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% Copyright 2003--2007 by Till Tantau
% Copyright 2010 by Vedran Mileti\'c
% Copyright 2011 by Vedran Mileti\'c, Joseph Wright
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the file doc/licenses/LICENSE for more details.

\ProvidesPackageRCS $Header: /Users/joseph/Documents/LaTeX/beamer/base/beamerbaseframecomponents.sty,v dcd846607320 2012/09/13 20:41:01 joseph $

\mode
<presentation>

%
% Setting the left and right margin
%
%
\beamer@leftmargin=1cm
\beamer@rightmargin=1cm

\newif\ifbeamer@dogeometry

\define@key{beamer@margin}{text margin left}{\beamer@leftmargin=#1\beamer@dogeometrytrue}
\define@key{beamer@margin}{text margin right}{\beamer@rightmargin=#1\beamer@dogeometrytrue}
\define@key{beamer@margin}{sidebar width left}{\beamer@leftsidebar=#1\beamer@dogeometrytrue}
\define@key{beamer@margin}{sidebar width right}{\beamer@rightsidebar=#1\beamer@dogeometrytrue}

\newcommand{\setbeamersize}[1]{%
  \beamer@dogeometryfalse%
  \setkeys{beamer@margin}{#1}%
  \ifbeamer@dogeometry%
    % Reset left margin now
    \beamer@tempdim=\beamer@leftmargin%
    \advance\beamer@tempdim by\beamer@leftsidebar%
    \geometry{left=\the\beamer@tempdim}%
    % Reset right margin now
    \beamer@tempdim=\beamer@rightmargin%
    \advance\beamer@tempdim by\beamer@rightsidebar%
    \geometry{right=\the\beamer@tempdim}%
  \fi%
}

\mode
<article>
{
  \newcommand{\setbeamersize}[1]{}
}





% Constructing a frame:

\let\@mkboth\@gobbletwo
\def\ps@navigation{
  \def\@oddhead{%
    \begingroup%
    \setbox\beamer@tempbox=\hbox{\usebeamertemplate***{background canvas}\hyper@pagetransition\hyper@pageduration}%
    \beamer@tempdim=\ht\beamer@tempbox%
    \setbox\beamer@tempbox=\hbox{\lower\beamer@tempdim\hbox{\box\beamer@tempbox}}%
    \wd\beamer@tempbox=0pt\ht\beamer@tempbox=0pt\dp\beamer@tempbox=0pt%
    \setbox\@tempboxa=\hbox{\usebeamertemplate***{background}}%
    \beamer@tempdim=\ht\@tempboxa%
    \setbox\@tempboxa=\hbox{\lower\beamer@tempdim\hbox{\box\@tempboxa}}%
    \wd\@tempboxa=0pt\ht\@tempboxa=0pt\dp\@tempboxa=0pt%
    \vbox{\hbox{\hskip-\Gm@lmargin\box\beamer@tempbox\box\@tempboxa}%
      \hbox{%
        {%
          \setbox\beamer@tempbox=\hbox{\hskip-\Gm@lmargin%
            {\setbox\beamer@tempbox=\hbox{\vbox to \sidebarheight{%
                  \usebeamercolor*{sidebar left}%
                  \usebeamertemplate{sidebar canvas left}%
                  \vss%
                }}%
              \wd\beamer@tempbox=0pt\ht\beamer@tempbox=0pt\dp\beamer@tempbox=0pt%
              \box\beamer@tempbox}%
            {%
              \vbox to \sidebarheight{%
                \usebeamertemplate***{sidebar left}%
                \vfil%
            }}}%
          \beamer@tempdim=\ht\beamer@tempbox%
          \setbox\beamer@tempbox=\hbox{{\lower\beamer@tempdim\hbox{\box\beamer@tempbox}}}%
          \wd\beamer@tempbox=0pt\ht\beamer@tempbox=0pt\dp\beamer@tempbox=0pt%
          \box\beamer@tempbox%
        }%
        {% print right sidebar first, since it should be overwritten by headline
          \setbox\beamer@tempbox=\hbox{\hskip\textwidth\hskip\beamer@rightmargin%
            {\setbox\beamer@tempbox=\hbox{\vbox to \sidebarheight{%
                  \usebeamercolor*{sidebar right}%
                  \usebeamertemplate{sidebar canvas right}%
                  \vss%
                }}%
              \wd\beamer@tempbox=0pt\ht\beamer@tempbox=0pt\dp\beamer@tempbox=0pt%
              \box\beamer@tempbox}%
            {%
              \vbox to \sidebarheight{%
                \usebeamertemplate***{sidebar right}%
                \vfil%
            }}}%
          \beamer@tempdim=\ht\beamer@tempbox%
          \setbox\beamer@tempbox=\hbox{{\lower\beamer@tempdim\hbox{\box\beamer@tempbox}}}%
          \wd\beamer@tempbox=0pt\ht\beamer@tempbox=0pt\dp\beamer@tempbox=0pt%
          \box\beamer@tempbox%
        }%
        \beamer@typesetheadorfoot{headline}%
      }%
      \hfil}%
    \endgroup}
  \def\@oddfoot{\vbox{\offinterlineskip\hbox{\beamer@typesetheadorfoot{footline}%
        \hypertarget{Navigation\the\c@page}{}%
        \hypertarget{page.\the\c@page}{}\hfil}\hbox{}}\hfil}
  \let\@evenhead\@oddhead
  \let\@evenfoot\@oddfoot}
\pagestyle{navigation}

\def\beamer@typesetheadorfoot#1{% typeset the head or footline
  {\parskip0pt\offinterlineskip%
    \hbox{%
      \hskip-\Gm@lmargin%
      \hbox{%
        \vbox{%
          \@tempdima=\textwidth%
          \textwidth=\paperwidth%
          \hsize=\textwidth%
          \def\\{,}%
          \usebeamertemplate***{#1}%
        }}%
      \hskip-\Gm@rmargin%
    }}\hfil%
}

%
% Patch empty page style, so that transitions and navigation still works
%
\def\ps@empty{%
  \let\@mkboth\@gobbletwo%
  \def\@oddhead{\begingroup%
    \setbox\beamer@tempbox=\hbox{\usebeamertemplate***{background canvas}\hyper@pagetransition\hyper@pageduration}%
    \beamer@tempdim=\ht\beamer@tempbox%
    \setbox\beamer@tempbox=\hbox{\lower\beamer@tempdim\hbox{\box\beamer@tempbox}}%
    \wd\beamer@tempbox=0pt\ht\beamer@tempbox=0pt\dp\beamer@tempbox=0pt%
    \setbox\@tempboxa=\hbox{\usebeamertemplate***{background}}%
    \beamer@tempdim=\ht\@tempboxa%
    \setbox\@tempboxa=\hbox{\lower\beamer@tempdim\hbox{\box\@tempboxa}}%
    \wd\@tempboxa=0pt\ht\@tempboxa=0pt\dp\@tempboxa=0pt%
    \vbox{\hbox{\hskip-\Gm@lmargin\raise\headheight\box\beamer@tempbox\box\@tempboxa}\hfil}%
    \endgroup%
  }
  \def\@oddfoot{\normalcolor{\hypertarget{Navigation\the\c@page}{}\hfil%
    \setbox\beamer@tempbox=\hbox{\usebeamertemplate***{navigation symbols}\hskip-\Gm@rmargin\hskip2pt}%
    \ht\beamer@tempbox=0pt%
    \dp\beamer@tempbox=0pt%
    \box\beamer@tempbox}}
  \let\@evenhead\@oddhead\let\@evenfoot\@oddfoot}

\def\beamer@calculateheadfoot{%
  \setbox\beamer@tempbox=\hbox{{\beamer@typesetheadorfoot{footline}}}%
  \footheight=\ht\beamer@tempbox%
  \advance\footheight by \dp\beamer@tempbox%
  \advance\footheight by 4pt%
  \setbox\beamer@tempbox=\hbox{{\beamer@typesetheadorfoot{headline}}}%
  \headheight=\ht\beamer@tempbox%
  \headdp=\dp\beamer@tempbox%
  \advance\headheight by\headdp%
  \sidebarheight=\paperheight%
  \advance\sidebarheight by-\headheight%
  \advance\sidebarheight by\headdp%
  \advance\sidebarheight by-\footheight%
  \advance\sidebarheight by 4pt%
  \footskip=\footheight%
  \textheight=\paperheight%
  \advance\textheight by-\footheight%
  \advance\textheight by-\headheight%
  \@colht\textheight%
  \@colroom\textheight%
  \vsize\textheight%
}


\def\insertpagenumber{\thepage}



%
%
% Columns
%
%
\define@key{beamer@col}{onlytextwidth}[true]{%
  \def\beamer@colentrycode{\hbox to\textwidth\bgroup\ignorespaces}%
  \def\beamer@colexitcode{\unskip\egroup}}
\define@key{beamer@col}{totalwidth}{%
  \def\beamer@colentrycode{\hbox to#1\bgroup\ignorespaces}%
  \def\beamer@colexitcode{\unskip\egroup}}
\define@key{beamer@col}{c}[true]{\def\beamer@colmode{c}\def\beamer@colalign{c}\def\beamer@colheadskip{}}
\define@key{beamer@col}{t}[true]{\def\beamer@colmode{t}\def\beamer@colalign{t}\def\beamer@colheadskip{}}
\define@key{beamer@col}{T}[true]{\def\beamer@colmode{T}\def\beamer@colalign{t}\def\beamer@colheadskip{\vskip-1ex\nointerlineskip}}
\define@key{beamer@col}{b}[true]{\def\beamer@colmode{b}\def\beamer@colalign{b}\def\beamer@colheadskip{}}

\newenvironment<>{columns}[1][]{%
  \begin{actionenv}#2%
  \def\beamer@colentrycode{%
    \hbox to\textwidth\bgroup%
    \leavevmode%
    \hskip-\beamer@leftmargin%
    \nobreak%
    \beamer@tempdim=\textwidth%
    \advance\beamer@tempdim by\beamer@leftmargin%
    \advance\beamer@tempdim by\beamer@rightmargin%
    \hbox to\beamer@tempdim\bgroup%
    \hbox{}\hfill\ignorespaces}%
  \def\beamer@colexitcode{\egroup%
    \nobreak%
    \hskip-\beamer@rightmargin\egroup}%
  \ifbeamer@centered\setkeys{beamer@col}{c}\else\setkeys{beamer@col}{t}\fi%
  \setkeys{beamer@col}{#1}%
  \par%
  \beamer@colentrycode%
  \def\beamer@colclose{}\ignorespaces}%
  {\beamer@colclose\def\beamer@colclose{}\beamer@colexitcode\end{actionenv}}%

\mode
<article>
{
  % do sth. more intelligent in the future
  \newenvironment<>{columns}[1][]{}{}
}




%
%
% Column command/environment
%
%

\mode
<all>
{
\def\beamer@columnname{column}
\def\column{%
  \ifx\@currenvir\beamer@columnname%
  \let\beamer@next=\beamer@columnenv%
  \else%
  \let\beamer@next=\beamer@columncom%
  \fi%
  \beamer@next}
}

\newenvironment<>{beamer@columnenv}[2][\beamer@colmode]{%
  \beamer@colclose\def\beamer@colclose{}%
  \begin{actionenv}#3%
    \setkeys{beamer@col}{#1}%
    \begin{minipage}[\beamer@colalign]{#2}%
      \leavevmode\raggedright\beamer@colheadskip\ignorespaces}
    {\end{minipage}\hfill\end{actionenv}\@ignoretrue}
\let\endcolumn\endbeamer@columnenv

\newcommand<>\beamer@columncom[2][\beamer@colmode]{%
  \beamer@colclose%
  \def\beamer@colclose{\end{minipage}\hfill\end{actionenv}\ignorespaces}%
\begin{actionenv}#3%
  \setkeys{beamer@col}{#1}%
  \begin{minipage}[\beamer@colalign]{#2}%
    \leavevmode\raggedright\beamer@colheadskip\ignorespaces}


\mode
<article>
{
  \newenvironment<>{beamer@columnenv}[2][]{}{}
  \newcommand<>{\beamer@columncom}[2][]{}
}



%
%
% Footnotes
%
%

\def\@makefnmark{\hbox{\@textsuperscript{{\usebeamercolor[fg]{footnote mark}\usebeamerfont*{footnote mark}\@thefnmark}}}}

\def\@makefntext#1{%
  \def\insertfootnotetext{#1}%
  \def\insertfootnotemark{\@makefnmark}%
  \usebeamertemplate***{footnote}}

\newbox\beamer@footins

\newcommand<>\beamer@framefootnotetext[1]{%
  \global\setbox\beamer@footins\vbox{%
    \hsize\framewidth
    \textwidth\hsize
    \columnwidth\hsize
    \unvbox\beamer@footins
    \reset@font\footnotesize
    \@parboxrestore
    \protected@edef\@currentlabel
         {\csname p@footnote\endcsname\@thefnmark}%
    \color@begingroup
      \uncover#2{\@makefntext{%
        \rule\z@\footnotesep\ignorespaces#1\@finalstrut\strutbox}}%
    \color@endgroup}}

\renewcommand<>\@mpfootnotetext[1]{%
  \global\setbox\@mpfootins\vbox{%
    \unvbox\@mpfootins
    \reset@font\footnotesize
    \hsize0.85\paperwidth
    \@parboxrestore
    \protected@edef\@currentlabel
         {\csname p@mpfootnote\endcsname\@thefnmark}%
    \color@begingroup
      \uncover#2{\@makefntext{%
        \rule\z@\footnotesep\ignorespaces#1\@finalstrut\strutbox}}%
    \color@endgroup}}

\let\@footnotetext=\beamer@framefootnotetext

\define@key{beamerfootnote}{frame}[true]{%
  \let\beamer@footnotetext=\beamer@framefootnotetext%
  \def\beamer@mpfn{footnote}%
  \def\beamer@thempfn{\thefootnote}}

\renewcommand<>{\footnote}[1][]{%
  \let\beamer@footnotetext=\@footnotetext%
  \let\beamer@mpfn=\@mpfn%
  \let\beamer@thempfn=\thempfn%
  \let\beamer@kvorig=\KV@errx%
  \def\beamer@footarg{}%
  \def\KV@errx##1{\edef\beamer@footarg{\@tempa}}%
  \setkeys{beamerfootnote}{#1}%
  \let\KV@errx=\beamer@kvorig%
  \ifx\beamer@footarg\@empty%
    \def\beamer@next{\stepcounter\beamer@mpfn
      \protected@xdef\@thefnmark{\beamer@thempfn}%
      \@footnotemark\beamer@footnotetext#2}%
  \else%
    \def\beamer@next{%
      \begingroup
        \csname c@\beamer@mpfn\endcsname\beamer@footarg\relax
        \unrestored@protected@xdef\@thefnmark{\beamer@thempfn}%
      \endgroup
      \@footnotemark\beamer@footnotetext#2}%
  \fi%
  \beamer@next}

\mode
<article>
{
  \define@key{beamerfootnote}{frame}[true]{}

\let\beamer@origfootnote=\footnote
  \renewcommand\footnote[1][]{%
    \let\beamer@kvorig=\KV@errx%
    \def\beamer@footarg{}%
    \def\KV@errx##1{\edef\beamer@footarg{\@tempa}}%
    \setkeys{beamerfootnote}{#1}%
    \let\KV@errx=\beamer@kvorig%
    \ifx\beamer@footarg\@empty%
      \edef\beamer@next{\noexpand\beamer@origfootnote}%
    \else%
      \edef\beamer@next{\noexpand\beamer@origfootnote[\beamer@footarg]}%
    \fi%
    \beamer@next}
}


\mode
<all>

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