/*
- score-element.hh -- part of GNU LilyPond
+ score-element.hh -- declare Score_element
- (c) 1996,97 Han-Wen Nienhuys
+ (c) 1996-1999 Han-Wen Nienhuys
*/
#ifndef STAFFELEM_HH
#include "parray.hh"
#include "virtual-methods.hh"
-#include "directed-graph.hh"
#include "graphical-element.hh"
-
+#include "lily-guile.hh"
typedef void (Score_element::*Score_element_method_pointer) (void);
which are implemented in the Directed_graph_node class: all elements
form an acyclic graph.
- (elem) */
-class Score_element : private Directed_graph_node, public virtual Graphical_element {
+ (elem)
+
+
+Element Properties:
+
+Boolean (true iff defined)
+
+ break_helper_only -- if defined try to junk this after calcing breakpoints.
+
+ transparent -- do not calc. output
+
+*/
+class Score_element : public virtual Graphical_element {
+
+ friend class Paper_score;
+ /**
+ properties specific for this element. Destructor will not call
+ scm_unprotect, so as to allow more flexible GC arrangements. The
+ real alist is in (cdr element_property_alist_), to reduce the
+ need for more scm_protect calls.
+
+ */
+ SCM element_property_alist_;
+ Link_array<Score_element> dependency_arr_;
+ /**
+ The lookup, determined by the font size. Cache this value.
+ */
+ Lookup * lookup_l_;
public:
- Paper_score *pscore_l_;
+ Score_element *original_l_;
+
+ /**
+ Administration: Where are we?. This is mainly used by Super_element and
+ Score_element::calcalute_dependencies ()
+
+ 0 means ORPHAN,
+ -1 means deleted
+
+ */
+ int status_i_;
+ Paper_score *pscore_l_;
+ Molecule * output_p_;
Score_element ();
Score_element (Score_element const&);
virtual void print () const;
-
- Paper_def *paper () const;
+
+ /*
+ properties
+ */
+ SCM get_elt_property (SCM sym) const;
+ void set_elt_property (SCM sym, SCM val);
+ SCM remove_elt_property (SCM key);
+
+ /*
+ related classes.
+ */
+ Paper_def *paper_l () const;
Lookup const *lookup_l () const;
virtual ~Score_element ();
-
-
void add_processing ();
- /**
- Remove all links (dependencies, dependents, Axis_group_elements.
- */
- void unlink ();
void substitute_dependency (Score_element*,Score_element*);
void remove_dependency (Score_element*);
/**
add a dependency. It may be the 0 pointer, in which case, it is ignored.
*/
void add_dependency (Score_element*);
-
virtual Line_of_score * line_l () const;
- virtual bool linked_b () const;
+ bool linked_b () const;
VIRTUAL_COPY_CONS(Score_element);
- /// do not print anything black
- bool transparent_b_;
+ /**
+ Recursively track all dependencies of this Score_element. The
+ status_i_ field is used as a mark-field. It is marked with
+ #busy# during execution of this function, and marked with #final#
+ when finished.
- int size_i_;
-
- // ugh: no protection. Denk na, Vrij Veilig
+ #funcptr# is the function to call to update this element.
+ */
void calculate_dependencies (int final, int busy, Score_element_method_pointer funcptr);
-protected:
- /**
- Administration: Where are we?. This is mainly used by Super_element and
- Score_element::calcalute_dependencies ()
- 0 means ORPHAN,
- -1 means deleted
-
- */
-public:
- int status_i_;
+ virtual Score_element *find_broken_piece (Line_of_score*) const;
protected:
Score_element* dependency (int) const;
- Score_element* dependent (int) const;
- int dependent_size () const;
int dependency_size () const;
- virtual void do_brew_molecule ();
- void junk_links ();
+ virtual void output_processing ();
virtual Interval do_height () const;
virtual Interval do_width () const;
-
+
+
/// do printing of derived info.
- virtual void do_print () const {}
+ virtual void do_print () const;
/// generate the molecule
- virtual Molecule* brew_molecule_p () const;
+ virtual Molecule* do_brew_molecule_p () const;
///executed directly after the item is added to the Paper_score
virtual void do_add_processing ();
/// do calculations before determining horizontal spacing
/// generate rods & springs
virtual void do_space_processing ();
+ /// do postbreak substs on array of pointers.
+ virtual void do_substitute_arrays ();
+
virtual void do_breakable_col_processing ();
/// do calculations after determining horizontal spacing
virtual void do_post_processing ();
- virtual void do_substitute_dependency (Score_element * , Score_element *);
- virtual void do_substitute_dependent (Score_element *, Score_element *);
+ virtual void do_substitute_element_pointer (Score_element * , Score_element *);
virtual void do_break_processing ();
virtual void handle_broken_dependencies ();
virtual void handle_prebroken_dependencies ();
+ virtual void handle_prebroken_dependents ();
+ virtual void handle_broken_dependents ();
virtual Link_array<Score_element> get_extra_dependencies () const;
- virtual void do_unlink ();
- virtual void do_junk_links ();
-
+
+ static Interval dim_cache_callback (Dimension_cache*);
};
+template<class T>
+void
+substitute_element_array (Link_array<T> &arr, Line_of_score * to)
+{
+ Link_array<T> newarr;
+ for (int i =0; i < arr.size (); i++)
+ {
+ T * t = arr[i];
+ if (t->line_l () != to)
+ {
+ t = dynamic_cast<T*> (t->find_broken_piece (to));
+ }
+
+ if (t)
+ newarr.push (t);
+ }
+ arr = newarr;
+}
+
+
+
#endif // STAFFELEM_HH