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% The outer Aalborg theme is derived from the outer sidebar theme which has the following
% copyright notice:
% Copyright 2007 by Till Tantau
% This file may be distributed and/or modified under the GNU Public License.
%
% See the file doc/licenses/LICENSE for more details.
% <end of copyright notice>
%
% All the changes are (c) 2012 by Jesper Kjær Nielsen <jkn@es.aau.dk> and are
% provided under the same license. (GPLv3)
%
% This program is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You can find the GNU General Public License at <http://www.gnu.org/licenses/>.
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{beamerouterthemeAalborg}[2012/01/17 v0.1.1 The Aalborg Beamer Theme]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Load required packages
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\RequirePackage{tikz}
\RequirePackage{calc}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Theme options and definitions
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%theme options
\newlength{\beamer@width}
\setlength{\beamer@width}{2cm}
\DeclareOptionBeamer{width}{\beamer@width=#1}
\DeclareOptionBeamer{left}{\def\beamer@sidebarside{left}}
\DeclareOptionBeamer{right}{\def\beamer@sidebarside{right}}
\DeclareOptionBeamer{hideothersubsections}[]{\beamer@nav@subsectionstyle{show/show/hide}}
\DeclareOptionBeamer{hideallsubsections}[]{\beamer@nav@subsectionstyle{hide}}
\DeclareOptionBeamer{hidetitle}{\def\beamer@hidetitle{true}}
\DeclareOptionBeamer{hideauthor}{\def\beamer@hideauthor{true}}
\DeclareOptionBeamer{hideinstitute}{\def\beamer@hideinst{true}}
\DeclareOptionBeamer{shownavsym}{\def\beamer@shownavsym{true}}
\ExecuteOptionsBeamer{right}
\ProcessOptionsBeamer
%the height of the header is 2.5 times the lineheight of the frame title
\newlength{\beamer@height}
\usebeamerfont{frametitle} %use the frame title font
\setlength{\beamer@height}{2.5\baselineskip}
\reset@font %reset fonts
\def\beamer@lefttext{left} %used for comparison below
%width of vertical bar separating the main text from the sidebar
\newlength{\beamer@barwidth}
\setlength{\beamer@barwidth}{\beamer@height/10} %the bar width depends on the header height (by a factor of 10)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%beamer specific options
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\mode<presentation>%refers to the first four modes (beamer,handout,second and trans). That is, to all modes except the article mode
{
\ifbeamercolorempty[fg]{Aalborg}{%
%define the Aalborg color if it is not defined (which may be due to that the Aalborg color theme is not loaded)
\setbeamercolor{Aalborg}{use={structure,palette sidebar primary},fg=palette sidebar primary.fg,bg=structure.fg}
}{%
%aau header is defined - nothing to do
}
\setbeamersize{sidebar width \beamer@sidebarside=\beamer@width}
\setbeamersize{text margin left=0.5cm,text margin right=0.5cm}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%templates
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%frame title
\defbeamertemplate*{frametitle}{Aalborg theme}{%
\begin{minipage}[c][\beamer@height][c]{\textwidth}
{\usebeamercolor[fg]{frametitle}\usebeamerfont{frametitle}\insertframetitle\par}%
{\usebeamercolor[fg]{framesubtitle}\usebeamerfont{framesubtitle}\insertframesubtitle\par}%
\end{minipage}
}
%sidebar
\defbeamertemplate*{sidebar \beamer@sidebarside}{Aalborg theme}{%
\Aalborgbackground%
\vspace{\beamer@height}%
\vspace{2\baselineskip}\par%
\ifx\beamer@hidetitle\undefined% insert short title
\vspace{-\baselineskip}
\hspace{0.05\beamer@width}%
{%
\usebeamercolor[fg]{title in sidebar}
\usebeamerfont{title in sidebar}%
\insertshorttitle[width={0.9\beamer@width},center,respectlinebreaks]
}%
\hspace{0.05\beamer@width}
\vspace{2\baselineskip}\par%
\fi
\ifx\beamer@hideauthor\undefined% insert short author
\vspace{-\baselineskip}
\hspace{0.05\beamer@width}%
{%
\usebeamercolor[fg]{author in sidebar}
\usebeamerfont{author in sidebar}%
\insertshortauthor[width={0.9\beamer@width},center,respectlinebreaks]
}
\hspace{0.05\beamer@width}
\vspace{\baselineskip}\par%
\fi
\insertverticalnavigation{\beamer@width}%
\strut\vfill%
\ifx\beamer@hideinst\undefined% insert short institute
\vbox{\hspace{0.05\beamer@width}%
{%
\usebeamercolor[fg]{title in sidebar}
\usebeamerfont{subtitle in sidebar}%
\insertshortinstitute[width={0.9\beamer@width},center,respectlinebreaks]
}
\hspace{0.05\beamer@width}%
\vspace*{\baselineskip}
}%
\fi
\ifx\beamer@shownavsym\undefined% insert navigation symbols
%do nothing
\else
%insert the navigation symbols if the sidebar is on the right
\ifx\beamer@sidebarside\beamer@lefttext %sidebar on the left
%do nothing
\else
\vspace*{-2\baselineskip}
\llap{\usebeamertemplate***{navigation symbols}\hskip0.4cm}
\vskip2pt
\fi
\fi
}
% When the sidebar is on the left, the default theme places a logo in the bottom right of the slide (this is NOT the case, when the sidebar is on the right). We remove this logo.
\ifx\beamer@sidebarside\beamer@lefttext %sidebar on the left
\defbeamertemplate*{sidebar right}{Aalborg theme}{%
% remove the logo and insert the navigation symbols if option is set
\ifx\beamer@shownavsym\undefined% insert navigation symbols
%do nothing
\else %insert navigation symbols
\vfill%
\llap{\usebeamertemplate***{navigation symbols}\hskip0.4cm}
\vskip2pt
\fi
}
\fi
% current section in the sidebar
\defbeamertemplate*{section in sidebar}{Aalborg theme}{%
\vbox{%
\vskip1ex% add some extra space when inserting a new section
\sidebarnavitem{4pt}{section in sidebar}{%
\sidebarcurframe{-4pt}{\insertframenumber}%
\insertsectionhead
}
}
}
% all section in the sidebar but the current
\defbeamertemplate*{section in sidebar shaded}{Aalborg theme}{%
\vbox{%
\vskip1ex% add some extra space when inserting a new section
\sidebarnavitem{4pt}{section in sidebar shaded}{\insertsectionhead}
}
}
% current subsection in the sidebar
\defbeamertemplate*{subsection in sidebar}{Aalborg theme}{%
\sidebarnavitem{6pt}{subsection in sidebar}{
\sidebarcurframe{-6pt}{\insertframenumber}%
\insertsubsectionhead
}
}
% all subsection in the sidebar but the current
\defbeamertemplate*{subsection in sidebar shaded}{Aalborg theme}{%
\sidebarnavitem{6pt}{subsection in sidebar shaded}{\insertsubsectionhead}
}
% current subsubsection in the sidebar
\defbeamertemplate*{subsubsection in sidebar}{Aalborg theme}{%
\sidebarnavitem{8pt}{subsubsection in sidebar}{
\sidebarcurframe{-8pt}{\insertframenumber}%
\insertsubsubsectionhead
}
}
% all subsubsection in the sidebar but the current
\defbeamertemplate*{subsubsection in sidebar shaded}{Aalborg theme}{%
\sidebarnavitem{8pt}{subsubsection in sidebar shaded}{\insertsubsubsectionhead}
}
%remove the navigation symbols from the title page if the option is not set
\ifx\beamer@shownavsym\undefined% insert navigation symbols
\setbeamertemplate{navigation symbols}{%
%disable navigation symbols
}
\fi
}%end of beamer specific options
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Macros used in the theme
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% the background in the header and the sidebar
\newcommand{\Aalborgbackground}[0]{%
\begin{tikzpicture}[remember picture,overlay]
\ifx\beamer@sidebarside\beamer@lefttext% sidebar on the left
\coordinate (UC) at (\paperwidth,0); %upper right corner of the slide
\coordinate (LC) at (0,-\paperheight); %lower left corner of the slide
\coordinate (BS) at (\paperwidth,-\beamer@height); %start coordinate of the bar
\coordinate (BE) at (\beamer@width+\beamer@barwidth/2,-\paperheight); %end coordinate of the bar
\else% sidebar on the right
\coordinate (UC) at (-\paperwidth+\beamer@width,0); %upper left corner of the slide
\coordinate (LC) at (\beamer@width,-\paperheight); %lower right corner of the slide
\coordinate (BS) at (-\paperwidth+\beamer@width,-\beamer@height); %start coordinate of the bar
\coordinate (BE) at (-\beamer@barwidth/2,-\paperheight); %end coordinate of the bar
\fi
\coordinate (IS) at (BS -| BE); %intersection
\coordinate (logopos) at (\beamer@width/2,-\beamer@height/2);%coordinate of the logo
%draw the background of the header and the sidebar
{\usebeamercolor{palette sidebar primary}%
\fill[fill=palette sidebar primary.bg] (BS) {[rounded corners=8pt] -- (IS)} -- (BE) -- (LC) |- (UC) -- cycle;}
%draw the thick line
{\usebeamercolor{Aalborg}%
\draw[color=fg,line width=\beamer@barwidth,rounded corners=8pt] (BS) -- (IS) -- (BE);
}
%insert the total number of frames
{%
\usebeamercolor{palette sidebar primary}%
\usebeamercolor{Aalborg}%
\usebeamerfont{subsection in sidebar}%
\node[fill=palette sidebar primary.bg,draw=Aalborg.fg,circle,very thick,minimum width=4mm] at ([yshift=2mm] BE) {{\usebeamercolor[fg]{subsection in sidebar}\inserttotalframenumber}};
}
%insert the logo
\node at (logopos) {\insertlogo};
\end{tikzpicture}%
}
% sidebar navigation item
\newcommand{\sidebarnavitem}[3]{%
\begin{beamercolorbox}[wd=\beamer@width,leftskip=#1,rightskip=1ex plus1fil,vmode]{#2}
\vbox{}% insert a blank line
#3\par%
\vbox{}% insert a blank line
\vskip-1.5ex%
\end{beamercolorbox}
}
% current frame number
\newcommand{\sidebarcurframe}[2]{%
\begin{tikzpicture}[remember picture,overlay]
\coordinate (CS) at (0,0.8ex); % coordinate of the current section
\coordinate (CF) at (IS |- CS); % coordinate of the current frame number
{%
\usebeamercolor{palette sidebar primary}%
\usebeamercolor{Aalborg}%
\draw[color=bg,line width=\beamer@barwidth,rounded corners=8pt] (BS) -| (CF);
\node[fill=palette sidebar primary.bg,draw=Aalborg.bg,circle,minimum width=3.5mm,thick] at (CF) {{\fontsize{4}{5}\selectfont{\usebeamercolor[fg]{subsection in sidebar}#2}}};
}
\end{tikzpicture}%
}
\mode<all>