-/*
- piano-pedal-engraver.cc -- implement Piano_pedal_engraver
-
+/*
+ piano-pedal-engraver.cc -- implement Piano_pedal_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 2000--2004 Jan Nieuwenhuizen <janneke@gnu.org>
-
+
+ (c) 2000--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+
Chris Jackson <chris@fluffhouse.org.uk> - extended to support
bracketed pedals.
*/
#include "engraver.hh"
-#include "event.hh"
-#include "grob.hh"
-#include "item.hh"
#include "lily-guile.hh"
#include "side-position-interface.hh"
#include "staff-symbol-referencer.hh"
-#include "item.hh"
#include "axis-group-interface.hh"
#include "context.hh"
-
#include "directional-element-interface.hh"
#include "note-column.hh"
#include "warn.hh"
/*
Urgh. This engraver is too complex. rewrite. --hwn
-
*/
struct Pedal_info
{
- char const * name_;
+ char const *name_;
/*
Event for currently running pedal.
*/
- Music* current_bracket_ev_;
+ Music *current_bracket_ev_;
/*
Event for currently starting pedal, (necessary?
-
+
distinct from current_bracket_ev_, since current_bracket_ev_ only
necessary for brackets, not for text style.
- */
- Music* start_ev_;
-
+ */
+ Music *start_ev_;
-
/*
Events that were found in this timestep.
- */
- Drul_array<Music*> event_drul_;
- Item* item_;
- Spanner* bracket_; // A single portion of a pedal bracket
- Spanner* finished_bracket_;
+ */
+ Drul_array<Music *> event_drul_;
+ Item *item_;
+ Spanner *bracket_; // A single portion of a pedal bracket
+ Spanner *finished_bracket_;
/*
This grob contains all the pedals of the same type on the same staff
- */
- Spanner* line_spanner_;
- Spanner* finished_line_spanner_;
+ */
+ Spanner *line_spanner_;
+ Spanner *finished_line_spanner_;
};
-
class Piano_pedal_engraver : public Engraver
{
public:
protected:
virtual void initialize ();
virtual void finalize ();
- virtual bool try_music (Music*);
- virtual void stop_translation_timestep ();
- virtual void acknowledge_grob (Grob_info);
- virtual void process_music ();
+ virtual bool try_music (Music *);
+ void stop_translation_timestep ();
+ DECLARE_ACKNOWLEDGER (note_column);
+ void process_music ();
private:
Record a stack of the current pedal spanners, so if more than one pedal
occurs simultaneously then extra space can be added between them.
*/
-
+
Link_array<Spanner> previous_;
-
+ void del_linespanner (Spanner *);
+
void create_text_grobs (Pedal_info *p, bool);
void create_bracket_grobs (Pedal_info *p, bool);
- void typeset_all ();
+ void typeset_all (Pedal_info *p);
};
-
Piano_pedal_engraver::Piano_pedal_engraver ()
{
info_list_ = 0;
void
Piano_pedal_engraver::initialize ()
{
- previous_.clear ();
+ char *names [] = { "Sostenuto", "Sustain", "UnaCorda", 0 };
- char * names [] = { "Sostenuto", "Sustain", "UnaCorda", 0 };
-
- info_list_ = new Pedal_info[sizeof (names)/ sizeof (const char*)];
+ info_list_ = new Pedal_info[sizeof (names) / sizeof (char const *)];
Pedal_info *p = info_list_;
- char **np = names ;
+ char **np = names;
do
{
p->name_ = *np;
p++;
}
- while (* (np ++));
+ while (* (np++));
}
Piano_pedal_engraver::~Piano_pedal_engraver ()
}
/*
- Urg: Code dup
- I'm a script
- */
+ Urg: Code dup
+ I'm a script
+*/
void
-Piano_pedal_engraver::acknowledge_grob (Grob_info info)
+Piano_pedal_engraver::acknowledge_note_column (Grob_info info)
{
- for (Pedal_info*p = info_list_; p && p->name_; p ++)
+ for (Pedal_info *p = info_list_; p && p->name_; p++)
{
- if (Note_column::has_interface (info.grob_))
+ if (p->line_spanner_)
{
- if (p->line_spanner_)
- {
- Side_position_interface::add_support (p->line_spanner_, info.grob_);
- add_bound_item (p->line_spanner_,info.grob_);
- }
- if (p->bracket_)
- add_bound_item (p->bracket_,info.grob_);
- if (p->finished_bracket_)
- add_bound_item (p->finished_bracket_,info.grob_);
+ Side_position_interface::add_support (p->line_spanner_, info.grob ());
+ add_bound_item (p->line_spanner_, info.grob ());
}
+ if (p->bracket_)
+ add_bound_item (p->bracket_, info.grob ());
+ if (p->finished_bracket_)
+ add_bound_item (p->finished_bracket_, info.grob ());
}
}
bool
Piano_pedal_engraver::try_music (Music *m)
{
- if (m->is_mus_type ("pedal-event"))
+ if (m->is_mus_type ("pedal-event"))
{
- for (Pedal_info*p = info_list_; p->name_; p ++)
+ for (Pedal_info *p = info_list_; p->name_; p++)
{
String nm = p->name_ + String ("Event");
- if (gh_equal_p (m->get_property ("name") ,
- gh_symbol2scm (nm.to_str0())))
+ if (ly_is_equal (m->get_property ("name"),
+ scm_str2symbol (nm.to_str0 ())))
{
Direction d = to_dir (m->get_property ("span-direction"));
p->event_drul_[d] = m;
void
Piano_pedal_engraver::process_music ()
{
- for (Pedal_info*p = info_list_; p && p->name_; p ++)
+ for (Pedal_info *p = info_list_; p && p->name_; p++)
{
if (p->event_drul_[STOP] || p->event_drul_[START])
{
if (!p->line_spanner_)
{
- String name = String (p->name_) + "PedalLineSpanner";
- p->line_spanner_ = make_spanner (name.to_str0 ());
-
- Music * rq = (p->event_drul_[START] ? p->event_drul_[START] : p->event_drul_[STOP]);
- announce_grob (p->line_spanner_, rq->self_scm ());
+ String name = String (p->name_) + "PedalLineSpanner";
+ Music *rq = (p->event_drul_[START] ? p->event_drul_[START] : p->event_drul_[STOP]);
+ p->line_spanner_ = make_spanner (name.to_str0 (), rq->self_scm ());
}
-
+
/* Choose the appropriate grobs to add to the line spanner
- These can be text items or text-spanners
+ These can be text items or text-spanners
*/
/*
ugh, code dup, should read grob to create from other
property.
- bracket: |_________/\____|
- text: Ped. *Ped. *
- mixed: Ped. _____/\____|
- */
-
+ bracket: |_________/\____|
+ text: Ped. *Ped. *
+ mixed: Ped. _____/\____|
+ */
- String prop = String ("pedal") + p->name_ + "Style";
+ String prop = String ("pedal") + p->name_ + "Style";
SCM style = get_property (prop.to_str0 ());
+
bool mixed = style == ly_symbol2scm ("mixed");
- if (style == ly_symbol2scm ("text") ||
- mixed)
- {
- if (! p->item_)
- create_text_grobs (p, mixed);
- }
- if (style == ly_symbol2scm ("bracket") ||
- mixed)
- {
- create_bracket_grobs (p, mixed);
- }
+ bool bracket = (mixed
+ || style == ly_symbol2scm ("bracket"));
+ bool text = (style == ly_symbol2scm ("text")
+ || mixed);
+
+ if (text && !p->item_)
+ create_text_grobs (p, mixed);
+ if (bracket)
+ create_bracket_grobs (p, mixed);
}
}
}
Piano_pedal_engraver::create_text_grobs (Pedal_info *p, bool mixed)
{
SCM s = SCM_EOL;
- SCM strings = get_property ( ("pedal" + String (p->name_) + "Strings").to_str0 ());
+ SCM strings = get_property (("pedal" + String (p->name_) + "Strings").to_str0 ());
if (scm_ilength (strings) < 3)
{
- Music * m = p->event_drul_[START];
+ Music *m = p->event_drul_[START];
if (!m) m = p->event_drul_ [STOP];
- String msg = _ ("Need 3 strings for piano pedals. No pedal made. ");
+ String msg = _f ("expect 3 strings for piano pedals, found: %d",
+ scm_ilength (strings));
if (m)
m->origin ()->warning (msg);
else
warning (msg);
-
- return ;
+
+ return;
}
-
- if (p->event_drul_[STOP] && p->event_drul_[START])
+
+ if (p->event_drul_[STOP] && p->event_drul_[START])
{
if (!mixed)
{
if (!p->start_ev_)
- {
- p->event_drul_[STOP]->origin ()->warning (_f ("can't find start of piano pedal: `%s'", p->name_));
- }
+ p->event_drul_[STOP]->origin ()->warning (_f ("can't find start of piano pedal: `%s'", p->name_));
else
- {
- s = ly_cadr (strings);
- }
+ s = scm_cadr (strings);
p->start_ev_ = p->event_drul_[START];
}
}
else if (p->event_drul_[STOP])
- {
+ {
if (!mixed)
{
if (!p->start_ev_)
- {
- p->event_drul_[STOP]->origin ()->warning (_f ("can't find start of piano pedal: `%s'", p->name_));
- }
+ p->event_drul_[STOP]->origin ()->warning (_f ("can't find start of piano pedal: `%s'", p->name_));
else
- {
- s = ly_caddr (strings);
- if (previous_.size ())
- previous_.pop ();
- }
+ s = scm_caddr (strings);
p->start_ev_ = 0;
}
}
else if (p->event_drul_[START])
{
p->start_ev_ = p->event_drul_[START];
- s = ly_car (strings);
+ s = scm_car (strings);
if (!mixed)
{
/*
// add extra space below the previous already-occuring pedal
Side_position_interface::add_support (p->line_spanner_,
previous_.top ());
- previous_.push ( p->line_spanner_);
+ previous_.push (p->line_spanner_);
}
}
-
- if (gh_string_p (s))
+
+ if (scm_is_string (s))
{
String propname = String (p->name_) + "Pedal";
- p->item_ = make_item (propname.to_str0 ());
+ p->item_ = make_item (propname.to_str0 (), (p->event_drul_[START]
+ ? p->event_drul_[START]
+ : p->event_drul_[STOP])->self_scm ());
+
p->item_->set_property ("text", s);
Axis_group_interface::add_element (p->line_spanner_, p->item_);
-
- announce_grob (p->item_,
- (p->event_drul_[START]
- ? p->event_drul_[START]
- : p->event_drul_[STOP])->self_scm ());
}
if (!mixed)
{
if (!p->bracket_ && p->event_drul_[STOP])
{
- String msg =_f ("can't find start of piano pedal bracket: `%s'", p->name_);
+ String msg = _f ("can't find start of piano pedal bracket: `%s'", p->name_);
p->event_drul_[STOP]->origin ()->warning (msg);
- p->event_drul_[STOP] = 0;
+ p->event_drul_[STOP] = 0;
}
if (p->event_drul_[STOP])
{
- if (!p->event_drul_[START])
- {
- if (previous_.size ())
- previous_.pop ();
- }
-
- assert (!p->finished_bracket_);
+ assert (!p->finished_bracket_);
Grob *cmc = unsmob_grob (get_property ("currentMusicalColumn"));
/*
Set properties so that the stencil-creating function will
know whether the right edge should be flared ___/
- */
+ */
if (!p->event_drul_[START])
{
SCM flare = p->bracket_->get_property ("bracket-flare");
- p->bracket_->set_property ("bracket-flare", scm_cons (gh_car (flare),
- gh_double2scm (0)));
+ p->bracket_->set_property ("bracket-flare", scm_cons (scm_car (flare),
+ scm_from_double (0)));
}
p->finished_bracket_ = p->bracket_;
p->start_ev_ = p->event_drul_[START];
p->current_bracket_ev_ = p->event_drul_[START];
- p->bracket_ = make_spanner ("PianoPedalBracket");
+ p->bracket_ = make_spanner ("PianoPedalBracket", p->event_drul_[START]->self_scm ());
/*
Set properties so that the stencil-creating function will
if (!p->finished_bracket_)
{
SCM flare = p->bracket_->get_property ("bracket-flare");
- p->bracket_->set_property ("bracket-flare", scm_cons (gh_double2scm (0),gh_cdr (flare)));
+ p->bracket_->set_property ("bracket-flare", scm_cons (scm_from_double (0), scm_cdr (flare)));
}
-
- /* Set this property for 'mixed style' pedals, Ped._______/\ ,
- so the stencil function will shorten the ____ line by the length of the Ped. text.
+ /* Set this property for 'mixed style' pedals, Ped._______/\ ,
+ so the stencil function will shorten the ____ line by the length of the Ped. text.
*/
if (mixed)
WTF is pedal-text not the bound of the object? --hwn
*/
if (p->item_)
- p->bracket_->set_property ("pedal-text", p->item_->self_scm ());
+ p->bracket_->set_object ("pedal-text", p->item_->self_scm ());
}
-
/*
We do not use currentMusicalColumn for the left span-point.
If the column as accidentals (eg on a different stave), the
TODO:
what about the right span point?
-
- */
- Axis_group_interface::add_element (p->line_spanner_, p->bracket_);
- announce_grob (p->bracket_, p->event_drul_[START]->self_scm ());
+
+ */
+ Axis_group_interface::add_element (p->line_spanner_, p->bracket_);
if (!p->event_drul_[STOP])
{
code dup. --hwn.
// position new pedal spanner below the current one
- */
- if (previous_.size ())
+ */
+ if (previous_.size ())
Side_position_interface::add_support (p->line_spanner_, previous_.top ());
- previous_.push (p->line_spanner_);
+ previous_.push (p->line_spanner_);
}
}
void
Piano_pedal_engraver::finalize ()
-{
- for (Pedal_info*p = info_list_; p && p->name_; p ++)
+{
+ for (Pedal_info *p = info_list_; p && p->name_; p++)
{
/*
suicide?
- */
+ */
if (p->line_spanner_
- && !p->line_spanner_->live ())
+ && !p->line_spanner_->is_live ())
p->line_spanner_ = 0;
-
+
if (p->bracket_
- && !p->bracket_->live ())
+ && !p->bracket_->is_live ())
p->bracket_ = 0;
-
+
if (p->bracket_)
{
SCM cc = get_property ("currentCommandColumn");
Item *c = unsmob_item (cc);
if (p->line_spanner_)
- {
- p->line_spanner_->set_bound (RIGHT, c);
- }
- p->bracket_ ->set_bound (RIGHT, c);
+ p->line_spanner_->set_bound (RIGHT, c);
+ p->bracket_->set_bound (RIGHT, c);
p->finished_bracket_ = p->bracket_;
p->bracket_ = 0;
p->finished_line_spanner_ = p->line_spanner_;
p->line_spanner_ = 0;
- typeset_all ();
+ typeset_all (p);
}
if (p->line_spanner_)
{
p->finished_line_spanner_ = p->line_spanner_;
- typeset_all ();
+ typeset_all (p);
}
}
}
-
+void
+Piano_pedal_engraver::del_linespanner (Spanner *g)
+{
+ int idx = previous_.find_index (g);
+ if (idx >= 0)
+ previous_.del (idx);
+}
+
void
Piano_pedal_engraver::stop_translation_timestep ()
{
- for (Pedal_info*p = info_list_; p && p->name_; p ++)
+ for (Pedal_info *p = info_list_; p && p->name_; p++)
{
if (!p->bracket_)
{
p->finished_line_spanner_ = p->line_spanner_;
p->line_spanner_ = 0;
+ del_linespanner (p->finished_line_spanner_);
}
+
+ typeset_all (p);
}
-
- typeset_all ();
- for (Pedal_info*p = info_list_; p->name_; p ++)
+ for (Pedal_info *p = info_list_; p->name_; p++)
{
p->event_drul_[STOP] = 0;
p->event_drul_[START] = 0;
}
}
-
void
-Piano_pedal_engraver::typeset_all ()
+Piano_pedal_engraver::typeset_all (Pedal_info *p)
{
- Item * sustain = 0;
- for (Pedal_info*p = info_list_; p->name_; p ++)
- {
- /*
- Handle suicide.
- */
- if (p->finished_line_spanner_
- && !p->finished_line_spanner_->live ())
- p->finished_line_spanner_ = 0;
- if (p->finished_bracket_
- && !p->finished_bracket_->live ())
- p->finished_bracket_ = 0;
-
+ /*
+ Handle suicide.
+ */
+ if (p->finished_line_spanner_
+ && !p->finished_line_spanner_->is_live ())
+ p->finished_line_spanner_ = 0;
+ if (p->finished_bracket_
+ && !p->finished_bracket_->is_live ())
+ p->finished_bracket_ = 0;
- if (p->name_ == String ("Sustain"))
- sustain = p->item_;
+ if (p->item_)
+ p->item_ = 0;
- if (p->item_)
- {
- /*
- Hmm.
- */
- if (p->name_ != String ("Sustain") && sustain)
- {
- Side_position_interface::add_support (p->item_,sustain);
- }
- typeset_grob (p->item_);
- p->item_ = 0;
- }
-
- if (p->finished_bracket_)
- {
- Grob * r = p->finished_bracket_->get_bound (RIGHT);
- if (!r)
- {
- p->finished_bracket_->set_bound (RIGHT, unsmob_grob (get_property ("currentMusicalColumn")));
- }
+ if (p->finished_bracket_)
+ {
+ Grob *r = p->finished_bracket_->get_bound (RIGHT);
+ if (!r)
+ p->finished_bracket_->set_bound (RIGHT, unsmob_grob (get_property ("currentMusicalColumn")));
- typeset_grob (p->finished_bracket_);
-
- p->finished_bracket_ =0;
- }
+ p->finished_bracket_ = 0;
+ }
- if (p->finished_line_spanner_)
+ if (p->finished_line_spanner_)
+ {
+ Grob *l = p->finished_line_spanner_->get_bound (LEFT);
+ Grob *r = p->finished_line_spanner_->get_bound (RIGHT);
+ if (!r && l)
+ p->finished_line_spanner_->set_bound (RIGHT, l);
+ else if (!l && r)
+ p->finished_line_spanner_->set_bound (LEFT, r);
+ else if (!r && !l)
{
- Grob * l = p->finished_line_spanner_->get_bound (LEFT);
- Grob * r = p->finished_line_spanner_->get_bound (RIGHT);
- if (!r && l)
- p->finished_line_spanner_->set_bound (RIGHT, l);
- else if (!l && r)
- p->finished_line_spanner_->set_bound (LEFT, r);
- else if (!r && !l)
- {
- Grob * cc = unsmob_grob (get_property ("currentMusicalColumn"));
- Item * ci = dynamic_cast<Item*> (cc);
- p->finished_line_spanner_->set_bound (RIGHT, ci);
- p->finished_line_spanner_->set_bound (LEFT, ci);
- }
- typeset_grob (p->finished_line_spanner_);
- p->finished_line_spanner_ = 0;
+ Grob *cc = unsmob_grob (get_property ("currentMusicalColumn"));
+ Item *ci = dynamic_cast<Item *> (cc);
+ p->finished_line_spanner_->set_bound (RIGHT, ci);
+ p->finished_line_spanner_->set_bound (LEFT, ci);
}
+
+ p->finished_line_spanner_ = 0;
}
}
-ENTER_DESCRIPTION (Piano_pedal_engraver,
-/* descr */ "Engrave piano pedal symbols and brackets.",
-/* creats*/ "SostenutoPedal SustainPedal UnaCordaPedal SostenutoPedalLineSpanner SustainPedalLineSpanner UnaCordaPedalLineSpanner",
-/* accepts */ "pedal-event",
-/* acks */ "note-column-interface",
-/* reads */ "currentCommandColumn "
- "pedalSostenutoStrings pedalSustainStrings "
- "pedalUnaCordaStrings pedalSostenutoStyle "
- "pedalSustainStyle pedalUnaCordaStyle",
-/* write */ "");
+#include "translator.icc"
+ADD_ACKNOWLEDGER (Piano_pedal_engraver, note_column);
+ADD_TRANSLATOR (Piano_pedal_engraver,
+ /* doc */ "Engrave piano pedal symbols and brackets.",
+ /* create */ "SostenutoPedal SustainPedal UnaCordaPedal SostenutoPedalLineSpanner SustainPedalLineSpanner UnaCordaPedalLineSpanner",
+ /* accept */ "pedal-event",
+ /* read */ "currentCommandColumn "
+ "pedalSostenutoStrings "
+ "pedalSustainStrings "
+ "pedalUnaCordaStrings "
+ "pedalSostenutoStyle "
+ "pedalSustainStyle "
+ "pedalUnaCordaStyle",
+ /* write */ "");
projects / lilypond.git / blobdiff