2 files changed, 34 insertions, 0 deletions
diff --git a/src/widgets/kernel/qstackedlayout.cpp b/src/widgets/kernel/qstackedlayout.cpp
index 9b40063e65..0d2e7716e5 100644
--- a/src/widgets/kernel/qstackedlayout.cpp
+++ b/src/widgets/kernel/qstackedlayout.cpp
@@ -477,6 +477,38 @@ void QStackedLayout::setGeometry(const QRect &rect)
 }
 
 /*!
+    \reimp
+*/
+bool QStackedLayout::hasHeightForWidth() const
+{
+    const int n = count();
+
+    for (int i = 0; i < n; ++i) {
+        if (QLayoutItem *item = itemAt(i)) {
+            if (item->hasHeightForWidth())
+                return true;
+        }
+    }
+    return false;
+}
+
+/*!
+    \reimp
+*/
+int QStackedLayout::heightForWidth(int width) const
+{
+    const int n = count();
+
+    int hfw = 0;
+    for (int i = 0; i < n; ++i) {
+        if (QLayoutItem *item = itemAt(i)) {
+            hfw = qMax(hfw, item->heightForWidth(width));
+        }
+    }
+    return hfw;
+}
+
+/*!
     \enum QStackedLayout::StackingMode
     \since 4.4
 
diff --git a/src/widgets/kernel/qstackedlayout.h b/src/widgets/kernel/qstackedlayout.h
index e54efa886e..fa77341c52 100644
--- a/src/widgets/kernel/qstackedlayout.h
+++ b/src/widgets/kernel/qstackedlayout.h
@@ -94,6 +94,8 @@ public:
     QLayoutItem *itemAt(int) const;
     QLayoutItem *takeAt(int);
     void setGeometry(const QRect &rect);
+    bool hasHeightForWidth() const;
+    int heightForWidth(int width) const;
 
 Q_SIGNALS:
     void widgetRemoved(int index);