Merge branch 'main' into alt-compose

CHANGELOG.md

@@ -5,12 +5,31 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## Unreleased
+
+## [0.12.0] - Unreleased
+
+### Added
+
+- Added `App.batch_update` https://github.com/Textualize/textual/pull/1832
+- Added horizontal rule to Markdown https://github.com/Textualize/textual/pull/1832
+- Added `Widget.disabled` https://github.com/Textualize/textual/pull/1785
 
 ### Changed
 
+- Scrolling by page now adds to current position.
+- Markdown lists have been polished: a selection of bullets, better alignment of numbers, style tweaks https://github.com/Textualize/textual/pull/1832
 - Added alternative method of composing Widgets https://github.com/Textualize/textual/pull/1847
 
+### Removed
+
+- Removed `screen.visible_widgets` and `screen.widgets`
+
+
+### Fixed
+
+- Numbers in a descendant-combined selector no longer cause an error https://github.com/Textualize/textual/issues/1836
+
+
 ## [0.11.1] - 2023-02-17
 
 ### Fixed

docs/examples/styles/height_comparison.css

@@ -28,12 +28,12 @@
 
 Screen {
     layers: ruler;
+    overflow: hidden;
 }
 
 Ruler {
     layer: ruler;
     dock: right;
-    overflow: hidden;
     width: 1;
     background: $accent;
 }

docs/guide/CSS.md

@@ -315,6 +315,8 @@ The `background: green` is only applied to the Button underneath the mouse curso
 
 Here are some other pseudo classes:
 
+- `:disabled` Matches widgets which are in a disabled state.
+- `:enabled` Matches widgets which are in an enabled state.
 - `:focus` Matches widgets which have input focus.
 - `:focus-within` Matches widgets with a focused a child widget.
 

examples/dictionary.css

@@ -8,9 +8,9 @@ Input {
 }
 
 #results {
-    width: auto;   
-    min-height: 100%;
-    padding: 0 1;    
+    width: 100%;
+    height: auto;
+
 }
 
 #results-container {

examples/dictionary.py

@@ -7,11 +7,10 @@
 except ImportError:
     raise ImportError("Please install httpx with 'pip install httpx' ")
 
-from rich.markdown import Markdown
 
 from textual.app import App, ComposeResult
 from textual.containers import Content
-from textual.widgets import Input, Static
+from textual.widgets import Input, Markdown
 
 
 class DictionaryApp(App):
@@ -36,17 +35,22 @@ async def on_input_changed(self, message: Input.Changed) -> None:
             asyncio.create_task(self.lookup_word(message.value))
         else:
             # Clear the results
-            self.query_one("#results", Static).update()
+            await self.query_one("#results", Markdown).update("")
 
     async def lookup_word(self, word: str) -> None:
         """Looks up a word."""
         url = f"https://api.dictionaryapi.dev/api/v2/entries/en/{word}"
         async with httpx.AsyncClient() as client:
-            results = (await client.get(url)).json()
+            response = await client.get(url)
+            try:
+                results = response.json()
+            except Exception:
+                self.query_one("#results", Static).update(response.text)
+                return
 
         if word == self.query_one(Input).value:
             markdown = self.make_word_markdown(results)
-            self.query_one("#results", Static).update(Markdown(markdown))
+            await self.query_one("#results", Markdown).update(markdown)
 
     def make_word_markdown(self, results: object) -> str:
         """Convert the results in to markdown."""

examples/example.md

@@ -42,6 +42,32 @@ Two tildes indicates strikethrough, e.g. `~~cross out~~` render ~~cross out~~.
 
 Inline code is indicated by backticks. e.g. `import this`.
 
+## Lists
+
+1. Lists can be ordered
+2. Lists can be unordered
+   - 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.
+
+### Longer list
+
+1. **Duke Leto I Atreides**, head of House Atreides
+2. **Lady Jessica**, Bene Gesserit and concubine of Leto, and mother of Paul and Alia
+3. **Paul Atreides**, son of Leto and Jessica
+4. **Alia Atreides**, daughter of Leto and Jessica
+5. **Gurney Halleck**, troubadour warrior of House Atreides
+6. **Thufir Hawat**, Mentat and Master of Assassins of House Atreides
+7. **Duncan Idaho**, swordmaster of House Atreides
+8. **Dr. Wellington Yueh**, Suk doctor of House Atreides
+9. **Leto**, first son of Paul and Chani who dies as a toddler
+10. **Esmar Tuek**, a smuggler on Arrakis
+11. **Staban Tuek**, son of Esmar
+
 ## Fences
 
 Fenced code blocks are introduced with three back-ticks and the optional parser. Here we are rendering the code in a sub-widget with syntax highlighting and indent guides.

examples/five_by_five.py

@@ -1,7 +1,7 @@
-from __future__ import annotations
-
 """Simple version of 5x5, developed for/with Textual."""
 
+from __future__ import annotations
+
 from pathlib import Path
 from typing import TYPE_CHECKING, cast
 
@@ -192,8 +192,7 @@ def game_playable(self, playable: bool) -> None:
         Args:
             playable (bool): Should the game currently be playable?
         """
-        for cell in self.query(GameCell):
-            cell.disabled = not playable
+        self.query_one(GameGrid).disabled = not playable
 
     def cell(self, row: int, col: int) -> GameCell:
         """Get the cell at a given location.

src/textual/_arrange.py

@@ -128,4 +128,4 @@ def arrange(
 
         placements.extend(layout_placements)
 
-    return placements, arrange_widgets, scroll_spacing
+    return DockArrangeResult(placements, arrange_widgets, scroll_spacing)