From 1e2cebd424e4b7d83cb544bba5d756d7dc858001 Mon Sep 17 00:00:00 2001
From: Ethanfel <ethan.fel@ts-pc.fr>
Date: Fri, 17 Apr 2026 09:02:35 +0200
Subject: [PATCH] fix: prevent deleteLater on still-running ScanWorker QThread

When cancelling a scan during file change, connect finished signal
to deleteLater instead of calling it immediately on a running thread.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 main.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/main.py b/main.py
index b13e1d4..6ed4046 100755
--- a/main.py
+++ b/main.py
@@ -2519,7 +2519,11 @@ class MainWindow(QMainWindow):
                 self._scan_worker.progress.disconnect()
             except TypeError:
                 pass  # already disconnected
-            self._scan_worker.deleteLater()
+            if self._scan_worker.isRunning():
+                # Let the thread finish naturally; deleteLater when done
+                self._scan_worker.finished.connect(self._scan_worker.deleteLater)
+            else:
+                self._scan_worker.deleteLater()
             self._scan_worker = None
 
     def _start_scan(self) -> None: