How to remove the anormal space from the chapter title, i worked with fancyhdr package. Here is the whole latex book style:
\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{thesis}[2015/06/22 Thesis class (E. Scifo), V1.0]
% base class = book
\LoadClass[a4paper, 12pt,oneside]{book}
% packages
\RequirePackage[utf8]{inputenc}
\RequirePackage[T1]{fontenc}
\RequirePackage[english]{babel}
\RequirePackage{graphicx}
\RequirePackage[small, bf, up]{caption}
\renewcommand{\captionfont}{\it \small}
%\RequirePackage{subfigure}
\RequirePackage[svgnames]{xcolor}
%% for tables
\RequirePackage{multirow}
\RequirePackage{multicol}
\RequirePackage[titletoc]{appendix}
\RequirePackage[left]{lineno} %% line numbers
\modulolinenumbers[5] %% numbers each 5 lines only
\renewcommand{\baselinestretch}{1.25}
%% page geometry
\RequirePackage[margin=3.0cm]{geometry}
\RequirePackage{fancyhdr}
\pagestyle{fancy}
\renewcommand{\headrulewidth}{1pt}
\fancyhead[L]{\leftmark}
\fancyhead[R]{\textbf{}}
\renewcommand{\footrulewidth}{1pt}
\fancyfoot[C]{\textbf{page \thepage}}
\fancyfoot[L]{\textbf{}}
\fancyfoot[R]{\textbf{}}
%\geometry{a4paper, body={160mm,245mm}}
%% Toc at begining of chapter
\RequirePackage[]{minitoc}
\mtcsettitle{minitoc}{Chapter content}
%% Hyperref
\RequirePackage{hyperref} % hyperlink for easier navigation in the document
\hypersetup{
backref=page,% add links into...
pagebackref=true,%... references
hyperindex=true, % add links in index
colorlinks=true, % add colors to links
breaklinks=true, % break line in long links
urlcolor= blue, % hyperlink color
linkcolor= blue, % external link color
pdfpagelabels=true,
plainpages=false,% use i, ii, iii... page numbers in pdf readers
bookmarks=true, %
pdfa = true,
}
\makeatletter
\renewcommand{\@chapapp}{Chapitre}
\makeatother
\RequirePackage{nameref}
%% Epigraph style
\RequirePackage{epigraph}
\renewcommand{\epigraphrule}{0.1pt} % bottom line width
\renewcommand{\textflush}{flushright}
\makeatletter
% Taken and updated from http://mirrors.ctan.org/macros/latex/contrib/epigraph/epigraph.dtx
\renewcommand{\@epitext}[1]{%
\begin{minipage}{\epigraphwidth}\begin{\textflush} \hspace*{20pt} \itshape #1 \normalfont \\
\ifdim\epigraphrule>\z@ \@epirule \else \vspace*{-.5\baselineskip} \fi
\end{\textflush}\end{minipage}}
\makeatother
%% Opening quotes
\RequirePackage{fancybox}
\newcommand*\openquote{\makebox(-15,-15){\scalebox{3}{``}}}
\newcommand*\closequote{\makebox(15,-15){\scalebox{3}{''}}}
\newcommand\chapQuote[2]{
\vskip-0.5cm
\begin{flushright}
\boxput*(0.35,-0.9){
\colorbox{white}{\textsc{#2}}}{
%\setlength{\fboxsep}{6pt}
%\cornersize{4}
\setlength{\fboxsep}{4mm}
\colorbox{white}{\begin{minipage}{0.6\textwidth}
\openquote
\itshape #1
\closequote
\end{minipage}}
}
\end{flushright}
\vskip1cm
}
%% Dedication
\newcommand{\HRule}{\rule{\linewidth}{0.5mm}}
\newenvironment{dedication}
{\cleardoublepage % we want a new page
\thispagestyle{empty}% no header and footer
\vspace*{\stretch{1}}% some space at the top
\itshape % the text is in italics
\hspace{3cm}
\noindent%
\begin{minipage}{0.6\textwidth}
\noindent%
}
{ \end{minipage}
\vspace{\stretch{3}} % space at bottom is three times that at the top
\cleardoublepage % finish off the page
}
%% customize chapter headings
%% Source : http://forum.mathematex.net/latex-f6/modification-du-style-de-chapitre-t7022.html
\makeatletter
\newlength{\chapter@number@width}
\def\@makechapterhead#1{%
{\normalfont
\setlength{\parindent}{0pt}%
\vspace*{10pt}%
\settowidth{\chapter@number@width}{%
\hbox{\color{white}\Huge\bfseries
\hspace{\dimexpr 1mm+3pt}%
\thechapter
\hspace{\dimexpr 1mm+3pt}%
}}
\hbox{%
\vtop{%
\hsize=\dimexpr\chapter@number@width+\tabcolsep+2\fboxrule+\tabcolsep
\begin{tabular}[t]{@{}c}
\scshape\strut\makebox[0pt]{\hspace{0pt plus 1 fill minus 1 fill}\@chapapp\hspace{0pt plus 1 fill minus 1 fill}} \\
\fboxsep=0pt
\colorbox{black}{\vbox{%
\hbox{\vbox to \dimexpr 1mm+4pt{}}
\hbox{\color{white}\Huge\bfseries
\hspace{\dimexpr 1mm+3pt}%
\thechapter
\hspace{\dimexpr 1mm+3pt}%
}
\hrule height 0.4pt depth 0pt width 0pt
\hbox{\vbox to 6pt{}}
\hbox{\parbox{0pt}{\Huge\bfseries\vphantom{E}}}
}}%
\end{tabular}%
}%
\vtop{%
\advance\hsize by -\dimexpr\chapter@number@width+2\fboxrule+\tabcolsep
\hspace*{-0.5cm}\begin{tabular}[t]{c}
\scshape\strut\vphantom{\@chapapp} \\
\fboxsep=0pt
\colorbox{white}{\vbox{%
\hbox{\vbox to \dimexpr 1mm+3pt{}}
\hbox{\LARGE\bfseries
\hspace{\dimexpr 1mm+3pt}%
\phantom{\thechapter}
\hspace{\dimexpr 1mm+3pt}%
}
\hrule height 0.4pt depth 0pt width \hsize
\hbox{\vbox to 6pt{}}
\hbox{\hspace*{3pt}\parbox{\dimexpr\textwidth-2mm-6pt-\chapter@number@width-\tabcolsep-2\fboxrule-20pt}{\Huge\bfseries\scshape #1}}
}}%
\end{tabular}%
}%
}%
\vspace{50pt}%
}
}
\def\@makeschapterhead#1{%
{\normalfont
\setlength{\parindent}{0pt}%
\vspace*{10pt}%
\settowidth{\chapter@number@width}{%
\hbox{\color{white}\LARGE\bfseries
\hspace{\dimexpr 1mm+3pt}%
\thechapter
\hspace{\dimexpr 1mm+3pt}%
}}
\hbox{%
\vtop{%
\hsize=\dimexpr\chapter@number@width+\tabcolsep+2\fboxrule+\tabcolsep
\begin{tabular}[t]{@{}c}
\scshape\strut\makebox[0pt]{\hspace{0pt plus 1 fill minus 1 fill}\phantom{\@chapapp}\hspace{0pt plus 1 fill minus 1 fill}} \\
\fboxsep=0pt
\colorbox{black}{\vbox{%
\hbox{\vbox to \dimexpr 1mm+3pt{}}
\hbox{\color{white}\LARGE\bfseries
\hspace{\dimexpr 1mm+3pt}%
\phantom{\thechapter}%
\hspace{\dimexpr 1mm+3pt}%
}
\hrule height 0.4pt depth 0pt width 0pt
\hbox{\vbox to 6pt{}}
\hbox{\parbox{0pt}{\Huge\bfseries\vphantom{E}}}
}}%
\end{tabular}%
}%
\vtop{%
\advance\hsize by -\dimexpr\chapter@number@width+2\fboxrule+\tabcolsep
\hspace*{-0.5cm}\begin{tabular}[t]{c}
\scshape\strut\vphantom{\@chapapp} \\
\fboxsep=0pt
\colorbox{white}{\vbox{%
\hbox{\vbox to \dimexpr 1mm+3pt{}}
\hbox{\LARGE\bfseries
\hspace{\dimexpr 1mm+3pt}%
\phantom{\thechapter}
\hspace{\dimexpr 1mm+3pt}%
}
\hrule height 0.4pt depth 0pt width \hsize
\hbox{\vbox to 6pt{}}
\hbox{\hspace*{20pt}\parbox{\dimexpr\textwidth-2mm-6pt-\chapter@number@width-\tabcolsep-2\fboxrule-30pt}{\Huge\bfseries\scshape #1}}
}}%
\end{tabular}%
}%
}%
\vspace{50pt}%
}
}
%% remove the top line : http://tex.stackexchange.com/questions/19738/why-doesnt-pagestyleempty-work-on-the-first-page-of-a-chapter
\renewcommand\chapter{\if@openright\cleardoublepage\else\clearpage\fi
\thispagestyle{empty}% original style: plain
\global\@topnum\z@
\@afterindentfalse
\secdef\@chapter\@schapter}
\makeatother
%% customize title page
\RequirePackage{pgffor}
\RequirePackage{etoolbox}
\makeatletter
\def\unilogo#1{\def\@unilogo{#1}}
\def\lablogo#1{\def\@lablogo{#1}}
\def\university#1{\def\@university{#1}}
\def\docschool#1{\def\@docschool{#1}}
\def\lab#1{\def\@lab{#1}}
\def\field#1{\def\@field{#1}}
\def\defensedate#1{\def\@defensedate{#1}}
\def\serienumber#1{\def\@serienumber{#1}}
\def\njurymembers#1{\def\@njurymembers{#1}}
\newcommand{\addjurymember}[4]{%
\expandafter\gdef\csname @juryTitle#1\endcsname{#2}
\expandafter\gdef\csname @juryName#1\endcsname{#3}
\expandafter\gdef\csname @juryFunction#1\endcsname{#4}
}
\newtoks\@tabtoks
\newcommand\addtabtoks[1]{\global\@tabtoks\expandafter{\the\@tabtoks#1}}
\newcommand\eaddtabtoks[1]{\edef\mytmp{#1}\expandafter\addtabtoks\expandafter{\mytmp}}
\newcommand*\resettabtoks{\global\@tabtoks{}}
\newcommand*\printtabtoks{\the\@tabtoks}
\def\maketitle{%
\thispagestyle{empty}
\vspace*{-1.5cm}
\hspace{-0.4cm}
\begin{tabular}{p{5.5cm}p{6cm}p{6cm}}
\ifdef{\@unilogo}{
\includegraphics[height=2.5cm]{\@unilogo}}{} &
\ifdef{\@lablogo}{
\includegraphics[height=2.5cm]{\@lablogo}}{} &
\ifdef{\@serienumber}{
\raisebox{3em}{\@serienumber}}{}
\end{tabular}
\begin{center}
\vskip1.5cm
\ifdef{\@university}{
\textsc{\Huge \@university}}{~}\\[1cm]
\ifdef{\@docschool}{
\textsc{\LARGE \@docschool}}{~}\\[0.2cm]
\ifdef{\@lab}{
\textsc{\LARGE \@lab}}{~} \\[0.5cm]
\ifdef{\@field}{
\textsc{\LARGE Discipline : \@field}}{~}\\[1.5cm]
\textsc{\Huge Thèse de doctorat}\\[0.5cm]
{\Large Soutenue le
\ifdef{\@defensedate}{
\@defensedate}{\today}~par}\\[1.cm]
\ifdef{\@author}{
\textsc{\Huge \@author}}{~} \\[1cm]
\vskip1.cm
\begin{minipage}{0.95\textwidth}
\Huge \bfseries \centering
\@title
\end{minipage}
\vskip2.cm
\resettabtoks
\foreach \n in {1,...,\@njurymembers} {%
\-\hspace{0.7cm}
\eaddtabtoks{ {\csname @juryTitle\n\endcsname} }
\eaddtabtoks{ {\csname @juryName\n \endcsname} }
\addtabtoks{ & }
\eaddtabtoks{({\csname @juryFunction\n \endcsname }) }
\addtabtoks{ \\ }
}%
%% http://tlsflyleaf.onada.fr/down.php
\ifnum \@njurymembers=0
Jury members
\else
\begin{table}[h!] \large
\begin{center}
\begin{tabular}{*{2}{p{0.34\textwidth}}}
\printtabtoks
\end{tabular}
\end{center}
\end{table}
\fi
\end{center}
}
\makeatother
\raggedrightat the point that you specify your chapter heading fonts – David Carlisle Nov 08 '17 at 21:00