+
+
+
+/****************/
+
+class System_start_delimiter_engraver : public Engraver
+{
+public:
+ TRANSLATOR_DECLARATIONS (System_start_delimiter_engraver);
+
+protected:
+ Bracket_nesting_group *nesting_;
+
+ DECLARE_ACKNOWLEDGER (system_start_delimiter);
+ DECLARE_ACKNOWLEDGER (system_start_text);
+ DECLARE_ACKNOWLEDGER (staff_symbol);
+
+ void process_music ();
+ virtual void finalize ();
+};
+
+System_start_delimiter_engraver::System_start_delimiter_engraver ()
+{
+ nesting_ = 0;
+}
+
+void
+System_start_delimiter_engraver::process_music ()
+{
+ if (!nesting_)
+ {
+ nesting_ = new Bracket_nesting_group ();
+ SCM hierarchy = get_property ("systemStartDelimiterHierarchy");
+ SCM delimiter_name = get_property ("systemStartDelimiter");
+
+ nesting_->from_list (hierarchy);
+ nesting_->create_grobs (this, delimiter_name);
+ nesting_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn")));
+ }
+}
+
+void
+System_start_delimiter_engraver::finalize ()
+{
+ if (nesting_)
+ {
+ nesting_->set_bound (RIGHT,
+ unsmob_grob (get_property ("currentCommandColumn")));
+ nesting_->set_nesting_support (0);
+ }
+}
+
+void
+System_start_delimiter_engraver::acknowledge_staff_symbol (Grob_info inf)
+{
+ Grob *staff = inf.grob();
+ bool succ = nesting_->add_staff (staff);
+
+ if (!succ)
+ {
+ nesting_->children_.push_back (new Bracket_nesting_staff (0));
+ nesting_->add_staff (staff);
+ }
+}
+
+
+
+void
+System_start_delimiter_engraver::acknowledge_system_start_text (Grob_info inf)
+{
+ nesting_->add_support (inf.grob ());
+}
+
+void
+System_start_delimiter_engraver::acknowledge_system_start_delimiter (Grob_info inf)
+{
+ nesting_->add_support (inf.grob ());
+}
+
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (System_start_delimiter_engraver, staff_symbol);
+ADD_ACKNOWLEDGER (System_start_delimiter_engraver, system_start_delimiter);
+ADD_ACKNOWLEDGER (System_start_delimiter_engraver, system_start_text);
+
+ADD_TRANSLATOR (System_start_delimiter_engraver,
+ /* doc */ "Creates a system start delimiter (ie. SystemStart@{Bar, Brace, Bracket@} spanner",
+ /* create */ "SystemStartSquare "
+ "SystemStartBrace "
+ "SystemStartBracket "
+ "SystemStartBar",
+ /* read */
+ "systemStartDelimiter "
+ "systemStartDelimiterHierarchy "
+ "currentCommandColumn",
+
+ /* write */ "");