From 8f9619e21afa596e847f16f46f353f52da6b8767 Mon Sep 17 00:00:00 2001
From: Xawotihs <Xawotihs@01922e74-a4c3-11dd-a5cd-697bfd0a0cef>
Date: Mon, 27 Jun 2011 21:18:16 +0000
Subject: [PATCH] Added support for wheel mouse events

---
 JGE/src/SDLmain.cpp | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/JGE/src/SDLmain.cpp b/JGE/src/SDLmain.cpp
index 1ee67b543..a8bc06481 100644
--- a/JGE/src/SDLmain.cpp
+++ b/JGE/src/SDLmain.cpp
@@ -151,8 +151,9 @@ public:
 	void OnMouseDoubleClicked(const SDL_MouseButtonEvent& event);
 	void OnMouseClicked(const SDL_MouseButtonEvent& event);
 	void OnMouseMoved(const SDL_MouseMotionEvent& event);
+  void OnMouseWheel(int x, int y);
 
-    void OnTouchEvent(const SDL_TouchFingerEvent& event);
+  void OnTouchEvent(const SDL_TouchFingerEvent& event);
 
 	void OnEvent(SDL_Event* Event)
 	{
@@ -201,6 +202,10 @@ public:
 
 			break;
 
+    case SDL_MOUSEWHEEL:
+      OnMouseWheel(Event->wheel.x, Event->wheel.y);
+      break;
+
 		case SDL_FINGERMOTION:
         case SDL_FINGERDOWN:
         case SDL_FINGERUP:
@@ -433,6 +438,29 @@ void SdlApp::OnMouseDoubleClicked(const SDL_MouseButtonEvent& event)
 #endif
 }
 
+void SdlApp::OnMouseWheel(int x, int y)
+{
+  if(!x && y)
+  { // Vertical wheel
+    if(y > 0)
+    {
+      g_engine->HoldKey_NoRepeat(JGE_BTN_UP);
+    }
+    else
+    {
+      g_engine->HoldKey_NoRepeat(JGE_BTN_DOWN);
+    }
+  }
+  else if(x && !y)
+  { // Horizontal wheel
+    g_engine->HoldKey_NoRepeat(JGE_BTN_LEFT);
+  }
+  else
+  {
+    g_engine->HoldKey_NoRepeat(JGE_BTN_RIGHT);
+  }
+}
+
 void SdlApp::OnMouseClicked(const SDL_MouseButtonEvent& event)
 {
 	if (event.type == SDL_MOUSEBUTTONDOWN)