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