From b98584957c587073810c462601e6f9449591c6f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20=E2=80=98Touky=E2=80=99=20Huet?=
 <huet.benjamin@gmail.com>
Date: Sat, 17 May 2014 01:31:03 +0000
Subject: [PATCH] Added Mouse scroll as axis.

---
 src/input/input.cpp           | 1 +
 src/input/input.h             | 6 +++---
 src/platform/sdl/sdlinput.cpp | 4 ++++
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/input/input.cpp b/src/input/input.cpp
index 06c3e1f3..0affb6ec 100644
--- a/src/input/input.cpp
+++ b/src/input/input.cpp
@@ -72,6 +72,7 @@ InputDeviceInternal* InputDeviceInternal::CreateStandardMouse()
 
     mouse->AddAxis("X");
     mouse->AddAxis("Y");
+    mouse->AddAxis("Scroll");
 
     mouse->AddCursor("Cursor");
 
diff --git a/src/input/input.h b/src/input/input.h
index 864ddcfa..bdd6e680 100644
--- a/src/input/input.h
+++ b/src/input/input.h
@@ -100,11 +100,11 @@ private:
     static Array<InputDevice*> devices;
 
     template <typename T>
-    int GetItemIndex(const char* name, const Array<String, T>& Array) const
+    int GetItemIndex(const char* name, const Array<String, T>& array) const
     {
-        for (int i = 0; i < Array.Count(); ++i)
+        for (int i = 0; i < array.Count(); ++i)
         {
-            if (Array[i] == name)
+            if (array[i] == name)
                 return i;
         }
         return -1;
diff --git a/src/platform/sdl/sdlinput.cpp b/src/platform/sdl/sdlinput.cpp
index 2f7bdac1..2f0b9c6b 100644
--- a/src/platform/sdl/sdlinput.cpp
+++ b/src/platform/sdl/sdlinput.cpp
@@ -179,6 +179,8 @@ void SdlInputData::Tick(float seconds)
     }
 #   endif
 
+    m_mouse->SetAxis(2, 0);
+
     /* Handle keyboard and WM events */
     SDL_Event event;
     while (SDL_PollEvent(&event))
@@ -199,6 +201,8 @@ void SdlInputData::Tick(float seconds)
         {
             if (event.button.button != SDL_BUTTON_WHEELUP && event.button.button != SDL_BUTTON_WHEELDOWN)
                 m_mouse->SetKey(event.button.button - 1, event.type == SDL_MOUSEBUTTONDOWN);
+            else
+                m_mouse->SetAxis(2, (event.button.button != SDL_BUTTON_WHEELUP) ? (1) : (-1));
             // TODO: mouse wheel as axis
             break;
         }