TickerWidget: Format fiat currency using locale

src/utils/utils.cpp

@@ -581,4 +581,19 @@ QString Utils::formatBytes(quint64 bytes)
         _data = 0;
 
     return QString("%1 %2").arg(QString::number(_data, 'f', 1), sizes[i]);
+}
+
+QString Utils::amountToCurrencyString(double amount, const QString &currencyCode) {
+    QLocale locale;
+    QList<QLocale> allLocales = QLocale::matchingLocales(QLocale::AnyLanguage, QLocale::AnyScript, QLocale::AnyCountry);
+    for (const auto& locale_: allLocales) {
+        if (locale_.currencySymbol(QLocale::CurrencyIsoCode) == currencyCode) {
+            locale = locale_;
+        }
+    }
+
+    if (currencyCode == "USD")
+        return locale.toCurrencyString(amount, "$");
+
+    return locale.toCurrencyString(amount);
 }

src/utils/utils.h

@@ -96,6 +96,7 @@ public:
     static QFont relativeFont(int delta);
     static double roundSignificant(double N, double n);
     static QString formatBytes(quint64 bytes);
+    static QString amountToCurrencyString(double amount, const QString &currencyCode);
 
     static QStringList randomHTTPAgents;
 

src/widgets/tickerwidget.cpp

@@ -25,7 +25,7 @@ TickerWidget::TickerWidget(QWidget *parent, QString symbol, QString title, bool
 
     this->setFontSizes();
     this->setPctText(defaultPct, true);
-    this->setFiatText(defaultFiat, 0.0, true);
+    this->setFiatText(defaultFiat, 0.0);
 
     connect(AppContext::prices, &Prices::fiatPricesUpdated, this, &TickerWidget::init);
     connect(AppContext::prices, &Prices::cryptoPricesUpdated, this, &TickerWidget::init);
@@ -56,19 +56,11 @@ void TickerWidget::init() {
     auto pct24hText = QString::number(pct24h, 'f', 2);
 
     this->setPctText(pct24hText, pct24h >= 0.0);
-    this->setFiatText(fiatCurrency, conversion, true);
+    this->setFiatText(fiatCurrency, conversion);
 }
 
-void TickerWidget::setFiatText(QString &fiatCurrency, double amount, bool round) {
-    QString number;
-    if(round)
-        number = QString::number(amount, 'f', 2);
-    else
-        number = QString::number(amount);
-
-    auto conversionText = QString("%1 %2")\
-            .arg(number)
-            .arg(fiatCurrency);
+void TickerWidget::setFiatText(QString &fiatCurrency, double amount) {
+    QString conversionText = Utils::amountToCurrencyString(amount, fiatCurrency);
     ui->tickerFiat->setText(conversionText);
 }
 

src/widgets/tickerwidget.h

@@ -19,7 +19,7 @@ class TickerWidget : public QWidget
 public:
     explicit TickerWidget(QWidget *parent, QString symbol, QString title = "", bool convertBalance = false);
     void removePctContainer();
-    void setFiatText(QString &fiatCurrency, double amount, bool round);
+    void setFiatText(QString &fiatCurrency, double amount);
     void setPctText(QString &text, bool positive);
     void setFontSizes();
     ~TickerWidget() override;