1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove 25*b1cdbd2cSJim Jagielski #include "precompiled_vcl.hxx" 26*b1cdbd2cSJim Jagielski 27*b1cdbd2cSJim Jagielski #include "vcl/quickselectionengine.hxx" 28*b1cdbd2cSJim Jagielski #include "vcl/event.hxx" 29*b1cdbd2cSJim Jagielski #include "vcl/timer.hxx" 30*b1cdbd2cSJim Jagielski #include "vcl/i18nhelp.hxx" 31*b1cdbd2cSJim Jagielski #include "vcl/svapp.hxx" 32*b1cdbd2cSJim Jagielski 33*b1cdbd2cSJim Jagielski #include <boost/optional.hpp> 34*b1cdbd2cSJim Jagielski 35*b1cdbd2cSJim Jagielski //........................................................................ 36*b1cdbd2cSJim Jagielski namespace vcl 37*b1cdbd2cSJim Jagielski { 38*b1cdbd2cSJim Jagielski //........................................................................ 39*b1cdbd2cSJim Jagielski 40*b1cdbd2cSJim Jagielski //==================================================================== 41*b1cdbd2cSJim Jagielski //= QuickSelectionEngine_Data 42*b1cdbd2cSJim Jagielski //==================================================================== 43*b1cdbd2cSJim Jagielski struct QuickSelectionEngine_Data 44*b1cdbd2cSJim Jagielski { 45*b1cdbd2cSJim Jagielski ISearchableStringList& rEntryList; 46*b1cdbd2cSJim Jagielski String sCurrentSearchString; 47*b1cdbd2cSJim Jagielski ::boost::optional< sal_Unicode > aSingleSearchChar; 48*b1cdbd2cSJim Jagielski Timer aSearchTimeout; 49*b1cdbd2cSJim Jagielski QuickSelectionEngine_Datavcl::QuickSelectionEngine_Data50*b1cdbd2cSJim Jagielski QuickSelectionEngine_Data( ISearchableStringList& _entryList ) 51*b1cdbd2cSJim Jagielski :rEntryList( _entryList ) 52*b1cdbd2cSJim Jagielski ,sCurrentSearchString() 53*b1cdbd2cSJim Jagielski ,aSingleSearchChar() 54*b1cdbd2cSJim Jagielski ,aSearchTimeout() 55*b1cdbd2cSJim Jagielski { 56*b1cdbd2cSJim Jagielski aSearchTimeout.SetTimeout( 2500 ); 57*b1cdbd2cSJim Jagielski aSearchTimeout.SetTimeoutHdl( LINK( this, QuickSelectionEngine_Data, SearchStringTimeout ) ); 58*b1cdbd2cSJim Jagielski } 59*b1cdbd2cSJim Jagielski ~QuickSelectionEngine_Datavcl::QuickSelectionEngine_Data60*b1cdbd2cSJim Jagielski ~QuickSelectionEngine_Data() 61*b1cdbd2cSJim Jagielski { 62*b1cdbd2cSJim Jagielski aSearchTimeout.Stop(); 63*b1cdbd2cSJim Jagielski } 64*b1cdbd2cSJim Jagielski 65*b1cdbd2cSJim Jagielski DECL_LINK( SearchStringTimeout, Timer* ); 66*b1cdbd2cSJim Jagielski }; 67*b1cdbd2cSJim Jagielski 68*b1cdbd2cSJim Jagielski //-------------------------------------------------------------------- 69*b1cdbd2cSJim Jagielski namespace 70*b1cdbd2cSJim Jagielski { lcl_reset(QuickSelectionEngine_Data & _data)71*b1cdbd2cSJim Jagielski static void lcl_reset( QuickSelectionEngine_Data& _data ) 72*b1cdbd2cSJim Jagielski { 73*b1cdbd2cSJim Jagielski _data.sCurrentSearchString.Erase(); 74*b1cdbd2cSJim Jagielski _data.aSingleSearchChar.reset(); 75*b1cdbd2cSJim Jagielski _data.aSearchTimeout.Stop(); 76*b1cdbd2cSJim Jagielski } 77*b1cdbd2cSJim Jagielski } 78*b1cdbd2cSJim Jagielski 79*b1cdbd2cSJim Jagielski //-------------------------------------------------------------------- 80*b1cdbd2cSJim Jagielski IMPL_LINK( QuickSelectionEngine_Data, SearchStringTimeout, Timer*, /*EMPTYARG*/ ) 81*b1cdbd2cSJim Jagielski { 82*b1cdbd2cSJim Jagielski lcl_reset( *this ); 83*b1cdbd2cSJim Jagielski return 1; 84*b1cdbd2cSJim Jagielski } 85*b1cdbd2cSJim Jagielski 86*b1cdbd2cSJim Jagielski //-------------------------------------------------------------------- findMatchingEntry(const String & _searchString,QuickSelectionEngine_Data & _engineData)87*b1cdbd2cSJim Jagielski static StringEntryIdentifier findMatchingEntry( const String& _searchString, QuickSelectionEngine_Data& _engineData ) 88*b1cdbd2cSJim Jagielski { 89*b1cdbd2cSJim Jagielski const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetLocaleI18nHelper(); 90*b1cdbd2cSJim Jagielski // TODO: do we really need the Window's settings here? The original code used it ... 91*b1cdbd2cSJim Jagielski 92*b1cdbd2cSJim Jagielski String sEntryText; 93*b1cdbd2cSJim Jagielski // get the "current + 1" entry 94*b1cdbd2cSJim Jagielski StringEntryIdentifier pSearchEntry = _engineData.rEntryList.CurrentEntry( sEntryText ); 95*b1cdbd2cSJim Jagielski if ( pSearchEntry ) 96*b1cdbd2cSJim Jagielski pSearchEntry = _engineData.rEntryList.NextEntry( pSearchEntry, sEntryText ); 97*b1cdbd2cSJim Jagielski // loop 'til we find another matching entry 98*b1cdbd2cSJim Jagielski StringEntryIdentifier pStartedWith = pSearchEntry; 99*b1cdbd2cSJim Jagielski while ( pSearchEntry ) 100*b1cdbd2cSJim Jagielski { 101*b1cdbd2cSJim Jagielski if ( rI18nHelper.MatchString( _searchString, sEntryText ) != 0 ) 102*b1cdbd2cSJim Jagielski break; 103*b1cdbd2cSJim Jagielski 104*b1cdbd2cSJim Jagielski pSearchEntry = _engineData.rEntryList.NextEntry( pSearchEntry, sEntryText ); 105*b1cdbd2cSJim Jagielski if ( pSearchEntry == pStartedWith ) 106*b1cdbd2cSJim Jagielski pSearchEntry = NULL; 107*b1cdbd2cSJim Jagielski } 108*b1cdbd2cSJim Jagielski 109*b1cdbd2cSJim Jagielski return pSearchEntry; 110*b1cdbd2cSJim Jagielski } 111*b1cdbd2cSJim Jagielski 112*b1cdbd2cSJim Jagielski //==================================================================== 113*b1cdbd2cSJim Jagielski //= QuickSelectionEngine 114*b1cdbd2cSJim Jagielski //==================================================================== 115*b1cdbd2cSJim Jagielski //-------------------------------------------------------------------- QuickSelectionEngine(ISearchableStringList & _entryList)116*b1cdbd2cSJim Jagielski QuickSelectionEngine::QuickSelectionEngine( ISearchableStringList& _entryList ) 117*b1cdbd2cSJim Jagielski :m_pData( new QuickSelectionEngine_Data( _entryList ) ) 118*b1cdbd2cSJim Jagielski { 119*b1cdbd2cSJim Jagielski } 120*b1cdbd2cSJim Jagielski 121*b1cdbd2cSJim Jagielski //-------------------------------------------------------------------- ~QuickSelectionEngine()122*b1cdbd2cSJim Jagielski QuickSelectionEngine::~QuickSelectionEngine() 123*b1cdbd2cSJim Jagielski { 124*b1cdbd2cSJim Jagielski } 125*b1cdbd2cSJim Jagielski 126*b1cdbd2cSJim Jagielski //-------------------------------------------------------------------- HandleKeyEvent(const KeyEvent & _keyEvent)127*b1cdbd2cSJim Jagielski bool QuickSelectionEngine::HandleKeyEvent( const KeyEvent& _keyEvent ) 128*b1cdbd2cSJim Jagielski { 129*b1cdbd2cSJim Jagielski xub_Unicode c = _keyEvent.GetCharCode(); 130*b1cdbd2cSJim Jagielski 131*b1cdbd2cSJim Jagielski if ( ( c >= 32 ) && ( c != 127 ) && !_keyEvent.GetKeyCode().IsMod2() ) 132*b1cdbd2cSJim Jagielski { 133*b1cdbd2cSJim Jagielski m_pData->sCurrentSearchString += c; 134*b1cdbd2cSJim Jagielski OSL_TRACE( "QuickSelectionEngine::HandleKeyEvent: searching for %s", ByteString( m_pData->sCurrentSearchString, RTL_TEXTENCODING_UTF8 ).GetBuffer() ); 135*b1cdbd2cSJim Jagielski 136*b1cdbd2cSJim Jagielski if ( m_pData->sCurrentSearchString.Len() == 1 ) 137*b1cdbd2cSJim Jagielski { // first character in the search -> remmeber 138*b1cdbd2cSJim Jagielski m_pData->aSingleSearchChar.reset( c ); 139*b1cdbd2cSJim Jagielski } 140*b1cdbd2cSJim Jagielski else if ( m_pData->sCurrentSearchString.Len() > 1 ) 141*b1cdbd2cSJim Jagielski { 142*b1cdbd2cSJim Jagielski if ( !!m_pData->aSingleSearchChar && ( *m_pData->aSingleSearchChar != c ) ) 143*b1cdbd2cSJim Jagielski // we already have a "single char", but the current one is different -> reset 144*b1cdbd2cSJim Jagielski m_pData->aSingleSearchChar.reset(); 145*b1cdbd2cSJim Jagielski } 146*b1cdbd2cSJim Jagielski 147*b1cdbd2cSJim Jagielski XubString aSearchTemp( m_pData->sCurrentSearchString ); 148*b1cdbd2cSJim Jagielski 149*b1cdbd2cSJim Jagielski StringEntryIdentifier pMatchingEntry = findMatchingEntry( aSearchTemp, *m_pData ); 150*b1cdbd2cSJim Jagielski OSL_TRACE( "QuickSelectionEngine::HandleKeyEvent: found %p", pMatchingEntry ); 151*b1cdbd2cSJim Jagielski if ( !pMatchingEntry && ( aSearchTemp.Len() > 1 ) && !!m_pData->aSingleSearchChar ) 152*b1cdbd2cSJim Jagielski { 153*b1cdbd2cSJim Jagielski // if there's only one letter in the search string, use a different search mode 154*b1cdbd2cSJim Jagielski aSearchTemp = *m_pData->aSingleSearchChar; 155*b1cdbd2cSJim Jagielski pMatchingEntry = findMatchingEntry( aSearchTemp, *m_pData ); 156*b1cdbd2cSJim Jagielski } 157*b1cdbd2cSJim Jagielski 158*b1cdbd2cSJim Jagielski if ( pMatchingEntry ) 159*b1cdbd2cSJim Jagielski { 160*b1cdbd2cSJim Jagielski m_pData->rEntryList.SelectEntry( pMatchingEntry ); 161*b1cdbd2cSJim Jagielski m_pData->aSearchTimeout.Start(); 162*b1cdbd2cSJim Jagielski } 163*b1cdbd2cSJim Jagielski else 164*b1cdbd2cSJim Jagielski { 165*b1cdbd2cSJim Jagielski lcl_reset( *m_pData ); 166*b1cdbd2cSJim Jagielski } 167*b1cdbd2cSJim Jagielski 168*b1cdbd2cSJim Jagielski return true; 169*b1cdbd2cSJim Jagielski } 170*b1cdbd2cSJim Jagielski return false; 171*b1cdbd2cSJim Jagielski } 172*b1cdbd2cSJim Jagielski 173*b1cdbd2cSJim Jagielski //-------------------------------------------------------------------- Reset()174*b1cdbd2cSJim Jagielski void QuickSelectionEngine::Reset() 175*b1cdbd2cSJim Jagielski { 176*b1cdbd2cSJim Jagielski lcl_reset( *m_pData ); 177*b1cdbd2cSJim Jagielski } 178*b1cdbd2cSJim Jagielski 179*b1cdbd2cSJim Jagielski //........................................................................ 180*b1cdbd2cSJim Jagielski } // namespace vcl 181*b1cdbd2cSJim Jagielski //........................................................................ 182