246 lines
9.9 KiB
C++
246 lines
9.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SVTOOLS_ACCELERATOREXECUTE_HXX
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#define INCLUDED_SVTOOLS_ACCELERATOREXECUTE_HXX
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#include "svtools/svtdllapi.h"
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#include <vector>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <com/sun/star/frame/XFrame.hpp>
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#include <com/sun/star/frame/XDispatchProvider.hpp>
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#include <com/sun/star/ui/XAcceleratorConfiguration.hpp>
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#include <com/sun/star/util/XURLTransformer.hpp>
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#include <com/sun/star/util/URL.hpp>
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#include <com/sun/star/awt/KeyEvent.hpp>
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#include <vcl/keycod.hxx>
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#include <vcl/evntpost.hxx>
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#include <osl/mutex.h>
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namespace svt
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{
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struct TMutexInit
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{
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::osl::Mutex m_aLock;
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};
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//===============================================
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/**
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@descr implements a helper, which can be used to
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convert vcl key codes into awt key codes ...
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and reverse.
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Further such key code can be triggered.
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Doing so different accelerator
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configurations are merged together; a suitable
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command registered for the given key code is searched
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and will be dispatched.
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@attention
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Because exceution of an accelerator command can be dangerous
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(in case it force an office shutdown for key "ALT+F4"!)
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all internal dispatches are done asynchronous.
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Menas that the trigger call doesn't wait till the dispatch
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is finished. You can call very often. All requests will be
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queued internal and dispatched ASAP.
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Of course this queue will be stopped if the environment
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will be destructed ...
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*/
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class SVT_DLLPUBLIC AcceleratorExecute : private TMutexInit
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{
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//-------------------------------------------
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// const, types
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private:
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/** @deprecated
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replaced by internal class AsyncAccelExec ...
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remove this resource here if we go forwards to next major */
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typedef ::std::vector< ::std::pair< css::util::URL, css::uno::Reference< css::frame::XDispatch > > > TCommandQueue;
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//-------------------------------------------
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// member
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private:
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/** TODO document me */
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css::uno::Reference< css::uno::XComponentContext > m_xContext;
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/** TODO document me */
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css::uno::Reference< css::util::XURLTransformer > m_xURLParser;
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/** TODO document me */
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css::uno::Reference< css::frame::XDispatchProvider > m_xDispatcher;
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/** TODO document me */
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css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xGlobalCfg;
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css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xModuleCfg;
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css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xDocCfg;
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/** @deprecated
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replaced by internal class AsyncAccelExec ...
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remove this resource here if we go forwards to next major */
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TCommandQueue m_lCommandQueue;
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/** @deprecated
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replaced by internal class AsyncAccelExec ...
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remove this resource here if we go forwards to next major */
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::vcl::EventPoster m_aAsyncCallback;
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//-------------------------------------------
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// interface
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public:
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//---------------------------------------
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/** @short factory method to create new accelerator
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helper instance.
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@descr Such helper instance must be initialized at first.
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So it can know its environment (global/module or
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document specific).
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Afterwards it can be used to execute incoming
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accelerator requests.
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The "end of life" of such helper can be reached as follow:
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- delete the object
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=> If it stands currently in its execute method, they will
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be finished. All further queued requests will be removed
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and further not executed!
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- "let it stay alone"
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=> All currently queued events will be finished. The
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helper kills itself afterwards. A shutdown of the
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environment will be recognized ... The helper stop its
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work immediately then!
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*/
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static AcceleratorExecute* createAcceleratorHelper();
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//---------------------------------------
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/** @short fight against inlining ... */
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virtual ~AcceleratorExecute();
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//---------------------------------------
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/** @short init this instance.
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@descr It must be called as first method after creation.
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And further it can be called more then once ...
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but at least its should be used one times only.
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Otherwise nobody can say, which asynchronous
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executions will be used inside the old and which one
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will be used inside the new environment.
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@param rxContext
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reference to an uno service manager.
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@param xEnv
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if it points to a valid frame it will be used
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to execute the dispatch there. Further the frame
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is used to locate the right module configuration
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and use it merged together with the document and
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the global configuration.
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If this parameter is set to NULL, the global configuration
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is used only. Further the global Desktop instance is
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used for dispatch.
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*/
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virtual void init(const css::uno::Reference< css::uno::XComponentContext >& rxContext,
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const css::uno::Reference< css::frame::XFrame >& xEnv );
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//---------------------------------------
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/** @short trigger this accelerator.
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@descr The internal configuartions are used to find
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as suitable command for this key code.
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This command will be queued and executed later
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asynchronous.
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@param aKey
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specify the accelerator for execute.
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@return [sal_Bool]
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sal_True if this key is configured and match to a command.
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Attention: This state does not mean the success state
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of the corresponding execute. Because its done asynchronous!
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*/
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virtual sal_Bool execute(const KeyCode& aKey);
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virtual sal_Bool execute(const css::awt::KeyEvent& aKey);
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/** search the command for the given key event.
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*
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* @param aKey The key event
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* @return The command or an empty string if the key event could not be found.
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*/
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OUString findCommand(const ::com::sun::star::awt::KeyEvent& aKey);
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//---------------------------------------
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/** TODO document me */
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static css::awt::KeyEvent st_VCLKey2AWTKey(const KeyCode& aKey);
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static KeyCode st_AWTKey2VCLKey(const css::awt::KeyEvent& aKey);
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//---------------------------------------
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/** TODO document me */
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static css::uno::Reference< css::ui::XAcceleratorConfiguration > st_openGlobalConfig(const css::uno::Reference< css::uno::XComponentContext >& rxContext);
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//---------------------------------------
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/** TODO document me */
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static css::uno::Reference< css::ui::XAcceleratorConfiguration > st_openModuleConfig(const css::uno::Reference< css::uno::XComponentContext >& rxContext ,
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const css::uno::Reference< css::frame::XFrame >& xFrame);
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//---------------------------------------
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/** TODO document me */
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static css::uno::Reference< css::ui::XAcceleratorConfiguration > st_openDocConfig(const css::uno::Reference< css::frame::XModel >& xModel);
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//-------------------------------------------
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// internal
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private:
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//---------------------------------------
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/** @short allow creation of instances of this class
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by using our factory only!
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*/
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SVT_DLLPRIVATE AcceleratorExecute();
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AcceleratorExecute(const AcceleratorExecute& rCopy);
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void operator=(const AcceleratorExecute&) {};
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//---------------------------------------
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/** TODO document me */
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SVT_DLLPRIVATE OUString impl_ts_findCommand(const css::awt::KeyEvent& aKey);
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//---------------------------------------
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/** TODO document me */
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SVT_DLLPRIVATE css::uno::Reference< css::util::XURLTransformer > impl_ts_getURLParser();
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//---------------------------------------
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/** @deprecated
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replaced by internal class AsyncAccelExec ...
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remove this resource here if we go forwards to next major */
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DECL_DLLPRIVATE_LINK(impl_ts_asyncCallback, void*);
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};
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} // namespace svt
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#endif // INCLUDED_SVTOOLS_ACCELERATOREXECUTE_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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