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+/****************************************************************************
+**
+** Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtWidgets/QtWidgets>
+
+class ExampleEditor : public QLineEdit
+{
+public:
+ ExampleEditor(QWidget *parent = 0):QLineEdit(parent) { qDebug() << "ctor"; }
+ ~ExampleEditor() { QApplication::instance()->quit(); }
+};
+
+class ExampleDelegate : public QItemDelegate
+{
+public:
+ ExampleDelegate():QItemDelegate() { m_editor = new ExampleEditor(0); }
+protected:
+ QWidget* createEditor(QWidget *p, const QStyleOptionViewItem &o, const QModelIndex &) const
+ {
+ m_editor->setParent(p);
+ m_editor->setGeometry(o.rect);
+ return m_editor;
+ }
+ void destroyEditor(QWidget *editor, const QModelIndex &) const
+ {
+ editor->setParent(0);
+ qDebug() << "intercepted destroy :)";
+ }
+
+ // Avoid setting data - and therefore show that the editor keeps its state.
+ void setEditorData(QWidget*, const QModelIndex &) const { }
+
+ ~ExampleDelegate() { delete m_editor; }
+ mutable ExampleEditor *m_editor;
+};
+
+int main(int argc, char *argv[])
+{
+ QApplication app(argc, argv);
+ QTableView tv;
+ QStandardItemModel m;
+ m.setRowCount(4);
+ m.setColumnCount(2);
+ tv.setModel(&m);
+ tv.show();
+ tv.setItemDelegate(new ExampleDelegate());
+ app.exec();
+}