Merge pull request #16647 from NotTsunami/hscroll

Add horizontal scrolling for tracker list and torrent content

src/gui/properties/peerlistwidget.cpp

@@ -530,9 +530,9 @@ void PeerListWidget::wheelEvent(QWheelEvent *event)
     {
         // Shift + scroll = horizontal scroll
         event->accept();
-        QWheelEvent scrollHEvent(event->position(), event->globalPosition()
+        QWheelEvent scrollHEvent {event->position(), event->globalPosition()
             , event->pixelDelta(), event->angleDelta().transposed(), event->buttons()
-            , event->modifiers(), event->phase(), event->inverted(), event->source());
+            , event->modifiers(), event->phase(), event->inverted(), event->source()};
         QTreeView::wheelEvent(&scrollHEvent);
         return;
     }

src/gui/properties/trackerlistwidget.cpp

@@ -41,6 +41,7 @@
 #include <QTreeWidgetItem>
 #include <QUrl>
 #include <QVector>
+#include <QWheelEvent>
 
 #include "base/bittorrent/peerinfo.h"
 #include "base/bittorrent/session.h"
@@ -683,3 +684,19 @@ void TrackerListWidget::displayColumnHeaderMenu()
 
     menu->popup(QCursor::pos());
 }
+
+void TrackerListWidget::wheelEvent(QWheelEvent *event)
+{
+    if (event->modifiers() & Qt::ShiftModifier)
+    {
+        // Shift + scroll = horizontal scroll
+        event->accept();
+        QWheelEvent scrollHEvent {event->position(), event->globalPosition()
+            , event->pixelDelta(), event->angleDelta().transposed(), event->buttons()
+            , event->modifiers(), event->phase(), event->inverted(), event->source()};
+        QTreeView::wheelEvent(&scrollHEvent);
+        return;
+    }
+
+    QTreeView::wheelEvent(event);  // event delegated to base class
+}

src/gui/properties/trackerlistwidget.h

@@ -87,6 +87,7 @@ private slots:
 
 private:
     int visibleColumnsCount() const;
+    void wheelEvent(QWheelEvent *event) override;
 
     static QStringList headerLabels();