gtk2_ardour/ghostregion.h

   1 /*
   2     Copyright (C) 2004 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __ardour_gtk_ghost_region_h__
  21 #define __ardour_gtk_ghost_region_h__
  22
  23 #include <vector>
  24 #include <sigc++/signal.h>
  25 #include <libgnomecanvasmm.h>
  26 #include "canvas.h"
  27 #include "simplerect.h"
  28
  29 class AutomationTimeAxisView;
  30
  31 struct GhostRegion : public sigc::trackable
  32 {
  33     AutomationTimeAxisView& trackview;
  34     ArdourCanvas::Group* group;
  35     ArdourCanvas::SimpleRect* base_rect;
  36     std::vector<ArdourCanvas::WaveView*> waves;
  37
  38     GhostRegion (AutomationTimeAxisView& tv, double initial_unit_pos);
  39     ~GhostRegion ();
  40
  41     void set_samples_per_unit (double spu);
  42     void set_duration (double units);
  43     void set_height ();
  44     void set_colors ();
  45
  46     sigc::signal<void,GhostRegion*> GoingAway;
  47 };
  48
  49 #endif /* __ardour_gtk_ghost_region_h__ */