diff --git a/lib/awful/util.lua.in b/lib/awful/util.lua.in index 5965bda1..95d67172 100644 --- a/lib/awful/util.lua.in +++ b/lib/awful/util.lua.in @@ -15,6 +15,7 @@ local print = print local type = type local rtable = table local pairs = pairs +local string = string local capi = { awesome = awesome, @@ -261,4 +262,24 @@ function table.hasitem(t, item) end end +--- Split a string into multiple lines +-- @param text String to wrap. +-- @param width Maximum length of each line. Default: 72. +-- @param indent Number of spaces added before each wrapped line. Default: 0. +-- @return The string with lines wrapped to width. +function linewrap(text, width, indent) + local text = text or "" + local width = width or 72 + local indent = indent or 0 + + local pos = 1 + return text:gsub("(%s+)()(%S+)()", + function(sp, st, word, fi) + if fi - pos > width then + pos = st + return "\n" .. string.rep(" ", indent) .. word + end + end) +end + -- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80