source file of the GNU LilyPond music typesetter
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2000--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
#include "system-start-delimiter.hh"
#include "engraver.hh"
#include "staff-symbol.hh"
class System_start_delimiter_engraver : public Engraver
{
public:
- VIRTUAL_COPY_CONS(Translator);
- System_start_delimiter_engraver();
+ TRANSLATOR_DECLARATIONS(System_start_delimiter_engraver);
protected:
Spanner * delim_;
- virtual void acknowledge_element (Score_element_info);
- virtual void do_creation_processing ();
- virtual void do_removal_processing ();
+ virtual void acknowledge_grob (Grob_info);
+ virtual void process_music ();
+ virtual void finalize ();
};
-ADD_THIS_TRANSLATOR(System_start_delimiter_engraver);
+
void
-System_start_delimiter_engraver::acknowledge_element (Score_element_info inf)
+System_start_delimiter_engraver::acknowledge_grob (Grob_info inf)
{
- if (Staff_symbol::has_interface (inf.elem_l_))
+ if (Staff_symbol::has_interface (inf.grob_))
{
/*
- don't add as Axis_group_interface::add_element (delim_, ),
+ don't add as Axis_group_interface::add_element (delim_,),
because that would set the parent as well */
- Pointer_group_interface (delim_).add_element (inf.elem_l_);
+ Pointer_group_interface::add_grob (delim_, ly_symbol2scm ("elements"), inf.grob_);
}
- else if (System_start_delimiter::has_interface (inf.elem_l_))
+ else if (System_start_delimiter::has_interface (inf.grob_))
{
- SCM gl = inf.elem_l_->get_elt_property ("glyph");
- SCM my_gl = delim_->get_elt_property ("glyph");
+ SCM gl = inf.grob_->get_grob_property ("glyph");
+ SCM my_gl = delim_->get_grob_property ("glyph");
/*
UGH UGH
*/
- if (gh_symbol_p (gl) && gl == ly_symbol2scm ("brace")
- && gh_symbol_p (my_gl) && my_gl == ly_symbol2scm ("bracket"))
- inf.elem_l_->translate_axis ( -paper_l ()->get_var ("staffspace"), X_AXIS); // ugh
+ if (gh_string_p (gl) && gh_equal_p (gl, scm_makfrom0str ("brace"))
+ && gh_string_p (my_gl) && gh_equal_p (my_gl, scm_makfrom0str ("bracket")))
+ inf.grob_->translate_axis (-0.8, X_AXIS); // ugh
+ else if (gh_string_p (gl) && gh_equal_p (gl, scm_makfrom0str ("bracket"))
+ && gh_string_p (my_gl) && gh_equal_p (my_gl, scm_makfrom0str ("bracket")))
+ {
+ inf.grob_->translate_axis ( -0.8, X_AXIS); // ugh
+ inf.grob_->set_grob_property ("arch-height",
+ gh_double2scm (gh_scm2double(inf.grob_->get_grob_property
+ ("arch-height"))+0.5));
+ }
}
-
}
-System_start_delimiter_engraver::System_start_delimiter_engraver()
+System_start_delimiter_engraver::System_start_delimiter_engraver ()
{
delim_ = 0;
}
void
-System_start_delimiter_engraver::do_creation_processing()
+System_start_delimiter_engraver::process_music ()
{
- delim_ = new Spanner (get_property ("SystemStartDelimiter"));
- System_start_delimiter::set_interface (delim_);
- delim_->set_bound (LEFT, unsmob_element (get_property ("currentCommandColumn")));
-
- /*
- You can't override the glyph using \property, you must do it in
- the predefined context (ie. \translator { ... } )
- */
- SCM s = get_property ("systemStartDelimiterGlyph");
- if (gh_symbol_p (s))
+ if (!delim_)
{
- delim_->set_elt_property ("glyph", s);
- }
+ SCM delim_name =get_property ("systemStartDelimiter");
+ delim_ = internal_make_spanner (delim_name);
- announce_element (delim_,0);
+ delim_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn")));
+ announce_grob (delim_, SCM_EOL);
+ }
}
-
void
-System_start_delimiter_engraver::do_removal_processing ()
+System_start_delimiter_engraver::finalize ()
{
- // ugh, should have naming without bracket
- SCM collapse = get_property ("bracketCollapseHeight");
- if (gh_number_p (collapse))
- delim_->set_elt_property ("collapse-height", collapse);
-
- delim_->set_bound (RIGHT, unsmob_element (get_property ("currentCommandColumn")));
- typeset_element (delim_);
+ if (delim_)
+ {
+ delim_->set_bound (RIGHT, unsmob_grob (get_property ("currentCommandColumn")));
+ typeset_grob (delim_);
+ }
}
+ENTER_DESCRIPTION(System_start_delimiter_engraver,
+/* descr */ "Creates a system start delimiter (ie. SystemStart@{Bar,Brace,Bracket@} spanner",
+/* creats*/ "SystemStartBar SystemStartBrace SystemStartBracket",
+/* accepts */ "",
+/* acks */ "system-start-delimiter-interface staff-symbol-interface",
+/* reads */ "systemStartDelimiter",
+/* write */ "");