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125 lines
3.9 KiB
125 lines
3.9 KiB
/**
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* backgroundchecker.h
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*
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* Copyright (C) 2004 Zack Rusin <zack@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef KSPELL_BACKGROUNDCHECKER_H
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#define KSPELL_BACKGROUNDCHECKER_H
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#include "broker.h"
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class TQCustomEvent;
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namespace KSpell2
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{
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class Filter;
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/**
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*
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* BackgroundChecker is used to perform spell checking without
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* blocking the application. You can use it as is by calling
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* the checkText function or subclass it and reimplement
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* getMoreText function.
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*
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* The misspelling signal is emitted whenever a mispelled word
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* is found. The background checker stops right before emitting
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* the signal. So the parent has to call continueChecking function
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* to resume the checking.
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*
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* done signal is emitted when whole text is spell checked.
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*
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* @author Zack Rusin <zack@kde.org>
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* @short class used for spell checking in the background
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*/
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class KDE_EXPORT BackgroundChecker : public TQObject
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{
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Q_OBJECT
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public:
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BackgroundChecker( const Broker::Ptr& broker, TQObject *parent =0,
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const char *name =0 );
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~BackgroundChecker();
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/**
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* This method is used to spell check static text.
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* It automatically invokes start().
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*
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* Use getMoreText() with start() to spell check a stream.
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*/
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void checkText( const TQString& );
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Filter *filter() const;
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Broker *broker() const;
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void changeLanguage( const TQString& lang );
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bool checkWord( const TQString& word );
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TQStringList suggest( const TQString& ) const;
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bool addWord( const TQString& word );
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public slots:
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virtual void setFilter( KSpell2::Filter *filter );
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virtual void start();
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virtual void stop();
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/**
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* After emitting misspelling signal the background
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* checker stops. The catcher is responsible for calling
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* continueChecking function to resume checking.
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*/
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virtual void continueChecking();
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signals:
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/**
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* Emitted whenever a misspelled word is found
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*/
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void misspelling( const TQString& word, int start );
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/**
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* Emitted after the whole text has been spell checked.
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*/
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void done();
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protected:
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/**
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* This function is called to get the text to spell check.
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* It will be called continuesly until it returns TQString::null
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* in which case the done() singnal is emitted.
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* Note: the start parameter in mispelling() is not a combined
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* position but a position in the last string returned
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* by getMoreText. You need to store the state in the derivatives.
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*/
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virtual TQString getMoreText();
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/**
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* This function will be called whenever the background checker
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* will be finished text which it got from getMoreText.
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*/
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virtual void finishedCurrentFeed();
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protected slots:
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void slotEngineDone();
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protected:
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//void customEvent( TQCustomEvent *event );
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private:
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class Private;
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Private *d;
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};
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}
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#endif
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