void Control::Impl::SetLayout( Toolkit::Internal::LayoutItem& layout )
{
- DALI_LOG_INFO( gLogFilterLayout, Debug::Verbose, "Control::SetLayout control:%s existing layout:%s\n",
+ DALI_LOG_INFO( gLogFilterLayout, Debug::Verbose, "Control::SetLayout control:%s replacing existing layout:%s\n",
mControlImpl.Self().GetName().c_str(),
mLayout?"true":"false" );
+ // Check if layout already has an owner.
+ auto control = Toolkit::Control::DownCast( layout.GetOwner() );
+ if ( control )
+ {
+ // If the owner is not this control then the owning control can no longer own it.
+ Dali::Toolkit::Control handle( mControlImpl.GetOwner() );
+ if( control != handle )
+ {
+ DALI_LOG_INFO( gLogFilterLayout, Debug::Verbose, "Control::SetLayout Layout already in use, %s will now have a BinLayout\n",
+ control.GetName().c_str() );
+ Toolkit::BinLayout binLayout = Toolkit::BinLayout::New();
+ // Previous owner of the layout gets a BinLayout instead of the layout.
+ DevelControl::SetLayout( control, binLayout ) ;
+ }
+ else
+ {
+ return; // layout is already set to this control.
+ }
+ }
if( mLayout )
{
mLayout->Unparent();
mLayout.Reset();
}
+
mLayout = &layout;
auto controlHandle = Toolkit::Control::DownCast( mControlImpl.Self() ); // Get a handle of this control implementation without copying internals.