lily/include/walk-regs.hh

   1 /*
   2   walkregs.hh -- declare Walker_registers
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9
  10 #ifndef WALKREGS_HH
  11 #define WALKREGS_HH
  12
  13
  14 #include "register-group.hh"
  15 #include "parray.hh"
  16 /**
  17   Top level registers: the interface to Complex_walker.
  18
  19   [sigh. Sometimes I wish C++ could do better late binding.]
  20
  21   Basically, this distributes and collects elements and elementinfo to
  22   children
  23   */
  24 class Walker_registers : public Register_group_register {
  25
  26     Array<Item*> prebreak_item_p_arr_;
  27     Array<Item*> nobreak_item_p_arr_;
  28     Array<Item*> postbreak_item_p_arr_;
  29     Link_array<Score_elem> musical_item_p_arr_;
  30
  31     Array<Score_elem_info> announce_info_arr_;
  32
  33     Complex_walker * walk_l_;
  34 protected:
  35     virtual Staff_info get_staff_info();
  36
  37     virtual void announce_element(Score_elem_info);
  38     virtual void acknowledge_element(Score_elem_info);
  39     virtual void typeset_breakable_item(Item * pre_p , Item * nobreak_p, Item * post_p);
  40     virtual void typeset_element(Score_elem*elem_p);
  41     virtual Paper_def * paper() const;
  42 public:
  43     virtual void pre_move_processing();
  44     virtual void post_move_processing();
  45
  46
  47     void do_announces();
  48     Walker_registers(Complex_walker*);
  49 };
  50
  51 #endif // WALKREGS_HH