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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QITEMDELEGATE_H
#define QITEMDELEGATE_H
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtWidgets/qabstractitemdelegate.h>
#include <QtCore/qstring.h>
#include <QtGui/qpixmap.h>
#include <QtCore/qvariant.h>
QT_REQUIRE_CONFIG(itemviews);
QT_BEGIN_NAMESPACE
class QItemDelegatePrivate;
class QItemEditorFactory;
class Q_WIDGETS_EXPORT QItemDelegate : public QAbstractItemDelegate
{
Q_OBJECT
Q_PROPERTY(bool clipping READ hasClipping WRITE setClipping)
public:
explicit QItemDelegate(QObject *parent = nullptr);
~QItemDelegate();
bool hasClipping() const;
void setClipping(bool clip);
// painting
void paint(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const override;
QSize sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const override;
// editing
QWidget *createEditor(QWidget *parent,
const QStyleOptionViewItem &option,
const QModelIndex &index) const override;
void setEditorData(QWidget *editor, const QModelIndex &index) const override;
void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override;
void updateEditorGeometry(QWidget *editor,
const QStyleOptionViewItem &option,
const QModelIndex &index) const override;
// 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) override;
bool editorEvent(QEvent *event, QAbstractItemModel *model,
const QStyleOptionViewItem &option, const QModelIndex &index) override;
QStyleOptionViewItem setOptions(const QModelIndex &index,
const QStyleOptionViewItem &option) const;
QPixmap decoration(const QStyleOptionViewItem &option, const QVariant &variant) const;
static QPixmap selectedPixmap(const QPixmap &pixmap, const QPalette &palette, bool enabled);
QRect doCheck(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)
};
QT_END_NAMESPACE
#endif // QITEMDELEGATE_H
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