scummvm/backends/base-backend.h

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/* 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.
*
*/
#ifndef BACKENDS_BASE_BACKEND_H
#define BACKENDS_BASE_BACKEND_H
#include "common/system.h"
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#include "common/events.h"
class BaseBackend : public OSystem {
protected:
virtual Common::EventSource *getDefaultEventSource() = 0;
public:
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virtual void initBackend();
virtual void displayMessageOnOSD(const char *msg);
virtual void fillScreen(uint32 col);
};
class EventsBaseBackend : public BaseBackend, Common::EventSource {
protected:
virtual Common::EventSource *getDefaultEventSource() { return this; }
public:
};
#endif