1 files changed, 4 insertions, 1 deletions
diff --git a/src/widgets/widgets/qwidgetlinecontrol.cpp b/src/widgets/widgets/qwidgetlinecontrol.cpp
index 7033eeea22..86a830a9f9 100644
--- a/src/widgets/widgets/qwidgetlinecontrol.cpp
+++ b/src/widgets/widgets/qwidgetlinecontrol.cpp
@@ -1879,7 +1879,10 @@ void QWidgetLineControl::processKeyEvent(QKeyEvent* event)
         unknown = false;
     }
 
-    if (unknown && !isReadOnly()) {
+    // QTBUG-35734: ignore Ctrl/Ctrl+Shift; accept only AltGr (Alt+Ctrl) on German keyboards
+    if (unknown && !isReadOnly()
+        && event->modifiers() != Qt::ControlModifier
+        && event->modifiers() != (Qt::ControlModifier | Qt::ShiftModifier)) {
         QString t = event->text();
         if (!t.isEmpty() && t.at(0).isPrint()) {
             insert(t);