+public:
+ Panel(const Resources &);
+ ~Panel();
+
+ void add(Widget &);
+
+ void button_press(int, int, unsigned);
+ void button_release(int, int, unsigned);
+ void pointer_motion(int, int);
+ void key_press(unsigned, unsigned, wchar_t);
+ void key_release(unsigned, unsigned);
+ void focus_out();
+private: