added navigation class

apps/opencs/CMakeLists.txt

@@ -67,6 +67,10 @@ opencs_units (view/render
     scenewidget
     )
 
+opencs_units_noqt (view/render
+    navigation
+    )
+
 opencs_units_noqt (view/world
     dialoguesubview subviews
     enumdelegate vartypedelegate recordstatusdelegate idtypedelegate datadisplaydelegate

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;
+}

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