More tweaking.

Peaks.C

@@ -70,8 +70,16 @@ Peaks::operator[] ( int X ) const
     /* Is there a better way to return this?  */
     static Peak p;
 
-    int start = X * timeline.fpp;
-    int end = (X + 1) * timeline.fpp;
+    if ( timeline.fpp < _peaks->chunksize )
+    {
+        printf( "we need to a smaller chunksize! examine the source!\n" );
+    }
+
+    int start = timeline.x_to_ts( X ) / _peaks->chunksize;
+    int end   = timeline.x_to_ts( X + 1 ) / _peaks->chunksize;
+
+/*     int start = X * timeline.fpp; */
+/*     int end = (X + 1) * timeline.fpp; */
 
     downsample( start, end, &p.max, &p.min );
 

Region.C

@@ -71,14 +71,25 @@ Region::trim ( enum trim_e t, int X )
         case LEFT:
         {
             int d = X - x();
-            _start += d;
+//            _start += d;
+            if ( d < 0 &&
+                 _start < timeline.x_to_ts( x() + d ) )
+            {
+                _start = 0;
+                break;
+            }
+            else
+                _start = timeline.x_to_ts( x() + d );
+//                _start += timeline.x_to_ts( d );
+
             resize( x() + d, y(), w() - d, h() );
             break;
         }
         case RIGHT:
         {
             int d = (x() + w()) - X;
-            _end = _start + w() - d;
+//            _end = _start + w() - d;
+            _end = timeline.x_to_ts( _start + w() - d );
             resize( x(), y(), w() - d, h() );
             break;
         }
@@ -204,6 +215,8 @@ Region::handle ( int m )
                 timeline.scroll->position( pos, timeline.scroll->yposition() );
             }
 
+            _offset = timeline.x_to_ts( x() );
+
             return 1;
         default:
             return 0;

Region.H

@@ -28,6 +28,8 @@ class Region : public Waveform
 
     Track *_track;
 
+    nframes_t _offset;
+
     enum trim_e { NO, LEFT, RIGHT };
 
     void trim ( enum trim_e t, int X );

Waveform.C

@@ -77,12 +77,13 @@ Waveform::draw ( int X, int Y, int W, int H )
 
 //    int start = (_start + (X - x())) * 2;
 
-    j = 0;
-    for ( int x = X; x < X + W; ++x )
-    {
+    int start = timeline.ts_to_x( _start ) + (X - x() );
 
+    j = start;
+    for ( int x = X; x < X + W; ++x, ++j )
+    {
 //        read_peaks( x, &hi, &lo );
-        Peak p = (*_clip->peaks())[  x ];
+        Peak p = (*_clip->peaks())[ j ];
 
         int mid = Y + (H / 2);
 
@@ -107,9 +108,10 @@ Waveform::draw ( int X, int Y, int W, int H )
 
     fl_begin_line();
 
-    for ( int x = X; x < X + W; ++x )
+    j = start;
+    for ( int x = X; x < X + W; ++x, ++j )
     {
-        Peak p = (*_clip->peaks())[ x ];
+        Peak p = (*_clip->peaks())[ j ];
 
         p.min *= _scale;
 
@@ -120,9 +122,10 @@ Waveform::draw ( int X, int Y, int W, int H )
 
     fl_begin_line();
 
-    for ( int x = X; x < X + W; ++x )
+    j = start;
+    for ( int x = X; x < X + W; ++x, ++j )
     {
-        Peak p = (*_clip->peaks())[ x ];
+        Peak p = (*_clip->peaks())[ j ];
 
         p.max *= _scale;
 

main.C

@@ -122,8 +122,8 @@ main ( int argc, char **argv )
     Fl_Slider *zoom_slider = new Fl_Slider( 0, 0, 800, 24 );
     zoom_slider->type( 1 );
     zoom_slider->callback( cb_zoom, 0 );
-    zoom_slider->range( 1, 256 );
-    zoom_slider->value( 1 );
+    zoom_slider->range( 1, 256 * 256 );
+    zoom_slider->value( 256 );
 
     main_window->end();
     main_window->show();