1 /***************************************************************************
2 * Copyright (C) 2005-09 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
24 #include <QCoreApplication>
32 class SettingsChangeNotifier : public QObject {
36 void valueChanged(const QVariant &newValue);
39 friend class Settings;
44 enum Mode { Default, Custom };
47 virtual void notify(const QString &key, QObject *receiver, const char *slot);
50 inline Settings(QString group_, QString appName_) : group(group_), appName(appName_) {}
51 inline virtual ~Settings() {}
53 inline void setGroup(const QString &group_) { group = group_; }
55 virtual QStringList allLocalKeys();
56 virtual QStringList localChildKeys(const QString &rootkey = QString());
57 virtual QStringList localChildGroups(const QString &rootkey = QString());
59 virtual void setLocalValue(const QString &key, const QVariant &data);
60 virtual const QVariant &localValue(const QString &key, const QVariant &def = QVariant());
62 virtual void removeLocalKey(const QString &key);
68 inline QSettings::Format format() {
70 return QSettings::IniFormat;
72 return QSettings::NativeFormat;
75 inline QString fileName() {
76 return Quassel::configDirPath() + appName
77 + ((format() == QSettings::NativeFormat) ? QLatin1String(".conf") : QLatin1String(".ini"));
80 static QHash<QString, QHash<QString, QVariant> > settingsCache;
81 static QHash<QString, QHash<QString, SettingsChangeNotifier *> > settingsChangeNotifier;
83 inline void setCacheValue(const QString &group, const QString &key, const QVariant &data) {
84 settingsCache[group][key] = data;
86 inline const QVariant &cacheValue(const QString &group, const QString &key) {
87 return settingsCache[group][key];
89 inline bool isCached(const QString &group, const QString &key) {
90 return settingsCache.contains(group) && settingsCache[group].contains(key);
93 inline SettingsChangeNotifier *notifier(const QString &group, const QString &key) {
94 if(!hasNotifier(group, key))
95 settingsChangeNotifier[group][key] = new SettingsChangeNotifier();
96 return settingsChangeNotifier[group][key];
99 inline bool hasNotifier(const QString &group, const QString &key) {
100 return settingsChangeNotifier.contains(group) && settingsChangeNotifier[group].contains(key);