ui/vcbutton: on function start, inform the parent frame that a function is running
ui/vcbutton: on function start, inform the parent frame that a function is running

This is needed when there are buttons attached to the same function that are placed on different Solo Frames to properly actuate the exclusive state

mcallegari/qlcplus,plugz/qlcplus,plugz/qlcplus,sbenejam/qlcplus,mcallegari/qlcplus,kripton/qlcplus,plugz/qlcplus,sbenejam/qlcplus,plugz/qlcplus,kripton/qlcplus,sbenejam/qlcplus,mcallegari/qlcplus,plugz/qlcplus,mcallegari/qlcplus,sbenejam/qlcplus,sbenejam/qlcplus,mcallegari/qlcplus,kripton/qlcplus,kripton/qlcplus,mcallegari/qlcplus,plugz/qlcplus,kripton/qlcplus,mcallegari/qlcplus,sbenejam/qlcplus,sbenejam/qlcplus,kripton/qlcplus,kripton/qlcplus,plugz/qlcplus