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I've got quite a few subsections in one section and they stretch the right half of the header. Hoping to split them up into 2+ columns.

Minimal example: example with stretched header and one column

Some research indicates that this will involve \setbeamertemplate{headline} (source) and probably modifying \insertsubsectionnavigation, but I don't know enough LaTeX to do this. I'd appreciate a hand!

Code:

\documentclass{beamer}
\mode<presentation>
{
\usetheme{Warsaw}
\usecolortheme{default}
}

\title{Sample title}
\author{Sample author}

\begin{document}

\section{A}
\subsection{i}
\begin{frame}
\end{frame}
\subsection{ii}
\begin{frame}
\end{frame}
\subsection{iii}
\begin{frame}
\end{frame}
\subsection{iv}
\begin{frame}
\end{frame}
\subsection{v}
\begin{frame}
\end{frame}
\subsection{vi}
\begin{frame}
\end{frame}
\subsection{vii}
\begin{frame}
\end{frame}
\subsection{viii}
\begin{frame}
\end{frame}

\end{document}
  • 5
    If you are deadset on using the Warsaw theme with a default \useoutertheme{default}, the answer to your question appears to be here. – cptnjtk Feb 1 '16 at 19:16
  • Thanks, didn't find that before. Unfortunately it doesn't vertically centre (there's more space at the top than the bottom) in either the demo or my real case where it's more pronounced. Wound up using the Hannover theme instead. – David Lord Feb 2 '16 at 4:34
  • Good information! I did not notice that looking though it. I generally stick with a different theme as well. – cptnjtk Feb 3 '16 at 12:41

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