initialize_editor = function(obj)
	if obj.w then
		-- use an editor to wrap the text
		local scaled_fontsize = scale(20)
		local scaled_lineheight = math.floor(scaled_fontsize*1.3)
----[[
		print('init', obj.data[1], obj.w)
		print('at zoom', Viewport.zoom)
		print('width', obj.w, 'scales to', scale(obj.w))
		print('left', vx(obj.x))
		print('right', vx(obj.x+obj.w))
		print('width', vx(obj.x+obj.w)-vx(obj.x))
-- ]]
		obj.editor = edit.initialize_state(vy(obj.y), math.floor(vx(obj.x)), math.ceil(vx(obj.x+obj.w)), scaled_fontsize, scaled_lineheight)
		obj.editor.lines = load_array(obj.data)
		Text.redraw_all(obj.editor)
	end
end