Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <vcl/mnemonicengine.hxx>
      21             : 
      22             : #include <vcl/i18nhelp.hxx>
      23             : #include <vcl/svapp.hxx>
      24             : #include <vcl/event.hxx>
      25             : 
      26             : namespace vcl
      27             : {
      28             :     struct MnemonicEngine_Data
      29             :     {
      30             :         IMnemonicEntryList& rEntryList;
      31             : 
      32         121 :         MnemonicEngine_Data( IMnemonicEntryList& _rEntryList )
      33         121 :             :rEntryList( _rEntryList )
      34             :         {
      35         121 :         }
      36             :     };
      37             : 
      38             :     namespace
      39             :     {
      40           0 :         const void* lcl_getEntryForMnemonic( IMnemonicEntryList& _rEntryList, sal_Unicode _cMnemonic, bool& _rbAmbiguous )
      41             :         {
      42           0 :             _rbAmbiguous = false;
      43             : 
      44           0 :             const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetUILocaleI18nHelper();
      45             : 
      46           0 :             String sEntryText;
      47           0 :             const void* pSearchEntry = _rEntryList.FirstSearchEntry( sEntryText );
      48             : 
      49           0 :             const void* pFirstFoundEntry = NULL;
      50           0 :             bool bCheckingAmbiguity = false;
      51           0 :             const void* pStartedWith = pSearchEntry;
      52           0 :             while ( pSearchEntry )
      53             :             {
      54           0 :                 if ( rI18nHelper.MatchMnemonic( sEntryText, _cMnemonic ) )
      55             :                 {
      56           0 :                     if ( bCheckingAmbiguity )
      57             :                     {
      58             :                         // that's the second (at least) entry with this mnemonic
      59           0 :                         _rbAmbiguous = true;
      60           0 :                         return pFirstFoundEntry;
      61             :                     }
      62             : 
      63           0 :                     pFirstFoundEntry = pSearchEntry;
      64           0 :                     bCheckingAmbiguity = true;
      65             :                 }
      66             : 
      67           0 :                 pSearchEntry = _rEntryList.NextSearchEntry( pSearchEntry, sEntryText );
      68           0 :                 if ( pSearchEntry == pStartedWith )
      69           0 :                     break;
      70             :             }
      71             : 
      72           0 :             return pFirstFoundEntry;
      73             :         }
      74             :     }
      75             : 
      76         121 :     MnemonicEngine::MnemonicEngine( IMnemonicEntryList& _rEntryList )
      77         121 :         :m_pData( new MnemonicEngine_Data( _rEntryList ) )
      78             :     {
      79         121 :     }
      80             : 
      81           0 :     bool MnemonicEngine::HandleKeyEvent( const KeyEvent& _rKEvt )
      82             :     {
      83           0 :         sal_Bool bAccelKey = _rKEvt.GetKeyCode().IsMod2();
      84           0 :         if ( !bAccelKey )
      85           0 :             return false;
      86             : 
      87           0 :         sal_Unicode cChar = _rKEvt.GetCharCode();
      88           0 :         bool bAmbiguous = false;
      89           0 :         const void* pEntry = lcl_getEntryForMnemonic( m_pData->rEntryList, cChar, bAmbiguous );
      90           0 :         if ( !pEntry )
      91           0 :             return false;
      92             : 
      93           0 :         m_pData->rEntryList.SelectSearchEntry( pEntry );
      94           0 :         if ( !bAmbiguous )
      95           0 :             m_pData->rEntryList.ExecuteSearchEntry( pEntry );
      96             : 
      97             :         // handled
      98           0 :         return true;
      99             :     }
     100             : 
     101         121 :     MnemonicEngine::~MnemonicEngine()
     102             :     {
     103         121 :     }
     104             : 
     105         465 : } // namespace vcl
     106             : 
     107             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */