mirror of https://github.com/matze/mtheme.git
269 lines
8.0 KiB
TeX
269 lines
8.0 KiB
TeX
% \iffalse meta-comment -------------------------------------------------------
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% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of
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% contributors can be found at
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%
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% https://github.com/matze/mtheme/graphs/contributors
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%
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% and the original template was based on the HSRM theme by Benjamin Weiss.
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%
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% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
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% International License (https://creativecommons.org/licenses/by-sa/4.0/).
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% ------------------------------------------------------------------------- \fi
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% \iffalse
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%<driver> \ProvidesFile{beamerouterthememetropolis.dtx}
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%<*package>
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\NeedsTeXFormat{LaTeX2e}
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\ProvidesPackage{beamerouterthememetropolis}[2015/12/04 Metropolis outer theme]
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%</package>
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%<driver> \documentclass{ltxdoc}
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%<driver> \usepackage{beamerouterthememetropolis}
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%<driver> \begin{document}
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%<driver> \DocInput{beamerouterthememetropolis.dtx}
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%<driver> \end{document}
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% \fi
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% \CheckSum{0}
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% \StopEventually{}
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% \iffalse
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%<*package>
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% ------------------------------------------------------------------------- \fi
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%
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% \subsection{\textsc{metropolis} outer theme}
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%
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% A |beamer| outer theme dictates the style of the frame elements traditionally
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% set outside the body of each slide: the head, footline, and frame title.
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%
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% Load required packages.
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% \begin{macrocode}
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\RequirePackage{etoolbox}
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\RequirePackage{calc}
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\RequirePackage{pgfopts}
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% \end{macrocode}
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%
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%
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%
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% \subsubsection{Options}
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%
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% \begin{macro}{numbering}
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% This option controls the page numbering.
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% \begin{macrocode}
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\pgfkeys{
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/metropolis/outer/numbering/.cd,
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.is choice,
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none/.code=\setbeamertemplate{frame numbering}[none],
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counter/.code=\setbeamertemplate{frame numbering}[counter],
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fraction/.code=\setbeamertemplate{frame numbering}[fraction],
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}
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% \end{macrocode}
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% \end{macro}
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%
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% \begin{macro}{progressbar}
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% This option controls the progressbar.
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% \begin{macrocode}
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\pgfkeys{
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/metropolis/outer/progressbar/.cd,
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.is choice,
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none/.code={%
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\setbeamertemplate{headline}[plain]
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\setbeamertemplate{frametitle}[plain]
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\setbeamertemplate{footline}[plain]
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},
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head/.code={\pgfkeys{/metropolis/outer/progressbar=none}
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\addtobeamertemplate{headline}{}{%
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\usebeamertemplate*{progress bar in head/foot}
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}
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},
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frametitle/.code={\pgfkeys{/metropolis/outer/progressbar=none}
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\addtobeamertemplate{frametitle}{}{%
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\usebeamertemplate*{progress bar in head/foot}
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}
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},
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foot/.code={\pgfkeys{/metropolis/outer/progressbar=none}
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\addtobeamertemplate{footline}{}{%
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\usebeamertemplate*{progress bar in head/foot}%
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}
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},
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}
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% \end{macrocode}
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% \end{macro}
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%
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% \begin{macro}{frametitleformat}
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% Control the titleformat of the frame title
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% \begin{macrocode}
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\pgfkeys{
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/metropolis/outer/titleformat frame/.cd,
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.is choice,
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regular/.code={%
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\let\@metropolis@frametitleformat\@empty%
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\setbeamerfont{frametitle}{shape=\normalfont}%
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\renewcommand{\@metropolis@frametitlestrut}{%
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\vphantom{ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz}%
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}
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},
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smallcaps/.code={%
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\let\@metropolis@frametitleformat\@empty%
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\setbeamerfont{frametitle}{shape=\scshape}%
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\renewcommand{\@metropolis@frametitlestrut}{%
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\vphantom{ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz}%
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}
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},
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allsmallcaps/.code={%
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\let\@metropolis@frametitleformat\MakeLowercase%
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\setbeamerfont{frametitle}{shape=\scshape}%
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\renewcommand{\@metropolis@frametitlestrut}{%
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\vphantom{abcdefghijklmnopqrstuvwxyz}%
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}
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\PackageWarning{beamerthememetropolis}{%
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Be aware that titleformat frame=allsmallcaps can lead to problems%
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}
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},
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allcaps/.code={%
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\let\@metropolis@frametitleformat\MakeUppercase%
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\setbeamerfont{frametitle}{shape=\normalfont}
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\renewcommand{\@metropolis@frametitlestrut}{%
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\vphantom{ABCDEFGHIJKLMNOPQRSTUVWXYZ}%
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}
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\PackageWarning{beamerthememetropolis}{%
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Be aware that titleformat frame=allcaps can lead to problems%
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}
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},
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}
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% \end{macrocode}
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% \end{macro}
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%
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% \begin{macro}{\@metropolis@outer@setdefaults}
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% Set default values for outer theme options.
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% \begin{macrocode}
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\newcommand{\@metropolis@outer@setdefaults}{
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\pgfkeys{/metropolis/outer/.cd,
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numbering=counter,
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progressbar=none,
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titleformat frame=regular,
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}
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}
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% \end{macrocode}%
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% \end{macro}
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%
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%
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%
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% \subsubsection{Head and footline}
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%
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% All good |beamer| presentations should already remove the navigation symbols,
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% but \textsc{metropolis} removes them automatically (just in case).
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%
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% \begin{macrocode}
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\setbeamertemplate{navigation symbols}{}
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% \end{macrocode}
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%
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% Templates for the frame number. Can be omitted, shown or displayed as a
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% fraction of the total frames.
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%
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% \begin{macrocode}
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\defbeamertemplate{frame numbering}{none}{}
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\defbeamertemplate{frame numbering}{counter}{\insertframenumber}
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\defbeamertemplate{frame numbering}{fraction}{
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\insertframenumber/\inserttotalframenumber
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}
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% \end{macrocode}
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%
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% \begin{macrocode}
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\defbeamertemplate{headline}{plain}{}
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\defbeamertemplate{footline}{plain}{%
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\begin{beamercolorbox}[wd=\textwidth, sep=3ex]{footline}%
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\hfill%
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\usebeamerfont{page number in head/foot}%
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\usebeamertemplate*{frame numbering}
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\end{beamercolorbox}%
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}
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% \end{macrocode}
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%
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%
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%
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% \subsubsection{Frametitle}
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%
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% \begin{macro}{\@metropolis@frametitleformat}
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% Define a hook to change the case format of the frame title.
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% \begin{macrocode}
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\def\@metropolis@frametitleformat#1{#1}
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% \end{macrocode}
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% \end{macro}
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%
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% To make the |\MakeLowercase| and |\MakeUppercase| macros work in the
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% frame title we have to patch |\beamer@@frametitle|. This solution was
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% suggested by Enrico Gregorio in an answer to
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% \href{http://tex.stackexchange.com/questions/112526/}{this StackExchange
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% question}.
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%
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% \begin{macrocode}
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\patchcmd{\beamer@@frametitle}
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{\beamer@ifempty{#2}{}{%
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\gdef\insertframetitle{{#2\ifnum\beamer@autobreakcount>0\relax{}\space%
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\usebeamertemplate*{frametitle continuation}\fi}}%
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\gdef\beamer@frametitle{#2}%
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\gdef\beamer@shortframetitle{#1}%
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}}
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{\beamer@ifempty{#2}{}{%
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\gdef\insertframetitle{{\@metropolis@frametitleformat{#2}\ifnum%
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\beamer@autobreakcount>0\relax{}\space%
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\usebeamertemplate*{frametitle continuation}\fi}}%
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\gdef\beamer@frametitle{#2}%
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\gdef\beamer@shortframetitle{#1}%
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}}
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{}
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{\PackageError{beamerouterthememetropolis}{Patching frame title failed}}
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% \end{macrocode}
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%
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% \begin{macro}{frametitle}
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%
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% Templates for the frame title, which is optionally underlined with a
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% progress bar.
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%
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% \begin{macrocode}
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\newlength{\@metropolis@frametitlestrut}
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\defbeamertemplate{frametitle}{plain}{%
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\nointerlineskip%
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\begin{beamercolorbox}[%
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wd=\paperwidth,%
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sep=1.5ex,%
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]{frametitle}%
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\@metropolis@frametitlestrut\insertframetitle\@metropolis@frametitlestrut%
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\end{beamercolorbox}%
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}
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% \end{macrocode}
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% \end{macro}
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%
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% \begin{macro}{progress bar in head/foot}
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%
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% Template for the progress bar optionally displayed below the frame title
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% on each page. Much of this code is duplicated in the inner theme's template
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% |progress bar in section page|.
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%
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% \begin{macrocode}
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\newlength{\metropolis@progressinheadfoot}
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\setbeamertemplate{progress bar in head/foot}{
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\nointerlineskip
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\setlength{\metropolis@progressinheadfoot}{%
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\paperwidth * \ratio{\insertframenumber pt}{\inserttotalframenumber pt}%
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}%
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\begin{beamercolorbox}[wd=\paperwidth]{progress bar in head/foot}
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\begin{tikzpicture}
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\draw[bg, fill=bg] (0,0) rectangle (\paperwidth, 0.4pt);
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\draw[fg, fill=fg] (0,0) rectangle (\metropolis@progressinheadfoot, 0.4pt);
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\end{tikzpicture}%
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\end{beamercolorbox}
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}
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% \end{macrocode}
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% \end{macro}
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%
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% Process package options
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%
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% \begin{macrocode}
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\@metropolis@outer@setdefaults
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\ProcessPgfPackageOptions{/metropolis/outer}
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% \end{macrocode}
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%
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% \iffalse
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%</package>
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% \fi
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% \Finale
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\endinput
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