_y, 0);
     }
 }
 
@@ -89,8 +103,8 @@ void Mouse::MouseMove(int x, int y, f32 touch_x, f32 touch_y, int center_x, int
     if (button_pressed) {
         const auto mouse_move = Common::MakeVec<int>(x, y) - mouse_origin;
         const float sensitivity = Settings::values.mouse_panning_sensitivity.GetValue() * 0.0012f;
-        SetAxis(identifier, 0, static_cast<float>(mouse_move.x) * sensitivity);
-        SetAxis(identifier, 1, static_cast<float>(-mouse_move.y) * sensitivity);
+        SetAxis(identifier, mouse_axis_x, static_cast<float>(mouse_move.x) * sensitivity);
+        SetAxis(identifier, mouse_axis_y, static_cast<float>(-mouse_move.y) * sensitivity);
     }
 }
 
@@ -108,12 +122,17 @@ void Mouse::ReleaseButton(MouseButton button) {
     SetButton(identifier, static_cast<int>(button), false);
 
     if (!Settings::values.mouse_panning) {
-        SetAxis(identifier, 0, 0);
-        SetAxis(identifier, 1, 0);
+        SetAxis(identifier, mouse_axis_x, 0);
+        SetAxis(identifier, mouse_axis_y, 0);
     }
     button_pressed = false;
 }
 
+void Mouse::MouseWheelChange(int x, int y) {
+    SetAxis(identifier, wheel_axis_x, static_cast<f32>(x));
+    SetAxis(identifier, wheel_axis_y, static_cast<f32>(y));
+}
+
 void Mouse::ReleaseAllButtons() {
     ResetButtonState();
     button_pressed = false;
diff --git a/src/input_common/drivers/mouse.h b/src/input_common/drivers/mouse.h
index 1be362b94..429502af9 100644
--- a/src/input_common/drivers/mouse.h
+++ b/src/input_common/drivers/mouse.h
@@ -52,6 +52,13 @@ public:
      */
     void ReleaseButton(MouseButton button);
 
+    /**
+     * Sets the status of the mouse wheel
+     * @param x delta movement in the x direction
+     * @param y delta movement in the y direction
+     */
+    void MouseWheelChange(int x, int y);
+
     void ReleaseAllButtons();
 
     std::vector<Common::ParamPackage> GetInputDevices() const override;
-- 
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