Revision control
++ // Copyright (C) 2025 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #ifndef RECURSIVEMETHODGUARD_P_H
++ #define RECURSIVEMETHODGUARD_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.
++ //
++
++ QT_BEGIN_NAMESPACE
++ namespace QtVirtualKeyboard {
++
++ class RecursiveMethodGuard
++ {
++ Q_DISABLE_COPY_MOVE(RecursiveMethodGuard)
++
++ public:
++ explicit RecursiveMethodGuard(bool &flag) noexcept
++ : m_flag(flag), m_acquired(!flag)
++ {
++ if (m_acquired)
++ m_flag = true;
++ }
++
++ ~RecursiveMethodGuard() noexcept
++ {
++ if (m_acquired)
++ m_flag = false;
++ }
++
++ [[nodiscard]] bool locked() const noexcept { return !m_acquired; }
++
++ private:
++ bool &m_flag;
++ const bool m_acquired;
++ };
++
++ }
++ QT_END_NAMESPACE
++
++ #endif // RECURSIVEMETHODGUARD_P_H