convert dynamic_cast<> to using QObject::inherits

2 files changed, 7 insertions, 3 deletions

diff --git a/libopie2/qt3/opieui/ocombobox.cpp b/libopie2/qt3/opieui/ocombobox.cpp
index a1dd5f5..8dbda8f 100644
--- a/libopie2/qt3/opieui/ocombobox.cpp
+++ b/libopie2/qt3/opieui/ocombobox.cpp
@@ -1,666 +1,669 @@
 /*
   This file                  Copyright (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
     is part of the           Copyright (C) 2000 Carsten Pfeiffer <pfeiffer@kde.org>
        Opie Project          Copyright (C) 2000 Dawit Alemayehu <adawit@kde.org>
 
               =.             Originally part of the KDE Project
             .=l.
            .>+-=
  _;:,     .>    :=|.         This program is free software; you can
 .> <`_,   >  .   <=          redistribute it and/or  modify it under
 :`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
 .="- .-=="i,     .._         License as published by the Free Software
  - .   .-<_>     .<>         Foundation; either version 2 of the License,
      ._= =}       :          or (at your option) any later version.
     .%`+i>       _;_.
     .i_,=:_.      -<s.       This program 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
 ..}^=.=       =       ;      Library General Public License for more
 ++=   -.     .`     .:       details.
  :     =  ...= . :.=-
  -.   .:....=;==+<;          You should have received a copy of the GNU
   -_. . .   )=.  =           Library General Public License along with
     --        :-=`           this library; see the file COPYING.LIB.
                              If not, write to the Free Software Foundation,
                              Inc., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 /* QT */
 
 #include <qclipboard.h>
 #include <qlistbox.h>
 #include <qpopupmenu.h>
 
 /* OPIE */
 
 #include <opie2/ocompletionbox.h>
 #include <opie2/olineedit.h>
 #include <opie2/opixmapprovider.h>
 #include <opie2/ocombobox.h>
 
 /*======================================================================================
  * OComboBoxPrivate
  *======================================================================================*/
 
 class OComboBox::OComboBoxPrivate
 {
 public:
     OComboBoxPrivate()
     {
         olineEdit = 0L;
     }
     ~OComboBoxPrivate()
     {
     }
 
     OLineEdit *olineEdit;
 };
 
 /*======================================================================================
  * OComboBox
  *======================================================================================*/
 
 OComboBox::OComboBox( QWidget *parent, const char *name )
     : QComboBox( parent, name )
 {
     init();
 }
 
 OComboBox::OComboBox( bool rw, QWidget *parent, const char *name )
     : QComboBox( rw, parent, name )
 {
     init();
 
     if ( rw )
     {
         OLineEdit *edit = new OLineEdit( this, "combo lineedit" );
         setLineEdit( edit );
     }
 }
 
 OComboBox::~OComboBox()
 {
     delete d;
 }
 
 void OComboBox::init()
 {
     d = new OComboBoxPrivate;
 
     // Permanently set some parameters in the parent object.
     QComboBox::setAutoCompletion( false );
 
     // Initialize enable popup menu to false.
     // Below it will be enabled if the widget
     // is editable.
     m_bEnableMenu = false;
 
     m_trapReturnKey = false;
 
     // Enable context menu by default if widget
     // is editable.
     setContextMenuEnabled( true );
 
     // for wheelscrolling
     installEventFilter( this );
     if ( lineEdit() )
         lineEdit()->installEventFilter( this );
 }
 
 
 bool OComboBox::contains( const QString& _text ) const
 {
     if ( _text.isEmpty() )
         return false;
 
     for (int i = 0; i < count(); i++ ) {
         if ( text(i) == _text )
             return true;
     }
     return false;
 }
 
 void OComboBox::setAutoCompletion( bool autocomplete )
 {
     if ( d->olineEdit )
     {
         if ( autocomplete )
         {
             d->olineEdit->setCompletionMode( OGlobalSettings::CompletionAuto );
             setCompletionMode( OGlobalSettings::CompletionAuto );
         }
         else
         {
             d->olineEdit->setCompletionMode( OGlobalSettings::completionMode() );
             setCompletionMode( OGlobalSettings::completionMode() );
         }
     }
 }
 
 void OComboBox::setContextMenuEnabled( bool showMenu )
 {
     if( d->olineEdit )
     {
         d->olineEdit->setContextMenuEnabled( showMenu );
         m_bEnableMenu = showMenu;
     }
 }
 
 /*
 void OComboBox::setURLDropsEnabled( bool enable )
 {
     if ( d->olineEdit )
         d->olineEdit->setURLDropsEnabled( enable );
 }
 
 bool OComboBox::isURLDropsEnabled() const
 {
     return d->olineEdit && d->olineEdit->isURLDropsEnabled();
 }
 */
 
 void OComboBox::setCompletedText( const QString& text, bool marked )
 {
     if ( d->olineEdit )
         d->olineEdit->setCompletedText( text, marked );
 }
 
 void OComboBox::setCompletedText( const QString& text )
 {
     if ( d->olineEdit )
         d->olineEdit->setCompletedText( text );
 }
 
 void OComboBox::makeCompletion( const QString& text )
 {
     if( d->olineEdit )
         d->olineEdit->makeCompletion( text );
 
     else // read-only combo completion
     {
         if( text.isNull() || !listBox() )
             return;
 
         int index = listBox()->index( listBox()->findItem( text ) );
         if( index >= 0 ) {
             setCurrentItem( index );
         }
     }
 }
 
 void OComboBox::rotateText( OCompletionBase::KeyBindingType type )
 {
     if ( d->olineEdit )
         d->olineEdit->rotateText( type );
 }
 
 bool OComboBox::eventFilter( QObject* o, QEvent* ev )
 {
     QLineEdit *edit = lineEdit();
 
     int type = ev->type();
 
     if ( o == edit )
     {
         //OCursor::autoHideEventFilter( edit, ev );
 
         if ( type == QEvent::KeyPress )
         {
             QKeyEvent *e = static_cast<QKeyEvent *>( ev );
 
             if ( e->key() == Key_Return || e->key() == Key_Enter)
             {
                 // On Return pressed event, emit both
                 // returnPressed(const QString&) and returnPressed() signals
                 emit returnPressed();
                 emit returnPressed( currentText() );
                 if ( d->olineEdit && d->olineEdit->completionBox(false) &&
                      d->olineEdit->completionBox()->isVisible() )
                     d->olineEdit->completionBox()->hide();
 
                 return m_trapReturnKey;
             }
         }
     }
 
 
     // wheel-scrolling changes the current item
     if ( type == QEvent::Wheel ) {
         if ( !listBox() || listBox()->isHidden() ) {
             QWheelEvent *e = static_cast<QWheelEvent*>( ev );
             static const int WHEEL_DELTA = 120;
             int skipItems = e->delta() / WHEEL_DELTA;
             if ( e->state() & ControlButton ) // fast skipping
                 skipItems *= 10;
 
             int newItem = currentItem() - skipItems;
 
             if ( newItem < 0 )
                 newItem = 0;
             else if ( newItem >= count() )
                 newItem = count() -1;
 
             setCurrentItem( newItem );
             if ( !text( newItem ).isNull() )
                 emit activated( text( newItem ) );
             emit activated( newItem );
             e->accept();
             return true;
         }
     }
 
     return QComboBox::eventFilter( o, ev );
 }
 
 void OComboBox::setTrapReturnKey( bool grab )
 {
     m_trapReturnKey = grab;
 }
 
 bool OComboBox::trapReturnKey() const
 {
     return m_trapReturnKey;
 }
 
 /*
 void OComboBox::setEditURL( const OURL& url )
 {
     QComboBox::setEditText( url.prettyURL() );
 }
 
 void OComboBox::insertURL( const OURL& url, int index )
 {
     QComboBox::insertItem( url.prettyURL(), index );
 }
 
 void OComboBox::insertURL( const QPixmap& pixmap, const OURL& url, int index )
 {
     QComboBox::insertItem( pixmap, url.prettyURL(), index );
 }
 
 void OComboBox::changeURL( const OURL& url, int index )
 {
     QComboBox::changeItem( url.prettyURL(), index );
 }
 
 void OComboBox::changeURL( const QPixmap& pixmap, const OURL& url, int index )
 {
     QComboBox::changeItem( pixmap, url.prettyURL(), index );
 }
 */
 
 
 void OComboBox::setCompletedItems( const QStringList& items )
 {
     if ( d->olineEdit )
         d->olineEdit->setCompletedItems( items );
 }
 
 
 OCompletionBox * OComboBox::completionBox( bool create )
 {
     if ( d->olineEdit )
         return d->olineEdit->completionBox( create );
     return 0;
 }
 
 // QWidget::create() turns off mouse-Tracking which would break auto-hiding
 void OComboBox::create( WId id, bool initializeWindow, bool destroyOldWindow )
 {
     QComboBox::create( id, initializeWindow, destroyOldWindow );
     //OCursor::setAutoHideCursor( lineEdit(), true, true );
 }
 
 void OComboBox::setLineEdit( OLineEdit *edit )
 {
     #if QT_VERSION > 290
     QComboBox::setLineEdit( edit );
-    d->olineEdit = dynamic_cast<OLineEdit*>( edit );
+    if ( !edit->inherits( "OLineEdit" ) )
+        d->olineEdit = 0;
+    else
+        d->olineEdit = static_cast<OLineEdit*>( edit );
     setDelegate( d->olineEdit );
 
     // forward some signals. We only emit returnPressed() ourselves.
     if ( d->olineEdit ) {
         connect( d->olineEdit, SIGNAL( completion( const QString& )),
                  SIGNAL( completion( const QString& )) );
         connect( d->olineEdit, SIGNAL( substringCompletion( const QString& )),
                  SIGNAL( substringCompletion( const QString& )) );
         connect( d->olineEdit,
                  SIGNAL( textRotation( OCompletionBase::KeyBindingType )),
                  SIGNAL( textRotation( OCompletionBase::KeyBindingType )) );
         connect( d->olineEdit,
                  SIGNAL( completionModeChanged( OGlobalSettings::Completion )),
                  SIGNAL( completionModeChanged( OGlobalSettings::Completion)));
 
         connect( d->olineEdit,
                  SIGNAL( aboutToShowContextMenu( QPopupMenu * )),
                  SIGNAL( aboutToShowContextMenu( QPopupMenu * )) );
     }
     #else
     #warning OComboBox is not fully functional with Qt2
     #endif
 }
 
 // Temporary functions until QT3 appears. - Seth Chaiklin 20 may 2001
 void OComboBox::deleteWordForward()
 {
     lineEdit()->cursorWordForward(TRUE);
     #if QT_VERSION > 290
     if ( lineEdit()->hasSelectedText() )
     #else
     if ( lineEdit()->hasMarkedText() )
     #endif
     {
         lineEdit()->del();
     }
 }
 
 void OComboBox::deleteWordBack()
 {
     lineEdit()->cursorWordBackward(TRUE);
     #if QT_VERSION > 290
     if ( lineEdit()->hasSelectedText() )
     #else
     if ( lineEdit()->hasMarkedText() )
     #endif
     {
         lineEdit()->del();
     }
 }
 
 void OComboBox::setCurrentItem( const QString& item, bool insert, int index )
 {
     int sel = -1;
     for (int i = 0; i < count(); ++i)
         if (text(i) == item)
         {
             sel = i;
             break;
         }
     if (sel == -1 && insert)
     {
         insertItem(item, index);
         if (index >= 0)
             sel = index;
         else
             sel = count() - 1;
     }
     setCurrentItem(sel);
 }
 
 void OComboBox::setCurrentItem(int index)
 {
     QComboBox::setCurrentItem(index);
 }
 
 
 /*======================================================================================
  * OHistoryCombo
  *======================================================================================*/
 
 // we are always read-write
 OHistoryCombo::OHistoryCombo( QWidget *parent, const char *name )
     : OComboBox( true, parent, name )
 {
     init( true ); // using completion
 }
 
 // we are always read-write
 OHistoryCombo::OHistoryCombo( bool useCompletion,
                               QWidget *parent, const char *name )
     : OComboBox( true, parent, name )
 {
     init( useCompletion );
 }
 
 void OHistoryCombo::init( bool useCompletion )
 {
     if ( useCompletion )
         completionObject()->setOrder( OCompletion::Weighted );
 
     setInsertionPolicy( NoInsertion );
     myIterateIndex = -1;
     myRotated = false;
     myPixProvider = 0L;
 
     connect( this, SIGNAL(aboutToShowContextMenu(QPopupMenu*)),
              SLOT(addContextMenuItems(QPopupMenu*)) );
     connect( this, SIGNAL( activated(int) ), SLOT( slotReset() ));
     connect( this, SIGNAL( returnPressed(const QString&) ), SLOT(slotReset()));
 }
 
 OHistoryCombo::~OHistoryCombo()
 {
     delete myPixProvider;
 }
 
 void OHistoryCombo::setHistoryItems( QStringList items,
                                      bool setCompletionList )
 {
     OComboBox::clear();
 
     // limit to maxCount()
     while ( (int) items.count() > maxCount() && !items.isEmpty() )
         items.remove( items.begin() );
 
     insertItems( items );
 
     if ( setCompletionList && useCompletion() ) {
         // we don't have any weighting information here ;(
         OCompletion *comp = completionObject();
         comp->setOrder( OCompletion::Insertion );
         comp->setItems( items );
         comp->setOrder( OCompletion::Weighted );
     }
 
     clearEdit();
 }
 
 QStringList OHistoryCombo::historyItems() const
 {
     QStringList list;
     for ( int i = 0; i < count(); i++ )
         list.append( text( i ) );
 
     return list;
 }
 
 void OHistoryCombo::clearHistory()
 {
     OComboBox::clear();
     if ( useCompletion() )
         completionObject()->clear();
 }
 
 void OHistoryCombo::addContextMenuItems( QPopupMenu* menu )
 {
     if ( menu &&!lineEdit()->text().isEmpty())
     {
         menu->insertSeparator();
         menu->insertItem( tr("Empty Contents"), this, SLOT( slotClear()));
     }
 }
 
 void OHistoryCombo::addToHistory( const QString& item )
 {
     if ( item.isEmpty() || (count() > 0 && item == text(0) ))
         return;
 
     // remove all existing items before adding
     if ( !duplicatesEnabled() ) {
         for ( int i = 0; i < count(); i++ ) {
             if ( text( i ) == item )
                 removeItem( i );
         }
     }
 
     // now add the item
     if ( myPixProvider )
         //insertItem( myPixProvider->pixmapFor(item, KIcon::SizeSmall), item, 0);
         insertItem( myPixProvider->pixmapFor(item, 16), item, 0);
     else
         insertItem( item, 0 );
 
     int last;
     QString rmItem;
 
     bool useComp = useCompletion();
     while ( count() > maxCount() && count() > 0 ) {
         // remove the last item, as long as we are longer than maxCount()
         // remove the removed item from the completionObject if it isn't
         // anymore available at all in the combobox.
         last = count() - 1;
         rmItem = text( last );
         removeItem( last );
         if ( useComp && !contains( rmItem ) )
             completionObject()->removeItem( rmItem );
     }
 
     if ( useComp )
         completionObject()->addItem( item );
 }
 
 bool OHistoryCombo::removeFromHistory( const QString& item )
 {
     if ( item.isEmpty() )
         return false;
 
     bool removed = false;
     QString temp = currentText();
     for ( int i = 0; i < count(); i++ ) {
         while ( item == text( i ) ) {
             removed = true;
             removeItem( i );
         }
     }
 
     if ( removed && useCompletion() )
         completionObject()->removeItem( item );
 
     setEditText( temp );
     return removed;
 }
 
 void OHistoryCombo::keyPressEvent( QKeyEvent *e )
 {
     // save the current text in the lineedit
     if ( myIterateIndex == -1 )
         myText = currentText();
 
     // going up in the history, rotating when reaching QListBox::count()
     //if ( OStdAccel::isEqual( e, OStdAccel::rotateUp() ) ) {
     if ( e->key() == Qt::Key_Up ) {
         myIterateIndex++;
 
         // skip duplicates/empty items
         while ( myIterateIndex < count()-1 &&
                 (currentText() == text( myIterateIndex ) ||
                 text( myIterateIndex ).isEmpty()) )
             myIterateIndex++;
 
         if ( myIterateIndex >= count() ) {
             myRotated = true;
             myIterateIndex = -1;
 
             // if the typed text is the same as the first item, skip the first
             if ( myText == text(0) )
                 myIterateIndex = 0;
 
             setEditText( myText );
         }
         else
             setEditText( text( myIterateIndex ));
     }
 
 
     // going down in the history, no rotation possible. Last item will be
     // the text that was in the lineedit before Up was called.
     //else if ( OStdAccel::isEqual( e, OStdAccel::rotateDown() ) ) {
     else if ( e->key() == Qt::Key_Down ) {
         myIterateIndex--;
 
         // skip duplicates/empty items
         while ( myIterateIndex >= 0 &&
                 (currentText() == text( myIterateIndex ) ||
                 text( myIterateIndex ).isEmpty()) )
             myIterateIndex--;
 
 
         if ( myIterateIndex < 0 ) {
             if ( myRotated && myIterateIndex == -2 ) {
                 myRotated = false;
                 myIterateIndex = count() - 1;
                 setEditText( text(myIterateIndex) );
             }
             else { // bottom of history
                 if ( myIterateIndex == -2 ) {
                     qDebug( "ONotifyClient is not implemented yet." );
                     //ONotifyClient::event( ONotifyClient::notification,
                     //                  i18n("No further item in the history."));
                 }
 
                 myIterateIndex = -1;
                 if ( currentText() != myText )
                     setEditText( myText );
             }
         }
         else
             setEditText( text( myIterateIndex ));
     }
 
     else
         OComboBox::keyPressEvent( e );
 }
 
 void OHistoryCombo::slotReset()
 {
     myIterateIndex = -1;
     myRotated = false;
 }
 
 
 void OHistoryCombo::setPixmapProvider( OPixmapProvider *prov )
 {
     if ( myPixProvider == prov )
         return;
 
     delete myPixProvider;
     myPixProvider = prov;
 
     // re-insert all the items with/without pixmap
     // I would prefer to use changeItem(), but that doesn't honour the pixmap
     // when using an editable combobox (what we do)
     if ( count() > 0 ) {
         QStringList items( historyItems() );
         clear();
         insertItems( items );
     }
 }
 
 void OHistoryCombo::insertItems( const QStringList& items )
 {
     QStringList::ConstIterator it = items.begin();
     QString item;
     while ( it != items.end() ) {
         item = *it;
         if ( !item.isEmpty() ) { // only insert non-empty items
             if ( myPixProvider )
                 // insertItem( myPixProvider->pixmapFor(item, OIcon::SizeSmall), item );
                 insertItem( myPixProvider->pixmapFor(item, 16), item );
             else
                 insertItem( item );
         }
         ++it;
     }
 }
 
 void OHistoryCombo::slotClear()
 {
     clearHistory();
     emit cleared();
 }
 
diff --git a/libopie2/qt3/opieui/oeditlistbox.cpp b/libopie2/qt3/opieui/oeditlistbox.cpp
index 3c53552..0e95274 100644
--- a/libopie2/qt3/opieui/oeditlistbox.cpp
+++ b/libopie2/qt3/opieui/oeditlistbox.cpp
@@ -30,387 +30,388 @@
 
 /* OPIE */
 
 #include <opie2/ocombobox.h>
 #include <opie2/odialog.h>
 #include <opie2/olineedit.h>
 #include <opie2/oeditlistbox.h>
 
 /* UNIX */
 
 #include <assert.h>
 
 /*======================================================================================
  * OEditListBoxPrivate
  *======================================================================================*/
 
 class OEditListBoxPrivate
 {
 public:
     bool m_checkAtEntering;
     int buttons;
 };
 
 /*======================================================================================
  * OEditListBox
  *======================================================================================*/
 
 OEditListBox::OEditListBox(QWidget *parent, const char *name,
                            bool checkAtEntering, int buttons )
     :QGroupBox(parent, name )
 {
     init( checkAtEntering, buttons );
 }
 
 OEditListBox::OEditListBox(const QString& title, QWidget *parent,
                            const char *name, bool checkAtEntering, int buttons)
     :QGroupBox(title, parent, name )
 {
     init( checkAtEntering, buttons );
 }
 
 OEditListBox::OEditListBox(const QString& title, const CustomEditor& custom,
                            QWidget *parent, const char *name,
                            bool checkAtEntering, int buttons)
     :QGroupBox(title, parent, name )
 {
     m_lineEdit = custom.lineEdit();
     init( checkAtEntering, buttons, custom.representationWidget() );
 }
 
 OEditListBox::~OEditListBox()
 {
     delete d;
     d=0;
 }
 
 void OEditListBox::init( bool checkAtEntering, int buttons,
                          QWidget *representationWidget )
 {
     d=new OEditListBoxPrivate;
     d->m_checkAtEntering=checkAtEntering;
     d->buttons = buttons;
 
     int lostButtons = 0;
     if ( (buttons & Add) == 0 )
         lostButtons++;
     if ( (buttons & Remove) == 0 )
         lostButtons++;
     if ( (buttons & UpDown) == 0 )
         lostButtons += 2;
 
 
     servNewButton = servRemoveButton = servUpButton = servDownButton = 0L;
     setSizePolicy(QSizePolicy(QSizePolicy::MinimumExpanding,
                               QSizePolicy::MinimumExpanding));
 
     QWidget * gb = this;
     QGridLayout * grid = new QGridLayout(gb, 7 - lostButtons, 2,
                                          ODialog::marginHint(),
                                          ODialog::spacingHint());
     grid->addRowSpacing(0, fontMetrics().lineSpacing());
     for ( int i = 1; i < 7 - lostButtons; i++ )
         grid->setRowStretch(i, 1);
 
     grid->setMargin(15);
 
     if ( representationWidget )
         representationWidget->reparent( gb, QPoint(0,0) );
     else
         m_lineEdit=new OLineEdit(gb);
 
     m_listBox = new QListBox(gb);
 
     QWidget *editingWidget = representationWidget ?
                              representationWidget : m_lineEdit;
     grid->addMultiCellWidget(editingWidget,1,1,0,1);
     grid->addMultiCellWidget(m_listBox, 2, 6 - lostButtons, 0, 0);
     int row = 2;
     if ( buttons & Add ) {
         servNewButton = new QPushButton(tr("&Add"), gb);
         servNewButton->setEnabled(false);
         connect(servNewButton, SIGNAL(clicked()), SLOT(addItem()));
 
         grid->addWidget(servNewButton, row++, 1);
     }
 
     if ( buttons & Remove ) {
         servRemoveButton = new QPushButton(tr("&Remove"), gb);
         servRemoveButton->setEnabled(false);
         connect(servRemoveButton, SIGNAL(clicked()), SLOT(removeItem()));
 
         grid->addWidget(servRemoveButton, row++, 1);
     }
 
     if ( buttons & UpDown ) {
         servUpButton = new QPushButton(tr("Move &Up"), gb);
         servUpButton->setEnabled(false);
         connect(servUpButton, SIGNAL(clicked()), SLOT(moveItemUp()));
 
         servDownButton = new QPushButton(tr("Move &Down"), gb);
         servDownButton->setEnabled(false);
         connect(servDownButton, SIGNAL(clicked()), SLOT(moveItemDown()));
 
         grid->addWidget(servUpButton, row++, 1);
         grid->addWidget(servDownButton, row++, 1);
     }
 
     connect(m_lineEdit,SIGNAL(textChanged(const QString&)),this,SLOT(typedSomething(const QString&)));
     m_lineEdit->setTrapReturnKey(true);
     connect(m_lineEdit,SIGNAL(returnPressed()),this,SLOT(addItem()));
     connect(m_listBox, SIGNAL(highlighted(int)), SLOT(enableMoveButtons(int)));
 
     // maybe supplied lineedit has some text already
     typedSomething( m_lineEdit->text() );
 }
 
 void OEditListBox::typedSomething(const QString& text)
 {
     if(currentItem() >= 0) {
         if(currentText() != m_lineEdit->text())
         {
             // IMHO changeItem() shouldn't do anything with the value
             // of currentItem() ... like changing it or emitting signals ...
             // but TT disagree with me on this one (it's been that way since ages ... grrr)
             bool block = m_listBox->signalsBlocked();
             m_listBox->blockSignals( true );
             m_listBox->changeItem(text, currentItem());
             m_listBox->blockSignals( block );
             emit changed();
         }
     }
 
     if ( !servNewButton )
         return;
 
     if (!d->m_checkAtEntering)
         servNewButton->setEnabled(!text.isEmpty());
     else
     {
         if (text.isEmpty())
         {
             servNewButton->setEnabled(false);
         }
         else
         {
             #if QT_VERSION > 290
             StringComparisonMode mode = (StringComparisonMode) (ExactMatch | CaseSensitive );
             bool enable = (m_listBox->findItem( text, mode ) == 0L);
             #else
             bool enable = (m_listBox->findItem( text ) == 0L);
             #endif
             servNewButton->setEnabled( enable );
         }
     }
 }
 
 void OEditListBox::moveItemUp()
 {
     if (!m_listBox->isEnabled())
     {
         //ONotifyClient::beep();
         return;
     }
 
     unsigned int selIndex = m_listBox->currentItem();
     if (selIndex == 0)
     {
         //ONotifyClient::beep();
         return;
     }
 
     QListBoxItem *selItem = m_listBox->item(selIndex);
     m_listBox->takeItem(selItem);
     m_listBox->insertItem(selItem, selIndex-1);
     m_listBox->setCurrentItem(selIndex - 1);
 
     emit changed();
 }
 
 void OEditListBox::moveItemDown()
 {
     if (!m_listBox->isEnabled())
     {
         //ONotifyClient::beep();
         return;
     }
 
     unsigned int selIndex = m_listBox->currentItem();
     if (selIndex == m_listBox->count() - 1)
     {
         //ONotifyClient::beep();
         return;
     }
 
     QListBoxItem *selItem = m_listBox->item(selIndex);
     m_listBox->takeItem(selItem);
     m_listBox->insertItem(selItem, selIndex+1);
     m_listBox->setCurrentItem(selIndex + 1);
 
     emit changed();
 }
 
 void OEditListBox::addItem()
 {
     // when m_checkAtEntering is true, the add-button is disabled, but this
     // slot can still be called through Key_Return/Key_Enter. So we guard
     // against this.
     if ( !servNewButton || !servNewButton->isEnabled() )
         return;
 
     const QString& currentTextLE=m_lineEdit->text();
     bool alreadyInList(false);
     //if we didn't check for dupes at the inserting we have to do it now
     if (!d->m_checkAtEntering)
     {
         // first check current item instead of dumb iterating the entire list
         if ( m_listBox->currentText() == currentTextLE )
             alreadyInList = true;
         else
         {
             #if QT_VERSION > 290
             StringComparisonMode mode = (StringComparisonMode) (ExactMatch | CaseSensitive );
             alreadyInList =(m_listBox->findItem(currentTextLE, mode) != 0);
             #else
             alreadyInList =(m_listBox->findItem(currentTextLE) != 0);
             #endif
         }
     }
 
     if ( servNewButton )
         servNewButton->setEnabled(false);
 
     bool block = m_lineEdit->signalsBlocked();
     m_lineEdit->blockSignals(true);
     m_lineEdit->clear();
     m_lineEdit->blockSignals(block);
 
     m_listBox->setSelected(currentItem(), false);
 
     if (!alreadyInList)
     {
         block = m_listBox->signalsBlocked();
         m_listBox->blockSignals( true );
         m_listBox->insertItem(currentTextLE);
         m_listBox->blockSignals( block );
         emit changed();
         emit added( currentTextLE );
     }
 }
 
 int OEditListBox::currentItem() const 
 {
     int nr = m_listBox->currentItem();
     #if QT_VERSION > 290
     if(nr >= 0 && !m_listBox->item(nr)->isSelected()) return -1;
     #else
     if(nr >= 0 && !m_listBox->isSelected(m_listBox->item(nr))) return -1;
     #endif
     return nr;
 }
 
 void OEditListBox::removeItem()
 {
     int selected = m_listBox->currentItem();
 
     if ( selected >= 0 )
     {
         QString removedText = m_listBox->currentText();
 
         m_listBox->removeItem( selected );
         if ( count() > 0 )
             m_listBox->setSelected( QMIN( selected, count() - 1 ), true );
 
         emit changed();
         emit removed( removedText );
     }
 
     if ( servRemoveButton && m_listBox->currentItem() == -1 )
         servRemoveButton->setEnabled(false);
 }
 
 void OEditListBox::enableMoveButtons(int index)
 {
     // Update the lineEdit when we select a different line.
     if(currentText() != m_lineEdit->text())
         m_lineEdit->setText(currentText());
 
     bool moveEnabled = servUpButton && servDownButton;
 
     if (moveEnabled )
     {
         if (m_listBox->count() <= 1)
         {
             servUpButton->setEnabled(false);
             servDownButton->setEnabled(false);
         }
         else if ((uint) index == (m_listBox->count() - 1))
         {
             servUpButton->setEnabled(true);
             servDownButton->setEnabled(false);
         }
         else if (index == 0)
         {
             servUpButton->setEnabled(false);
             servDownButton->setEnabled(true);
         }
         else
         {
             servUpButton->setEnabled(true);
             servDownButton->setEnabled(true);
         }
     }
 
     if ( servRemoveButton )
         servRemoveButton->setEnabled(true);
 }
 
 void OEditListBox::clear()
 {
     m_lineEdit->clear();
     m_listBox->clear();
     emit changed();
 }
 
 void OEditListBox::insertStringList(const QStringList& list, int index)
 {
     m_listBox->insertStringList(list,index);
 }
 
 void OEditListBox::insertStrList(const QStrList* list, int index)
 {
     m_listBox->insertStrList(list,index);
 }
 
 void OEditListBox::insertStrList(const QStrList& list, int index)
 {
     m_listBox->insertStrList(list,index);
 }
 
 void OEditListBox::insertStrList(const char ** list, int numStrings, int index)
 {
     m_listBox->insertStrList(list,numStrings,index);
 }
 
 QStringList OEditListBox::items() const
 {
     QStringList list;
     for ( uint i = 0; i < m_listBox->count(); i++ )
         list.append( m_listBox->text( i ));
 
     return list;
 }
 
 void OEditListBox::virtual_hook( int, void* )
 { /*BASE::virtual_hook( id, data );*/ }
 
 
 /*======================================================================================
  * CustomEditor
  *======================================================================================*/
 
 OEditListBox::CustomEditor::CustomEditor( OComboBox *combo )
 {
     m_representationWidget = combo;
-    m_lineEdit = dynamic_cast<OLineEdit*>( combo->lineEdit() );
-    assert( m_lineEdit );
+    assert( combo->lineEdit()->inherits( "OLineEdit" ) );
+    m_lineEdit = static_cast<OLineEdit*>( combo->lineEdit() );
+
 }