Actiavte compaction menu option.

Timeline/Loggable.C

@@ -333,7 +333,7 @@ Loggable::snapshot( const char *file )
 {
     FILE *ofp = _fp;
 
-    if ( ! ( _fp = fopen( file, "a" ) ) )
+    if ( ! ( _fp = fopen( file, "w" ) ) )
     {
         _fp = ofp;
         return false;
@@ -352,6 +352,24 @@ Loggable::snapshot( const char *file )
     return true;
 }
 
+void
+Loggable::compact ( void )
+{
+    fclose( _fp );
+    _fp = NULL;
+
+    /* FIXME: don't use name here */
+    snapshot( "history" );
+
+    if ( ! ( _fp = fopen( "history", "a+" ) ) )
+    {
+        printf( "Could not open log file for writing!" );
+//        return false;
+    }
+}
+
+
+
 void
 Loggable::log ( const char *fmt, ... )
 {

Timeline/Loggable.H

@@ -95,6 +95,7 @@ public:
     static void undo ( void );
     static int undo_index ( void ) { return _undo_index; }
     static bool snapshot( const char *file );
+    static void compact( void );
 
     static
     void

Timeline/TLE.fl

@@ -10,6 +10,8 @@ decl {\#include "Engine.H"} {}
 
 decl {\#include "Transport.H"} {} 
 
+decl {\#include "Loggable.H"} {} 
+
 decl {\#include "Clock.H"} {public
 } 
 
@@ -17,6 +19,8 @@ decl {\#include "Waveform.H" // for options} {}
 
 decl {\#include "Control_Sequence.H" // for options} {} 
 
+decl {\#include <FL/fl_ask.H>} {} 
+
 decl {\#include <FL/Fl.H>} {} 
 
 class TLE {open
@@ -44,7 +48,7 @@ Fl::add_timeout( STATUS_UPDATE_FREQ, update_cb, this );} {}
   } {
     Fl_Window main_window {
       label {Non-DAW - Timeline} open
-      xywh {483 100 1024 768} type Double resizable xclass {Non-DAW} visible
+      xywh {581 446 1024 768} type Double resizable xclass {Non-DAW} visible
     } {
       Fl_Group {} {open
         xywh {0 0 1024 25}
@@ -66,6 +70,12 @@ Fl::add_timeout( STATUS_UPDATE_FREQ, update_cb, this );} {}
           }
           MenuItem {} {
             label {&Compact}
+            callback {int n = fl_choice( "Compacting will replace the session history with a snapshot of the current state.\\n You will not be able to use Undo to go back beyond this point.\\n This operation is irreversible!", NULL, "Abort", "Procede with compaction" );
+
+if ( n != 2 )
+	return;
+	
+Loggable::compact();} selected
             xywh {20 20 40 25}
           }
           Submenu {} {
@@ -253,7 +263,7 @@ timeline->redraw();}
               }
             }
             Submenu {} {
-              label {C&olors} open selected
+              label {C&olors} open
               xywh {0 0 74 25}
             } {
               MenuItem {} {

Timeline/Timeline.C

@@ -766,11 +766,11 @@ Timeline::handle ( int m )
 
                             Track *t = new Track( name );
 
-                            add_track( t );
-
                             Sequence *o = new Audio_Sequence( t );
                             new Control_Sequence( t );
 
+                            add_track( t );
+
                             t->track( o );
 
 /*                             t->add( new Control_Sequence( t  ); */
@@ -966,12 +966,16 @@ Timeline::total_input_buffer_percent ( void )
         }
     }
 
+    if ( ! cnt )
+        return 0;
+
     return r / cnt;
 }
 
 int
 Timeline::total_output_buffer_percent ( void )
 {
+
     int r = 0;
 
     int cnt = 0;
@@ -987,5 +991,8 @@ Timeline::total_output_buffer_percent ( void )
         }
     }
 
+    if ( ! cnt )
+        return 0;
+
     return r / cnt;
 }

Timeline/Track.H

@@ -143,9 +143,15 @@ public:
                     {
                         Sequence *t = (Sequence*)Loggable::find( i );
 
-                        assert( t );
+                        /* FIXME: our track might not have been
+                         * defined yet... what should we do about this
+                         * chicken/egg problem? */
+                        if ( t )
+                        {
+//                        assert( t );
 
-                        track( t );
+                            track( t );
+                        }
                     }
                 }
             }