188 lines
7.3 KiB
C++
188 lines
7.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtWidgets module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the 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 The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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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 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 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 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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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 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QFILESYSTEMMODEL_H
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#define QFILESYSTEMMODEL_H
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#include <QtWidgets/qtwidgetsglobal.h>
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#include <QtCore/qabstractitemmodel.h>
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#include <QtCore/qpair.h>
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#include <QtCore/qdir.h>
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#include <QtGui/qicon.h>
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#include <QtCore/qdiriterator.h>
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QT_REQUIRE_CONFIG(filesystemmodel);
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QT_BEGIN_NAMESPACE
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class ExtendedInformation;
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class QFileSystemModelPrivate;
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class QFileIconProvider;
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class Q_WIDGETS_EXPORT QFileSystemModel : public QAbstractItemModel
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{
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Q_OBJECT
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Q_PROPERTY(bool resolveSymlinks READ resolveSymlinks WRITE setResolveSymlinks)
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Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)
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Q_PROPERTY(bool nameFilterDisables READ nameFilterDisables WRITE setNameFilterDisables)
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Q_PROPERTY(Options options READ options WRITE setOptions)
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Q_SIGNALS:
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void rootPathChanged(const QString &newPath);
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void fileRenamed(const QString &path, const QString &oldName, const QString &newName);
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void directoryLoaded(const QString &path);
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public:
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enum Roles {
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FileIconRole = Qt::DecorationRole,
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FilePathRole = Qt::UserRole + 1,
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FileNameRole = Qt::UserRole + 2,
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FilePermissions = Qt::UserRole + 3
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};
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enum Option
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{
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DontWatchForChanges = 0x00000001,
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DontResolveSymlinks = 0x00000002,
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DontUseCustomDirectoryIcons = 0x00000004
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};
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Q_ENUM(Option)
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Q_DECLARE_FLAGS(Options, Option)
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explicit QFileSystemModel(QObject *parent = nullptr);
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~QFileSystemModel();
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QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
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QModelIndex index(const QString &path, int column = 0) const;
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QModelIndex parent(const QModelIndex &child) const override;
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using QObject::parent;
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QModelIndex sibling(int row, int column, const QModelIndex &idx) const override;
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bool hasChildren(const QModelIndex &parent = QModelIndex()) const override;
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bool canFetchMore(const QModelIndex &parent) const override;
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void fetchMore(const QModelIndex &parent) override;
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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int columnCount(const QModelIndex &parent = QModelIndex()) const override;
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QVariant myComputer(int role = Qt::DisplayRole) const;
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QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
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bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
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QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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void sort(int column, Qt::SortOrder order = Qt::AscendingOrder) override;
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QStringList mimeTypes() const override;
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QMimeData *mimeData(const QModelIndexList &indexes) const override;
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bool dropMimeData(const QMimeData *data, Qt::DropAction action,
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int row, int column, const QModelIndex &parent) override;
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Qt::DropActions supportedDropActions() const override;
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// QFileSystemModel specific API
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QModelIndex setRootPath(const QString &path);
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QString rootPath() const;
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QDir rootDirectory() const;
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void setIconProvider(QFileIconProvider *provider);
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QFileIconProvider *iconProvider() const;
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void setFilter(QDir::Filters filters);
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QDir::Filters filter() const;
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void setResolveSymlinks(bool enable);
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bool resolveSymlinks() const;
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void setReadOnly(bool enable);
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bool isReadOnly() const;
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void setNameFilterDisables(bool enable);
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bool nameFilterDisables() const;
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void setNameFilters(const QStringList &filters);
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QStringList nameFilters() const;
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void setOption(Option option, bool on = true);
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bool testOption(Option option) const;
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void setOptions(Options options);
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Options options() const;
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QString filePath(const QModelIndex &index) const;
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bool isDir(const QModelIndex &index) const;
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qint64 size(const QModelIndex &index) const;
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QString type(const QModelIndex &index) const;
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QDateTime lastModified(const QModelIndex &index) const;
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QModelIndex mkdir(const QModelIndex &parent, const QString &name);
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bool rmdir(const QModelIndex &index);
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inline QString fileName(const QModelIndex &index) const;
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inline QIcon fileIcon(const QModelIndex &index) const;
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QFile::Permissions permissions(const QModelIndex &index) const;
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QFileInfo fileInfo(const QModelIndex &index) const;
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bool remove(const QModelIndex &index);
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protected:
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QFileSystemModel(QFileSystemModelPrivate &, QObject *parent = nullptr);
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void timerEvent(QTimerEvent *event) override;
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bool event(QEvent *event) override;
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private:
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Q_DECLARE_PRIVATE(QFileSystemModel)
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Q_DISABLE_COPY(QFileSystemModel)
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Q_PRIVATE_SLOT(d_func(), void _q_directoryChanged(const QString &directory, const QStringList &list))
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Q_PRIVATE_SLOT(d_func(), void _q_performDelayedSort())
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Q_PRIVATE_SLOT(d_func(), void _q_fileSystemChanged(const QString &path, const QVector<QPair<QString, QFileInfo> > &))
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Q_PRIVATE_SLOT(d_func(), void _q_resolvedName(const QString &fileName, const QString &resolvedName))
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friend class QFileDialogPrivate;
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};
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inline QString QFileSystemModel::fileName(const QModelIndex &aindex) const
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{ return aindex.data(Qt::DisplayRole).toString(); }
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inline QIcon QFileSystemModel::fileIcon(const QModelIndex &aindex) const
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{ return qvariant_cast<QIcon>(aindex.data(Qt::DecorationRole)); }
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Q_DECLARE_OPERATORS_FOR_FLAGS(QFileSystemModel::Options)
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QT_END_NAMESPACE
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#endif // QFILESYSTEMMODEL_H
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