/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-2015 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* 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. *
***************************************************************************/
-#ifndef _SETTINGS_H_
-#define _SETTINGS_H_
+#ifndef SETTINGS_H
+#define SETTINGS_H
+#include <QCoreApplication>
+#include <QHash>
+#include <QSettings>
#include <QString>
#include <QVariant>
-#include <QSettings>
-class Settings : private QSettings {
+#include "quassel.h"
+
+class SettingsChangeNotifier : public QObject
+{
+ Q_OBJECT
+
+signals:
+ void valueChanged(const QVariant &newValue);
+
+private:
+ friend class Settings;
+};
+
+
+class Settings
+{
public:
- enum Mode { Default, Custom };
-
+ enum Mode { Default, Custom };
+
+public:
+ //! Call the given slot on change of the given key
+ virtual void notify(const QString &key, QObject *receiver, const char *slot);
+
+ //! Sets up notification and calls the given slot to set the initial value
+ void initAndNotify(const QString &key, QObject *receiver, const char *slot, const QVariant &defaultValue = QVariant());
+
+ virtual uint version();
+
protected:
- Settings(QString group, QString applicationName);
-
- inline void setGroup(const QString &group_) { group = group_; }
-
- virtual QStringList allLocalKeys();
- virtual QStringList localChildKeys(const QString &rootkey = QString());
- virtual QStringList localChildGroups(const QString &rootkey = QString());
-
- virtual void setLocalValue(const QString &key, const QVariant &data);
- virtual const QVariant &localValue(const QString &key, const QVariant &def = QVariant());
-
- virtual void removeLocalKey(const QString &key);
-
- QString group;
+ inline Settings(QString group_, QString appName_) : group(group_), appName(appName_) {}
+ inline virtual ~Settings() {}
+
+ inline void setGroup(const QString &group_) { group = group_; }
+
+ virtual QStringList allLocalKeys();
+ virtual QStringList localChildKeys(const QString &rootkey = QString());
+ virtual QStringList localChildGroups(const QString &rootkey = QString());
+
+ virtual void setLocalValue(const QString &key, const QVariant &data);
+ virtual const QVariant &localValue(const QString &key, const QVariant &def = QVariant());
+
+ virtual void removeLocalKey(const QString &key);
+
+ QString group;
+ QString appName;
private:
- void setCacheValue(const QString &group, const QString &key, const QVariant &data);
- const QVariant &cacheValue(const QString &group, const QString &key);
- bool isCached(const QString &group, const QString &key);
-};
+ inline QSettings::Format format()
+ {
+#ifdef Q_OS_WIN
+ return QSettings::IniFormat;
+#else
+ return QSettings::NativeFormat;
+#endif
+ }
+
+
+ inline QString fileName()
+ {
+ return Quassel::configDirPath() + appName
+ + ((format() == QSettings::NativeFormat) ? QLatin1String(".conf") : QLatin1String(".ini"));
+ }
+
+
+ static QHash<QString, QVariant> settingsCache;
+ static QHash<QString, SettingsChangeNotifier *> settingsChangeNotifier;
+
+ inline QString normalizedKey(const QString &group, const QString &key)
+ {
+ if (group.isEmpty())
+ return key;
+ return group + '/' + key;
+ }
+
+ inline void setCacheValue(const QString &normKey, const QVariant &data)
+ {
+ settingsCache[normKey] = data;
+ }
+
+
+ inline const QVariant &cacheValue(const QString &normKey)
+ {
+ return settingsCache[normKey];
+ }
+
+
+ inline bool isCached(const QString &normKey)
+ {
+ return settingsCache.contains(normKey);
+ }
+
+
+ inline SettingsChangeNotifier *notifier(const QString &normKey)
+ {
+ if (!hasNotifier(normKey))
+ settingsChangeNotifier[normKey] = new SettingsChangeNotifier();
+ return settingsChangeNotifier[normKey];
+ }
+
+
+ inline bool hasNotifier(const QString &normKey)
+ {
+ return settingsChangeNotifier.contains(normKey);
+ }
+};
#endif