Added KDE3 version of krename

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/krename@1094420 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 162 insertions, 0 deletions

diff --git a/krename/threadedlister.cpp b/krename/threadedlister.cpp
new file mode 100644
index 0000000..9af929a
--- /dev/null
+++ b/krename/threadedlister.cpp
@@ -0,0 +1,162 @@
+/***************************************************************************
+
+                          threadedlister.cpp  -  description
+                             -------------------
+    begin                : Tue Feb 01 2005
+    copyright            : (C) 2005 by Dominik Seichter
+    email                : domseichter@web.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+ 
+#include "threadedlister.h"
+
+#include "kmylistbox.h"
+#include "krecursivelister.h"
+
+#include <kapplication.h>
+#include <qmutex.h>
+
+ThreadedLister::ThreadedLister( QMutex* mutex, unsigned int* counter, KMyListBox* list  )
+ : QObject(), QThread(), m_mutex( mutex ), m_counter( counter ), m_list( list )
+{
+    m_mutex->lock();
+    ++(*m_counter);
+    m_mutex->unlock();
+
+    m_reclister = NULL;
+    m_lister = NULL;
+    m_internal = NULL;
+
+    m_hidden = false;
+    m_recursive = false;
+    m_dirnames = false;
+    m_dironly = false;
+}
+
+
+ThreadedLister::~ThreadedLister()
+{
+    if( m_reclister )
+        delete m_reclister;
+        
+    if( m_lister )
+        delete m_lister;
+        
+    if( m_internal )
+        delete m_internal;
+}
+
+void ThreadedLister::run()
+{
+    m_internal = new QMutex();
+    m_internal->lock();
+    
+    if( m_recursive ) 
+    {
+        m_reclister = new KRecursiveLister();
+        
+        m_reclister->setShowingDotFiles( m_hidden );
+        m_reclister->setNameFilter( m_filter );
+        m_reclister->setDirOnlyMode( m_dironly );
+                
+        connect( m_reclister, SIGNAL( completed() ), this, SLOT( reclisterFinished() ) );
+        
+        m_reclister->openURL( m_dirname );
+    } else {
+        m_lister = new KDirLister();
+    
+        m_lister->setAutoUpdate( false );
+        m_lister->setShowingDotFiles( m_hidden );
+        m_lister->setNameFilter( m_filter );
+        
+        connect( m_lister, SIGNAL( completed() ), this, SLOT( listerFinished() ) );
+        
+        m_lister->openURL( m_dirname, false, false );    
+    }
+    
+    // try to lock the mutex.
+    // This will block run as long as *listerFinished() 
+    // does not unlock the mutex.
+    m_internal->lock();
+    m_internal->unlock();
+    
+    KApplication::postEvent( m_list, new QCustomEvent( (QEvent::Type)ThreadedLister::TYPE(), (void*)this ) );
+}
+
+
+void ThreadedLister::reclisterFinished()
+{
+    KFileItemList l = m_reclister->items();
+    FileList list = l;
+    
+    if( m_dirnames ) 
+    {
+        FileList dirs = m_reclister->dirs();
+        KFileItem* item;
+        for( item = dirs.first(); item; item = dirs.next() )
+            list.append( item );
+    }
+
+    list.sort();
+
+    m_mutex->lock();
+    m_list->setUpdatesEnabled( false );
+
+    if( m_dirnames ) 
+    {
+        QString name = m_dirname.fileName();
+        if( !m_hidden && name.right( 1 ) != QString::fromLatin1(".") )        
+            m_list->addDirName( m_dirname );
+    }
+    
+    KFileItem* item;
+    for( item = list.first(); item; item = list.next() )
+        if( item->isFile() )
+            m_list->addFile( item->url(), true );
+        else if( item->isDir() )
+            m_list->addDirName( item->url() );
+            
+    m_mutex->unlock();
+    m_list->setUpdatesEnabled( true );
+    
+    m_internal->unlock();
+}
+
+void ThreadedLister::listerFinished()
+{
+    if( m_lister->isFinished() ) {
+        FileList list = m_lister->items( KDirLister::FilteredItems );
+        list.sort();
+
+        m_mutex->lock();
+        m_list->setUpdatesEnabled( false );
+        
+        if( m_dirnames ) 
+        {
+            QString name = m_dirname.fileName();
+            if( !m_hidden && name.right( 1 ) != QString::fromLatin1(".") )        
+                m_list->addDirName( m_dirname );
+        }
+        
+        KFileItem* item;
+        for( item = list.first(); item; item = list.next() )
+            if( item->isFile() )
+                m_list->addFile( item->url(), true );
+
+        --(*m_counter);
+        m_mutex->unlock();
+        m_list->setUpdatesEnabled( true );
+        
+        m_internal->unlock();
+    }
+}
+
+#include "threadedlister.moc"