[NTG-context] Re: Tikz CD

[Aditya Mahajan <adityam@umich.edu>]

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On Mon, 25 Nov 2024, Hans Hagen wrote:

> On 11/25/2024 4:07 PM, Aditya Mahajan wrote:
> > What is the best way to go about this? I can try to ask the
> 
> i assume youy send me a patch(ed file)

We need to add the following at the end of m-tikz.mkxl (I am no longer testing tikz for MkIV, so no patch for that). 

\startsetups tikz:hacks:tikzcd
\permanent\protected\def\starttikzcd%
  {\starttikzinput
   \hcontainer\bgroup
   \tikzcd}

\permanent\protected\def\stoptikzcd
  {\endtikzcd
   \egroup
   \stoptikzinput}
\stopsetups

\installtikzlibraryhacks{cd}{}{\directsetup{tikz:hacks:tikzcd}}

A patched file is also attached. Then the following code works fine:

\usemodule[tikz]
\usetikzlibrary[cd]

\starttext
\startformula
  \starttikzcd
    x \arrow[d] \NC A \arrow[d] \NC D \NR
    y \NC B \NC D \NR
  \stoptikzcd
\stopformula
\stoptext

I also wanted to add tikzcd to mtx-install-imp-tikz, but a TDS zip is not available at https://ctan.org/tex-archive/graphics/pgf/contrib/tikz-cd. I will check why that is not the case later, and if a CTAN TDS is available, send a patch to include it in install-imp-tikz. 

Aditya

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%D \module
%D   [       file=m-tikz,
%D        version=2021.07.12,
%D          title=\CONTEXT\ Extra Modules,
%D       subtitle=TIKZ support,
%D         author=Hans Hagen,
%D           date=\currentdate,
%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.

%D A fixed variant of the t-tikz module distributed with tikz. For practical reasons
%D per 2021 we split the module for \MKIV\ and \LMTX. (Maybe some day I'll optimize
%D TIKZ a bit.)
%D
%D All these t-* modules in the tikz distribution make no sense as we can just load
%D them here which is way cleaner. There is also some mkii filename mapping going on
%D that is not needed on todays systems (windows has no 8.3 limitation and on unix
%D tds finally adopted a case insensitive approach.)

%D Just in case someone does a hard input ...

\ifdefined\pgfdefined    \endinput \fi
\ifdefined\pgfcoredefined\endinput \fi

%D ... but normally we end up here:

\startmodule[tikz]

\ifdefined\hoffset \else
    \newdimen\hoffset
    \newdimen\voffset
\fi

\ifdefined\pdflastxpos \else
    \unprotect
        \frozen\overloaded\protected\def\pdflastxpos{\numexpr\clf_lastxpos\relax}
        \frozen\overloaded\protected\def\pdflastypos{\numexpr\clf_lastypos\relax}
    \protect
\fi

\ifdefined\pdfstrcmp\else

    \startluacode
        interfaces.implement {
            name      = "pdfstrcmp",
            arguments = "2 strings",
            usage     = "value",
            public    = true,
            actions   = function(a,b)
                return
                    tokens.values.integer,
                    (a < b and -1) or (a > b and 1) or 0
            end
        }
    \stopluacode

\fi

\newcatcodetable \tikzcatcodes

\startcatcodetable \tikzcatcodes
    \catcode\tabasciicode             \spacecatcode
    \catcode\endoflineasciicode       \endoflinecatcode
    \catcode\formfeedasciicode        \endoflinecatcode
    \catcode\spaceasciicode           \spacecatcode
    \catcode\endoffileasciicode       \ignorecatcode
    \catcode\circumflexasciicode      \superscriptcatcode
    \catcode\underscoreasciicode      \subscriptcatcode
    \catcode\ampersandasciicode       \alignmentcatcode
    \catcode\backslashasciicode       \escapecatcode
    \catcode\leftbraceasciicode       \begingroupcatcode
    \catcode\rightbraceasciicode      \endgroupcatcode
    \catcode\dollarasciicode          \mathshiftcatcode
    \catcode\hashasciicode            \parametercatcode
    \catcode\commentasciicode         \commentcatcode
    \catcode\atsignasciicode          \lettercatcode
    \catcode\exclamationmarkasciicode \othercatcode
    \catcode\questionmarkasciicode    \lettercatcode
    \catcode\tildeasciicode           \activecatcode
    \catcode\barasciicode             \othercatcode
\stopcatcodetable

\newinteger\tikzinputlevel

\permanent\protected\def\starttikzinput
  {\advanceby\tikzinputlevel\plusone
   \ifcase\tikzinputlevel\or
     \pushoverloadmode
     \pushcatcodetable
     \setcatcodetable\tikzcatcodes
     \pushmacro\meaning
     \let\meaning\meaningless
     \autoparagraphmode\zerocount
  \fi}

\permanent\protected\def\stoptikzinput
  {\autoparagraphmode\plusone
   \ifcase\tikzinputlevel\or
     \popcatcodetable
     \popmacro\meaning
     \popoverloadmode
   \fi
   \advanceby\tikzinputlevel\minusone}

\permanent\protected\def\tikzinputfile#1%
  {\starttikzinput
   \input{#1}\relax
   \stoptikzinput}

\permanent\protected\def\tikzerrormessage#1#2#3%
  {\writestatus{#1}{#2}}

% For now we need this but we need to educate the user to wrap settings in the
% wrappers. So some day the next line will go. I need to check what commands are
% possible outside a picture.

\overloadmode\zerocount

\newtoks\everytikzpicture
\newtoks\everyinsidetikzpicture

% \appendtoks
%     \resetcharacterspacing
% \to \everytikzpicture

\permanent\protected\def\starttikzsettings
  {\pushoverloadmode
   \pushcatcodetable
   \setcatcodetable\tikzcatcodes
   \pushmacro\meaning
   \let\meaning\meaningless
   \autoparagraphmode\zerocount}

\permanent\protected\def\stoptikzsettings
  {\autoparagraphmode\plusone
   \popmacro\meaning
   \popcatcodetable
   \popoverloadmode}

\permanent\tolerant\protected\def\starttikzpicture[#S#1]%
  {\dontleavehmode
   \hcontainer\bgroup
   \setcatcodetable\tikzcatcodes
   \the\everytikzpicture
   \autoparagraphmode\zerocount
   \pushmacro\meaning
   \let\meaning\meaningless
 % \pushoverloadmode
   \ifdefined\PackageError\else \let\PackageError\tikzerrormessage \fi
   \tikzpicture[#1]%
   \the\everyinsidetikzpicture}

\permanent\protected\def\stoptikzpicture
  {\endtikzpicture
 % \popoverloadmode
   \popmacro\meaning
   \egroup}

\let\pgfdefined    \relax
\let\pgfcoredefined\relax

\tikzinputfile{pgfutil-common.tex}
\tikzinputfile{pgfutil-context.def}
\tikzinputfile{pgfrcs.code.tex}
\tikzinputfile{pgfsys.code.tex}
\tikzinputfile{pgfkeys.code.tex}
\tikzinputfile{pgfsyssoftpath.code.tex}
\tikzinputfile{pgfsysprotocol.code.tex}
\tikzinputfile{pgfcore.code.tex}
\tikzinputfile{pgffor.code.tex}
\tikzinputfile{pgfmoduleplot.code.tex}
\tikzinputfile{tikz.code.tex}

\let\startpgfpicture             \pgfpicture              \let\stoppgfpicture            \endpgfpicture
\let\startpgfscope               \pgfscope                \let\stoppgfscope              \endpgfscope
\let\startpgflowlevelscope       \pgflowlevelscope        \let\stoppgflowlevelscope      \endpgflowlevelscope
\let\startpgfinterruptpath       \pgfinterruptpath        \let\stoppgfinterruptpath      \endpgfinterruptpath
\let\startpgfinterruptpicture    \pgfinterruptpicture     \let\stoppgfinterruptpicture   \endpgfinterruptpicture
\let\startpgfinterruptboundingbox\pgfinterruptboundinbox  \let\stoppgfinterruptboudingbox\endpgfinterruptboundingbox

\let\normalusepgfmodule  \usepgfmodule
\let\normalusepgflibrary \usepgflibrary
\let\normalusetikzlibrary\usetikzlibrary

\installnamespace{pgfmhack}
\installnamespace{pgflhack}
\installnamespace{tikzhack}

\tolerant\protected\def\usepgfmodule[#1]#;#2% somehow both variants are used
  {\starttikzinput
   \normalusepgfmodule[#1#2]%
   \stoptikzinput}

\tolerant\protected\def\usepgflibrary[#1]#;#2% somehow both variants are used
  {\starttikzinput
   \normalusepgflibrary[#1#2]%
   \stoptikzinput}

\tolerant\protected\def\usetikzlibrary[#1]#;#2% somehow both variants are used
  {\starttikzinput
   \normalusetikzlibrary[#1#2]%
   \stoptikzinput}

\unprotect

\protected\def\installsomethingtikzindeed#1#2#3#4%
  {\defcsname#1:b:#2\endcsname{#3}%
   \defcsname#1:a:#2\endcsname{#4}}

\protected\def\usesomethingtikzindeed#1#2#3%
  {\ifcsname#1:l:#3\endcsname\else
     \letcsname#1:l:#3\endcsname\relax
     \begincsname#1:b:#3\endcsname
     \starttikzinput
     #2[#3]%
     \stoptikzinput
     \begincsname#1:a:#3\endcsname
   \fi}

% somehow both variants [#1] and {#1} are used

\protected\def\installtikzlibraryhacks{\installsomethingtikzindeed\????tikzhack}
\protected\def\installpgfmodulehacks  {\installsomethingtikzindeed\????pgfmhack}
\protected\def\installpgflibraryhacks {\installsomethingtikzindeed\????pgflhack}

\tolerant\protected\def\usepgfmodule  [#1]#;#2{\usesomethingtikzindeed\????pgfmhack\normalusepgfmodule  {#1#2}}
\tolerant\protected\def\usepgflibrary [#1]#;#2{\usesomethingtikzindeed\????pgflhack\normalusepgflibrary {#1#2}}
\tolerant\protected\def\usetikzlibrary[#1]#;#2{\usesomethingtikzindeed\????tikzhack\normalusetikzlibrary{#1#2}}

\protect

\usepgfmodule[shapes]
\usepgfmodule[plot]
\usepgfmodule[matrix]
\usepgfmodule[decorations]

\definefilesynonym [pgfplots]      [tikz-pgfplots]
\definefilesynonym [pgfplotstable] [tikz-pgfplotstable]

% Here come the hacks:

\installtikzlibraryhacks{calendar}{}{\tikzinputfile{pgfcalendar.code.tex}}

\startsetups tikz:hacks:tikzcd
\permanent\protected\def\starttikzcd%
  {\starttikzinput
   \hcontainer\bgroup
   \tikzcd}

\permanent\protected\def\stoptikzcd
  {\endtikzcd
   \egroup
   \stoptikzinput}
\stopsetups

\installtikzlibraryhacks{cd}{}{\directsetup{tikz:hacks:tikzcd}}

\stopmodule

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