🔀 Merge pull request #133 from davep/toc-mismatch

Try and keep the ToC in sync

Author: davep

ChangeLog.md

@@ -1,5 +1,12 @@
 # Hike ChangeLog
 
+## Unreleased
+
+**Released: WiP**
+
+- Fixed a problem with the ToC getting out of sync in some circumstances.
+  ([#132](https://github.com/davep/hike/issues/132))
+
 ## v1.1.3
 
 **Released: 2025-08-19**

src/hike/widgets/viewer.py

@@ -354,22 +354,23 @@ def _watch_location(self) -> None:
             self._visit(self.location)
 
     @on(Loaded)
-    def _update_markdown(self, message: Loaded) -> None:
+    async def _update_markdown(self, message: Loaded) -> None:
         """Update the markdown once some new content is loaded.
 
         Args:
             message: The message requesting the update.
         """
         self.query_one(ViewerTitle).location = self.location
         self._source = message.markdown
-        self.query_one(Markdown).update(message.markdown)
+        await self.query_one(Markdown).update(message.markdown)
         if (
             message.remember
             and self.location
             and self.location != self.history.current_item
         ):
             self.history.add(self.location)
-            self.post_message(self.HistoryUpdated(self))
+            if self.parent is not None:
+                self.parent.post_message(self.HistoryUpdated(self))
 
     def _visit_from_history(self) -> None:
         """Visit the current location in history."""