pixeldelegate.h

来自「qt-x11-opensource-src-4.1.4.tar.gz源码」· C头文件 代码 · 共 59 行

/****************************************************************************
**
** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
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** This file is part of the example classes of the Qt Toolkit.
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** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
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#ifndef PIXELDELEGATE_H
#define PIXELDELEGATE_H

#include <QAbstractItemDelegate>
#include <QFontMetrics>
#include <QModelIndex>
#include <QSize>

class QAbstractItemModel;
class QObject;
class QPainter;

static const int ItemSize = 256;

class PixelDelegate : public QAbstractItemDelegate
{
    Q_OBJECT

public:
    PixelDelegate(QObject *parent = 0);

    void paint(QPainter *painter, const QStyleOptionViewItem &option,
               const QModelIndex &index) const;

    QSize sizeHint(const QStyleOptionViewItem &option,
                   const QModelIndex &index ) const;

public slots:
    void setPixelSize(int size);

private:
    int pixelSize;
};

#endif