X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcommon%2Fsettings.cpp;h=cdb152cdf2b11b2d19b3ab7ebe2e0f0b39546cdf;hp=4f0618541067bcb551e0c61bf1985154f5fa4810;hb=10e6f4629e39c66cfb8db6ab2806bf8f13ec700b;hpb=44b22c4419f478a20f6324f9f3a700a2dec56302 diff --git a/src/common/settings.cpp b/src/common/settings.cpp index 4f061854..cdb152cd 100644 --- a/src/common/settings.cpp +++ b/src/common/settings.cpp @@ -1,11 +1,11 @@ /*************************************************************************** - * Copyright (C) 2005-07 by The Quassel Team * + * Copyright (C) 2005-2016 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * + * (at your option) version 3. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * @@ -15,62 +15,209 @@ * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * ***************************************************************************/ -#include #include -#include #include "settings.h" -Settings::Settings(QString g) : QObject(), group(g) { +const int VERSION = 1; /// Settings version for backwords/forwards incompatible changes + +// This is used if no VersionMinor key exists, e.g. upgrading from a Quassel version before this +// change. This shouldn't be increased from 1; instead, change the logic in Core::Core() and +// QtUiApplication::init() to handle upgrading and downgrading. +const int VERSION_MINOR_INITIAL = 1; /// Initial settings version for compatible changes + +QHash Settings::settingsCache; +QHash Settings::settingsChangeNotifier; + +#ifdef Q_OS_MAC +# define create_qsettings QSettings s(QCoreApplication::organizationDomain(), appName) +#else +# define create_qsettings QSettings s(fileName(), format()) +#endif + +// Settings::Settings(QString group_, QString appName_) +// : group(group_), +// appName(appName_) +// { + +// /* we need to call the constructor immediately in order to set the path... +// #ifndef Q_WS_QWS +// QSettings(QCoreApplication::organizationName(), applicationName); +// #else +// // FIXME sandboxDir() is not currently working correctly... +// //if(Qtopia::sandboxDir().isEmpty()) QSettings(); +// //else QSettings(Qtopia::sandboxDir() + "/etc/QuasselIRC.conf", QSettings::NativeFormat); +// // ...so we have to use a workaround: +// QString appPath = QCoreApplication::applicationFilePath(); +// if(appPath.startsWith(Qtopia::packagePath())) { +// QString sandboxPath = appPath.left(Qtopia::packagePath().length() + 32); +// QSettings(sandboxPath + "/etc/QuasselIRC.conf", QSettings::IniFormat); +// qDebug() << sandboxPath + "/etc/QuasselIRC.conf"; +// } else { +// QSettings(QCoreApplication::organizationName(), applicationName); +// } +// #endif +// */ +// } + +void Settings::notify(const QString &key, QObject *receiver, const char *slot) +{ + QObject::connect(notifier(normalizedKey(group, key)), SIGNAL(valueChanged(const QVariant &)), + receiver, slot); +} +void Settings::initAndNotify(const QString &key, QObject *receiver, const char *slot, const QVariant &defaultValue) +{ + notify(key, receiver, slot); + emit notifier(normalizedKey(group, key))->valueChanged(localValue(key, defaultValue)); } -Settings::~Settings() { +uint Settings::version() +{ + // we don't cache this value, and we ignore the group + create_qsettings; + uint ver = s.value("Config/Version", 0).toUInt(); + if (!ver) { + // No version, so create one + s.setValue("Config/Version", VERSION); + return VERSION; + } + return ver; } -void Settings::setGroup(QString g) { - group = g; +uint Settings::versionMinor() +{ + // Don't cache this value; ignore the group + create_qsettings; + // '0' means new configuration, anything else indicates an existing configuration. Application + // initialization should check this value and manage upgrades/downgrades, e.g. in Core::Core() + // and QtUiApplication::init(). + uint verMinor = s.value("Config/VersionMinor", 0).toUInt(); + + // As previous Quassel versions didn't implement this, we need to check if any settings other + // than Config/Version exist. If so, assume it's version 1. + if (verMinor == 0 && s.allKeys().count() > 1) { + // More than 1 key exists, but version's never been set. Assume and set version 1. + setVersionMinor(VERSION_MINOR_INITIAL); + return VERSION_MINOR_INITIAL; + } else { + return verMinor; + } } -QStringList Settings::allLocalKeys() { - QSettings s; - s.beginGroup(group); - return s.allKeys(); + +void Settings::setVersionMinor(const uint versionMinor) +{ + // Don't cache this value; ignore the group + create_qsettings; + // Set the value directly. + s.setValue("Config/VersionMinor", versionMinor); } -QStringList Settings::localChildKeys() { - QSettings s; - s.beginGroup(group); - return s.childKeys(); +bool Settings::sync() { + create_qsettings; + s.sync(); + switch (s.status()) { + case QSettings::NoError: + return true; + default: + return false; + } } -QStringList Settings::localChildGroups() { - QSettings s; - s.beginGroup(group); - return s.childGroups(); +bool Settings::isWritable() { + create_qsettings; + return s.isWritable(); } -void Settings::setLocalValue(const QString &key, const QVariant &data) { - QSettings s; - s.beginGroup(group); - s.setValue(key, data); +QStringList Settings::allLocalKeys() +{ + create_qsettings; + s.beginGroup(group); + QStringList res = s.allKeys(); + s.endGroup(); + return res; } -QVariant Settings::localValue(const QString &key, const QVariant &def) { - QSettings s; - s.beginGroup(group); - return s.value(key, def); + +QStringList Settings::localChildKeys(const QString &rootkey) +{ + QString g; + if (rootkey.isEmpty()) + g = group; + else + g = QString("%1/%2").arg(group, rootkey); + + create_qsettings; + s.beginGroup(g); + QStringList res = s.childKeys(); + s.endGroup(); + return res; } -void Settings::removeLocalKey(const QString &key) { - QSettings s; - s.beginGroup(group); - s.remove(key); + +QStringList Settings::localChildGroups(const QString &rootkey) +{ + QString g; + if (rootkey.isEmpty()) + g = group; + else + g = QString("%1/%2").arg(group, rootkey); + + create_qsettings; + s.beginGroup(g); + QStringList res = s.childGroups(); + s.endGroup(); + return res; +} + + +void Settings::setLocalValue(const QString &key, const QVariant &data) +{ + QString normKey = normalizedKey(group, key); + create_qsettings; + s.setValue(normKey, data); + setCacheValue(normKey, data); + if (hasNotifier(normKey)) { + emit notifier(normKey)->valueChanged(data); + } } + +const QVariant &Settings::localValue(const QString &key, const QVariant &def) +{ + QString normKey = normalizedKey(group, key); + if (!isCached(normKey)) { + create_qsettings; + setCacheValue(normKey, s.value(normKey, def)); + } + return cacheValue(normKey); +} + +bool Settings::localKeyExists(const QString &key) +{ + QString normKey = normalizedKey(group, key); + if (isCached(normKey)) + return true; + + create_qsettings; + return s.contains(normKey); +} + + +void Settings::removeLocalKey(const QString &key) +{ + create_qsettings; + s.beginGroup(group); + s.remove(key); + s.endGroup(); + QString normKey = normalizedKey(group, key); + if (isCached(normKey)) + settingsCache.remove(normKey); +}