From dab2599d29f07a084118028bc7c8f1f73d080030 Mon Sep 17 00:00:00 2001
From: scito <info@scito.ch>
Date: Fri, 11 Jul 2025 15:03:41 +0200
Subject: [PATCH] fix: add comments for Gtk2/3-workarounds in OpenCV window
 handling

---
 src/extract_otp_secrets.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/extract_otp_secrets.py b/src/extract_otp_secrets.py
index 76e497f..70f06cb 100644
--- a/src/extract_otp_secrets.py
+++ b/src/extract_otp_secrets.py
@@ -390,6 +390,7 @@ def extract_otps_from_camera(args: Args) -> Otps:
 
             cv2.imshow(WINDOW_NAME, img)
         except cv2.error as e:
+            # Workaround due to Gtk2/3 problem, see #444
             if e.code == cv2.Error.StsNullPtr:
                 # Window closed
                 break
@@ -510,6 +511,7 @@ def cv2_handle_pressed_keys(qr_mode: QRMode, otps: Otps) -> Tuple[bool, QRMode]:
     elif key == 32:
         qr_mode = next_valid_qr_mode(qr_mode, zbar_available)
         if verbose >= LogLevel.MORE_VERBOSE: print(f"QR reading mode: {qr_mode}")
+    # Do not check for invisible window due to Gtk2/3 problem, see #444
     return quit, qr_mode