yui/label.lua

--- Implements a static label widget
--
-- @classmod yui.Label
-- @copyright 2022, The DoubleFourteen Code Forge
-- @author Lorenzo Cogotti, Andrea Pasquini
--

local BASE = (...):gsub('label$', '')

local Widget = require(BASE..'widget')
local core = require(BASE..'core')

local shadowtext = require 'lib.gear.shadowtext'
local T = require('lib.moonspeak').translate

-- Labels don't accept focus
local Label = setmetatable({
    nofocus = true,
    __call = function(cls, args) return cls.new(args) end
}, Widget)
Label.__index = Label

--- Attributes accepted by the @{Label} widget in addition to the standard @{yui.Widget.WidgetAttributes|attributes}.
--
-- @field text (string) text displayed inside the Label
-- @field[opt='center'] valign (string) vertical alignment 'top', 'bottom', 'center'
-- @field[opt='center'] align (string) horizontal alignment, 'left', 'center', 'right'
-- @field notranslate (boolean) don't translate text
-- @table LabelAttributes

--- Label constructor
-- @param args (@{LabelAttributes}) widget attributes
function Label.new(args)
    local self = setmetatable(args, Label)

    self.text = self.text or ""
    self.text = self.notranslate and self.text or T(self.text)
    self.align = self.align or 'center'
    self.valign = self.valign or 'center'
    self.color = self.color or core.theme.color
    return self
end

function Label:draw()
    local x,y,w,h = self.x,self.y,self.w,self.h
    local font = self.font or love.graphics.getFont()
    local c = self.color.normal

    y = y + core.verticalOffsetForAlign(self.valign, font, h)

    love.graphics.setColor(c.fg)
    love.graphics.setFont(font)
    shadowtext.printf(self.text, x+2, y, w-4, self.align)
end

return Label