fix refresh speed for currency changes

src/mainwindow.cpp

@@ -424,6 +424,8 @@ void MainWindow::setupSettingsModal() {
 
     this->slot_change_currency(currency_name);
 
+    ;
+
 
         // Setup theme combo
         int theme_index = settings.comboBoxTheme->findText(Settings::getInstance()->get_theme_name(), Qt::MatchExactly);
@@ -442,9 +444,10 @@ void MainWindow::setupSettingsModal() {
         
        QObject::connect(settings.comboBoxCurrency, &QComboBox::currentTextChanged, [=] (QString currency_name) {
             this->slot_change_currency(currency_name);
+            rpc->refresh(true);
             
              // Tell the user to restart
-            QMessageBox::information(this, tr("Currency Change"), tr("Please restart SilentDragonLite to have new currencies apply"), QMessageBox::Ok);  
+            QMessageBox::information(this, tr("Currency Change"), tr("This change can take a few seconds."), QMessageBox::Ok);  
              });
       
         // Check for updates

src/settings.h

@@ -124,7 +124,8 @@ public:
     static const QString labelRegExp;
 
     static const int     updateSpeed         = 30 * 1000;        // 30 sec
-    static const int     priceRefreshSpeed   = 5 * 60 * 1000;   // 1 hr
+    static const int     quickUpdateSpeed    = 5  * 1000;        // 3 sec
+    static const int     priceRefreshSpeed   = 5 * 60 * 1000;   // 15 min
 
 private:
     // This class can only be accessed through Settings::getInstance()