QPlainTextEdit: Take vertical offset into account when answering input method queries.

Determine offset point to similar to QTextEdit::inputMethodQuery()
and add an autotest.

Task-number: QTBUG-51923
Change-Id: I8232eb348063e2cd95d0632fe74a6eb30c897eda
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/src/widgets/widgets/qplaintextedit.cpp b/src/widgets/widgets/qplaintextedit.cpp
index 91788a3383..bb933362da 100644
--- a/src/widgets/widgets/qplaintextedit.cpp
+++ b/src/widgets/widgets/qplaintextedit.cpp
@@ -2198,15 +2198,15 @@ QVariant QPlainTextEdit::inputMethodQuery(Qt::InputMethodQuery property, QVarian
         break;
     default:
         v = d->control->inputMethodQuery(property, argument);
-        const QPoint offset(-d->horizontalOffset(), -0);
+        const QPointF offset = contentOffset();
         if (v.type() == QVariant::RectF)
-            v = v.toRectF().toRect().translated(offset);
+            v = v.toRectF().translated(offset);
         else if (v.type() == QVariant::PointF)
-            v = v.toPointF().toPoint() + offset;
+            v = v.toPointF() + offset;
         else if (v.type() == QVariant::Rect)
-            v = v.toRect().translated(offset);
+            v = v.toRect().translated(offset.toPoint());
         else if (v.type() == QVariant::Point)
-            v = v.toPoint() + offset;
+            v = v.toPoint() + offset.toPoint();
     }
 
     return v;