diff --git a/src/controls/QskDrawer.cpp b/src/controls/QskDrawer.cpp
index 614271d29..3b965e365 100644
--- a/src/controls/QskDrawer.cpp
+++ b/src/controls/QskDrawer.cpp
@@ -204,7 +204,7 @@ namespace
         bool isAcceptedPos( const QPointF& pos ) const override
         {
             auto drawer = qobject_cast< const QskDrawer* >( targetItem() );
-            if ( drawer->isFading() )
+            if ( drawer->isTransitioning() )
                 return false;
 
             auto rect = qskItemRect( watchedItem() );
@@ -271,7 +271,7 @@ QskDrawer::QskDrawer( QQuickItem* parentItem )
     setInteractive( true );
 
     setPopupFlag( PopupFlag::CloseOnPressOutside, true );
-    setFaderAspect( Panel | QskAspect::Position | QskAspect::Metric );
+    setTransitionAspect( Panel | QskAspect::Position | QskAspect::Metric );
 
     /*
         The drawer wants to be on top of the parent - not being
@@ -281,8 +281,8 @@ QskDrawer::QskDrawer( QQuickItem* parentItem )
     setPlacementPolicy( QskPlacementPolicy::Ignore );
     m_data->resetListener( this );
 
-    connect( this, &QskPopup::openChanged, this, &QskDrawer::setFading );
-    connect( this, &QskPopup::fadingChanged, this, &QskDrawer::setIntermediate );
+    connect( this, &QskPopup::openChanged, this, &QskDrawer::setSliding );
+    connect( this, &QskPopup::transitioningChanged, this, &QskDrawer::setIntermediate );
 }
 
 QskDrawer::~QskDrawer()
@@ -436,8 +436,8 @@ QRectF QskDrawer::layoutRectForSize( const QSizeF& size ) const
 {
     qreal ratio;
 
-    if ( isFading() )
-        ratio = metric( faderAspect() );
+    if ( isTransitioning() )
+        ratio = metric( transitionAspect() );
     else
         ratio = isOpen() ? 1.0 : 0.0;
 
@@ -467,15 +467,12 @@ void QskDrawer::itemChange( QQuickItem::ItemChange change,
     }
 }
 
-void QskDrawer::setFading( bool on )
+void QskDrawer::setSliding( bool on )
 {
-    if ( !hasFaderEffect() )
-        return;
-
     const qreal from = on ? 0.0 : 1.0;
     const qreal to = on ? 1.0 : 0.0;
 
-    const auto aspect = faderAspect();
+    const auto aspect = transitionAspect();
 
     auto hint = animationHint( aspect );
     hint.updateFlags = QskAnimationHint::UpdatePolish;
@@ -485,7 +482,7 @@ void QskDrawer::setFading( bool on )
 
 QRectF QskDrawer::clipRect() const
 {
-    if ( !isFading() )
+    if ( !isTransitioning() )
         return Inherited::clipRect();
 
     /*
@@ -534,7 +531,7 @@ void QskDrawer::setIntermediate( bool on )
 
 QRectF QskDrawer::focusIndicatorRect() const
 {
-    if ( isFading() )
+    if ( isTransitioning() )
         return QRectF();
 
     return Inherited::focusIndicatorRect();
diff --git a/src/controls/QskDrawer.h b/src/controls/QskDrawer.h
index d7e66d0ca..de02b435b 100644
--- a/src/controls/QskDrawer.h
+++ b/src/controls/QskDrawer.h
@@ -55,8 +55,7 @@ class QSK_EXPORT QskDrawer : public QskPopup
     void keyPressEvent( QKeyEvent* ) override;
 
   private:
-    void setFading( bool );
-    void setFadingClip( bool );
+    void setSliding( bool );
 
     void setIntermediate( bool );
 
diff --git a/src/controls/QskMenu.cpp b/src/controls/QskMenu.cpp
index 7390e3172..43ed0a1f1 100644
--- a/src/controls/QskMenu.cpp
+++ b/src/controls/QskMenu.cpp
@@ -58,7 +58,7 @@ QskMenu::QskMenu( QQuickItem* parent )
     , m_data( new PrivateData )
 {
     setModal( true );
-    setFaderAspect( QskMenu::Panel | QskAspect::Position | QskAspect::Metric );
+    setTransitionAspect( QskMenu::Panel | QskAspect::Position | QskAspect::Metric );
 
     setPopupFlag( QskPopup::CloseOnPressOutside, true );
     setPopupFlag( QskPopup::DeleteOnClose, true );
@@ -67,8 +67,8 @@ QskMenu::QskMenu( QQuickItem* parent )
 
     initSizePolicy( QskSizePolicy::Fixed, QskSizePolicy::Fixed );
 
-    // we hide the focus indicator while fading
-    connect( this, &QskMenu::fadingChanged, this,
+    // we hide the focus indicator while sliding
+    connect( this, &QskMenu::transitioningChanged, this,
         &QskControl::focusIndicatorRectChanged );
 
     connect( this, &QskMenu::opened, this,
@@ -452,7 +452,7 @@ void QskMenu::aboutToShow()
 
 QRectF QskMenu::focusIndicatorRect() const
 {
-    if ( isFading() )
+    if ( isTransitioning() )
         return QRectF();
 
     if( currentIndex() >= 0 )
diff --git a/src/controls/QskMenuSkinlet.cpp b/src/controls/QskMenuSkinlet.cpp
index d75323a99..13be2b34d 100644
--- a/src/controls/QskMenuSkinlet.cpp
+++ b/src/controls/QskMenuSkinlet.cpp
@@ -236,7 +236,7 @@ QSGNode* QskMenuSkinlet::updateSubNode(
 
             auto slideInNode = QskSGNode::ensureNode< QskSlideInNode >( node );
 
-            const auto progress = popup->metric( popup->faderAspect() );
+            const auto progress = popup->metric( popup->transitionAspect() );
             slideInNode->updateTranslation( rect, Qt::TopEdge, progress );
 
             auto contentsNode = updateContentsNode( popup, slideInNode->contentsNode() );
diff --git a/src/controls/QskPopup.cpp b/src/controls/QskPopup.cpp
index 507148361..bef481468 100644
--- a/src/controls/QskPopup.cpp
+++ b/src/controls/QskPopup.cpp
@@ -130,7 +130,6 @@ class QskPopup::PrivateData
     PrivateData()
         : flags( 0 )
         , isModal( false )
-        , hasFaderEffect( true )
         , autoGrabFocus( true )
         , handoverFocus( true )
     {
@@ -139,11 +138,10 @@ class QskPopup::PrivateData
     InputGrabber* inputGrabber = nullptr;
 
     uint priority = 0;
-    QskAspect faderAspect;
+    QskAspect transitionAspect;
 
     int flags           : 4;
     bool isModal        : 1;
-    bool hasFaderEffect : 1;
 
     const bool autoGrabFocus : 1;
     const bool handoverFocus : 1;
@@ -218,9 +216,9 @@ void QskPopup::setOpen( bool on )
     else
         Q_EMIT closed();
 
-    if ( isFading() )
+    if ( isTransitioning() )
     {
-        Q_EMIT fadingChanged( true );
+        Q_EMIT transitioningChanged( true );
     }
     else
     {
@@ -239,13 +237,13 @@ bool QskPopup::isOpen() const
     return !hasSkinState( QskPopup::Closed );
 }
 
-bool QskPopup::isFading() const
+bool QskPopup::isTransitioning() const
 {
-    if ( m_data->faderAspect.value() == 0 )
+    if ( m_data->transitionAspect.value() == 0 )
         return false;
 
     QskSkinHintStatus status;
-    (void) effectiveSkinHint( m_data->faderAspect, &status );
+    (void) effectiveSkinHint( m_data->transitionAspect, &status );
 
     return status.source == QskSkinHintStatus::Animator;
 }
@@ -298,37 +296,37 @@ void QskPopup::updateInputGrabber()
     }
 }
 
-QskAspect QskPopup::faderAspect() const
+QskAspect QskPopup::transitionAspect() const
 {
-    return m_data->faderAspect;
+    return m_data->transitionAspect;
 }
 
-void QskPopup::setFaderAspect( QskAspect aspect )
+void QskPopup::setTransitionAspect( QskAspect aspect )
 {
-    auto faderAspect = aspect;
-    faderAspect.clearStates(); // animated values are always stateless
+    auto transitionAspect = aspect;
+    transitionAspect.clearStates(); // animated values are always stateless
 
-    if ( faderAspect == m_data->faderAspect )
+    if ( transitionAspect == m_data->transitionAspect )
         return;
 
-    if ( isFading() )
+    if ( isTransitioning() )
     {
         // stop the running animation TODO ...
     }
 
-    m_data->faderAspect = faderAspect;
+    m_data->transitionAspect = transitionAspect;
 }
 
 bool QskPopup::isTransitionAccepted( QskAspect aspect ) const
 {
-    if ( isVisible() && m_data->hasFaderEffect )
+    if ( isVisible() )
     {
         if ( ( aspect.value() == 0 ) )
         {
             return true;
         }
 
-        if ( aspect == m_data->faderAspect )
+        if ( aspect == m_data->transitionAspect )
             return true;
 
         if ( aspect.isColor() )
@@ -371,20 +369,6 @@ bool QskPopup::isModal() const
     return m_data->isModal;
 }
 
-void QskPopup::setFaderEffect( bool on )
-{
-    if ( on != m_data->hasFaderEffect )
-    {
-        m_data->hasFaderEffect = on;
-        Q_EMIT faderEffectChanged( on );
-    }
-}
-
-bool QskPopup::hasFaderEffect() const
-{
-    return m_data->hasFaderEffect;
-}
-
 void QskPopup::setPopupFlags( PopupFlags flags )
 {
     const auto newFlags = static_cast< int >( flags );
@@ -496,7 +480,7 @@ bool QskPopup::event( QEvent* event )
             const auto animtorEvent = static_cast< QskAnimatorEvent* >( event );
 
             if ( ( animtorEvent->state() == QskAnimatorEvent::Terminated )
-                && ( animtorEvent->aspect() == m_data->faderAspect ) )
+                && ( animtorEvent->aspect() == m_data->transitionAspect ) )
             {
                 if ( !isOpen() )
                 {
@@ -506,7 +490,7 @@ bool QskPopup::event( QEvent* event )
                         deleteLater();
                 }
 
-                Q_EMIT fadingChanged( false );
+                Q_EMIT transitioningChanged( false );
             }
 
             break;
@@ -643,7 +627,7 @@ int QskPopup::execPopup()
              */
 
             connect( popup, &QObject::destroyed, this, &EventLoop::reject );
-            connect( popup, &QskPopup::fadingChanged, this, &EventLoop::maybeQuit );
+            connect( popup, &QskPopup::transitioningChanged, this, &EventLoop::maybeQuit );
             connect( popup, &QskPopup::openChanged, this, &EventLoop::maybeQuit );
         }
 
@@ -658,7 +642,7 @@ int QskPopup::execPopup()
         {
             if ( auto popup = qobject_cast< const QskPopup* >( parent() ) )
             {
-                if ( popup->isOpen() || popup->isFading() )
+                if ( popup->isOpen() || popup->isTransitioning() )
                     return;
             }
 
@@ -666,7 +650,7 @@ int QskPopup::execPopup()
         }
     };
 
-    if ( isOpen() || isFading() )
+    if ( isOpen() || isTransitioning() )
     {
         qWarning() << "QskPopup::exec: popup is already opened";
         return -1;
diff --git a/src/controls/QskPopup.h b/src/controls/QskPopup.h
index b2c99c7db..f811a26d7 100644
--- a/src/controls/QskPopup.h
+++ b/src/controls/QskPopup.h
@@ -14,13 +14,11 @@ class QSK_EXPORT QskPopup : public QskControl
 
     Q_PROPERTY( bool open READ isOpen WRITE setOpen NOTIFY openChanged )
     Q_PROPERTY( bool modal READ isModal WRITE setModal NOTIFY modalChanged )
+    Q_PROPERTY( bool transitioning READ isTransitioning NOTIFY transitioningChanged )
 
     Q_PROPERTY( bool overlay READ hasOverlay
         WRITE setOverlay RESET resetOverlay NOTIFY overlayChanged )
 
-    Q_PROPERTY( bool faderEffect READ hasFaderEffect
-        WRITE setFaderEffect NOTIFY faderEffectChanged )
-
     Q_PROPERTY( uint priority READ priority WRITE setPriority NOTIFY priorityChanged )
 
     using Inherited = QskControl;
@@ -58,16 +56,16 @@ class QSK_EXPORT QskPopup : public QskControl
     void setPriority( uint );
     uint priority() const;
 
-    void setFaderEffect( bool );
-    bool hasFaderEffect() const;
-
-    QskAspect faderAspect() const;
-    void setFaderAspect( QskAspect );
+    // transitions between open/closed states
+    QskAspect transitionAspect() const;
+    void setTransitionAspect( QskAspect );
 
-    virtual QRectF overlayRect() const;
+    bool isTransitioning() const;
 
     bool isOpen() const;
-    bool isFading() const;
+    bool isClosed() const;
+
+    virtual QRectF overlayRect() const;
 
   public Q_SLOTS:
     void open();
@@ -80,12 +78,11 @@ class QSK_EXPORT QskPopup : public QskControl
     void opened();
     void closed();
     void openChanged( bool );
-    void fadingChanged( bool );
+    void transitioningChanged( bool );
 
     void modalChanged( bool );
     void overlayChanged( bool );
     void priorityChanged( uint );
-    void faderEffectChanged( bool );
 
   protected:
     void aboutToShow() override;
@@ -115,6 +112,11 @@ class QSK_EXPORT QskPopup : public QskControl
     std::unique_ptr< PrivateData > m_data;
 };
 
+inline bool QskPopup::isClosed() const
+{
+    return !isOpen();
+}
+
 Q_DECLARE_OPERATORS_FOR_FLAGS( QskPopup::PopupFlags )
 
 #endif