fix inline lag

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/).
 
+## [0.56.3] - 2024-04-08
+
+### Fixed
+
+- Fixed inline mode not updating https://github.com/Textualize/textual/issues/4403
+
 ## [0.56.2] - 2024-04-07
 
 ### Fixed
@@ -1859,6 +1865,7 @@ 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
 
+[0.56.3]: https://github.com/Textualize/textual/compare/v0.56.2...v0.56.3
 [0.56.2]: https://github.com/Textualize/textual/compare/v0.56.1...v0.56.2
 [0.56.1]: https://github.com/Textualize/textual/compare/v0.56.0...v0.56.1
 [0.56.0]: https://github.com/Textualize/textual/compare/v0.55.1...v0.56.0

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "textual"
-version = "0.56.2"
+version = "0.56.3"
 homepage = "https://github.com/Textualize/textual"
 repository = "https://github.com/Textualize/textual"
 documentation = "https://textual.textualize.io/"

src/textual/screen.py

@@ -674,8 +674,8 @@ def _compositor_refresh(self) -> None:
 
         app = self.app
 
-        if self is app.screen:
-            if app.is_inline:
+        if app.is_inline:
+            if self is app.screen:
                 inline_height = app._get_inline_height()
                 clear = (
                     app._previous_inline_height is not None
@@ -692,18 +692,28 @@ def _compositor_refresh(self) -> None:
                 app._previous_inline_height = inline_height
                 self._dirty_widgets.clear()
                 self._compositor._dirty_regions.clear()
-            else:
+            elif (
+                self in self.app._background_screens and self._compositor._dirty_regions
+            ):
+                app.screen.refresh(*self._compositor._dirty_regions)
+                self._compositor._dirty_regions.clear()
+                self._dirty_widgets.clear()
+
+        else:
+            if self is app.screen:
                 # Top screen
                 update = self._compositor.render_update(
                     screen_stack=app._background_screens
                 )
                 app._display(self, update)
                 self._dirty_widgets.clear()
-        elif self in self.app._background_screens and self._compositor._dirty_regions:
-            # Background screen
-            app.screen.refresh(*self._compositor._dirty_regions)
-            self._compositor._dirty_regions.clear()
-            self._dirty_widgets.clear()
+            elif (
+                self in self.app._background_screens and self._compositor._dirty_regions
+            ):
+                # Background screen
+                app.screen.refresh(*self._compositor._dirty_regions)
+                self._compositor._dirty_regions.clear()
+                self._dirty_widgets.clear()
 
     def _on_timer_update(self) -> None:
         """Called by the _update_timer."""
@@ -848,10 +858,7 @@ def _refresh_layout(self, size: Size | None = None, scroll: bool = False) -> Non
             self.app._handle_exception(error)
             return
         if self.is_current:
-            if self.app.is_inline:
-                self._update_timer.resume()
-            else:
-                self._compositor_refresh()
+            self._compositor_refresh()
 
         if self.app._dom_ready:
             self.screen_layout_refresh_signal.publish()