gtk2_ardour/automation_selectable.h

   1 /*
   2     Copyright (C) 2000-2007 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_automation_selectable_h__
  21 #define __ardour_gtk_automation_selectable_h__
  22
  23 #include "ardour/types.h"
  24 #include "selectable.h"
  25
  26 class TimeAxisView;
  27
  28 /** A selected automation point, expressed as a rectangle on a track (so that x coordinates
  29  *  are frames and y coordinates are a fraction of track height).  This representation falls
  30  *  between the visible GUI control points and the back-end "actual" automation points,
  31  *  some of which may not be visible; it is not trivial to convert from one of these to the other,
  32  *  so the AutomationSelectable is a kind of "best and worst of both worlds".
  33  */
  34 struct AutomationSelectable : public Selectable
  35 {
  36     nframes_t start;
  37     nframes_t end;
  38     double low_fract;
  39     double high_fract;
  40     TimeAxisView* track; // ref would be better, but ARDOUR::SessionHandlePtr is non-assignable
  41
  42     AutomationSelectable (nframes_t s, nframes_t e, double l, double h, TimeAxisView* atv)
  43             : start (s), end (e), low_fract (l), high_fract (h), track (atv) {}
  44
  45     bool operator== (const AutomationSelectable& other) {
  46             return start == other.start &&
  47             end == other.end &&
  48             low_fract == other.low_fract &&
  49             high_fract == other.high_fract &&
  50             track == other.track;
  51     }
  52 };
  53
  54 #endif /* __ardour_gtk_automation_selectable_h__ */