modules/gui/skins2/utils/var_percent.cpp

   1 /*****************************************************************************
   2  * var_percent.cpp
   3  *****************************************************************************
   4  * Copyright (C) 2003 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Cyril Deguet     <asmax@via.ecp.fr>
   8  *          Olivier Teulière <ipkiss@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #include "var_percent.hpp"
  26
  27
  28 const string VarPercent::m_type = "percent";
  29
  30
  31 void VarPercent::set( float percentage )
  32 {
  33     if( percentage < 0 )
  34     {
  35         percentage = 0;
  36     }
  37     if( percentage > 1 )
  38     {
  39         percentage = 1;
  40     }
  41
  42     // If the value has changed, notify the observers
  43     if( m_value != percentage )
  44     {
  45         m_value = percentage;
  46         notify( NULL );
  47     }
  48 }
  49