X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fbar-engraver.cc;h=a70b89db352289ecb2c0d6b22417b4ead155e1b6;hb=e7d84e6728ecfdf74d8f214486a29c2aca199819;hp=e38ad23499bbc842f100535a1ad7105752756e7a;hpb=d6048913c2c793a6298a3e16a1a25c76711463b1;p=lilypond.git

diff --git a/lily/bar-engraver.cc b/lily/bar-engraver.cc
index e38ad23499..a70b89db35 100644
--- a/lily/bar-engraver.cc
+++ b/lily/bar-engraver.cc
@@ -3,17 +3,19 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997, 1998, 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
+#include "score-engraver.hh"
 #include "bar-engraver.hh"
 #include "staff-bar.hh"
 #include "musical-request.hh"
 #include "multi-measure-rest.hh"
 #include "command-request.hh"
-#include "time-description.hh"
-#include "engraver-group.hh"
+#include "timing-engraver.hh"
+#include "engraver-group-engraver.hh"
+#include "warn.hh"
 
 Bar_engraver::Bar_engraver()
 {
@@ -21,74 +23,63 @@ Bar_engraver::Bar_engraver()
   do_post_move_processing();
 }
 
-bool
-Bar_engraver::do_try_music (Music*r_l)
-{
-  if (Bar_req  * b= dynamic_cast <Bar_req *> (r_l))
-    {
-      if (bar_req_l_ && bar_req_l_->equal_b (b)) // huh?
-	return false;
-      
-      bar_req_l_ = b;
-      return true;
-    }
-  
-  return false;
-
-}
-
-
-
 void
 Bar_engraver::create_bar ()
 {
   if (!bar_p_)
     {
       bar_p_ = new Staff_bar;
-      bar_p_->set_elt_property (break_priority_scm_sym, gh_int2scm (0));
-
+      bar_p_->property_alist_ = get_property ("basicBarlineProperties");
+      
       // urg: "" != empty...
-      String default_type = get_property ("defaultBarType", 0);
-      if (default_type.length_i ())
-	{
-	  bar_p_->type_str_ = default_type;
-	}
-
       /*
-	urg.  Why did I implement this?
+	TODO: use symbol.
        */
-      Scalar prop = get_property ("barAtLineStart", 0);
-      if (prop.to_bool ())
+      SCM default_type = get_property ("defaultBarType");
+      if (gh_string_p (default_type))
 	{
-	  bar_p_->set_elt_property (at_line_start_scm_sym, SCM_BOOL_T);
+	  bar_p_->set_elt_property ("glyph", default_type); // ugh
 	}
-      announce_element (Score_element_info (bar_p_, bar_req_l_));
+
+      announce_element (Score_element_info (bar_p_, 0));
     }
 }
 
+/**
+   Make a barline.  If there are both |: and :| requested, merge them
+   to :|:.
+
+*/
 void
-Bar_engraver::request_bar (String type_str)
+Bar_engraver::request_bar (String requested_type)
 {
-  Scalar prop = get_property ("barAtLineStart", 0);
   if (!now_mom ())
     {
-      Scalar prop = get_property ("barAtLineStart", 0);
-      if (!prop.to_bool ())
+      SCM prop = get_property ("barAtLineStart");
+      if (!to_boolean (prop))
 	return;
     }
+  bool  bar_existed = bar_p_;
   create_bar ();
-  if (((type_str == "|:") && (bar_p_->type_str_ == ":|"))
-    || ((type_str == ":|") && (bar_p_->type_str_ == "|:")))
-    bar_p_->type_str_ = ":|:";
-  else
-    bar_p_->type_str_ = type_str;
+  if (bar_existed && requested_type == "")
+    {
+      return;
+    }
+
+  String current = ly_scm2string (bar_p_->get_elt_property ("glyph"));
+  
+  if ((requested_type == "|:" && current== ":|")
+    || (requested_type == ":|" && current == "|:"))
+    requested_type = ":|:";
+
+  
+  bar_p_->set_elt_property ("glyph",
+			    ly_str02scm (requested_type.ch_C ()));
 }
 
 void 
 Bar_engraver::do_creation_processing ()
 {
-  create_bar ();
-  bar_p_->type_str_ = "";
 }
 
 void
@@ -102,35 +93,32 @@ Bar_engraver::do_removal_processing ()
 }
 
 void
-Bar_engraver::do_process_requests()
+Bar_engraver::do_process_music()
 {  
-  Time_description const *time = get_staff_info().time_C_;
-  if (bar_req_l_) 
-    {
-      create_bar ();    
-      bar_p_->type_str_ = bar_req_l_->type_str_;
-    }
-  else if (!now_mom ())
-    {
-      create_bar ();
-      bar_p_->type_str_ = "|";
-    }
-  else 
+  Translator * t = daddy_grav_l  ()->get_simple_translator ("Timing_engraver");
+
+  Timing_engraver * te = dynamic_cast<Timing_engraver*>(t);
+  String which = (te) ? te->which_bar () : "";
+
+  if (which.length_i ())
     {
-      Scalar nonauto = get_property ("barNonAuto", 0);
-      if (!nonauto.to_bool ())
-	{
-	  Scalar always = get_property ("barAlways", 0);
-	  if ((time && !time->whole_in_measure_) || always.to_bool ())
-	    create_bar ();
-	}
+      create_bar();
+      bar_p_->set_elt_property ("glyph",  ly_str02scm (which.ch_C ()));
     }
   
   if (!bar_p_)
     {
-      Break_req r;
-      r.penalty_i_ = Break_req::DISALLOW;
-      daddy_grav_l ()->try_music (&r);
+      Score_engraver * e = 0;
+      Translator * t  =  daddy_grav_l ();
+      for (; !e && t;  t = t->daddy_trans_l_)
+	{
+	  e = dynamic_cast<Score_engraver*> (t);
+	}
+      
+      if (!e)
+	programming_error ("No score engraver!");
+      else
+	e->forbid_breaks ();
     }
 }
 
@@ -145,14 +133,7 @@ Bar_engraver::do_pre_move_processing()
     }
 }
 
-void
-Bar_engraver::do_post_move_processing()
-{
-  bar_req_l_ = 0;
-}
-
-
-
 ADD_THIS_TRANSLATOR(Bar_engraver);
 
 
+