add "fade range" operation, bound to alt-f at present by default

[ardour.git] / gtk2_ardour / route_time_axis.cc

diff --git a/gtk2_ardour/route_time_axis.cc b/gtk2_ardour/route_time_axis.cc
index 77fb0815bcd537a5115fb33d1f7c135a7a979914..36b2cdb2e97eaacf38642b90f5a795fa734399b5 100644 (file)
--- a/gtk2_ardour/route_time_axis.cc
+++ b/gtk2_ardour/route_time_axis.cc
@@ -1384,6 +1384,41 @@ RouteTimeAxisView::find_next_region_boundary (framepos_t pos, int32_t dir)
        return -1;
 }
 
+void
+RouteTimeAxisView::fade_range (TimeSelection& selection)
+{
+       boost::shared_ptr<Playlist> what_we_got;
+       boost::shared_ptr<Track> tr = track ();
+       boost::shared_ptr<Playlist> playlist;
+
+       if (tr == 0) {
+               /* route is a bus, not a track */
+               return;
+       }
+
+       playlist = tr->playlist();
+
+       TimeSelection time (selection);
+       float const speed = tr->speed();
+       if (speed != 1.0f) {
+               for (TimeSelection::iterator i = time.begin(); i != time.end(); ++i) {
+                       (*i).start = session_frame_to_track_frame((*i).start, speed);
+                       (*i).end   = session_frame_to_track_frame((*i).end,   speed);
+               }
+       }
+
+        playlist->clear_changes ();
+        playlist->clear_owned_changes ();
+
+       playlist->fade_range (time);
+
+       vector<Command*> cmds;
+       playlist->rdiff (cmds);
+       _session->add_commands (cmds);
+       _session->add_command (new StatefulDiffCommand (playlist));
+
+}
+
 void
 RouteTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
 {