1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3*cdf0e10cSrcweir * 4*cdf0e10cSrcweir * Copyright 2009 by Sun Microsystems, Inc. 5*cdf0e10cSrcweir * 6*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 7*cdf0e10cSrcweir * 8*cdf0e10cSrcweir * This file is part of OpenOffice.org. 9*cdf0e10cSrcweir * 10*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 11*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 12*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 13*cdf0e10cSrcweir * 14*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 15*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 16*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 18*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 19*cdf0e10cSrcweir * 20*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 21*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 22*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 23*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 24*cdf0e10cSrcweir ************************************************************************/ 25*cdf0e10cSrcweir 26*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 27*cdf0e10cSrcweir #include "precompiled_vcl.hxx" 28*cdf0e10cSrcweir 29*cdf0e10cSrcweir #include "vcl/quickselectionengine.hxx" 30*cdf0e10cSrcweir #include "vcl/event.hxx" 31*cdf0e10cSrcweir #include "vcl/timer.hxx" 32*cdf0e10cSrcweir #include "vcl/i18nhelp.hxx" 33*cdf0e10cSrcweir #include "vcl/svapp.hxx" 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir #include <boost/optional.hpp> 36*cdf0e10cSrcweir 37*cdf0e10cSrcweir //........................................................................ 38*cdf0e10cSrcweir namespace vcl 39*cdf0e10cSrcweir { 40*cdf0e10cSrcweir //........................................................................ 41*cdf0e10cSrcweir 42*cdf0e10cSrcweir //==================================================================== 43*cdf0e10cSrcweir //= QuickSelectionEngine_Data 44*cdf0e10cSrcweir //==================================================================== 45*cdf0e10cSrcweir struct QuickSelectionEngine_Data 46*cdf0e10cSrcweir { 47*cdf0e10cSrcweir ISearchableStringList& rEntryList; 48*cdf0e10cSrcweir String sCurrentSearchString; 49*cdf0e10cSrcweir ::boost::optional< sal_Unicode > aSingleSearchChar; 50*cdf0e10cSrcweir Timer aSearchTimeout; 51*cdf0e10cSrcweir 52*cdf0e10cSrcweir QuickSelectionEngine_Data( ISearchableStringList& _entryList ) 53*cdf0e10cSrcweir :rEntryList( _entryList ) 54*cdf0e10cSrcweir ,sCurrentSearchString() 55*cdf0e10cSrcweir ,aSingleSearchChar() 56*cdf0e10cSrcweir ,aSearchTimeout() 57*cdf0e10cSrcweir { 58*cdf0e10cSrcweir aSearchTimeout.SetTimeout( 2500 ); 59*cdf0e10cSrcweir aSearchTimeout.SetTimeoutHdl( LINK( this, QuickSelectionEngine_Data, SearchStringTimeout ) ); 60*cdf0e10cSrcweir } 61*cdf0e10cSrcweir 62*cdf0e10cSrcweir ~QuickSelectionEngine_Data() 63*cdf0e10cSrcweir { 64*cdf0e10cSrcweir aSearchTimeout.Stop(); 65*cdf0e10cSrcweir } 66*cdf0e10cSrcweir 67*cdf0e10cSrcweir DECL_LINK( SearchStringTimeout, Timer* ); 68*cdf0e10cSrcweir }; 69*cdf0e10cSrcweir 70*cdf0e10cSrcweir //-------------------------------------------------------------------- 71*cdf0e10cSrcweir namespace 72*cdf0e10cSrcweir { 73*cdf0e10cSrcweir static void lcl_reset( QuickSelectionEngine_Data& _data ) 74*cdf0e10cSrcweir { 75*cdf0e10cSrcweir _data.sCurrentSearchString.Erase(); 76*cdf0e10cSrcweir _data.aSingleSearchChar.reset(); 77*cdf0e10cSrcweir _data.aSearchTimeout.Stop(); 78*cdf0e10cSrcweir } 79*cdf0e10cSrcweir } 80*cdf0e10cSrcweir 81*cdf0e10cSrcweir //-------------------------------------------------------------------- 82*cdf0e10cSrcweir IMPL_LINK( QuickSelectionEngine_Data, SearchStringTimeout, Timer*, /*EMPTYARG*/ ) 83*cdf0e10cSrcweir { 84*cdf0e10cSrcweir lcl_reset( *this ); 85*cdf0e10cSrcweir return 1; 86*cdf0e10cSrcweir } 87*cdf0e10cSrcweir 88*cdf0e10cSrcweir //-------------------------------------------------------------------- 89*cdf0e10cSrcweir static StringEntryIdentifier findMatchingEntry( const String& _searchString, QuickSelectionEngine_Data& _engineData ) 90*cdf0e10cSrcweir { 91*cdf0e10cSrcweir const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetLocaleI18nHelper(); 92*cdf0e10cSrcweir // TODO: do we really need the Window's settings here? The original code used it ... 93*cdf0e10cSrcweir 94*cdf0e10cSrcweir String sEntryText; 95*cdf0e10cSrcweir // get the "current + 1" entry 96*cdf0e10cSrcweir StringEntryIdentifier pSearchEntry = _engineData.rEntryList.CurrentEntry( sEntryText ); 97*cdf0e10cSrcweir if ( pSearchEntry ) 98*cdf0e10cSrcweir pSearchEntry = _engineData.rEntryList.NextEntry( pSearchEntry, sEntryText ); 99*cdf0e10cSrcweir // loop 'til we find another matching entry 100*cdf0e10cSrcweir StringEntryIdentifier pStartedWith = pSearchEntry; 101*cdf0e10cSrcweir while ( pSearchEntry ) 102*cdf0e10cSrcweir { 103*cdf0e10cSrcweir if ( rI18nHelper.MatchString( _searchString, sEntryText ) != 0 ) 104*cdf0e10cSrcweir break; 105*cdf0e10cSrcweir 106*cdf0e10cSrcweir pSearchEntry = _engineData.rEntryList.NextEntry( pSearchEntry, sEntryText ); 107*cdf0e10cSrcweir if ( pSearchEntry == pStartedWith ) 108*cdf0e10cSrcweir pSearchEntry = NULL; 109*cdf0e10cSrcweir } 110*cdf0e10cSrcweir 111*cdf0e10cSrcweir return pSearchEntry; 112*cdf0e10cSrcweir } 113*cdf0e10cSrcweir 114*cdf0e10cSrcweir //==================================================================== 115*cdf0e10cSrcweir //= QuickSelectionEngine 116*cdf0e10cSrcweir //==================================================================== 117*cdf0e10cSrcweir //-------------------------------------------------------------------- 118*cdf0e10cSrcweir QuickSelectionEngine::QuickSelectionEngine( ISearchableStringList& _entryList ) 119*cdf0e10cSrcweir :m_pData( new QuickSelectionEngine_Data( _entryList ) ) 120*cdf0e10cSrcweir { 121*cdf0e10cSrcweir } 122*cdf0e10cSrcweir 123*cdf0e10cSrcweir //-------------------------------------------------------------------- 124*cdf0e10cSrcweir QuickSelectionEngine::~QuickSelectionEngine() 125*cdf0e10cSrcweir { 126*cdf0e10cSrcweir } 127*cdf0e10cSrcweir 128*cdf0e10cSrcweir //-------------------------------------------------------------------- 129*cdf0e10cSrcweir bool QuickSelectionEngine::HandleKeyEvent( const KeyEvent& _keyEvent ) 130*cdf0e10cSrcweir { 131*cdf0e10cSrcweir xub_Unicode c = _keyEvent.GetCharCode(); 132*cdf0e10cSrcweir 133*cdf0e10cSrcweir if ( ( c >= 32 ) && ( c != 127 ) && !_keyEvent.GetKeyCode().IsMod2() ) 134*cdf0e10cSrcweir { 135*cdf0e10cSrcweir m_pData->sCurrentSearchString += c; 136*cdf0e10cSrcweir OSL_TRACE( "QuickSelectionEngine::HandleKeyEvent: searching for %s", ByteString( m_pData->sCurrentSearchString, RTL_TEXTENCODING_UTF8 ).GetBuffer() ); 137*cdf0e10cSrcweir 138*cdf0e10cSrcweir if ( m_pData->sCurrentSearchString.Len() == 1 ) 139*cdf0e10cSrcweir { // first character in the search -> remmeber 140*cdf0e10cSrcweir m_pData->aSingleSearchChar.reset( c ); 141*cdf0e10cSrcweir } 142*cdf0e10cSrcweir else if ( m_pData->sCurrentSearchString.Len() > 1 ) 143*cdf0e10cSrcweir { 144*cdf0e10cSrcweir if ( !!m_pData->aSingleSearchChar && ( *m_pData->aSingleSearchChar != c ) ) 145*cdf0e10cSrcweir // we already have a "single char", but the current one is different -> reset 146*cdf0e10cSrcweir m_pData->aSingleSearchChar.reset(); 147*cdf0e10cSrcweir } 148*cdf0e10cSrcweir 149*cdf0e10cSrcweir XubString aSearchTemp( m_pData->sCurrentSearchString ); 150*cdf0e10cSrcweir 151*cdf0e10cSrcweir StringEntryIdentifier pMatchingEntry = findMatchingEntry( aSearchTemp, *m_pData ); 152*cdf0e10cSrcweir OSL_TRACE( "QuickSelectionEngine::HandleKeyEvent: found %p", pMatchingEntry ); 153*cdf0e10cSrcweir if ( !pMatchingEntry && ( aSearchTemp.Len() > 1 ) && !!m_pData->aSingleSearchChar ) 154*cdf0e10cSrcweir { 155*cdf0e10cSrcweir // if there's only one letter in the search string, use a different search mode 156*cdf0e10cSrcweir aSearchTemp = *m_pData->aSingleSearchChar; 157*cdf0e10cSrcweir pMatchingEntry = findMatchingEntry( aSearchTemp, *m_pData ); 158*cdf0e10cSrcweir } 159*cdf0e10cSrcweir 160*cdf0e10cSrcweir if ( pMatchingEntry ) 161*cdf0e10cSrcweir { 162*cdf0e10cSrcweir m_pData->rEntryList.SelectEntry( pMatchingEntry ); 163*cdf0e10cSrcweir m_pData->aSearchTimeout.Start(); 164*cdf0e10cSrcweir } 165*cdf0e10cSrcweir else 166*cdf0e10cSrcweir { 167*cdf0e10cSrcweir lcl_reset( *m_pData ); 168*cdf0e10cSrcweir } 169*cdf0e10cSrcweir 170*cdf0e10cSrcweir return true; 171*cdf0e10cSrcweir } 172*cdf0e10cSrcweir return false; 173*cdf0e10cSrcweir } 174*cdf0e10cSrcweir 175*cdf0e10cSrcweir //-------------------------------------------------------------------- 176*cdf0e10cSrcweir void QuickSelectionEngine::Reset() 177*cdf0e10cSrcweir { 178*cdf0e10cSrcweir lcl_reset( *m_pData ); 179*cdf0e10cSrcweir } 180*cdf0e10cSrcweir 181*cdf0e10cSrcweir //........................................................................ 182*cdf0e10cSrcweir } // namespace vcl 183*cdf0e10cSrcweir //........................................................................ 184