\ProvidesPackage{beamerthemetree}[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.

\mode<presentation>

\beamertemplatelargetitlepage
\beamertemplatelargepartpage
\beamertemplatelargeframetitle
\beamertemplateplaintoc
\beamertemplatelargeblocks


\newif\ifbeamer@treebar
\beamer@treebarfalse

\DeclareOptionBeamer{bars}{\beamer@treebartrue}

\ProcessOptionsBeamer

  
                                % Head
\ifbeamer@treebar
\useheadtemplate{%
  \vbox{%
    \tinycolouredline{black}{\color{white}\textbf{\insertshorttitle}\hfill}%
    \setbox\beamer@tempbox=\hbox{\insertsection}%
    \tinycolouredline{structure}{\color{black}\ifdim\wd\beamer@tempbox>1pt{\hskip2pt\raise1.9pt\hbox{\vrule width0.4pt height1.875ex\vrule width 5pt height0.4pt}}\hskip1pt\color{white}\textbf{\insertsection}\fi\hfill}%
    \setbox\beamer@tempbox=\hbox{\insertsubsection}%
    \tinycolouredline{structure!75}{\color{black}\ifdim\wd\beamer@tempbox>1pt{\hskip9.4pt\raise1.9pt\hbox{\vrule width0.4pt height1.875ex\vrule width 5pt height0.4pt}}\hskip1pt\color{white}\textbf{\insertsubsection}\fi\hfill}%
    }%
  }
\else
\useheadtemplate{%
  \vbox{%
    \vskip3pt%
    \tinyline{\color{structure}\insertshorttitle\hfill}%
    \setbox\beamer@tempbox=\hbox{\insertsection}%
    \tinyline{\color{structure}\ifdim\wd\beamer@tempbox>1pt{\hskip2pt\raise1.9pt\hbox{\vrule width0.4pt height1.875ex\vrule width 5pt height0.4pt}}\hskip1pt\insertsection\fi\hfill}%
    \setbox\beamer@tempbox=\hbox{\insertsubsection}%
    \tinyline{\color{structure}\ifdim\wd\beamer@tempbox>1pt{\hskip9.4pt\raise1.9pt\hbox{\vrule width0.4pt height1.875ex\vrule width 5pt height0.4pt}}\hskip1pt\insertsubsection\fi\hfill}%
    \insertvrule{3pt}{structure!50!averagebackgroundcolor}%
    }}%
\fi

                                % Footline
\usefoottemplate{}

\mode
<all>