Can you reproduce the problem with the following example?
#include <QtGui>
int main(int argc, char **argv) {
for(int i=0;i<100;++i){
listWidget->addItem("SongOne");
listWidget->addItem("SongTwo");
listWidget->addItem("SongThree");
listWidget->addItem("SongFour");
listWidget->addItem("SongFive");
}
listWidget->setDragEnabled(true);
listWidget->setAcceptDrops(true);
listWidget->setDropIndicatorShown(true);
listWidget->viewport()->setAcceptDrops(true);
listWidget->show();
app.exec();
delete listWidget;
return 0;
}
#include <QtGui>
int main(int argc, char **argv) {
QApplication app(argc, argv);
QListWidget *listWidget = new QListWidget;
for(int i=0;i<100;++i){
listWidget->addItem("SongOne");
listWidget->addItem("SongTwo");
listWidget->addItem("SongThree");
listWidget->addItem("SongFour");
listWidget->addItem("SongFive");
}
listWidget->setDragDropMode(QAbstractItemView::InternalMove);
listWidget->setDragEnabled(true);
listWidget->setAcceptDrops(true);
listWidget->setDropIndicatorShown(true);
listWidget->viewport()->setAcceptDrops(true);
listWidget->setSelectionMode(QAbstractItemView::SingleSelection);
listWidget->show();
app.exec();
delete listWidget;
return 0;
}
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