Merge branch 'main' into build-update-supported-python-versions

Author: willmcgugan

CHANGELOG.md

@@ -7,6 +7,21 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
 
+### Added
+
+- Added scrollbar-visibility rule https://github.com/Textualize/textual/pull/6156
+
+### Fixed
+
+- Fixed highlight not auto-detecting lexer https://github.com/Textualize/textual/pull/6167
+
+## [6.2.1] - 2025-10-01
+
+- Fix inability to copy text outside of an input/textarea when it was focused https://github.com/Textualize/textual/pull/6148
+- Fix issue when copying text after a double click https://github.com/Textualize/textual/pull/6148
+
+## [6.2.0] - 2025-09-30
+
 ### Changed
 
 - Eager tasks are now enabled On Python3.12 and above https://github.com/Textualize/textual/pull/6102
@@ -26,6 +41,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Added `compact` to Binding.Group https://github.com/Textualize/textual/pull/6132
 - Added `Screen.get_hover_widgets_at` https://github.com/Textualize/textual/pull/6132
 - Added `Content.wrap` https://github.com/Textualize/textual/pull/6138
+- Added support to allow support for manual keys in add_columns as well. https://github.com/Textualize/textual/pull/5923
 
 ### Fixed
 
@@ -3128,6 +3144,8 @@ https://textual.textualize.io/blog/2022/11/08/version-040/#version-040
 - New handler system for messages that doesn't require inheritance
 - Improved traceback handling
 
+[6.2.1]: https://github.com/Textualize/textual/compare/v6.2.0...v6.2.1
+[6.2.0]: https://github.com/Textualize/textual/compare/v6.1.0...v6.2.0
 [6.1.0]: https://github.com/Textualize/textual/compare/v6.0.0...v6.1.0
 [6.0.0]: https://github.com/Textualize/textual/compare/v5.3.0...v6.0.0
 [5.3.0]: https://github.com/Textualize/textual/compare/v5.2.0...v5.3.0

docs/examples/styles/scrollbar_visibility.py

@@ -0,0 +1,27 @@
+from textual.app import App
+from textual.containers import Horizontal, VerticalScroll
+from textual.widgets import Label
+
+TEXT = """I must not fear.
+Fear is the mind-killer.
+Fear is the little-death that brings total obliteration.
+I will face my fear.
+I will permit it to pass over me and through me.
+And when it has gone past, I will turn the inner eye to see its path.
+Where the fear has gone there will be nothing. Only I will remain.
+"""
+
+
+class ScrollbarApp(App):
+    CSS_PATH = "scrollbar_visibility.tcss"
+
+    def compose(self):
+        yield Horizontal(
+            VerticalScroll(Label(TEXT * 10), classes="left"),
+            VerticalScroll(Label(TEXT * 10), classes="right"),
+        )
+
+
+if __name__ == "__main__":
+    app = ScrollbarApp()
+    app.run()

docs/examples/styles/scrollbar_visibility.tcss

@@ -0,0 +1,11 @@
+VerticalScroll {
+    width: 1fr;
+}
+
+.left {
+    scrollbar-visibility: visible; # The default
+}
+
+.right {
+    scrollbar-visibility: hidden;
+}

docs/styles/align.md

@@ -1,6 +1,8 @@
 # Align
 
-The `align` style aligns children within a container.
+The `align` style defines how a widget's *children* are aligned.
+
+Apply this rule to a container to adjust where its children are positioned.
 
 ## Syntax
 

docs/styles/scrollbar_visibility.md

@@ -0,0 +1,60 @@
+# Scrollbar-visibility
+
+The `scrollbar-visibility` is used to show or hide scrollbars.
+
+If scrollbars are hidden, the user may still scroll the container using the mouse wheel / keys / and gestures, but
+there will be no scrollbars shown.
+
+## Syntax
+
+--8<-- "docs/snippets/syntax_block_start.md"
+scrollbar-visibility: hidden | visible;
+--8<-- "docs/snippets/syntax_block_end.md"
+
+
+### Values
+
+| Value               | Description                                          |
+| ------------------- | ---------------------------------------------------- |
+| `hidden`            | The widget's scrollbars will be hidden.              |
+| `visible` (default) | The widget's scrollbars will be displayed as normal. |
+
+
+## Examples
+
+The following example contains two containers with the same text.
+The container on the right has its scrollbar hidden.
+
+=== "Output"
+
+    ```{.textual path="docs/examples/styles/scrollbar_visibility.py"}
+    ```
+
+=== "scrollbar_visibility.py"
+
+    ```py
+    --8<-- "docs/examples/styles/scrollbar_visibility.py"
+    ```
+
+=== "scrollbar_visibility.tcss"
+
+    ```css
+    --8<-- "docs/examples/styles/scrollbar_visibility.tcss"
+    ```
+
+
+## CSS
+
+```css
+scrollbar-visibility: visible;
+scrollbar-visibility: hidden;
+```
+
+
+
+## Python
+
+```py
+widget.styles.scrollbar_visibility = "visible";
+widget.styles.scrollbar_visibility = "hidden";
+```

mkdocs-nav.yml

@@ -136,6 +136,7 @@ nav:
               - "styles/scrollbar_colors/scrollbar_corner_color.md"
           - "styles/scrollbar_gutter.md"
           - "styles/scrollbar_size.md"
+          - "styles/scrollbar_visibility.md"
           - "styles/text_align.md"
           - "styles/text_opacity.md"
           - "styles/text_overflow.md"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "textual"
-version = "6.1.0"
+version = "6.2.1"
 homepage = "https://github.com/Textualize/textual"
 repository = "https://github.com/Textualize/textual"
 documentation = "https://textual.textualize.io/"

src/textual/_arrange.py

@@ -53,7 +53,6 @@ def arrange(
     Returns:
         Widget arrangement information.
     """
-
     placements: list[WidgetPlacement] = []
     scroll_spacing = NULL_SPACING
     styles = widget.styles

src/textual/_compositor.py

@@ -694,7 +694,7 @@ def add_widget(
                     if (
                         widget.show_vertical_scrollbar
                         or widget.show_horizontal_scrollbar
-                    ):
+                    ) and styles.scrollbar_visibility == "visible":
                         for chrome_widget, chrome_region in widget._arrange_scrollbars(
                             container_region
                         ):
@@ -1248,8 +1248,7 @@ def update_widgets(self, widgets: set[Widget]) -> None:
             offset = region.offset
             intersection = clip.intersection
             for dirty_region in widget._exchange_repaint_regions():
-                update_region = intersection(dirty_region.translate(offset))
-                if update_region:
+                if update_region := intersection(dirty_region.translate(offset)):
                     add_region(update_region)
 
         self._dirty_regions.update(regions)

src/textual/_styles_cache.py

@@ -104,7 +104,6 @@ def render_widget(self, widget: Widget, crop: Region) -> list[Strip]:
         Returns:
             Rendered lines.
         """
-
         border_title = widget._border_title
         border_subtitle = widget._border_subtitle