/*
musical-request.hh -- declare Musical requests
- source file of the LilyPond music typesetter
+ source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#ifndef MUSICALREQUESTS_HH
#define MUSICALREQUESTS_HH
+#include "lily-proto.hh"
#include "request.hh"
+#include "duration.hh"
+#include "pitch.hh"
+#include "array.hh"
-
-/**
- A request which is coupled to a #Voice_element# with nonzero duration.
- Base class only
+/** a request with a duration.
+ This request is used only used as a base class.
*/
-struct Musical_req : virtual Request {
-
- virtual Skip_req* skip() { return 0; }
- virtual Dynamic_req* dynamic() { return 0; }
- virtual Absolute_dynamic_req * absdynamic() { return 0; }
- virtual Subtle_req * subtle() { return 0; }
- virtual Span_dynamic_req * span_dynamic() { return 0; }
- REQUESTMETHODS(Musical_req, musical);
+class Rhythmic_req : public virtual Request {
+public:
+ bool do_equal_b (Request const*) const;
+ void compress (Moment);
+ virtual Moment length_mom () const;
+ static int compare (Rhythmic_req const&,Rhythmic_req const&);
+ VIRTUAL_COPY_CONS (Music);
};
-
-struct Skip_req : Musical_req {
- Moment duration_;
-
- virtual Moment duration() const;
- REQUESTMETHODS(Skip_req, skip);
-};
-/** a request with a duration.
- This request is used only a base class.
- */
-struct Rhythmic_req : virtual Musical_req {
- int balltype;
- int dots;
- Moment plet_factor;
- /* *************** */
- static int compare(const Rhythmic_req &, const Rhythmic_req &);
- virtual Moment duration() const;
- Rhythmic_req();
- Rhythmic_req(int,int);
- REQUESTMETHODS(Rhythmic_req, rhythmic);
-};
-
-struct Spacing_req :virtual Request {
- Moment next;
- Real distance;
- Real strength;
- /* *************** */
- Spacing_req();
- REQUESTMETHODS(Spacing_req, spacing);
-};
-
-struct Blank_req : Spacing_req, Rhythmic_req {
- REQUESTMETHODS(Spacing_req, spacing);
-
+class Skip_req : public Rhythmic_req {
+public:
+ VIRTUAL_COPY_CONS (Music);
};
-/// Put a text above or below (?) this staff.
-struct Text_req : virtual Musical_req {
- /// preferred position (above/below)
- int dir_i_;
- /// the characteristics of the text
- Text_def *tdef_p_;
- /* *************** */
- Text_req(int d, Text_def*);
- ~Text_req();
- Text_req(Text_req const&);
- static int compare(const Text_req&,const Text_req&);
- REQUESTMETHODS(Text_req,text);
+
+struct Tremolo_req : public Request {
+ VIRTUAL_COPY_CONS (Music);
+ Tremolo_req ();
+
+ void set_type (int);
+ int get_type () const;
};
-/** Put a text in lyric_staff
- @see Lyric_staff
+
+/**
+ a syllable or lyric is a string with rhythm.
*/
-struct Lyric_req : public Rhythmic_req, Text_req {
- Lyric_req(Text_def* t_p);
- REQUESTMETHODS(Lyric_req, lreq_l);
+class Lyric_req : public Rhythmic_req
+{
+protected:
+ VIRTUAL_COPY_CONS (Music);
};
-/// request which has some kind of pitch
-struct Melodic_req :virtual Musical_req
+
+class Articulation_req : public Script_req
+{
+public:
+ String get_articulation_str ();
+protected:
+ virtual bool do_equal_b (Request const*) const;
+
+ VIRTUAL_COPY_CONS (Music);
+};
+
+class Text_script_req : public Script_req
{
- /// 0 is c, 6 is b
- int notename_i_;
- /// 0 is central c
- int octave_i_;
+protected:
+ VIRTUAL_COPY_CONS (Music);
+ virtual bool do_equal_b (Request const*) const;
+};
- /// 0 natural, 1 sharp, etc
- int accidental_i_;
- /// return height from central c (in halflines)
- int height()const;
+/// request which has some kind of pitch
+struct Melodic_req :virtual Request
+{
+ static int compare (Melodic_req const&,Melodic_req const&);
+
+protected:
+ virtual bool do_equal_b (Request const*) const;
- /// transpose. #delta# is relative to central c.
- void transpose(Melodic_req const &delta);
- /// return pitch from central c (in halfnotes)
- int pitch()const;
- Melodic_req();
-
- REQUESTMETHODS(Melodic_req,melodic);
+ VIRTUAL_COPY_CONS (Music);
};
-/// Put a note of specified type, height, and with accidental on the staff.
-struct Note_req : Rhythmic_req, virtual Melodic_req {
-
+/*
+ Put a note of specified type, height, and with accidental on the staff.
/// force/supress printing of accidental.
- bool forceacc_b_;
- Note_req();
- Rhythmic_req* rhythmic() { return Rhythmic_req::rhythmic(); }
- REQUESTMETHODS(Note_req, note);
- };
+ bool forceacc_b_;
+ /// Cautionary, i.e. parenthesized accidental.
+ bool cautionary_b_;
-/**
-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.
-*/
-class Rest_req : public Rhythmic_req {
+ */
+class Note_req : public Rhythmic_req, virtual public Melodic_req {
public:
- REQUESTMETHODS(Rest_req,rest);
-};
+
+ Note_req ();
+protected:
-/**
- attach a stem to the noteball.
- Rhythmic_req parent needed to determine if it will fit inside a beam.
- */
-struct Stem_req : Rhythmic_req {
- /// preferred direction for the stem
- int dir_i_;
- Stem_req(int s, int dots);
- REQUESTMETHODS(Stem_req,stem);
+ bool do_equal_b (Request const*) const;
+ VIRTUAL_COPY_CONS (Music);
};
/**
- Requests to start or stop something.
- This type of request typically results in the creation of a #Spanner#
+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.
*/
-struct Span_req : virtual Musical_req {
- /// should the spanner start or stop, or is it unwanted?
- enum {
- NOSPAN, START, STOP
- } spantype ;
- static int compare(const Span_req &r1, const Span_req &r2);
- REQUESTMETHODS(Span_req,span);
-
- Span_req();
-
+class Rest_req : public Rhythmic_req {
+public:
+ VIRTUAL_COPY_CONS (Music);
};
-/**
- request for backward plet generation.
- ugr. Place in hierarchy?
- */
-struct Plet_req : virtual Request {
- char type_c_;
- int dur_i_;
- int type_i_;
- Plet_req();
-
- REQUESTMETHODS(Plet_req,plet);
+/// an extender line
+class Extender_req : public Request {
+public:
+ VIRTUAL_COPY_CONS (Music);
};
-/** Start / stop a beam at this note. if #nplet# is set, the staff will try to put an
-appropriate number over the beam
- */
-struct Beam_req : Span_req {
- int nplet;
-
- /* *************** */
- REQUESTMETHODS(Beam_req,beam);
-
- Beam_req();
+/// a centred hyphen
+class Hyphen_req : public Request {
+public:
+ VIRTUAL_COPY_CONS (Music);
};
-/// a slur
-struct Slur_req : Span_req {
- REQUESTMETHODS(Slur_req,slur);
-
+/** is anyone playing a note?
+ Used for communication between Music & Lyrics
+ */
+class Busy_playing_req : public Request
+{
+public:
+ VIRTUAL_COPY_CONS (Music);
};
-/** Put a script above or below this ``note''. eg upbow, downbow. Why
- a request? These symbols may conflict with slurs and brackets, so
- this also a request */
-struct Script_req : Musical_req {
- int dir_i_;
- Script_def *scriptdef_p_;
- /* *************** */
- static int compare(const Script_req &, const Script_req &);
- Script_req(int d, Script_def*);
- REQUESTMETHODS(Script_req,script);
- ~Script_req();
- Script_req(Script_req const&);
+/**
+ instruct lyric context to alter typesetting (unimplemented). */
+class Melisma_req : public Span_req
+{
+public:
+ VIRTUAL_COPY_CONS (Music);
};
-/** A helper in the hierarchy. Each dynamic is bound to one note ( a
- crescendo spanning multiple notes is thought to be made of two
- "dynamics": a start and a stop). Dynamic changes can occur in a
- smaller time than the length of its note, therefore fore each
- Dynamic request carries a time, measured from the start of its
- note.
- */
-struct Subtle_req : virtual Musical_req {
- Moment subtime_;
- REQUESTMETHODS(Subtle_req, subtle);
-};
-struct Dynamic_req : Subtle_req {
- /// for absolute dynamics
- enum Loudness {
- FFF, FF, F, MF, MP, P, PP, PPP
- };
- static String loudness_str(Loudness);
- REQUESTMETHODS(Dynamic_req, dynamic);
+/**
+ Helping req to signal start of a melisma from within a context, and
+ to */
+class Melisma_playing_req : public Request
+{
+public:
+ VIRTUAL_COPY_CONS (Music);
};
-struct Absolute_dynamic_req : Dynamic_req {
- Loudness loudness_;
- Absolute_dynamic_req();
- REQUESTMETHODS(Absolute_dynamic_req, absdynamic);
+class Arpeggio_req : public Request
+{
+public:
+ VIRTUAL_COPY_CONS (Music);
};
-struct Span_dynamic_req : Dynamic_req, Span_req {
- /// Grow or shrink the volume: 1=cresc, -1 = decresc
- int dynamic_dir_i_;
- Span_dynamic_req();
- REQUESTMETHODS(Span_dynamic_req, span_dynamic);
+class Glissando_req : public Request
+{
+public:
+ VIRTUAL_COPY_CONS (Music);
};
#endif // MUSICALREQUESTS_HH