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blender/intern/ghost/intern/GHOST_ISystem.cpp

108 lines
2.8 KiB
C++

/*
* 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.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
/** \file
* \ingroup GHOST
*/
/**
* Copyright (C) 2001 NaN Technologies B.V.
*/
#include "GHOST_ISystem.h"
#if defined(WITH_HEADLESS)
# include "GHOST_SystemNULL.h"
#elif defined(WITH_GHOST_X11) && defined(WITH_GHOST_WAYLAND)
# include "GHOST_SystemWayland.h"
# include "GHOST_SystemX11.h"
# include <stdexcept>
#elif defined(WITH_GHOST_X11)
# include "GHOST_SystemX11.h"
#elif defined(WITH_GHOST_WAYLAND)
# include "GHOST_SystemWayland.h"
#elif defined(WITH_GHOST_SDL)
# include "GHOST_SystemSDL.h"
#elif defined(WIN32)
# include "GHOST_SystemWin32.h"
#elif defined(__APPLE__)
# include "GHOST_SystemCocoa.h"
#endif
GHOST_ISystem *GHOST_ISystem::m_system = NULL;
GHOST_TSuccess GHOST_ISystem::createSystem()
{
GHOST_TSuccess success;
if (!m_system) {
#if defined(WITH_HEADLESS)
m_system = new GHOST_SystemNULL();
#elif defined(WITH_GHOST_X11) && defined(WITH_GHOST_WAYLAND)
/* Special case, try Wayland, fall back to X11. */
try {
m_system = new GHOST_SystemWayland();
}
catch (const std::runtime_error &) {
/* fallback to X11. */
delete m_system;
m_system = nullptr;
}
if (!m_system) {
m_system = new GHOST_SystemX11();
}
#elif defined(WITH_GHOST_X11)
m_system = new GHOST_SystemX11();
#elif defined(WITH_GHOST_WAYLAND)
m_system = new GHOST_SystemWayland();
#elif defined(WITH_GHOST_SDL)
m_system = new GHOST_SystemSDL();
#elif defined(WIN32)
m_system = new GHOST_SystemWin32();
#elif defined(__APPLE__)
m_system = new GHOST_SystemCocoa();
#endif
success = m_system != NULL ? GHOST_kSuccess : GHOST_kFailure;
}
else {
success = GHOST_kFailure;
}
if (success) {
success = m_system->init();
}
return success;
}
GHOST_TSuccess GHOST_ISystem::disposeSystem()
{
GHOST_TSuccess success = GHOST_kSuccess;
if (m_system) {
delete m_system;
m_system = NULL;
}
else {
success = GHOST_kFailure;
}
return success;
}
GHOST_ISystem *GHOST_ISystem::getSystem()
{
return m_system;
}