From 3c84c13691556fa397a951f23fd3ec12e45b5a5a Mon Sep 17 00:00:00 2001
From: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date: Fri, 6 Sep 2019 19:56:41 +0200
Subject: [PATCH] isVisibleToLayout added

---
 src/layouts/QskLayoutConstraint.cpp | 11 +++++++++++
 src/layouts/QskLayoutConstraint.h   |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/src/layouts/QskLayoutConstraint.cpp b/src/layouts/QskLayoutConstraint.cpp
index 2688ecb6..0bcc1b14 100644
--- a/src/layouts/QskLayoutConstraint.cpp
+++ b/src/layouts/QskLayoutConstraint.cpp
@@ -494,3 +494,14 @@ void QskLayoutConstraint::setRetainSizeWhenHidden( QQuickItem* item, bool on )
         item->setProperty( s_retainSizeWhenHiddenProperty, v );
     }
 }
+
+bool QskLayoutConstraint::isVisibleToLayout( const QQuickItem* item )
+{
+    if ( item )
+    {
+        if ( !qskIsTransparentForPositioner( item ) )
+            return qskIsVisibleToParent( item ) || retainSizeWhenHidden( item );
+    }
+
+    return false;
+}
diff --git a/src/layouts/QskLayoutConstraint.h b/src/layouts/QskLayoutConstraint.h
index 55b36f06..c2fcd553 100644
--- a/src/layouts/QskLayoutConstraint.h
+++ b/src/layouts/QskLayoutConstraint.h
@@ -66,6 +66,8 @@ namespace QskLayoutConstraint
     QSK_EXPORT bool retainSizeWhenHidden( const QQuickItem* );
     QSK_EXPORT void setRetainSizeWhenHidden( QQuickItem*, bool );
 
+    QSK_EXPORT bool isVisibleToLayout( const QQuickItem* );
+
     const qreal unlimited = std::numeric_limits< float >::max();
     const QSizeF defaultSizeHints[] = { { 0, 0 }, { -1, -1 }, { unlimited, unlimited } };
 }