added root_view

Author: willmcgugan

src/textual/view.py

@@ -39,14 +39,6 @@ def __init__(self, layout: Layout = None, name: str | None = None) -> None:
         self.layout.widgets = self.widgets
         super().__init__(name)
 
-    @property
-    def app(self) -> "App":
-        return active_app.get()
-
-    @property
-    def console(self) -> Console:
-        return active_app.get().console
-
     def __rich_console__(
         self, console: Console, options: ConsoleOptions
     ) -> RenderResult:
@@ -72,11 +64,9 @@ def get_widget_at(
         return self.layout.get_widget_at(x, y)
 
     async def message_update(self, message: UpdateMessage) -> None:
-        log.debug("MESSAGE_UPDATE %r", message)
         widget = message.sender
         assert isinstance(widget, Widget)
-        display_update = self.app.view.layout.update_widget(self.console, widget)
-        log.debug("%r", display_update)
+        display_update = self.root_view.layout.update_widget(self.console, widget)
         if display_update is not None:
             self.app.display(display_update)
 

src/textual/widget.py

@@ -33,6 +33,7 @@
 
 if TYPE_CHECKING:
     from .app import App
+    from .view import View
 
 
 WidgetID = NewType("WidgetID", int)
@@ -152,6 +153,11 @@ def console(self) -> Console:
         """Get the current console."""
         return active_app.get().console
 
+    @property
+    def root_view(self) -> "View":
+        """Return the top-most view."""
+        return active_app.get().view
+
     @property
     def animate(self) -> BoundAnimator:
         if self._animate is None:
@@ -185,7 +191,7 @@ async def refresh(self) -> None:
 
     async def repaint(self) -> None:
         """Instructs parent to repaint this widget."""
-        await self.app.view.post_message(UpdateMessage(self, self))
+        await self.emit(UpdateMessage(self, self))
 
     def render(self) -> RenderableType:
         """Get renderable for widget.