diff --git a/gamecore.cpp b/gamecore.cpp
index dcfc663..35881ac 100644
--- a/gamecore.cpp
+++ b/gamecore.cpp
@@ -1,5 +1,6 @@
 #include "gamecore.h"
 #include "mathutils.h"
+#include "debug.h"
 #include <SDL/SDL.h>
 
 int GameCore::MAX_MOVE_DISTANCE = 100;
@@ -70,3 +71,9 @@ void GameCore::on_rbutton_down(int mX, int mY)
 {
     data.clear_current_vertex();
 }
+
+
+void GameCore::on_key_down(SDLKey sym, SDLMod mod, Uint16 unicode)
+{
+    if (sym == SDLK_q && mod & KMOD_CTRL) is_running = false;
+}
diff --git a/gamecore.h b/gamecore.h
index a69e500..07216e3 100644
--- a/gamecore.h
+++ b/gamecore.h
@@ -24,6 +24,8 @@ class GameCore : public MainEvent
     void on_exit();
     void on_lbutton_down(int x, int y);
     void on_rbutton_down(int mX, int mY);
+    void on_key_down(SDLKey sym, SDLMod mod, Uint16 unicode);
+
 
  private:
     bool init();