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