gtk2_ardour/selectable.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_selectable_h__
  21 #define __ardour_gtk_selectable_h__
  22
  23 #include <sigc++/signal.h>
  24
  25 class Selectable : public virtual sigc::trackable
  26 {
  27   public:
  28         Selectable() {
  29                 _selected = false;
  30         }
  31
  32         virtual ~Selectable() {}
  33
  34         virtual void set_selected (bool yn) {
  35                 if (yn != _selected) {
  36                         _selected = yn;
  37                 }
  38         }
  39
  40         bool get_selected() const {
  41                 return _selected;
  42         }
  43
  44   protected:
  45         bool _selected;
  46 };
  47
  48 #endif /* __ardour_gtk_selectable_h__ */