diff --git a/src/inferno.cpp b/src/inferno.cpp
index 78cbe9d..6de00c0 100644
--- a/src/inferno.cpp
+++ b/src/inferno.cpp
@@ -46,6 +46,8 @@ void Inferno::uiPreset()
 
 int Inferno::run() 
 {
+    mWin->setKeyCallback(&handleKbd);
+    mWin->setMouseCallback(&handlePtr);
 
     while (true) {
         if (!mWin->newFrame()) { break; }
@@ -110,4 +112,14 @@ int Inferno::run()
     return 0;
 }
 
+void handleKbd(int key, int scan, int action, int mod)
+{
+
+}
+
+void handlePtr(double x, double y)
+{
+    
+}
+
 }
diff --git a/src/inferno.hpp b/src/inferno.hpp
index 526a796..5bba487 100644
--- a/src/inferno.hpp
+++ b/src/inferno.hpp
@@ -10,7 +10,6 @@ class GLFWwindow;
 class RasterizeRenderer;
 class Scene;
 
-
 class Inferno
 {
 public:
@@ -20,13 +19,21 @@ public:
     void uiPreset();
     int run();
 
+private:
+    double mLastMouseX, mLastMouseY;
+
+    friend void handleKbd(int key, int scan, int action, int mod);
+    friend void handlePtr(double x, double y);
+
 private:
     RasterizeRenderer* mRasterRenderer;
-    
     Scene* mScene;
 
 private:
     Window* mWin;
 };
 
+void handleKbd(int key, int scan, int action, int mod);
+void handlePtr(double x, double y);
+
 }