metropolis_theme/beamerthemem.dtx

% \iffalse meta-comment
%
% Copyright (C) 2015 by Matthias Vogelgesang <matthias.vogelgesang@gmail.com>
% ---------------------------------------------------------------------------
% Licensed under CC-BY-SA 4.0 International.
%
% The initial template comes from the HSRM beamer theme by Benjamin Weiss,
% which you can find at https://github.com/benjamin-weiss/hsrmbeamertheme.
% ---------------------------------------------------------------------------
%
% The Current Maintainer of this work is Matthias Vogelgesang.
%
% This work consists of the files beamerthemem.dtx and beamerthemem.ins
% and the derived filebase beamerthemem.sty.
%
% \fi
%
% \iffalse
%<*driver>
\ProvidesFile{beamerthemem.dtx}
%</driver>
%<package>\NeedsTeXFormat{LaTeX2e}[1999/12/01]
%<package>\ProvidesPackage{beamerthemem}
%<*package>
    [2015/06/12 1.0.0 A Modern Beamer Theme]
%</package>
%
%<*driver>
\documentclass{ltxdoc}
\usepackage{beamerthemem}
\EnableCrossrefs
\CodelineIndex
\RecordChanges
\begin{document}
  \DocInput{beamerthemem.dtx}
  \PrintChanges
  \PrintIndex
\end{document}
%</driver>
% \fi
%
% \CheckSum{0}
%
% \CharacterTable
%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%   Digits        \0\1\2\3\4\5\6\7\8\9
%   Exclamation   \!     Double quote  \"     Hash (number) \#
%   Dollar        \$     Percent       \%     Ampersand     \&
%   Acute accent  \'     Left paren    \(     Right paren   \)
%   Asterisk      \*     Plus          \+     Comma         \,
%   Minus         \-     Point         \.     Solidus       \/
%   Colon         \:     Semicolon     \;     Less than     \<
%   Equals        \=     Greater than  \>     Question mark \?
%   Commercial at \@     Left bracket  \[     Backslash     \\
%   Right bracket \]     Circumflex    \^     Underscore    \_
%   Grave accent  \`     Left brace    \{     Vertical bar  \|
%   Right brace   \}     Tilde         \~}
%
%
% \changes{1.0.0}{2015/06/12}{Initial Stable Release.}
%
% \DoNotIndex{\newcommand,\newenvironment}
%

%
% \StopEventually{}
%
% \subsection{Main Theme}
%
% \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
%    \end{macrocode}
%
% Make Titlepage
%
% \begin{macro}{\maketitle}
%    \begin{macrocode}
\def\maketitle{\ifbeamer@inframe\titlepage\else\frame[plain]{\titlepage}\fi}
%    \end{macrocode}
% \end{macro}
%
% Define Titlepage
%
% \begin{macro}{\titlepage}
%    \begin{macrocode}
\def\titlepage{\usebeamertemplate{title page}}
%    \end{macrocode}
% \end{macro}
%
% Set beamer title page template
%
%    \begin{macrocode}
\setbeamertemplate{title page}
{
  \begin{minipage}[b][\paperheight]{\textwidth}
    \vspace*{\@mtheme@voffset}

    \ifx\inserttitlegraphic\@empty\else
    {% \inserttitlegraphic is nonempty
      \vbox to 0pt
      {% display title graphic without changing the position of other elements
        \vspace*{2em}
        \usebeamercolor[fg]{titlegraphic}%
        \inserttitlegraphic%
      }%
      \nointerlineskip%
    }
    \fi

    \vfill%

    \ifx\inserttitle\@empty\else
    {{% \inserttitle is nonempty
      \raggedright%
      \linespread{1.0}%
      \usebeamerfont{title}%
      \usebeamercolor[fg]{title}%
      \mthemetitleformat{\inserttitle}%
      \vspace*{0.5em}
    }}
    \fi

    \ifx\insertsubtitle\@empty\else
    {{% \insertsubtitle is nonempty
      \usebeamerfont{subtitle}%
      \usebeamercolor[fg]{subtitle}%
      \insertsubtitle%
      \vspace*{0.5em}%
    }}
    \fi

    \begin{tikzpicture}
      \usebeamercolor{title separator}
      \draw[fg] (0, 0) -- (\textwidth, 0);
    \end{tikzpicture}%
    \vspace*{1em}%

    \ifx\beamer@shortauthor\@empty\else
    {{% \insertauthor is always nonempty by beamer's definition, so we must
      % test another macro which is initialized by \author{...}
      % For details, see http://tex.stackexchange.com/questions/241306/
      \usebeamerfont{author}%
      \usebeamercolor[fg]{author}%
      \insertauthor%
      \par%
      \vspace*{0.25em}
    }}
    \fi

    \ifx\insertdate\@empty\else
    {{% \insertdate is nonempty
      \usebeamerfont{date}%
      \usebeamercolor[fg]{date}%
      \insertdate%
      \par%
    }}
    \fi

    \ifx\insertinstitute\@empty\else
    {{% \insertinstitute is nonempty
      \vspace*{3mm}
      \usebeamerfont{institute}%
      \usebeamercolor[fg]{institute}%
      \insertinstitute%
      \par%
    }}
    \fi

    \vfill
    \vspace*{\@mtheme@voffset}
  \end{minipage}
}
%    \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}
%
% pgfplots
%
% Colors
%
% TolColors from http://www.r-bloggers.com/the-paul-tol-21-color-salute/
%    \begin{macrocode}
\definecolor{TolColor1}{HTML}{332288}   % dark purple
\definecolor{TolColor2}{HTML}{6699CC}   % dark blue
\definecolor{TolColor3}{HTML}{88CCEE}   % light blue
\definecolor{TolColor4}{HTML}{44AA99}   % light green
\definecolor{TolColor5}{HTML}{117733}   % dark green
\definecolor{TolColor6}{HTML}{999933}   % dark brown
\definecolor{TolColor7}{HTML}{DDCC77}   % light brown
\definecolor{TolColor8}{HTML}{661100}   % dark red
\definecolor{TolColor9}{HTML}{CC6677}   % light red
\definecolor{TolColor10}{HTML}{AA4466}  % light pink
\definecolor{TolColor11}{HTML}{882255}  % dark pink
\definecolor{TolColor12}{HTML}{AA4499}  % light purple
%    \end{macrocode}
%
% Color cycles
%
%    \begin{macrocode}
\pgfplotscreateplotcyclelist{mbarplot cycle}{%
  {draw=TolColor2, fill=TolColor2!70},
  {draw=TolColor7, fill=TolColor7!70},
  {draw=TolColor4, fill=TolColor4!70},
  {draw=TolColor11, fill=TolColor11!70},
  {draw=TolColor1, fill=TolColor1!70},
  {draw=TolColor8, fill=TolColor8!70},
  {draw=TolColor6, fill=TolColor6!70},
  {draw=TolColor9, fill=TolColor9!70},
  {draw=TolColor10, fill=TolColor10!70},
  {draw=TolColor12, fill=TolColor12!70},
  {draw=TolColor3, fill=TolColor3!70},
  {draw=TolColor5, fill=TolColor5!70},
}
\pgfplotscreateplotcyclelist{mlineplot cycle}{%
  {TolColor2, mark=*, mark size=1.5pt},
  {TolColor7, mark=square*, mark size=1.3pt},
  {TolColor4, mark=triangle*, mark size=1.5pt},
  {TolColor6, mark=diamond*, mark size=1.5pt},
}
%    \end{macrocode}
%
% Styles
%
%    \begin{macrocode}
\pgfplotsset{
  compat=1.9,
  mbaseplot/.style={
    legend style={
      draw=none,
      fill=none,
      cells={anchor=west},
    },
    x tick label style={
      font=\footnotesize
    },
    y tick label style={
      font=\footnotesize
    },
    legend style={
      font=\footnotesize
    },
    major grid style={
      dotted,
    },
    axis x line*=bottom,
  },
  mlineplot/.style={
    mbaseplot,
    xmajorgrids=true,
    ymajorgrids=true,
    major grid style={dotted},
    axis x line=bottom,
    axis y line=left,
    legend style={
      cells={anchor=west},
      draw=none
    },
    cycle list name=mlineplot cycle,
  },
  mbarplot base/.style={
    mbaseplot,
    bar width=6pt,
    axis y line*=none,
  },
  mbarplot/.style={
    mbarplot base,
    ybar,
    xmajorgrids=false,
    ymajorgrids=true,
    area legend,
    legend image code/.code={%
      \draw[#1] (0cm,-0.1cm) rectangle (0.15cm,0.1cm);
    },
    cycle list name=mbarplot cycle,
  },
  horizontal mbarplot/.style={
    mbarplot base,
    xmajorgrids=true,
    ymajorgrids=false,
    xbar stacked,
    area legend,
    legend image code/.code={%
      \draw[#1] (0cm,-0.1cm) rectangle (0.15cm,0.1cm);
    },
    cycle list name=mbarplot cycle,
  },
  disable thousands separator/.style={
    /pgf/number format/.cd,
      1000 sep={}
  },
}
%    \end{macrocode}
%
%
%    \begin{macrocode}
\mode<all>
%    \end{macrocode}
%
% misc
%
%    \begin{macrocode}
\let\otp\titlepage
%    \end{macrocode}
%
% \begin{macro}{\titlepage}
%    \begin{macrocode}
\renewcommand{\titlepage}{\otp\addtocounter{framenumber}{-1}}
%    \end{macrocode}
% \end{macro}
%
% \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