diff --git a/Makefile b/Makefile
index c9c2461..8e20835 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,6 @@ LIBS := -lsndfile  `fltk-config --ldflags`
 all: all
 
 %:
-	@ make -s -C FL CXXFLAGS="$(CXXFLAGS)" LIBS="$(LIBS)" $@
-	@ make -s -C Timeline CXXFLAGS="$(CXXFLAGS)" LIBS="$(LIBS)" $@
-	@ make -s -C Mixer CXXFLAGS="$(CXXFLAGS)" LIBS="$(LIBS)" $@
+	@ $(MAKE) -s -C FL CXXFLAGS="$(CXXFLAGS)" LIBS="$(LIBS)" $@
+	@ $(MAKE) -s -C Timeline CXXFLAGS="$(CXXFLAGS)" LIBS="$(LIBS)" $@
+	@ $(MAKE) -s -C Mixer CXXFLAGS="$(CXXFLAGS)" LIBS="$(LIBS)" $@
diff --git a/Timeline/Region.H b/Timeline/Region.H
index 82d7074..58cb656 100644
--- a/Timeline/Region.H
+++ b/Timeline/Region.H
@@ -16,46 +16,32 @@
 /* with This program; see the file COPYING.  If not,write to the Free Software */
 /* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 /*******************************************************************************/
-
 #pragma once
 
-// class Track;
-
-// #include "Waveform.H"
-
 #include "Audio_File.H"
 #include "Track.H"
 #include "Timeline.H"
 
-#include <algorithm>
-using namespace std;
 /* Regions are "virtual" FLTK widgets; this is necessary because the
  * dimensions of real FLTK widgets are limited to 16-bits, which is
  * far too little for our purposes */
 
 #include "Track_Widget.H"
-
 #include "Loggable.H"
 
-/* got I hate C++ */
-#define __CLASS__ "Region"
+class Region;
 
-class Region : public Track_Widget
+/* Base for engine. Just to maintain state. Must be free of FLTK
+ * stuff */
+class Region_Base : public Track_Widget
 {
 
+private:
+
     Audio_File *_clip;                                          /* clip this region represents */
 
     float _scale;                                               /* amplitude adjustment */
 
-    static Fl_Boxtype _box;
-    static Fl_Color _selection_color;
-    static Fl_Color selection_color ( void ) { return _selection_color; }
-    static void selection_color ( Fl_Color v ) { _selection_color = v; }
-
-    enum trim_e { NO, LEFT, RIGHT };
-    void trim ( enum trim_e t, int X );
-    void init ( void );
-
 protected:
 
     const char *class_name ( void ) { return "Region"; }
@@ -130,15 +116,55 @@ protected:
                     t->add( this );
                 }
 
-
                 free( s );
             }
 
             free( sa );
 
+#ifndef ENGINE
             if ( _track )
                 _track->redraw();
+#endif
+        }
+
+public:
+
+    Region_Base ( )
+        {
+            _start = _offset = _end = 0;
+            _clip = NULL;
+            _scale = 1.0f;
+        }
+
+#ifdef ENGINE
+    /* for loggable */
+    static Loggable *
+    create ( char **sa )
+        {
+            Region_Base *r = new Region_Base;
+
+            r->set( sa );
+
+            return (Loggable *)r;
         }
+#else
+    friend class Region;
+#endif
+
+};
+
+#ifndef ENGINE
+class Region : public Region_Base
+{
+
+    static Fl_Boxtype _box;
+    static Fl_Color _selection_color;
+    static Fl_Color selection_color ( void ) { return _selection_color; }
+    static void selection_color ( Fl_Color v ) { _selection_color = v; }
+
+    enum trim_e { NO, LEFT, RIGHT };
+    void trim ( enum trim_e t, int X );
+    void init ( void );
 
     Region ( )
         {
@@ -149,7 +175,6 @@ protected:
 
 public:
 
-    /* for loggable */
     static Loggable *
     create ( char **sa )
         {
@@ -160,7 +185,6 @@ public:
             return (Loggable *)r;
         }
 
-
     ~Region ( )
         {
             log_destroy();
@@ -183,5 +207,4 @@ public:
     void dump ( void );
 
 };
-
-#undef __CLASS__
+#endif
diff --git a/Timeline/Waveform.C b/Timeline/Waveform.C
index 6177009..db7674f 100644
--- a/Timeline/Waveform.C
+++ b/Timeline/Waveform.C
@@ -39,6 +39,8 @@ bool Waveform::logarithmic = true;
 /* TODO: split the variations into separate functions. eg, plain,
  * outlined, filled, polygonal, rectified. */
 
+/* TODO: this should be made completely independent of /timeline/ so that it can be used for other purposes (file previews) */
+
 /** draw a portion of /clip/'s waveform. coordinates are the portion to draw  */
 void
 Waveform::draw ( int ox, int X, int Y, int W, int H, Audio_File *_clip, int channel, float fpp, nframes_t _start, nframes_t _end, float _scale, Fl_Color color )