Merge pull request #6008 from Textualize/bump510

Bump510

Author: willmcgugan

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Added `empty` pseudo class, which applies when a widget has no displayed children https://github.com/Textualize/textual/pull/5999
 - Added `Screen.action_focus` https://github.com/Textualize/textual/pull/5999
+- Added support for left and right mouse scroll for terminals and input devices which support it https://github.com/Textualize/textual/pull/5995
 
 ### Changed
 

docs/guide/CSS.md

@@ -342,6 +342,7 @@ Here are some other pseudo classes:
 - `:blur` Matches widgets which *do not* have input focus.
 - `:dark` Matches widgets in dark themes (where `App.theme.dark == True`).
 - `:disabled` Matches widgets which are in a disabled state.
+- `:empty` Matches widgets which have no displayed children.
 - `:enabled` Matches widgets which are in an enabled state.
 - `:even` Matches a widget at an evenly numbered position within its siblings.
 - `:first-child` Matches a widget that is the first amongst its siblings.

src/textual/widget.py

@@ -4592,14 +4592,12 @@ def _on_mouse_scroll_up(self, event: events.MouseScrollUp) -> None:
 
     def _on_mouse_scroll_right(self, event: events.MouseScrollRight) -> None:
         if self.allow_horizontal_scroll:
-            self.release_anchor()
-            if self._scroll_right_for_pointer(animate=False):
+            if self._scroll_right_for_pointer():
                 event.stop()
 
     def _on_mouse_scroll_left(self, event: events.MouseScrollLeft) -> None:
         if self.allow_horizontal_scroll:
-            self.release_anchor()
-            if self._scroll_left_for_pointer(animate=False):
+            if self._scroll_left_for_pointer():
                 event.stop()
 
     def _on_scroll_to(self, message: ScrollTo) -> None:

tests/footer/test_footer.py

@@ -54,6 +54,8 @@ def action_app_binding(self) -> None:
         assert app_binding_count == 0
         await app.wait_for_refresh()
         await pilot.click("Footer", offset=(1, 0))
+        await app.wait_for_refresh()
         assert app_binding_count == 1
         await pilot.click("Footer")
+        await app.wait_for_refresh()
         assert app_binding_count == 2