% \iffalse meta-comment
% 
% This is file `caption-beamer.dtx'.
% 
% Copyright (C) 2007-2023 Axel Sommerfeldt (axel.sommerfeldt@f-m.fm)
% 
% --------------------------------------------------------------------------
% 
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3
% of this license or (at your option) any later version.
% The latest version of this license is in
%   http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of LaTeX
% version 2003/12/01 or later.
% 
% This work has the LPPL maintenance status "maintained".
% 
% This Current Maintainer of this work is Axel Sommerfeldt.
% 
% This work consists of the files
%   caption.ins, caption.dtx, caption-light.dtx, caption2.dtx, caption3.dtx,
%   caption-ams-smf.dtx, caption-beamer.dtx, caption-elsarticle.dtx,
%   caption-koma.dtx, caption-memoir.dtx, caption-ntg.dtx,
%   caption-thesis.dtx, bicaption.dtx, ltcaption.dtx, subcaption.dtx,
% the derived files
%   caption.sty, caption-light.sty, caption2.sty, caption3.sty,
%   caption-ams-smf.sto, caption-beamer.sto, caption-elsarticle.sto,
%   caption-koma.sto, caption-memoir.sto, caption-ntg.sto,
%   caption-thesis.sto, bicaption.sty, ltcaption.sty, subcaption.sty.
% 
% \fi
%
% \CheckSum{113}
%
% \iffalse
%<*driver>
\NeedsTeXFormat{LaTeX2e}[1994/12/01]
\ProvidesFile{caption-beamer.drv}[2023/07/10 v2.0 Implementation of the caption-beamer package]
%\errorcontextlines=3
%
\documentclass{captiondoc}
\hypersetup{pdfkeywords={LaTeX, package, caption-beamer}}
%
\begin{document}
  \DocInput{caption-beamer.dtx}
\end{document}
%</driver>
% \fi
%
% \GetFileInfo{caption-beamer.drv}
% \let\docdate\filedate
% \let\docversion\fileversion
% \GetFileInfo{caption-beamer.sto}
%
% \title{\texorpdfstring
%   {The adaption of the \pkg{caption} package to the \cls{beamer} document class\thanks{%^^A
%    This adaption has version number \docversion.}}%^^A
%   {The adaption of the caption package to the beamer document class}}
% \author{Axel Sommerfeldt\\
%         \url{https://gitlab.com/axelsommerfeldt/caption}}
% \date{\docdate}
% \maketitle
%
% \begin{abstract}
% This package adapts the \pkg{caption} package to the \cls{beamer} document class.
% \end{abstract}
% 
% \section*{User manual}
%
% This document is describing the code implementation only. The user
% documentation can be found in
% \nopagebreak\begin{quote}
% \begin{tabular}{ll}
% \href{http://mirror.ctan.org/macros/latex/contrib/caption/caption.pdf}%
%      {\texttt{caption.pdf}} & The caption package documentation \\
% \end{tabular}
% \end{quote}
%
% \StopEventually{}
% \iffalse
% \clearpage
% \tableofcontents
% \fi
% 
% \iffalse
% --------------------------------------------------------------------------- %
% \fi
%
% \DoNotIndex{\\,\_,\ ,\@@par}
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% \DoNotIndex{\@car,\@cdr,\@classoptionslist,\@cons,\@currext,\@currname}
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% \DoNotIndex{\llap,\long,\m@ne,\margin,\mdseries,\message}
% \DoNotIndex{\newcommand,\newdimen,\newlength,\newline,\newif,\newsavebox}
% \DoNotIndex{\next,\nobreak,\nobreakspace,\noexpand,\noindent,\numberline}
% \DoNotIndex{\normalcolor,\normalfont,\normalsize,\or,\par,\parbox,\parfillskip}
% \DoNotIndex{\parindent,\parskip,\prevdepth,\protect,\protected@edef,\protected@write}
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% \iffalse
% --------------------------------------------------------------------------- %
% \fi
%
% \setlength{\parskip}{0pt plus 1pt}
% \newcommand*\Note[2][Note]{\par{\small\emph{#1:} #2}\par}
%
% \changes{v1.1}{2007/03/10}{\cls{beamer} class support added}
% \changes{v1.3}{2011/08/06}{\cls{beamer} class support revised}
% \changes{v1.5}{2013/04/27}{The \cls{beamer} template \texttt{caption label separator} will be used now}
% \changes{v1.7}{2016/05/22}{Re-definition of label format \texttt{simpleMagyar} added to \cls{beamer} class support}
% \changes{v1.7}{2018/04/15}{Re-definition of label format \texttt{simpleMagyar} revised}
% \changes{v1.7}{2018/05/01}{Definition of \cls{beamer} default label font revised}
% \changes{v2.0}{2020/07/27}{\cls{beamer} class support adapted to \pkg{caption3}~\version{2.0}}
%
% \iffalse
% --------------------------------------------------------------------------- %
% \fi
%
% \clearpage
%
% \iffalse
%<*package>
% \fi
%
% \section{Identification}
%
%    \begin{macrocode}
\NeedsTeXFormat{LaTeX2e}[1994/12/01]
\ProvidesFile{caption-beamer.sto}[2022/01/06 v2.0c Adaption of the caption package to the beamer document classes (AR)]
%    \end{macrocode}
%
% \section{Helper macros}
%
% \begin{macro}{\caption@ifbeamertemplate}
% |\caption@ifbeamertemplate|\marg{caption template name}\marg{yes-code}\marg{no-code}\\
% tests if the given beamer caption template was selected by the user (or not).
%    \begin{macrocode}
\newcommand*\caption@ifbeamertemplate[1]{%
  \begingroup
    \let\beamer@@tmpl@caption@ORI\beamer@@tmpl@caption
    \@nameuse{beamer@@tmpop@caption@#1}%
    \ifx\beamer@@tmpl@caption@ORI\beamer@@tmpl@caption
      \endgroup\expandafter\@firstoftwo
    \else
      \endgroup\expandafter\@secondoftwo
    \fi}
%    \end{macrocode}
% \end{macro}
%
% \section{Single-line-check}
%
% The `default' single-line-check maps to the beamer template setting `caption name own line'.
%    \begin{macrocode}
\DeclareCaptionSinglelinecheck{default}{%
  \caption@ifbeamertemplate{caption name own line}%
    \@secondoftwo % \@secondoftwo -> singlelinecheck=off
    \@firstoftwo} % \@firstoftwo  -> singlelinecheck=on
%    \end{macrocode}
%
% \begin{macro}{\footnote}
% \changes{v1.12b}{2020/07/20}{Special adaption to \cls{beamer} added}
% The patch of \cs{footnote} provided by the \pkg{caption3} package assumes
% that the optional arguments of \cs{footnote} and \cs{footnotemark} match.
% Since this is not the case in \cls{beamer} based documents,
% and since \cls{beamer} extents the syntax of \cs{footnote} in a special way,
% we need a special patch here.\par
% \emph{Note:} For this patch we assume that \cs{footnote} will always end with the usage of
% \cs{beamer@footnotetext}. (Unfortunately \cs{footnote} is defined too monolithic
% in \cls{beamer} to offer a less dirty patch.)
%    \begin{macrocode}
\providecommand*\AtCaptionSingleLineCheck{\g@addto@macro\caption@prepareslc} % for caption v3.5
\let\caption@footnote@ORI\footnote
\AtCaptionSingleLineCheck{%
  \def\footnote{%
    \begingroup
    \let\stepcounter\caption@l@stepcounter
    \renewcommand<>\beamer@framefootnotetext[1]{%
      \endgroup}%
    \let\@footnotetext\beamer@framefootnotetext
    \caption@footnote@ORI}}
%    \end{macrocode}
% \end{macro}
%
% \section{Label formats}
%
% The `default' caption label format maps to either `simple' (if the `numbered' beamer template is set) or `unnumbered' (otherwise).
%    \begin{macrocode}
\DeclareCaptionLabelFormat{default}{%
  \caption@ifbeamertemplate{numbered}%
    \caption@labelformat@simple
    \caption@labelformat@unnumbered
  {#1}{#2}}
%    \end{macrocode}
%
% The \pkg{magyar} babel package redefines the current label format to a one called |simple|\-|Magyar|,
% defined within |\@@magyar@caption|\-|fix| which will be executed |\At|\-|Begin|\-|Document|:
% \begin{quote}
%   |\DeclareCaptionLabelFormat{simpleMagyar}%|\\
%   |  {#2.\bothIfSecond{\nobreakspace}{#1}}|
% \end{quote}
% When used with beamer, we need to patch it so no numbering will be used if the `numbered` template isn't selected.
%    \begin{macrocode}
\DeclareCaptionLabelFormat{simpleMagyar}{%
  \caption@ifbeamertemplate{numbered}%
    {#2.\bothIfSecond{\nobreakspace}{#1}}%
    {\caption@labelformat@unnumbered{#1}{#2}}}
%    \end{macrocode}
% \begin{macro}{\@@magyar@captionfix}
% Prevent \pkg{magyar} from defining this caption label format on its own.
%    \begin{macrocode}
\let\@@magyar@captionfix\relax
\AtBeginDocument{\let\@@magyar@captionfix\relax}
%    \end{macrocode}
% \end{macro}
%
% \section{Label separator}
%
% The `default' caption label separator maps to the beamer templates
% `caption name own line' and `caption label separator'.
%
% If the beamer template `caption name own line' is set, this code equals to
% \begin{quote}
%   |\DeclareCaptionLabelSeparator*{default}{\\}|
% \end{quote}
% otherwise this code equals to
% \begin{quote}
%   |\DeclareCaptionLabelSeparator{default}%|\\
%   |  {\usebeamertemplate{caption label separator}}|
% \end{quote}
%    \begin{macrocode}
\DeclareCaptionLabelSeparator**{default}%
  {\caption@ifbeamertemplate{caption name own line}}%
  {\caption@ifbeamertemplate{caption name own line}%
     {\\}%
     {\usebeamertemplate{caption label separator}}}
%    \end{macrocode}
%
% \section{Fonts}
%
% The `default' caption font maps to the beamer settings for `caption' or `caption name'.
%    \begin{macrocode}
\DeclareCaptionFont{beamer@font}{%
  \usebeamerfont*{caption}%
  \usebeamercolor[fg]{caption}}
\SetCaptionDefault{font}{beamer@font}
%    \end{macrocode}
%    \begin{macrocode}
\DeclareCaptionFont{beamer@labelfont}{%
  \setbeamercolor*{caption}{}% avoid setting "caption" color additionally
  \usebeamercolor[fg]{caption name}%
  \setbeamerfont*{caption}{}% avoid setting "caption" font additionally
  \usebeamerfont{caption name}}
\SetCaptionDefault{labelfont}{beamer@labelfont}
%    \end{macrocode}
%    \begin{macrocode}
\DeclareCaptionFont{beamer@textfont}{}
\SetCaptionDefault{textfont}{beamer@textfont}
%    \end{macrocode}
%
% \section{Justification}
%
% The `default' caption justification is `raggedright'.
%    \begin{macrocode}
\SetCaptionDefault{justification}{raggedright}
%    \end{macrocode}
%
% \section{Lists}
%
% Since the beamer class do not offer a `List of figures' we switch it off.
%    \begin{macrocode}
\captionsetup{list=off}
%    \end{macrocode}
%
% \section{Adaption of figure and table environment}
%
%    \begin{macrocode}
\AfterCaptionPackage{%
%    \end{macrocode}
%
% \begin{macro}{\figure}
% \changes{v1.1f}{2007/12/17}{This re-definition for \cls{beamer} document class added}
% \changes{v1.8d}{2019/09/01}{This re-definition for \cls{beamer} document class revised}
%  We re-define |figure| so our type-specific options will be used etc.
%    \begin{macrocode}
  \expandafter\let\expandafter\caption@beamer@figure
    \csname\string\figure\endcsname
  \@namedef{\string\figure}[#1]{%
    \caption@beamer@figure[#1]% use original beamer code first
    \caption@settype{figure}} % set "type=figure" afterwards
%    \end{macrocode}
% \end{macro}
%
% \begin{macro}{\table}
% \changes{v1.1f}{2007/12/17}{This re-definition for \cls{beamer} document class added}
% \changes{v1.8d}{2019/09/01}{This re-definition for \cls{beamer} document class revised}
% \changes{v1.8e}{2019/10/18}{Bug fixed which was introduced in previous revision}
%  We re-define |table| as well so our type-specific options will be used etc.
%    \begin{macrocode}
  \expandafter\let\expandafter\caption@beamer@table
    \csname\string\table\endcsname
  \@namedef{\string\table}[#1]{%
    \caption@beamer@table[#1]% use original beamer code first
    \caption@settype{table}} % set "type=table" afterwards
%    \end{macrocode}
% \end{macro}
%
% \begin{macro}{\caption@nobreak}
% \changes{v2.0c}{2022/01/06}{This re-definition for \cls{beamer} document class added}
%  We re-define |\caption@nobreak| to activate the usage of |\nobreak| inside |\caption|.
%  |\caption@nobreak| is only available since \version{3.6} of the \pkg{caption}
%  package, for this reason we use |\def| instead of |\renewcommand|.
%    \begin{macrocode}
  \def\caption@nobreak{\nobreak}
%    \end{macrocode}
% \end{macro}
%
%    \begin{macrocode}
}
%    \end{macrocode}
%
% \iffalse
%</package>
% \fi
%
% \iffalse
% --------------------------------------------------------------------------- %
% \fi
%
% \clearpage
% \Finale
%
\endinput