On Actor child order change signal, forces relayout of container.

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / devel-api / layouting / layout-group-impl.cpp

diff --git a/dali-toolkit/devel-api/layouting/layout-group-impl.cpp b/dali-toolkit/devel-api/layouting/layout-group-impl.cpp
index 428ac89..18dd1d6 100644 (file)
--- a/dali-toolkit/devel-api/layouting/layout-group-impl.cpp
+++ b/dali-toolkit/devel-api/layouting/layout-group-impl.cpp
@@ -406,6 +406,7 @@ void LayoutGroup::OnInitialize()
 
     DevelActor::ChildAddedSignal( control ).Connect( mSlotDelegate, &LayoutGroup::ChildAddedToOwner );
     DevelActor::ChildRemovedSignal( control ).Connect( mSlotDelegate, &LayoutGroup::ChildRemovedFromOwner );
+    DevelActor::ChildOrderChangedSignal( control ).Connect( mSlotDelegate, &LayoutGroup::ChildOrderChanged );
     DevelHandle::PropertySetSignal( control ).Connect( mSlotDelegate, &LayoutGroup::OnOwnerPropertySet );
 
     if( control.GetParent() )
@@ -500,6 +501,16 @@ void LayoutGroup::ChildRemovedFromOwner( Actor child )
   }
 }
 
+void LayoutGroup::ChildOrderChanged()
+{
+  RequestLayout();
+  // Force Children to be relaid out:
+  for( auto&& child : mImpl->mChildren )
+  {
+    child.child->SetLayoutRequested();
+  }
+}
+
 void LayoutGroup::OnOwnerPropertySet( Handle& handle, Property::Index index, Property::Value value )
 {
   DALI_LOG_INFO( gLogFilter, Debug::Concise, "LayoutGroup::OnOwnerPropertySet\n");