Snap trims as well.

Timeline/Audio_Region.C

@@ -865,6 +865,8 @@ Audio_Region::write ( nframes_t nframes )
 bool
 Audio_Region::finalize ( nframes_t frame )
 {
+    _range.length = frame - _range.start;
+
     log_end();
 
     _clip->close();
@@ -872,8 +874,6 @@ Audio_Region::finalize ( nframes_t frame )
 
     /* FIXME: should we attempt to truncate the file? */
 
-    _range.length = frame - _range.start;
-
     redraw();
 
     return true;

Timeline/Sequence_Region.C

@@ -92,6 +92,11 @@ Sequence_Region::trim ( enum trim_e t, int X )
 
             _r->trim_left( 0 - td );
 
+            nframes_t f;
+            /* snap to beat/bar lines */
+            if ( timeline->nearest_line( _r->start, &f ) )
+                _r->set_left( f );
+
             break;
         }
         case RIGHT:
@@ -109,6 +114,11 @@ Sequence_Region::trim ( enum trim_e t, int X )
 
             _r->trim_right( 0 - td );
 
+            nframes_t f;
+            /* snap to beat/bar lines */
+            if ( timeline->nearest_line( _r->start + _r->length, &f ) )
+                _r->set_right( f );
+
             break;
         }
         default:

Timeline/Sequence_Widget.H

@@ -62,6 +62,20 @@ struct Range
             length += n;
         }
 
+    void
+    set_left ( nframes_t f )
+        {
+            offset += f - start;
+            length -= f - start;
+            start = f;
+        }
+
+    void
+    set_right ( nframes_t f )
+        {
+            length = f - start;
+        }
+
     Range ( ) : start( 0 ), offset( 0 ), length( 0 )
         {
         }