NaClApplication: relative position in MouseMoveEvent.

src/Platform/NaClApplication.cpp

@@ -102,7 +102,7 @@ bool NaClApplication::HandleInputEvent(const pp::InputEvent& event) {
 
         case PP_INPUTEVENT_TYPE_MOUSEMOVE: {
             pp::MouseInputEvent mouseEvent(event);
-            MouseMoveEvent e({mouseEvent.GetPosition().x(), mouseEvent.GetPosition().y()}, static_cast<InputEvent::Modifier>(mouseEvent.GetModifiers()));
+            MouseMoveEvent e({mouseEvent.GetPosition().x(), mouseEvent.GetPosition().y()},  {mouseEvent.GetMovement().x(), mouseEvent.GetMovement().y()}, static_cast<InputEvent::Modifier>(mouseEvent.GetModifiers()));
             mouseMoveEvent(e);
             if(!e.isAccepted()) return false;
             break;

src/Platform/NaClApplication.h

@@ -386,10 +386,17 @@ class NaClApplication::MouseMoveEvent: public NaClApplication::InputEvent {
         /** @brief Position */
         inline Math::Vector2<int> position() const { return _position; }
 
+        /**
+         * @brief Relative position
+         *
+         * Position relative to previous event.
+         */
+        inline Math::Vector2<int> relativePosition() const { return _relativePosition; }
+
     private:
-        inline MouseMoveEvent(const Math::Vector2<int>& position, Modifiers modifiers): InputEvent(modifiers), _position(position) {}
+        inline MouseMoveEvent(const Math::Vector2<int>& position, const Math::Vector2<int>& relativePosition, Modifiers modifiers): InputEvent(modifiers), _position(position), _relativePosition(relativePosition) {}
 
-        const Math::Vector2<int> _position;
+        const Math::Vector2<int> _position, _relativePosition;
 };
 
 CORRADE_ENUMSET_OPERATORS(NaClApplication::Flags)