代码中需要更改的内容:
\usepackage{etoolbox}
\makeatletter
\patchcmd{\insertverticalnavigation}%
{\ifx\beamer@nav@css\beamer@hidetext{\usebeamertemplate{section in sidebar}}\else{\usebeamertemplate{section in sidebar shaded}}\fi}%
{{\usebeamertemplate{section in sidebar}}}{}{}
\makeatother
在 beamer 模板的垂直导航栏中同时突出显示节、小节和子小节?
答案1
这是您所寻求的行为吗?
\documentclass{beamer}
\mode<presentation>{\usetheme{Hannover}}
\makeatletter
\def\insertverticalnavigation#1{%
\vbox{%
\def\sectionentry##1##2##3##4##5{%
\ifnum##5=\c@part%
\def\insertsectionhead{##2}%
\def\insertsectionheadnumber{##1}%
\def\insertpartheadnumber{##5}%
\hbox to #1{{%
\usebeamerfont{section in sidebar}\usebeamercolor[fg]{section in sidebar}%
\hyperlink{Navigation##3}{%
\ifnum\c@section=##1%
\ifnum\c@subsection=0\relax%
{\usebeamertemplate{section in sidebar}}%
\else%
\ifx\beamer@nav@css\beamer@hidetext%
{\usebeamertemplate{section in sidebar}}%
\else%
{\usebeamertemplate{section in sidebar}}%
\fi%
\fi%
\else
{\usebeamertemplate{section in sidebar shaded}}%
\fi}}}%
\beamer@currentsubsection=0\relax\fi}%
\def\slideentry##1##2##3##4##5##6{}%
\def\beamer@subsectionentry##1##2##3##4##5{%
\ifnum##1=\c@part%
\def\insertpartheadnumber{##1}%
\def\insertsectionheadnumber{##2}%
\def\insertsubsectionheadnumber{##3}%
\def\insertsubsectionhead{##5}%
\beamer@tocifnothide{\ifnum\c@section=##2\ifnum\c@subsection=##3\beamer@nav@css\else\beamer@nav@oss\fi\else\beamer@nav@ooss\fi}%
{\hbox{{%
\usebeamerfont{subsection in sidebar}\usebeamercolor[fg]{subsection in sidebar}%
\hyperlink{Navigation##4}{%
\ifnum\c@section=##2%
\ifnum\c@subsection=##3%
\ifnum\c@subsubsection=0\relax%
{\usebeamertemplate{subsection in sidebar}}%
\else%
{\usebeamertemplate{subsection in sidebar}}%
\fi%
\else%
{\usebeamertemplate{subsection in sidebar shaded}}%
\fi%
\else%
{\usebeamertemplate{subsection in sidebar shaded}}%
\fi}}}%
}%
\fi}%
\def\beamer@subsubsectionentry##1##2##3##4##5##6{%
\ifnum##1=\c@part%
\def\insertpartheadnumber{##1}%
\def\insertsectionheadnumber{##2}%
\def\insertsubsectionheadnumber{##3}%
\def\insertsubsubsectionheadnumber{##4}%
\def\insertsubsubsectionhead{##6}%
\beamer@tocifnothide{\ifnum\c@section=##2\ifnum\c@subsection=##3\ifnum\c@subsubsection=##4\beamer@nav@css\else\beamer@nav@oss\fi\else\beamer@nav@ooss\fi\else\beamer@nav@ooss\fi}%
{\hbox{{%
\usebeamerfont{subsubsection in sidebar}\usebeamercolor[fg]{subsubsection in sidebar}%
\hyperlink{Navigation##5}{%
\ifnum\c@section=##2%
\ifnum\c@subsection=##3%
\ifnum\c@subsubsection=##4%
{\usebeamertemplate{subsubsection in sidebar}}%
\else
{\usebeamertemplate{subsubsection in sidebar shaded}}%
\fi%
\else%
{\usebeamertemplate{subsubsection in sidebar shaded}}%
\fi%
\else%
{\usebeamertemplate{subsubsection in sidebar shaded}}%
\fi}}}%
}%
\fi}%
%\beamer@currentsubsection=0\relax%
\dohead%
}%
}
\makeatother
\begin{document}
\section{1}
\subsection{a}
\subsubsection{i}\frame{}
\subsection{b}
\subsubsection{ii}\frame{}
\section{2}
\subsection{a}
\subsubsection{i}\frame{}
\subsection{b}
\subsubsection{ii}\frame{}
\end{document}