Merge remote-tracking branch 'origin/pr/6580'

1 files changed, 15 insertions, 1 deletions

diff --git a/qutebrowser/mainwindow/tabwidget.py b/qutebrowser/mainwindow/tabwidget.py
index 4041de2c9..7983127d5 100644
--- a/qutebrowser/mainwindow/tabwidget.py
+++ b/qutebrowser/mainwindow/tabwidget.py
@@ -705,7 +705,21 @@ class TabBar(QTabBar):
             e: The QWheelEvent
         """
         if config.val.tabs.mousewheel_switching:
-            super().wheelEvent(e)
+            if utils.is_mac:
+                # WORKAROUND for this not being customizable until Qt 6:
+                # https://codereview.qt-project.org/c/qt/qtbase/+/327746
+                index = self.currentIndex()
+                if index == -1:
+                    return
+                dx = e.angleDelta().x()
+                dy = e.angleDelta().y()
+                delta = dx if abs(dx) > abs(dy) else dy
+                offset = -1 if delta > 0 else 1
+                index += offset
+                if 0 <= index < self.count():
+                    self.setCurrentIndex(index)
+            else:
+                super().wheelEvent(e)
         else:
             tabbed_browser = objreg.get('tabbed-browser', scope='window',
                                         window=self._win_id)