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-rw-r--r--src/corelib/io/qsettings.cpp94
1 files changed, 72 insertions, 22 deletions
diff --git a/src/corelib/io/qsettings.cpp b/src/corelib/io/qsettings.cpp
index c3b217670a..b67afe0e0f 100644
--- a/src/corelib/io/qsettings.cpp
+++ b/src/corelib/io/qsettings.cpp
@@ -136,7 +136,18 @@ Q_DECLARE_TYPEINFO(QConfFileCustomFormat, Q_MOVABLE_TYPE);
typedef QHash<QString, QConfFile *> ConfFileHash;
typedef QCache<QString, QConfFile> ConfFileCache;
-typedef QHash<int, QString> PathHash;
+namespace {
+ struct Path
+ {
+ // Note: Defining constructors explicitly because of buggy C++11
+ // implementation in MSVC (uniform initialization).
+ Path() {}
+ Path(const QString & p, bool ud) : path(p), userDefined(ud) {}
+ QString path;
+ bool userDefined; //!< true - user defined, overridden by setPath
+ };
+}
+typedef QHash<int, Path> PathHash;
typedef QVector<QConfFileCustomFormat> CustomFormatVector;
Q_GLOBAL_STATIC(ConfFileHash, usedHashFunc)
@@ -1065,22 +1076,22 @@ static void initDefaultPaths(QMutexLocker *locker)
*/
#ifdef Q_OS_WIN
pathHash->insert(pathHashKey(QSettings::IniFormat, QSettings::UserScope),
- windowsConfigPath(CSIDL_APPDATA) + QDir::separator());
+ Path(windowsConfigPath(CSIDL_APPDATA) + QDir::separator(), false));
pathHash->insert(pathHashKey(QSettings::IniFormat, QSettings::SystemScope),
- windowsConfigPath(CSIDL_COMMON_APPDATA) + QDir::separator());
+ Path(windowsConfigPath(CSIDL_COMMON_APPDATA) + QDir::separator(), false));
#else
const QString userPath = make_user_path();
- pathHash->insert(pathHashKey(QSettings::IniFormat, QSettings::UserScope), userPath);
- pathHash->insert(pathHashKey(QSettings::IniFormat, QSettings::SystemScope), systemPath);
+ pathHash->insert(pathHashKey(QSettings::IniFormat, QSettings::UserScope), Path(userPath, false));
+ pathHash->insert(pathHashKey(QSettings::IniFormat, QSettings::SystemScope), Path(systemPath, false));
#ifndef Q_OS_MAC
- pathHash->insert(pathHashKey(QSettings::NativeFormat, QSettings::UserScope), userPath);
- pathHash->insert(pathHashKey(QSettings::NativeFormat, QSettings::SystemScope), systemPath);
+ pathHash->insert(pathHashKey(QSettings::NativeFormat, QSettings::UserScope), Path(userPath, false));
+ pathHash->insert(pathHashKey(QSettings::NativeFormat, QSettings::SystemScope), Path(systemPath, false));
#endif
#endif // Q_OS_WIN
}
}
-static QString getPath(QSettings::Format format, QSettings::Scope scope)
+static Path getPath(QSettings::Format format, QSettings::Scope scope)
{
Q_ASSERT((int)QSettings::NativeFormat == 0);
Q_ASSERT((int)QSettings::IniFormat == 1);
@@ -1090,14 +1101,23 @@ static QString getPath(QSettings::Format format, QSettings::Scope scope)
if (pathHash->isEmpty())
initDefaultPaths(&locker);
- QString result = pathHash->value(pathHashKey(format, scope));
- if (!result.isEmpty())
+ Path result = pathHash->value(pathHashKey(format, scope));
+ if (!result.path.isEmpty())
return result;
// fall back on INI path
return pathHash->value(pathHashKey(QSettings::IniFormat, scope));
}
+#if defined(QT_BUILD_INTERNAL) && defined(Q_XDG_PLATFORM) && !defined(QT_NO_STANDARDPATHS)
+// Note: Suitable only for autotests.
+void Q_AUTOTEST_EXPORT clearDefaultPaths()
+{
+ QMutexLocker locker(&settingsGlobalMutex);
+ pathHashFunc()->clear();
+}
+#endif // QT_BUILD_INTERNAL && Q_XDG_PLATFORM && !QT_NO_STANDARDPATHS
+
QConfFileSettingsPrivate::QConfFileSettingsPrivate(QSettings::Format format,
QSettings::Scope scope,
const QString &organization,
@@ -1117,16 +1137,44 @@ QConfFileSettingsPrivate::QConfFileSettingsPrivate(QSettings::Format format,
QString orgFile = org + extension;
if (scope == QSettings::UserScope) {
- QString userPath = getPath(format, QSettings::UserScope);
+ Path userPath = getPath(format, QSettings::UserScope);
if (!application.isEmpty())
- confFiles.append(QConfFile::fromName(userPath + appFile, true));
- confFiles.append(QConfFile::fromName(userPath + orgFile, true));
+ confFiles.append(QConfFile::fromName(userPath.path + appFile, true));
+ confFiles.append(QConfFile::fromName(userPath.path + orgFile, true));
}
- QString systemPath = getPath(format, QSettings::SystemScope);
- if (!application.isEmpty())
- confFiles.append(QConfFile::fromName(systemPath + appFile, false));
- confFiles.append(QConfFile::fromName(systemPath + orgFile, false));
+ Path systemPath = getPath(format, QSettings::SystemScope);
+#if defined(Q_XDG_PLATFORM) && !defined(QT_NO_STANDARDPATHS)
+ // check if the systemPath wasn't overridden by QSettings::setPath()
+ if (!systemPath.userDefined) {
+ // Note: We can't use QStandardPaths::locateAll() as we need all the
+ // possible files (not just the existing ones) and there is no way
+ // to exclude user specific (XDG_CONFIG_HOME) directory from the search.
+ QStringList dirs = QStandardPaths::standardLocations(QStandardPaths::GenericConfigLocation);
+ // remove the QStandardLocation::writableLocation() (XDG_CONFIG_HOME)
+ if (!dirs.isEmpty())
+ dirs.takeFirst();
+ QStringList paths;
+ if (!application.isEmpty()) {
+ paths.reserve(dirs.size() * 2);
+ for (const auto &dir : qAsConst(dirs))
+ paths.append(dir + QLatin1Char('/') + appFile);
+ } else {
+ paths.reserve(dirs.size());
+ }
+ for (const auto &dir : qAsConst(dirs))
+ paths.append(dir + QLatin1Char('/') + orgFile);
+
+ // Note: No check for existence of files is done intentionaly.
+ for (const auto &path : qAsConst(paths))
+ confFiles.append(QConfFile::fromName(path, false));
+ } else
+#endif // Q_XDG_PLATFORM && !QT_NO_STANDARDPATHS
+ {
+ if (!application.isEmpty())
+ confFiles.append(QConfFile::fromName(systemPath.path + appFile, false));
+ confFiles.append(QConfFile::fromName(systemPath.path + orgFile, false));
+ }
initAccess();
}
@@ -2169,9 +2217,10 @@ void QConfFileSettingsPrivate::ensureSectionParsed(QConfFile *confFile,
\list 1
\li \c{$HOME/.config/MySoft/Star Runner.conf} (Qt for Embedded Linux: \c{$HOME/Settings/MySoft/Star Runner.conf})
\li \c{$HOME/.config/MySoft.conf} (Qt for Embedded Linux: \c{$HOME/Settings/MySoft.conf})
- \li \c{/etc/xdg/MySoft/Star Runner.conf}
- \li \c{/etc/xdg/MySoft.conf}
+ \li for each directory <dir> in $XDG_CONFIG_DIRS: \c{<dir>/MySoft/Star Runner.conf}
+ \li for each directory <dir> in $XDG_CONFIG_DIRS: \c{<dir>/MySoft.conf}
\endlist
+ \note If XDG_CONFIG_DIRS is unset, the default value of \c{/etc/xdg} is used.
On \macos versions 10.2 and 10.3, these files are used by
default:
@@ -2206,9 +2255,10 @@ void QConfFileSettingsPrivate::ensureSectionParsed(QConfFile *confFile,
\list 1
\li \c{$HOME/.config/MySoft/Star Runner.ini} (Qt for Embedded Linux: \c{$HOME/Settings/MySoft/Star Runner.ini})
\li \c{$HOME/.config/MySoft.ini} (Qt for Embedded Linux: \c{$HOME/Settings/MySoft.ini})
- \li \c{/etc/xdg/MySoft/Star Runner.ini}
- \li \c{/etc/xdg/MySoft.ini}
+ \li for each directory <dir> in $XDG_CONFIG_DIRS: \c{<dir>/MySoft/Star Runner.ini}
+ \li for each directory <dir> in $XDG_CONFIG_DIRS: \c{<dir>/MySoft.ini}
\endlist
+ \note If XDG_CONFIG_DIRS is unset, the default value of \c{/etc/xdg} is used.
On Windows, the following files are used:
@@ -3360,7 +3410,7 @@ void QSettings::setPath(Format format, Scope scope, const QString &path)
PathHash *pathHash = pathHashFunc();
if (pathHash->isEmpty())
initDefaultPaths(&locker);
- pathHash->insert(pathHashKey(format, scope), path + QDir::separator());
+ pathHash->insert(pathHashKey(format, scope), Path(path + QDir::separator(), true));
}
/*!
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