From 6d5db75411d38f146ce218250b44b64ba349f70d Mon Sep 17 00:00:00 2001
From: Daniel Viegas <dlviegas@gmail.com>
Date: Fri, 28 Nov 2025 22:19:03 +0100
Subject: [PATCH] Add missing build_tree() abstract method implementation

- Implement build_tree() method required by NavigationView
- Calls goto_handle() with active family to rebuild display
- Fixes TypeError when loading MyTimeline view
---
 MyTimeline.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/MyTimeline.py b/MyTimeline.py
index 5e66938..bd32c48 100644
--- a/MyTimeline.py
+++ b/MyTimeline.py
@@ -187,6 +187,12 @@ class MyTimelineView(NavigationView):
         self.scrolledwindow.add(self.drawing_area)
         return self.scrolledwindow
 
+    def build_tree(self):
+        """Rebuilds the current display. Called when the view becomes visible."""
+        active_handle = self.get_active()
+        if active_handle:
+            self.goto_handle(active_handle)
+
     def goto_handle(self, handle):
         """Called when the active family changes."""
         if handle == self.active_family_handle: