beamerthemeSURFsara.sty

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{beamerthemeSURFsara}[2018/06/07 v0.9 SURFsara Beamer theme]

\RequirePackage{xstring}
\RequirePackage{pgfopts}

\pgfkeys{
   /surf/.cd,
   variant/.is choice,
   variant/surf/.code={
      \wlog{beamerthemeSURFsara: selected surf variant.}
      \def\surf@variant{surf}
   },
   variant/surfsara/.code={
      \wlog{beamerthemeSURFsara: selected surfsara variant (default)}
      \def\surf@variant{surfsara}
   },
   variant=surf,
   variant/.unknown/.code=
      \PackageWarning{beamerSURFsara}
      {unknown variant value}
      {surf and surfsara are only accepted as value}
}

\ProcessPgfOptions{/surf}

% location command
\def\location{\@dblarg\beamer@location}
\long\def\beamer@location[#1]#2{%
    \def\beamer@temp{#2}%
    \ifx\beamer@temp\@empty
        \def\insertlocation{}
    \else
        \def\insertlocation{\def\inst{\beamer@instinst}\def\and{\beamer@andinst}#2}%
    \fi
    \def\beamer@shortlocation{#1}
    \def\SURFsara@beamer@insertlocation{#2}}
\location{}
% end of location command

\usecolortheme{SURFsara}
\usefonttheme{SURFsara}
\useoutertheme{SURFsara}
\useinnertheme{SURFsara}