3

I were annoyed by the buttons since I got nothing by clicking on them. But the little arrows besides them can navigate for me. The problem is that the arrows always invisible in the footline's black bg. Does there any way to highlight the arrows while hide the button? Thanks.

\documentclass[17pt]{ctexbeamer}  

\usetheme{Warsaw}  
\usecolortheme{whale}  
\makeatletter  
\defbeamertemplate*{footline}{mytheme}  
{%  
%\setbeamercolor{subsection in head/foot}{fg=structure.fg!25!white}  
\leavevmode%  
  \@tempdimb=2.4375ex%   
\ifnum\beamer@subsectionmax<\beamer@sectionmax%  
    \multiply\@tempdimb by\beamer@sectionmax%  
  \else%  
    \multiply\@tempdimb by\beamer@subsectionmax%  
  \fi%  
  \ifdim\@tempdimb>0pt%  
    \advance\@tempdimb by 1.825ex%  
\begin{beamercolorbox}[wd=.65\paperwidth,ht=.3\@tempdimb,left]{subsection in head/foot}%  
 \vbox to.3\@tempdimb{%  
       \vfill ~\color{white!75!black}\insertinstitute%~\(\cdot\)~\inserttitle
        \vfill%  
      }%
\end{beamercolorbox}%  
\begin{beamercolorbox}[wd=.35\paperwidth,ht=.3\@tempdimb,center]{section in head/foot}%  
 \vbox to.3\@tempdimb{%  
\usebeamercolor[black]{navigation symbols}%  
\vfill\insertframenavigationsymbol\hfill%  
~\color{yellow!75!black}\insertframenumber/\inserttotalframenumber\ %  
\usebeamerfont{date in head/foot}\color{white!75!black}\insertshortdate~{}%  
\vfill%  
}%  
\end{beamercolorbox}%  
  \fi%  
}  
\makeatother  

\title{高等数学}\subtittle{无穷级数}\author{Author}
\institute[short]{long}\date{\today}  

\begin{document}  

\frame{\titlepage}  

\end{document}
7

You can reduce the navigation symbols to only the slide navigation by setting another beamer template and change the color by changing navigation symbols dimmed.

\documentclass{beamer}

\defbeamertemplate*%
  {navigation symbols}%
  {reduced}%
  {\hbox{\insertslidenavigationsymbol}}

\setbeamercolor{navigation symbols dimmed}{fg=red}

\begin{document}

\begin{frame}
\end{frame}

\end{document}

enter image description here

  • Thanks. It works well except the middle button still stand some space. – MiGang May 17 '17 at 9:18

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