tibia-client/modules/core_scripts/widget.lua

function UIWidget:setMargin(...)
    local params = {...}
    if #params == 1 then
        self:setMarginTop(params[1])
        self:setMarginRight(params[1])
        self:setMarginBottom(params[1])
        self:setMarginLeft(params[1])
    elseif #params == 2 then
        self:setMarginTop(params[1])
        self:setMarginRight(params[2])
        self:setMarginBottom(params[1])
        self:setMarginLeft(params[2])
    elseif #params == 4 then
        self:setMarginTop(params[1])
        self:setMarginRight(params[2])
        self:setMarginBottom(params[3])
        self:setMarginLeft(params[4])
    end
end