Merge pull request #6307 from Textualize/node-refresh

node refresh

Author: willmcgugan

CHANGELOG.md

@@ -5,6 +5,12 @@ 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/).
 
+## [7.0.0] - 2026-01-03
+
+### Changed
+
+- `Node.update_node_styles` has grown a `animate` parameter
+
 ## [6.12.0] - 2026-01-02
 
 ### Fixed
@@ -3262,6 +3268,7 @@ 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
 
+[7.0.0]: https://github.com/Textualize/textual/compare/v6.11.0...v7.0.0
 [6.11.0]: https://github.com/Textualize/textual/compare/v6.10.0...v6.11.0
 [6.10.0]: https://github.com/Textualize/textual/compare/v6.9.0...v6.10.0
 [6.9.0]: https://github.com/Textualize/textual/compare/v6.8.0...v6.9.0

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "textual"
-version = "6.12.0"
+version = "7.0.0"
 homepage = "https://github.com/Textualize/textual"
 repository = "https://github.com/Textualize/textual"
 documentation = "https://textual.textualize.io/"

src/textual/app.py

@@ -2402,16 +2402,26 @@ def get_child_by_type(self, expect_type: type[ExpectType]) -> ExpectType:
         """
         return self.screen.get_child_by_type(expect_type)
 
-    def update_styles(self, node: DOMNode) -> None:
+    def update_styles(self, node: DOMNode, animate: bool = True) -> None:
         """Immediately update the styles of this node and all descendant nodes.
 
-        Should be called whenever CSS classes / pseudo classes change.
+        Called by Textual whenever CSS classes / pseudo classes change.
         For example, when you hover over a button, the :hover pseudo class
         will be added, and this method is called to apply the corresponding
         :hover styles.
+
+        Args:
+            node: Node to update.
+            animate: Enable animation?
         """
-        descendants = node.walk_children(with_self=True)
-        self.stylesheet.update_nodes(descendants, animate=True)
+        if isinstance(node, App):
+            for screen in reversed(self.screen_stack):
+                screen.update_node_styles(animate=animate)
+                if not (screen.is_modal and screen.styles.background.a < 1):
+                    break
+        else:
+            descendants = node.walk_children(with_self=True)
+            self.stylesheet.update_nodes(descendants, animate=animate)
 
     def mount(
         self,

src/textual/dom.py

@@ -1733,13 +1733,13 @@ def set_classes(self, classes: str | Iterable[str]) -> Self:
         self.classes = classes
         return self
 
-    def update_node_styles(self) -> None:
+    def update_node_styles(self, animate: bool = True) -> None:
         """Request an update of this node's styles.
 
         Called by Textual whenever CSS classes / pseudo classes change.
         """
         try:
-            self.app.update_styles(self)
+            self.app.update_styles(self, animate=animate)
         except NoActiveAppError:
             pass
 

src/textual/screen.py

@@ -1441,8 +1441,7 @@ def _on_screen_resume(self) -> None:
 
         if self.is_attached:
             self._compositor_refresh()
-            if self.stack_updates == 1:
-                self.app.stylesheet.update(self)
+            self.update_node_styles(animate=False)
             self._refresh_layout(size)
             self.refresh()