need section commands *inside* frame environment

[Stefan Klinger-5]

Hello.

I am working on migrating an existing lecture to the Beamer class, and I came up
with the following Problem: I need the [[sub]sub]section commands to work from
*inside* the frame environment.

This is due to the structure of the lecture. There are quite some very short
subsubsections in there, which do not justify a frame on their own.
It is quite common that multiple subsubsections start on the same frame, which
is why I need the headlines appear in the midst of the frame. See example below.

Furthermore these sections are referenced from later parts of the lecture, which
is why I want to have the numbers visible.

I know that my wishes are probably not in line with the best-practice
guidelines, but I don't have a choice here.

Here is an example: First the LaTeX code, then the desired output in ASCII-Arts.

    \begin{frame}
      \section{One}
      Intro to section One.
    \end{frame}
   
    \begin{frame}
      \subsection{One-one}
      Very short intro to subsection One-one.
     
      \subsubsection{One-one-one}
      Very short subsubsection One-one-one.
   
      \subsubsection{One-one-two}
      Very short subsubsection One-one-two.
    \end{frame}
   
schould render to something like this:

    |========================================|
    |1 - One                                 |    <--infoline
    |----------------------------------------|
    |                                        |
    |                                        |
    |                                        |
    |  >>> 1 One <<<                         |    <--section header
    |                                        |
    |  Intro to section One.                 |
    |                                        |
    |                                        |
    |                                        |
    |                                        |
    |========================================|

   
    |========================================|
    |1 - One                    One-one - 1.1|
    |----------------------------------------|
    |                                        |
    |  1.1 One-one                           |    <--subsection header
    |    Very short intro to subsection      |
    |    One-one.                            |
    |                                        |
    |  1.1.1 One-one-one                     |    <--subsubsection header
    |  Very short subsubsection One-one-one. |
    |                                        |
    |  1.1.2 One-one-two                     |
    |  Very short subsubsection One-one-two. |
    |                                        |
    |========================================|


I came up with a workaround, which is not very satisying: Defining

    \newcommand{\subsubsectionput}{%
      \par%
      \textbf{\thesection.\thesubsection.\thesubsubsection\ \insertsubsubsectionhead}%
      \par%
    }
   
allows me to use ‘\subsubsectionput’ on the slide, at the point where the
headline should appear. This, however, is error prone, and does *not* work if
multiple subsubsections start on the same frame.


Any help would be appreciated here!

Kind regards
Stefan


--
Stefan Klinger                                      o/klettern
                                                    /\/  bis zum
send plaintext only - max size 32kB - no spam         \   Abfallen
http://stefan-klinger.de

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