lily/include/key.hh

   1 /*
   2   key.hh -- declare Key, Octave_key
   3
   4   (c) 1996,97 Han-Wen Nienhuys
   5 */
   6
   7 #ifndef KEY_HH
   8 #define KEY_HH
   9
  10 #include "varray.hh"
  11 #include "scalar.hh"
  12
  13 /// administration of current key in one octave.
  14 class Octave_key {
  15
  16 public:
  17     Array<int> accidental_i_arr_;
  18
  19     Key();
  20     void set(int i, int acc);
  21     int acc(int i)const { return accidental_i_arr_[i]; }
  22 };
  23
  24 /// administration of accidentals
  25 class Key
  26 {
  27     /** for each octave a key. Has to be private since octave 0 isn't member 0.
  28      */
  29     Array<Octave_key> octaves;
  30 public:
  31     bool multi_octave_b_;
  32
  33     Octave_key&oct(int);
  34     Octave_key  oct(int) const;
  35     void set(int name, int acc);
  36     void set(int oct, int name, int acc);
  37     Key();
  38 };
  39
  40 #endif // KEY_HH
  41
  42