beamerthemeUiB.sty

% Theme for the University of Bergen
% Implemented by Martin Helsø (martibhe@math.uio.no)
% Version 27-08-2020
%
% Also available at:
% https://github.com/martinhelso/UiB


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\RequirePackage{calc}
\RequirePackage{etoolbox}
\RequirePackage[LGR, T1]{fontenc}
\RequirePackage[utf8]{inputenx}
\RequirePackage{thmtools}
\RequirePackage{tikz}
\hypersetup{colorlinks,
            urlcolor  = uiblink,
            linkcolor =,
            citecolor =}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\urlstyle{same}

%% Vertical text alignment:
\DeclareOptionBeamer{c}{ \beamer@centeredtrue  }
\DeclareOptionBeamer{t}{ \beamer@centeredfalse }


%% Theorem numbers:
\DeclareOptionBeamer{unnumbered}{ \def \UiBtheorem {}          }
\DeclareOptionBeamer{numbered}  { \def \UiBtheorem {numbered}  }
\DeclareOptionBeamer{AMS}       { \def \UiBtheorem {ams style} }


%% Font:
\providebool{neohellenic}
\providebool{latinmodern}
\DeclareOptionBeamer{SansSerif}
{
    \def \UiBfont {default}
    \setbool{neohellenic}{true}
    \setbool{latinmodern}{false}
    \AtBeginDocument{\sbox0{\(\mathsf{\xdef\mathsfgroup{\the\mathgroup}}\)}}
    \def\operator@font{\mathgroup\mathsfgroup}
}
\DeclareOptionBeamer{UiBSerif}
{
    \def \UiBfont {professionalfonts}
    \setbool{neohellenic}{false}
    \setbool{latinmodern}{false}
    \AtBeginDocument{\sbox0{\(\mathrm{\xdef\mathrmgroup{\the\mathgroup}}\)}}
    \def\operator@font{\mathgroup\mathrmgroup}
}
\DeclareOptionBeamer{Serif}
{
    \def \UiBfont {serif}
    \setbool{neohellenic}{false}
    \setbool{latinmodern}{true}
    \AtBeginDocument{\sbox0{\(\mathrm{\xdef\mathrmgroup{\the\mathgroup}}\)}}
    \def\operator@font{\mathgroup\mathrmgroup}
}


%% Automatic title frame:
\DeclareOptionBeamer{TitlePage} { \def \UiBfirstframe {\TitlePage}  }
\DeclareOptionBeamer{NoTitlePage} { \def \UiBfirstframe {} }


% \ExecuteOptionsBeamer{spanish}
\ExecuteOptionsBeamer{t}
\ExecuteOptionsBeamer{unnumbered}
\ExecuteOptionsBeamer{SansSerif}
\ExecuteOptionsBeamer{TitlePage}
\ProcessOptionsBeamer


\AtBeginDocument{ \UiBfirstframe }


\RequirePackage[spanish]{babel}


% Use a neohellenic font from the Greek Font Society
% for small, greek letters. It is a sans serif that
% matches Helvetica better in style and weight than
% the standard Computer Modern.
\ifbool{neohellenic}
{
    \DeclareSymbolFont{neomath}{OML}{neohellenic}{m}{n}
    \DeclareMathSymbol{\alpha}\mathord{neomath}{"0B}
    \DeclareMathSymbol{\beta}\mathord{neomath}{"0C}
    \DeclareMathSymbol{\gamma}\mathord{neomath}{"0D}
    \DeclareMathSymbol{\delta}\mathord{neomath}{"0E}
    \DeclareMathSymbol{\epsilon}\mathord{neomath}{"0F}
    \DeclareMathSymbol{\zeta}\mathord{neomath}{"10}
    \DeclareMathSymbol{\eta}\mathord{neomath}{"11}
    \DeclareMathSymbol{\theta}\mathord{neomath}{"12}
    \DeclareMathSymbol{\theta}\mathord{neomath}{"12}
    \DeclareMathSymbol{\iota}\mathord{neomath}{"13}
    \DeclareMathSymbol{\kappa}\mathord{neomath}{"14}
    \DeclareMathSymbol{\lambda}\mathord{neomath}{"15}
    \DeclareMathSymbol{\mu}\mathord{neomath}{"16}
    \DeclareMathSymbol{\nu}\mathord{neomath}{"17}
    \DeclareMathSymbol{\xi}\mathord{neomath}{"18}
    \DeclareMathSymbol{\pi}\mathord{neomath}{"19}
    \DeclareMathSymbol{\rho}\mathord{neomath}{"1A}
    \DeclareMathSymbol{\sigma}\mathord{neomath}{"1B}
    \DeclareMathSymbol{\tau}\mathord{neomath}{"1C}
    \DeclareMathSymbol{\upsilon}\mathord{neomath}{"1D}
    \DeclareMathSymbol{\phi}\mathord{neomath}{"1E}
    \DeclareMathSymbol{\chi}\mathord{neomath}{"1F}
    \DeclareMathSymbol{\psi}\mathord{neomath}{"20}
    \DeclareMathSymbol{\omega}\mathord{neomath}{"21}
    \DeclareMathSymbol{\varepsilon}\mathord{neomath}{"22}
    \DeclareMathSymbol{\vartheta}\mathord{neomath}{"23}
    \DeclareMathSymbol{\varpi}\mathord{neomath}{"24}
    \DeclareMathSymbol{\varrho}\mathord{neomath}{"25}
    \DeclareMathSymbol{\varsigma}\mathord{neomath}{"26}
    \DeclareMathSymbol{\varphi}\mathord{neomath}{"27}
}
{}

\ifbool{latinmodern}
{
    \renewcommand{\rmdefault}{lmr} % Latin Modern Roman
}
{
   \renewcommand{\rmdefault}{pbk}  % Bookman
}

\renewcommand{\sfdefault}{phv} % Helvetica
\renewcommand{\ttdefault}{pcr} % Courier


%% Allow more stretching
\setlength{\emergencystretch}{3em}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%% Official colours:
\definecolor{uibred}  {HTML}{db3f3d}
\definecolor{uibblue} {HTML}{4ea0b7}
\definecolor{uibgreen}{HTML}{789a5b}
\definecolor{uibgray} {HTML}{d0cac2}
\definecolor{uiblink} {HTML}{00769E}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\mode<presentation>


\useinnertheme{rectangles}
\usefonttheme{\UiBfont}


\setbeamertemplate{theorems}[\UiBtheorem]
\setbeamertemplate{qed symbol}{\(\blacksquare\)}
\setbeamertemplate{navigation symbols}{}
\setbeamertemplate{caption label separator}{: }
\setbeamersize{text margin left  = 3.845mm,
               text margin right = 3.845mm}


%% Standard colours:
\colorlet{alert}{uibblue}
\setbeamercolor{structure}{fg = uibred}
\setbeamercolor{block title}{fg = white,
                             bg = uibred}
\setbeamercolor{block body} {bg = uibgray}
\setbeamercolor{block title example}{fg = white,
                                     bg = uibgreen}
\setbeamercolor{block body example} {bg = uibgray}
\setbeamercolor{block title alerted}{fg = white,
                                     bg = uibblue}
\setbeamercolor{block body alerted} {bg = uibgray}
\setbeamercolor{alerted text} {fg = uibblue}
\setbeamercolor{footnote mark}{fg = uibred}
\setbeamercolor{section in head/foot}{fg = white,
                                      bg = uibred}
\setbeamercolor{section in toc}{fg = black}
\setbeamercolor{bibliography entry location}{fg = structure}


%% Custom colours:
\setbeamercolor*{section page}{fg = white, bg = structure}

%% Standard fonts:
\setbeamerfont{author}    {size   = \huge,
                           series = \normalfont\bfseries}
\setbeamerfont{title}     {size   = \huge,
                           series = \bfseries}
\setbeamerfont{subtitle}  {size   = \LARGE,
                           series = \normalfont\rmfamily}
\setbeamerfont{frametitle}{size = \LARGE,
                           series = \bfseries}
\setbeamerfont{title in head/foot} {series = \bfseries}
\setbeamerfont{author in head/foot}{series = \bfseries}
\setbeamerfont{date in head/foot}  {series = \bfseries}
\setbeamerfont{section in toc}     {series = \bfseries}


%% Custom fonts:
\setbeamerfont*{section page}{size   = \Huge,
                              series = \bfseries}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{title page}
{
    \begin{center}
        \usebeamerfont{title}
        \inserttitle
        \\
        \usebeamerfont{subtitle}
        \insertsubtitle
    \end{center}
    \begin{beamercolorbox}[wd        = \paperwidth,
                           ht        = 11 mm,
                           dp        = \dimexpr 0.4\paperheight - 11 mm \relax,
                           leftskip  = 1 em,
                           rightskip = 1 em]
                          {section in head/foot}
        \begin{minipage}[t][0.28\paperheight]{\textwidth}
            \centering
            \usebeamerfont{author}
            \insertauthor
            \vfill
            \hfill
            % \includegraphics[scale = 0.4]{UiB-images/UiB-logo-\UiBlang}
        \end{minipage}
    \end{beamercolorbox}
    \vspace*{-1.3em}
}


\newcommand{\TitlePage}
{{
    \setbeamercolor{background canvas}{bg = uibgray}
    \begin{frame}[b, plain, noframenumbering]
        \titlepage
    \end{frame}
}}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{frametitle}
{
    \vbox
    {
        \strut\insertframetitle\strut
    }
    \vskip-1.3ex
}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{headline}{ \vspace*{1.7 mm} }


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{footline}
{
    \hbox to \paperwidth
    {%
        \begin{beamercolorbox}[wd = 0.33\paperwidth,
                               ht = 2.25ex,
                               dp = 1ex]
                              {section in head/foot}

                \hfil
                \usebeamerfont{author in head/foot}
                \insertshortauthor
                \hfil
        \end{beamercolorbox}%
        \begin{beamercolorbox}[wd = 0.34\paperwidth,
                               ht = 2.25ex,
                               dp = 1ex]
                              {section in head/foot}

                \hfil
                \usebeamerfont{title in head/foot}
                \insertshorttitle
                \hfil
        \end{beamercolorbox}%
        \begin{beamercolorbox}[wd = 0.33\paperwidth,
                               ht = 2.25ex,
                               dp = 1ex]
                              {section in head/foot}

                \hfil
                \usebeamerfont{date in head/foot}
                \insertshortdate
                \hspace*{2em}
                \insertframenumber{} / \inserttotalframenumber
                \hspace*{2ex}
        \end{beamercolorbox}
    }
    \vskip0pt
}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newcommand{\hidelogo}{\logo{}}
\newcommand{\showlogo}
{
    \logo
    {
        \includegraphics[height = 0.1\paperheight]{UiB-images/UiB-emblem}
    }
}
\hidelogo


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%% Redefine blocks with larger indentations,
%% and some environmental colours:
\setbeamertemplate{block begin}
{
    \setbeamercolor{itemize item}      {fg = block title.bg}
    \setbeamercolor{itemize subitem}   {fg = block title.bg}
    \setbeamercolor{itemize subsubitem}{fg = block title.bg}
    \setbeamercolor{item projected}{fg = block title.fg,
                                    bg = block title.bg}
    \setbeamercolor{description item}{fg = alert}
    \setbeamercolor{caption name}    {fg = alert}

    \unskip
    \vskip1.3ex

    \begin{beamercolorbox}[ht        = 2.4  ex,
                           dp        = 1    ex,
                           leftskip  = 0.75 ex,
                           rightskip = 0.75 ex]
                          {block title}

        \usebeamerfont*{block title}
        \insertblocktitle
    \end{beamercolorbox}

    \nointerlineskip

    \usebeamerfont{block body}
    \begin{beamercolorbox}[dp        = 1    ex,
                           leftskip  = 0.75 ex,
                           rightskip = 0.75 ex,
                           vmode]
                          {block body}
        \vspace*{1ex}
        \begin{minipage}{\textwidth - 1.5ex}
}

\setbeamertemplate{block end}
{
        \end{minipage}
    \vskip0pt
    \end{beamercolorbox}
    \vskip1.3ex
}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{block example begin}
{
    \setbeamercolor{itemize item}      {fg = block title example.bg}
    \setbeamercolor{itemize subitem}   {fg = block title example.bg}
    \setbeamercolor{itemize subsubitem}{fg = block title example.bg}
    \setbeamercolor{item projected}{fg = block title example.fg,
                                    bg = block title example.bg}
    \setbeamercolor{description item}{fg = alert}
    \setbeamercolor{caption name}    {fg = alert}

    \unskip
    \vskip1.3ex

    \begin{beamercolorbox}[ht        = 2.4  ex,
                           dp        = 1    ex,
                           leftskip  = 0.75 ex,
                           rightskip = 0.75 ex]
                          {block title example}

        \usebeamerfont*{block title example}
        \insertblocktitle
    \end{beamercolorbox}

    \nointerlineskip

    \usebeamerfont{block body example}
    \begin{beamercolorbox}[dp        = 1    ex,
                           leftskip  = 0.75 ex,
                           rightskip = 0.75 ex,
                           vmode]
                          {block body example}
        \vspace*{1ex}
        \begin{minipage}{\textwidth - 1.5ex}
}

\setbeamertemplate{block example end}
{
        \end{minipage}
    \vskip0pt
    \end{beamercolorbox}
    \vskip1.3ex
}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{block alerted begin}
{
    \setbeamercolor{itemize item}      {fg = block title alerted.bg}
    \setbeamercolor{itemize subitem}   {fg = block title alerted.bg}
    \setbeamercolor{itemize subsubitem}{fg = block title alerted.bg}
    \setbeamercolor{item projected}{fg = block title alerted.fg,
                                    bg = block title alerted.bg}
    \setbeamercolor{description item}{fg = alert}
    \setbeamercolor{caption name}    {fg = alert}

    \unskip
    \vskip1.3ex

    \begin{beamercolorbox}[ht        = 2.4  ex,
                           dp        = 1    ex,
                           leftskip  = 0.75 ex,
                           rightskip = 0.75 ex]
                          {block title alerted}

        \usebeamerfont*{block title alerted}
        \insertblocktitle
    \end{beamercolorbox}

    \nointerlineskip

    \usebeamerfont{block body alerted}
    \begin{beamercolorbox}[dp        = 1    ex,
                           leftskip  = 0.75 ex,
                           rightskip = 0.75 ex,
                           vmode]
                          {block body alerted}
        \vspace*{1ex}
        \begin{minipage}{\textwidth - 1.5ex}
}

\setbeamertemplate{block alerted end}
{
        \end{minipage}
    \vskip0pt
    \end{beamercolorbox}
    \vskip1.3ex

}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%% Reference enumerate items
\newcommand{\enumref}[1]
{{%
    \leavevmode\unskip
    \def\insertenumlabel{\ref{#1}}
    \usebeamertemplate*{enumerate item}%
}}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%



\setbeamertemplate{section page}
{
    \begin{center}
        \vskip\baselineskip
        \insertsection
    \end{center}
}

\newcommand{\SectionPage}
{{
    \setbeamercolor{background canvas}{parent = section page}
    \begin{frame}[c, plain, noframenumbering]
        \sectionpage
    \end{frame}
}}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\mode<all>


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%% Translate environment names to Norwegian:
\uselanguage {spanish}
\languagepath{spanish}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%% Define additional theorem-like environments:
\declaretheorem[style   = plain,
                sibling = theorem,
                name    = {Conjetura}]
                {conjecture}
\declaretheorem[style   = plain,
                sibling = theorem,
                name    = {Hechos}]
                {facts}
\declaretheorem[style   = plain,
                sibling = theorem,
                name    = {Hipótesis}]
                {hypothesis}
\declaretheorem[style   = plain,
                sibling = theorem,
                name    = {Observación}]
                {observation}
\declaretheorem[style   = plain,
                sibling = theorem,
                name    = {Proposición}]
                {proposition}
\declaretheorem[style = definition,
                name  = {Suposición}]
                {assumption}
\declaretheorem[style = definition,
                name  = {Axioma}]
                {axiom}
\declaretheorem[style = definition,
                name  = {Propiedad}]
                {property}
\declaretheorem[style    = definition,
                numbered = no,
                name     = {Cálculo}]
                {calculation}
\declaretheorem[style    = definition,
                numbered = no,
                name     = {Cómputo}]
                {computation}
\declaretheorem[style   = definition,
                sibling = theorem,
                name    = {Notación}]
                {notation}
\declaretheorem[style = remark,
                name  = {Anotación}]
                {remark}
\declaretheorem[style   = remark,
                sibling = remark,
                name    = {Aclaración}]
                {remarks}


\endinput