beamerthemetutorial.sty

%============================================================
% 	Theme		::	`tutorial' Beamer Theme
%					-- BASED on Szeged (Till Tantau)
%					----------------------------------------
%	Color		::	Self-Contained
%					-- mainly `whale' Beamer Color Theme
%					-- with Rich Black, Beach Pink & Teal
%					----------------------------------------
%	Font		::	Fira Sans Beamer Font Theme
%					-- Mozilla's Fira Sans Typeface
%					-- FROM Metropolis (Matthias Vogelgesang)
%					-- use XeLaTeX for better visual effects
%					----------------------------------------
%	Author		::	Xu, Minjie (Jeff)
%	Created		::	2016-02-10
%	Updated		::	April 07, 2016 at 08:08PM (CST)
%	Version		::	0.3.6
%	Contact		::	GitHub.com/jeffmxu
%					-----------------------------------------
% 	License		::	LPPL 1.3c or later
%					GNU GPLv4 or later
%					CC-BY-SA 4.0 or later
% 	Notice		::	Copyright 2016 XU Minjie (Jeff)
%					This `tutorial' beamer theme may be distributed and/or modified under the LaTeX Project Public License (version 1.3 or later) and/or under the GNU General Public License (version 3.0 or later).
%					This `tutorial' beamer theme is also required to be licensed under the Creative Commons Attribution-ShareAlike 4.0 International License (or any later version).
%					----------------------------------------
%	Description	::	`tutorial' beamer theme is BUILT mimicing Szeged beamer theme from Beamer class of Till Tantau.
%					Its design IDEA and FONT theme comes FROM Metropolis of Matthias Vogelgesang (GitHub.com/matze).
%	Purpose		::	Designed for a TRADITIONAL academic presentation with a MODERN taste --- originally for economics tutorials
%============================================================



%============================================================
%	Contents	::	01. PACKAGE OPTIONS & SETUP
%					02. PACKAGES & (BEAMER) THEMES
%					-----------------------------------------
%					03. COLOR SPECIFICATIONS
%					04. SYMBOL SPECIFICATIONS
%					-----------------------------------------
%					05. HEADLINE & FOOTLINE
%					06. FRAMETITLE
%					07. TITLE PAGE
%					08. TABLE OF CONTENTS
%					09. REFERENCE PAGE
%============================================================



%============================================================
%	01. PACKAGE OPTIONS & SETUP
%------------------------------------------------------------
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{beamerthemetutorial}[2016/03/28 `tutorial' Beamer Theme v0.3.6]
%------------------------------------------------------------
\DeclareOptionBeamer{compress}{\beamer@compresstrue}% not sure about this

\newif\if@useLightTheme
\@useLightThemefalse
\DeclareOptionBeamer{light}{\@useLightThemetrue}

\newif\if@useMinimalTheme
\@useMinimalThemefalse
\DeclareOptionBeamer{minimal}{\@useMinimalThemetrue}

\ProcessOptionsBeamer
\mode<presentation>
%============================================================



%============================================================
%	02. TIKZ & THEMES
%------------------------------------------------------------
\RequirePackage{tikz}%wasysym
\usetikzlibrary{fadings}%backgrounds, calc, 
%------------------------------------------------------------
%\usecolortheme{whale}% color theme imported below
\usefonttheme{fira}
\linespread{1.15}
%============================================================



%============================================================
%	03. COLOR SPECIFICATIONS
%------------------------------------------------------------
\definecolor{BlendedBlue}{rgb}{.2,.2,.7}% beamer@blendedblue
\definecolor{RichBlack}{cmyk}{.5,.5,.5,1}
\definecolor{BeachPink}{cmyk}{0,.87,.68,0}
\definecolor{BeachTeal}{cmyk}{.86,0,.24,.29}
%------------------------------------------------------------
\setbeamercolor{structure}{bg=white}% fg=BlendedBlue
\setbeamercolor{normal text}{fg=RichBlack}% bg=white
\setbeamercolor{alerted text}{fg=BeachPink}
\setbeamercolor{example text}{fg=BeachTeal}
%------------------------------------------------------------
\setbeamercolor*{palette primary}{use=structure, fg=structure.bg, bg=structure.fg}% opposite structure
%\setbeamercolor*{palette secondary}{use=structure, fg=structure.fg!75!black, bg=structure.bg}%
%\setbeamercolor*{palette tertiary}{use=structure, fg=structure.bg, bg=structure.fg!50!black}
%\setbeamercolor*{palette quaternary}{use=normal text, fg=normal text.bg, bg=normal text.fg}

%\setbeamercolor*{sidebar}{use=structure, bg=structure.fg}% fg=?
%\setbeamercolor*{palette sidebar primary}{use=structure,fg=structure.fg!10}
%\setbeamercolor*{palette sidebar secondary}{use=structure, fg=structure.bg}
%\setbeamercolor*{palette sidebar tertiary}{use=structure, fg=structure.fg!50}
%\setbeamercolor*{palette sidebar quaternary}{use=structure, fg=structure.bg}

%\setbeamercolor*{separation line}{}
%\setbeamercolor*{fine separation line}{}

\if@useLightTheme%
	\setbeamercolor*{titlelike}{parent=structure}
	\setbeamercolor*{section in head/foot}{use=structure, fg=structure.fg!75!black, bg=structure.bg}
\else%
	\setbeamercolor*{titlelike}{use=structure, fg=structure.bg, bg=structure.fg}
	\setbeamercolor*{section in head/foot}{use=structure, fg=structure.bg, bg=structure.fg!75!black}
\fi%
\setbeamercolor*{title page}{parent=structure}
\if@useMinimalTheme%
	\setbeamercolor*{footline}{parent=use=normal text, fg=normal text.fg!40, bg=normal text.bg}
\else%
	\setbeamercolor*{footline}{parent=section in head/foot}
\fi%
%============================================================



%============================================================
%	04. SYMBOL SPECIFICATIONS
%------------------------------------------------------------
%\setbeamertemplate{itemize item}{\raisebox{.5pt}{$\Circle$}}% requires WASYSYM package
%\setbeamertemplate{itemize subitem}{$\circ$}%
%\setbeamertemplate{itemize subsubitem}{\raisebox{.5pt}{\scriptsize$\circ$}}%
\if@useLightTheme%
	\setbeamertemplate{itemize item}{\raisebox{.08ex}{$\vartriangleright$}}
	\setbeamertemplate{itemize subitem}{\raisebox{.08ex}{$\vartriangleright$}}%\footnotesize
	\setbeamertemplate{itemize subsubitem}{\raisebox{.08ex}{$\vartriangleright$}}%\tiny
\fi%
%------------------------------------------------------------
\setbeamertemplate{caption label separator}{\enskip}%
%------------------------------------------------------------
\setbeamertemplate{navigation symbols}{}%
%============================================================



%============================================================
%	05. HEADLINE & FOOTLINE
%------------------------------------------------------------
\setbeamertemplate{headline}{%
	\if@useMinimalTheme%
		% no headline if minimalist
	\else%
		\begin{beamercolorbox}{section in head/foot}
			\vskip2pt%
			{\ifnum\insertpagenumber=1%
				\pgfsetfillopacity{0}%
			\fi}%
			\insertsectionnavigationhorizontal{\paperwidth}{}{}%\insertnavigation
			\pgfsetfillopacity{1}%
			\if@useLightTheme%
			%	\vskip-2pt%
			\else%
				\vskip2pt%
			\fi%
		\end{beamercolorbox}%
	\fi%
}%
%------------------------------------------------------------
\setbeamertemplate{footline}{%
	\leavevmode%
	\hbox{%
		\if@useMinimalTheme%
			\ifnum\insertpagenumber=1%
				\begin{beamercolorbox}[wd=\paperwidth, ht=2.5ex, dp=1.125ex]{footline}\end{beamercolorbox}%
				% no visual effect but to debug
			\else%
				\begin{beamercolorbox}[wd=\paperwidth, ht=2.5ex, dp=1.125ex, right, rightskip=1.125ex]{footline}%
					\usebeamerfont{page number in head/foot}%
					\insertframenumber%/\inserttotalframenumber%
				\end{beamercolorbox}%
			\fi%
		\else%
			\ifnum\insertpagenumber=1%
				\begin{beamercolorbox}[wd=\paperwidth, ht=2.5ex, dp=1.125ex, center]{footline}\end{beamercolorbox}%
			\else%
				\begin{beamercolorbox}[wd=.312\paperwidth, ht=2.5ex, dp=1.125ex, center]{footline}%
					\usebeamerfont{author in head/foot}%
					\insertshortauthor%~~\beamer@ifempty{\insertshortinstitute}{}{}%
				\end{beamercolorbox}%
				\begin{beamercolorbox}[wd=.312\paperwidth, ht=2.5ex, dp=1.125ex, center]{footline}%
					\usebeamerfont{title in head/foot}%
					\insertshorttitle%
				\end{beamercolorbox}%
				\begin{beamercolorbox}[wd=.312\paperwidth, ht=2.5ex, dp=1.125ex, center]{footline}%
					\usebeamerfont{institute in head/foot}%
					\insertshortinstitute%
				\end{beamercolorbox}%
				\begin{beamercolorbox}[wd=.064\paperwidth, ht=2.5ex, dp=1.125ex, right, rightskip=1.125ex]{footline}%
					\usebeamerfont{page number in head/foot}%
					\insertframenumber/\inserttotalframenumber%
				\end{beamercolorbox}%
			\fi%
		\fi%
	}%
}%
%============================================================



%============================================================
%	06. FRAMETITLE
%------------------------------------------------------------
\newdimen\frametitleheight%
\newdimen\frametitledepth%
\setbeamertemplate{frametitle}{%
	\nointerlineskip%
	\if@useMinimalTheme%
		\frametitleheight=2.5ex%
		\frametitledepth=1.2ex%
	\else%
		\frametitleheight=2.25ex%
		\frametitledepth=1ex%
	\fi%
	\begin{beamercolorbox}[wd=\paperwidth,leftskip=.3cm,ht=\frametitleheight,dp=\frametitledepth]{frametitle}%
		\usebeamerfont{frametitle}{\insertframetitle}%
	\end{beamercolorbox}%
}%
%============================================================



%============================================================
%	07. TITLE PAGE
%------------------------------------------------------------
\tikzfading[name=fading line, left color=transparent!0, middle color=transparent!0, right color=transparent!100]

\newdimen\titlepage@upperheight	% upper part height
\newdimen\titlepage@lowerheight	% lower part height
	\titlepage@upperheight=.5\paperheight%
	\titlepage@lowerheight=.5\paperheight%

\def\maketitle{%
	\ifbeamer@inframe%
		\advance\titlepage@upperheight by -\headheight%
		\advance\titlepage@lowerheight by -\footheight%
		\addtocounter{framenumber}{-1}%
		\titlepage%
	\else%
		\frame[plain,noframenumbering]{\titlepage}%
	\fi%
	}%

\def\titlepage{%
	\thispdfpagelabel{title}%
	\usebeamertemplate{title page}%
	}%

% complication for arbitrary color theme adoption
% commented command CANNOT update TITLE LINE color
\AtBeginDocument{%
	\newcommand\fadingtitleline{%
	\tikz[baseline]\fill[title page.fg, path fading=fading line, thin, line width=0pt, line cap=butt] (0,0) rectangle (\textwidth,.1pt);
	%{\usebeamercolor{title page}\tikz[baseline]\path[left color=fg, middle color=fg, right color=bg] (0,0) rectangle (\textwidth,.1pt);}%
	}%
}%

\setbeamertemplate{title page}{%
	\begin{minipage}[b][\titlepage@upperheight]{\textwidth}%
		{\usebeamercolor[fg]{title page}%
			{\usebeamerfont{title}\inserttitle\par}
			\vskip\medskipamount%
			{\usebeamerfont{subtitle}\insertsubtitle\par}%
		}%
		\fadingtitleline%
		% commented command CANNOT update TITLE LINE color
		%\begin{tikzpicture}[baseline]
		%	\usebeamercolor{title page}%
		%	\path[left color=fg, middle color=bg, right color=bg] (0,0) rectangle (\textwidth,.1pt);%
		%\end{tikzpicture}%
	\end{minipage}
	\begin{minipage}[t][\titlepage@lowerheight]{\textwidth}%
		\vskip\smallskipamount%
		{\usebeamerfont{author}\insertauthor\par}
		\vskip\smallskipamount%
		{\usebeamerfont{institute}\insertinstitute\par}
		\vskip\bigskipamount%
		{\usebeamerfont{date}\insertdate\par}
		%\vfill\raggedleft\inserttitlegraphic%
	\end{minipage}
}%
%============================================================



%============================================================
%	08. TABLE OF CONTENTS
%------------------------------------------------------------
\setbeamertemplate{section in toc}[sections numbered]
%============================================================



%============================================================
%	09. REFERENCE PAGE
%------------------------------------------------------------
\setbeamertemplate{bibliography item}[text]%
%============================================================



\mode<all>
% End of file `beamerthemetutorial.sty'