[Qt-interest] QListWidgetItem in Drag n' drop

[Marcelo Estanislau Geyer]

Hi friends,

I have a configuration dialog of the toolbar on my application.
See image in http://www.standardnet.com.br/dndTR.png

My items are working (moved) between QListWidgets subclass. I need is that when drag the item "Separator" (see the image) to
another QListWidget subclass, the action is to copy and not to move, and drag the item back ("Separator" only), just remove it but not doing anything to target.

See the sample code below:

ListAct :: ListAct(QWidget * parent)
    :QListWidget ( parent )
{
    setViewMode( QListView::ListMode ) ;
    setSelectionMode( QAbstractItemView::SingleSelection ) ;
    setDragEnabled( true ) ;
    viewport()->setAcceptDrops( true ) ;
    setDropIndicatorShown( true ) ;
    setMovement( QListView::Snap ) ;
    setUniformItemSizes( true ) ;
    setDragDropMode( QAbstractItemView::DragDrop ) ;
}
 
ListAct::~ListAct()
{
 
}
 
void ListAct::addAct()
{
    QListWidgetItem *sep = new QListWidgetItem( this ) ;
    sep->setText( QString::fromUtf8( "--- Separator ---" )) ;
    sep->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled ) ;
 
    QListWidgetItem *item = new QListWidgetItem( this ) ;
    item->setText(QString::fromUtf8( "ItemTest1" )) ;
    item->setIcon(QIcon( ":/imagens/clients.png" )) ;
    item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled) ;
 
    QListWidgetItem *item2 = new QListWidgetItem(this) ;
    item2->setText(QString::fromUtf8("ItemTest2")) ;
    item2->setIcon(QIcon(":/imagens/clients.png")) ;
    item2->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled) ;
}
 
 
Qt::DropActions ListAct::supportedDropActions() const
 {
     return Qt::MoveAction ;
 }

Thanks,

Marcelo Estanislau Geyer

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