delegate doesn't get called when using QTreeWidget but works find with QTableWidget

[torres]

The delegate function: createEditor(...) doesn't get called when using a QTreeWidget.
Double clicking on an item in the tree widget has no effect.
Does somebody see what I'm doing wrong?

int main(int argc, char *argv[])
{
	QApplication app(argc,argv);
        QTreeWidget* tree = new QTreeWidget;
 
	tree->setItemDelegate(new MyDelegate);
	tree->setEditTriggers(QAbstractItemView::DoubleClicked | QAbstractItemView::SelectedClicked);
 
	tree->setColumnCount(1);
 
	QTreeWidgetItem *item01 = new QTreeWidgetItem(tree);
	item01->setData(0, Qt::EditRole /*Qt::DisplayRole*/, QVariant("item01"));
	item01->setText(0, "item01");
	tree->addTopLevelItem(item01);
 
	tree->show();
	return app.exec();
}

int main(int argc, char *argv[])
{
	QApplication app(argc,argv);
        QTreeWidget* tree = new QTreeWidget;
	
	tree->setItemDelegate(new MyDelegate);
	tree->setEditTriggers(QAbstractItemView::DoubleClicked | QAbstractItemView::SelectedClicked);
	
	tree->setColumnCount(1);
	
	QTreeWidgetItem *item01 = new QTreeWidgetItem(tree);
	item01->setData(0, Qt::EditRole /*Qt::DisplayRole*/, QVariant("item01"));
	item01->setText(0, "item01");
	tree->addTopLevelItem(item01);

	tree->show();
	return app.exec();
}

To copy to clipboard, switch view to plain text mode 

The implementation of the delegate class doesn't matter. The create editor method doesn't get called. If I use a QTableWidget instead of a QTreeWidget, it works fine. The class declaration of the delegate looks like this:

#include <QStyledItemDelegate>
 
class MyDelegate : public QStyledItemDelegate
{
	Q_OBJECT
public:
	MyDelegate(QObject *parent = 0);
	~MyDelegate() {}
 
	void paint(QPainter *painter, const QStyleOptionViewItem &option,
		const QModelIndex &index) const;
	QSize sizeHint(const QStyleOptionViewItem &option,
		const QModelIndex &index) const;
	QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
		const QModelIndex &index) const;
	void setEditorData(QWidget *editor, const QModelIndex &index) const;
	void setModelData(QWidget *editor, QAbstractItemModel *model,
		const QModelIndex &index) const;
 
	private slots:
		void commitAndCloseEditor();
};

#include <QStyledItemDelegate>

class MyDelegate : public QStyledItemDelegate
{
	Q_OBJECT
public:
	MyDelegate(QObject *parent = 0);
	~MyDelegate() {}

	void paint(QPainter *painter, const QStyleOptionViewItem &option,
		const QModelIndex &index) const;
	QSize sizeHint(const QStyleOptionViewItem &option,
		const QModelIndex &index) const;
	QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
		const QModelIndex &index) const;
	void setEditorData(QWidget *editor, const QModelIndex &index) const;
	void setModelData(QWidget *editor, QAbstractItemModel *model,
		const QModelIndex &index) const;

	private slots:
		void commitAndCloseEditor();
};

To copy to clipboard, switch view to plain text mode 

Thanks!

[wysota]

Are the items flagged as editable?

[torres]

No, that solved the problem:

item01->setFlags(item01->flags() | Qt::ItemIsEditable);

item01->setFlags(item01->flags() | Qt::ItemIsEditable);

To copy to clipboard, switch view to plain text mode 

Thanks!