Send: show fiat conversion when XMR is selected

src/mainwindow.cpp

@@ -256,6 +256,7 @@ MainWindow::MainWindow(AppContext *ctx, QWidget *parent) :
         connect(m_windowSettings, &Settings::preferredFiatCurrencyChanged, tickerWidget, &TickerWidget::init);
     connect(m_windowSettings, &Settings::preferredFiatCurrencyChanged, m_balanceWidget, &TickerWidget::init);
     connect(m_windowSettings, &Settings::preferredFiatCurrencyChanged, m_ctx, &AppContext::onPreferredFiatCurrencyChanged);
+    connect(m_windowSettings, &Settings::preferredFiatCurrencyChanged, ui->sendWidget, QOverload<>::of(&SendWidget::onPreferredFiatCurrencyChanged));
 
     // CCS/Reddit widget
     connect(m_windowSettings, &Settings::homeWidgetChanged, this, &MainWindow::homeWidgetChanged);

src/sendwidget.cpp

@@ -27,8 +27,8 @@ SendWidget::SendWidget(QWidget *parent) :
     connect(ui->lineAmount, &QLineEdit::textEdited, this, &SendWidget::amountEdited);
     connect(ui->lineAddress, &QLineEdit::textEdited, this, &SendWidget::addressEdited);
     connect(ui->btn_openAlias, &QPushButton::clicked, this, &SendWidget::aliasClicked);
-    ui->label_xmrAmount->setText("");
+    ui->label_conversionAmount->setText("");
-    ui->label_xmrAmount->hide();
+    ui->label_conversionAmount->hide();
     ui->btn_openAlias->hide();
 }
 
@@ -120,18 +120,26 @@ void SendWidget::btnMaxClicked() {
 void SendWidget::updateConversionLabel() {
     auto amount = this->amount();
     if(amount == -1) return;
-    ui->label_xmrAmount->setText("");
+    ui->label_conversionAmount->setText("");
     if(amount <= 0) {
-        ui->label_xmrAmount->hide();
+        ui->label_conversionAmount->hide();
         return;
     }
 
+    QString conversionAmountStr = [this]{
         QString currency = ui->comboCurrencySelection->currentText();
         if (currency != "XMR") {
-        QString xmr_str = QString("%1 XMR").arg(QString::number(this->conversionAmount()));
+            return QString("~%1 XMR").arg(QString::number(this->conversionAmount(), 'f'));
-        ui->label_xmrAmount->setText(xmr_str);
+
-        ui->label_xmrAmount->show();
+        } else {
-    }
+            auto preferredFiatCurrency = config()->get(Config::preferredFiatCurrency).toString();
+            double conversionAmount = AppContext::prices->convert("XMR", preferredFiatCurrency, this->amount());
+            return QString("~%1 %2").arg(QString::number(conversionAmount, 'f', 2), preferredFiatCurrency);
+        };
+    }();
+
+    ui->label_conversionAmount->setText(conversionAmountStr);
+    ui->label_conversionAmount->show();
 }
 
 double SendWidget::conversionAmount() {
@@ -163,7 +171,7 @@ void SendWidget::clearFields() {
     ui->lineAddress->clear();
     ui->lineAmount->clear();
     ui->lineDescription->clear();
-    ui->label_xmrAmount->clear();
+    ui->label_conversionAmount->clear();
 }
 
 void SendWidget::onWalletClosed() {
@@ -178,6 +186,10 @@ void SendWidget::onEndTransaction() {
     ui->btnSend->setEnabled(true);
 }
 
+void SendWidget::onPreferredFiatCurrencyChanged() {
+    this->updateConversionLabel();
+}
+
 SendWidget::~SendWidget() {
     delete ui;
 }

src/sendwidget.h

@@ -38,6 +38,7 @@ public slots:
     void onOpenAliasResolveError(const QString &err);
     void onOpenAliasResolved(const QString &address, const QString &openAlias);
     void onWalletClosed();
+    void onPreferredFiatCurrencyChanged();
 
     void onInitiateTransaction();
     void onEndTransaction();

src/sendwidget.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>500</width>
+    <width>603</width>
-    <height>148</height>
+    <height>175</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -153,12 +153,12 @@
       </widget>
      </item>
      <item>
-      <widget class="QLabel" name="label_xmrAmount">
+      <widget class="QLabel" name="label_conversionAmount">
        <property name="enabled">
         <bool>true</bool>
        </property>
        <property name="text">
-        <string>xmrAmount</string>
+        <string>conversionAmount</string>
        </property>
       </widget>
      </item>