| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the QtGui module 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. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QABSTRACTITEMDELEGATE_H |
| #define QABSTRACTITEMDELEGATE_H |
| |
| #include <QtCore/qobject.h> |
| #include <QtGui/qstyleoption.h> |
| |
| QT_BEGIN_HEADER |
| |
| QT_BEGIN_NAMESPACE |
| |
| QT_MODULE(Gui) |
| |
| #ifndef QT_NO_ITEMVIEWS |
| |
| class QPainter; |
| class QModelIndex; |
| class QAbstractItemModel; |
| class QAbstractItemView; |
| class QHelpEvent; |
| |
| class Q_GUI_EXPORT QAbstractItemDelegate : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| |
| enum EndEditHint { |
| NoHint, |
| EditNextItem, |
| EditPreviousItem, |
| SubmitModelCache, |
| RevertModelCache |
| }; |
| |
| explicit QAbstractItemDelegate(QObject *parent = 0); |
| virtual ~QAbstractItemDelegate(); |
| |
| // painting |
| virtual void paint(QPainter *painter, |
| const QStyleOptionViewItem &option, |
| const QModelIndex &index) const = 0; |
| |
| virtual QSize sizeHint(const QStyleOptionViewItem &option, |
| const QModelIndex &index) const = 0; |
| |
| // editing |
| virtual QWidget *createEditor(QWidget *parent, |
| const QStyleOptionViewItem &option, |
| const QModelIndex &index) const; |
| |
| virtual void setEditorData(QWidget *editor, const QModelIndex &index) const; |
| |
| virtual void setModelData(QWidget *editor, |
| QAbstractItemModel *model, |
| const QModelIndex &index) const; |
| |
| virtual void updateEditorGeometry(QWidget *editor, |
| const QStyleOptionViewItem &option, |
| const QModelIndex &index) const; |
| |
| // for non-widget editors |
| virtual bool editorEvent(QEvent *event, |
| QAbstractItemModel *model, |
| const QStyleOptionViewItem &option, |
| const QModelIndex &index); |
| |
| static QString elidedText(const QFontMetrics &fontMetrics, int width, |
| Qt::TextElideMode mode, const QString &text); |
| |
| public Q_SLOTS: |
| bool helpEvent(QHelpEvent *event, |
| QAbstractItemView *view, |
| const QStyleOptionViewItem &option, |
| const QModelIndex &index); |
| |
| Q_SIGNALS: |
| void commitData(QWidget *editor); |
| void closeEditor(QWidget *editor, QAbstractItemDelegate::EndEditHint hint = NoHint); |
| void sizeHintChanged(const QModelIndex &); |
| |
| protected: |
| QAbstractItemDelegate(QObjectPrivate &, QObject *parent = 0); |
| private: |
| Q_DISABLE_COPY(QAbstractItemDelegate) |
| }; |
| |
| #endif // QT_NO_ITEMVIEWS |
| |
| QT_END_NAMESPACE |
| |
| QT_END_HEADER |
| |
| #endif // QABSTRACTITEMDELEGATE_H |