UI: request repaint on stale thumbnail return to finish grayscale refresh

2026-11-08 03:19:31 -06:00 · 2026-11-05 12:51:29 +09:00
parent b06d60b8ed
commit ebd306acc1
1 changed files with 2 additions and 1 deletions
@@ -394,7 +394,8 @@ impl Textures {
            return Some(e.tex.clone());
        }
        if *budget == 0 {
-            // Keep showing the stale thumbnail while the new one waits.
+            // Keep showing the stale thumbnail while the new one waits; request a repaint to finish rendering.
+            ctx.request_repaint();
            return self.thumbs.get(&key.slide).map(|e| e.tex.clone());
        }
        *budget -= 1;