num_lines_for_manifest_navigator = function(candidates)
	local result = 1
	local x = 5
	for i,def in ipairs(candidates) do
		local width = to_hud_text(def):getWidth()
		if x + width > App.screen.width - 5 then
			result = result+1
			x = 5
		end
		x = x + width + 30
	end
	return result
end