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160 lines
5.0 KiB
160 lines
5.0 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 QTREEWIDGETITEMITERATOR_H
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#define QTREEWIDGETITEMITERATOR_H
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#include <QtCore/qglobal.h>
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#include <QtCore/qscopedpointer.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 QTreeWidgetItem;
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class QTreeModel;
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class QTreeWidgetItemIteratorPrivate;
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class Q_GUI_EXPORT QTreeWidgetItemIterator
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{
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friend class QTreeModel;
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public:
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enum IteratorFlag {
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All = 0x00000000,
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Hidden = 0x00000001,
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NotHidden = 0x00000002,
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Selected = 0x00000004,
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Unselected = 0x00000008,
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Selectable = 0x00000010,
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NotSelectable = 0x00000020,
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DragEnabled = 0x00000040,
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DragDisabled = 0x00000080,
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DropEnabled = 0x00000100,
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DropDisabled = 0x00000200,
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HasChildren = 0x00000400,
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NoChildren = 0x00000800,
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Checked = 0x00001000,
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NotChecked = 0x00002000,
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Enabled = 0x00004000,
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Disabled = 0x00008000,
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Editable = 0x00010000,
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NotEditable = 0x00020000,
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UserFlag = 0x01000000 // The first flag that can be used by the user.
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};
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Q_DECLARE_FLAGS(IteratorFlags, IteratorFlag)
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QTreeWidgetItemIterator(const QTreeWidgetItemIterator &it);
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explicit QTreeWidgetItemIterator(QTreeWidget *widget, IteratorFlags flags = All);
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explicit QTreeWidgetItemIterator(QTreeWidgetItem *item, IteratorFlags flags = All);
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~QTreeWidgetItemIterator();
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QTreeWidgetItemIterator &operator=(const QTreeWidgetItemIterator &it);
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QTreeWidgetItemIterator &operator++();
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inline const QTreeWidgetItemIterator operator++(int);
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inline QTreeWidgetItemIterator &operator+=(int n);
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QTreeWidgetItemIterator &operator--();
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inline const QTreeWidgetItemIterator operator--(int);
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inline QTreeWidgetItemIterator &operator-=(int n);
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inline QTreeWidgetItem *operator*() const;
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private:
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bool matchesFlags(const QTreeWidgetItem *item) const;
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QScopedPointer<QTreeWidgetItemIteratorPrivate> d_ptr;
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QTreeWidgetItem *current;
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IteratorFlags flags;
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Q_DECLARE_PRIVATE(QTreeWidgetItemIterator)
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};
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inline const QTreeWidgetItemIterator QTreeWidgetItemIterator::operator++(int)
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{
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QTreeWidgetItemIterator it = *this;
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++(*this);
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return it;
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}
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inline const QTreeWidgetItemIterator QTreeWidgetItemIterator::operator--(int)
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{
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QTreeWidgetItemIterator it = *this;
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--(*this);
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return it;
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}
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inline QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator+=(int n)
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{
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if (n < 0)
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return (*this) -= (-n);
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while (current && n--)
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++(*this);
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return *this;
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}
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inline QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator-=(int n)
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{
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if (n < 0)
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return (*this) += (-n);
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while (current && n--)
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--(*this);
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return *this;
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}
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inline QTreeWidgetItem *QTreeWidgetItemIterator::operator*() const
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{
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return current;
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}
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Q_DECLARE_OPERATORS_FOR_FLAGS(QTreeWidgetItemIterator::IteratorFlags)
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QT_END_NAMESPACE
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#endif // QT_NO_TREEWIDGET
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QT_END_HEADER
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#endif // QTREEWIDGETITEMITERATOR_H
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