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Qt/GameTracker: Work around Qt crash

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Works around a bug in QtCore that will cause crashes when
QFileSystemWatcher::addPath is called on a directory that is located on a
removable device (USB mass storage devices, etc.)
This commit is contained in:
spycrab 2018-07-05 21:56:09 +02:00
parent 9ea3e833ba
commit bb2eed2df3
1 changed files with 29 additions and 2 deletions
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31
Source/Core/DolphinQt2/GameList/GameTracker.cpp
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@ -119,9 +119,36 @@ void GameTracker::StartInternal()
m_cache.Save();
}
// Works around a bug in QtCore that will cause crashes when QFileSystemWatcher::addPath
// is called on a directory that is located on a removable device
static bool IsOnRemovableMedia(const QString& dir)
{
#ifdef _WIN32
const QString absolute_dir = QFileInfo(dir).absolutePath();
if (absolute_dir.startsWith(QStringLiteral("//")))
return true;
const QString root_dir = QDir::toNativeSeparators(absolute_dir.left(3));
auto type = GetDriveType(root_dir.toStdWString().c_str());
switch (type)
{
case DRIVE_REMOVABLE:
case DRIVE_REMOTE:
case DRIVE_CDROM:
case DRIVE_UNKNOWN:
case DRIVE_NO_ROOT_DIR:
return true;
default:
return false;
}
#else
return false;
#endif
}
bool GameTracker::AddPath(const QString& dir)
{
if (Settings::Instance().IsAutoRefreshEnabled())
if (Settings::Instance().IsAutoRefreshEnabled() && !IsOnRemovableMedia(dir))
return addPath(dir);
m_tracked_paths.push_back(dir);
@ -131,7 +158,7 @@ bool GameTracker::AddPath(const QString& dir)
bool GameTracker::RemovePath(const QString& dir)
{
if (Settings::Instance().IsAutoRefreshEnabled())
if (Settings::Instance().IsAutoRefreshEnabled() && !IsOnRemovableMedia(dir))
return removePath(dir);
const auto index = m_tracked_paths.indexOf(dir);