% \iffalse meta-comment
%
% TUDa-CI -- Corporate Design for TU Darmstadt
% ----------------------------------------------------------------------------
%
%  Copyright (C) 2018--2026 by Marei Peischl <marei@peitex.de>
%
% ============================================================================
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3c
% 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 1.3c or later is part of all distributions of LaTeX
% version 2008/05/04 or later.
%
% This work has the LPPL maintenance status `maintained'.
%
% The Current Maintainer of this work is
%   Marei Peischl <tuda-ci@peitex.de>
%
% The development repository can be found at
% https://github.com/tudace/tuda_latex_templates
% Please use the issue tracker for feedback!
%
% ============================================================================
%
% \fi
%
% \iffalse% no documentation on this
% \iffalse^^A Preparation for real docstrip documentation
%<*driver>
\ProvidesFile{beamerthemeTUDa2008.dtx}[2026-08-19 v4.08 Compatibility mode for the design=2008 of tudabeamer]
\typeout{***********************************************************}
\typeout{No documentation included in this file! Please see tuda-ci.pdf for more information and DEMO-TUDaBeamer.tex/.pdf for an example of use of the current theme as well as DEMO-TUDaBeamer2008-de for the compatibility example.}
\typeout{***********************************************************}
\stop
%</driver>
%<*driver>^^A Preparation for real docstrip documentation
\providecommand*{\TUDaDocDTXfiles}{beamerthemeTUDa2008.dtx}
\input{tuda-ci.dtx}
%</driver>
% \fi
%<*outer>
%<@@=ptxcd>
% \fi
%    \begin{macrocode}
\ptxcd_makeheadrule[color=identbarcolor,width=\paperwidth-2\g_@@_beamer_sep_dim]{ptxcd_beamer_headrule}
\ptxcd_makefootrule[width=\paperwidth-2\g_@@_beamer_sep_dim]{ptxcd_beamer_rule}
%    \end{macrocode}
%    \begin{macrocode}
\defbeamertemplate*{sidebar~left}{TUDa}{}
\defbeamertemplate*{sidebar~right}{TUDa}{}
\bool_if_exist:NF \l_ptxcd_tmpa_bool {\bool_new:N \l_ptxcd_tmpa_bool}
\defbeamertemplate*{footline}{TUDa}
{
	\begin{beamercolorbox}[leftskip=\g_@@_beamer_sep_dim,rightskip=\g_@@_beamer_sep_dim,
		ht=\csname c_ptxcd_smallrule_dim\endcsname,dp=1mm]{footline}
	\ptxcd_beamer_rule
	\end{beamercolorbox}
	\begin{beamercolorbox}[
	leftskip=\g_@@_beamer_sep_dim,
	rightskip=\g_@@_beamer_sep_dim, ht=2.75mm,dp=2.75mm]{footline}
	\usebeamerfont{author~ in~ head/foot}%
	\bool_set_false:N \l_ptxcd_tmpa_bool
	\clist_map_variable:nNn {date, department, institute, author} \l_tmpa_tl {
		\tl_if_empty:cF {beamer@short\l_tmpa_tl} {
			\bool_if:NTF \l_ptxcd_tmpa_bool {~|~}
			{\bool_set_true:N \l_ptxcd_tmpa_bool}
			\use:c {insertshort\l_tmpa_tl}
		}
	}
	\bool_if:NT \l_ptxcd_tmpa_bool {~|~}
	\insertframenumber
	\hfill\raisebox{\dimexpr-.5\height+\dp\strutbox\relax}{\insertlogo}
	\end{beamercolorbox}
}

\defbeamertemplate{headline}{TUDa.logo} {%
	\begin{beamercolorbox}[
		leftskip=\g_@@_beamer_sep_dim,rightskip=\g_@@_beamer_sep_dim,
		ht=.75\g_@@_beamer_sep_dim,dp=\box_dp:N \ptxcd_beamer_headrule_box]{headline}
		\ptxcd_beamer_headrule
	\end{beamercolorbox}
}
\box_new:N \l_@@_frametitle_box
\defbeamertemplate{frametitle}{TUDa.logo}{%
\nointerlineskip%
\begin{beamercolorbox}[
  sep=\g_@@_beamer_logosep_dim,
  wd=\dim_eval:n {\_@@_beamer_linewidth:+2\l_@@_beamer_extraindent_dim},
  rightskip=-\g_@@_beamer_logosep_dim,
  leftskip=\dim_eval:n {-\g_@@_beamer_logosep_dim+\l_@@_beamer_extraindent_dim},
	]{frametitle}
	\hbox_set:Nn \l_@@_frametitle_box {
	\parbox[t]
		{\dim_eval:n {\linewidth- \box_wd:N \g_@@_logo_box-1em}}{%
		\usebeamerfont{frametitle}\strut\insertframetitle
		\ifx\insertframesubtitle\@empty
		\else
		\par
		\usebeamercolor[fg]{framesubtitle}
		\usebeamerfont{framesubtitle}
		\insertframesubtitle
		\fi
	}}
	\leavevmode
	\bool_if:NTF \g_ptxcd_centerframetitle_bool
		{\raisebox{\dimexpr-.5\height+.5\depth}}
		{\use:n}
			{\box_use:N \l_@@_frametitle_box}
	\hfill%
	\bool_if:NTF \g_ptxcd_centerframetitle_bool
		{\raisebox{\dimexpr-.5\height+.5\depth}}
		{\raisebox{\dimexpr-\height+\ht\strutbox}}
		{\box_use:N \g_@@_logo_box}
\end{beamercolorbox}%
\bool_if:NT \g_ptxcd_headsepline_bool {
	\nointerlineskip
	\begin{beamercolorbox}[
		wd=\dim_eval:n {\textwidth+2\l_@@_beamer_extraindent_dim},
		ht=\c_ptxcd_smallrule_dim,
		dp=0pt
		]{smallrule}
	\end{beamercolorbox}
}
}
\defbeamertemplate*{headline}{TUDa.nologo}
{%
	\vspace{.75\g_@@_beamer_sep_dim}
	\begin{beamercolorbox}[
		leftskip=\g_@@_beamer_sep_dim,rightskip=\g_@@_beamer_sep_dim]{headline}
		\ptxcd_beamer_headrule
	\end{beamercolorbox}
	}
\defbeamertemplate*{headline}{TUDa.simple}
{
	\ifbeamercolorempty[bg]{background~canvas}{
		\vspace{\dimexpr.5\c_ptxcd_logoheight_dim-\c_ptxcd_rulesep_dim}
		\skip_horizontal:n {\beamer@leftmargin}
		\color{identbarcolor}
		\vrule width\dimexpr\textwidth-\beamer@leftmargin-\beamer@rightmargin height\c_ptxcd_rulesep_dim
	}{
		\vspace{\dimexpr.5\c_ptxcd_logoheight_dim}
	}
}
\defbeamertemplate*{frametitle}{TUDa.nologo}{%
	\nointerlineskip%
\begin{beamercolorbox}[
  sep=\g_@@_beamer_logosep_dim,
  wd=\dim_eval:n {\_@@_beamer_linewidth:+2\l_@@_beamer_extraindent_dim},
  leftskip=\dim_eval:n {-\g_@@_beamer_logosep_dim+\l_@@_beamer_extraindent_dim},
	]{frametitle}
	\hbox_set:Nn \l_@@_frametitle_box {
	\parbox[t]
	{\dimexpr\linewidth- \box_wd:N \g_@@_logo_box-1em\relax\relax}{%
		\usebeamerfont{frametitle}\strut\insertframetitle
		\ifx\insertframesubtitle\@empty
		\else
		\par
		\usebeamercolor[fg]{framesubtitle}
		\usebeamerfont{framesubtitle}
		\insertframesubtitle
		\fi
}}
\leavevmode
\bool_if:NTF \g_ptxcd_centerframetitle_bool
{\raisebox{\dimexpr-.5\height+.5\depth}}
{\use:n}
{\box_use:N \l_@@_frametitle_box}
%    \end{macrocode}
%	Rule for voffset similar to logo
%    \begin{macrocode}
	\rule[\dim_eval:n {
		\bool_if:NTF \g_ptxcd_centerframetitle_bool
			{-.5\box_ht:N \g_@@_logo_box+.5\box_dp:N \g_@@_logo_box}
			{-\box_ht:N \g_@@_logo_box+\ht\strutbox}
	}]{0pt}{\dim_eval:n {
		\box_ht:N \g_@@_logo_box+\box_dp:N \g_@@_logo_box
	}}
\end{beamercolorbox}
\bool_if:NT \g_ptxcd_headsepline_bool {
	\nointerlineskip
	\begin{beamercolorbox}[
		wd=\dimexpr\linewidth+2\l_@@_beamer_extraindent_dim \relax,
		ht=\c_ptxcd_smallrule_dim,
		dp=0pt
		]{smallrule}
	\end{beamercolorbox}
}
}
\cs_new:Nn \ptxcd_setup_frame: {
	\bool_if:NTF \g_ptxcd_headlinelogo_bool {
		\setbeamertemplate{frametitle}[TUDa.logo]
		\setbeamertemplate{headline}[TUDa.logo]
	}{
		\setbeamertemplate{frametitle}[TUDa.nologo]
		\setbeamertemplate{headline}[TUDa.nologo]
	}
}
\ptxcd_setup_frame:
%    \end{macrocode}
%
%
%    \begin{macrocode}
\mode
<all>
%    \end{macrocode}
% \iffalse
%</outer>
% \fi
% \Finale
% \fi^^A No documentation on this
\endinput
