2 musical-request.hh -- declare Musical requests
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
10 #ifndef MUSICALREQUESTS_HH
11 #define MUSICALREQUESTS_HH
13 #include "lily-proto.hh"
15 #include "duration.hh"
19 A request which is coupled to a #Request_chord#
22 class Musical_req : public virtual Request {
25 virtual Lyric_req* lreq_l() { return 0; }
26 virtual Note_req *note() { return 0;}
27 virtual Stem_req *stem() { return 0;}
28 virtual Melodic_req *melodic() { return 0; }
29 virtual Slur_req *slur() { return 0 ; }
30 virtual Beam_req *beam() { return 0 ; }
31 virtual Abbreviation_beam_req* abbrev_beam() { return 0 ; }
32 virtual Rhythmic_req*rhythmic() { return 0; }
33 virtual Musical_script_req*musicalscript() { return 0; }
34 virtual Text_req*text() { return 0; }
35 virtual Rest_req *rest() { return 0; }
36 virtual Skip_req* skip() { return 0; }
37 virtual Dynamic_req* dynamic() { return 0; }
38 virtual Absolute_dynamic_req * absdynamic() { return 0; }
39 virtual Tie_req * tie() { return 0; }
40 virtual Plet_req* plet() { return 0; }
41 virtual Span_dynamic_req * span_dynamic() { return 0; }
42 virtual Abbreviation_req* abbrev() { return 0; }
43 REQUESTMETHODS(Musical_req, musical);
48 /** a request with a duration.
49 This request is used only a base class.
51 class Rhythmic_req : public virtual Musical_req {
56 void set_duration (Duration);
57 bool do_equal_b (Request*) const;
58 virtual Moment duration() const;
60 static int compare (Rhythmic_req const&,Rhythmic_req const&);
61 REQUESTMETHODS(Rhythmic_req, rhythmic);
64 class Skip_req : public Rhythmic_req {
66 REQUESTMETHODS(Skip_req, skip);
69 struct Spacing_req :virtual Request {
75 REQUESTMETHODS(Spacing_req, spacing);
78 struct Abbreviation_req : public Musical_req {
79 REQUESTMETHODS (Abbreviation_req, abbrev);
84 class Blank_req : public Spacing_req, Rhythmic_req {
86 REQUESTMETHODS(Spacing_req, spacing);
90 /// Put a text above or below (?) this staff.
91 class Text_req : public virtual Musical_req {
93 /// preferred position (above/below)
95 /// the characteristics of the text
99 Text_req (int d, Text_def*);
101 Text_req (Text_req const&);
103 REQUESTMETHODS(Text_req,text);
106 /** Put a text in lyric_staff
109 class Lyric_req : public Rhythmic_req, public Text_req {
111 Lyric_req (Text_def* t_p);
112 REQUESTMETHODS(Lyric_req, lreq_l);
115 /// request which has some kind of pitch
116 struct Melodic_req :virtual Musical_req
123 /// 0 natural, 1 sharp, etc
126 /// return height from central c (in halflines)
129 /// transpose. #delta# is relative to central c.
130 virtual void transpose (Melodic_req const *delta);
131 /// return pitch from central c (in halfnotes)
134 bool do_equal_b (Request*) const;
135 static int compare (Melodic_req const&,Melodic_req const&);
136 REQUESTMETHODS(Melodic_req,melodic);
139 /// Put a note of specified type, height, and with accidental on the staff.
140 class Note_req : public Rhythmic_req, virtual public Melodic_req {
143 /// force/supress printing of accidental.
146 bool do_equal_b (Request*) const;
147 Rhythmic_req* rhythmic() { return Rhythmic_req::rhythmic (); }
148 REQUESTMETHODS(Note_req, note);
152 Put a rest on the staff. Why a request? It might be a good idea to not typeset the rest, if the paper is too crowded.
154 class Rest_req : public Rhythmic_req {
156 REQUESTMETHODS(Rest_req,rest);
162 Requests to start or stop something.
163 This type of request typically results in the creation of a #Spanner#
165 class Span_req : public virtual Musical_req {
167 /// should the spanner start or stop, or is it unwanted?
171 bool do_equal_b (Request*) const;
172 REQUESTMETHODS(Span_req,span);
178 /** Start / stop a beam at this note */
179 class Beam_req : public Span_req {
181 /* *************** */
182 REQUESTMETHODS(Beam_req,beam);
188 Start / stop an abbreviation beam at this note.
190 class Abbreviation_beam_req : public Span_req {
192 REQUESTMETHODS (Abbreviation_beam_req, abbrev_beam);
194 Abbreviation_beam_req ();
200 Start a tie at this voice element, end it at the next
202 class Tie_req : public Musical_req {
204 REQUESTMETHODS(Tie_req, tie);
208 class Slur_req : public Span_req {
210 REQUESTMETHODS(Slur_req,slur);
214 /// a plet (bracket with) number
215 class Plet_req : public Span_req {
219 REQUESTMETHODS(Plet_req,plet);
224 class Musical_script_req : public Musical_req, public Script_req {
226 REQUESTMETHODS(Musical_script_req, musicalscript);
230 class Dynamic_req : public virtual Musical_req {
233 for absolute dynamics
235 This sux. We'd want increasing numbers for FFF till PPP, but not
236 for FP, SF, SFZ (FP is *not* louder than FFF)
239 FFF, FF, F, MF, MP, P, PP, PPP, FP, SF, SFZ
241 static String loudness_static_str (Loudness);
242 REQUESTMETHODS(Dynamic_req, dynamic);
245 class Absolute_dynamic_req : public Dynamic_req {
248 String loudness_str () const;
249 Absolute_dynamic_req();
250 REQUESTMETHODS(Absolute_dynamic_req, absdynamic);
253 class Span_dynamic_req : public Dynamic_req, public Span_req {
255 /// Grow or shrink the volume: 1=cresc, -1 = decresc
256 Direction dynamic_dir_;
258 REQUESTMETHODS(Span_dynamic_req, span_dynamic);
261 #endif // MUSICALREQUESTS_HH