fix for regresssion in fw/bw navigation

2025-11-10 13:25:04 +01:00
parent 890a0e768b
commit fb52178cc6
2 changed files with 369 additions and 4 deletions
@@ -376,12 +376,18 @@ class BufferedPageRenderer:
        cached_page = self.buffer.get_page(position)
        if cached_page:
            # Get next position from position map
-            next_pos = self.buffer.position_map.get(position, position)
+            next_pos = self.buffer.position_map.get(position)

-            # Start background rendering for upcoming pages
-            self.buffer.start_background_rendering(position, 'forward')
+            # Only use cache if we have the forward position mapping
+            # Otherwise, we need to compute it
+            if next_pos is not None:
+                # Start background rendering for upcoming pages
+                self.buffer.start_background_rendering(position, 'forward')

-            return cached_page, next_pos
+                return cached_page, next_pos
+
+            # Cache hit for the page, but we don't have the forward position
+            # Fall through to compute it below

        # Render the page directly
        page, next_pos = self.layouter.render_page_forward(position, font_scale)