From bc8289e48fae6654c5386eb77ddc3345a7a32f22 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lukas=20Br=C3=BCbach?= <Bruebach.Lukas@bdosecurity.de>
Date: Fri, 9 Oct 2026 12:47:53 +0200
Subject: [PATCH] [UI] Prevent Tab from moving focus when no completion popup

---
 .../src/interface/widgets/utility/line_edit_completer.cpp     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cockatrice/src/interface/widgets/utility/line_edit_completer.cpp b/cockatrice/src/interface/widgets/utility/line_edit_completer.cpp
index 95e335963..8d4a4f973 100644
--- a/cockatrice/src/interface/widgets/utility/line_edit_completer.cpp
+++ b/cockatrice/src/interface/widgets/utility/line_edit_completer.cpp
@@ -123,10 +123,12 @@ void LineEditCompleter::keyPressEvent(QKeyEvent *event)
                     insertCompletion(info.completer, completionText);
                 }
                 hideCompleterPopups();
-                setFocus();
                 return;
             }
         }
+        // If no popup is visible, prevent Tab from moving focus
+        event->ignore();
+        return;
     }
 
     LineEditUnfocusable::keyPressEvent(event);