beamerthemehust.sty

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{beamerthemehust}[Beamer HUST theme]
% Requirement
\RequirePackage{tikz}
\RequirePackage{xparse}
\RequirePackage{calc}
\usetikzlibrary{positioning,shadows}
\mode<presentation>

% Detect if using which aspectratio, only support 169 and 43
\newif\iflongslide
\pgfmathparse{(\paperwidth / \paperheight) > 1.5}
\let\longslide\pgfmathresult
\if\longslide1
	\longslidetrue
\else
	\longslidefalse
\fi

% Settings
\usecolortheme{hust}
\usefonttheme{hust}
\useinnertheme{hust}
\useoutertheme{hust}

% sizes
\setbeamersize{sidebar width left=0pt}
\setlength{\headsep}{2.25ex}

%
% Aligning the title
%
\def\hust@titlealign{flushleft}
\DeclareOption{titleleft}{
    \def\hust@titlealign{flushleft}
}
\DeclareOption{titlecenter}{
    \def\hust@titlealign{center}
}
\DeclareOption{titleright}{
    \def\hust@titlealign{flushright}
}
%
% Aligning the authors
%
\def\hust@authoralign{flushright}
\DeclareOption{authorleft}{
    \def\hust@authoralign{flushleft}
}
\DeclareOption{authorcenter}{
    \def\hust@authoralign{center}
}
\DeclareOption{authorright}{
    \def\hust@authoralign{flushleft}
}
%
% Show list of section at beginning
% of every sections
%
\newif\ifshowsections
\DeclareOption{showsections}{\showsectionstrue}
\DeclareOption{noshowsections}{\showsectionsfalse}
\AtBeginDocument{
    \ifshowsections
        \AtBeginSection[] {
            \begin{framex}[plain, noframenumbering]
                \tableofcontents[currentsection]
            \end{framex}
        }
    \fi
}
%
% Foot line show (sub)section or not
%
\newif\iffootlinesection
\DeclareOption{footlinesection}{\footlinesectiontrue}
\DeclareOption{nofootlinesection}{\footlinesectionfalse}
\newif\iffootlinesubsection
\DeclareOption{footlinesubsection}{\footlinesubsectiontrue}
\DeclareOption{nofootlinesubsection}{\footlinesubsectionfalse}
%
% Foot line show total number of pages
%
\newif\ifshowtotalpage
\showtotalpagefalse
\DeclareOption{showtotalpage}{\showtotalpagetrue}
\DeclareOption{noshowtotalpage}{\showtotalpagefalse}
\ProcessOptions

% height for images
\AtBeginDocument{
    \newcommand{\imgheight}{0.7\textheight}
}

% Alt frac for page number instead of nicefrag
% Source:
% https://tex.stackexchange.com/questions/515264/nicefrac-or-xfrac-in-displaystyle
\newcommand{\altfrac}[2]{
    {%
        \raisebox{.5\ht\strutbox}{#1}%
        \kern-2.2pt%
        \rotatebox{-10}{\scalebox{1.5}[1.8]{/}}%
        \kern-2.8pt%
        \raisebox{-.25\ht\strutbox}{#2}%
    }
}

% navigation and foot line
\setbeamertemplate{navigation symbols}{}

\newlength{\mysectionlength}
\newlength{\mysubsectionlength}

\newdimen\barwidth
\barwidth=20pt
\newdimen\fabsize
\fabsize=13pt
\newdimen\sectextheight
%\setbeamertemplate{footline}{%
%    % Determine what to display on the
%    % section part of the footline
%    \iffootlinesection
%        \iffootlinesubsection
%            \newcommand{\flsectext}{%
%                \usebeamertemplate{section}%
%            \ifx\insertsubsection\empty\else%
%                ${}\blacktriangleright{}$%
%                \usebeamertemplate{subsection}%
%            \fi%
%        }
%        \else
%        \newcommand{\flsectext}{\usebeamertemplate{section}}
%        \fi
%        \else
%        \iffootlinesubsection
%            \newcommand{\flsectext}{\usebeamertemplate{subsection}}
%        \else
%            \newcommand{\flsectext}{}
%        \fi
%        \fi %
%        \iffootlinesection
%            \vspace*{\barwidth}
%        \fi
%        \begin{tikzpicture}[overlay]
%            \settoheight{\sectextheight}{\flsectext}
%            \iffootlinesection
%                \fill[hustred] (0,0) %
%                    rectangle(\paperwidth, \barwidth);
%                % Draw section text
%                \draw[white!75] node %
%                    [align = left,anchor = west]%
%                    at (\barwidth-\fabsize, 0.5\barwidth - 0.5\sectextheight)
%                    {\flsectext};
%            \fi
%
%            % The white cut
%            \iffootlinesection
%                %% Only draw this cut line when
%                % showing section
%                \fill[white] %
%                    (\paperwidth -\barwidth, \barwidth) %
%                    circle(\fabsize + 2pt);
%            \fi
%            % Shadow on FAB
%            %\fill[hustyellow!10] %
%            %   (\paperwidth -\barwidth+0.5pt, \barwidth-0.5pt) %
%            %   circle(\fabsize);
%            %\fill[black!20!hustyellow] %
%            %   (\paperwidth -\barwidth, \barwidth-0.5pt) %
%            %   circle(\fabsize);
%            % FAB
%            \fill[circular drop shadow, white!20!hustyellow] %
%                (\paperwidth -\barwidth, \barwidth) %
%                circle(\fabsize);
%            \draw[black!75] %
%                (\paperwidth -\barwidth, \barwidth)%
%                node [rectangle, text centered] %
%                {\centering\ifshowtotalpage
%                        \usebeamertemplate{framenumber with total}
%                    \else
%                        \usebeamertemplate{framenumber}
%                    \fi
%                };
%        \end{tikzpicture}
%    }

    % redefine base frame
%
%    \renewenvironment*{beamer@frameslide}{%
%        \ifbeamer@autobreak\else%
%            \ifx\beamer@againname\@empty%
%                {\let\@elt\beamer@restorecounter\beamer@overlaycounterresets}%
%            \else%
%                {\let\@elt\beamer@labelrestorecounter\beamer@overlaycounterresets}%
%            \fi%
%            \fi%
%            \global\c@beamerpauses=1\relax%
%            \expandafter\ifblank\expandafter{\beamer@framestartpage}{%
%                    \stepcounter{subsectionslide}%
%                    \xdef\beamer@framestartpage{\the\c@page}% only first time
%                }{\clearpage\beamer@notesactions}% cleanup from previous slide
%                \hypersetup{pdfpagetransition=R}%
%                \hypersetup{pdfpageduration=}%
%                \@ifundefined{thispdfpagelabel}{}{%
%                \thispdfpagelabel{\insertframenumber}}%
%                \xdef\beamer@frameendpage{\the\c@page}% every time
%                \xdef\beamer@slidenumber{\the\numexpr\c@page-\beamer@framestartpage+1\relax}%
%                \xdef\beamer@overlaynumber{\the\beamer@slideinframe}%
%                \beamer@setuplinks%
%                \beamer@displaybreak%
%                \global\setbox\beamer@zoombox=\box\voidb@x%
%                \def\beamer@zoomer{}%
%                \beamer@slidehaszoomfalse%
%                \gdef\insertframetitle{}%
%                \gdef\insertframesubtitle{}%
%                \gdef\beamer@frametitle{}%
%                \gdef\beamer@shortframetitle{}%
%                \gdef\beamer@framesubtitle{}%
%                \let\beamer@startcomment=\beamer@startcommentinframe%
%                % Start slide:
%                \beamer@framenotesbegin%
%                \global\setbox\beamer@framebox=\vbox\bgroup%
%                \beamer@inframetrue%
%                \let\frame=\framelatex% inside frames, use LaTeX's \frame command
%                \begin{beamer@framepauses}%
%                    \refcounter{framenumber}%use frame number for  \label
%                    \ifbeamer@shrink%
%                        \hsize=\beamer@shrinkfactorinv\hsize%
%                        \textwidth=\beamer@shrinkfactorinv\textwidth%
%                        \linewidth=\beamer@shrinkfactorinv\linewidth%
%                    \fi%
%                    % Insert labels if necessary:
%                    \ifx\beamer@againname\@empty\else%
%                        \nointerlineskip\vbox to0pt{\vss%
%                            \label<\the\beamer@slideinframe>{\beamer@againname<\the\beamer@slideinframe>}%
%                            \ifnum\beamer@slideinframe=1\relax%
%                                \label<1>{\beamer@againname}%
%                            \fi%
%                        }\nointerlineskip%
%                        \fi%
%                        \ifx\beamer@framehypertargets\@empty\else%
%                            \nointerlineskip\vbox to0pt{\vss%
%                                \beamer@framehypertargets%
%                                \global\let\beamer@framehypertargets\@empty%
%                            }\nointerlineskip%
%                        \fi%
%                        \vskip-\parskip\vbox{}%
%                        \ifbeamer@plainframe\nointerlineskip\fi%
%                    \beamer@checkframetitle}%
%                    {\par
%                    \end{beamer@framepauses}%
%                    \egroup%
%                    \ifx\beamer@frametitle\@empty%
%                        \setbox\beamer@frametitlebox=\vbox{%
%                            \vbox{}%
%                            {\parskip0pt\usebeamertemplate***{noframetitle}\vskip0.25em}%
%                        }%
%                    \else%
%                        \setbox\beamer@frametitlebox=\vbox{%
%                            \vbox{}%
%                            {\parskip0pt\usebeamertemplate***{frametitle}\vskip0.25em}%
%                        }%
%                    \fi%
%                    \ifbeamer@plainframe%
%                        \beamer@frametextheight=\paperheight%
%                    \else%
%                        \beamer@frametextheight=\textheight%
%                    \fi%
%                    \advance\beamer@frametextheight by-\ht\beamer@frametitlebox%
%                    \advance\beamer@frametextheight by-\dp\beamer@frametitlebox%
%                    \advance\beamer@frametextheight by-\beamer@frametopskip%
%                    \ifbeamer@shrink%
%                        \beamer@shrinkframebox%
%                    \fi%
%                    \ifx\beamer@zoomer\@empty
%                        \setbox\beamer@framebox=\vbox{%
%                            \nobreak\vbox{}\nobreak\par\nobreak\beamer@entrycode\nobreak%
%                            \nointerlineskip\unvbox\beamer@frametitlebox%
%                            \nobreak%
%                            \ifbeamer@autobreak%
%                                \vskip\beamer@frametopskipautobreak%
%                            \else%
%                                \vskip\beamer@frametopskip%
%                            \fi%
%                            \nobreak%
%                            \nointerlineskip\box\beamer@zoombox\nointerlineskip%
%                            \nobreak%
%                            \ifbeamer@slidehaszoom\box\beamer@framebox\else\unvbox\beamer@framebox\fi%
%                            % bottom skip is added in autobreakframebox
%                        }%
%                        \beamer@autobreakframebox%
%                        \else%
%                        \beamer@zoomer%
%                        \fi%
%                        \beamer@undolabels%
%                        \beamer@framenotesend%
%                        \box\beamer@framebox
%                    }
%
%
%                    \endinput