diff --git a/src/controls/QskControl.cpp b/src/controls/QskControl.cpp
index 0e19ee93..2b4771b8 100644
--- a/src/controls/QskControl.cpp
+++ b/src/controls/QskControl.cpp
@@ -698,6 +698,12 @@ qreal QskControl::widthForHeight( qreal height ) const
     return hint.width();
 }
 
+QSizeF QskControl::sizeConstraint(
+    Qt::SizeHint which, const QSizeF& constraint ) const
+{
+    return qskSizeConstraint( this, which, constraint );
+}
+
 bool QskControl::event( QEvent* event )
 {
     switch ( static_cast< int >( event->type() ) )
diff --git a/src/controls/QskControl.h b/src/controls/QskControl.h
index 01e48661..d9f5681e 100644
--- a/src/controls/QskControl.h
+++ b/src/controls/QskControl.h
@@ -112,7 +112,7 @@ class QSK_EXPORT QskControl : public QskQuickItem, public QskSkinnable
     void setLayoutAlignmentHint( Qt::Alignment );
     Qt::Alignment layoutAlignmentHint() const;
 
-    void setLayoutHint( LayoutHint, bool on );
+    void setLayoutHint( LayoutHint, bool on = true );
     bool testLayoutHint( LayoutHint ) const;
 
     void setLayoutHints( LayoutHints );
@@ -158,6 +158,9 @@ class QSK_EXPORT QskControl : public QskQuickItem, public QskSkinnable
     QSizeF effectiveSizeHint( Qt::SizeHint,
         const QSizeF& constraint = QSizeF() ) const;
 
+    QSizeF sizeConstraint( Qt::SizeHint,
+        const QSizeF& constraint = QSizeF() ) const ;
+
     QLocale locale() const;
     void resetLocale();