Removed unused iterator code

TODO

@@ -15,6 +15,8 @@ git push --tags
 Stuff to do before 0.6.0 release:
 =================================
 
+* add shifting to axis
+
 * write documentation for --ui-new
 
 * --ui-new must reset events to neutral when switching input mapping

src/button_map.hpp

@@ -39,87 +39,6 @@ public:
   ButtonEvent lookup(XboxButton shift_code, XboxButton code) const;
 
   void clear();
-
-  template<class Pred>
-  bool contains(const Pred& pred) 
-  {
-    for(int shift_code = 0; shift_code < XBOX_BTN_MAX; ++shift_code)
-    {
-      for(int code = 0; code < XBOX_BTN_MAX; ++code)
-      {
-        if (pred(btn_map[shift_code][code]))
-        {
-          return true;
-        }
-      }
-    }
-    return false;
-  }
-
-  // FIXME: use boost::iterator_apdator or a template to make this
-  // prettier and allow proper const, non-const versions
-  struct iterator 
-  {
-    friend class ButtonMap;
-  private:
-    ButtonMap& btn_map;
-    int j;
-    int i;
-
-    iterator(ButtonMap& btn_map_) :
-      btn_map(btn_map_), 
-      j(0), 
-      i(0)
-    {}
-
-    iterator(ButtonMap& btn_map_, int j_, int i_) :
-      btn_map(btn_map_), 
-      j(j_), 
-      i(i_)
-    {}
-
-  public:
-    void operator++()
-    {
-      assert(j < XBOX_BTN_MAX);
-
-      i += 1;
-      if (i == XBOX_BTN_MAX)
-      {
-        i  = 0;
-        j += 1;
-      }
-    }
-
-    const ButtonEvent& operator*() const
-    {
-      return btn_map.btn_map[j][i];
-    }
-
-    const ButtonEvent& operator->() const
-    {
-      return btn_map.btn_map[j][i];
-    }
-
-    ButtonEvent& operator*()
-    {
-      return btn_map.btn_map[j][i];
-    }
-
-    ButtonEvent& operator->()
-    {
-      return btn_map.btn_map[j][i];
-    }
-
-    bool operator!=(const iterator& rhs) const
-    {
-      assert(&btn_map == &rhs.btn_map);
-      return (j != rhs.j || i != rhs.i);
-    }
-  };
-
-  iterator begin() { return iterator(*this); }
-  iterator end()   { return iterator(*this, XBOX_BTN_MAX, 0); }
 };
 
 #endif