#include "smobs.hh"
#include "dimension-cache.hh"
-typedef Interval (*Extent_callback)(Score_element const *,Axis);
-typedef Real (*Offset_callback)(Score_element const *,Axis);
-
-
/**
for administration of what was done already
*/
enum Score_element_status {
- ORPHAN=0, // not yet added to pstaff
- VIRGIN, // added to pstaff
+ ORPHAN=0, // not yet added to Paper_score
+ VIRGIN,
PRECALCING,
PRECALCED, // calcs before spacing done
POSTCALCING, // busy calculating. This is used to trap cyclic deps.
POSTCALCED, // after spacing calcs done
- BREWING,
- BREWED,
};
typedef void (Score_element::*Score_element_method_pointer) (void);
-/**
+/*
Basic output object.
-
- Element Properties:
-
- transparent -- boolean: if true, do not print anything black.
-
- dependencies -- list of score-element pointers that indicate who to
- compute first.
-
- interfaces -- list of symbols indicating the interfaces supported
- by this object.
-
- extra-offset -- pair of reals (a cons) forcing an extra offset
- before outputting
-
- glyph -- afm character name to output.
-
*/
class Score_element {
- /**
- The lookup, determined by the font size. Cache this value.
- */
- Lookup * lookup_l_;
public:
- /**
- 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_;
-
+ SCM immutable_property_alist_;
+ SCM mutable_property_alist_;
Score_element *original_l_;
/**
0 means ORPHAN,
*/
char status_i_;
- /**
- Set this if anyone points to me, or if I point to anyone.
-
- JUNKME.
- */
- bool used_b_;
-
- char const * name () const;
+ String name () const;
/*
IDEA: make this a global variable. This is the same for all
*/
Paper_score *pscore_l_;
- Score_element ();
+ Score_element (SCM basic_props);
Score_element (Score_element const&);
/*
properties
*/
- SCM get_elt_property (String nm) const;
- void set_elt_property (String, SCM val);
-
- /**
- UGH! JUNKME ?
-
- This gets messy because it changes state
-
- calling
-
- Bar::proc ()
- {
- s->remove_elt_property ("foo")
- }
-
- twice may do weird things if Bar::foo has a default set.
-
- */
- SCM remove_elt_property (String nm);
+ SCM get_elt_property (const char*) const;
+ SCM get_elt_property (SCM) const;
+ void set_elt_property (const char * , SCM val);
+ void set_immutable_elt_property (const char * , SCM val);
+ void set_immutable_elt_property (SCM key, SCM val);
+ void set_elt_property (SCM , SCM val);
+ void set_elt_pointer (const char*, SCM val);
+ friend class Property_engraver; // UGHUGHUGH.
+ SCM remove_elt_property (const char* nm);
/*
related classes.
*/
Paper_def *paper_l () const;
- Lookup const *lookup_l () const;
-
- void add_processing ();
/**
add a dependency. It may be the 0 pointer, in which case, it is ignored.
#funcptr# is the function to call to update this element.
*/
- void calculate_dependencies (int final, int busy, Score_element_method_pointer funcptr);
-
-
+ void calculate_dependencies (int final, int busy, SCM funcname);
static SCM handle_broken_smobs (SCM, SCM criterion);
virtual void do_break_processing ();
virtual Score_element *find_broken_piece (Line_of_score*) const;
- /// generate rods & springs
- virtual void do_space_processing ();
virtual void discretionary_processing ();
+ virtual SCM do_derived_mark ();
- /// do calculations before determining horizontal spacing
- virtual void before_line_breaking ();
- /// do calculations after determining horizontal spacing
- virtual void after_line_breaking ();
-
- Molecule get_molecule () const;
+ Molecule * get_molecule () const;
void suicide ();
- static Interval preset_extent (Score_element const*,Axis);
- static Interval point_dimension_callback (Score_element const*,Axis );
- static Interval molecule_extent (Score_element const*,Axis);
+ DECLARE_SCHEME_CALLBACK(preset_extent, (SCM smob, SCM axis));
+ DECLARE_SCHEME_CALLBACK(point_dimension_callback, (SCM smob, SCM axis));
+ DECLARE_SCHEME_CALLBACK(molecule_extent, (SCM smob, SCM axis));
-protected:
- /**
- Junk score element. This is protected because this is supposed to
- be handled by GUILE gc. */
- virtual ~Score_element ();
-
- /// generate the molecule
- virtual Molecule do_brew_molecule () const;
- ///executed directly after the item is added to the Paper_score
- virtual void do_add_processing ();
-
- static Interval dim_cache_callback (Dimension_cache const*);
-
-public:
static SCM ly_set_elt_property (SCM, SCM,SCM);
static SCM ly_get_elt_property (SCM, SCM);
+ bool has_interface (SCM intf);
+ void set_interface (SCM intf);
+
virtual void handle_broken_dependencies ();
virtual void handle_prebroken_dependencies ();
- DECLARE_SMOBS;
+ DECLARE_SMOBS(Score_element,foo);
void init ();
public:
bool empty_b (Axis a) const;
- Interval extent (Axis) const;
+
+ Interval extent (Score_element * refpoint, Axis) const;
/**
translate in one direction
Score_element*common_refpoint (Score_element const* s, Axis a) const;
Score_element*common_refpoint (SCM elt_list, Axis a) const;
- bool has_offset_callback_b (Offset_callback, Axis)const;
- void add_offset_callback (Offset_callback, Axis);
- bool has_extent_callback_b (Extent_callback, Axis)const;
- void set_extent_callback (Extent_callback , Axis);
+ // duh. slim down interface here. (todo)
+ bool has_offset_callback_b (SCM callback, Axis)const;
+ void add_offset_callback (SCM callback, Axis);
+ bool has_extent_callback_b (SCM, Axis)const;
+ void set_extent_callback (SCM , Axis);
+ bool has_extent_callback_b (Axis) const;
+
/**
Invoke callbacks to get offset relative to parent.
*/
void set_parent (Score_element* e, Axis);
Score_element *parent_l (Axis a) const;
- void fixup_refpoint ();
+ DECLARE_SCHEME_CALLBACK(fixup_refpoint, (SCM));
};
Score_element * unsmob_element (SCM);
-
-
#endif // STAFFELEM_HH
projects / lilypond.git / blobdiff