/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #ifndef INCLUDED_COMPHELPER_SELECTIONMULTIPLEX_HXX #define INCLUDED_COMPHELPER_SELECTIONMULTIPLEX_HXX #include #include #include #include namespace com::sun::star::view { class XSelectionSupplier; } //= selection helper classes namespace comphelper { //= OSelectionChangeListener /// simple listener adapter for selections class COMPHELPER_DLLPUBLIC OSelectionChangeListener { friend class OSelectionChangeMultiplexer; public: virtual ~OSelectionChangeListener(); /// @throws css::uno::RuntimeException virtual void _selectionChanged( const css::lang::EventObject& aEvent ) = 0; /// @throws css::uno::RuntimeException virtual void _disposing(const css::lang::EventObject& _rSource); }; //= OSelectionChangeMultiplexer /// multiplexer for selection changes class COMPHELPER_DLLPUBLIC OSelectionChangeMultiplexer final : public cppu::WeakImplHelper< css::view::XSelectionChangeListener> { friend class OSelectionChangeListener; css::uno::Reference< css::view::XSelectionSupplier> m_xSet; OSelectionChangeListener* m_pListener; sal_Int32 m_nLockCount; OSelectionChangeMultiplexer(const OSelectionChangeMultiplexer&) = delete; OSelectionChangeMultiplexer& operator=(const OSelectionChangeMultiplexer&) = delete; virtual ~OSelectionChangeMultiplexer() override; public: OSelectionChangeMultiplexer(OSelectionChangeListener* _pListener, const css::uno::Reference< css::view::XSelectionSupplier>& _rxSet); // XEventListener virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override; // XSelectionChangeListener virtual void SAL_CALL selectionChanged( const css::lang::EventObject& aEvent ) override; /// incremental lock void lock(); /// incremental unlock void unlock(); /// get the lock count sal_Int32 locked() const { return m_nLockCount; } void dispose(); }; } // namespace comphelper #endif // INCLUDED_COMPHELPER_SELECTIONMULTIPLEX_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ .8'>distro/collabora/co-24.04.8 LibreOffice 核心代码仓库文档基金会
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