repositioning from child

gistfile1.lua

mover:SetScript("OnDragStart", function()
	local lastX, lastY = GetCursorPosition()
	mover:SetScript("OnUpdate", function()
		local x, y = GetCursorPosition()
		
		xOff, yOff = x-lastX, y-lastY
		lastX, lastY = x, y
	
		for i = 1, frame:GetNumPoints() do
			local point, relativeTo, relativePoint, xOffset, yOffset = frame:GetPoint(i)
			frame:SetPoint(point, relativeTo, relativePoint, xOffset+xOff, yOffset+yOff)
		end
	end)
end)
mover:SetScript("OnDragStop", function()
	local xOff, yOff = GetCursorPosition()
	mover:SetScript("OnUpdate", nil)
end)