intern/ghost/intern/GHOST_DisplayManagerSDL.cpp

   1 /*
   2  * $Id$
   3  * ***** BEGIN GPL LICENSE BLOCK *****
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  *
  19  * Contributor(s): Campbell Barton
  20  *
  21  * ***** END GPL LICENSE BLOCK *****
  22  */
  23
  24 /** \file ghost/intern/GHOST_DisplayManagerSDL.cpp
  25  *  \ingroup GHOST
  26  */
  27
  28 #include "GHOST_SystemSDL.h"
  29 #include "GHOST_DisplayManagerSDL.h"
  30
  31 GHOST_DisplayManagerSDL::GHOST_DisplayManagerSDL(GHOST_SystemSDL *system)
  32     :
  33       GHOST_DisplayManager(),
  34       m_system(system)
  35 {
  36         /* do nothing */
  37 }
  38
  39 GHOST_TSuccess
  40 GHOST_DisplayManagerSDL::getNumDisplays(GHOST_TUns8& numDisplays)
  41 {
  42         numDisplays=  SDL_GetNumVideoDisplays();
  43         return GHOST_kSuccess;
  44 }
  45
  46
  47 GHOST_TSuccess GHOST_DisplayManagerSDL::getNumDisplaySettings(GHOST_TUns8 display,
  48                                                               GHOST_TInt32& numSettings)
  49 {
  50         GHOST_ASSERT(display < 1, "Only single display systems are currently supported.\n");
  51         numSettings= GHOST_TInt32(1);
  52         return GHOST_kSuccess;
  53 }
  54
  55 GHOST_TSuccess
  56 GHOST_DisplayManagerSDL::getDisplaySetting(GHOST_TUns8 display,
  57                                            GHOST_TInt32 index,
  58                                            GHOST_DisplaySetting& setting)
  59 {
  60
  61         GHOST_ASSERT(display < 1, "Only single display systems are currently supported.\n");
  62         GHOST_ASSERT(index < 1, "Requested setting outside of valid range.\n");
  63         SDL_DisplayMode mode;
  64
  65         SDL_GetDesktopDisplayMode(display, &mode);
  66
  67         setting.xPixels= mode.w;
  68         setting.yPixels= mode.h;
  69         setting.bpp= SDL_BYTESPERPIXEL(mode.format);
  70         /* assume 60 when unset */
  71         setting.frequency= mode.refresh_rate ? mode.refresh_rate : 60;
  72
  73         return GHOST_kSuccess;
  74 }
  75
  76 GHOST_TSuccess
  77 GHOST_DisplayManagerSDL::getCurrentDisplaySetting(GHOST_TUns8 display,
  78                                                   GHOST_DisplaySetting& setting)
  79 {
  80         return getDisplaySetting(display,GHOST_TInt32(0),setting);
  81 }
  82
  83 GHOST_TSuccess
  84 GHOST_DisplayManagerSDL:: setCurrentDisplaySetting(GHOST_TUns8 display,
  85                                                    const GHOST_DisplaySetting& setting)
  86 {
  87         // This is never going to work robustly in X
  88         // but it's currently part of the full screen interface
  89
  90         // we fudge it for now.
  91
  92         return GHOST_kSuccess;
  93 }