1 files changed, 3 insertions, 2 deletions
diff --git a/src/widgets/widgets/qplaintextedit.cpp b/src/widgets/widgets/qplaintextedit.cpp
index bd7f844eca..3ff8e8cbbf 100644
--- a/src/widgets/widgets/qplaintextedit.cpp
+++ b/src/widgets/widgets/qplaintextedit.cpp
@@ -690,10 +690,9 @@ void QPlainTextEditPrivate::ensureVisible(int position, bool center, bool forceC
     QRectF br = control->blockBoundingRect(block);
     if (!br.isValid())
         return;
-    QRectF lr = br;
     QTextLine line = block.layout()->lineForTextPosition(position - block.position());
     Q_ASSERT(line.isValid());
-    lr = line.naturalTextRect().translated(br.topLeft());
+    QRectF lr = line.naturalTextRect().translated(br.topLeft());
 
     if (lr.bottom() >= visible.bottom() || (center && lr.top() < visible.top()) || forceCenter){
 
@@ -2538,6 +2537,8 @@ void QPlainTextEdit::setReadOnly(bool ro)
     }
     setAttribute(Qt::WA_InputMethodEnabled, shouldEnableInputMethod(this));
     d->control->setTextInteractionFlags(flags);
+    QEvent event(QEvent::ReadOnlyChange);
+    QApplication::sendEvent(this, &event);
 }
 
 /*!