27 lines
587 B
C++
27 lines
587 B
C++
/*
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SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
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*/
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#pragma once
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#include <limits>
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#include <type_traits>
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struct wl_resource;
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namespace KWin
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{
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template<typename T>
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T resource_cast(::wl_resource *resource)
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{
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using ObjectType = std::remove_pointer_t<std::remove_cv_t<T>>;
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if (auto resourceContainer = ObjectType::Resource::fromResource(resource)) {
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return static_cast<T>(resourceContainer->object());
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}
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return T();
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}
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} // namespace KWin
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