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49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef BACKENDS_BASE_BACKEND_H
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#define BACKENDS_BASE_BACKEND_H
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#include "common/system.h"
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#include "common/events.h"
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/**
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* Subclass of OSystem that contains default implementations of functions that would
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* cause circular dependencies if they were implemented in common/system.cpp
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*/
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class BaseBackend : public OSystem {
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public:
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virtual void initBackend() override;
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virtual void displayMessageOnOSD(const Common::U32String &msg) override;
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virtual void displayActivityIconOnOSD(const Graphics::Surface *icon) override {}
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virtual void fillScreen(uint32 col) override;
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};
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class EventsBaseBackend : virtual public BaseBackend, Common::EventSource {
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public:
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virtual void initBackend();
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};
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#endif
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