Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 115 insertions, 0 deletions

diff --git a/kspell2/backgroundthread.cpp b/kspell2/backgroundthread.cpp
new file mode 100644
index 000000000..ffa5d0d8a
--- /dev/null
+++ b/kspell2/backgroundthread.cpp
@@ -0,0 +1,115 @@
+/**
+ * backgroundthread.cpp
+ *
+ * Copyright (C)  2004  Zack Rusin <zack@kde.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301  USA
+ */
+#include "backgroundthread.h"
+
+#include "threadevents.h"
+#include "broker.h"
+#include "filter.h"
+#include "dictionary.h"
+
+#include <kdebug.h>
+#include <qapplication.h>
+
+using namespace KSpell2;
+
+BackgroundThread::BackgroundThread()
+    : QThread(), m_broker( 0 ), m_dict( 0 )
+{
+    m_recv   = 0;
+    m_filter = Filter::defaultFilter();
+    m_done   = false;
+}
+
+void BackgroundThread::setReceiver( QObject *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();
+}
+
+QStringList BackgroundThread::suggest( const QString& 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 );
+            QApplication::postEvent( m_recv, event );
+        }
+    }
+    m_mutex.unlock();
+    FinishedCheckingEvent *event = new FinishedCheckingEvent();
+    QApplication::postEvent( m_recv, event );
+}
+
+void BackgroundThread::setText( const QString& 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( QString::null );
+    }
+    m_mutex.unlock();
+    start();
+}
+
+void BackgroundThread::changeLanguage( const QString& 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();
+}