X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcommon%2Fsettings.h;h=4f556d79973b862d0373a0d59b581bed5a182535;hp=7142e72231ad070c1429f818e182e5cedc06094b;hb=99678e189313b168c410fa15cd10cb673b73c8a2;hpb=4bfbd8dcbcb398302aaad0b6707c561760d7a7ac

diff --git a/src/common/settings.h b/src/common/settings.h
index 7142e722..4f556d79 100644
--- a/src/common/settings.h
+++ b/src/common/settings.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-07 by the Quassel IRC Team                         *
+ *   Copyright (C) 2005-2014 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -15,49 +15,124 @@
  *   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"
 
-  public:
-    virtual ~Settings();
+class SettingsChangeNotifier : public QObject
+{
+    Q_OBJECT
 
-    //static void setGuiValue(QString, QVariant) {};
-    //static QVariant guiValue(QString, QVariant = QVariant()) { return QVariant(); }
+signals:
+    void valueChanged(const QVariant &newValue);
+
+private:
+    friend class Settings;
+};
 
+
+class Settings
+{
+public:
     enum Mode { Default, Custom };
 
-  protected:
-    Settings(QString group = "General");
+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();
 
-    void setGroup(QString group);
+protected:
+    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 QStringList allSessionKeys() = 0;
-    virtual QStringList sessionKeys() = 0;
 
     virtual void setLocalValue(const QString &key, const QVariant &data);
-    virtual QVariant localValue(const QString &key, const QVariant &def = QVariant());
-
-    virtual void setSessionValue(const QString &key, const QVariant &data) = 0;
-    virtual QVariant sessionValue(const QString &key, const QVariant &def = QVariant()) = 0;
+    virtual const QVariant &localValue(const QString &key, const QVariant &def = QVariant());
 
     virtual void removeLocalKey(const QString &key);
 
     QString group;
+    QString appName;
+
+private:
+    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