update for textual 8.2

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Textual-Window Changelog
 
+## [0.8.2] 2026-07-19
+
+### Changed
+
+- Relaxed the Textual version constraint to `>=5.1.0,<9.0.0` to allow the latest Textual (verified against 8.2.8).
+- Added a `TypedAppMixin` typing shim in `button_bases.py`. Textual 8.x declares `DOMNode.app` with `getters.app(App)`, which resolves to `App[Unknown]` and fails strict type checking; the mixin redeclares it as `App[object]` with no runtime effect.
+- [dev] Added Textual 8.2 to the Nox test matrix alongside 5.1.
+- [dev] Regenerated the snapshot baseline under Textual 8.2.8 and Python 3.9 (the version CI and `.python-version` use — Rich's SVG output is sensitive to both the Rich and Python versions). The snapshot test is skipped on Textual < 8, since older Rich versions emit a different SVG format.
+- [dev] Updated `uv.lock` so the default dev environment uses the latest Textual.
+
 ## [0.8.1] 2025-08-01
 
 - Updated `ezpubsub` dependency to version 0.3.0

noxfile.py

@@ -24,7 +24,7 @@
 
 # PYTHON_VERSIONS = ["3.9", "3.10", "3.11", "3.12"]
 PYTHON_VERSIONS = ["3.9"]
-MAJOR_TEXTUAL_VERSIONS = [5.1]
+MAJOR_TEXTUAL_VERSIONS = [5.1, 8.2]
 
 ##############
 # NOX CONFIG #

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "textual-window"
-version = "0.8.1"
+version = "0.8.2"
 description = "A Textual widget for a floating, draggable window and included window bar/manager system."
 readme = "README.md"
 requires-python = ">=3.9"
@@ -24,7 +24,7 @@ classifiers = [
 
 dependencies = [
     "ezpubsub>=0.3.0",
-    "textual>=5.1.0,<6.0.0",
+    "textual>=5.1.0,<9.0.0",
 ]
 
 [project.urls]

src/textual_window/button_bases.py

@@ -2,13 +2,34 @@
 
 from __future__ import annotations
 
+from typing import TYPE_CHECKING
+
 from textual.visual import VisualType
 from textual import events
 from textual.widgets import Static
 from textual.message import Message
 
+if TYPE_CHECKING:
+    from textual.app import App
+
+
+class TypedAppMixin:
+    """Redeclares `self.app` as `App[object]` for the type checkers.
+
+    Textual 8.x types `DOMNode.app` with `getters.app(App)`, which resolves to
+    `App[Unknown]` and fails strict Pyright/MyPy wherever `self.app` is used.
+    This mixin has no runtime effect."""
+
+    if TYPE_CHECKING:
+
+        @property
+        def app(self) -> App[object]: ...
+
+        @app.setter
+        def app(self, app: App[object]) -> None: ...
+
 
-class NoSelectStatic(Static):
+class NoSelectStatic(TypedAppMixin, Static):
     """This class is used in window.py and windowbar.py to create buttons."""
 
     @property

src/textual_window/switcher.py

@@ -23,14 +23,14 @@
 
 # Local imports
 from textual_window.manager import window_manager
-from textual_window.button_bases import ButtonStatic
+from textual_window.button_bases import ButtonStatic, TypedAppMixin
 
 __all__ = [
     "WindowSwitcher",
 ]
 
 
-class WindowSwitcher(Widget):
+class WindowSwitcher(TypedAppMixin, Widget):
 
     def __init__(self, cycle_key: str = "f1", **kwargs: Any) -> None:
         super().__init__(**kwargs)
@@ -49,7 +49,7 @@ def __init__(self, name: str, content: VisualType = "") -> None:
         super().__init__(name=name, content=content)
 
 
-class WindowSwitcherScreen(ModalScreen[None]):
+class WindowSwitcherScreen(TypedAppMixin, ModalScreen[None]):
 
     CSS = """
     WindowSwitcherScreen { align: center middle; }

src/textual_window/window.py

@@ -34,6 +34,7 @@
 # Local imports
 from textual_window.manager import window_manager
 from textual_window.windowcomponents import Resizer, TopBar, BottomBar
+from textual_window.button_bases import TypedAppMixin
 
 __all__ = [
     "Window",
@@ -79,7 +80,7 @@ def control(self) -> Window:
         return self.window
 
 
-class Window(Widget):
+class Window(TypedAppMixin, Widget):
 
     DEFAULT_CSS = """
     Window {

src/textual_window/windowbar.py

@@ -31,7 +31,7 @@
 
 # Local imports
 from textual_window.manager import window_manager  # The manager is a singleton instance
-from textual_window.button_bases import NoSelectStatic, ButtonStatic
+from textual_window.button_bases import NoSelectStatic, ButtonStatic, TypedAppMixin
 
 __all__ = [
     "WindowBar",
@@ -245,7 +245,7 @@ async def button_pressed(self, event: ButtonStatic.Pressed) -> None:
                 self.window_bar.toggle_dock_location()
 
 
-class WindowBar(Horizontal):
+class WindowBar(TypedAppMixin, Horizontal):
 
     DEFAULT_CSS = """
     WindowBar {

tests/test_suite.py

@@ -1,18 +1,27 @@
 from pathlib import Path
+import pytest
+from textual import __version__ as textual_version
 from textual.pilot import Pilot
 from textual_window.demo import WindowDemo
+
 # from .app_test import WindowTestApp
 
 DEMO_DIR = Path(__file__).parent
 TERINAL_SIZE = (110, 36)
 
-async def test_launch():  
+
+async def test_launch():
     """Test launching the WindowDemo app."""
     app = WindowDemo()
     async with app.run_test() as pilot:
         await pilot.pause()
-        await pilot.exit(None) 
+        await pilot.exit(None)
+
 
+@pytest.mark.skipif(
+    int(textual_version.split(".")[0]) < 8,
+    reason="Snapshot baseline is generated under Textual 8.x; older Rich emits a different SVG format",
+)
 def test_snapshot_launch_only(snap_compare):
 
     async def run_before(pilot: Pilot[None]) -> None:
@@ -22,4 +31,4 @@ async def run_before(pilot: Pilot[None]) -> None:
         DEMO_DIR / "app_test.py",
         terminal_size=TERINAL_SIZE,
         run_before=run_before,
-    )
+    )