# memoir, remove space before chaptertitle

I'm trying to come up with some simple tikz based chapter style for memoir.

I've gotten to a point where I'm almost happy with the result but there is a space before the chapter title which I haven't been able to remove yet.

Here's my code (to be compiled with xelatex)

\documentclass{memoir}
\usepackage{tikz}
\usepackage{lipsum}

\newcommand*\tikzchapnum[1]{%
\begin{tikzpicture}[overlay, inner sep=10pt, outer sep=0]
\node[draw=white!80!black, fill=white!80!black, white,
left, anchor=base east, scale=2, inner sep=4pt] (cn) at (\textwidth,0) {\chapnumfont \rmfamily \thechapter};
\draw[white!80!black] (cn.south east) -- ++(-\textwidth, 0);
\draw[red] (0,2) -- ++(0,-\textheight);
\draw[red] (\textwidth,2) -- ++(0,-\textheight);
\end{tikzpicture}
}

\makechapterstyle{grayhandle}{%
\renewcommand*{\chapnamefont}{\large\scshape}
\renewcommand*{\chaptitlefont}{\normalfont\HUGE\scshape\sffamily}
\setlength{\beforechapskip}{2\baselineskip}
\setlength{\midchapskip}{0pt}
\setlength{\afterchapskip}{3\baselineskip}
\renewcommand*{\printchaptername}{}
\renewcommand*{\afterchapternum}{}
\renewcommand*{\chapnumfont}{\chaptitlefont}
\renewcommand*{\printchaptertitle}[1]{\raggedright\chaptitlefont\MakeLowercase{##1}}
\renewcommand*{\printchapternum}[1]{%
\tikzchapnum{##1}
}
}
\chapterstyle{grayhandle}

\begin{document}
\chapter{First chapter}
\lipsum
\end{document}


It gives me this result (red lines, commented out in the mwe, show that chapter title is not flush with the textblock)

How can I remove that extra spacing before the title?

• @daleif the red lines show that "FIRST" is not flush with the textblock. You can obtain them with \draw[red] (0,2) -- ++(0,-\textheight); \draw[red] (\textwidth,2) -- ++(0,-\textheight); inside the tikzpicture block – filippo Jan 23 '18 at 14:57
• Maybe you are looking for  \renewcommand*\chapterheadstart{}. But that looks bad since your is an overlay and thus have no size. BTW: this design is more or less doable without tikz – daleif Jan 23 '18 at 14:57
• Isn't it the space after \tikzchapnum{##1} try ending that line with a %. Print chapternum is executed right before printchaptertitle, so if it leaves stuff behind it shows. – daleif Jan 23 '18 at 15:29
• @daleif you're right, there's a space there, and one after \end{tikzpicture}! thank you, if you want to add it as an answer I'll accept it. Give me a couple of minutes and I'll update the mwe with a more minimal one. – filippo Jan 23 '18 at 15:34

 \tikzchapnum{##1}

The \printchapternum is executed before \printchaptertitle, thus everything left by it gets interpreted. Use
 \tikzchapnum{##1}%