Try QScroller::grabGesture

src/browsertab.cpp

@@ -54,6 +54,7 @@
 #include <QGraphicsPixmapItem>
 #include <QGraphicsTextItem>
 #include <QRegularExpression>
+#include <QScroller>
 #include <iconv.h>
 
 BrowserTab::BrowserTab(MainWindow *mainWindow) : QWidget(nullptr),
@@ -64,6 +65,7 @@ BrowserTab::BrowserTab(MainWindow *mainWindow) : QWidget(nullptr),
                                                  graphics_scene()
 {
     ui->setupUi(this);
+    QScroller::grabGesture(this, QScroller::TouchGesture);
 
     connect( // connect with "this" as context, so the connection will die when the window is destroyed
         kristall::globals().localization.get(), &Localization::translationChanged,