QItemDelegate paint() is not called

[Cortex]

Hi,

Am trying to subclass an item Delegate (to display images on QTableView cells),
I reimplemented QItemDelegate::paint() and QItemDelegate::sizeHint().
When I tested it, the function paint() is not called at all.
Here is my code

class ItemImageDelegate : public  QItemDelegate
{
    Q_OBJECT
 
public:
    ItemImageDelegate(QObject*) ;
 
    void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const;
    QSize sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const;
};

class ItemImageDelegate : public  QItemDelegate
{
    Q_OBJECT

public:
    ItemImageDelegate(QObject*) ;

    void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const;
    QSize sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const;
};

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ItemImageDelegate::ItemImageDelegate(QObject *parent = 0) :  QItemDelegate(parent) {}
 
 
void ItemImageDelegate::paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const
{
    qDebug()<<"Paint called";
}
 
QSize ItemImageDelegate::sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const
{
    qDebug()<<"Size Hint called";
}

ItemImageDelegate::ItemImageDelegate(QObject *parent = 0) :  QItemDelegate(parent) {}


void ItemImageDelegate::paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const
{
    qDebug()<<"Paint called";
}

QSize ItemImageDelegate::sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const
{
    qDebug()<<"Size Hint called";
}

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// Main class
   //  setting the model ...
   QTableView* view = new QTableView();
    view->setModel(model);
    ItemImageDelegate delegate(this);
    view->setItemDelegate(&delegate);
    view->resizeColumnsToContents();
 
    view->show();

// Main class
   //  setting the model ...
   QTableView* view = new QTableView();
    view->setModel(model);
    ItemImageDelegate delegate(this);
    view->setItemDelegate(&delegate);
    view->resizeColumnsToContents();

    view->show();

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It seems so wierd to me, am for sure missing something, but I can't figure it out
Please help

Happy coding for all !!

[wysota]

You are creating your delegate on the stack so it goes out of scope and is destroyed. Create it on heap instead.

[Cortex]

Wysota you're a life saver