metropolis_theme/beamerthemem.dtx

% \iffalse meta-comment -------------------------------------------------------
% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of
% contributors can be found at
%
%     https://github.com/matze/mtheme/graphs/contributors
%
% and the original template was based on the HSRM theme by Benjamin Weiss.
%
% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
% International License (https://creativecommons.org/licenses/by-sa/4.0/).
% ------------------------------------------------------------------------- \fi
% \iffalse
%<driver> \ProvidesFile{beamerthemem.dtx}
%<*package>
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{beamerthemem}
    [2015/06/12 A Modern Beamer Theme]
%</package>
%<driver> \documentclass{ltxdoc}
%<driver> \usepackage{beamerthemem}
%<driver> \begin{document}
%<driver> \DocInput{beamerthemem.dtx}
%<driver> \end{document}
% \fi
% \CheckSum{0}
% \StopEventually{}
% \iffalse
%<*package>
% ------------------------------------------------------------------------- \fi
%
%
%
% Options
%
%    \begin{macrocode}
\newif\if@useTitleProgressBar
\@useTitleProgressBarfalse
\DeclareOptionBeamer{usetitleprogressbar}{
  \@useTitleProgressBartrue
}
%    \end{macrocode}
%
% usetotalslideindicator
%
%    \begin{macrocode}
\newif\if@useTotalSlideIndicator
\@useTotalSlideIndicatorfalse
\DeclareOptionBeamer{usetotalslideindicator}{
  \@useTotalSlideIndicatortrue
}
%    \end{macrocode}
%
% noslidenumbers
%
%    \begin{macrocode}
\newif\if@noSlideNumbers
\@noSlideNumbersfalse
\DeclareOptionBeamer{noslidenumbers}{
  \@noSlideNumberstrue
}
%    \end{macrocode}
%
% nosectionslide
%
%    \begin{macrocode}
\newif\if@noSectionSlide
\@noSectionSlidefalse
\DeclareOptionBeamer{nosectionslide}{
  \@noSectionSlidetrue
}
%    \end{macrocode}
%
% protectframetitle
%
%    \begin{macrocode}
\newif\if@protectFrameTitle
\@protectFrameTitlefalse
\DeclareOptionBeamer{protectframetitle}{
  \@protectFrameTitletrue
}
%    \end{macrocode}
%
% nooffset
%
%    \begin{macrocode}
\newlength{\@mtheme@voffset}
\setlength{\@mtheme@voffset}{2em}
\DeclareOptionBeamer{nooffset}{
  \setlength{\@mtheme@voffset}{0em}
}
%    \end{macrocode}
%
% blockbg
%
%    \begin{macrocode}
\DeclareOptionBeamer{blockbg}{
  \PassOptionsToPackage{blockbg}{beamercolorthememetropolis}%
}
%    \end{macrocode}
%
% darkcolors
%
%    \begin{macrocode}
\DeclareOptionBeamer{darkcolors}{
  \PassOptionsToPackage{darkcolors}{beamercolorthememetropolis}%
}
%    \end{macrocode}
%
% Unknown option error handling
%
%    \begin{macrocode}
\DeclareOptionBeamer*{
  \PackageWarning{beamerthemem}{Unknown option `\CurrentOption'}%
}
\ProcessOptionsBeamer
%    \end{macrocode}
%
% mthemetitleformat
%
% \begin{macro}{\mthemetitleformat}
%    \begin{macrocode}
\def\mthemetitleformat#1{\scshape #1}
%    \end{macrocode}
% \end{macro}
%
%    \begin{macrocode}
\mode<presentation>
%    \end{macrocode}
%
% Packages
%
%    \begin{macrocode}
\RequirePackage{etoolbox}
\RequirePackage{tikz}
\RequirePackage{pgfplots}
\RequirePackage{ifxetex,ifluatex}
\newif\ifxetexorluatex
\ifxetex
  \xetexorluatextrue
\else
  \ifluatex
    \xetexorluatextrue
  \else
    \xetexorluatexfalse
  \fi
\fi
\usetikzlibrary{backgrounds}
\usetikzlibrary{calc}
\usecolortheme{metropolis}
\ifxetexorluatex
  \usefonttheme{metropolis}
\else
  \PackageWarning{beamerthemem}{You need to compile with XeLaTeX or LuaLaTeX for the Fira fonts.}
\fi

\useinnertheme{metropolis}%

\AtEndPreamble{%
  \@ifpackageloaded{pgfplots}{%
    \RequirePackage{pgfplotsthemetol}
  }{}
}

%    \end{macrocode}

%    \end{macrocode}
%
% Progressbar
%
%    \begin{macrocode}
\RequirePackage{calc}
%    \end{macrocode}
%
% \begin{macro}{\inserttotalframenumber}
%    \begin{macrocode}
\def\inserttotalframenumber{100}  % prevent \progressbar@percent from getting too big on first compile
%    \end{macrocode}
% \end{macro}
%
%    \begin{macrocode}
\newlength{\progressbar@percent}
%    \end{macrocode}
%
% \begin{macro}{\progressbar}
%    \begin{macrocode}
\newcommand{\progressbar}[1]{%
  \setlength{\progressbar@percent}{%
    #1 * \ratio{\insertframenumber pt}{\inserttotalframenumber pt}%
  }%
  \begin{tikzpicture}[tight background]
    \usebeamercolor{progress bar}
    \draw[bg, fill=bg] (0,0) rectangle (#1, 0.4pt);
    \draw[fg, fill=fg] (0,0) rectangle (\progressbar@percent, 0.4pt);
  \end{tikzpicture}%
}
%    \end{macrocode}
% \end{macro}
%
% Commands
%
% \begin{macro}{\insertsectionHEAD}
%    \begin{macrocode}
\newcommand{\insertsectionHEAD}{%
  \expandafter\insertsectionHEADaux\insertsectionhead}
%    \end{macrocode}
% \end{macro}
%
% \begin{macro}{\insertsectionHEADaux}
%    \begin{macrocode}
\newcommand{\insertsectionHEADaux}[3]{\mthemetitleformat{#3}}%
%    \end{macrocode}
% \end{macro}
%
% Create a plain frame with dark background
%
% \begin{macro}{\plain}
%    \begin{macrocode}
\newcommand{\plain}[2][]{%
  \begingroup
    \setbeamercolor{background canvas}{use=palette primary,parent=palette primary}
    \begin{frame}{#1}
      \centering
      \vfill
      \vspace{1em}
      \usebeamercolor[fg]{palette primary}
      \usebeamerfont{section title}
      \mthemetitleformat{#2}
      \vfill
    \end{frame}
  \endgroup
}
%    \end{macrocode}
% \end{macro}
%
% Itemize tweaks
%
%    \begin{macrocode}
\setlength{\leftmargini}{1em}
\setlength{\leftmarginii}{1em}
\setlength{\leftmarginiii}{1em}
%    \end{macrocode}
%
% \begin{macro}{\itemBullet}
%    \begin{macrocode}
\newcommand{\itemBullet}{∙}
%    \end{macrocode}
% \end{macro}
%
%    \begin{macrocode}
\setbeamertemplate{itemize item}{\itemBullet}
\setbeamertemplate{itemize subitem}{\itemBullet}
\setbeamertemplate{itemize subsubitem}{\itemBullet}
\setlength{\parskip}{0.5em}
%    \end{macrocode}
%
% Block environment
%
%    \begin{macrocode}

\newlength{\leftrightskip}
\if@beamer@metropolis@blockbg
  \setlength{\leftrightskip}{1ex}
\else
  \setlength{\leftrightskip}{0ex}
\fi
\setbeamertemplate{block begin}{%
  \vspace*{1ex}
  \begin{beamercolorbox}[%
    ht=2.4ex,
    dp=1ex,
    leftskip=\leftrightskip,
    rightskip=\leftrightskip]{block title}
      \usebeamerfont*{block title}\insertblocktitle%
  \end{beamercolorbox}%
  \vspace*{-1pt}
  \usebeamerfont{block body}%
  \begin{beamercolorbox}[%
    dp=1ex,
    leftskip=\leftrightskip,
    rightskip=\leftrightskip,
    vmode]{block body}%
}
\setbeamertemplate{block end}{%
  \end{beamercolorbox}
  \vspace*{0.2ex}
}
%    \end{macrocode}
%
% Alerted block environment
%
%    \begin{macrocode}
\setbeamertemplate{block alerted begin}{%
  \vspace*{1ex}
  \begin{beamercolorbox}[%
    ht=2.4ex,
    dp=1ex,
    leftskip=\leftrightskip,
    rightskip=\leftrightskip]{block title alerted}
      \usebeamerfont*{block title alerted}\insertblocktitle%
  \end{beamercolorbox}%
  \vspace*{-1pt}
  \usebeamerfont{block body alerted}%
  \begin{beamercolorbox}[%
    dp=1ex,
    leftskip=\leftrightskip,
    rightskip=\leftrightskip,
    vmode]{block body}%
}
\setbeamertemplate{block alerted end}{%
  \end{beamercolorbox}
  \vspace*{0.2ex}
}
%    \end{macrocode}
%
% Example block environment
%
%    \begin{macrocode}
\setbeamertemplate{block example begin}{%
  \vspace*{1ex}
  \begin{beamercolorbox}[%
    ht=2.4ex,
    dp=1ex,
    leftskip=\leftrightskip,
    rightskip=\leftrightskip]{block title example}
      \usebeamerfont*{block title example}\insertblocktitle%
  \end{beamercolorbox}%
  \vspace*{-1pt}
  \usebeamerfont{block body example}%
  \begin{beamercolorbox}[%
    dp=1ex,
    leftskip=\leftrightskip,
    rightskip=\leftrightskip,
    vmode]{block body}%
}
\setbeamertemplate{block example end}{%
  \end{beamercolorbox}
  \vspace*{0.2ex}
}
%    \end{macrocode}
%
% Sections
%
%    \begin{macrocode}
\setbeamertemplate{section page}
{
  \vspace{2em}
  \centering
  \begin{minipage}{22em}
    \usebeamercolor[fg]{section title}
    \usebeamerfont{section title}
    \insertsectionHEAD\\[-1ex]
    \progressbar{\textwidth}
  \end{minipage}
  \par
}
%    \end{macrocode}
%
% Insert frame with section title at every section start
%
%    \begin{macrocode}
\if@noSectionSlide\else%
  \AtBeginSection[]
  {
    \ifbeamer@inframe
      \sectionpage
    \else
      \frame[plain,c]{\sectionpage}
    \fi
  }
\fi
%    \end{macrocode}
%
% Captions
%
%    \begin{macrocode}
\setbeamertemplate{caption label separator}{: }
\setbeamertemplate{caption}[numbered]
%    \end{macrocode}
%
% Footline/footnote
%
%    \begin{macrocode}
\usenavigationsymbolstemplate{}
\setbeamertemplate{footline}
{%
\begin{beamercolorbox}[wd=\textwidth,ht=3ex,dp=3ex,leftskip=0.3cm,rightskip=0.3cm]{footline}%
  \hfill\usebeamerfont{page number in head/foot}%
\if@noSlideNumbers%
  %Purposefully left blank to display no slide number.%
  \else%
    \if@useTotalSlideIndicator%
    \insertframenumber/\inserttotalframenumber%
    \else%
    \insertframenumber%
    \fi%
  \fi%
\end{beamercolorbox}%
}
\setbeamertemplate{footnote}
{%
  \parindent 0em\noindent%
  \raggedright
  \usebeamercolor{footnote}\hbox to 0.8em{\hfil\insertfootnotemark}\insertfootnotetext\par%
}
%    \end{macrocode}
%
% Frametitle
%
%    \begin{macrocode}
\setbeamertemplate{frametitle}{%
\nointerlineskip
\begin{beamercolorbox}[wd=\paperwidth,leftskip=0.3cm,rightskip=0.3cm,ht=2.5ex,dp=1.5ex]{frametitle}
\usebeamerfont{frametitle}%
\if@protectFrameTitle%
    \mthemetitleformat{\protect\insertframetitle}%
\else%
    \mthemetitleformat{\insertframetitle}%
\fi%
\end{beamercolorbox}%
\if@useTitleProgressBar
  \nointerlineskip
  \begin{beamercolorbox}[wd=\paperwidth,ht=0.4pt,dp=0pt]{frametitle}
    \progressbar{\paperwidth}
  \end{beamercolorbox}
\fi
\vspace{\@mtheme@voffset}
}
%    \end{macrocode}
%
%
%    \begin{macrocode}
\mode<all>
%    \end{macrocode}
%
% misc
%
%
% \begin{macro}{\mreducelistspacing}
%    \begin{macrocode}
\newcommand{\mreducelistspacing}{\vspace{-\topsep}}
%    \end{macrocode}
% \end{macro}
%
%    \begin{macrocode}
\linespread{1.15}
%    \end{macrocode}
%
% \iffalse
%</package>
% \fi
% \Finale
\endinput