/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** 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 | |
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** 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: | |
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** Other Usage | |
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** $QT_END_LICENSE$ | |
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****************************************************************************/ | |
#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 |