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433 lines
17 KiB
433 lines
17 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QTREEWIDGET_H
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#define QTREEWIDGET_H
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#include <QtGui/qtreeview.h>
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#include <QtGui/qtreewidgetitemiterator.h>
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#include <QtCore/qvariant.h>
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#include <QtCore/qvector.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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#ifndef QT_NO_TREEWIDGET
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class QTreeWidget;
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class QTreeModel;
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class QWidgetItemData;
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class QTreeWidgetItemPrivate;
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class Q_GUI_EXPORT QTreeWidgetItem
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{
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friend class QTreeModel;
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friend class QTreeWidget;
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friend class QTreeWidgetPrivate;
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friend class QTreeWidgetItemIterator;
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friend class QTreeWidgetItemPrivate;
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public:
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enum ItemType { Type = 0, UserType = 1000 };
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explicit QTreeWidgetItem(int type = Type);
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QTreeWidgetItem(const QStringList &strings, int type = Type);
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explicit QTreeWidgetItem(QTreeWidget *view, int type = Type);
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QTreeWidgetItem(QTreeWidget *view, const QStringList &strings, int type = Type);
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QTreeWidgetItem(QTreeWidget *view, QTreeWidgetItem *after, int type = Type);
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explicit QTreeWidgetItem(QTreeWidgetItem *parent, int type = Type);
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QTreeWidgetItem(QTreeWidgetItem *parent, const QStringList &strings, int type = Type);
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QTreeWidgetItem(QTreeWidgetItem *parent, QTreeWidgetItem *after, int type = Type);
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QTreeWidgetItem(const QTreeWidgetItem &other);
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virtual ~QTreeWidgetItem();
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virtual QTreeWidgetItem *clone() const;
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inline QTreeWidget *treeWidget() const { return view; }
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inline void setSelected(bool select);
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inline bool isSelected() const;
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inline void setHidden(bool hide);
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inline bool isHidden() const;
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inline void setExpanded(bool expand);
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inline bool isExpanded() const;
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inline void setFirstColumnSpanned(bool span);
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inline bool isFirstColumnSpanned() const;
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inline void setDisabled(bool disabled);
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inline bool isDisabled() const;
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enum ChildIndicatorPolicy { ShowIndicator, DontShowIndicator, DontShowIndicatorWhenChildless };
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void setChildIndicatorPolicy(QTreeWidgetItem::ChildIndicatorPolicy policy);
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QTreeWidgetItem::ChildIndicatorPolicy childIndicatorPolicy() const;
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Qt::ItemFlags flags() const;
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void setFlags(Qt::ItemFlags flags);
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inline QString text(int column) const
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{ return data(column, Qt::DisplayRole).toString(); }
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inline void setText(int column, const QString &text);
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inline QIcon icon(int column) const
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{ return qvariant_cast<QIcon>(data(column, Qt::DecorationRole)); }
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inline void setIcon(int column, const QIcon &icon);
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inline QString statusTip(int column) const
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{ return data(column, Qt::StatusTipRole).toString(); }
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inline void setStatusTip(int column, const QString &statusTip);
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#ifndef QT_NO_TOOLTIP
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inline QString toolTip(int column) const
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{ return data(column, Qt::ToolTipRole).toString(); }
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inline void setToolTip(int column, const QString &toolTip);
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#endif
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#ifndef QT_NO_WHATSTHIS
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inline QString whatsThis(int column) const
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{ return data(column, Qt::WhatsThisRole).toString(); }
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inline void setWhatsThis(int column, const QString &whatsThis);
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#endif
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inline QFont font(int column) const
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{ return qvariant_cast<QFont>(data(column, Qt::FontRole)); }
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inline void setFont(int column, const QFont &font);
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inline int textAlignment(int column) const
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{ return data(column, Qt::TextAlignmentRole).toInt(); }
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inline void setTextAlignment(int column, int alignment)
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{ setData(column, Qt::TextAlignmentRole, alignment); }
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inline QColor backgroundColor(int column) const
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{ return qvariant_cast<QColor>(data(column, Qt::BackgroundColorRole)); }
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inline void setBackgroundColor(int column, const QColor &color)
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{ setData(column, Qt::BackgroundColorRole, color); }
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inline QBrush background(int column) const
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{ return qvariant_cast<QBrush>(data(column, Qt::BackgroundRole)); }
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inline void setBackground(int column, const QBrush &brush)
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{ setData(column, Qt::BackgroundRole, brush); }
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inline QColor textColor(int column) const
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{ return qvariant_cast<QColor>(data(column, Qt::TextColorRole)); }
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inline void setTextColor(int column, const QColor &color)
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{ setData(column, Qt::TextColorRole, color); }
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inline QBrush foreground(int column) const
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{ return qvariant_cast<QBrush>(data(column, Qt::ForegroundRole)); }
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inline void setForeground(int column, const QBrush &brush)
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{ setData(column, Qt::ForegroundRole, brush); }
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inline Qt::CheckState checkState(int column) const
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{ return static_cast<Qt::CheckState>(data(column, Qt::CheckStateRole).toInt()); }
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inline void setCheckState(int column, Qt::CheckState state)
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{ setData(column, Qt::CheckStateRole, state); }
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inline QSize sizeHint(int column) const
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{ return qvariant_cast<QSize>(data(column, Qt::SizeHintRole)); }
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inline void setSizeHint(int column, const QSize &size)
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{ setData(column, Qt::SizeHintRole, size); }
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virtual QVariant data(int column, int role) const;
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virtual void setData(int column, int role, const QVariant &value);
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virtual bool operator<(const QTreeWidgetItem &other) const;
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#ifndef QT_NO_DATASTREAM
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virtual void read(QDataStream &in);
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virtual void write(QDataStream &out) const;
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#endif
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QTreeWidgetItem &operator=(const QTreeWidgetItem &other);
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inline QTreeWidgetItem *parent() const { return par; }
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inline QTreeWidgetItem *child(int index) const {
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if (index < 0 || index >= children.size())
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return 0;
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executePendingSort();
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return children.at(index);
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}
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inline int childCount() const { return children.count(); }
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inline int columnCount() const { return values.count(); }
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inline int indexOfChild(QTreeWidgetItem *child) const;
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void addChild(QTreeWidgetItem *child);
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void insertChild(int index, QTreeWidgetItem *child);
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void removeChild(QTreeWidgetItem *child);
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QTreeWidgetItem *takeChild(int index);
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void addChildren(const QList<QTreeWidgetItem*> &children);
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void insertChildren(int index, const QList<QTreeWidgetItem*> &children);
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QList<QTreeWidgetItem*> takeChildren();
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inline int type() const { return rtti; }
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inline void sortChildren(int column, Qt::SortOrder order)
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{ sortChildren(column, order, false); }
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protected:
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void emitDataChanged();
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private:
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void sortChildren(int column, Qt::SortOrder order, bool climb);
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QVariant childrenCheckState(int column) const;
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void itemChanged();
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void executePendingSort() const;
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int rtti;
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// One item has a vector of column entries. Each column has a vector of (role, value) pairs.
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QVector< QVector<QWidgetItemData> > values;
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QTreeWidget *view;
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QTreeWidgetItemPrivate *d;
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QTreeWidgetItem *par;
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QList<QTreeWidgetItem*> children;
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Qt::ItemFlags itemFlags;
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};
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inline void QTreeWidgetItem::setText(int column, const QString &atext)
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{ setData(column, Qt::DisplayRole, atext); }
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inline void QTreeWidgetItem::setIcon(int column, const QIcon &aicon)
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{ setData(column, Qt::DecorationRole, aicon); }
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#ifndef QT_NO_STATUSTIP
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inline void QTreeWidgetItem::setStatusTip(int column, const QString &astatusTip)
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{ setData(column, Qt::StatusTipRole, astatusTip); }
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#endif
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#ifndef QT_NO_TOOLTIP
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inline void QTreeWidgetItem::setToolTip(int column, const QString &atoolTip)
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{ setData(column, Qt::ToolTipRole, atoolTip); }
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#endif
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#ifndef QT_NO_WHATSTHIS
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inline void QTreeWidgetItem::setWhatsThis(int column, const QString &awhatsThis)
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{ setData(column, Qt::WhatsThisRole, awhatsThis); }
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#endif
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inline void QTreeWidgetItem::setFont(int column, const QFont &afont)
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{ setData(column, Qt::FontRole, afont); }
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inline int QTreeWidgetItem::indexOfChild(QTreeWidgetItem *achild) const
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{ executePendingSort(); return children.indexOf(achild); }
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#ifndef QT_NO_DATASTREAM
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Q_GUI_EXPORT QDataStream &operator<<(QDataStream &out, const QTreeWidgetItem &item);
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Q_GUI_EXPORT QDataStream &operator>>(QDataStream &in, QTreeWidgetItem &item);
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#endif
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class QTreeWidgetPrivate;
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class Q_GUI_EXPORT QTreeWidget : public QTreeView
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{
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Q_OBJECT
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Q_PROPERTY(int columnCount READ columnCount WRITE setColumnCount)
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Q_PROPERTY(int topLevelItemCount READ topLevelItemCount)
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friend class QTreeModel;
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friend class QTreeWidgetItem;
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public:
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explicit QTreeWidget(QWidget *parent = 0);
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~QTreeWidget();
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int columnCount() const;
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void setColumnCount(int columns);
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QTreeWidgetItem *invisibleRootItem() const;
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QTreeWidgetItem *topLevelItem(int index) const;
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int topLevelItemCount() const;
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void insertTopLevelItem(int index, QTreeWidgetItem *item);
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void addTopLevelItem(QTreeWidgetItem *item);
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QTreeWidgetItem *takeTopLevelItem(int index);
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int indexOfTopLevelItem(QTreeWidgetItem *item); // ### Qt 5: remove me
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int indexOfTopLevelItem(QTreeWidgetItem *item) const;
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void insertTopLevelItems(int index, const QList<QTreeWidgetItem*> &items);
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void addTopLevelItems(const QList<QTreeWidgetItem*> &items);
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QTreeWidgetItem *headerItem() const;
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void setHeaderItem(QTreeWidgetItem *item);
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void setHeaderLabels(const QStringList &labels);
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inline void setHeaderLabel(const QString &label);
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QTreeWidgetItem *currentItem() const;
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int currentColumn() const;
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void setCurrentItem(QTreeWidgetItem *item);
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void setCurrentItem(QTreeWidgetItem *item, int column);
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void setCurrentItem(QTreeWidgetItem *item, int column, QItemSelectionModel::SelectionFlags command);
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QTreeWidgetItem *itemAt(const QPoint &p) const;
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inline QTreeWidgetItem *itemAt(int x, int y) const;
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QRect visualItemRect(const QTreeWidgetItem *item) const;
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int sortColumn() const;
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void sortItems(int column, Qt::SortOrder order);
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void setSortingEnabled(bool enable);
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bool isSortingEnabled() const;
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void editItem(QTreeWidgetItem *item, int column = 0);
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void openPersistentEditor(QTreeWidgetItem *item, int column = 0);
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void closePersistentEditor(QTreeWidgetItem *item, int column = 0);
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QWidget *itemWidget(QTreeWidgetItem *item, int column) const;
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void setItemWidget(QTreeWidgetItem *item, int column, QWidget *widget);
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inline void removeItemWidget(QTreeWidgetItem *item, int column);
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bool isItemSelected(const QTreeWidgetItem *item) const;
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void setItemSelected(const QTreeWidgetItem *item, bool select);
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QList<QTreeWidgetItem*> selectedItems() const;
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QList<QTreeWidgetItem*> findItems(const QString &text, Qt::MatchFlags flags,
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int column = 0) const;
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bool isItemHidden(const QTreeWidgetItem *item) const;
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void setItemHidden(const QTreeWidgetItem *item, bool hide);
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bool isItemExpanded(const QTreeWidgetItem *item) const;
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void setItemExpanded(const QTreeWidgetItem *item, bool expand);
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bool isFirstItemColumnSpanned(const QTreeWidgetItem *item) const;
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void setFirstItemColumnSpanned(const QTreeWidgetItem *item, bool span);
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QTreeWidgetItem *itemAbove(const QTreeWidgetItem *item) const;
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QTreeWidgetItem *itemBelow(const QTreeWidgetItem *item) const;
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void setSelectionModel(QItemSelectionModel *selectionModel);
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public Q_SLOTS:
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void scrollToItem(const QTreeWidgetItem *item,
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QAbstractItemView::ScrollHint hint = EnsureVisible);
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void expandItem(const QTreeWidgetItem *item);
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void collapseItem(const QTreeWidgetItem *item);
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void clear();
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Q_SIGNALS:
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void itemPressed(QTreeWidgetItem *item, int column);
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void itemClicked(QTreeWidgetItem *item, int column);
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void itemDoubleClicked(QTreeWidgetItem *item, int column);
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void itemActivated(QTreeWidgetItem *item, int column);
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void itemEntered(QTreeWidgetItem *item, int column);
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void itemChanged(QTreeWidgetItem *item, int column);
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void itemExpanded(QTreeWidgetItem *item);
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void itemCollapsed(QTreeWidgetItem *item);
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void currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous);
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void itemSelectionChanged();
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protected:
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bool event(QEvent *e);
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virtual QStringList mimeTypes() const;
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virtual QMimeData *mimeData(const QList<QTreeWidgetItem*> items) const;
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virtual bool dropMimeData(QTreeWidgetItem *parent, int index,
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const QMimeData *data, Qt::DropAction action);
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virtual Qt::DropActions supportedDropActions() const;
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QList<QTreeWidgetItem*> items(const QMimeData *data) const;
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QModelIndex indexFromItem(QTreeWidgetItem *item, int column = 0) const;
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QTreeWidgetItem *itemFromIndex(const QModelIndex &index) const;
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void dropEvent(QDropEvent *event);
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private:
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void setModel(QAbstractItemModel *model);
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Q_DECLARE_PRIVATE(QTreeWidget)
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Q_DISABLE_COPY(QTreeWidget)
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Q_PRIVATE_SLOT(d_func(), void _q_emitItemPressed(const QModelIndex &index))
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Q_PRIVATE_SLOT(d_func(), void _q_emitItemClicked(const QModelIndex &index))
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Q_PRIVATE_SLOT(d_func(), void _q_emitItemDoubleClicked(const QModelIndex &index))
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Q_PRIVATE_SLOT(d_func(), void _q_emitItemActivated(const QModelIndex &index))
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Q_PRIVATE_SLOT(d_func(), void _q_emitItemEntered(const QModelIndex &index))
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Q_PRIVATE_SLOT(d_func(), void _q_emitItemChanged(const QModelIndex &index))
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Q_PRIVATE_SLOT(d_func(), void _q_emitItemExpanded(const QModelIndex &index))
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Q_PRIVATE_SLOT(d_func(), void _q_emitItemCollapsed(const QModelIndex &index))
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Q_PRIVATE_SLOT(d_func(), void _q_emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex ¤t))
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Q_PRIVATE_SLOT(d_func(), void _q_sort())
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Q_PRIVATE_SLOT(d_func(), void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight))
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Q_PRIVATE_SLOT(d_func(), void _q_selectionChanged(const QItemSelection &selected, const QItemSelection &deselected))
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};
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inline void QTreeWidget::removeItemWidget(QTreeWidgetItem *item, int column)
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{ setItemWidget(item, column, 0); }
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inline QTreeWidgetItem *QTreeWidget::itemAt(int ax, int ay) const
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{ return itemAt(QPoint(ax, ay)); }
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inline void QTreeWidget::setHeaderLabel(const QString &alabel)
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{ setHeaderLabels(QStringList(alabel)); }
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inline void QTreeWidgetItem::setSelected(bool aselect)
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{ if (view) view->setItemSelected(this, aselect); }
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inline bool QTreeWidgetItem::isSelected() const
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{ return (view ? view->isItemSelected(this) : false); }
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inline void QTreeWidgetItem::setHidden(bool ahide)
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{ if (view) view->setItemHidden(this, ahide); }
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inline bool QTreeWidgetItem::isHidden() const
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{ return (view ? view->isItemHidden(this) : false); }
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inline void QTreeWidgetItem::setExpanded(bool aexpand)
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{ if (view) view->setItemExpanded(this, aexpand); }
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inline bool QTreeWidgetItem::isExpanded() const
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{ return (view ? view->isItemExpanded(this) : false); }
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inline void QTreeWidgetItem::setFirstColumnSpanned(bool aspan)
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{ if (view) view->setFirstItemColumnSpanned(this, aspan); }
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inline bool QTreeWidgetItem::isFirstColumnSpanned() const
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{ return (view ? view->isFirstItemColumnSpanned(this) : false); }
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inline void QTreeWidgetItem::setDisabled(bool disabled)
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{ setFlags(disabled ? (flags() & ~Qt::ItemIsEnabled) : flags() | Qt::ItemIsEnabled); }
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inline bool QTreeWidgetItem::isDisabled() const
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{ return !(flags() & Qt::ItemIsEnabled); }
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#endif // QT_NO_TREEWIDGET
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QTREEWIDGET_H
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