hdr/complexwalker.hh

   1 /*
   2   complexwalker.hh -- declare Complex_walker
   3
   4   (c) 1996,97 Han-Wen Nienhuys
   5 */
   6
   7 #ifndef COMPLEXWALKER_HH
   8 #define COMPLEXWALKER_HH
   9
  10 #include "proto.hh"
  11 #include "assoc.hh"
  12 #include "staffwalker.hh"
  13 #include "staffeleminfo.hh"
  14 #include "plist.hh"
  15
  16 /**
  17   A staff walker which uses registers to decide what to print
  18  */
  19 class Complex_walker: public Staff_walker {
  20     bool try_command_request(Command_req *req_l);
  21     void do_change_group( Voice * v, String group_id_str);
  22     void do_announces();
  23     void try_request(Request*req);
  24     int c0_position_i_;
  25
  26     Array<Item*> prebreak_item_p_arr_;
  27     Array<Item*> nobreak_item_p_arr_;
  28     Array<Item*> postbreak_item_p_arr_;
  29
  30 public:
  31
  32     IPointerList<Voice_registers *> voice_reg_list_;
  33     IPointerList<Voice_group_registers*> group_reg_list_;
  34     Assoc<Voice *, Voice_group_registers *> voice_group_map_;
  35
  36     Array<Staff_elem_info> announce_info_arr_;
  37     Walker_registers *walk_regs_p_;
  38
  39     /* *************** */
  40
  41     Voice_registers *find_voice_reg(Voice*v_l)const;
  42     Voice_registers *get_voice_reg(Voice*v_l);
  43
  44     /** search for voice_group containing #v_l#
  45
  46       @return
  47       pointer if found,  0 if not found.
  48       */
  49     Voice_group_registers *find_voice_group(Voice* v_l)const;
  50
  51     /// search. Create if necessary
  52     Voice_group_registers *get_voice_group(Voice* v_l);
  53     /** search for voice_group named #id#
  54
  55       @return
  56       pointer if found,  0 if not found.
  57       */
  58     Voice_group_registers *find_voice_group(const char* id)const;
  59
  60     /**
  61       search for voice_group named #id#, create if necessary
  62       */
  63     Voice_group_registers *get_voice_group(const char*);
  64
  65     Array<Voice_registers *> get_voice_regs(Voice_group_registers *) const;
  66
  67     void regs_process_requests();
  68     void typeset_breakable_item(Item * pre_p ,
  69                                 Item * nobreak_p, Item * post_p);
  70     void typeset_element(Staff_elem *elem_p);
  71     void announce_element(Staff_elem_info);
  72     virtual void process_requests();
  73     virtual void do_post_move();
  74     virtual void do_pre_move();
  75     /**
  76       @return the position of central c.
  77      */
  78     int c0_position_i() const;
  79
  80     /**
  81       set the position of central c.
  82       @param the new position
  83      */
  84     void set_c0_position(int j);
  85     Complex_walker(Complex_staff*);
  86     ~Complex_walker();
  87
  88     Complex_staff *staff();
  89 private:
  90 };
  91
  92
  93 #endif // COMPLEXWALKER_HH
  94
  95