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Diffstat (limited to 'tests/manual/widgets/itemviews/delegate/example.cpp')
-rw-r--r-- | tests/manual/widgets/itemviews/delegate/example.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/tests/manual/widgets/itemviews/delegate/example.cpp b/tests/manual/widgets/itemviews/delegate/example.cpp new file mode 100644 index 0000000000..20cff2663a --- /dev/null +++ b/tests/manual/widgets/itemviews/delegate/example.cpp @@ -0,0 +1,86 @@ +/**************************************************************************** +** +** 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(); +} |