From 5b16dbb55052f94c62531ac96d6c31ffc287ca8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Fri, 16 Nov 2012 11:49:21 +0100
Subject: [PATCH] Sdl2Application: support for relative position in mouse move
 event.

---
 src/Platform/Sdl2Application.cpp |  2 +-
 src/Platform/Sdl2Application.h   | 11 +++++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/Platform/Sdl2Application.cpp b/src/Platform/Sdl2Application.cpp
index 9ae19073f..c5d030b20 100644
--- a/src/Platform/Sdl2Application.cpp
+++ b/src/Platform/Sdl2Application.cpp
@@ -117,7 +117,7 @@ int Sdl2Application::exec() {
                     } break;
 
                 case SDL_MOUSEMOTION: {
-                    MouseMoveEvent e({event.motion.x, event.motion.y});
+                    MouseMoveEvent e({event.motion.x, event.motion.y}, {event.motion.xrel, event.motion.yrel});
                     mouseMoveEvent(e);
                     break;
                 }
diff --git a/src/Platform/Sdl2Application.h b/src/Platform/Sdl2Application.h
index 10e0e7713..bc416956a 100644
--- a/src/Platform/Sdl2Application.h
+++ b/src/Platform/Sdl2Application.h
@@ -371,6 +371,13 @@ class Sdl2Application::MouseMoveEvent: public Sdl2Application::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; }
+
         /**
          * @brief Modifiers
          *
@@ -379,9 +386,9 @@ class Sdl2Application::MouseMoveEvent: public Sdl2Application::InputEvent {
         Modifiers modifiers();
 
     private:
-        inline MouseMoveEvent(const Math::Vector2<int>& position): _position(position), modifiersLoaded(false) {}
+        inline MouseMoveEvent(const Math::Vector2<int>& position, const Math::Vector2<int>& relativePosition): _position(position), _relativePosition(relativePosition), modifiersLoaded(false) {}
 
-        const Math::Vector2<int> _position;
+        const Math::Vector2<int> _position, _relativePosition;
         bool modifiersLoaded;
         Modifiers _modifiers;
 };