qitemdelegate.h
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上传日期:2022-06-22
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
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- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 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
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- #ifndef QITEMDELEGATE_H
- #define QITEMDELEGATE_H
- #include <QtGui/qabstractitemdelegate.h>
- #include <QtCore/qstring.h>
- #include <QtGui/qpixmap.h>
- #include <QtCore/qvariant.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Gui)
- #ifndef QT_NO_ITEMVIEWS
- class QItemDelegatePrivate;
- class QItemEditorFactory;
- class Q_GUI_EXPORT QItemDelegate : public QAbstractItemDelegate
- {
- Q_OBJECT
- Q_PROPERTY(bool clipping READ hasClipping WRITE setClipping)
- public:
- explicit QItemDelegate(QObject *parent = 0);
- ~QItemDelegate();
- bool hasClipping() const;
- void setClipping(bool clip);
- // painting
- void paint(QPainter *painter,
- const QStyleOptionViewItem &option,
- const QModelIndex &index) const;
- QSize sizeHint(const QStyleOptionViewItem &option,
- const QModelIndex &index) const;
- // editing
- QWidget *createEditor(QWidget *parent,
- const QStyleOptionViewItem &option,
- const QModelIndex &index) const;
- void setEditorData(QWidget *editor, const QModelIndex &index) const;
- void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;
- void updateEditorGeometry(QWidget *editor,
- const QStyleOptionViewItem &option,
- const QModelIndex &index) const;
- // editor factory
- QItemEditorFactory *itemEditorFactory() const;
- void setItemEditorFactory(QItemEditorFactory *factory);
- protected:
- virtual void drawDisplay(QPainter *painter, const QStyleOptionViewItem &option,
- const QRect &rect, const QString &text) const;
- virtual void drawDecoration(QPainter *painter, const QStyleOptionViewItem &option,
- const QRect &rect, const QPixmap &pixmap) const;
- virtual void drawFocus(QPainter *painter, const QStyleOptionViewItem &option,
- const QRect &rect) const;
- virtual void drawCheck(QPainter *painter, const QStyleOptionViewItem &option,
- const QRect &rect, Qt::CheckState state) const;
- void drawBackground(QPainter *painter, const QStyleOptionViewItem &option,
- const QModelIndex &index) const;
- void doLayout(const QStyleOptionViewItem &option,
- QRect *checkRect, QRect *iconRect, QRect *textRect, bool hint) const;
- QRect rect(const QStyleOptionViewItem &option, const QModelIndex &index, int role) const;
- bool eventFilter(QObject *object, QEvent *event);
- bool editorEvent(QEvent *event, QAbstractItemModel *model,
- const QStyleOptionViewItem &option, const QModelIndex &index);
- QStyleOptionViewItem setOptions(const QModelIndex &index,
- const QStyleOptionViewItem &option) const;
- QPixmap decoration(const QStyleOptionViewItem &option, const QVariant &variant) const;
- QPixmap *selected(const QPixmap &pixmap, const QPalette &palette, bool enabled) const;
- QRect check(const QStyleOptionViewItem &option, const QRect &bounding,
- const QVariant &variant) const;
- QRect textRectangle(QPainter *painter, const QRect &rect,
- const QFont &font, const QString &text) const;
- private:
- Q_DECLARE_PRIVATE(QItemDelegate)
- Q_DISABLE_COPY(QItemDelegate)
- Q_PRIVATE_SLOT(d_func(), void _q_commitDataAndCloseEditor(QWidget*))
- };
- #endif // QT_NO_ITEMVIEWS
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QITEMDELEGATE_H