\usepackage{listings}

\usepackage{etoolbox}

\setmonofont[Scale=.95]{Consolas}

\newfontfamily{\consolas}{Consolas}

\makeatletter

\let\old@lstKV@SwitchCases\lstKV@SwitchCases

\def\lstKV@SwitchCases#1#2#3{}

\makeatother

\usepackage{lstlinebgrd}

\makeatletter

\let\lstKV@SwitchCases\old@lstKV@SwitchCases

\lst@Key{numbers}{none}{%

    \def\lst@PlaceNumber{\lst@linebgrd}%

    \lstKV@SwitchCases{#1}%

    {none:\\%

     left:\def\lst@PlaceNumber{\llap{\normalfont

                \lst@numberstyle{\thelstnumber}\kern\lst@numbersep}\lst@linebgrd}\\%

     right:\def\lst@PlaceNumber{\rlap{\normalfont

                \kern\linewidth \kern\lst@numbersep

                \lst@numberstyle{\thelstnumber}}\lst@linebgrd}%

    }{\PackageError{Listings}{Numbers #1 unknown}\@ehc}}

\makeatother

\definecolor{codered}{rgb}{0.6,0,0}            % for strings

\definecolor{codegreen}{rgb}{0.25,0.5,0.35}    % comments

\definecolor{codepurple}{rgb}{0.5,0,0.35}      % keywords

\definecolor{codedocblue}{rgb}{0.25,0.35,0.75} % doc

\definecolor{codeblue}{rgb}{0.25,0.35,0.75}    % types

\BeforeBeginEnvironment{lstlisting}{\par\noindent\begin{minipage}{\linewidth}}

\AfterEndEnvironment{lstlisting}{\end{minipage}\par}

\lstdefinelanguage{Scala}{

  morekeywords={abstract,case,catch,class,def,%

    do,else,extends,false,final,finally,%

    for,if,implicit,import,match,mixin,%

    new,null,object,override,package,%

    private,protected,requires,return,sealed,%

    super,this,throw,trait,then,true,try,%

    type,val,var,while,with,yield,write,read},%

  otherkeywords={=>,<-,<\%,<:,>:,\#},%

  sensitive=true,%

  %directives={Int,Char,Rexp,String,Boolean,BigInt,Unit,List,Set},%

  %moredelim=*[directive]:,%

  morecomment=[l]{//},%

  morecomment=[n]{/*}{*/},

  morestring=[s]{"""}{"""},

  morestring=[b]",

  morestring=[b]',

}[keywords,comments,strings]

\lstdefinelanguage{While}{

  morekeywords={if,then,else,while,do,true,false,write,upto,read,for,skip},

  morecomment=[l]{//},

  morecomment=[n]{/*}{*/},

  morestring=[b]",

  otherkeywords={=,!=,:=,<,>,\%;*,/},

}[keywords,comments,strings]

\newcommand{\code}[1]{{\lstinline{#1}}}

\newcommand{\pcode}[1]{\mbox{\lstset{language={},keywordstyle=\color{black}}\lstinline!#1!}}

\newcommand{\scode}[1]{\mbox{\lstset{language={},basicstyle=\ttfamily\color{codegreen}}\lstinline!#1!}}

\makeatother

%%\lstset{escapeinside={(*@}{@*)}}

\lstset{escapeinside={/*@}{@*/}}

%% stripy code

\usepackage{lstlinebgrd}

\definecolor{capri}{rgb}{0.0, 0.75, 1.0}

\lstdefinestyle{mystyle}

       {basicstyle=\ttfamily,

	keywordstyle=\color{codepurple}\bfseries,

	stringstyle=\color{codegreen},

	commentstyle=\color{codegreen},

	morecomment=[s][\color{codedocblue}]{/**}{*/},

	numbers=none,

	numberstyle=\tiny\color{black},

	stepnumber=1,

	numbersep=10pt,

	tabsize=2,

	showspaces=false,

	showstringspaces=false,

        xleftmargin=8mm,

        emphstyle=\color{codeblue}\bfseries,

        keepspaces,

        linebackgroundcolor={\ifodd\value{lstnumber}\color{capri!3}\fi}

}

\lstset{language=Scala,

        style=mystyle}