From 14c3bfcf62da0b90c232f68bdde756c3552d609c Mon Sep 17 00:00:00 2001
From: Marc Zinnschlag <marc@zpages.de>
Date: Thu, 27 Feb 2014 14:46:06 +0100
Subject: [PATCH] added navigation class

---
 apps/opencs/CMakeLists.txt             |  8 +++--
 apps/opencs/view/render/navigation.cpp | 19 ++++++++++++
 apps/opencs/view/render/navigation.hpp | 43 ++++++++++++++++++++++++++
 3 files changed, 68 insertions(+), 2 deletions(-)
 create mode 100644 apps/opencs/view/render/navigation.cpp
 create mode 100644 apps/opencs/view/render/navigation.hpp

diff --git a/apps/opencs/CMakeLists.txt b/apps/opencs/CMakeLists.txt
index 6bcad1d08..1ba24039b 100644
--- a/apps/opencs/CMakeLists.txt
+++ b/apps/opencs/CMakeLists.txt
@@ -64,8 +64,12 @@ opencs_units (view/world
     )
 
 opencs_units (view/render
-	scenewidget
-	)
+    scenewidget
+    )
+
+opencs_units_noqt (view/render
+    navigation
+    )
 
 opencs_units_noqt (view/world
     dialoguesubview subviews
diff --git a/apps/opencs/view/render/navigation.cpp b/apps/opencs/view/render/navigation.cpp
new file mode 100644
index 000000000..14ae7f0b7
--- /dev/null
+++ b/apps/opencs/view/render/navigation.cpp
@@ -0,0 +1,19 @@
+
+#include "navigation.hpp"
+
+float CSVRender::Navigation::getFactor (bool mouse) const
+{
+    float factor = mFastModeFactor;
+
+    if (mouse)
+        factor /= 2; /// \todo make this configurable
+
+    return factor;
+}
+
+CSVRender::Navigation::~Navigation() {}
+
+void CSVRender::Navigation::setFastModeFactor (float factor)
+{
+    mFastModeFactor = factor;
+}
\ No newline at end of file
diff --git a/apps/opencs/view/render/navigation.hpp b/apps/opencs/view/render/navigation.hpp
new file mode 100644
index 000000000..964ceeac6
--- /dev/null
+++ b/apps/opencs/view/render/navigation.hpp
@@ -0,0 +1,43 @@
+#ifndef OPENCS_VIEW_NAVIGATION_H
+#define OPENCS_VIEW_NAVIGATION_H
+
+class QPoint;
+
+namespace Ogre
+{
+    class Camera;
+}
+
+namespace CSVRender
+{
+    class Navigation
+    {
+            float mFastModeFactor;
+
+        protected:
+
+            float getFactor (bool mouse) const;
+
+        public:
+
+            virtual ~Navigation();
+
+            void setFastModeFactor (float factor);
+            ///< Set currently applying fast mode factor.
+
+            virtual bool activate (Ogre::Camera *camera) = 0;
+            ///< \return Update required?
+
+            virtual bool wheelMoved (int delta) = 0;
+            ///< \return Update required?
+
+            virtual bool mouseMoved (const QPoint& delta, int mode) = 0;
+            ///< \param mode: 0: default mouse key, 1: default mouse key and modifier key 1
+            /// \return Update required?
+
+            virtual bool handleMovementKeys (int vertical, int horizontal) = 0;
+            ///< \return Update required?
+    };
+}
+
+#endif