Show Qt version in about dialog

aboutdialog/aboutdialog.cpp

@@ -88,6 +88,8 @@ AboutDialog::AboutDialog(QWidget *parent, const QString &applicationName, const
         : new QGraphicsPixmapItem(QPixmap::fromImage(image));
     m_iconScene->addItem(item);
     m_ui->graphicsView->setScene(m_iconScene);
+    m_ui->qtVersionLabel->setText(tr("using <a href=\"qtversion\">Qt %1</a>").arg(QString::fromUtf8(qVersion())));
+    connect(m_ui->qtVersionLabel, &QLabel::linkActivated, this, &AboutDialog::linkActivated);
     centerWidget(this, parentWidget());
 }
 
@@ -115,4 +117,12 @@ AboutDialog::AboutDialog(QWidget *parent, const QString &website, const QString
 AboutDialog::~AboutDialog()
 {
 }
+
+void AboutDialog::linkActivated(const QString &link)
+{
+    if (link == QLatin1String("qtversion")) {
+        QApplication::aboutQt();
+    }
+}
+
 } // namespace QtUtilities

aboutdialog/aboutdialog.h

@@ -27,6 +27,9 @@ public:
     explicit AboutDialog(QWidget *parent, const QString &website = QString(), const QString &description = QString(), const QImage &image = QImage());
     ~AboutDialog() override;
 
+private Q_SLOTS:
+    void linkActivated(const QString &link);
+
 private:
     std::unique_ptr<Ui::AboutDialog> m_ui;
     QGraphicsScene *m_iconScene;

aboutdialog/aboutdialog.ui

@@ -239,6 +239,30 @@
            </property>
           </widget>
          </item>
+         <item>
+          <widget class="QLabel" name="qtVersionLabel">
+           <property name="font">
+            <font>
+             <pointsize>8</pointsize>
+            </font>
+           </property>
+           <property name="styleSheet">
+            <string notr="true">font-size: 8pt;</string>
+           </property>
+           <property name="text">
+            <string>using Qt</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignCenter</set>
+           </property>
+           <property name="wordWrap">
+            <bool>true</bool>
+           </property>
+           <property name="textInteractionFlags">
+            <set>Qt::LinksAccessibleByKeyboard|Qt::LinksAccessibleByMouse</set>
+           </property>
+          </widget>
+         </item>
         </layout>
        </widget>
       </item>