123 lines
4.3 KiB
C++
123 lines
4.3 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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#include <vcl/mnemonicengine.hxx>
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#include <vcl/i18nhelp.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/event.hxx>
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//........................................................................
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namespace vcl
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{
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//........................................................................
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//====================================================================
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//= MnemonicEngine_Data
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//====================================================================
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struct MnemonicEngine_Data
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{
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IMnemonicEntryList& rEntryList;
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MnemonicEngine_Data( IMnemonicEntryList& _rEntryList )
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:rEntryList( _rEntryList )
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{
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}
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};
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//--------------------------------------------------------------------
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namespace
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{
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const void* lcl_getEntryForMnemonic( IMnemonicEntryList& _rEntryList, sal_Unicode _cMnemonic, bool& _rbAmbiguous )
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{
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_rbAmbiguous = false;
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const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetUILocaleI18nHelper();
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String sEntryText;
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const void* pSearchEntry = _rEntryList.FirstSearchEntry( sEntryText );
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const void* pFirstFoundEntry = NULL;
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bool bCheckingAmbiguity = false;
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const void* pStartedWith = pSearchEntry;
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while ( pSearchEntry )
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{
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if ( rI18nHelper.MatchMnemonic( sEntryText, _cMnemonic ) )
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{
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if ( bCheckingAmbiguity )
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{
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// that's the second (at least) entry with this mnemonic
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_rbAmbiguous = true;
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return pFirstFoundEntry;
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}
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pFirstFoundEntry = pSearchEntry;
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bCheckingAmbiguity = true;
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}
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pSearchEntry = _rEntryList.NextSearchEntry( pSearchEntry, sEntryText );
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if ( pSearchEntry == pStartedWith )
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break;
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}
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return pFirstFoundEntry;
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}
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}
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//====================================================================
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//= MnemonicEngine
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//====================================================================
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//--------------------------------------------------------------------
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MnemonicEngine::MnemonicEngine( IMnemonicEntryList& _rEntryList )
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:m_pData( new MnemonicEngine_Data( _rEntryList ) )
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{
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}
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//--------------------------------------------------------------------
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bool MnemonicEngine::HandleKeyEvent( const KeyEvent& _rKEvt )
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{
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sal_Bool bAccelKey = _rKEvt.GetKeyCode().IsMod2();
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if ( !bAccelKey )
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return false;
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sal_Unicode cChar = _rKEvt.GetCharCode();
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bool bAmbiguous = false;
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const void* pEntry = lcl_getEntryForMnemonic( m_pData->rEntryList, cChar, bAmbiguous );
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if ( !pEntry )
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return false;
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m_pData->rEntryList.SelectSearchEntry( pEntry );
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if ( !bAmbiguous )
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m_pData->rEntryList.ExecuteSearchEntry( pEntry );
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// handled
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return true;
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}
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//--------------------------------------------------------------------
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MnemonicEngine::~MnemonicEngine()
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{
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}
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//........................................................................
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} // namespace vcl
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//........................................................................
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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