backgroundthread.cpp

 
#include "backgroundthread.h"
 
#include "threadevents.h"
#include "broker.h"
#include "filter.h"
#include "dictionary.h"
 
#include <kdebug.h>
#include <tqapplication.h>
 
using namespace KSpell2;
 
BackgroundThread::BackgroundThread()
    : TQThread(), m_broker( 0 ), m_dict( 0 )
{
    m_recv   = 0;
    m_filter = Filter::defaultFilter();
    m_done   = false;
}
 
void BackgroundThread::setReceiver( TQObject *recv )
{
    m_recv = recv;
}
 
void BackgroundThread::setBroker( const Broker::Ptr& broker )
{
    stop();
    m_broker = broker;
    delete m_dict;
    m_dict   = m_broker->dictionary();
    m_filter->restart();
}
 
TQStringList BackgroundThread::suggest( const TQString& word ) const
{
    return m_dict->suggest( word );
}
 
void BackgroundThread::run()
{
    m_mutex.lock();
    m_done = false;
    for ( Word w = m_filter->nextWord(); !m_done && !w.end;
          w = m_filter->nextWord() ) {
        if ( !m_dict->check( w.word ) && !m_done ) {
            MisspellingEvent *event = new MisspellingEvent( w.word, w.start );
            TQApplication::postEvent( m_recv, event );
        }
    }
    m_mutex.unlock();
    FinishedCheckingEvent *event = new FinishedCheckingEvent();
    TQApplication::postEvent( m_recv, event );
}
 
void BackgroundThread::setText( const TQString& buff )
{
    stop();
    m_mutex.lock();
    m_filter->setBuffer( buff );
    m_mutex.unlock();
    start();
}
 
void BackgroundThread::setFilter( Filter *filter )
{
    stop();
    m_mutex.lock();
    Filter *oldFilter = m_filter;
    m_filter = filter;
    if ( oldFilter ) {
        m_filter->setBuffer( oldFilter->buffer() );
        oldFilter->setBuffer( TQString::null );
    }
    m_mutex.unlock();
    start();
}
 
void BackgroundThread::changeLanguage( const TQString& lang )
{
    stop();
    m_mutex.lock();
    delete m_dict;
    m_dict = m_broker->dictionary( lang );
    m_filter->restart();
    m_mutex.unlock();
    start();
}
 
void BackgroundThread::stop()
{
    //### maybe terminate() would be better than using m_done
    m_done = true;
    wait();
}