isTabFence/isShortcutScope added

src/controls/QskControl.cpp

@@ -216,7 +216,7 @@ public:
     bool isInitiallyPainted : 1;
 
     uint focusPolicy : 4;
-    bool isWheelEnabled;
+    bool isWheelEnabled : 1;
 };
 
 QskControl::QskControl( QQuickItem* parent ):
@@ -471,6 +471,32 @@ bool QskControl::isTabFence() const
     return d_func()->isTabFence;
 }
 
+bool QskControl::isTabFence( const QQuickItem* item )
+{
+    if ( item == nullptr )
+        return false;
+
+    return QQuickItemPrivate::get( item )->isTabFence;
+}
+
+bool QskControl::isShortcutScope( const QQuickItem* item )
+{
+    if ( item == nullptr )
+        return false;
+
+    /*
+        We might have something like CTRL+W to close a "window".
+        But in Qt/Quick a window is not necessarily a QQuickWindow
+        like we have f.e QskSubWindow.
+
+        Maybe it's worth to introduce a shortcutScope flag but for
+        the moment we simply use the isFocusScope/isTabFence combination,
+        that should usually be set for those "windows".
+     */
+
+    return item->isFocusScope() && QQuickItemPrivate::get( item )->isTabFence;
+}
+
 QskControl::Flags QskControl::controlFlags() const
 {
     return QskControl::Flags( d_func()->controlFlags );

src/controls/QskControl.h

@@ -134,6 +134,9 @@ public:
     void setTabFence( bool );
     bool isTabFence() const;
 
+    static bool isTabFence( const QQuickItem* );
+    static bool isShortcutScope( const QQuickItem* );
+
     void setControlFlags( Flags );
     void resetControlFlags();
     Flags controlFlags() const;