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Diffstat (limited to 'src/widgets/itemviews/qtreewidgetitemiterator.h')
| -rw-r--r-- | src/widgets/itemviews/qtreewidgetitemiterator.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/widgets/itemviews/qtreewidgetitemiterator.h b/src/widgets/itemviews/qtreewidgetitemiterator.h new file mode 100644 index 0000000000..8d27afe2c3 --- /dev/null +++ b/src/widgets/itemviews/qtreewidgetitemiterator.h @@ -0,0 +1,159 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 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 to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QTREEWIDGETITEMITERATOR_H +#define QTREEWIDGETITEMITERATOR_H + +#include <QtCore/qglobal.h> +#include <QtCore/qscopedpointer.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Gui) + +#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 +QT_END_HEADER + +#endif // QTREEWIDGETITEMITERATOR_H |