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             : #include <vcl/settings.hxx>
      26             : 
      27             : namespace vcl
      28             : {
      29             :     struct MnemonicEngine_Data
      30             :     {
      31             :         IMnemonicEntryList& rEntryList;
      32             : 
      33          28 :         explicit MnemonicEngine_Data( IMnemonicEntryList& _rEntryList )
      34          28 :             :rEntryList( _rEntryList )
      35             :         {
      36          28 :         }
      37             :     };
      38             : 
      39             :     namespace
      40             :     {
      41           0 :         const void* lcl_getEntryForMnemonic( IMnemonicEntryList& _rEntryList, sal_Unicode _cMnemonic, bool& _rbAmbiguous )
      42             :         {
      43           0 :             _rbAmbiguous = false;
      44             : 
      45           0 :             const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetUILocaleI18nHelper();
      46             : 
      47           0 :             OUString sEntryText;
      48           0 :             const void* pSearchEntry = _rEntryList.FirstSearchEntry( sEntryText );
      49             : 
      50           0 :             const void* pFirstFoundEntry = NULL;
      51           0 :             bool bCheckingAmbiguity = false;
      52           0 :             const void* pStartedWith = pSearchEntry;
      53           0 :             while ( pSearchEntry )
      54             :             {
      55           0 :                 if ( rI18nHelper.MatchMnemonic( sEntryText, _cMnemonic ) )
      56             :                 {
      57           0 :                     if ( bCheckingAmbiguity )
      58             :                     {
      59             :                         // that's the second (at least) entry with this mnemonic
      60           0 :                         _rbAmbiguous = true;
      61           0 :                         return pFirstFoundEntry;
      62             :                     }
      63             : 
      64           0 :                     pFirstFoundEntry = pSearchEntry;
      65           0 :                     bCheckingAmbiguity = true;
      66             :                 }
      67             : 
      68           0 :                 pSearchEntry = _rEntryList.NextSearchEntry( pSearchEntry, sEntryText );
      69           0 :                 if ( pSearchEntry == pStartedWith )
      70           0 :                     break;
      71             :             }
      72             : 
      73           0 :             return pFirstFoundEntry;
      74             :         }
      75             :     }
      76             : 
      77          28 :     MnemonicEngine::MnemonicEngine( IMnemonicEntryList& _rEntryList )
      78          28 :         :m_pData( new MnemonicEngine_Data( _rEntryList ) )
      79             :     {
      80          28 :     }
      81             : 
      82           0 :     bool MnemonicEngine::HandleKeyEvent( const KeyEvent& _rKEvt )
      83             :     {
      84           0 :         bool bAccelKey = _rKEvt.GetKeyCode().IsMod2();
      85           0 :         if ( !bAccelKey )
      86           0 :             return false;
      87             : 
      88           0 :         sal_Unicode cChar = _rKEvt.GetCharCode();
      89           0 :         bool bAmbiguous = false;
      90           0 :         const void* pEntry = lcl_getEntryForMnemonic( m_pData->rEntryList, cChar, bAmbiguous );
      91           0 :         if ( !pEntry )
      92           0 :             return false;
      93             : 
      94           0 :         m_pData->rEntryList.SelectSearchEntry( pEntry );
      95           0 :         if ( !bAmbiguous )
      96           0 :             m_pData->rEntryList.ExecuteSearchEntry( pEntry );
      97             : 
      98             :         // handled
      99           0 :         return true;
     100             :     }
     101             : 
     102          26 :     MnemonicEngine::~MnemonicEngine()
     103             :     {
     104          26 :     }
     105             : 
     106             : } // namespace vcl
     107             : 
     108             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */