scummvm/common/system.cpp

125 lines
2.9 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2004 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "stdafx.h"
#include "backends/intern.h"
#include "base/gameDetector.h"
#include "gui/message.h"
#include "common/config-manager.h"
#include "common/system.h"
static OSystem *s_system = 0;
static OSystem *createSystem() {
// Attention: Do not call parseGraphicsMode() here, nor any other function
// which needs to access the OSystem instance, else you get stuck in an
// endless loop.
#if defined(USE_NULL_DRIVER)
return OSystem_NULL_create();
#elif defined(__DC__)
return OSystem_Dreamcast_create();
#elif defined(X11_BACKEND)
return OSystem_X11_create();
#elif defined(__MORPHOS__)
return OSystem_MorphOS_create(gfx_mode, ConfMan.getBool("fullscreen"));
#elif defined(_WIN32_WCE)
return OSystem_WINCE3_create();
#elif defined(__GP32__) // ph0x
return OSystem_GP32_create(GFX_NORMAL, true);
#elif defined(__PALM_OS__) //chrilith
return OSystem_PALMOS_create();
#else
/* SDL is the default driver for now */
return OSystem_SDL_create();
#endif
}
OSystem *OSystem::instance() {
if (!s_system)
s_system = createSystem();
return s_system;
}
bool OSystem::setGraphicsMode(const char *name) {
if (!name)
return false;
// Sepcial case for the 'default' filter
if (!scumm_stricmp(name, "normal") || !scumm_stricmp(name, "default")) {
return setGraphicsMode(getDefaultGraphicsMode());
}
const GraphicsMode *gm = getSupportedGraphicsModes();
while (gm->name) {
if (!scumm_stricmp(gm->name, name)) {
return setGraphicsMode(gm->id);
}
gm++;
}
return false;
}
void OSystem::displayMessageOnOSD(const char *msg) {
// Display the message for 1.5 seconds
GUI::TimedMessageDialog dialog(msg, 1500);
dialog.runModal();
}
#pragma mark -
namespace Common {
StackLock::StackLock(OSystem::MutexRef mutex, const char *mutexName)
: _mutex(mutex), _mutexName(mutexName) {
lock();
}
StackLock::~StackLock() {
unlock();
}
void StackLock::lock() {
if (_mutexName != NULL)
debug(6, "Locking mutex %s", _mutexName);
g_system->lockMutex(_mutex);
}
void StackLock::unlock() {
if (_mutexName != NULL)
debug(6, "Unlocking mutex %s", _mutexName);
g_system->unlockMutex(_mutex);
}
} // End of namespace Common