Make trimming work.

Region.C

@@ -71,55 +71,48 @@ Region::Region ( Clip *c )
 }
 
 
+void
+Region::trim ( enum trim_e t, int X )
+{
+    switch ( t )
+    {
+        case LEFT:
+        {
+            int d = X - x();
 
-/* void */
-/* Region::trim ( enum trim_e t, int X ) */
-/* { */
-/*     switch ( t ) */
-/*     { */
-/*         case LEFT: */
-/*         { */
-/*             int d = X - x(); */
-
-/*             long td = timeline.x_to_ts( d ); */
-
-/*             if ( td < 0 && _start < 0 - td ) */
-/*                 td = 0 - _start; */
-
-/*             _start += td; */
-
-/*             _offset += td; */
+            long td = timeline.x_to_ts( d );
 
-/*             resize(); */
-/* //            Fl_Widget::resize( x() + d, y(), w() - d, h() ); */
+            if ( td < 0 && _start < 0 - td )
+                td = 0 - _start;
 
-/* //            _offset = timeline.x_to_ts( x() ); */
+            _start += td;
 
-/*             break; */
-/*         } */
-/*         case RIGHT: */
-/*         { */
-/*             int d = (x() + w()) - X; */
-/*             long td = timeline.x_to_ts( d ); */
+            _offset += td;
 
-/*             _end -= td; */
+//            resize();
+            break;
+        }
+        case RIGHT:
+        {
+            int d = (x() + w()) - X;
+            long td = timeline.x_to_ts( d );
 
-/*             resize(); */
+            _end -= td;
 
-/* //            _end = _start + timeline.x_to_ts( w() - d ); */
+//            resize();
 
-/* //            Fl_Widget::resize( x(), y(), w() - d, h() ); */
-/*             break; */
-/*         } */
-/*         default: */
-/*             return; */
+            break;
+        }
+        default:
+            return;
 
-/*     } */
+    }
 
-/*     redraw(); */
-/*     parent()->redraw(); */
+    _track->redraw();
+//    redraw();
+//    parent()->redraw();
 
-/* } */
+}
 
 int
 Region::handle ( int m )
@@ -144,13 +137,12 @@ Region::handle ( int m )
             {
                 switch ( Fl::event_button() )
                 {
-
-/*                     case 1: */
-/*                         trim( trimming = LEFT, X ); */
-/*                         break; */
-/*                     case 3: */
-/*                         trim( trimming = RIGHT, X ); */
-/*                         break; */
+                    case 1:
+                        trim( trimming = LEFT, X );
+                        break;
+                    case 3:
+                        trim( trimming = RIGHT, X );
+                        break;
 
                     default:
                         return 0;
@@ -202,14 +194,14 @@ Region::handle ( int m )
                 return 1;
             }
 
-/*             if ( Fl::event_state() & FL_SHIFT ) */
-/*                 if ( trimming ) */
-/*                 { */
-/*                     trim( trimming, X ); */
-/*                     return 1; */
-/*                 } */
-/*                 else */
-/*                     return 0; */
+            if ( Fl::event_state() & FL_SHIFT )
+                if ( trimming )
+                {
+                    trim( trimming, X );
+                    return 1;
+                }
+                else
+                    return 0;
 
             if ( Fl::event_state() & FL_CTRL )
             {

Region.H

@@ -51,7 +51,8 @@ public:
 
     int y ( void ) { return _track->y(); }
     int h ( void ) { return _track->h(); }
-    int x ( void ) { return timeline.ts_to_x( _offset ) - timeline.xoffset; }
+    int x ( void ) { return _track->x() + timeline.ts_to_x( _offset - timeline.xoffset ); }
+    int w ( void ) { return timeline.ts_to_x( _end - _start ); }
 
     int handle ( int m );
     void draw ( int X, int Y, int W, int H );

main.C

@@ -78,10 +78,12 @@ cb_zoom ( Fl_Widget *w, void *v )
 void
 cb_scroll ( Fl_Widget *w, void *v )
 {
-    timeline.xoffset = ((Fl_Scrollbar*)w)->value();
-    timeline.tracks->redraw();
-
+    timeline.xoffset = ((Fl_Slider*)w)->value();
+    //  timeline.tracks->redraw();
     timeline.scroll->redraw();
+
+    printf( "%lu\n", timeline.xoffset );
+
 /*     for ( int i = timeline.tracks->children(); i-- ; ) */
 /*     { */
 /*         Fl_Group *track = (Fl_Group*)timeline.tracks->child( i ); */
@@ -176,7 +178,7 @@ main ( int argc, char **argv )
     zoom_slider->value( 256 );
 
     timeline.scrollbar = new Fl_Scrollbar( 0, 600 - 24, 800, 24 );
-    timeline.scrollbar->range( 0, 293847234 );
+    timeline.scrollbar->range( 0, 48000 * 2 );
     timeline.scrollbar->type( 1 );
     timeline.scrollbar->step( 1 );
     timeline.scrollbar->callback( cb_scroll, 0 );