| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_vcl.hxx" |
| |
| #include "vcl/quickselectionengine.hxx" |
| #include "vcl/event.hxx" |
| #include "vcl/timer.hxx" |
| #include "vcl/i18nhelp.hxx" |
| #include "vcl/svapp.hxx" |
| |
| #include <boost/optional.hpp> |
| |
| //........................................................................ |
| namespace vcl |
| { |
| //........................................................................ |
| |
| //==================================================================== |
| //= QuickSelectionEngine_Data |
| //==================================================================== |
| struct QuickSelectionEngine_Data |
| { |
| ISearchableStringList& rEntryList; |
| String sCurrentSearchString; |
| ::boost::optional< sal_Unicode > aSingleSearchChar; |
| Timer aSearchTimeout; |
| |
| QuickSelectionEngine_Data( ISearchableStringList& _entryList ) |
| :rEntryList( _entryList ) |
| ,sCurrentSearchString() |
| ,aSingleSearchChar() |
| ,aSearchTimeout() |
| { |
| aSearchTimeout.SetTimeout( 2500 ); |
| aSearchTimeout.SetTimeoutHdl( LINK( this, QuickSelectionEngine_Data, SearchStringTimeout ) ); |
| } |
| |
| ~QuickSelectionEngine_Data() |
| { |
| aSearchTimeout.Stop(); |
| } |
| |
| DECL_LINK( SearchStringTimeout, Timer* ); |
| }; |
| |
| //-------------------------------------------------------------------- |
| namespace |
| { |
| static void lcl_reset( QuickSelectionEngine_Data& _data ) |
| { |
| _data.sCurrentSearchString.Erase(); |
| _data.aSingleSearchChar.reset(); |
| _data.aSearchTimeout.Stop(); |
| } |
| } |
| |
| //-------------------------------------------------------------------- |
| IMPL_LINK( QuickSelectionEngine_Data, SearchStringTimeout, Timer*, /*EMPTYARG*/ ) |
| { |
| lcl_reset( *this ); |
| return 1; |
| } |
| |
| //-------------------------------------------------------------------- |
| static StringEntryIdentifier findMatchingEntry( const String& _searchString, QuickSelectionEngine_Data& _engineData ) |
| { |
| const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetLocaleI18nHelper(); |
| // TODO: do we really need the Window's settings here? The original code used it ... |
| |
| String sEntryText; |
| // get the "current + 1" entry |
| StringEntryIdentifier pSearchEntry = _engineData.rEntryList.CurrentEntry( sEntryText ); |
| if ( pSearchEntry ) |
| pSearchEntry = _engineData.rEntryList.NextEntry( pSearchEntry, sEntryText ); |
| // loop 'til we find another matching entry |
| StringEntryIdentifier pStartedWith = pSearchEntry; |
| while ( pSearchEntry ) |
| { |
| if ( rI18nHelper.MatchString( _searchString, sEntryText ) != 0 ) |
| break; |
| |
| pSearchEntry = _engineData.rEntryList.NextEntry( pSearchEntry, sEntryText ); |
| if ( pSearchEntry == pStartedWith ) |
| pSearchEntry = NULL; |
| } |
| |
| return pSearchEntry; |
| } |
| |
| //==================================================================== |
| //= QuickSelectionEngine |
| //==================================================================== |
| //-------------------------------------------------------------------- |
| QuickSelectionEngine::QuickSelectionEngine( ISearchableStringList& _entryList ) |
| :m_pData( new QuickSelectionEngine_Data( _entryList ) ) |
| { |
| } |
| |
| //-------------------------------------------------------------------- |
| QuickSelectionEngine::~QuickSelectionEngine() |
| { |
| } |
| |
| //-------------------------------------------------------------------- |
| bool QuickSelectionEngine::HandleKeyEvent( const KeyEvent& _keyEvent ) |
| { |
| xub_Unicode c = _keyEvent.GetCharCode(); |
| |
| if ( ( c >= 32 ) && ( c != 127 ) && !_keyEvent.GetKeyCode().IsMod2() ) |
| { |
| m_pData->sCurrentSearchString += c; |
| OSL_TRACE( "QuickSelectionEngine::HandleKeyEvent: searching for %s", ByteString( m_pData->sCurrentSearchString, RTL_TEXTENCODING_UTF8 ).GetBuffer() ); |
| |
| if ( m_pData->sCurrentSearchString.Len() == 1 ) |
| { // first character in the search -> remmeber |
| m_pData->aSingleSearchChar.reset( c ); |
| } |
| else if ( m_pData->sCurrentSearchString.Len() > 1 ) |
| { |
| if ( !!m_pData->aSingleSearchChar && ( *m_pData->aSingleSearchChar != c ) ) |
| // we already have a "single char", but the current one is different -> reset |
| m_pData->aSingleSearchChar.reset(); |
| } |
| |
| XubString aSearchTemp( m_pData->sCurrentSearchString ); |
| |
| StringEntryIdentifier pMatchingEntry = findMatchingEntry( aSearchTemp, *m_pData ); |
| OSL_TRACE( "QuickSelectionEngine::HandleKeyEvent: found %p", pMatchingEntry ); |
| if ( !pMatchingEntry && ( aSearchTemp.Len() > 1 ) && !!m_pData->aSingleSearchChar ) |
| { |
| // if there's only one letter in the search string, use a different search mode |
| aSearchTemp = *m_pData->aSingleSearchChar; |
| pMatchingEntry = findMatchingEntry( aSearchTemp, *m_pData ); |
| } |
| |
| if ( pMatchingEntry ) |
| { |
| m_pData->rEntryList.SelectEntry( pMatchingEntry ); |
| m_pData->aSearchTimeout.Start(); |
| } |
| else |
| { |
| lcl_reset( *m_pData ); |
| } |
| |
| return true; |
| } |
| return false; |
| } |
| |
| //-------------------------------------------------------------------- |
| void QuickSelectionEngine::Reset() |
| { |
| lcl_reset( *m_pData ); |
| } |
| |
| //........................................................................ |
| } // namespace vcl |
| //........................................................................ |
