\ProvidesPackage{beamerthemesidebar}[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.

\newif\ifbeamer@sidebartab
\newif\ifbeamer@sidebardark

\beamer@sidebartabfalse
\beamer@sidebardarkfalse

\newdimen\beamer@sidebarwidth
\beamer@sidebarwidth=2.5cm

\DeclareOptionBeamer{width}[2.5cm]{\beamer@sidebarwidth=#1}
\DeclareOptionBeamer{tab}[true]{\csname beamer@sidebartab#1\endcsname}
\DeclareOptionBeamer{dark}[true]{\csname beamer@sidebardark#1\endcsname}

\ProcessOptionsBeamer

\mode<presentation>

\RequirePackage{pgfshade}

\ifbeamer@sidebardark
  \beamertemplateboldtitlepage
  \beamertemplateboldpartpage
  \beamertemplateboldframetitle
  \beamertemplateboldblocks
  \beamertemplatenavigationsymbolsvertical
\else
  \beamertemplatelargetitlepage
  \beamertemplatelargepartpage
  \beamertemplatelargeframetitle
  \beamertemplatelargeblocks
  \beamertemplatenavigationsymbolsvertical
\fi

\ifbeamer@sidebardark
  \usetemplatetocsection[50!averagebackgroundcolor]
  {\color{beamerstructure}\textbf{\inserttocsection}}

  \def\beamernavigationcolorlight{beamerstructure!65!white}
  \def\beamernavigationcolorstrong{beamerstructure!50!white}

  \ifbeamer@sidebartab
    {\tiny\global\beamer@tempdim=2.4375ex}

    \pgfdeclarehorizontalshading{beamer@tabmain}{\the\beamer@tempdim}
    {color(0pt)=(white);
      color(\beamer@sidebarwidth)=(beamerstructure!50!averagebackgroundcolor)}
    \pgfdeclarehorizontalshading{beamer@tab}{\the\beamer@tempdim}{%
      color(0pt)=(white);
      color(9pt)=(beamerstructure!50!averagebackgroundcolor);
      color(\beamer@sidebarwidth)=(beamerstructure)}
  \fi
\fi
  

                                % Sections in headline
\usesectionsidetemplate
{%
  {\tiny
    \setbox\beamer@tempbox=\hbox{%
      \ifbeamer@sidebartab%
        \ifbeamer@sidebardark%
          \color[gray]{0.3}\lower0.5ex\hbox{\pgfuseshading{beamer@tab}}%
          \hskip-\beamer@sidebarwidth%
          \color{beamerstructure!50!black}\bfseries%
        \else%
          \color[gray]{0.9}\lower0.375ex\hbox{\vrule width\beamer@sidebarwidth height 2.4375ex}%
          \hskip-\beamer@sidebarwidth%
          \color{beamerstructure}%
        \fi%
      \else%
        \ifbeamer@sidebardark%
          \color{white}\bfseries%
        \else%
          \color{black}%
        \fi%
      \fi{\kern1.125ex\insertsectionhead}}%
  \ht\beamer@tempbox=3ex%
  \dp\beamer@tempbox=0.75ex%
  \wd\beamer@tempbox=\beamer@sidebarwidth%
  \box\beamer@tempbox}%
}
{%
  {\tiny
    \setbox\beamer@tempbox=\hbox{%
      \ifbeamer@sidebartab%
        \ifbeamer@sidebardark\color{beamerstructure!50}\bfseries\else\color{beamerstructure}\fi%
      \else%
        \ifbeamer@sidebardark\color{beamerstructure!80}\bfseries\else\color{beamerstructure!75}\fi%
      \fi{\kern1.125ex\insertsectionhead}}%
  \ht\beamer@tempbox=3ex%
  \dp\beamer@tempbox=0.75ex%
  \wd\beamer@tempbox=\beamer@sidebarwidth%
  \box\beamer@tempbox}%
}

\usesubsectionsidetemplate
{%
  {\tiny
    \setbox\beamer@tempbox=\hbox{%
      \ifbeamer@sidebartab%
        \ifbeamer@sidebardark%
          \color[gray]{0.3}\lower0.5ex\hbox{\pgfuseshading{beamer@tab}}%
          \hskip-\beamer@sidebarwidth%
          \color{white}\bfseries%
        \else%
          \color{black!10}\lower0.375ex\hbox{\vrule width\beamer@sidebarwidth height 2.4375ex}%
          \hskip-\beamer@sidebarwidth%
          \color{black}%
        \fi%
      \else%
        \ifbeamer@sidebardark\color{white}\bfseries\else\color{black}\fi%
      \fi{\kern2.25ex\insertsubsectionhead}}%
  \ht\beamer@tempbox=1.6875ex%
  \dp\beamer@tempbox=0.75ex%
  \wd\beamer@tempbox=\beamer@sidebarwidth%
  \box\beamer@tempbox}%
}
{%
  {\tiny%
    \setbox\beamer@tempbox=\hbox{%
      \ifbeamer@sidebartab%
        \ifbeamer@sidebardark\color{white}\bfseries\else\color{black}\fi%
      \else%
        \ifbeamer@sidebardark\color{black!50}\bfseries\else\color{black!50}\fi%
      \fi{\kern2.25ex\insertsubsectionhead}}%
  \ht\beamer@tempbox=1.6875ex%
  \dp\beamer@tempbox=0.75ex%
  \wd\beamer@tempbox=\beamer@sidebarwidth%
  \box\beamer@tempbox}%
}

                                % Head
\useheadtemplate{}

                                % Foot
\usefoottemplate{}

                                % Sidebar
\userightsidebartemplate{\beamer@sidebarwidth}{%
  \vskip1em
  \beamer@tempdim=\beamer@sidebarwidth%
  \advance\beamer@tempdim by -6pt%
  \tiny
  \ifbeamer@sidebardark
    \hskip3pt\color{white}\bfseries\insertshorttitle%
      [width=\beamer@tempdim,center,respectlinebreaks]\par%
    \vskip1.5em
    \hskip3pt\color{beamerstructure!50}\insertshortauthor%
      [width=\beamer@tempdim,center,respectlinebreaks]\par
  \else%
    \hskip3pt\color{beamerstructure}\insertshorttitle%
      [width=\beamer@tempdim,center,respectlinebreaks]\par%
    \vskip1.5em
    \hskip3pt\color{black!75}\insertshortauthor%
      [width=\beamer@tempdim,center,respectlinebreaks]\par
  \fi
  \vskip1.5em
  \insertverticalnavigation{\beamer@sidebarwidth}%
  \vfill
  \hbox to \beamer@sidebarwidth{\hfil\insertnavigationsymbols\hskip3pt}
  \vskip3pt
  \hbox to \beamer@sidebarwidth{\hfil\insertlogo\hskip3pt}
  \vskip3pt
}

                                % Side bar background
\ifbeamer@sidebardark
  \userightsidebarverticalshadingtemplate{beamerstructure}{black}
\else
  \ifbeamer@sidebartab
    \userightsidebarverticalshadingtemplate{beamerstructure!90!white}{white!95!beamerstructure}
  \else
    \userightsidebarverticalshadingtemplate{white}{beamerstructure!50!averagebackgroundcolor}
  \fi
\fi
  
                                % Margins
\beamersetleftmargin{0.5cm}
\beamersetrightmargin{0.5cm}

\mode
<all>