mirror of
https://github.com/xiaoyifang/goldendict-ng.git
synced 2024-11-27 19:24:08 +00:00
732 lines
21 KiB
C++
732 lines
21 KiB
C++
/* This file is (c) 2014 Abs62
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* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
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#include "fulltextsearch.hh"
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#include "ftshelpers.hh"
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#include "gddebug.hh"
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#include "mainwindow.hh"
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#include "utils.hh"
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#include <QThreadPool>
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#include <QIntValidator>
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#include <QMessageBox>
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#include <qalgorithms.h>
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#if defined( Q_OS_WIN32 )
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#include "initializing.hh"
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#include <qt_windows.h>
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#include <uxtheme.h>
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#endif
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namespace FTS
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{
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enum
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{
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MinDistanceBetweenWords = 0,
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MaxDistanceBetweenWords = 15,
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MinArticlesPerDictionary = 1,
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MaxArticlesPerDictionary = 10000
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};
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void Indexing::run()
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{
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try
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{
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// First iteration - dictionaries with no more MaxDictionarySizeForFastSearch articles
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for( size_t x = 0; x < dictionaries.size(); x++ )
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{
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if( Utils::AtomicInt::loadAcquire( isCancelled ) )
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break;
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if( dictionaries.at( x )->canFTS()
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&&!dictionaries.at( x )->haveFTSIndex() )
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{
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emit sendNowIndexingName( QString::fromUtf8( dictionaries.at( x )->getName().c_str() ) );
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dictionaries.at( x )->makeFTSIndex( isCancelled, true );
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}
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}
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// Second iteration - all remaining dictionaries
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for( size_t x = 0; x < dictionaries.size(); x++ )
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{
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if( Utils::AtomicInt::loadAcquire( isCancelled ) )
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break;
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if( dictionaries.at( x )->canFTS()
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&&!dictionaries.at( x )->haveFTSIndex() )
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{
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emit sendNowIndexingName( QString::fromUtf8( dictionaries.at( x )->getName().c_str() ) );
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dictionaries.at( x )->makeFTSIndex( isCancelled, false );
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}
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}
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}
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catch( std::exception &ex )
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{
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gdWarning( "Exception occured while full-text search: %s", ex.what() );
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}
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emit sendNowIndexingName( QString() );
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}
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FtsIndexing::FtsIndexing( std::vector< sptr< Dictionary::Class > > const & dicts):
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dictionaries( dicts ),
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started( false )
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{
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}
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void FtsIndexing::doIndexing()
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{
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if( started )
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stopIndexing();
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if( !started )
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{
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while( Utils::AtomicInt::loadAcquire( isCancelled ) )
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isCancelled.deref();
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Indexing *idx = new Indexing( isCancelled, dictionaries, indexingExited );
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connect( idx, SIGNAL( sendNowIndexingName( QString ) ), this, SLOT( setNowIndexedName( QString ) ) );
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QThreadPool::globalInstance()->start( idx );
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started = true;
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}
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}
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void FtsIndexing::stopIndexing()
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{
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if( started )
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{
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if( !Utils::AtomicInt::loadAcquire( isCancelled ) )
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isCancelled.ref();
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indexingExited.acquire();
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started = false;
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setNowIndexedName( QString() );
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}
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}
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void FtsIndexing::setNowIndexedName( QString name )
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{
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{
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Mutex::Lock _( nameMutex );
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nowIndexing = name;
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}
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emit newIndexingName( name );
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}
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QString FtsIndexing::nowIndexingName()
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{
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Mutex::Lock _( nameMutex );
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return nowIndexing;
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}
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FullTextSearchDialog::FullTextSearchDialog( QWidget * parent,
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Config::Class & cfg_,
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std::vector< sptr< Dictionary::Class > > const & dictionaries_,
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std::vector< Instances::Group > const & groups_,
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FtsIndexing & ftsidx ) :
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QDialog( parent ),
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cfg( cfg_ ),
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dictionaries( dictionaries_ ),
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groups( groups_ ),
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group( 0 ),
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ignoreWordsOrder( cfg_.preferences.fts.ignoreWordsOrder ),
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ignoreDiacritics( cfg_.preferences.fts.ignoreDiacritics ),
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ftsIdx( ftsidx )
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, helpAction( this )
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{
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ui.setupUi( this );
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setAttribute( Qt::WA_DeleteOnClose, false );
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setWindowFlags( windowFlags() & ~Qt::WindowContextHelpButtonHint );
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setWindowTitle( tr( "Full-text search" ) );
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if( cfg.preferences.fts.dialogGeometry.size() > 0 )
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restoreGeometry( cfg.preferences.fts.dialogGeometry );
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setNewIndexingName( ftsIdx.nowIndexingName() );
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connect( &ftsIdx, SIGNAL( newIndexingName( QString ) ),
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this, SLOT( setNewIndexingName( QString ) ) );
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ui.searchMode->addItem( tr( "Whole words" ), WholeWords );
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ui.searchMode->addItem( tr( "Plain text"), PlainText );
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ui.searchMode->addItem( tr( "Wildcards" ), Wildcards );
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ui.searchMode->addItem( tr( "RegExp" ), RegExp );
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ui.searchMode->setCurrentIndex( cfg.preferences.fts.searchMode );
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ui.searchProgressBar->hide();
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ui.checkBoxDistanceBetweenWords->setText( tr( "Max distance between words (%1-%2):" )
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.arg( QString::number( MinDistanceBetweenWords ) )
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.arg( QString::number( MaxDistanceBetweenWords ) ) );
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ui.checkBoxDistanceBetweenWords->setChecked( cfg.preferences.fts.useMaxDistanceBetweenWords );
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ui.distanceBetweenWords->setMinimum( MinDistanceBetweenWords );
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ui.distanceBetweenWords->setMaximum( MaxDistanceBetweenWords );
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ui.distanceBetweenWords->setValue( cfg.preferences.fts.maxDistanceBetweenWords );
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ui.checkBoxArticlesPerDictionary->setText( tr( "Max articles per dictionary (%1-%2):" )
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.arg( QString::number( MinArticlesPerDictionary ) )
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.arg( QString::number( MaxArticlesPerDictionary ) ) );
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ui.checkBoxArticlesPerDictionary->setChecked( cfg.preferences.fts.useMaxArticlesPerDictionary );
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ui.articlesPerDictionary->setMinimum( MinArticlesPerDictionary );
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ui.articlesPerDictionary->setMaximum( MaxArticlesPerDictionary );
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ui.articlesPerDictionary->setValue( cfg.preferences.fts.maxArticlesPerDictionary );
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int mode = ui.searchMode->itemData( ui.searchMode->currentIndex() ).toInt();
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if( mode == WholeWords || mode == PlainText )
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{
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ui.checkBoxIgnoreWordOrder->setChecked( ignoreWordsOrder );
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ui.checkBoxIgnoreWordOrder->setEnabled( true );
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}
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else
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{
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ui.checkBoxIgnoreWordOrder->setChecked( false );
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ui.checkBoxIgnoreWordOrder->setEnabled( false );
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}
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ui.checkBoxIgnoreDiacritics->setChecked( ignoreDiacritics );
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ui.matchCase->setChecked( cfg.preferences.fts.matchCase );
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setLimitsUsing();
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connect( ui.checkBoxDistanceBetweenWords, SIGNAL( stateChanged( int ) ),
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this, SLOT( setLimitsUsing() ) );
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connect( ui.checkBoxArticlesPerDictionary, SIGNAL( stateChanged( int ) ),
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this, SLOT( setLimitsUsing() ) );
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connect( ui.searchMode, SIGNAL( currentIndexChanged( int ) ),
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this, SLOT( setLimitsUsing() ) );
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connect( ui.checkBoxIgnoreWordOrder, SIGNAL( stateChanged( int ) ),
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this, SLOT( ignoreWordsOrderClicked() ) );
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connect( ui.checkBoxIgnoreDiacritics, SIGNAL( stateChanged( int ) ),
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this, SLOT( ignoreDiacriticsClicked() ) );
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model = new HeadwordsListModel( this, results, activeDicts );
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ui.headwordsView->setModel( model );
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ui.articlesFoundLabel->setText( tr( "Articles found: " ) + "0" );
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connect( ui.headwordsView, SIGNAL( clicked( QModelIndex ) ),
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this, SLOT( itemClicked( QModelIndex ) ) );
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connect( this, SIGNAL( finished( int ) ), this, SLOT( saveData() ) );
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connect( ui.OKButton, SIGNAL( clicked() ), this, SLOT( accept() ) );
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connect( ui.cancelButton, SIGNAL( clicked() ), this, SLOT( reject() ) );
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connect( ui.helpButton, SIGNAL( clicked() ),
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this, SLOT( helpRequested() ) );
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helpAction.setShortcut( QKeySequence( "F1" ) );
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helpAction.setShortcutContext( Qt::WidgetWithChildrenShortcut );
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connect( &helpAction, SIGNAL( triggered() ),
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this, SLOT( helpRequested() ) );
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addAction( &helpAction );
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ui.headwordsView->installEventFilter( this );
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delegate = new WordListItemDelegate( ui.headwordsView->itemDelegate() );
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if( delegate )
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ui.headwordsView->setItemDelegate( delegate );
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#if defined( Q_OS_WIN32 )
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// Style "windowsvista" in Qt5 turn off progress bar animation for classic appearance
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// We use simply "windows" style instead for this case
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oldBarStyle = 0;
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if( QSysInfo::windowsVersion() >= QSysInfo::WV_VISTA
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&& ( QSysInfo::windowsVersion() & QSysInfo::WV_NT_based )
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&& !IsThemeActive() )
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{
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QStyle * barStyle = WindowsStyle::instance().getStyle();
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if( barStyle )
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{
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oldBarStyle = ui.searchProgressBar->style();
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ui.searchProgressBar->setStyle( barStyle );
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}
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}
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#endif
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ui.searchLine->setText( static_cast< MainWindow * >( parent )->getTranslateLineText() );
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ui.searchLine->selectAll();
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}
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FullTextSearchDialog::~FullTextSearchDialog()
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{
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if( delegate )
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delegate->deleteLater();
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#if defined( Q_OS_WIN32 )
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if( oldBarStyle )
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ui.searchProgressBar->setStyle( oldBarStyle );
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#endif
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}
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void FullTextSearchDialog::stopSearch()
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{
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if( !searchReqs.empty() )
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{
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for( std::list< sptr< Dictionary::DataRequest > >::iterator it = searchReqs.begin();
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it != searchReqs.end(); ++it )
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if( !(*it)->isFinished() )
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(*it)->cancel();
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while( searchReqs.size() )
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QApplication::processEvents();
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}
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}
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void FullTextSearchDialog::showDictNumbers()
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{
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ui.totalDicts->setText( QString::number( activeDicts.size() ) );
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unsigned ready = 0, toIndex = 0;
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for( unsigned x = 0; x < activeDicts.size(); x++ )
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{
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if( activeDicts.at( x )->haveFTSIndex() )
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ready++;
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else
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toIndex++;
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}
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ui.readyDicts->setText( QString::number( ready ) );
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ui.toIndexDicts->setText( QString::number( toIndex ) );
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}
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void FullTextSearchDialog::saveData()
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{
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cfg.preferences.fts.searchMode = ui.searchMode->currentIndex();
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cfg.preferences.fts.matchCase = ui.matchCase->isChecked();
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cfg.preferences.fts.maxArticlesPerDictionary = ui.articlesPerDictionary->text().toInt();
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cfg.preferences.fts.maxDistanceBetweenWords = ui.distanceBetweenWords->text().toInt();
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cfg.preferences.fts.useMaxDistanceBetweenWords = ui.checkBoxDistanceBetweenWords->isChecked();
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cfg.preferences.fts.useMaxArticlesPerDictionary = ui.checkBoxArticlesPerDictionary->isChecked();
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cfg.preferences.fts.ignoreWordsOrder = ignoreWordsOrder;
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cfg.preferences.fts.ignoreDiacritics = ignoreDiacritics;
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cfg.preferences.fts.dialogGeometry = saveGeometry();
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}
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void FullTextSearchDialog::setNewIndexingName( QString name )
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{
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ui.nowIndexingLabel->setText( tr( "Now indexing: " )
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+ ( name.isEmpty() ? tr( "None" ) : name ) );
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showDictNumbers();
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}
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void FullTextSearchDialog::setLimitsUsing()
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{
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int mode = ui.searchMode->itemData( ui.searchMode->currentIndex() ).toInt();
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if( mode == WholeWords || mode == PlainText )
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{
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ui.checkBoxDistanceBetweenWords->setEnabled( true );
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ui.distanceBetweenWords->setEnabled( ui.checkBoxDistanceBetweenWords->isChecked() );
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ui.checkBoxIgnoreWordOrder->setChecked( ignoreWordsOrder );
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ui.checkBoxIgnoreWordOrder->setEnabled( true );
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}
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else
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{
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ui.checkBoxIgnoreWordOrder->setEnabled( false );
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ui.checkBoxIgnoreWordOrder->setChecked( false );
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ui.checkBoxDistanceBetweenWords->setEnabled( false );
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ui.distanceBetweenWords->setEnabled( false );
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}
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ui.articlesPerDictionary->setEnabled( ui.checkBoxArticlesPerDictionary->isChecked() );
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}
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void FullTextSearchDialog::ignoreWordsOrderClicked()
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{
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ignoreWordsOrder = ui.checkBoxIgnoreWordOrder->isChecked();
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}
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void FullTextSearchDialog::ignoreDiacriticsClicked()
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{
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ignoreDiacritics = ui.checkBoxIgnoreDiacritics->isChecked();
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}
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void FullTextSearchDialog::accept()
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{
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QStringList list1, list2;
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int mode = ui.searchMode->itemData( ui.searchMode->currentIndex() ).toInt();
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int maxResultsPerDict = ui.checkBoxArticlesPerDictionary->isChecked() ?
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ui.articlesPerDictionary->value() : -1;
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int distanceBetweenWords = ui.checkBoxDistanceBetweenWords->isChecked() ?
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ui.distanceBetweenWords->value() : -1;
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model->clear();
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ui.articlesFoundLabel->setText( tr( "Articles found: " ) + QString::number( results.size() ) );
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bool hasCJK;
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if( !FtsHelpers::parseSearchString( ui.searchLine->text(), list1, list2,
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searchRegExp, mode,
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ui.matchCase->isChecked(),
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distanceBetweenWords,
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hasCJK ) )
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{
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if( hasCJK && ( mode == WholeWords || mode == PlainText ) )
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{
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QMessageBox message( QMessageBox::Warning,
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"GoldenDict",
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tr( "CJK symbols in search string are not compatible with search modes \"Whole words\" and \"Plain text\"" ),
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QMessageBox::Ok,
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this );
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message.exec();
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}
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else
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{
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QMessageBox message( QMessageBox::Warning,
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"GoldenDict",
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tr( "The search line must contains at least one word containing " )
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+ QString::number( MinimumWordSize ) + tr( " or more symbols" ),
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QMessageBox::Ok,
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this );
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message.exec();
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}
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return;
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}
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if( activeDicts.empty() )
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{
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QMessageBox message( QMessageBox::Warning,
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"GoldenDict",
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tr( "No dictionaries for full-text search" ),
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QMessageBox::Ok,
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this );
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message.exec();
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return;
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}
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ui.OKButton->setEnabled( false );
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ui.searchProgressBar->show();
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// Make search requests
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for( unsigned x = 0; x < activeDicts.size(); ++x )
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{
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sptr< Dictionary::DataRequest > req = activeDicts[ x ]->getSearchResults(
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ui.searchLine->text(),
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mode,
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ui.matchCase->isChecked(),
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distanceBetweenWords,
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maxResultsPerDict,
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ignoreWordsOrder,
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ignoreDiacritics
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);
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connect( req.get(), SIGNAL( finished() ),
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this, SLOT( searchReqFinished() ), Qt::QueuedConnection );
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searchReqs.push_back( req );
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}
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searchReqFinished(); // Handle any ones which have already finished
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}
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void FullTextSearchDialog::searchReqFinished()
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{
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while ( searchReqs.size() )
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{
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std::list< sptr< Dictionary::DataRequest > >::iterator it;
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for( it = searchReqs.begin(); it != searchReqs.end(); ++it )
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{
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if ( (*it)->isFinished() )
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{
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GD_DPRINTF( "one finished.\n" );
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QString errorString = (*it)->getErrorString();
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if ( (*it)->dataSize() >= 0 || errorString.size() )
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{
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QList< FtsHeadword > * headwords;
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if( (unsigned)(*it)->dataSize() >= sizeof( headwords ) )
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{
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try
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{
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(*it)->getDataSlice( 0, sizeof( headwords ), &headwords );
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model->addResults( QModelIndex(), *headwords );
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delete headwords;
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ui.articlesFoundLabel->setText( tr( "Articles found: " )
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+ QString::number( results.size() ) );
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}
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catch( std::exception & e )
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{
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gdWarning( "getDataSlice error: %s\n", e.what() );
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}
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}
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}
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break;
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}
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}
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if( it != searchReqs.end() )
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{
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GD_DPRINTF( "erasing..\n" );
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searchReqs.erase( it );
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GD_DPRINTF( "erase done..\n" );
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continue;
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}
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else
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break;
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}
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if ( searchReqs.empty() )
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{
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ui.searchProgressBar->hide();
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ui.OKButton->setEnabled( true );
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QApplication::beep();
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}
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}
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void FullTextSearchDialog::reject()
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{
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if( !searchReqs.empty() )
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stopSearch();
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else
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{
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saveData();
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emit closeDialog();
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}
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}
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void FullTextSearchDialog::itemClicked( const QModelIndex & idx )
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{
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if( idx.isValid() && idx.row() < results.size() )
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{
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QString headword = results[ idx.row() ].headword;
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QRegExp reg;
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if( !results[ idx.row() ].foundHiliteRegExps.isEmpty() )
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{
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reg = QRegExp( results[ idx.row() ].foundHiliteRegExps.join( "|"),
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results[ idx.row() ].matchCase ? Qt::CaseSensitive : Qt::CaseInsensitive,
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QRegExp::RegExp2 );
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reg.setMinimal( true );
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}
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else
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reg = searchRegExp;
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emit showTranslationFor( headword, results[ idx.row() ].dictIDs, reg, ignoreDiacritics );
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}
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}
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void FullTextSearchDialog::updateDictionaries()
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{
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activeDicts.clear();
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// Find the given group
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Instances::Group const * activeGroup = 0;
|
|
|
|
for( unsigned x = 0; x < groups.size(); ++x )
|
|
if ( groups[ x ].id == group )
|
|
{
|
|
activeGroup = &groups[ x ];
|
|
break;
|
|
}
|
|
|
|
// If we've found a group, use its dictionaries; otherwise, use the global
|
|
// heap.
|
|
std::vector< sptr< Dictionary::Class > > const & groupDicts =
|
|
activeGroup ? activeGroup->dictionaries : dictionaries;
|
|
|
|
// Exclude muted dictionaries
|
|
|
|
Config::Group const * grp = cfg.getGroup( group );
|
|
Config::MutedDictionaries const * mutedDicts;
|
|
|
|
if( group == Instances::Group::AllGroupId )
|
|
mutedDicts = &cfg.mutedDictionaries;
|
|
else
|
|
mutedDicts = grp ? &grp->mutedDictionaries : 0;
|
|
|
|
if( mutedDicts && !mutedDicts->isEmpty() )
|
|
{
|
|
activeDicts.reserve( groupDicts.size() );
|
|
for( unsigned x = 0; x < groupDicts.size(); ++x )
|
|
if ( groupDicts[ x ]->canFTS()
|
|
&& !mutedDicts->contains( QString::fromStdString( groupDicts[ x ]->getId() ) )
|
|
)
|
|
activeDicts.push_back( groupDicts[ x ] );
|
|
}
|
|
else
|
|
{
|
|
for( unsigned x = 0; x < groupDicts.size(); ++x )
|
|
if ( groupDicts[ x ]->canFTS() )
|
|
activeDicts.push_back( groupDicts[ x ] );
|
|
}
|
|
|
|
showDictNumbers();
|
|
}
|
|
|
|
bool FullTextSearchDialog::eventFilter( QObject * obj, QEvent * ev )
|
|
{
|
|
if( obj == ui.headwordsView && ev->type() == QEvent::KeyPress )
|
|
{
|
|
QKeyEvent * kev = static_cast< QKeyEvent * >( ev );
|
|
if( kev->key() == Qt::Key_Return || kev->key() == Qt::Key_Enter )
|
|
{
|
|
itemClicked( ui.headwordsView->currentIndex() );
|
|
return true;
|
|
}
|
|
}
|
|
return QDialog::eventFilter( obj, ev );
|
|
}
|
|
|
|
void FullTextSearchDialog::helpRequested()
|
|
{
|
|
MainWindow * mainWindow = qobject_cast< MainWindow * >( parentWidget() );
|
|
if( mainWindow )
|
|
mainWindow->showGDHelpForID( "Full-text search" );
|
|
}
|
|
|
|
/// HeadwordsListModel
|
|
|
|
int HeadwordsListModel::rowCount( QModelIndex const & ) const
|
|
{
|
|
return headwords.size();
|
|
}
|
|
|
|
QVariant HeadwordsListModel::data( QModelIndex const & index, int role ) const
|
|
{
|
|
if( index.row() < 0 )
|
|
return QVariant();
|
|
|
|
FtsHeadword const & head = headwords[ index.row() ];
|
|
|
|
if ( head.headword.isEmpty() )
|
|
return QVariant();
|
|
|
|
switch ( role )
|
|
{
|
|
case Qt::ToolTipRole:
|
|
{
|
|
QString tt;
|
|
for( int x = 0; x < head.dictIDs.size(); x++ )
|
|
{
|
|
if( x != 0 )
|
|
tt += "<br>";
|
|
|
|
int n = getDictIndex( head.dictIDs[ x ] );
|
|
if( n != -1 )
|
|
tt += QString::fromUtf8( dictionaries[ n ]->getName().c_str() ) ;
|
|
}
|
|
return tt;
|
|
}
|
|
|
|
case Qt::DisplayRole :
|
|
return head.headword;
|
|
|
|
case Qt::EditRole :
|
|
return head.headword;
|
|
|
|
default:;
|
|
}
|
|
|
|
return QVariant();
|
|
}
|
|
|
|
void HeadwordsListModel::addResults(const QModelIndex & parent, QList< FtsHeadword > const & hws )
|
|
{
|
|
Q_UNUSED( parent );
|
|
beginResetModel();
|
|
|
|
QList< FtsHeadword > temp;
|
|
|
|
for( int x = 0; x < hws.length(); x++ )
|
|
{
|
|
QList< FtsHeadword >::iterator it = std::lower_bound( headwords.begin(), headwords.end(), hws.at( x ) );
|
|
if( it != headwords.end() )
|
|
{
|
|
it->dictIDs.push_back( hws.at( x ).dictIDs.front() );
|
|
for( QStringList::const_iterator itr = it->foundHiliteRegExps.constBegin();
|
|
itr != it->foundHiliteRegExps.constEnd(); ++itr )
|
|
{
|
|
if( !it->foundHiliteRegExps.contains( *itr ) )
|
|
it->foundHiliteRegExps.append( *itr );
|
|
}
|
|
}
|
|
else
|
|
temp.append( hws.at( x ) );
|
|
}
|
|
|
|
headwords.append( temp );
|
|
std::sort( headwords.begin(), headwords.end() );
|
|
|
|
endResetModel();
|
|
emit contentChanged();
|
|
}
|
|
|
|
bool HeadwordsListModel::clear()
|
|
{
|
|
beginResetModel();
|
|
|
|
headwords.clear();
|
|
|
|
endResetModel();
|
|
|
|
emit contentChanged();
|
|
|
|
return true;
|
|
}
|
|
|
|
int HeadwordsListModel::getDictIndex( QString const & id ) const
|
|
{
|
|
std::string dictID( id.toUtf8().data() );
|
|
for( unsigned x = 0; x < dictionaries.size(); x++ )
|
|
{
|
|
if( dictionaries[ x ]->getId().compare( dictID ) == 0 )
|
|
return x;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
QString FtsHeadword::trimQuotes( QString const & str ) const
|
|
{
|
|
QString trimmed( str );
|
|
|
|
int n = 0;
|
|
while( str[ n ] == '\"' || str[ n ] == '\'' )
|
|
n++;
|
|
if( n )
|
|
trimmed = trimmed.mid( n );
|
|
|
|
while( trimmed.endsWith( '\"' ) || trimmed.endsWith( '\'' ) )
|
|
trimmed.chop( 1 );
|
|
|
|
return trimmed;
|
|
}
|
|
|
|
bool FtsHeadword::operator <( FtsHeadword const & other ) const
|
|
{
|
|
QString first = trimQuotes( headword );
|
|
QString second = trimQuotes( other.headword );
|
|
|
|
int result = first.localeAwareCompare( second );
|
|
if( result )
|
|
return result < 0;
|
|
|
|
// Headwords without quotes are equal
|
|
|
|
if( first.size() != headword.size() || second.size() != other.headword.size() )
|
|
return headword.localeAwareCompare( other.headword ) < 0;
|
|
|
|
return false;
|
|
}
|
|
|
|
} // namespace FTS
|