Added support for the MouseWheelScrolled event

include/SFML/Window/Event.h

@@ -48,7 +48,8 @@ typedef enum
     sfEvtTextEntered,            ///< A character was entered (data in event.text)
     sfEvtKeyPressed,             ///< A key was pressed (data in event.key)
     sfEvtKeyReleased,            ///< A key was released (data in event.key)
-    sfEvtMouseWheelMoved,        ///< The mouse wheel was scrolled (data in event.mouseWheel)
+    sfEvtMouseWheelMoved,        ///< The mouse wheel was scrolled (data in event.mouseWheel) (deprecated)
+    sfEvtMouseWheelScrolled,     ///< The mouse wheel was scrolled (data in event.mouseWheelScroll)
     sfEvtMouseButtonPressed,     ///< A mouse button was pressed (data in event.mouseButton)
     sfEvtMouseButtonReleased,    ///< A mouse button was released (data in event.mouseButton)
     sfEvtMouseMoved,             ///< The mouse cursor moved (data in event.mouseMove)
@@ -116,7 +117,7 @@ typedef struct
 } sfMouseButtonEvent;
 
 ////////////////////////////////////////////////////////////
-/// \brief Mouse wheel events parameters
+/// \brief Mouse wheel events parameters (deprecated)
 ///
 ////////////////////////////////////////////////////////////
 typedef struct
@@ -127,6 +128,19 @@ typedef struct
     int         y;
 } sfMouseWheelEvent;
 
+////////////////////////////////////////////////////////////
+/// \brief Mouse wheel events parameters
+///
+////////////////////////////////////////////////////////////
+typedef struct
+{
+    sfEventType  type;
+    sfMouseWheel wheel;
+    float        delta;
+    int          x;
+    int          y;
+} sfMouseWheelScrollEvent;
+
 ////////////////////////////////////////////////////////////
 /// \brief Joystick axis move event parameters
 ///
@@ -208,7 +222,8 @@ typedef union
     sfTextEvent            text;            ///< Text event parameters
     sfMouseMoveEvent       mouseMove;       ///< Mouse move event parameters
     sfMouseButtonEvent     mouseButton;     ///< Mouse button event parameters
-    sfMouseWheelEvent      mouseWheel;      ///< Mouse wheel event parameters
+    sfMouseWheelEvent       mouseWheel;        ///< Mouse wheel event parameters (deprecated)
+    sfMouseWheelScrollEvent mouseWheelScroll;  ///< Mouse wheel event parameters
     sfJoystickMoveEvent    joystickMove;    ///< Joystick move event parameters
     sfJoystickButtonEvent  joystickButton;  ///< Joystick button event parameters
     sfJoystickConnectEvent joystickConnect; ///< Joystick (dis)connect event parameters

include/SFML/Window/Mouse.h

@@ -48,6 +48,16 @@ typedef enum
     sfMouseButtonCount ///< Keep last -- the total number of mouse buttons
 } sfMouseButton;
 
+////////////////////////////////////////////////////////////
+/// \brief Mouse wheels
+///
+////////////////////////////////////////////////////////////
+typedef enum
+{
+    sfMouseVerticalWheel,  ///< The vertical mouse wheel
+    sfMouseHorizontalWheel ///< The horizontal mouse wheel
+} sfMouseWheel;
+
 
 ////////////////////////////////////////////////////////////
 /// \brief Check if a mouse button is pressed