1 files changed, 38 insertions, 1 deletions
diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index 454eb645fb..48e5b54016 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -99,6 +99,7 @@ void QQuickWindowPrivate::updateFocusItemTransform()
         QQuickItemPrivate *focusPrivate = QQuickItemPrivate::get(focus);
         QGuiApplication::inputMethod()->setInputItemTransform(focusPrivate->itemToWindowTransform());
         QGuiApplication::inputMethod()->setInputItemRectangle(QRectF(0, 0, focusPrivate->width, focusPrivate->height));
+        focus->updateInputMethod(Qt::ImInputItemClipRectangle);
     }
 #endif
 }
@@ -257,6 +258,26 @@ void QQuickWindow::focusInEvent(QFocusEvent *ev)
     d->updateFocusItemTransform();
 }
 
+#ifndef QT_NO_IM
+static bool transformDirtyOnItemOrAncestor(const QQuickItem *item)
+{
+    while (item) {
+        if (QQuickItemPrivate::get(item)->dirtyAttributes & (
+            QQuickItemPrivate::TransformOrigin |
+            QQuickItemPrivate::Transform |
+            QQuickItemPrivate::BasicTransform |
+            QQuickItemPrivate::Position |
+            QQuickItemPrivate::Size |
+            QQuickItemPrivate::ParentChanged |
+            QQuickItemPrivate::Clip)) {
+            return true;
+        }
+        item = item->parentItem();
+    }
+    return false;
+}
+#endif
+
 void QQuickWindowPrivate::polishItems()
 {
     // An item can trigger polish on another item, or itself for that matter,
@@ -276,7 +297,17 @@ void QQuickWindowPrivate::polishItems()
     if (recursionSafeguard == 0)
         qWarning("QQuickWindow: possible QQuickItem::polish() loop");
 
-    updateFocusItemTransform();
+#ifndef QT_NO_IM
+    if (QQuickItem *focusItem = q_func()->activeFocusItem()) {
+        // If the current focus item, or any of its anchestors, has changed location
+        // inside the window, we need inform IM about it. This to ensure that overlays
+        // such as selection handles will be updated.
+        const bool isActiveFocusItem = (focusItem == QGuiApplication::focusObject());
+        const bool hasImEnabled = focusItem->inputMethodQuery(Qt::ImEnabled).toBool();
+        if (isActiveFocusItem && hasImEnabled && transformDirtyOnItemOrAncestor(focusItem))
+            updateFocusItemTransform();
+    }
+#endif
 }
 
 /*!
@@ -4024,6 +4055,12 @@ void QQuickWindow::resetOpenGLState()
 */
 
 /*!
+    \qmlproperty Item Window::contentItem
+    \readonly
+    \brief The invisible root item of the scene.
+*/
+
+/*!
     \qmlproperty Qt::ScreenOrientation Window::contentOrientation
 
     This is a hint to the window manager in case it needs to display