Combine LaTeX/Beamer templates

All conditionals use the `beamer` variable set by the writer.

Closes #3878.

data/templates/default.latex

@@ -4,7 +4,13 @@ $if(colorlinks)$
 \PassOptionsToPackage{usenames,dvipsnames}{color}
 $endif$
 %
-\documentclass[$if(fontsize)$$fontsize$,$endif$$if(lang)$$babel-lang$,$endif$$if(papersize)$$papersize$paper,$endif$$for(classoption)$$classoption$$sep$,$endfor$]{$documentclass$}
+\documentclass[$if(fontsize)$$fontsize$,$endif$$if(lang)$$babel-lang$,$endif$$if(papersize)$$papersize$paper,$endif$$if(beamer)$ignorenonframetext,$if(handout)$handout,$endif$$if(aspectratio)$aspectratio=$aspectratio$,$endif$$endif$$for(classoption)$$classoption$$sep$,$endfor$]{$documentclass$}
+$if(beamer)$
+\setbeamertemplate{caption}[numbered]
+\setbeamertemplate{caption label separator}{: }
+\setbeamercolor{caption name}{fg=normal text.fg}
+\beamertemplatenavigationsymbols$if(navigation)$$navigation$$else$empty$endif$
+$endif$
 $if(beamerarticle)$
 \usepackage{beamerarticle} % needs to be loaded first
 $endif$
@@ -81,6 +87,26 @@ $if(CJKmainfont)$
   \fi
 $endif$
 \fi
+$if(beamer)$
+$if(theme)$
+\usetheme[$for(themeoptions)$$themeoptions$$sep$,$endfor$]{$theme$}
+$endif$
+$if(colortheme)$
+\usecolortheme{$colortheme$}
+$endif$
+$if(fonttheme)$
+\usefonttheme{$fonttheme$}
+$endif$
+$if(mainfont)$
+\usefonttheme{serif} % use mainfont rather than sansfont for slide text
+$endif$
+$if(innertheme)$
+\useinnertheme{$innertheme$}
+$endif$
+$if(outertheme)$
+\useoutertheme{$outertheme$}
+$endif$
+$endif$
 % use upquote if available, for straight quotes in verbatim environments
 \IfFileExists{upquote.sty}{\usepackage{upquote}}{}
 % use microtype if available
@@ -127,6 +153,9 @@ $endif$
 $if(geometry)$
 \usepackage[$for(geometry)$$geometry$$sep$,$endfor$]{geometry}
 $endif$
+$if(beamer)$
+\newif\ifbibliography
+$endif$
 $if(natbib)$
 \usepackage[$natbiboptions$]{natbib}
 \bibliographystyle{$if(biblio-style)$$biblio-style$$else$plainnat$endif$}
@@ -151,6 +180,13 @@ $if(tables)$
 \usepackage{longtable,booktabs}
 % Fix footnotes in tables (requires footnote package)
 \IfFileExists{footnote.sty}{\usepackage{footnote}\makesavenoteenv{longtable}}{}
+$if(beamer)$
+\usepackage{caption}
+% These lines are needed to make table captions work with longtable:
+\makeatletter
+\def\fnum@table{\tablename~\thetable}
+\makeatother
+$endif$
 $endif$
 $if(graphics)$
 \usepackage{graphicx,grffile}
@@ -163,6 +199,31 @@ $if(graphics)$
 % using explicit options in \includegraphics[width, height, ...]{}
 \setkeys{Gin}{width=\maxwidth,height=\maxheight,keepaspectratio}
 $endif$
+$if(beamer)$
+% Prevent slide breaks in the middle of a paragraph:
+\widowpenalties 1 10000
+\raggedbottom
+$if(section-titles)$
+\AtBeginPart{
+  \let\insertpartnumber\relax
+  \let\partname\relax
+  \frame{\partpage}
+}
+\AtBeginSection{
+  \ifbibliography
+  \else
+    \let\insertsectionnumber\relax
+    \let\sectionname\relax
+    \frame{\sectionpage}
+  \fi
+}
+\AtBeginSubsection{
+  \let\insertsubsectionnumber\relax
+  \let\subsectionname\relax
+  \frame{\subsectionpage}
+}
+$endif$
+$endif$
 $if(links-as-notes)$
 % Make links footnotes instead of hotlinks:
 \DeclareRobustCommand{\href}[2]{#2\footnote{\url{#1}}}
@@ -180,6 +241,8 @@ $if(numbersections)$
 $else$
 \setcounter{secnumdepth}{0}
 $endif$
+$if(beamer)$
+$else$
 $if(subparagraph)$
 $else$
 % Redefines (sub)paragraphs to behave more like sections
@@ -192,6 +255,7 @@ $else$
 \renewcommand{\subparagraph}[1]{\oldsubparagraph{#1}\mbox{}}
 \fi
 $endif$
+$endif$
 $if(lang)$
 \ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex
   \usepackage[shorthands=off,$for(babel-otherlangs)$$babel-otherlangs$,$endfor$main=$babel-lang$]{babel}
@@ -249,9 +313,20 @@ $if(institute)$
 \institute{$for(institute)$$institute$$sep$ \and $endfor$}
 $endif$
 \date{$date$}
+$if(beamer)$
+$if(titlegraphic)$
+\titlegraphic{\includegraphics{$titlegraphic$}}
+$endif$
+$if(logo)$
+\logo{\includegraphics{$logo$}}
+$endif$
+$endif$
 
 \begin{document}
 $if(title)$
+$if(beamer)$
+\frame{\titlepage}
+$else$
 \maketitle
 $endif$
 $if(abstract)$
@@ -259,12 +334,18 @@ $if(abstract)$
 $abstract$
 \end{abstract}
 $endif$
+$endif$
 
 $for(include-before)$
 $include-before$
 
 $endfor$
 $if(toc)$
+$if(beamer)$
+\begin{frame}
+\tableofcontents[hideallsubsections]
+\end{frame}
+$else$
 {
 $if(colorlinks)$
 \hypersetup{linkcolor=$if(toccolor)$$toccolor$$else$black$endif$}
@@ -273,6 +354,7 @@ $endif$
 \tableofcontents
 }
 $endif$
+$endif$
 $if(lot)$
 \listoftables
 $endif$
@@ -290,12 +372,26 @@ $else$
 \renewcommand\refname{$biblio-title$}
 $endif$
 $endif$
+$if(beamer)$
+\begin{frame}[allowframebreaks]{$biblio-title$}
+\bibliographytrue
+$endif$
 \bibliography{$for(bibliography)$$bibliography$$sep$,$endfor$}
+$if(beamer)$
+\end{frame}
+$endif$
 
 $endif$
 $endif$
 $if(biblatex)$
+$if(beamer)$
+\begin{frame}[allowframebreaks]{$biblio-title$}
+\bibliographytrue
+\printbibliography[heading=none]
+\end{frame}
+$else$
 \printbibliography$if(biblio-title)$[title=$biblio-title$]$endif$
+$endif$
 
 $endif$
 $for(include-after)$