From f19b90195010abaedbac7597afd49dc45ac20f6c Mon Sep 17 00:00:00 2001
From: Will McGugan <willmcgugan@gmail.com>
Date: Thu, 25 Aug 2022 11:24:44 +0100
Subject: [PATCH] fix for scrolling

---
 src/textual/_xterm_parser.py | 2 +-
 src/textual/widget.py        | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/textual/_xterm_parser.py b/src/textual/_xterm_parser.py
index 94400e2c5..55883a7fa 100644
--- a/src/textual/_xterm_parser.py
+++ b/src/textual/_xterm_parser.py
@@ -63,7 +63,7 @@ class XTermParser(Parser[events.Event]):
             event: events.Event
             if buttons & 64:
                 event = (
-                    events.MouseScrollDown if button == 1 else events.MouseScrollUp
+                    events.MouseScrollUp if button == 1 else events.MouseScrollDown
                 )(sender, x, y)
             else:
                 event = (
diff --git a/src/textual/widget.py b/src/textual/widget.py
index 4c23063c0..5f10378f3 100644
--- a/src/textual/widget.py
+++ b/src/textual/widget.py
@@ -194,7 +194,9 @@ class Widget(DOMNode):
         Returns:
             bool: True if horizontal and vertical scrolling is enabled.
         """
-        return self.allow_horizontal_scroll and self.allow_vertical_scroll
+        return self.is_scrollable and (
+            self.allow_horizontal_scroll or self.allow_vertical_scroll
+        )
 
     def _arrange(self, size: Size) -> DockArrangeResult:
         """Arrange children.