X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcommon%2Fsettings.h;h=e2920c2453b7efc2193b5d268e83111fea703aa2;hp=9ad960dd8b206d43b251bfecc7eca92b50625be3;hb=3456106b07bfc3000e50df9322ddefd4f872e0fb;hpb=8699dd758516d0ded076811e8ea656adc95e69d0

diff --git a/src/common/settings.h b/src/common/settings.h
index 9ad960dd..e2920c24 100644
--- a/src/common/settings.h
+++ b/src/common/settings.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-09 by the Quassel Project                          *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -18,41 +18,99 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, 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);
 
-    enum Mode { Default, Custom };
+private:
+  friend class Settings;
+};
 
-  protected:
-    Settings(QString group, QString applicationName);
+class Settings {
+public:
+  enum Mode { Default, Custom };
 
-    void setGroup(QString group);
+public:
+  //! Call the given slot on change of the given key
+  virtual void notify(const QString &key, QObject *receiver, const char *slot);
 
-    virtual QStringList allLocalKeys();
-    virtual QStringList localChildKeys(const QString &rootkey = QString());
-    virtual QStringList localChildGroups(const QString &rootkey = QString());
+  //! 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 void setLocalValue(const QString &key, const QVariant &data);
-    virtual QVariant localValue(const QString &key, const QVariant &def = QVariant());
+  virtual uint version();
 
-    virtual void removeLocalKey(const QString &key);
+protected:
+  inline Settings(QString group_, QString appName_) : group(group_), appName(appName_) {}
+  inline virtual ~Settings() {}
 
-    QString group;
+  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:
+  inline QSettings::Format format() {
+#ifdef Q_WS_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