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%% This document is part of the document tex-overview. It contains the formatting and definitions for typesetting. Please do *not* consider anything here as an example of good TeX coding style. It is not.
%% author: Arno Trautmann
% !TeX root = tex-overview.tex
%% (for the TeXworks-users.)
\documentclass{scrartcl}
\usepackage[svgnames]{xcolor}
\usepackage{
bookmark,
cooltooltips,
dtklogos, %% for \NTS etc. ⇒ what about metalogo?
fontspec,
geometry,
hyperref,
multicol,
microtype,
pdftexcmds,
tikz,
xparse
}
\makeatletter
\def\l@section#1#2{ % this is not neat, but seemingly the only way to reduce the space between sections in toc. % Actually, it's a good reason to think about a plain TeX solution for this package …
\ifnum \c@tocdepth >\z@ \ifnum \lastpenalty <20009 \addpenalty {\@secpenalty }\fi \addvspace {.3em \@plus \p@ }\setlength \@tempdima {1.5em}\if@tocleft \ifx \toc@l@number \@empty \else \setlength \@tempdima {0\toc@l@number }\fi \fi \begingroup \raggedsectionentry \parindent \z@ \advance \rightskip \@pnumwidth \parfillskip -\@pnumwidth \interlinepenalty \@M \leavevmode \advance \leftskip \@tempdima \null \nobreak \hskip -\leftskip \usekomafont {sectionentry}{#1\nobreak \usekomafont {sectionentrypagenumber}{\hfill \nobreak \hb@xt@ \@pnumwidth {\hss #2}}}\par \endgroup \ifnum \scr@compatibility >\@nameuse {scr@v@2.96}\relax \penalty 20008 \fi \fi
}
\microtypesetup{stretch=35} %% allow for a bit more expansion to improve typesetting of the columns.
\frenchspacing
%% for circumventing a bug in cooltooltips
\makeatletter
\let\topdfescapestring\pdf@escapestring
\makeatother
\ExplSyntaxNamesOn
%% define the look-and-feel of the document
\setmainfont{TeX Gyre Pagella}
\setsansfont{TeX Gyre Pagella}
%% setup the style of hyperlinks.
\hypersetup{
unicode=true,
colorlinks=true,
linkcolor=blue,
urlcolor=blue
}
%% page layout, headings
\pagestyle{empty}
\addtokomafont{disposition}{\color[rgb]{.4 0 0}}
\addtokomafont{section}{\Huge}
\addtokomafont{subsection}{\LARGE}
\addtokomafont{subsubsection}{\Large}
%% some missing definitions for \TeX-like things
\tl_set:Nn\XeT{X\kern -.1667em\lower .5ex\hbox {E}\kern -.125emT\@}
\tl_set:Nn\ConTeXt{Con\TeX{}t}
%% constants for the colors. Might change from time to time …
\tl_set:Nn\vip{red}
\tl_set:Nn\normalimportant{blue}
\tl_set:Nn\experimental{yellow}
\tl_set:Nn\planned{LightSkyBlue}
\tl_set:Nn\fonttechnology{pink}
\tl_set:Nn\program{black}
\tl_set:Nn\package{green}
\tl_set:Nn\distro{orange}
\tl_set:Nn\histdistro{purple}
%% shorthand to keep a good structure of the node positions
\fp_new:N\layer
\fp_new:N\layerdist
\fp_set:Nn\layer{0}
\fp_set:Nn\layerdist{-1}
%% width of the tooltip-boxes (negative value to make them disappear at all)
\dim_set:Nn\fboxrule{-1mm}
%% to separate important from not-so-important nodes
\bool_new:N\to_short
%% the token list to save all the textviews. When set once, it is reset. May be useful anyhow. Or not.
\tl_set:Nn\to_textviews{}
\NewDocumentCommand\settextviews{}{
\setcounter{section}{3} %% to enable equal section numbers for both text and tree views
\to_textviews
\tl_set:Nn\to_textviews{}
}
\cs_gset:Nn\addtotextviews:f{\tl_gput_right:No\to_textviews{#1}}
%% environment to set the graphs
\NewDocumentCommand\tograph{sD(){}+m}
{
\IfBooleanT{#1}{
\ExplSyntaxNamesOn
\bool_gset_true:N\to_short
\ExplSyntaxNamesOff
#2
\begin{tikzpicture}
#3
\end{tikzpicture}
\clearpage
}
\ExplSyntaxNamesOn
\bool_gset_false:N\to_short
\ExplSyntaxNamesOff
#2
\begin{tikzpicture}
#3
\end{tikzpicture}
}
%% Style of the nodes: shade from a light
\tikzstyle{coolnode} = [
draw=\nodecolor!50!black!70,
top color=\nodecolor!10!white!105,
bottom color= \nodecolor!50!black!50
]
%% set the first default node style (will change to \distro or \program in the document)
\cs_set_eq:NN\tonodestyle\normalimportant
%% tonode ⇒ tex-overview node, now with better argument specifier
\NewDocumentCommand\tonode{O{\tonodestyle}D(){no label given}D(){no position given}D<>{no description given}m}{
%% save the content pdfescaped
\tl_set:No\tonodecontent{\topdfescapestring{#4}}
%% test if we are in the short or full view
\tl_gset:Nn\nodecolor{#1}
\bool_if:NTF\to_short{
%% short view
\tl_if_eq:NNT#1{\vip}{ %% then check if this is an important node
\node[coolnode]
(#2) at (#3) {
\cooltooltip{#2}{\tonodecontent}{\tonodecontent}{}{#5\strut}
};
}
}{
%% long view
\node[coolnode] (#2) at (#3) {
\cooltooltip{#2}{\tonodecontent}{\tonodecontent}{}{#5\strut}
};
%% and the text view, to be added only once!
\addtotextviews:f{\subsubsection*{\color{blue}#5}\parbox{\columnwidth}{#4}}
}
}
%% we want to make use of two pdf layers: the upper (main) one for the nodes
%% and the lower (background) one for the lines. That way, the lines will not cross the nodes
\pgfdeclarelayer{background}
\pgfsetlayers{background,main}
%% the command to draw from one node to the other one. Fine tuning is possible via optional argument #3
\NewDocumentCommand{\todraw}{st{'}t{.}t{-}O{}d()d()}{
\begin{pgfonlayer}{background}
%% draw in the case that: either a * is given (always draw) or (' is given and \to_short) or nothing is given
\bool_if:nT{#1 || (#2 && \to_short) || !(#2 || \to_short)}
{\draw [thick,gray,\IfBooleanT{#3}{dotted},\IfBooleanT{#4}{dashed},#5] (#6) to (#7);} %% I’m just loooving expl3!
\end{pgfonlayer}
}
%% a nice way to control the vertical position of nodes
\NewDocumentCommand{\setlayer}{m}{
\fp_set:Nn\layer{#1}
}
\NewDocumentCommand{\steplayer}{O{\layerdist}}{
\fp_add:Nn\layer{#1}
}
\NewDocumentCommand\topart{m}{
\clearpage
\dim_set:Nn\pdfpagewidth{9cm} %% make a smaller paper so the header won’t feel so alone on the big, cold paper
\dim_set:Nn\pdfpageheight{4cm}
\newgeometry{margin=1cm}
\part{#1}
\newpage
\restoregeometry
\dim_set:Nn\pdfpagewidth{21cm} %% back to a4
\dim_set:Nn\pdfpageheight{29.7cm}
}
%% the following code is made to avoid code doubling on cost of readability. Seems to be stable enough to work here.
%% the first argument, given in (), determines the level (sub/sub/section) of the entry. The rest is totally unreadable ☹
\NewDocumentCommand\tostruct{D(){0}omO{\tonodestyle}}{
\tl_set:Nn\to_disp{section}
\int_compare:nT{#1 > 0}{\tl_put_left:Nn\to_disp{sub}}
\int_compare:nT{#1 > 1}{\tl_put_left:Nn\to_disp{sub}}
\bool_if:NTF\to_short
{
\int_compare:nT{#1 = 0}{\stepcounter{section}}
\tl_gset:cn{\to_disp mand}{\cs:w the\to_disp\cs_end:.\hspace{.175em} #3\newline short view}
\IfNoValueTF{#2}{\tl_gset:cn{\to_disp opt}{\tl_use:c{\to_disp mand}}}{\tl_gset:cn{\to_disp opt}{#2, short view}}
\cs:w \to_disp \cs_end:*{\cs:w\to_disp mand\cs_end:}
\int_compare:nT{#1 = 0}{\addtocounter{section}{-1}}
}
{
\tl_gset:cn{\to_disp mand}{#3}
\IfNoValueTF{#2}{\tl_gset:cn{\to_disp opt}{\cs:w \to_disp mand\cs_end:}}{\tl_gset:cn{\to_disp opt}{#2}}
\addtotextviews:f{\cs:w \to_disp\cs_end:[#2]{#3}}
\cs:w \to_disp\cs_end:[\cs:w \to_disp opt\cs_end:]{\cs:w \to_disp mand\cs_end:}
}
\cs_gset_eq:NN\tonodestyle#4
}
%% a command for creation of bib-items.
\NewDocumentCommand\tobibsection{m}{
\subsection*{#1}
}
\NewDocumentCommand\tobibsubsection{m}{
\subsection*{#1}
}
\NewDocumentCommand\tobib{mD<>{}O{}}{
\vspace*{1.5ex}
\begin{minipage}{\textwidth} %% to prevent page breaks
\large #1\normalsize\\ \hspace*{1em} \parbox{\textwidth-1.5em}{\url{#2} #3}
\end{minipage}
}
\ExplSyntaxNamesOff
\AtBeginDocument{
{
\centering
\huge\bfseries An overview of \TeX, its children\\ and their friends~\dots\par
\flushright\parbox{4cm}{
\Large \color[rgb]{.4 0 0} Arno Trautmann\\ \fontsize{9.85}{10}\selectfont arno.trautmann@gmx.de
}
\hspace*{2cm}\par
}
\vspace*{1cm}
}
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