Merge pull request #4844 from Textualize/auto-grow

grow height for scrollbar

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Input cursor will no longer jump to the end on focus https://github.com/Textualize/textual/pull/4773
 - Removed `Size.cip_size`, which was a clone of `crop_size`
+- Widgets with auto dimensions will now grow if there is a scrollbar https://github.com/Textualize/textual/pull/4844
 
 ### Fixed
 

src/textual/widget.py

@@ -1236,7 +1236,9 @@ def _get_box_model(
             content_width = Fraction(
                 self.get_content_width(content_container - margin.totals, viewport)
             )
-            if styles.scrollbar_gutter == "stable" and styles.overflow_x == "auto":
+            if (
+                styles.overflow_x == "auto" and styles.scrollbar_gutter == "stable"
+            ) or self.show_vertical_scrollbar:
                 content_width += styles.scrollbar_size_vertical
             if (
                 content_width < content_container.width
@@ -1286,7 +1288,9 @@ def _get_box_model(
             content_height = Fraction(
                 self.get_content_height(content_container, viewport, int(content_width))
             )
-            if styles.scrollbar_gutter == "stable" and styles.overflow_y == "auto":
+            if (
+                styles.overflow_y == "auto" and styles.scrollbar_gutter == "stable"
+            ) or self.show_horizontal_scrollbar:
                 content_height += styles.scrollbar_size_horizontal
             if (
                 content_height < content_container.height