hdr/commandrequest.hh

   1 /*
   2   commandrequest.hh -- declare Non musical requests
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9
  10 #ifndef COMMANDREQUEST_HH
  11 #define COMMANDREQUEST_HH
  12
  13 #include "request.hh"
  14 #include "varray.hh"
  15
  16 /** Request which are  assumed to be "happening" before the
  17   musical requests. */
  18 struct Command_req : virtual Request {
  19     REQUESTMETHODS(Command_req, command);
  20
  21     virtual Measure_grouping_req * measuregrouping() { return 0; }
  22     virtual Clef_change_req * clefchange() { return 0; }
  23     virtual Key_change_req * keychange() { return 0; }
  24     virtual Partial_measure_req * partial() { return 0; }
  25     virtual Meter_change_req * meterchange() { return 0; }
  26     virtual Bar_req *bar() { return 0; }
  27     virtual Cadenza_req *cadenza() { return 0; }
  28     virtual Timing_req*timing() {  return 0; }
  29 };
  30
  31
  32 /** Baseclass for meter/partial req. It has to be handled by
  33   Staff_{walker,column} baseclass.  */
  34 struct Timing_req : Command_req {
  35     REQUESTMETHODS(Timing_req, timing);
  36 };
  37
  38
  39 struct Partial_measure_req : Timing_req {
  40     Moment duration_;
  41
  42     Partial_measure_req(Moment);
  43     REQUESTMETHODS(Partial_measure_req, partial);
  44 };
  45
  46 /**
  47   todo: allow C meter
  48  */
  49 struct Meter_change_req : Timing_req {
  50     int beats_i_, one_beat_i_;
  51
  52     Meter_change_req();
  53     void set(int,int);
  54     REQUESTMETHODS(Meter_change_req, meterchange);
  55 };
  56
  57 /// toggle Cadenza mode
  58 struct Cadenza_req : Timing_req {
  59     /// turn on?
  60     bool on_b_;
  61     Cadenza_req(bool);
  62     REQUESTMETHODS(Cadenza_req,cadenza);
  63 };
  64
  65 /// check if we're at start of a  measure.
  66 struct Barcheck_req : Timing_req {
  67
  68     REQUESTMETHODS(Barcheck_req,barcheck);
  69 };
  70
  71 struct Measure_grouping_req: Timing_req {
  72     Array<int> beat_i_arr_;
  73     Array<Moment> elt_length_arr_;
  74
  75     REQUESTMETHODS(Measure_grouping_req, measuregrouping);
  76 };
  77
  78 struct Group_change_req : Command_req {
  79     String newgroup_str_;
  80     REQUESTMETHODS(Group_change_req, groupchange);
  81 };
  82
  83 /** draw a (repeat)-bar. This something different than #Barcheck_req#,
  84   the latter should only happen at the start of a measure.  */
  85 struct Bar_req : Command_req {
  86     String type_str_;
  87     Bar_req(String);
  88     int compare(const Bar_req&)const;
  89     REQUESTMETHODS(Bar_req,bar);
  90 };
  91 struct Terminate_voice_req : Command_req {
  92     REQUESTMETHODS(Terminate_voice_req,terminate);
  93 };
  94
  95 struct Group_feature_req : Command_req {
  96     int stemdir_i_;
  97     Group_feature_req();
  98     REQUESTMETHODS(Group_feature_req, groupfeature);
  99 };
 100
 101
 102 struct Key_change_req : Command_req {
 103     Array<Melodic_req*> melodic_p_arr_;
 104
 105     Key_change_req();
 106     Key_change_req(Key_change_req const&);
 107     ~Key_change_req();
 108     REQUESTMETHODS(Key_change_req, keychange);
 109 };
 110
 111 struct Clef_change_req : Command_req {
 112     String clef_str_;
 113     Clef_change_req(String);
 114     REQUESTMETHODS(Clef_change_req, clefchange);
 115 };
 116
 117 #endif // COMMANDREQUEST_HH