diff --git a/src/controls/QskControl.cpp b/src/controls/QskControl.cpp
index a80906ea..7176de57 100644
--- a/src/controls/QskControl.cpp
+++ b/src/controls/QskControl.cpp
@@ -206,7 +206,7 @@ public:
     inline void implicitSizeChanged()
     {
         Q_Q( QskControl );
-        if ( !q->QskResizable::sizeHint( Qt::PreferredSize ).isValid() )
+        if ( !q->explicitSizeHint( Qt::PreferredSize ).isValid() )
         {
             // when we have no PreferredSize we fall back
             // to the implicit size
@@ -924,15 +924,16 @@ void qskResolveLocale( QskControl* control )
     }
 }
 
-QSizeF QskControl::effectiveConstraint( Qt::SizeHint whichHint ) const
+QSizeF QskControl::effectiveSizeHint( Qt::SizeHint whichHint ) const
 {
     if ( whichHint < Qt::MinimumSize || whichHint > Qt::MaximumSize )
         return QSizeF( 0, 0 );
 
-    QSizeF constraint = QskResizable::sizeHint( whichHint );
-    if ( whichHint == Qt::PreferredSize && !constraint.isValid() )
+    QSizeF size = explicitSizeHint( whichHint );
+
+    if ( whichHint == Qt::PreferredSize && !size.isValid() )
     {
-        // in most cases we don't have a preferred width or height
+        // in most cases we don't have a preferred width/height
         // and fall back to the implicit size.
 
         if ( d_func()->blockedImplicitSize )
@@ -941,14 +942,14 @@ QSizeF QskControl::effectiveConstraint( Qt::SizeHint whichHint ) const
             that->updateImplicitSize();
         }
 
-        if ( constraint.width() < 0 )
-            constraint.setWidth( implicitWidth() );
+        if ( size.width() < 0 )
+            size.setWidth( implicitWidth() );
 
-        if ( constraint.height() < 0 )
-            constraint.setHeight( implicitHeight() );
+        if ( size.height() < 0 )
+            size.setHeight( implicitHeight() );
     }
 
-    return constraint;
+    return size;
 }
 
 void QskControl::resetImplicitSize()
@@ -974,6 +975,18 @@ void QskControl::resetImplicitSize()
     }
 }
 
+qreal QskControl::heightForWidth( qreal width ) const
+{
+    Q_UNUSED( width )
+    return -1;
+}
+
+qreal QskControl::widthForHeight( qreal height ) const
+{
+    Q_UNUSED( height )
+    return -1;
+}
+
 bool QskControl::event( QEvent* event )
 {
     const int eventType = event->type();
diff --git a/src/controls/QskControl.h b/src/controls/QskControl.h
index 39ef6712..bd11fcf4 100644
--- a/src/controls/QskControl.h
+++ b/src/controls/QskControl.h
@@ -143,7 +143,10 @@ public:
     Q_INVOKABLE bool testControlFlag( Flag ) const;
 
     QSizeF sizeHint() const;
-    QSizeF effectiveConstraint( Qt::SizeHint ) const;
+    QSizeF effectiveSizeHint( Qt::SizeHint ) const;
+
+    virtual qreal heightForWidth( qreal width ) const;
+    virtual qreal widthForHeight( qreal height ) const;
 
     virtual QSizeF contentsSizeHint() const;
 
@@ -246,7 +249,7 @@ inline QSizeF QskControl::implicitSize() const
 
 inline QSizeF QskControl::sizeHint() const
 {
-    return effectiveConstraint( Qt::PreferredSize );
+    return effectiveSizeHint( Qt::PreferredSize );
 }
 
 Q_DECLARE_OPERATORS_FOR_FLAGS( QskControl::Flags )
diff --git a/src/controls/QskResizable.cpp b/src/controls/QskResizable.cpp
index dfd5c6ef..52e87a94 100644
--- a/src/controls/QskResizable.cpp
+++ b/src/controls/QskResizable.cpp
@@ -71,12 +71,12 @@ QskSizePolicy::Policy QskResizable::sizePolicy( Qt::Orientation orientation ) co
 
 QSizeF QskResizable::preferredSize() const
 {
-    return sizeHint( Qt::PreferredSize );
+    return explicitSizeHint( Qt::PreferredSize );
 }
 
 void QskResizable::setPreferredSize( const QSizeF& size )
 {
-    setSizeHint( Qt::PreferredSize, size );
+    setExplicitSizeHint( Qt::PreferredSize, size );
 }
 
 void QskResizable::setPreferredSize( qreal width, qreal height )
@@ -96,12 +96,12 @@ void QskResizable::setPreferredHeight( qreal height )
 
 QSizeF QskResizable::minimumSize() const
 {
-    return sizeHint( Qt::MinimumSize );
+    return explicitSizeHint( Qt::MinimumSize );
 }
 
 void QskResizable::setMinimumSize( const QSizeF& size )
 {
-    setSizeHint( Qt::MinimumSize, size );
+    setExplicitSizeHint( Qt::MinimumSize, size );
 }
 
 void QskResizable::setMinimumSize( qreal width, qreal height )
@@ -121,12 +121,12 @@ void QskResizable::setMinimumHeight( qreal height )
 
 QSizeF QskResizable::maximumSize() const
 {
-    return sizeHint( Qt::MaximumSize );
+    return explicitSizeHint( Qt::MaximumSize );
 }
 
 void QskResizable::setMaximumSize( const QSizeF& size )
 {
-    setSizeHint( Qt::MaximumSize, size );
+    setExplicitSizeHint( Qt::MaximumSize, size );
 }
 
 void QskResizable::setMaximumSize( qreal width, qreal height )
@@ -194,7 +194,7 @@ void QskResizable::setFixedHeight( qreal height )
     }
 }
 
-void QskResizable::resetSizeHint( Qt::SizeHint whichHint )
+void QskResizable::resetExplicitSizeHint( Qt::SizeHint whichHint )
 {
     QSizeF hint;
 
@@ -226,7 +226,7 @@ void QskResizable::resetSizeHint( Qt::SizeHint whichHint )
     }
 }
 
-void QskResizable::setSizeHint( Qt::SizeHint whichHint, const QSizeF& size )
+void QskResizable::setExplicitSizeHint( Qt::SizeHint whichHint, const QSizeF& size )
 {
     if ( whichHint >= Qt::MinimumSize && whichHint <= Qt::MaximumSize )
     {
@@ -241,12 +241,12 @@ void QskResizable::setSizeHint( Qt::SizeHint whichHint, const QSizeF& size )
     }
 }
 
-void QskResizable::setSizeHint( Qt::SizeHint whichHint, qreal width, qreal height )
+void QskResizable::setExplicitSizeHint( Qt::SizeHint whichHint, qreal width, qreal height )
 {
-    setSizeHint( whichHint, QSizeF( width, height ) );
+    setExplicitSizeHint( whichHint, QSizeF( width, height ) );
 }
 
-QSizeF QskResizable::sizeHint( Qt::SizeHint whichHint ) const
+QSizeF QskResizable::explicitSizeHint( Qt::SizeHint whichHint ) const
 {
     if ( whichHint >= Qt::MinimumSize && whichHint <= Qt::MaximumSize )
         return m_sizeHints[whichHint];
@@ -255,18 +255,6 @@ QSizeF QskResizable::sizeHint( Qt::SizeHint whichHint ) const
     return QSizeF( -1, -1 );
 }
 
-qreal QskResizable::heightForWidth( qreal width ) const
-{
-    Q_UNUSED( width )
-    return -1;
-}
-
-qreal QskResizable::widthForHeight( qreal height ) const
-{
-    Q_UNUSED( height )
-    return -1;
-}
-
 void QskResizable::layoutConstraintChanged()
 {
 }
diff --git a/src/controls/QskResizable.h b/src/controls/QskResizable.h
index 893ac45e..c8baca49 100644
--- a/src/controls/QskResizable.h
+++ b/src/controls/QskResizable.h
@@ -43,18 +43,15 @@ public:
     void setFixedWidth( qreal width );
     void setFixedHeight( qreal height );
 
-    void setSizeHint( Qt::SizeHint, const QSizeF& );
-    void setSizeHint( Qt::SizeHint, qreal width, qreal height );
-    void resetSizeHint( Qt::SizeHint );
+    void setExplicitSizeHint( Qt::SizeHint, const QSizeF& );
+    void setExplicitSizeHint( Qt::SizeHint, qreal width, qreal height );
+    void resetExplicitSizeHint( Qt::SizeHint );
 
     QSizeF minimumSize() const;
     QSizeF maximumSize() const;
     QSizeF preferredSize() const;
 
-    QSizeF sizeHint( Qt::SizeHint ) const;
-
-    virtual qreal heightForWidth( qreal width ) const;
-    virtual qreal widthForHeight( qreal height ) const;
+    QSizeF explicitSizeHint( Qt::SizeHint ) const;
 
 protected:
     void initSizePolicy( QskSizePolicy::Policy, QskSizePolicy::Policy );
diff --git a/src/controls/QskTabView.cpp b/src/controls/QskTabView.cpp
index 0f453187..f98a6c70 100644
--- a/src/controls/QskTabView.cpp
+++ b/src/controls/QskTabView.cpp
@@ -183,8 +183,8 @@ QSizeF QskTabView::contentsSizeHint() const
     if ( m_data->tabBar == nullptr || m_data->tabBar->count() == 0 )
         return Inherited::contentsSizeHint();
 
-    const QSizeF barHint = m_data->tabBar->effectiveConstraint( Qt::PreferredSize );
-    const QSizeF itemHint = m_data->stackBox->effectiveConstraint( Qt::PreferredSize );
+    const QSizeF barHint = m_data->tabBar->sizeHint();
+    const QSizeF itemHint = m_data->stackBox->sizeHint();
 
     const qreal w = qMax( barHint.width(), itemHint.width() );
     const qreal h = barHint.height() + itemHint.height();
diff --git a/src/controls/QskWindow.cpp b/src/controls/QskWindow.cpp
index 45c28508..490ac215 100644
--- a/src/controls/QskWindow.cpp
+++ b/src/controls/QskWindow.cpp
@@ -395,7 +395,7 @@ QSize QskWindow::effectivePreferredSize() const
         {
             if ( QskControl* control = qobject_cast< QskControl* >( child ) )
             {
-                const QSizeF itemConstraint = control->effectiveConstraint( Qt::PreferredSize );
+                const QSizeF itemConstraint = control->sizeHint();
                 if ( doWidth )
                     constraint.setWidth( qMax( constraint.width(), itemConstraint.width() ) );
 
diff --git a/src/layouts/QskLayoutConstraint.cpp b/src/layouts/QskLayoutConstraint.cpp
index 335671e3..bbe30b3d 100644
--- a/src/layouts/QskLayoutConstraint.cpp
+++ b/src/layouts/QskLayoutConstraint.cpp
@@ -74,7 +74,7 @@ QSizeF QskLayoutConstraint::effectiveConstraint(
     const QQuickItem* item, Qt::SizeHint whichHint )
 {
     if ( const QskControl* control = qobject_cast< const QskControl* >( item ) )
-        return control->effectiveConstraint( whichHint );
+        return control->effectiveSizeHint( whichHint );
 
     QSizeF constraint( -1.0, -1.0 ); // no hint