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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
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*************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"
#include <vcl/mnemonicengine.hxx>
#include <vcl/i18nhelp.hxx>
#include <vcl/svapp.hxx>
#include <vcl/event.hxx>
//........................................................................
namespace vcl
{
//........................................................................
//====================================================================
//= MnemonicEngine_Data
//====================================================================
struct MnemonicEngine_Data
{
IMnemonicEntryList& rEntryList;
MnemonicEngine_Data( IMnemonicEntryList& _rEntryList )
:rEntryList( _rEntryList )
{
}
};
//--------------------------------------------------------------------
namespace
{
const void* lcl_getEntryForMnemonic( IMnemonicEntryList& _rEntryList, sal_Unicode _cMnemonic, bool& _rbAmbiguous )
{
_rbAmbiguous = false;
const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetUILocaleI18nHelper();
String sEntryText;
const void* pSearchEntry = _rEntryList.FirstSearchEntry( sEntryText );
const void* pFirstFoundEntry = NULL;
bool bCheckingAmbiguity = false;
const void* pStartedWith = pSearchEntry;
while ( pSearchEntry )
{
if ( rI18nHelper.MatchMnemonic( sEntryText, _cMnemonic ) )
{
if ( bCheckingAmbiguity )
{
// that's the second (at least) entry with this mnemonic
_rbAmbiguous = true;
return pFirstFoundEntry;
}
pFirstFoundEntry = pSearchEntry;
bCheckingAmbiguity = true;
}
pSearchEntry = _rEntryList.NextSearchEntry( pSearchEntry, sEntryText );
if ( pSearchEntry == pStartedWith )
break;
}
return pFirstFoundEntry;
}
}
//====================================================================
//= MnemonicEngine
//====================================================================
//--------------------------------------------------------------------
MnemonicEngine::MnemonicEngine( IMnemonicEntryList& _rEntryList )
:m_pData( new MnemonicEngine_Data( _rEntryList ) )
{
}
//--------------------------------------------------------------------
bool MnemonicEngine::HandleKeyEvent( const KeyEvent& _rKEvt )
{
sal_Bool bAccelKey = _rKEvt.GetKeyCode().IsMod2();
if ( !bAccelKey )
return false;
sal_Unicode cChar = _rKEvt.GetCharCode();
bool bAmbiguous = false;
const void* pEntry = lcl_getEntryForMnemonic( m_pData->rEntryList, cChar, bAmbiguous );
if ( !pEntry )
return false;
m_pData->rEntryList.SelectSearchEntry( pEntry );
if ( !bAmbiguous )
m_pData->rEntryList.ExecuteSearchEntry( pEntry );
// handled
return true;
}
//--------------------------------------------------------------------
MnemonicEngine::~MnemonicEngine()
{
}
//........................................................................
} // namespace vcl
//........................................................................