-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::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));
+}
+
+
+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;
+}
+
+
+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;
+ }