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             : //........................................................................
      27             : namespace vcl
      28             : {
      29             : //........................................................................
      30             : 
      31             :     //====================================================================
      32             :     //= MnemonicEngine_Data
      33             :     //====================================================================
      34             :     struct MnemonicEngine_Data
      35             :     {
      36             :         IMnemonicEntryList& rEntryList;
      37             : 
      38           0 :         MnemonicEngine_Data( IMnemonicEntryList& _rEntryList )
      39           0 :             :rEntryList( _rEntryList )
      40             :         {
      41           0 :         }
      42             :     };
      43             : 
      44             :     //--------------------------------------------------------------------
      45             :     namespace
      46             :     {
      47           0 :         const void* lcl_getEntryForMnemonic( IMnemonicEntryList& _rEntryList, sal_Unicode _cMnemonic, bool& _rbAmbiguous )
      48             :         {
      49           0 :             _rbAmbiguous = false;
      50             : 
      51           0 :             const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetUILocaleI18nHelper();
      52             : 
      53           0 :             String sEntryText;
      54           0 :             const void* pSearchEntry = _rEntryList.FirstSearchEntry( sEntryText );
      55             : 
      56           0 :             const void* pFirstFoundEntry = NULL;
      57           0 :             bool bCheckingAmbiguity = false;
      58           0 :             const void* pStartedWith = pSearchEntry;
      59           0 :             while ( pSearchEntry )
      60             :             {
      61           0 :                 if ( rI18nHelper.MatchMnemonic( sEntryText, _cMnemonic ) )
      62             :                 {
      63           0 :                     if ( bCheckingAmbiguity )
      64             :                     {
      65             :                         // that's the second (at least) entry with this mnemonic
      66           0 :                         _rbAmbiguous = true;
      67           0 :                         return pFirstFoundEntry;
      68             :                     }
      69             : 
      70           0 :                     pFirstFoundEntry = pSearchEntry;
      71           0 :                     bCheckingAmbiguity = true;
      72             :                 }
      73             : 
      74           0 :                 pSearchEntry = _rEntryList.NextSearchEntry( pSearchEntry, sEntryText );
      75           0 :                 if ( pSearchEntry == pStartedWith )
      76           0 :                     break;
      77             :             }
      78             : 
      79           0 :             return pFirstFoundEntry;
      80             :         }
      81             :     }
      82             : 
      83             :     //====================================================================
      84             :     //= MnemonicEngine
      85             :     //====================================================================
      86             :     //--------------------------------------------------------------------
      87           0 :     MnemonicEngine::MnemonicEngine( IMnemonicEntryList& _rEntryList )
      88           0 :         :m_pData( new MnemonicEngine_Data( _rEntryList ) )
      89             :     {
      90           0 :     }
      91             : 
      92             :     //--------------------------------------------------------------------
      93           0 :     bool MnemonicEngine::HandleKeyEvent( const KeyEvent& _rKEvt )
      94             :     {
      95           0 :         sal_Bool bAccelKey = _rKEvt.GetKeyCode().IsMod2();
      96           0 :         if ( !bAccelKey )
      97           0 :             return false;
      98             : 
      99           0 :         sal_Unicode cChar = _rKEvt.GetCharCode();
     100           0 :         bool bAmbiguous = false;
     101           0 :         const void* pEntry = lcl_getEntryForMnemonic( m_pData->rEntryList, cChar, bAmbiguous );
     102           0 :         if ( !pEntry )
     103           0 :             return false;
     104             : 
     105           0 :         m_pData->rEntryList.SelectSearchEntry( pEntry );
     106           0 :         if ( !bAmbiguous )
     107           0 :             m_pData->rEntryList.ExecuteSearchEntry( pEntry );
     108             : 
     109             :         // handled
     110           0 :         return true;
     111             :     }
     112             : 
     113             :     //--------------------------------------------------------------------
     114           0 :     MnemonicEngine::~MnemonicEngine()
     115             :     {
     116           0 :     }
     117             : 
     118             : //........................................................................
     119             : } // namespace vcl
     120             : //........................................................................
     121             : 
     122             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */