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   1 \usepackage{listings}
   2
   3 % for listings
   4 \definecolor{acmebg}{HTML}{FFFFEF}
   5 \definecolor{acmeh}{HTML}{EFFFFF}
   6 \definecolor{acmec}{HTML}{8C8ACE}
   7 \definecolor{acmel}{HTML}{52AAAD}
   8 \definecolor{acmel1}{HTML}{EFEF9C}
   9 \definecolor{acmel2}{HTML}{9CEFEF}
  10 \lstset{
  11         columns=flexible,
  12         keepspaces=true,
  13         showstringspaces=false,
  14         showtabs=false,
  15         tabsize=4,
  16         frame=single,
  17         basicstyle=\fontsize{10pt}{12}\bf\ttfamily\color{black},
  18         backgroundcolor=\color{acmebg},
  19         commentstyle=\color{black},
  20         keywordstyle=\color{black},
  21         stringstyle=\color{red},
  22         rulecolor=\color{acmel},
  23         framerule=1pt
  24 }
  25
  26 % for listings background
  27 \makeatletter
  28 \let\old@lstKV@SwitchCases\lstKV@SwitchCases
  29 \def\lstKV@SwitchCases#1#2#3{}
  30 \makeatother
  31 \usepackage{lstlinebgrd}
  32 \makeatletter
  33 \let\lstKV@SwitchCases\old@lstKV@SwitchCases
  34
  35 \lst@Key{numbers}{none}{%
  36     \def\lst@PlaceNumber{\lst@linebgrd}%
  37     \lstKV@SwitchCases{#1}%
  38     {none:\\%
  39      left:\def\lst@PlaceNumber{\llap{\normalfont
  40                 \lst@numberstyle{\thelstnumber}\kern\lst@numbersep}\lst@linebgrd}\\%
  41      right:\def\lst@PlaceNumber{\rlap{\normalfont
  42                 \kern\linewidth \kern\lst@numbersep
  43                 \lst@numberstyle{\thelstnumber}}\lst@linebgrd}%
  44     }{\PackageError{Listings}{Numbers #1 unknown}\@ehc}}
  45 \makeatother