Hack to make Time, Tempo, and Ruler sequences unjournaled to simplify session teardown.

Timeline/Audio_Sequence.H

@@ -25,23 +25,20 @@
 
 #include <FL/Fl_Input.H>
 
-class Audio_Sequence : public Sequence
+class Audio_Sequence : public Sequence, public Loggable
 {
 
 protected:
 
     virtual void get ( Log_Entry &e ) const
         {
-            Sequence::get( e );
-
             e.add( ":t", _track );
+            e.add( ":n", name() );
         }
 
     void
     set ( Log_Entry &e )
         {
-            Sequence::set( e );
-
             for ( int i = 0; i < e.size(); ++i )
             {
                 const char *s, *v;
@@ -58,6 +55,8 @@ protected:
 
                     t->track( this );
                 }
+                else if ( ! strcmp( ":n", s ) )
+                    name( strdup( v ) );
             }
         }
 

Timeline/Control_Sequence.C

@@ -62,16 +62,13 @@ Control_Sequence::init ( void )
 void
 Control_Sequence::get ( Log_Entry &e ) const
 {
-    Sequence::get( e );
-
     e.add( ":t", _track );
+    e.add( ":n", name() );
 }
 
 void
 Control_Sequence::set ( Log_Entry &e )
 {
-    Sequence::set( e );
-
     for ( int i = 0; i < e.size(); ++i )
     {
         const char *s, *v;
@@ -88,6 +85,9 @@ Control_Sequence::set ( Log_Entry &e )
 
             t->add( this );
         }
+        else if ( ! strcmp( ":n", s ) )
+            name( strdup( v ) );
+
     }
 }
 

Timeline/Control_Sequence.H

@@ -23,7 +23,7 @@
 #include "Control_Point.H"
 #include "Port.H"
 
-class Control_Sequence : public Sequence
+class Control_Sequence : public Sequence, public Loggable
 {
 public:
 

Timeline/Loggable.H

@@ -36,6 +36,25 @@ using namespace std;
 
 #include "debug.h"
 
+/* welcome to C++ */
+class Loggable_ID
+{
+
+protected:
+
+    int _id;
+
+public:
+
+    Loggable_ID ( ) : _id( 0 ) { }
+    virtual ~Loggable_ID ( ) { }
+
+    int id ( void ) { return _id; }
+
+    virtual const char *class_name ( void ) const = 0;
+
+};
+
 class Log_Entry;
 class Loggable;
 typedef Loggable *(create_func)(Log_Entry &);
@@ -59,7 +78,7 @@ typedef Loggable *(create_func)(Log_Entry &);
 
 
 class Logger;
-class Loggable
+class Loggable : public Loggable_ID
 {
 
     static FILE *_fp;
@@ -75,7 +94,6 @@ class Loggable
 
 private:
 
-    int _id;
 
     char **_old_state;
     char **_new_state;
@@ -194,9 +212,7 @@ protected:
 
 public:
 
-    virtual const char *class_name ( void ) const = 0;
+//    virtual const char *class_name ( void ) const = 0;
-
-    int id ( void ) { return _id; }
 
 
     friend class Logger;
@@ -340,7 +356,7 @@ public:
     ADD( nframes_t, "%lu", (unsigned long)v );
     ADD( unsigned long, "%lu", v );
     ADD( const char *, "\"%s\"", v ? v : "" );
-    ADD( Loggable *, "0x%X", v ? v->id() : 0 );
+    ADD( Loggable_ID *, "0x%X", v ? v->id() : 0 );
     ADD( float, "%f", v );
     ADD( double, "%f", v );
 

Timeline/Sequence.H

@@ -38,7 +38,7 @@ class Sequence_Widget;
 
 /* This is the base class for all track types. */
 
-class Sequence : public Fl_Widget, public Loggable
+class Sequence : public Fl_Widget, public Loggable_ID
 {
 
     static queue <Sequence_Widget *> _delete_queue;
@@ -53,43 +53,9 @@ protected:
     std::list <Sequence_Widget *> _widgets;
     Sequence_Widget *event_widget ( void );
 
-//    virtual const char *class_name ( void ) { return "Sequence"; }
-
-
-    virtual void set ( Log_Entry &e )
-        {
-            for ( int i = 0; i < e.size(); ++i )
-            {
-                const char *s, *v;
-
-                e.get( i, &s, &v );
-
-                if ( ! strcmp( ":n", s ) )
-                {
-                    name( strdup( v ) );
-                }
-            }
-        }
-
-    virtual void get ( Log_Entry &e ) const
-        {
-            e.add( ":n", name() );
-//            e.add( ":t", _track );
-
-/*             s += sprintf( s, ":items " ); */
-/*             for ( list <Sequence_Widget *>::const_iterator i = _widgets.begin(); i != _widgets.end(); i++ ) */
-/*             { */
-/*                 s += sprintf( s, "0x%X", ((Loggable*)(*i))->id() ); */
-
-/*                 list <Sequence_Widget *>::const_iterator e = i; */
-/*                 if ( ++e != _widgets.end() ) */
-/*                     s += sprintf( s, "," ); */
-/*             } */
-
-        }
-
 public:
 
+    /* welcome to C++ */
     LOG_NAME_FUNC( Sequence );
 
     Sequence ( int X, int Y, int W, int H, Track *track=0 );

Timeline/Timeline.C

@@ -331,6 +331,12 @@ Timeline::draw_measure ( nframes_t when, int Y, int W, int H, Fl_Color color, me
     if ( ! draw_with_measure_lines )
         return;
 
+    if ( ! tempo_track->_widgets.size() || ! time_track->_widgets.size() )
+    {
+        DWARNING( "No tempo/time points" );
+        return;
+    }
+
     fl_line_style( FL_DASH, 0 );
 
     const Fl_Color beat = fl_color_average( FL_BLACK, color, 0.65f );
@@ -367,6 +373,7 @@ Timeline::draw_measure ( nframes_t when, int Y, int W, int H, Fl_Color color, me
             break;
         }
 
+
     --tpi;
 
     /* start on the next beat */