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latexbeamer

Vim beamer: dynamic frame title

I am trying to create a new command in Latex Beamer to automatically add the frame title and subtitle with respected to section and subsection. In general, my command will look like:

\newcommand {\myframe}[1] {
    \begin{frame}
    if in a section {
        \frametitle{\secname}
    }
    if in a subsection {
        \framesubtitle{\subsecname}
    }
    #1
    \end{frame}
}

How can I detect whether the frame is in a section or subsection?

Solution

  • You can add conditionals to the \section and \subsection command, which you can use to test within your \myframe macro:

    enter image description here

    \documentclass{beamer}

\let\Tiny\tiny% http://tex.stackexchange.com/a/94159/5764

\newif\ifinsection
\newif\ifinsubsection

\let\oldsection\section
\renewcommand{\section}{%
  \global\insectiontrue% In section
  \global\insubsectionfalse% Not in subsection
  \oldsection}
\let\oldsubsection\subsection
\renewcommand{\subsection}{%
  %\global\insectionfalse% No in section
  \global\insubsectiontrue% In subsection
  \oldsubsection}

\newcommand {\myframe}[1] {%
  \begin{frame}
  \ifinsection\frametitle{\secname}\fi
  \ifinsubsection\framesubtitle{\subsecname}\fi
  #1
  \end{frame}
}

\begin{document}

\begin{frame}
  \frametitle{A frame}
\end{frame}

\section{A section}

\myframe{Some content}

\subsection{A subsection}

\myframe{Some content}

\end{document}