beamerouterthemeusyd-split.sty

\mode<presentation>

\beamer@compresstrue

% This is the padding between text elements and the edges of the colorboxes
\newlength{\theme@hpadding}
\setlength{\theme@hpadding}{1.5em}

% This is the whitespace on the top and bottom of the slides.
\newlength{\theme@vpadding}
\setlength{\theme@vpadding}{0.3em}

\setbeamercolor{section in head/foot}{parent=palette quaternary}
\setbeamercolor{subsection in head/foot}{parent=palette primary}

\usesectionheadtemplate
  {\hfill\insertsectionhead}
  {\hfill\color{fg!50!bg}\insertsectionhead}

\defbeamertemplate*{frametitle}{usyd split}[1][]
{
  \vskip1ex
  \begin{beamercolorbox}[wd=\textwidth, #1]{frametitle}
    \usebeamerfont{frametitle}\insertframetitle\par
  \end{beamercolorbox}
}

\defbeamertemplate*{headline}{usyd split}
{
  \vspace{\theme@vpadding}
  \ifnum\thepage=1\relax
    % For beamer to not raise an error it needs to know the height of this element for all slides.
    % This creates an placeholder for the title-page to satisfy positioning on all subsequent
    % slides.
    \begin{beamercolorbox}[wd=\paperwidth, ht=1.2em,dp=1.5em]{placeholder}
    \end{beamercolorbox}
  \else
    \leavevmode
    \@tempdimb=2.4375ex
    \ifnum\beamer@subsectionmax<\beamer@sectionmax
      \multiply\@tempdimb by\beamer@sectionmax
    \else
      \multiply\@tempdimb by\beamer@subsectionmax
    \fi
    % Limit minimum height to allow room for logo.
    \ifdim\@tempdimb<7.3125ex
      \@tempdimb=7.3125ex
    \fi
    \ifdim\@tempdimb>0pt
      \advance\@tempdimb by 1.825ex
      \begin{beamercolorbox}[center,wd=0.25\paperwidth,ht=\@tempdimb]{logo in head/foot}
        \vbox to\@tempdimb{\vfil\insertlogo\vfil}
      \end{beamercolorbox}
      \begin{beamercolorbox}[wd=.375\paperwidth,ht=\@tempdimb]{section in head/foot}
        \vbox to\@tempdimb{\vfil\insertsectionnavigation{.375\paperwidth}\vfil}
      \end{beamercolorbox}
      \begin{beamercolorbox}[wd=.375\paperwidth,ht=\@tempdimb]{subsection in head/foot}
        \vbox to\@tempdimb{\vfil\insertsubsectionnavigation{.375\paperwidth}\vfil}
      \end{beamercolorbox}
    \fi
  \fi
}

\defbeamertemplate*{footline}{usyd split}
{
  \ifnum\thepage=1\relax
    % Empty colourbox on titlepage to retain spacing on subsequent pages
    \begin{beamercolorbox}[wd=\paperwidth,ht=1em,dp=0.5em]{placeholder}
    \end{beamercolorbox}
  \else
    \leavevmode
    \begin{beamercolorbox}[center,wd=0.4\paperwidth,ht=1em,dp=0.5em]{author in head/foot}
      \insertshortauthor
    \end{beamercolorbox}
    \begin{beamercolorbox}[wd=0.6\paperwidth,ht=1em,dp=0.5em]{title in head/foot}
      \hspace{\theme@hpadding}\insertshorttitle\hfill\insertdate\hspace{\theme@hpadding}
    \end{beamercolorbox}
  \fi
  % Leave gap at bottom of slide the same size as at top
  \vspace{\theme@vpadding}
}

\mode<all>