basileabeam.sty

% Based on http://blog.barisione.org/2007-09/torino-a-pretty-theme-for-latex-beamer/
% Adjustments for University of Basel, Department of Mathematics and Computer Science
%
% Version: February 2024
%
% # Owner and Maintainer:
% Ivan Giangreco
% February 2015
%
% # Contributors
% Simon Peterhans
% Luckas Beck
% Loris Sauter
%
% Licesensed under MIT License, see LICENSE.md file
%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{basileabeam}[2024/02/16 Basilea Beamer: Latex beamer in the CD of the University of Basel]


%% --------------------------------------------
%% Preliminary Declarations and Dependencies
%% --------------------------------------------

%% Dependencies
% Required to have more commands (i.e. boolean flags)
\RequirePackage{etoolbox}

% Package used for dash rule in titles
\RequirePackage{dashrule}

% Packages used for displaying notes
\RequirePackage{pgfpages}

% Required to make basileabeam pdf/xelatex ready
\RequirePackage{ifpdf}

\ifpdf
% Standard package in case non utf8 based engines (specifically, pdflatex)
\RequirePackage[utf8]{inputenc}
\else
\fi

% Required to position the logo on the title page, also enables drawing
\RequirePackage{tikz}

%% Declarations

% Set graphics path, such that includegraphics works without path
\graphicspath{{Figures/}}

% Text to be set for frontpage
\newcommand*{\ulogo}[1]{\def\ulogoint{#1}}
\newcommand*{\ulistelement}[1]{\def\ulistelementint{#1}}

% Have user add more information.
\newcommand*{\email}[1]{\ifdefined\email \def\insertemail{#1}\fi}

% Turn off navigation symbols.
\setbeamertemplate{navigation symbols}{}

%% Flags

% Flag to turn off the total number of frames in the footer
% i.e. if flag is on: in footer x / y
% if flag is off: in footer x
\providetoggle{bbTotalNoSlidesEnabled}
\toggletrue{bbTotalNoSlidesEnabled} % Default is true i.e. x / y
\newcommand{\totalNoSlidesDisabled}{\togglefalse{bbTotalNoSlidesEnabled}}

% Flag to turn off the header containing sections, enabled by default.
\providetoggle{bbHeaderSectionsEnabled}
\toggletrue{bbHeaderSectionsEnabled} % Default is true, i.e. with header.
\newcommand{\headerSectionsDisabled}{\togglefalse{bbHeaderSectionsEnabled}}

% Flag to switch between frame numbers (default) and
% page numbers. Using beamer overlay features advances page numbers, but not frame numbers
\providetoggle{bbFrameNumberingEnabled}
\toggletrue{bbFrameNumberingEnabled} % default is true, i.e. FRAME numbers are used
\newcommand{\pageNumberingEnabled}{\togglefalse{bbFrameNumberingEnabled}}

% Flag to disable the University of Basel logo in the title slide
\providetoggle{bbUnibasLogoDisabled}
\togglefalse{bbUnibasLogoDisabled} % Default is false, i.e. the logo is rendered
\newcommand{\unibasLogoEnabled}{\togglefalse{bbUnibasLogoDisabled}}

\mode<presentation>

% Items.
\defbeamertemplate{itemize item}{squarealt}%
{\tiny\raise.5ex\hbox{\donotcoloroutermaths$\blacksquare$}}
\defbeamertemplate{itemize subitem}{squarealt}%
{\tiny\raise.4ex\hbox{\donotcoloroutermaths$\square$}}
\defbeamertemplate{itemize subsubitem}{squarealt}%
{\tiny\raise.3ex\hbox{\donotcoloroutermaths$\blacksquare$}}
\setbeamertemplate{items}[squarealt]

% Colors.
\definecolor{hcolor}{RGB}{165,215,210} % Color 1
\definecolor{lcolor}{RGB}{45,55,60} % Color 3
\definecolor{highlightcolor}{RGB}{210,5,55} % Color 5

%% Official color sequence
\definecolor{bcolor1}{RGB}{165,215,210}  % unibasmint
\definecolor{bcolor2}{RGB}{30,165,165}   % unibasmarine
\definecolor{bcolor3}{RGB}{45,55,60}     % unibasanthrazit
\definecolor{bcolor4}{RGB}{140,145,150}  % unibasdarkgrey
\definecolor{bcolor5}{RGB}{210,5,55}     % unibasred
\definecolor{bcolor6}{RGB}{235,130,155}  % unibasrose
\definecolor{bcolor7}{RGB}{190,195,200}  % unibaslightgrey
\definecolor{bcolor8}{RGB}{0,110,110}    % unibasseaweed
\definecolor{bcolor9}{RGB}{0,0,0}        % unibasblack === black
\definecolor{bcolor10}{RGB}{255,255,255} % unibaswhite === white

\setbeamercolor*{palette primary}{fg=black,bg=white}
\setbeamercolor*{palette highlight}{fg=black,bg=hcolor}
\setbeamercolor*{palette line}{fg=black,bg=lcolor}
\setbeamercolor*{title page header}{parent=palette highlight}
\setbeamercolor*{titlelike}{bg=black}
\setbeamercolor*{frametitle}{bg=black,fg=black}
\setbeamercolor*{lineup}{parent=palette line}
\setbeamercolor*{part title}{bg=black,fg=black}
\setbeamercolor*{item}{fg=hcolor}
\setbeamercolor*{page footer}{parent=palette highlight}
\setbeamercolor*{alerted text}{fg=highlightcolor}
\hypersetup{colorlinks=false,linkcolor=hcolor,urlcolor=hcolor,citecolor=lcolor}

\setbeamercolor{note page}{bg=white, fg=black}

\setbeamercovered{transparent}


% Lengths.
\newlength{\beamer@fancy@lineup}
\setlength{\beamer@fancy@lineup}{.025\paperheight}
\newlength{\beamer@fancy@linemid}
\setlength{\beamer@fancy@linemid}{.015\paperheight}
\newlength{\beamer@fancy@linebottom}
\setlength{\beamer@fancy@linebottom}{.01\paperheight}
\newlength{\headerheight}
\setlength{\headerheight}{.045\paperheight}

% This particular setting is because 1ex pdflatex < 1ex xelatex
% sets the height of the logo
\ifpdf
\def\ulogoheightint{5ex}
\else
\def\ulogoheightint{4ex}
\fi

% Margins.
\newlength{\beamer@fancy@normalmargin}
\setlength{\beamer@fancy@normalmargin}{.06\paperwidth}
\setbeamersize{text margin left=\beamer@fancy@normalmargin}
\setbeamersize{text margin right=\beamer@fancy@normalmargin}
\setlength\leftmargini{.6\beamer@fancy@normalmargin}
\setlength\leftmarginii{.6\beamer@fancy@normalmargin}
\setlength\leftmarginiii{.6\beamer@fancy@normalmargin}

% Font.
% This is only available for xe/luatex
\ifpdf % do not use this on non xe/luatex
% nothing
\else
\usefonttheme{professionalfonts}
\usepackage{fontspec}%	
\newfontfamily\utitlefont{Georgia}%
\setmainfont{Arial}%
\setsansfont{Arial}%
\fi
%
\setbeamerfont{author}{size={\fontsize{8}{12}}}
\setbeamerfont{email}{size={\fontsize{6}{12}}}
\setbeamerfont{institute}{size={\fontsize{8}{12}}}
\setbeamerfont{date}{size={\fontsize{8}{12}}}
\setbeamerfont{title in head/foot}{series=\mdseries,size={\fontsize{6}{6}}}
\setbeamerfont{information}{family=\sffamily}
% again, the special utitlefont is only available on xe/luatex
\ifpdf
% nothing
\else
\setbeamerfont{title}{family=\utitlefont}
\setbeamerfont{frametitle}{family=\utitlefont}
\fi

\DeclareTextFontCommand{\emph}{\bfseries}
\DeclareTextFontCommand{\red}{\bfseries\textcolor{highlightcolor}}


% Title page, you should use this in a frame with the [plain] option.
\defbeamertemplate*{title page normal}{fancy theme}[1][]{
    {\parskip0pt\offinterlineskip%
    \hbox{\hskip-\Gm@lmargin\hbox{\vbox{%
    \@tempdima=\textwidth\textwidth=\paperwidth\hsize=\textwidth\def\\{,}\vbox{}\vskip-1.5ex%
       
    % Top Logo.
    \begin{beamercolorbox}[wd=\paperwidth,ht=7ex,leftskip=2ex,dp=0.25\paperheight]{title page header}
     % This is the colour box on the title page
    \end{beamercolorbox}%
    
    %% Top Logo positioned with tikz
    \begin{tikzpicture}[remember picture,overlay]
		\node[%
    yshift=-1.5em,xshift=1.5em
    ] (img) at (current page.north west) [anchor=north west]{%
      \iftoggle{bbUnibasLogoDisabled}{%
        \newline \newline%
      }{%
        \includegraphics[height=\ulogoheightint]{\ulogoint}%
      }%
      };
    \end{tikzpicture}
    
    \vbox{}\vskip-\beamer@fancy@lineup%
    \vbox{}\vskip-\beamer@fancy@linemid%
    }}%
    \hskip-\Gm@rmargin%
    }}\hfil%
    %
    
    % Title.
    \vskip4ex
    \usebeamerfont{title}\inserttitle\par%
    \ifx\insertsubtitle\@empty%
    \else%
    \vskip0.25ex%
    {\usebeamerfont{subtitle}\usebeamercolor[fg]{subtitle}\insertsubtitle\par}%
    \fi%  
    \def\beamer@decolines@truetext{true}%
    \vskip-.25\beamer@leftmargin%
    
    \begin{beamercolorbox}[wd=\textwidth,ht=.1ex,dp=0ex]{}%
        \usebeamercolor[bg]{lineup}\hdashrule{\textwidth}{0.5pt}{1pt 1pt} 
    \end{beamercolorbox}%
    \vspace{2ex}%
    
    % Authors, institute and date
    \begin{beamercolorbox}[wd=\textwidth]{author}
    {%
    	\usebeamerfont{information}%
        \usebeamerfont{author}\insertauthor \hspace{1ex}
        % Email is only printed if defined by user with \email{} and there is some content
       \ifdefined\insertemail{%
       		\ifx\insertemail\@empty%
       		\\[1ex]%
       		\else%
       		\usebeamerfont{email}\textcolor{lcolor}{\textless \insertemail \textgreater}\\[1ex]%
       		\fi%}
       }\else{%
       	\\[1ex]%
    	}%
    	\fi%
        \usebeamerfont{institute}\insertinstitute \\[1ex]%
        \usebeamerfont{date}\insertdate%
    }
    \end{beamercolorbox}
}


\defbeamertemplate*{title page}{fancy}[1][]
{
    \def\beamer@fancy@truetext{true}%
    \usebeamertemplate{title page normal}%
}


% General frame.
\defbeamertemplate*{frametitle}{decolines theme}[1][left]
{
\ifbeamercolorempty[bg]{frametitle}{}{\nointerlineskip}%
\@tempdima=\textwidth%
\advance\@tempdima by\beamer@leftmargin%
\advance\@tempdima by\beamer@rightmargin%
\vbox{}\vskip-.5\beamer@leftmargin%
\begin{beamercolorbox}[sep=\beamer@leftmargin,#1,wd=\the\@tempdima]{}
    \usebeamerfont{frametitle}\usebeamercolor[bg]{framesubtitle}%
    \vbox{}\vskip0ex%
    \if@tempswa\else\csname beamer@fte#1\endcsname\fi%
    \strut\insertframetitle\strut\par%
    {%
    \ifx\insertframesubtitle\@empty%
    \else%
    {\usebeamerfont{framesubtitle}\usebeamercolor[bg]{framesubtitle}\insertframesubtitle\strut\par}%
    \fi}%
    \vskip-1ex%
    \if@tempswa\else\vskip-\beamer@leftmargin\fi
    \end{beamercolorbox}%
\def\beamer@decolines@truetext{true}%
\vskip-.5\beamer@leftmargin%
\begin{beamercolorbox}[wd=\textwidth,ht=.1ex,dp=0ex]{}%
    \usebeamercolor[bg]{lineup}\hdashrule{\textwidth}{0.5pt}{1pt 1pt} 
\end{beamercolorbox}%
}

% Frame title continuations, default
\defbeamertemplate*{frametitle continuation}{decolines theme}{(\insertcontinuationcount)}

% List elements
\defbeamertemplate{itemize item}{image}{\small\includegraphics[height=1.6ex]{\ulistelementint}}
\defbeamertemplate{itemize subitem}{image}{\scriptsize\includegraphics[height=1.6ex]{\ulistelementint}}
\defbeamertemplate{itemize subsubitem}{image}{\tiny\includegraphics[height=1.6ex]{\ulistelementint}}

\setbeamertemplate{itemize item}[image]
\setbeamertemplate{itemize subitem}[image]
\setbeamertemplate{itemize subsubitem}[image]


% Last slide
\newenvironment{changemargin}[2]{
    \begin{list}{}{
        \setlength{\topsep}{0pt}
        \setlength{\leftmargin}{#1}
        \setlength{\rightmargin}{#2}
        \setlength{\listparindent}{\parindent}
        \setlength{\itemindent}{\parindent}
        \setlength{\parsep}{\parskip}
    }\item[]}{
    \end{list}
}

\newcommand{\lastpage}[1]{
  \begin{changemargin}{0.5\textwidth}{\rightmargin}
    \begin{columns}
        \column{.6\textwidth}
            {\parskip0pt\offinterlineskip%
            \hbox{\hskip-\Gm@lmargin\hbox{\vbox{%
            \vbox{}\vskip-1.75ex%
            \begin{beamercolorbox}[wd=\textwidth,ht=1.1\paperheight]{title page header}
            \end{beamercolorbox}%
            \vbox{}\vskip-\beamer@fancy@lineup%
            \vbox{}\vskip-\beamer@fancy@linemid%
            }}%
            \hskip-\Gm@rmargin%
            }}\hfil%
            \vskip4ex
        \column{.4\textwidth}
            {\raggedright {#1}}
    \end{columns}
  \end{changemargin}
}


% Blocks (box)
\setbeamertemplate{blocks}[shadow=false]
\setbeamertemplate{theorems}[normal font]
\setbeamercolor{block title}{fg=black,bg=hcolor!100}
\setbeamercolor{block body}{bg=hcolor!40}
\setbeamercolor{block body example}{bg=hcolor!40}

% Adjust caption
\setbeamertemplate{caption}{\raggedright\insertcaption\par}


% Backup slides
\newcommand{\backupbegin}{
   \newcounter{finalframe}
   \setcounter{finalframe}{\value{framenumber}}
}
\newcommand{\backupend}{
   \setcounter{framenumber}{\value{finalframe}}
}

% Header.
\defbeamertemplate*{headline}{decolines theme}{%
	\iftoggle{bbHeaderSectionsEnabled}{
		\leavevmode%
		\hbox{%
			\begin{beamercolorbox}[wd=\paperwidth,ht=2.5ex,dp=1.125ex]{page footer}%
				% Flush the bar to the left.
				\setbeamercolor{section in head/foot}{fg=black, bg=white}
				\insertsectionnavigationhorizontal{\paperwidth}{\hskip0pt plus1fill}{\hskip0pt plus1fill}
			\end{beamercolorbox}%
		}
	}{}
}
	
% Footer.
\defbeamertemplate*{footline}{decolines theme}
{
\hbox{%
\begin{beamercolorbox}[wd=0.9\textwidth,ht=3ex,dp=1.5ex,left,leftskip=2ex]{page footer}%
    \usebeamerfont{title in head/foot}\insertshorttitle{}
\end{beamercolorbox}%
\begin{beamercolorbox}[wd=0.1\textwidth,ht=3ex,dp=1.5ex,right,leftskip=2ex]{page footer}%
    \centering
    \usebeamerfont{title in head/foot}%
    \iftoggle{bbTotalNoSlidesEnabled}{%
      \iftoggle{bbFrameNumberingEnabled}{
        %% We use normal frame numbers, i.e. Text \pause Text results in twice the same number
        \insertframenumber{} / \inserttotalframenumber%
      }{%
        %% We use page numbers, i.e. Text \pause Text results in consequetive numbering
        \insertpagenumber{} / \insertpresentationendpage%
      }%
    }{%
    \iftoggle{bbFrameNumberingEnabled}{\insertframenumber}{\insertpagenumber}%
    }%
\end{beamercolorbox}}%
}

% Bibliography
\RequirePackage[backend=biber,style=authoryear,hyperref=false]{biblatex}
\defbibenvironment{bibliography}
  {\list{}
     {\settowidth{\labelwidth}{\usebeamertemplate{bibliography item}}%
      \setlength{\leftmargin}{\labelwidth}%
      \setlength{\labelsep}{\labelsep}%
      \addtolength{\leftmargin}{\labelsep}%
      \setlength{\itemsep}{\itemsep}%
      \setlength{\parsep}{\parsep}}}
  {\endlist}
  {\item}
  
\setbeamercolor{bibliography item}{parent=palette primary}
\setbeamercolor*{bibliography entry author}{parent=palette primary}
\setbeamercolor*{bibliography entry title}{parent=palette primary}
\setbeamercolor*{bibliography entry note}{parent=palette primary}

\setbeamertemplate{bibliography item}{\small\includegraphics[height=1.6ex]{\ulistelementint}}

\addbibresource{bibliography.bib}

\renewcommand*{\citesetup}{\tiny}
\renewcommand*{\bibfont}{\footnotesize}

\DeclareBibliographyCategory{cited}
\AtEveryCitekey{\addtocategory{cited}{\thefield{entrykey}}}
\nocite{*}

\mode
<all>


\makeatletter 
\def\beamer@framenotesbegin{% at beginning of slide
    \usebeamercolor[fg]{normal text}
    \gdef\beamer@noteitems{}% 
    \gdef\beamer@notes{}% 
}
\makeatother