\ProvidesPackage{beamerthemeboxes}[2003/11/07 ver 0.93]
\NeedsTeXFormat{LaTeX2e}[1995/12/01]

% Copyright 2003 by Till Tantau <tantau@cs.tu-berlin.de>.
%
% This program can be redistributed and/or modified under the terms
% of the LaTeX Project Public License Distributed from CTAN
% archives in directory macros/latex/base/lppl.txt.

\RequirePackage{keyval}[1997/11/10]

\def\ProcessOptionsWithKV#1{%
  \let\@tempa\@empty
  \@for\CurrentOption:=\@classoptionslist\do{%
    \@ifundefined{KV@#1@\CurrentOption}%
    {}{\edef\@tempa{\@tempa,\CurrentOption,}}}%
  \edef\@tempa{%
    \noexpand\setkeys{#1}{\@tempa\@ptionlist{\@currname.\@currext}}}%
  \@tempa
  \AtEndOfPackage{\let\@unprocessedoptions\relax}}

\newdimen\beamer@boxheadheight
\newdimen\beamer@boxfootheight
\beamer@boxheadheight=10pt
\beamer@boxfootheight=10pt
\define@key{BeamerBoxes}{headheight}{\beamer@boxheadheight=#1}
\define@key{BeamerBoxes}{footheight}{\beamer@boxfootheight=#1}
\ProcessOptionsWithKV{BeamerBoxes}

% For example:
%\addheadboxtemplate{\color{black}}{\hfill\tiny\color{white}\textbf{\insertshorttitle}\hskip0.3cm}
%\addheadboxtemplate{\color{structure}}{\hskip0.3cm\tiny\color{white}\textbf{\insertshortauthor}}

%\addfootboxtemplate{\color{black}}{\hfill\tiny\color{white}\textbf{\insertshortinstitute}\hskip0.3cm}
%\addfootboxtemplate{\color{structure}}{}
%\addfootboxtemplate{\color{black}}{\hfill\tiny\color{white}\textbf{\insertframenumber}\hskip0.3cm}


\mode<presentation>


                                % Standard templates
\beamertemplatelargetitlepage
\beamertemplatelargepartpage
\beamertemplatelargeframetitle
\beamertemplatelargeblocks
\beamertemplatecircleminiframeinverted
\beamertemplateplaintoc
\beamertemplatelightsectionheads


                                % Head
\newcount\beamer@headboxes
\newdimen\beamer@headboxsizes
\newcount\beamer@currentbox
\def\addheadboxtemplate#1#2{
  \expandafter\def\csname beamer@headbox\the\beamer@headboxes\endcsname{#2}
  \expandafter\def\csname beamer@headbg\the\beamer@headboxes\endcsname{#1}
  \advance\beamer@headboxes by 1\relax
  \beamer@headboxsizes=\paperwidth
  \divide\beamer@headboxsizes by\beamer@headboxes
}

\useheadtemplate{%
  \vbox{%
    \hbox{%
      \hskip-\Gm@lmargin%
    \hbox{%
    \beamer@currentbox=0\relax%
    \loop%
    \ifnum\beamer@currentbox<\beamer@headboxes%
    \hbox to\beamer@headboxsizes{%
     % Background
      {%
        \csname beamer@headbg\the\beamer@currentbox\endcsname%
        \vrule width\beamer@headboxsizes height\beamer@boxheadheight%
        \hskip-\beamer@headboxsizes%
      }%
      % Box
      {%
        \setbox\beamer@tempbox=\hbox to\beamer@headboxsizes{%
          \csname beamer@headbox\the\beamer@currentbox\endcsname\hfil}%
        \dp\beamer@tempbox=0pt%
        \setbox\beamer@tempbox=\hbox{\vbox{\box\beamer@tempbox\vskip3pt}}%
        \ht\beamer@tempbox=\beamer@boxheadheight%
        \dp\beamer@tempbox=0pt%
        \box\beamer@tempbox%
      }}%
    \advance\beamer@currentbox by 1%
    \repeat%
    }%
    \hskip-\Gm@rmargin%
    }%
}}

                                % Foot
\newcount\beamer@footboxes
\newdimen\beamer@footboxsizes
\def\addfootboxtemplate#1#2{
  \expandafter\def\csname beamer@footbox\the\beamer@footboxes\endcsname{#2}
  \expandafter\def\csname beamer@footbg\the\beamer@footboxes\endcsname{#1}
  \advance\beamer@footboxes by 1\relax
  \beamer@footboxsizes=\paperwidth
  \divide\beamer@footboxsizes by\beamer@footboxes
}

\usefoottemplate{%
  \vbox{%
    \hbox{%
    \hskip-\Gm@lmargin%
    \hbox{%
    \beamer@currentbox=0\relax%
    \loop%
    \ifnum\beamer@currentbox<\beamer@footboxes%
    \hbox to\beamer@footboxsizes{%
       % Background
      {%
        \csname beamer@footbg\the\beamer@currentbox\endcsname%
        \vrule width\beamer@footboxsizes height\beamer@boxfootheight%
        \hskip-\beamer@footboxsizes%
      }%
      % Box
      {%
        \setbox\beamer@tempbox=\hbox to\beamer@footboxsizes{%
          \csname beamer@footbox\the\beamer@currentbox\endcsname\hfil}%
        \dp\beamer@tempbox=0pt%
        \setbox\beamer@tempbox=\hbox{\vbox{\box\beamer@tempbox\vskip3pt}}%
        \ht\beamer@tempbox=\beamer@boxfootheight%
        \dp\beamer@tempbox=0pt%
        \box\beamer@tempbox%
      }%
    }%
    \advance\beamer@currentbox by 1%
    \repeat%
    }%
    \hskip-\Gm@rmargin%
    }%
}}

\mode
<all>