| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWidgets module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see http://www.qt.io/terms-conditions. For further |
| ** information use the contact form at http://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 2.1 or version 3 as published by the Free |
| ** Software Foundation and appearing in the file LICENSE.LGPLv21 and |
| ** LICENSE.LGPLv3 included in the packaging of this file. Please review the |
| ** following information to ensure the GNU Lesser General Public License |
| ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and |
| ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
| ** |
| ** As a special exception, The Qt Company gives you certain additional |
| ** rights. These rights are described in The Qt Company LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QTREEWIDGETITEMITERATOR_H |
| #define QTREEWIDGETITEMITERATOR_H |
| |
| #include <QtCore/qglobal.h> |
| #include <QtCore/qscopedpointer.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| #ifndef QT_NO_TREEWIDGET |
| |
| class QTreeWidget; |
| class QTreeWidgetItem; |
| class QTreeModel; |
| |
| class QTreeWidgetItemIteratorPrivate; |
| class Q_WIDGETS_EXPORT QTreeWidgetItemIterator |
| { |
| friend class QTreeModel; |
| |
| public: |
| enum IteratorFlag { |
| All = 0x00000000, |
| Hidden = 0x00000001, |
| NotHidden = 0x00000002, |
| Selected = 0x00000004, |
| Unselected = 0x00000008, |
| Selectable = 0x00000010, |
| NotSelectable = 0x00000020, |
| DragEnabled = 0x00000040, |
| DragDisabled = 0x00000080, |
| DropEnabled = 0x00000100, |
| DropDisabled = 0x00000200, |
| HasChildren = 0x00000400, |
| NoChildren = 0x00000800, |
| Checked = 0x00001000, |
| NotChecked = 0x00002000, |
| Enabled = 0x00004000, |
| Disabled = 0x00008000, |
| Editable = 0x00010000, |
| NotEditable = 0x00020000, |
| UserFlag = 0x01000000 // The first flag that can be used by the user. |
| }; |
| Q_DECLARE_FLAGS(IteratorFlags, IteratorFlag) |
| |
| QTreeWidgetItemIterator(const QTreeWidgetItemIterator &it); |
| explicit QTreeWidgetItemIterator(QTreeWidget *widget, IteratorFlags flags = All); |
| explicit QTreeWidgetItemIterator(QTreeWidgetItem *item, IteratorFlags flags = All); |
| ~QTreeWidgetItemIterator(); |
| |
| QTreeWidgetItemIterator &operator=(const QTreeWidgetItemIterator &it); |
| |
| QTreeWidgetItemIterator &operator++(); |
| inline const QTreeWidgetItemIterator operator++(int); |
| inline QTreeWidgetItemIterator &operator+=(int n); |
| |
| QTreeWidgetItemIterator &operator--(); |
| inline const QTreeWidgetItemIterator operator--(int); |
| inline QTreeWidgetItemIterator &operator-=(int n); |
| |
| inline QTreeWidgetItem *operator*() const; |
| |
| private: |
| bool matchesFlags(const QTreeWidgetItem *item) const; |
| QScopedPointer<QTreeWidgetItemIteratorPrivate> d_ptr; |
| QTreeWidgetItem *current; |
| IteratorFlags flags; |
| Q_DECLARE_PRIVATE(QTreeWidgetItemIterator) |
| }; |
| |
| inline const QTreeWidgetItemIterator QTreeWidgetItemIterator::operator++(int) |
| { |
| QTreeWidgetItemIterator it = *this; |
| ++(*this); |
| return it; |
| } |
| |
| inline const QTreeWidgetItemIterator QTreeWidgetItemIterator::operator--(int) |
| { |
| QTreeWidgetItemIterator it = *this; |
| --(*this); |
| return it; |
| } |
| |
| inline QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator+=(int n) |
| { |
| if (n < 0) |
| return (*this) -= (-n); |
| while (current && n--) |
| ++(*this); |
| return *this; |
| } |
| |
| inline QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator-=(int n) |
| { |
| if (n < 0) |
| return (*this) += (-n); |
| while (current && n--) |
| --(*this); |
| return *this; |
| } |
| |
| inline QTreeWidgetItem *QTreeWidgetItemIterator::operator*() const |
| { |
| return current; |
| } |
| |
| Q_DECLARE_OPERATORS_FOR_FLAGS(QTreeWidgetItemIterator::IteratorFlags) |
| |
| |
| QT_END_NAMESPACE |
| #endif // QT_NO_TREEWIDGET |
| #endif // QTREEWIDGETITEMITERATOR_H |