Merge branch 'fiete201-horizontal-scroll'

README.asciidoc

@@ -170,8 +170,8 @@ Contributors, sorted by the number of commits in descending order:
 * Nathan Isom
 * Thorsten Wißmann
 * Austin Anderson
-* Jimmy
 * Fritz Reichwald
+* Jimmy
 * Niklas Haas
 * Maciej Wołczyk
 * Spreadyy

qutebrowser/browser/mouse.py

@@ -126,6 +126,12 @@ class MouseEventFilter(QObject):
             perc = int(100 * factor)
             message.info("Zoom level: {}%".format(perc))
             self._tab.zoom.set_factor(factor)
+        elif e.modifiers() & Qt.ShiftModifier:
+            if e.angleDelta().y() > 0:
+                self._tab.scroller.left()
+            else:
+                self._tab.scroller.right()
+            return True
 
         return False