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Diffstat (limited to 'src/corelib/global/qnativeinterface_p.h')
| -rw-r--r-- | src/corelib/global/qnativeinterface_p.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/corelib/global/qnativeinterface_p.h b/src/corelib/global/qnativeinterface_p.h new file mode 100644 index 0000000000..aa7705e153 --- /dev/null +++ b/src/corelib/global/qnativeinterface_p.h @@ -0,0 +1,63 @@ +// Copyright (C) 2021 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#ifndef QNATIVEINTERFACE_P_H +#define QNATIVEINTERFACE_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtCore/private/qglobal_p.h> +#include <QtCore/qloggingcategory.h> + +QT_BEGIN_NAMESPACE + +namespace QtPrivate { +Q_DECLARE_EXPORTED_LOGGING_CATEGORY(lcNativeInterface, Q_CORE_EXPORT) +} + +// Provides a definition for the interface destructor +#define QT_DEFINE_NATIVE_INTERFACE_2(Namespace, InterfaceClass) \ + QT_PREPEND_NAMESPACE(Namespace)::InterfaceClass::~InterfaceClass() = default + +#define QT_DEFINE_NATIVE_INTERFACE(...) \ + QT_OVERLOADED_MACRO(QT_DEFINE_NATIVE_INTERFACE, QNativeInterface, __VA_ARGS__) +#define QT_DEFINE_PRIVATE_NATIVE_INTERFACE(...) \ + QT_OVERLOADED_MACRO(QT_DEFINE_NATIVE_INTERFACE, QNativeInterface::Private, __VA_ARGS__) + +#define QT_NATIVE_INTERFACE_RETURN_IF(NativeInterface, baseType) \ + { \ + using QtPrivate::lcNativeInterface; \ + using QNativeInterface::Private::TypeInfo; \ + qCDebug(lcNativeInterface, "Comparing requested interface name %s with available %s", \ + name, TypeInfo<NativeInterface>::name()); \ + if (qstrcmp(name, TypeInfo<NativeInterface>::name()) == 0) { \ + qCDebug(lcNativeInterface, \ + "Match for interface %s. Comparing revisions (requested %d / available %d)", \ + name, revision, TypeInfo<NativeInterface>::revision()); \ + if (revision == TypeInfo<NativeInterface>::revision()) { \ + qCDebug(lcNativeInterface) << "Full match. Returning dynamic cast of" << baseType; \ + return dynamic_cast<NativeInterface *>(baseType); \ + } else { \ + qCWarning(lcNativeInterface, \ + "Native interface revision mismatch (requested %d / available %d) for " \ + "interface %s", \ + revision, TypeInfo<NativeInterface>::revision(), name); \ + return nullptr; \ + } \ + } else { \ + qCDebug(lcNativeInterface, "No match for requested interface name %s", name); \ + } \ + } + +QT_END_NAMESPACE + +#endif // QNATIVEINTERFACE_P_H |