Merge pull request #5404 from Textualize/footer-scroll

Add ability to scroll Footer without holding shift

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
 
+
 ### Fixed
 
 - Fixed `Pilot.click` not working with `times` parameter https://github.com/Textualize/textual/pull/5398
@@ -20,6 +21,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - The content of an `Input` will now only be automatically selected when the widget is focused by the user, not when the app itself has regained focus (similar to web browsers). https://github.com/Textualize/textual/pull/5379
 - Updated `TextArea` and `Input` behavior when there is a selection and the user presses left or right https://github.com/Textualize/textual/pull/5400
+- Footer can now be scrolled horizontally without holding `shift` https://github.com/Textualize/textual/pull/5404
 
 
 ## [1.0.0] - 2024-12-12

src/textual/events.py

@@ -539,7 +539,7 @@ class MouseScrollDown(MouseEvent, bubble=True, verbose=True):
     """Sent when the mouse wheel is scrolled *down*.
 
     - [X] Bubbles
-    - [ ] Verbose
+    - [X] Verbose
     """
 
 
@@ -548,7 +548,7 @@ class MouseScrollUp(MouseEvent, bubble=True, verbose=True):
     """Sent when the mouse wheel is scrolled *up*.
 
     - [X] Bubbles
-    - [ ] Verbose
+    - [X] Verbose
     """
 
 

src/textual/widgets/_footer.py

@@ -6,6 +6,7 @@
 import rich.repr
 from rich.text import Text
 
+from textual import events
 from textual.app import ComposeResult
 from textual.binding import Binding
 from textual.containers import ScrollableContainer
@@ -249,6 +250,20 @@ async def bindings_changed(self, screen: Screen) -> None:
         if self.is_attached and screen is self.screen:
             await self.recompose()
 
+    def _on_mouse_scroll_down(self, event: events.MouseScrollDown) -> None:
+        if self.allow_horizontal_scroll:
+            self._clear_anchor()
+            if self._scroll_right_for_pointer(animate=True):
+                event.stop()
+                event.prevent_default()
+
+    def _on_mouse_scroll_up(self, event: events.MouseScrollUp) -> None:
+        if self.allow_horizontal_scroll:
+            self._clear_anchor()
+            if self._scroll_left_for_pointer(animate=True):
+                event.stop()
+                event.prevent_default()
+
     def on_mount(self) -> None:
         self.call_next(self.bindings_changed, self.screen)
         self.screen.bindings_updated_signal.subscribe(self, self.bindings_changed)