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1 /*
2   key-performer.hh -- declare Key_performer
3
4   source file of the GNU LilyPond music typesetter
5
6   (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
7 */
8
9 #ifndef KEY_PERFOMER_HH
10 #define KEY_PERFOMER_HH
11
12 #include "lily-proto.hh"
13 #include "performer.hh"
14
15 class Key_performer : public Performer {
16 public:
17     DECLARE_MY_RUNTIME_TYPEINFO;
18     Key_performer();
19     ~Key_performer();
20
21 protected:
22     void do_print() const;
23     virtual bool do_try_request (Request* req_l);
24     virtual void process_requests();
25
26 private:
27     Key_change_req* key_req_l_;
28 };
29
30 #endif // KEY_PERFOMER_HH