From a034467ed210374895b842a4a89f7b608c609758 Mon Sep 17 00:00:00 2001
From: 2 * r + 2 * t <61896496+soramanew@users.noreply.github.com>
Date: Tue, 24 Mar 2026 02:03:28 +1100
Subject: [PATCH] fix: check grabToImage result for nullptr

---
 plugin/src/Caelestia/imageanalyser.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/plugin/src/Caelestia/imageanalyser.cpp b/plugin/src/Caelestia/imageanalyser.cpp
index 3b3cdf84..0b623162 100644
--- a/plugin/src/Caelestia/imageanalyser.cpp
+++ b/plugin/src/Caelestia/imageanalyser.cpp
@@ -134,6 +134,11 @@ void ImageAnalyser::update() {
 
     if (m_sourceItem) {
         const QSharedPointer<const QQuickItemGrabResult> grabResult = m_sourceItem->grabToImage();
+        if (!grabResult) {
+            QObject::connect(m_sourceItem, &QQuickItem::windowChanged, this, &ImageAnalyser::requestUpdate,
+                Qt::SingleShotConnection);
+            return;
+        }
         QObject::connect(grabResult.data(), &QQuickItemGrabResult::ready, this, [grabResult, this]() {
             m_futureWatcher->setFuture(QtConcurrent::run(&ImageAnalyser::analyse, grabResult->image(), m_rescaleSize));
         });