Item delegates: refactor and unify code

We had code duplication all over the place between QItemDelegate
and QStyledItemDelegate. Refactor that code in QAbstractItemDelegatePrivate,
so that both can use it and we'll have one place to fix instead of two.

Change-Id: I0c5decdfac7b0dc6e001c8c970491080f7b2e75f
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: David Faure <david.faure@kdab.com>

1 files changed, 70 insertions, 0 deletions

diff --git a/src/widgets/itemviews/qabstractitemdelegate_p.h b/src/widgets/itemviews/qabstractitemdelegate_p.h
new file mode 100644
index 0000000000..debc9f5926
--- /dev/null
+++ b/src/widgets/itemviews/qabstractitemdelegate_p.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtWidgets module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QABSTRACTITEMDELEGATE_P_H
+#define QABSTRACTITEMDELEGATE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qabstractitemdelegate.h"
+#include <private/qobject_p.h>
+
+#ifndef QT_NO_ITEMVIEWS
+
+QT_BEGIN_NAMESPACE
+
+class QAbstractItemDelegatePrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QAbstractItemDelegate)
+public:
+    explicit QAbstractItemDelegatePrivate();
+
+    bool editorEventFilter(QObject *object, QEvent *event);
+    bool tryFixup(QWidget *editor);
+    void _q_commitDataAndCloseEditor(QWidget *editor);
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_ITEMVIEWS
+
+#endif // QABSTRACTITEMDELEGATE_P_H