| Current File : //usr/share/texlive/texmf-dist/doc/latex/showexpl/showexpl-test.tex |
% Rolf Niepraschk, 2020-05-03, Rolf.Niepraschk@gmx.de
\listfiles\errorcontextlines=100
\documentclass[a4paper,draft,twoside]{article}
\usepackage[dvipsnames]{xcolor}
\usepackage[textwidth=12cm,marginparwidth=4cm]{geometry}
\usepackage[final]{showexpl}
\usepackage{iftex}
\iftutex % LuaTeX, XeTeX
\usepackage{fontspec}
\setmonofont{DejaVuSansMono}[Scale=MatchUppercase]
\else % old engines
\usepackage[T1]{fontenc}
\usepackage{lmodern}
\usepackage[scaled]{DejaVuSansMono}
\fi
\lstset{%
basicstyle=\ttfamily\small,
commentstyle=\itshape\ttfamily\small,
showspaces=false,
showstringspaces=false,
breaklines=true,
backgroundcolor=\color{lightgray},
breakautoindent=true,
captionpos=t
}
\iftrue
\lstset{explpreset={numbers=left,numberstyle=\tiny,numbersep=.3em,
xleftmargin=1em,columns=flexible,language={}}}
\fi
\usepackage[font=small,labelfont=bf,justification=raggedright,%
singlelinecheck=false]{caption}
\usepackage{amsmath}
\AtBeginDocument{%
\renewcommand*\lstlistlistingname{Examples}
\renewcommand*\lstlistingname{Example}
}
\newcommand*{\MARKER}%
{\noindent\strut\vrule
\hrulefill~half text area~\hrulefill\vrule
\hrulefill~half text area~\hrulefill\vrule
\marginpar{\strut\vrule\hrulefill~margin area~\hrulefill\vrule}}
\begin{filecontents*}{ex1.tex}
Line 1 \par
Line 2 \par
Line 3 \par
Line 4 \par
Line 5 \par
Line 6 \par
Line 7 \par
Line 8 \par
Line 9 \par
Line 10 \par
Line 11 \par
Line 12 \par
Line 13
\end{filecontents*}
\begin{document}
\section*{The \LaTeX\ package \textsf{showexpl}}
\bigskip
\lstlistoflistings
\subsection*{The \textsf{listings} parameters still works}
\begin{LTXexample}[pos=t,numbers=none,
codefile=\jobname-\theltxexample.tex]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
\MARKER
\subsection*{The \texttt{pos}, \texttt{overhang}, and
\texttt{caption} parameters}
\begin{LTXexample}[pos=b,overhang=.5\marginparwidth+.5\marginparsep,%
caption={The \texttt{overhang} parameter}]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
\MARKER
\begin{LTXexample}[pos=l,hsep=50pt,width=55mm]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
\MARKER
\subsection*{The \texttt{wide} parameter with inner and outer position}
\begin{LTXexample}[pos=o,wide,caption={The \texttt{wide} parameter},%
label=ex:Gustav]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
\MARKER
\begin{LTXexample}[pos=i,wide]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
%--------------
\newpage
\subsection*{More examples on an even (left) page}
\begin{LTXexample}[pos=t]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
\MARKER
\begin{LTXexample}[pos=b,overhang=.5\marginparwidth+.5\marginparsep,%
captionpos=b,caption={The \texttt{overhang} parameter again},%
label=ex:Fridolin]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
\MARKER
\begin{LTXexample}[pos=l,hsep=50pt,width=55mm]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
\MARKER
\begin{LTXexample}[pos=o,wide,captionpos=b,%
caption={The \texttt{wide} parameter again}]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
\MARKER
\begin{LTXexample}[pos=i,wide]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
%--------------
\newpage
\subsection*{Whole \LaTeX{} documents as example code and
the para\-meters \texttt{preset}, \texttt{rframe}, and \texttt{rangeaccept}}
\begin{LTXexample}[pos=r,wide,width=.65,preset=\LARGE,rframe={}]
\documentclass[a4paper,twoside]{article}
\begin{document}
\begin{equation}
\sigma(t)=\frac{1}{\sqrt{2\pi}}
\int^t_0 e^{-x^2/2} dx
\end{equation}
\end{document}
\end{LTXexample}
\MARKER
\begin{LTXexample}[wide,width=.75,preset=\footnotesize,rframe=single,%
codefile=\jobname-\theltxexample.tex]
\documentclass[a4paper,twoside]{article}
\usepackage{amsmath}
% enhancements for mathematical formulas
\begin{document}
\begin{equation}\label{eq:barwq}
\begin{split}
H_c&=\frac{1}{2n}
\sum^n_{l=0}(-1)^{l}(n-{l})^{p-2}
\sum_{l _1+\dots+ l _p=l}\prod^p_{i=1}
\binom{n_i}{l _i}\\
&\quad\cdot[(n-l )-(n_i-l _i)]^{n_i-l _i}\cdot
\Bigl[(n-l )^2-\sum^p_{j=1}(n_i-l _i)^2\Bigr].
\end{split}
\end{equation}
\end{document}
\end{LTXexample}
\LTXinputExample[%
pos=r,backgroundcolor=\color{Goldenrod!50},%
%firstline=3,lastline=6,%
linerange={3-6,8-10},%
float=tb,rangeaccept=true,%
caption={[Floating Example]%
This is a floating Example (parameter \texttt{rangeaccept=true})}]{ex1}
\newpage
\MARKER
\subsection*{Using a graphic as the result}
\begin{LTXexample}[pos=i,wide]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
\begin{LTXexample}[pos=i,wide,rframe={},%
graphic=result-picture]% graphic=\jobname-\theltxexample
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
\begin{LTXexample}[caption={The \texttt{graphic} parameter},captionpos=b,%
pos=i,wide,graphic={[width=.5\linewidth]result-picture}]
\Large\LaTeX{} \LaTeX{}
\LaTeX{} \LaTeX{}
\end{LTXexample}
\newpage
\subsection*{The parameter \texttt{varwidth}}
\bigskip
\MARKER
\begin{LTXexample}[caption={Fix width of the result
(side-by-side default: \texttt{0.5\textbackslash linewidth})},%
captionpos=b]
\setlength{\unitlength}{1cm}
\begin{picture}(2,2) \thicklines
\thicklines
\put(0,0){\line(1,1){2}}
\put(0,2){\line(1,-1){2}}
\end{picture}
\end{LTXexample}
\medskip
\begin{LTXexample}[caption={[The \texttt{varwidth} parameter]%
Width of the result reduced to the ``natural''
width (\texttt{varwidth=true})},varwidth,captionpos=b]
\setlength{\unitlength}{1cm}
\begin{picture}(2,2) \thicklines
\put(0,0){\line(1,1){2}}
\put(0,2){\line(1,-1){2}}
\end{picture}
\end{LTXexample}
\medskip
\begin{LTXexample}[caption={Fix width of the result
(default: \texttt{\textbackslash linewidth})},%
pos=t,captionpos=b]
\setlength{\unitlength}{1cm}
\begin{picture}(2,2) \thicklines
\put(0,0){\line(1,1){2}}
\put(0,2){\line(1,-1){2}}
\end{picture}
\end{LTXexample}
\medskip
\begin{LTXexample}[caption={[The \texttt{justification} parameter]%
Result is centered (\texttt{varwidth=true})},%
varwidth,captionpos=b,pos=t,justification=\centering]
\setlength{\unitlength}{1cm}
\begin{picture}(2,2)
\thicklines
\put(0,0){\line(1,1){2}}
\put(0,2){\line(1,-1){2}}
\end{picture}
\end{LTXexample}
\end{document}