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base-backend.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-2-0/backends/base-backend.cpp $
 * $Id: base-backend.cpp 45778 2009-11-09 15:13:59Z wjpalenstijn $
 *
 */

#include "backends/base-backend.h"
#include "backends/events/default/default-events.h"
#include "gui/message.h"

void BaseBackend::displayMessageOnOSD(const char *msg) {
      // Display the message for 1.5 seconds
      GUI::TimedMessageDialog dialog(msg, 1500);
      dialog.runModal();
}


static Common::EventManager *s_eventManager = 0;

Common::EventManager *BaseBackend::getEventManager() {
      // FIXME/TODO: Eventually this method should be turned into an abstract one,
      // to force backends to implement this conciously (even if they
      // end up returning the default event manager anyway).
      if (!s_eventManager)
            s_eventManager = new DefaultEventManager(this);
      return s_eventManager;
}

void BaseBackend::fillScreen(uint32 col) {
      Graphics::Surface *screen = lockScreen();
      if (screen && screen->pixels)
            memset(screen->pixels, col, screen->h * screen->pitch);
      unlockScreen();
}


/*
 FIXME: Maybe we should push the default config file loading/saving code below
 out to all the backends?
*/


#if defined(UNIX)
#if defined(SAMSUNGTV)
#define DEFAULT_CONFIG_FILE "/dtv/usb/sda1/.scummvmrc"
#else
#define DEFAULT_CONFIG_FILE ".scummvmrc"
#endif
#endif

#if !defined(UNIX)
#define DEFAULT_CONFIG_FILE "scummvm.ini"
#endif

Common::SeekableReadStream *BaseBackend::createConfigReadStream() {
      Common::FSNode file(DEFAULT_CONFIG_FILE);
      return file.createReadStream();
}

Common::WriteStream *BaseBackend::createConfigWriteStream() {
#ifdef __DC__
      return 0;
#else
      Common::FSNode file(DEFAULT_CONFIG_FILE);
      return file.createWriteStream();
#endif
}

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