Source

gnus / texi / pixidx.sty

% SHOWIDX DOCUMENT-STYLE OPTION - released 16 June 1991
%    for LaTeX version 2.09
% Copyright (C) 1985, 1988, 1989, 1991 by Leslie Lamport
% Modified by Lars Ingebrigtsen 1993
%
% Prints \index entries in outer margin. For use with book or report
% style.  Note: makes \flushbottom the default.

\typeout{Document style option `showidx' - released 16 June 1991}
\typeout{Modified for use in eyesore.}

\newbox\eye@boxa
\newbox\eye@boxb
\newbox\eye@boxc
\newbox\eye@boxd
\newbox\eye@boxe
\newbox\eye@boxf
\newbox\eye@boxg
\newbox\eye@box
\newbox\new@box

  \global \setbox \eye@boxa \hbox{}
  \global \setbox \eye@boxb \hbox{}
  \global \setbox \eye@boxc \hbox{}
  \global \setbox \eye@boxd \hbox{}
  \global \setbox \eye@boxe \hbox{}
  \global \setbox \eye@boxf \hbox{}
  \global \setbox \eye@boxg \hbox{}

\newdimen\eye@boxadim \global\eye@boxadim\z@
\newdimen\eye@boxbdim \global\eye@boxbdim\z@
\newdimen\eye@boxcdim \global\eye@boxcdim\z@
\newdimen\eye@boxddim \global\eye@boxddim\z@
\newdimen\eye@boxedim \global\eye@boxedim\z@
\newdimen\eye@boxfdim \global\eye@boxfdim\z@
\newdimen\eye@boxgdim \global\eye@boxgdim\z@

\newdimen\gnus@horiz \global\gnus@horiz\z@
\newdimen\gnus@vert \global\gnus@vert\z@


\newdimen\eye@height
\global\eye@height\textheight
% \global\advance\eye@height 8cm

\newdimen\eyeins@height
\global\eyeins@height\z@

\newdimen\eye@adjust
\global\eye@adjust 0cm

\newinsert\indexbox
\dimen\indexbox=\maxdimen

\newinsert\gnusbox
\dimen\gnusbox=\maxdimen

\newdimen\eye@dim
\newdimen\new@dim
\newdimen\doinsert

\newdimen\eye@strutd
\def\eye@strut#1{%
  \eye@strutd#1
  \advance\eye@strutd\eye@adjust
  \advance\eye@strutd -1mm
  \raisebox{-\eye@strutd}[0pt][0pt]{\rule{1mm}{\eye@strutd}}
}

\newdimen\eye@tmpd
\newbox\eye@tmpba
\newbox\eye@tmpbb
\def\eye@insbox#1#2#3{%
  \eye@dim#2
  \advance\eye@dim\ht#3
  \advance\eye@dim\eye@adjust
  \ifdim \eye@dim < \eye@height 
    \global#2\eye@dim
    \global\setbox#1
       \hbox{\unhbox#1
%             \eye@strut{\ht#3}
             \unhbox#3
             \vrule \@height 1cm \@width\z@}
    \setbox #3 \hbox{}
  \fi}

\def\@showidx#1{
  \setbox\new@box\hbox{#1}
  % \typeout{Vi er i showidx.}
  \new@dim\z@
  \ifdim \ht\new@box > \z@
    \eye@insbox\eye@boxa\eye@boxadim\new@box 
    \ifdim \ht\new@box > \z@
    \eye@insbox\eye@boxb\eye@boxbdim\new@box 
    \ifdim \ht\new@box > \z@
    \eye@insbox\eye@boxc\eye@boxcdim\new@box 
    \ifdim \ht\new@box > \z@
    \eye@insbox\eye@boxd\eye@boxddim\new@box 
    \ifdim \ht\new@box > \z@
    \eye@insbox\eye@boxe\eye@boxedim\new@box 
    \ifdim \ht\new@box > \z@
    \eye@insbox\eye@boxf\eye@boxfdim\new@box 
    \ifdim \ht\new@box > \z@
    \eye@insbox\eye@boxg\eye@boxgdim\new@box 
    \ifdim \ht\new@box > \z@
    \else
      \typeout{Discarding index.}
    \fi\fi\fi\fi\fi\fi\fi
  \fi

    \doinsert \z@
    \ifdim \eyeins@height > \z@
      \eye@dim\eyeins@height
      \advance\eye@dim\eye@boxadim
      \ifdim \eye@dim < \eye@height 
         \global\eyeins@height\eye@dim
         \doinsert 1pt
      \fi
   \else
     \doinsert 1pt
     \global\eyeins@height\eye@boxadim
   \fi

  \ifdim \ht\eye@boxa > \z@
  
    \ifdim \doinsert > \z@
%      \typeout{Vi inserter i indexbox.}
      \insert\indexbox{
         \small
         \hsize\marginparwidth
         \hangindent\marginparsep 
         \parindent\z@
         \parfillskip\@flushglue
         \everypar{}\let\par\@@par 
         \lineskip\normallineskip
         \baselineskip .8\normalbaselineskip
         \ifodd\c@page\raggedleft\else\raggedright\fi
         \leavevmode
         \relax
         \unhbox\eye@boxa
         \relax
      }
      \global \setbox \eye@boxa \copy\eye@boxb
      \global \setbox \eye@boxb \copy\eye@boxc
      \global \setbox \eye@boxc \copy\eye@boxd
      \global \setbox \eye@boxd \copy\eye@boxe
      \global \setbox \eye@boxe \copy\eye@boxf
      \global \setbox \eye@boxf \copy\eye@boxg
      \global \setbox \eye@boxg \hbox{}
      \global \eye@boxadim\eye@boxbdim
      \global \eye@boxbdim\eye@boxcdim
      \global \eye@boxcdim\eye@boxddim
      \global \eye@boxddim\eye@boxedim
      \global \eye@boxedim\eye@boxfdim
      \global \eye@boxfdim\eye@boxgdim
      \global \eye@boxgdim\z@
    \fi
  \fi

}

\def\@rightidx{\hskip\columnwidth \hskip\marginparsep}
\def\@leftidx{\hskip-\marginparsep \hskip-\marginparwidth}

\def\@mkidx{

%  \typeout{Vi er i mkidx 1.}

  \vbox to \z@{
    \vskip \gnus@vert
    \hbox{
      \hskip \gnus@horiz
      \box\gnusbox
    }\vss
  }
  \vbox to \z@{ 
    \ifdim \eyeins@height < \textheight
      \eye@dim \textheight
      \advance \eye@dim -\eyeins@height
%      \vskip \eye@dim
    \else 
      \eye@dim \eye@height
      \advance \eye@dim -3cm
      \ifdim \eyeins@height > \eye@dim
      %   \vskip -3cm
    \fi\fi
    \hbox{
      \ifodd\c@page \@rightidx \else \@leftidx \fi
      \box\indexbox
    }\vss
  }

  \global\eyeins@height\z@

}

\def\raggedbottom{\def\@textbottom{\vskip
      \z@ plus.0001fil}\let\@texttop\@mkidx}
\def\flushbottom{\let\@textbottom\relax \let\@texttop\@mkidx}

\def\margindex#1{\@bsphack
\begingroup\@sanitize\catcode32=10\relax\@showidx{#1}
 \endgroup\@esphack}

\def\@gnusfig#1{
  \insert\gnusbox{
     \small
     \hsize\textwidth
     \hangindent\marginparsep 
     \parindent\z@
     \parfillskip\@flushglue
     \everypar{}\let\par\@@par 
     \lineskip\normallineskip
     \baselineskip .8\normalbaselineskip
     \ifodd\c@page\raggedleft\else\raggedright\fi
     \leavevmode
     \relax
     #1
     \relax
  }
}

\def\gnusfig#1#2#3{\@bsphack
\begingroup\@sanitize\catcode32=10\relax\@gnusfig{#3}\global\gnus@horiz#1 \global\gnus@vert#2
 \endgroup\@esphack}

\flushbottom

\endinput

% arch-tag: 286974d6-3578-4aa9-b298-f6a03b13f0bd
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