yui/columns.lua

29 lines
737 B
Lua

--- Columns layout for widgets
--
-- @classmod yui.Columns
-- @copyright 2022, The DoubleFourteen Code Forge
-- @author Lorenzo Cogotti, Andrea Pasquini
--
-- A widget container, lays down its child widgets into multiple columns.
local BASE = (...):gsub('columns$', '')
local Layout = require(BASE..'layout')
-- Advance position to next column
-- given current position, widget dimensions and padding
local function columnadvance(x,y, ww,_, padding)
return x + ww + padding, y
end
local Columns = setmetatable({
advance = columnadvance,
__call = function(cls, args) return cls:new(args) end
}, Layout)
Columns.__index = Columns
function Columns:new(args) return setmetatable(Layout:new(args), self) end
return Columns