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| author | Petr Mrázek <peterix@gmail.com> | 2021-07-25 19:11:59 +0200 |
|---|---|---|
| committer | Petr Mrázek <peterix@gmail.com> | 2021-07-25 19:50:44 +0200 |
| commit | 20b9f2b42a3b58b6081af271774fbcc34025dccb (patch) | |
| tree | 064fa59facb3357139b47bd4e60bfc8edb35ca11 /launcher/RecursiveFileSystemWatcher.cpp | |
| parent | dd133680858351e3e07690e286882327a4f42ba5 (diff) | |
| download | PrismLauncher-20b9f2b42a3b58b6081af271774fbcc34025dccb.tar.gz PrismLauncher-20b9f2b42a3b58b6081af271774fbcc34025dccb.tar.bz2 PrismLauncher-20b9f2b42a3b58b6081af271774fbcc34025dccb.zip | |
NOISSUE Flatten gui and logic libraries into MultiMC
Diffstat (limited to 'launcher/RecursiveFileSystemWatcher.cpp')
| -rw-r--r-- | launcher/RecursiveFileSystemWatcher.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/launcher/RecursiveFileSystemWatcher.cpp b/launcher/RecursiveFileSystemWatcher.cpp new file mode 100644 index 00000000..b7417cdf --- /dev/null +++ b/launcher/RecursiveFileSystemWatcher.cpp @@ -0,0 +1,111 @@ +#include "RecursiveFileSystemWatcher.h" + +#include <QRegularExpression> +#include <QDebug> + +RecursiveFileSystemWatcher::RecursiveFileSystemWatcher(QObject *parent) + : QObject(parent), m_watcher(new QFileSystemWatcher(this)) +{ + connect(m_watcher, &QFileSystemWatcher::fileChanged, this, + &RecursiveFileSystemWatcher::fileChange); + connect(m_watcher, &QFileSystemWatcher::directoryChanged, this, + &RecursiveFileSystemWatcher::directoryChange); +} + +void RecursiveFileSystemWatcher::setRootDir(const QDir &root) +{ + bool wasEnabled = m_isEnabled; + disable(); + m_root = root; + setFiles(scanRecursive(m_root)); + if (wasEnabled) + { + enable(); + } +} +void RecursiveFileSystemWatcher::setWatchFiles(const bool watchFiles) +{ + bool wasEnabled = m_isEnabled; + disable(); + m_watchFiles = watchFiles; + if (wasEnabled) + { + enable(); + } +} + +void RecursiveFileSystemWatcher::enable() +{ + if (m_isEnabled) + { + return; + } + Q_ASSERT(m_root != QDir::root()); + addFilesToWatcherRecursive(m_root); + m_isEnabled = true; +} +void RecursiveFileSystemWatcher::disable() +{ + if (!m_isEnabled) + { + return; + } + m_isEnabled = false; + m_watcher->removePaths(m_watcher->files()); + m_watcher->removePaths(m_watcher->directories()); +} + +void RecursiveFileSystemWatcher::setFiles(const QStringList &files) +{ + if (files != m_files) + { + m_files = files; + emit filesChanged(); + } +} + +void RecursiveFileSystemWatcher::addFilesToWatcherRecursive(const QDir &dir) +{ + m_watcher->addPath(dir.absolutePath()); + for (const QString &directory : dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot)) + { + addFilesToWatcherRecursive(dir.absoluteFilePath(directory)); + } + if (m_watchFiles) + { + for (const QFileInfo &info : dir.entryInfoList(QDir::Files)) + { + m_watcher->addPath(info.absoluteFilePath()); + } + } +} +QStringList RecursiveFileSystemWatcher::scanRecursive(const QDir &directory) +{ + QStringList ret; + if(!m_matcher) + { + return {}; + } + for (const QString &dir : directory.entryList(QDir::Dirs | QDir::NoDotAndDotDot | QDir::Hidden)) + { + ret.append(scanRecursive(directory.absoluteFilePath(dir))); + } + for (const QString &file : directory.entryList(QDir::Files | QDir::Hidden)) + { + auto relPath = m_root.relativeFilePath(directory.absoluteFilePath(file)); + if (m_matcher->matches(relPath)) + { + ret.append(relPath); + } + } + return ret; +} + +void RecursiveFileSystemWatcher::fileChange(const QString &path) +{ + emit fileChanged(path); +} +void RecursiveFileSystemWatcher::directoryChange(const QString &path) +{ + setFiles(scanRecursive(m_root)); +} |