Fix default spectrum.device key

Author: ThePBone

config/appconfigwrapper.cpp

@@ -195,10 +195,7 @@ void AppConfigWrapper::setSpectrumInput(const QString& npath){
     saveAppConfig();
 }
 QString AppConfigWrapper::getSpectrumInput(){
-    QString in = appconf->getString("visualizer.spectrum.device",true);
-    if(in.length() < 1)
-        return QString("viper.monitor");
-    return in;
+    return appconf->getString("visualizer.spectrum.device",true,"viper.monitor");
 }
 int AppConfigWrapper::getSpectrumRefresh(){
     return appconf->getInt("visualizer.spectrum.interval");

config/container.cpp

@@ -14,11 +14,11 @@ QVariant ConfigContainer::getVariant(const QString& key){
     }
     return map.find(key).value();
 }
-QString ConfigContainer::getString(const QString& key,bool setToDefaultIfMissing){
+QString ConfigContainer::getString(const QString& key,bool setToDefaultIfMissing, QString alternative){
     if(!map.contains(key)){
         qWarning().noquote().nospace() << "[W] Requested key '" << key << "' not found";
-        if(setToDefaultIfMissing)map[key] = "";
-        return "";
+        if(setToDefaultIfMissing)map[key] = alternative;
+        return alternative;
     }
     return getVariant(key).toString();
 }

config/container.h

@@ -24,7 +24,7 @@ class ConfigContainer
     ConfigContainer();
     void setValue(const QString& key,QVariant value);
     QVariant getVariant(const QString& key);
-    QString getString(const QString& key,bool setToDefaultIfMissing=true);
+    QString getString(const QString& key,bool setToDefaultIfMissing=true, QString alternative="");
     int getInt(const QString& key, int alternative = 0);
     float getFloat(const QString& key);
     bool getBool(const QString& key, bool setToDefaultIfMissing=true, bool alternative=false);

mainwindow.ui

@@ -117,7 +117,7 @@
          <item>
           <widget class="QStackedWidget" name="tabhost">
            <property name="currentIndex">
-            <number>3</number>
+            <number>0</number>
            </property>
            <widget class="QWidget" name="tabhostPage1">
             <layout class="QVBoxLayout" name="verticalLayout_6">