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| |
| #ifndef QFILESYSTEMMODEL_P_H |
| #define QFILESYSTEMMODEL_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtWidgets/private/qtwidgetsglobal_p.h> |
| #include "qfilesystemmodel.h" |
| |
| #include <private/qabstractitemmodel_p.h> |
| #include <qabstractitemmodel.h> |
| #include "qfileinfogatherer_p.h" |
| #include <qpair.h> |
| #include <qdir.h> |
| #include <qicon.h> |
| #include <qfileinfo.h> |
| #include <qtimer.h> |
| #include <qhash.h> |
| |
| QT_REQUIRE_CONFIG(filesystemmodel); |
| |
| QT_BEGIN_NAMESPACE |
| |
| class ExtendedInformation; |
| class QFileSystemModelPrivate; |
| class QFileIconProvider; |
| |
| #if defined(Q_OS_WIN) |
| class QFileSystemModelNodePathKey : public QString |
| { |
| public: |
| QFileSystemModelNodePathKey() {} |
| QFileSystemModelNodePathKey(const QString &other) : QString(other) {} |
| QFileSystemModelNodePathKey(const QFileSystemModelNodePathKey &other) : QString(other) {} |
| bool operator==(const QFileSystemModelNodePathKey &other) const { return !compare(other, Qt::CaseInsensitive); } |
| }; |
| |
| Q_DECLARE_TYPEINFO(QFileSystemModelNodePathKey, Q_MOVABLE_TYPE); |
| |
| inline uint qHash(const QFileSystemModelNodePathKey &key) { return qHash(key.toCaseFolded()); } |
| #else // Q_OS_WIN |
| typedef QString QFileSystemModelNodePathKey; |
| #endif |
| |
| class Q_AUTOTEST_EXPORT QFileSystemModelPrivate : public QAbstractItemModelPrivate |
| { |
| Q_DECLARE_PUBLIC(QFileSystemModel) |
| |
| public: |
| enum { NumColumns = 4 }; |
| |
| class QFileSystemNode |
| { |
| public: |
| Q_DISABLE_COPY_MOVE(QFileSystemNode) |
| |
| explicit QFileSystemNode(const QString &filename = QString(), QFileSystemNode *p = nullptr) |
| : fileName(filename), parent(p) {} |
| ~QFileSystemNode() { |
| qDeleteAll(children); |
| delete info; |
| } |
| |
| QString fileName; |
| #if defined(Q_OS_WIN) |
| QString volumeName; |
| #endif |
| |
| inline qint64 size() const { if (info && !info->isDir()) return info->size(); return 0; } |
| inline QString type() const { if (info) return info->displayType; return QLatin1String(""); } |
| inline QDateTime lastModified() const { if (info) return info->lastModified(); return QDateTime(); } |
| inline QFile::Permissions permissions() const { if (info) return info->permissions(); return { }; } |
| inline bool isReadable() const { return ((permissions() & QFile::ReadUser) != 0); } |
| inline bool isWritable() const { return ((permissions() & QFile::WriteUser) != 0); } |
| inline bool isExecutable() const { return ((permissions() & QFile::ExeUser) != 0); } |
| inline bool isDir() const { |
| if (info) |
| return info->isDir(); |
| if (children.count() > 0) |
| return true; |
| return false; |
| } |
| inline QFileInfo fileInfo() const { if (info) return info->fileInfo(); return QFileInfo(); } |
| inline bool isFile() const { if (info) return info->isFile(); return true; } |
| inline bool isSystem() const { if (info) return info->isSystem(); return true; } |
| inline bool isHidden() const { if (info) return info->isHidden(); return false; } |
| inline bool isSymLink(bool ignoreNtfsSymLinks = false) const { return info && info->isSymLink(ignoreNtfsSymLinks); } |
| inline bool caseSensitive() const { if (info) return info->isCaseSensitive(); return false; } |
| inline QIcon icon() const { if (info) return info->icon; return QIcon(); } |
| |
| inline bool operator <(const QFileSystemNode &node) const { |
| if (caseSensitive() || node.caseSensitive()) |
| return fileName < node.fileName; |
| return QString::compare(fileName, node.fileName, Qt::CaseInsensitive) < 0; |
| } |
| inline bool operator >(const QString &name) const { |
| if (caseSensitive()) |
| return fileName > name; |
| return QString::compare(fileName, name, Qt::CaseInsensitive) > 0; |
| } |
| inline bool operator <(const QString &name) const { |
| if (caseSensitive()) |
| return fileName < name; |
| return QString::compare(fileName, name, Qt::CaseInsensitive) < 0; |
| } |
| inline bool operator !=(const QExtendedInformation &fileInfo) const { |
| return !operator==(fileInfo); |
| } |
| bool operator ==(const QString &name) const { |
| if (caseSensitive()) |
| return fileName == name; |
| return QString::compare(fileName, name, Qt::CaseInsensitive) == 0; |
| } |
| bool operator ==(const QExtendedInformation &fileInfo) const { |
| return info && (*info == fileInfo); |
| } |
| |
| inline bool hasInformation() const { return info != nullptr; } |
| |
| void populate(const QExtendedInformation &fileInfo) { |
| if (!info) |
| info = new QExtendedInformation(fileInfo.fileInfo()); |
| (*info) = fileInfo; |
| } |
| |
| // children shouldn't normally be accessed directly, use node() |
| inline int visibleLocation(const QString &childName) { |
| return visibleChildren.indexOf(childName); |
| } |
| void updateIcon(QFileIconProvider *iconProvider, const QString &path) { |
| if (info) |
| info->icon = iconProvider->icon(QFileInfo(path)); |
| for (QFileSystemNode *child : qAsConst(children)) { |
| //On windows the root (My computer) has no path so we don't want to add a / for nothing (e.g. /C:/) |
| if (!path.isEmpty()) { |
| if (path.endsWith(QLatin1Char('/'))) |
| child->updateIcon(iconProvider, path + child->fileName); |
| else |
| child->updateIcon(iconProvider, path + QLatin1Char('/') + child->fileName); |
| } else |
| child->updateIcon(iconProvider, child->fileName); |
| } |
| } |
| |
| void retranslateStrings(QFileIconProvider *iconProvider, const QString &path) { |
| if (info) |
| info->displayType = iconProvider->type(QFileInfo(path)); |
| for (QFileSystemNode *child : qAsConst(children)) { |
| //On windows the root (My computer) has no path so we don't want to add a / for nothing (e.g. /C:/) |
| if (!path.isEmpty()) { |
| if (path.endsWith(QLatin1Char('/'))) |
| child->retranslateStrings(iconProvider, path + child->fileName); |
| else |
| child->retranslateStrings(iconProvider, path + QLatin1Char('/') + child->fileName); |
| } else |
| child->retranslateStrings(iconProvider, child->fileName); |
| } |
| } |
| |
| QHash<QFileSystemModelNodePathKey, QFileSystemNode *> children; |
| QList<QString> visibleChildren; |
| QExtendedInformation *info = nullptr; |
| QFileSystemNode *parent; |
| int dirtyChildrenIndex = -1; |
| bool populatedChildren = false; |
| bool isVisible = false; |
| }; |
| |
| QFileSystemModelPrivate() = default; |
| void init(); |
| /* |
| \internal |
| |
| Return true if index which is owned by node is hidden by the filter. |
| */ |
| inline bool isHiddenByFilter(QFileSystemNode *indexNode, const QModelIndex &index) const |
| { |
| return (indexNode != &root && !index.isValid()); |
| } |
| QFileSystemNode *node(const QModelIndex &index) const; |
| QFileSystemNode *node(const QString &path, bool fetch = true) const; |
| inline QModelIndex index(const QString &path, int column = 0) { return index(node(path), column); } |
| QModelIndex index(const QFileSystemNode *node, int column = 0) const; |
| bool filtersAcceptsNode(const QFileSystemNode *node) const; |
| bool passNameFilters(const QFileSystemNode *node) const; |
| void removeNode(QFileSystemNode *parentNode, const QString &name); |
| QFileSystemNode* addNode(QFileSystemNode *parentNode, const QString &fileName, const QFileInfo &info); |
| void addVisibleFiles(QFileSystemNode *parentNode, const QStringList &newFiles); |
| void removeVisibleFile(QFileSystemNode *parentNode, int visibleLocation); |
| void sortChildren(int column, const QModelIndex &parent); |
| |
| inline int translateVisibleLocation(QFileSystemNode *parent, int row) const { |
| if (sortOrder != Qt::AscendingOrder) { |
| if (parent->dirtyChildrenIndex == -1) |
| return parent->visibleChildren.count() - row - 1; |
| |
| if (row < parent->dirtyChildrenIndex) |
| return parent->dirtyChildrenIndex - row - 1; |
| } |
| |
| return row; |
| } |
| |
| inline static QString myComputer() { |
| // ### TODO We should query the system to find out what the string should be |
| // XP == "My Computer", |
| // Vista == "Computer", |
| // OS X == "Computer" (sometime user generated) "Benjamin's PowerBook G4" |
| #ifdef Q_OS_WIN |
| return QFileSystemModel::tr("My Computer"); |
| #else |
| return QFileSystemModel::tr("Computer"); |
| #endif |
| } |
| |
| inline void delayedSort() { |
| if (!delayedSortTimer.isActive()) |
| delayedSortTimer.start(0); |
| } |
| |
| QIcon icon(const QModelIndex &index) const; |
| QString name(const QModelIndex &index) const; |
| QString displayName(const QModelIndex &index) const; |
| QString filePath(const QModelIndex &index) const; |
| QString size(const QModelIndex &index) const; |
| static QString size(qint64 bytes); |
| QString type(const QModelIndex &index) const; |
| QString time(const QModelIndex &index) const; |
| |
| void _q_directoryChanged(const QString &directory, const QStringList &list); |
| void _q_performDelayedSort(); |
| void _q_fileSystemChanged(const QString &path, const QVector<QPair<QString, QFileInfo> > &); |
| void _q_resolvedName(const QString &fileName, const QString &resolvedName); |
| |
| QDir rootDir; |
| #if QT_CONFIG(filesystemwatcher) |
| # ifdef Q_OS_WIN |
| QStringList unwatchPathsAt(const QModelIndex &); |
| void watchPaths(const QStringList &paths) { fileInfoGatherer.watchPaths(paths); } |
| # endif // Q_OS_WIN |
| QFileInfoGatherer fileInfoGatherer; |
| #endif // filesystemwatcher |
| QTimer delayedSortTimer; |
| QHash<const QFileSystemNode*, bool> bypassFilters; |
| #if QT_CONFIG(regularexpression) |
| QStringList nameFilters; |
| #endif |
| QHash<QString, QString> resolvedSymLinks; |
| |
| QFileSystemNode root; |
| |
| struct Fetching { |
| QString dir; |
| QString file; |
| const QFileSystemNode *node; |
| }; |
| QVector<Fetching> toFetch; |
| |
| QBasicTimer fetchingTimer; |
| |
| QDir::Filters filters = QDir::AllEntries | QDir::NoDotAndDotDot | QDir::AllDirs; |
| int sortColumn = 0; |
| Qt::SortOrder sortOrder = Qt::AscendingOrder; |
| bool forceSort = true; |
| bool readOnly = true; |
| bool setRootPath = false; |
| bool nameFilterDisables = true; // false on windows, true on mac and unix |
| // This flag is an optimization for QFileDialog. It enables a sort which is |
| // not recursive, meaning we sort only what we see. |
| bool disableRecursiveSort = false; |
| }; |
| Q_DECLARE_TYPEINFO(QFileSystemModelPrivate::Fetching, Q_MOVABLE_TYPE); |
| |
| QT_END_NAMESPACE |
| |
| #endif |
