source file of the GNU LilyPond music typesetter
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "paper-column.hh"
return new Paper_column (*this, count);
}
-ADD_INTERFACE (Paper_column, "paper-column-interface",
- "@code{Paper_column} objects form the top-most X-parents for items."
- " The are two types of columns: musical columns, where are attached to, and "
- " non-musical columns, where bar-lines, clefs etc. are attached to. "
- " The spacing engine determines the X-positions of these objects."
-
- "\n\n"
- "They are\n"
- " numbered, the first (leftmost) is column 0. Numbering happens before\n"
- " line-breaking, and columns are not renumbered after line breaking.\n"
- " Since many columns go unused, you should only use the rank field to\n"
- " get ordering information. Two adjacent columns may have\n"
- " non-adjacent numbers.\n",
-
-
- "between-cols "
- "bounded-by-me "
- "page-penalty "
- "shortest-playing-duration "
- "shortest-starter-duration "
- "when ");
-
void
Paper_column::do_break_processing ()
{
return system_;
}
+void
+Paper_column::set_system (System *s)
+{
+ system_ = s;
+}
+
Paper_column *
Paper_column::get_column () const
{
rank_ = src.rank_;
}
+int
+Paper_column::compare (Grob * const &a,
+ Grob * const &b)
+{
+ return sign (dynamic_cast<Paper_column*> (a)->rank_
+ - dynamic_cast<Paper_column*> (b)->rank_);
+}
+
+bool
+Paper_column::less_than (Grob *const &a,
+ Grob *const &b)
+{
+ Paper_column *pa = dynamic_cast<Paper_column*> (a);
+ Paper_column *pb = dynamic_cast<Paper_column*> (b);
+
+ return pa->rank_ < pb->rank_;
+}
+
Moment
Paper_column::when_mom (Grob *me)
{
if (bbm.size ())
return true;
- return Item::is_breakable (me);
+ if (Paper_column::is_breakable (me))
+ return true;
+
+ if (to_boolean (me->get_property ("used")))
+ return true;
+ return false;
+}
+
+bool
+Paper_column::is_breakable (Grob *me)
+{
+ return scm_is_symbol (me->get_property ("line-break-permission"));
}
/*
{
Grob *me = unsmob_grob (p);
- String r = to_string (Paper_column::get_rank (me));
+ string r = to_string (Paper_column::get_rank (me));
Moment *mom = unsmob_moment (me->get_property ("when"));
- String when = mom ? mom->to_string () : "?/?";
+ string when = mom ? mom->to_string () : "?/?";
SCM properties = Font_interface::text_font_alist_chain (me);
- SCM scm_mol = Text_interface::interpret_markup (me->get_layout ()->self_scm (),
+ SCM scm_mol = Text_interface::interpret_markup (me->layout ()->self_scm (),
properties,
- scm_makfrom0str (r.to_str0 ()));
- SCM when_mol = Text_interface::interpret_markup (me->get_layout ()->self_scm (),
+ scm_makfrom0str (r.c_str ()));
+ SCM when_mol = Text_interface::interpret_markup (me->layout ()->self_scm (),
properties,
- scm_makfrom0str (when.to_str0 ()));
+ scm_makfrom0str (when.c_str ()));
Stencil t = *unsmob_stencil (scm_mol);
t.add_at_edge (Y_AXIS, DOWN, *unsmob_stencil (when_mol), 0.1, 0.1);
t.align_to (X_AXIS, CENTER);
if (!ga)
return SCM_UNSPECIFIED;
- Link_array<Grob> &array (ga->array_reference ());
+ vector<Grob*> &array (ga->array_reference ());
- for (int i = array.size (); i--;)
+ for (vsize i = array.size (); i--;)
{
Grob *g = array[i];
if (!g || !g->is_live ())
- { // UGH . potentially quadratic.
- array.del (i);
- }
+ /* UGH . potentially quadratic. */
+ array.erase (array.begin () + i);
}
return SCM_UNSPECIFIED;
}
+
+
+ADD_INTERFACE (Paper_column,
+ "@code{Paper_column} objects form the top-most X-parents for items."
+ " The are two types of columns: musical columns, where are attached to, and "
+ " non-musical columns, where bar-lines, clefs etc. are attached to. "
+ " The spacing engine determines the X-positions of these objects."
+
+ "\n\n"
+ "They are\n"
+ " numbered, the first (leftmost) is column 0. Numbering happens before\n"
+ " line-breaking, and columns are not renumbered after line breaking.\n"
+ " Since many columns go unused, you should only use the rank field to\n"
+ " get ordering information. Two adjacent columns may have\n"
+ " non-adjacent numbers.\n",
+
+
+ /* properties */
+ "between-cols "
+ "bounded-by-me "
+ "grace-spacing "
+ "line-break-system-details "
+ "line-break-penalty "
+ "line-break-permission "
+ "page-break-penalty "
+ "page-break-permission "
+ "page-turn-penalty "
+ "page-turn-permission "
+ "rhythmic-location "
+ "shortest-playing-duration "
+ "shortest-starter-duration "
+ "spacing "
+ "used "
+ "when ");
+