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I am trying to add "Chapter" before the chapter number in the ToC.

The code I am using is

\makeatletter
\patchcmd\@chapter
  {\numberline {\thechapter }}
  {\@chapapp~ \numberline {\thechapter }}
  {}{}
\makeatother

However, it causes many conflicts with other parts in the .cls file. For example,

\usepackage{calc}
\newcommand{\t@cfill}{\cleaders\hbox{$\m@th \mkern\@dotsep mu . \mkern\@dotsep mu$}\hfill}
\newcommand{\abbrl@bel}[1]{\makebox[\labelwidth][l]{\textbf{#1}\ \t@cfill}}
\newenvironment{mclistof}[2]{%
   \chapter*{#1}%
   \addcontentsline{toc}{chapter}{#1}
   \begin{list}{}%
   {\renewcommand{\makelabel}{\abbrl@bel}%
    \setlength{\labelwidth}{#2}%
    \setlength{\leftmargin}{\labelwidth+\labelsep}%
    \setlength{\itemsep}{0pt}%
    \markboth{#1}{#1}%
   }}
   {\end{list}\mtcaddchapter}

\newenvironment{alwayssingle}{%
       \@restonecolfalse\if@twocolumn\@restonecoltrue\onecolumn
       \else\newpage\fi}
       {\if@restonecol\twocolumn\else\newpage\fi}
\newcommand{\@acknowledgementstitle}{Acknowledgements}

\newenvironment{acknowledgements}{
\cleardoublepage
\begin{alwayssingle}
% \setsinglecolumn
\chapter*{Acknowledgements}
\thispagestyle{plain}
\pagestyle{plain}
}
{\end{alwayssingle}}

MWE

\documentclass[12pt]{book}
\usepackage{etoolbox}

\makeatletter
\patchcmd\@chapter
  {\numberline {\thechapter }}
  {\@chapapp~ \numberline {\thechapter }}
  {}{}
\makeatother


\usepackage{calc}
\newcommand{\t@cfill}{\cleaders\hbox{$\m@th \mkern\@dotsep mu . \mkern\@dotsep mu$}\hfill}
\newcommand{\abbrl@bel}[1]{\makebox[\labelwidth][l]{\textbf{#1}\ \t@cfill}}
\newenvironment{mclistof}[2]{%
   \chapter*{#1}%
   \addcontentsline{toc}{chapter}{#1}
   \begin{list}{}%
   {\renewcommand{\makelabel}{\abbrl@bel}%
    \setlength{\labelwidth}{#2}%
    \setlength{\leftmargin}{\labelwidth+\labelsep}%
    \setlength{\itemsep}{0pt}%
    \markboth{#1}{#1}%
   }}
   {\end{list}\mtcaddchapter}

\newenvironment{alwayssingle}{%
       \@restonecolfalse\if@twocolumn\@restonecoltrue\onecolumn
       \else\newpage\fi}
       {\if@restonecol\twocolumn\else\newpage\fi}

\newcommand{\@acknowledgementstitle}{Acknowledgements}

\newenvironment{acknowledgements}{
\cleardoublepage
\begin{alwayssingle}
% \setsinglecolumn
\chapter*{Acknowledgements}
\thispagestyle{plain}
\pagestyle{plain}
}
{\end{alwayssingle}}


\usepackage{blindtext}% Dummy text for the example
\begin{document}
\tableofcontents
\blinddocument
\end{document}
Improve this question
6
  • 1
    Did you think of doing that with one of the dedicated packages (etoc, titletoc, tocloft)?
    – Bernard
    Sep 10, 2019 at 10:37
  • @Bernard Thanks. I tried tocloft, but the word "Chaper" is overlapped with the chapter title by using \renewcommand{\cftchappresnum}{Chapter }. Do you know how to deal with it?
    – WZhao
    Sep 10, 2019 at 10:49
  • The are width parameters to change, I guess. Personally, I tend to use titletoc, which comes with package titlesec.
    – Bernard
    Sep 10, 2019 at 10:52
  • @Bernard Could you point me the link of the usage of titletoc which do this work? Thanks a lot.
    – WZhao
    Sep 10, 2019 at 10:57
  • The possibilities are detailed in § 6 of titlesec documentation, (Contents: The titletoc package, pp. 13–19).
    – Bernard
    Sep 10, 2019 at 11:07

1 Answer 1

Reset to default
2

With the tocloft package:

\usepackage{tocloft}
\renewcommand{\cftchappresnum}{Chapter } % put Chapter before the number
% Now make extra space for the word
\newlength{\mylen} % a "scratch" length, choose any name you like
\settowidth{\mylen}{\bfseries\cftchappresnum\cftchapaftersnum} % extra space
\addtolength{\cftchapnumwidth}{\mylen} % add the extra space

Further details are in the package documentation (> texdoc tocloft).

Improve this answer
2
  • Thanks. Surprisingly, this has a side effect that the "table of contents" does not starts in the odd pages and also the next. Do you know how to deal with this?
    – WZhao
    Sep 11, 2019 at 4:24
  • I solve it by adding titles option. \usepackage[titles]{tocloft}
    – WZhao
    Sep 11, 2019 at 6:54

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