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 "voicegroup.hh"
  12 #include "assoc.hh"
  13 #include "staffwalker.hh"
  14 #include "staffeleminfo.hh"
  15 #include "plist.hh"
  16
  17 /**
  18   A staff walker which uses registers to decide what to print
  19  */
  20 class Complex_walker: public Staff_walker {
  21     bool try_command_request(Nonmusical_req *req_l);
  22     void do_change_group( Voice * v, String group_id_str);
  23     void do_announces();
  24     void try_request(Request*req);
  25     int c0_position_i_;
  26
  27     Array<Item*> prebreak_item_p_arr_;
  28     Array<Item*> nobreak_item_p_arr_;
  29     Array<Item*> postbreak_item_p_arr_;
  30
  31 public:
  32
  33     IPointerList<Voice_registers *> voice_reg_list_;
  34     IPointerList<Voice_group_registers*> group_reg_list_;
  35     Assoc<Voice *, Voice_group_registers *> voice_group_map_;
  36
  37     Clef_register *clef_reg_p_;
  38     Local_key_register *local_key_reg_p_;
  39     Key_register *key_reg_p_;
  40     Bar_register *bar_reg_p_;
  41     Meter_register *meter_reg_p_;
  42
  43     Array<Staff_elem_info> announce_info_arr_;
  44
  45     /* *************** */
  46
  47     Voice_registers *find_voice_reg(Voice*v_l)const;
  48     Voice_registers *get_voice_reg(Voice*v_l);
  49
  50     /** search for voice_group containing #v_l#
  51
  52       @return
  53       pointer if found,  0 if not found.
  54       */
  55     Voice_group_registers *find_voice_group(Voice* v_l)const;
  56
  57     /// search. Create if necessary
  58     Voice_group_registers *get_voice_group(Voice* v_l);
  59     /** search for voice_group named #id#
  60
  61       @return
  62       pointer if found,  0 if not found.
  63       */
  64     Voice_group_registers *find_voice_group(const char* id)const;
  65
  66     /**
  67       search for voice_group named #id#, create if necessary
  68       */
  69     Voice_group_registers *get_voice_group(const char*);
  70
  71     Array<Voice_registers *> get_voice_regs(Voice_group_registers *) const;
  72
  73     void regs_process_requests();
  74     void typeset_breakable_item(Item * pre_p ,
  75                                 Item * nobreak_p, Item * post_p);
  76     void typeset_element(Staff_elem *elem_p);
  77     void announce_element(Staff_elem_info);
  78     virtual void process_requests();
  79     virtual void do_post_move();
  80     virtual void do_pre_move();
  81     /**
  82       @return the position of central c.
  83      */
  84     int c0_position_i() const;
  85
  86     /**
  87       set the position of central c.
  88       @param the new position
  89      */
  90     void set_c0_position(int j);
  91     Complex_walker(Complex_staff*);
  92     ~Complex_walker();
  93
  94     Complex_staff *staff();
  95 private:
  96 };
  97
  98
  99 #endif // COMPLEXWALKER_HH
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