2 command-request.hh -- declare non-musical requests
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
10 #ifndef COMMANDREQUEST_HH
11 #define COMMANDREQUEST_HH
15 #include "duration.hh"
17 /** Request which are assumed to be "happening" before the
19 class Command_req : public virtual Request {
21 REQUESTMETHODS(Command_req, command);
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 Disallow_break_req *disallowbreak() { return 0; }
30 virtual Timing_req*timing() { return 0; }
31 virtual Command_script_req*commandscript() { return 0;}
35 class Command_script_req : public Command_req, public Script_req {
39 REQUESTMETHODS(Command_script_req, commandscript);
43 class Disallow_break_req : public Command_req {
45 REQUESTMETHODS(Disallow_break_req, disallowbreak);
49 /** Baseclass for meter/partial req. It has to be handled by
50 Staff_{walker,column} baseclass. */
51 class Timing_req : public Command_req {
53 REQUESTMETHODS(Timing_req, timing);
54 virtual Tempo_req * tempo(){return 0; }
58 class Tempo_req : public Timing_req
65 REQUESTMETHODS(Tempo_req, tempo);
66 bool do_equal_b (Request *) const;
69 class Partial_measure_req : public Timing_req {
73 Partial_measure_req (Moment);
74 REQUESTMETHODS(Partial_measure_req, partial);
75 bool do_equal_b (Request*) const;
81 class Meter_change_req : public Timing_req {
83 int beats_i_, one_beat_i_;
87 bool do_equal_b (Request*) const;
88 REQUESTMETHODS(Meter_change_req, meterchange);
91 /// toggle Cadenza mode
92 class Cadenza_req : public Timing_req {
96 bool do_equal_b (Request*) const;
98 REQUESTMETHODS(Cadenza_req,cadenza);
101 /// check if we're at start of a measure.
102 class Barcheck_req : public Timing_req {
104 bool do_equal_b (Request *) const;
105 REQUESTMETHODS(Barcheck_req,barcheck);
108 class Measure_grouping_req : public Timing_req {
110 Array<int> beat_i_arr_;
111 Array<Moment> elt_length_arr_;
112 bool do_equal_b (Request *) const;
113 REQUESTMETHODS(Measure_grouping_req, measuregrouping);
116 /** draw a (repeat)-bar. This something different than #Barcheck_req#,
117 the latter should only happen at the start of a measure. */
118 class Bar_req : public Command_req {
122 bool do_equal_b (Request*) const;
124 REQUESTMETHODS(Bar_req,bar);
130 Routines for sharps and flats are separated,
131 so that caller may identify non-conventional keys.
133 class Key_change_req : public Command_req {
135 Array<Melodic_req*> melodic_p_arr_;
138 /// don't ignore the octaves in #melodic_p_arr_#?
139 bool multi_octave_b_;
141 Key_change_req (Key_change_req const&);
143 REQUESTMETHODS(Key_change_req, keychange);
145 /// squash the octaves to 1
146 void squash_octaves();
147 /// return number of flats in key
150 /// return number of sharps in key
153 void transpose (Melodic_req const * d) const;
158 class Clef_change_req : public Command_req {
161 Clef_change_req (String);
162 REQUESTMETHODS(Clef_change_req, clefchange);
165 #endif // COMMANDREQUEST_HH