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4a4dea8d4d
Summary: I wanted to rename xbus because its relation to //swift// is not immediately clear from the name. xswiftbus seems reasonable. Reviewers: #swift_pilot_client, kbasan Reviewed By: kbasan Subscribers: kbasan, jenkins Tags: #swift_pilot_client Differential Revision: https://dev.swift-project.org/D14
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/* Copyright (C) 2015
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
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* including this file, may be copied, modified, propagated, or distributed except according to the terms
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* contained in the LICENSE file.
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*/
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#ifndef BLACKSIM_XSWIFTBUS_DRAWABLE_H
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#define BLACKSIM_XSWIFTBUS_DRAWABLE_H
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//! \file
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#include <XPLMDisplay.h>
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namespace XSwiftBus
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{
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/*!
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* Class-based interface to X-Plane's drawing callback API.
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*/
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class CDrawable
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{
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public:
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//! Constructor.
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CDrawable(XPLMDrawingPhase phase, bool before) : m_phase(phase), m_before(before) {}
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//! Destructor.
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virtual ~CDrawable() { hide(); }
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//! Register the draw callback.
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virtual void show()
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{
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XPLMRegisterDrawCallback(callback, m_phase, m_before, static_cast<void*>(this));
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}
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//! Unregister the draw callback.
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virtual void hide()
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{
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XPLMUnregisterDrawCallback(callback, m_phase, m_before, static_cast<void*>(this));
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}
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protected:
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//! Callback to draw the thing.
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virtual void draw() = 0;
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private:
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static int callback(XPLMDrawingPhase, int, void *refcon)
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{
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static_cast<CDrawable*>(refcon)->draw();
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return 1;
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}
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const XPLMDrawingPhase m_phase;
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const bool m_before;
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};
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}
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#endif
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