From: Hans Hagen <pragma@wxs.nl>
Subject: Re: Float caption feature request
Date: Fri, 05 May 2006 14:42:36 +0200 [thread overview]
Message-ID: <445B483C.8000807@wxs.nl> (raw)
In-Reply-To: <e35fs2$mn$1@sea.gmane.org>
Johannes Graumann wrote:
> Hello,
>
> In LaTeX (don't remember whether this is generic or specific to one of the
> packages I used to use), the 'caption' command for floats came along this
> way:
>
> \caption[optional short version]{Caption}
>
we use [] for references, and once users want one alternative, they may
want another one as well, so best cook up a generic mechanism
> If one uses the 'optional short version' bit, the Table of Figures/Tables
> present the short version rather than the whole caption (which in my case
> is long paragraphs and makes the TOF/TOT unpractical). I would very much
> like to have that functionality in context.
>
> Thanks for any hints on how to achieve this. Poking around in the source did
> not lead this newbie to a starting point ...
>
something
\def\MyCaption{\firstoftwoarguments}
...\MyCaption{bla}{more bla}
or better, wrapped in a feature:
\unprotect
% let's reuse this one in selectors (from syst-ext)
\def\dofilterfromstr#1#2% max n
{\ifcase#1\or
\ifcase#2\or
\strippedcsname\firstofoneargument
\else
\strippedcsname\gobbleoneargument
\fi
\or
\ifcase#2\or
\strippedcsname\firstoftwoarguments
\or
\strippedcsname\secondoftwoarguments
\else
\strippedcsname\gobbletwoarguments
\fi
\or
\ifcase#2\or
\strippedcsname\firstofthreearguments
\or
\strippedcsname\secondofthreearguments
\or
\strippedcsname\thirdofthreearguments
\else
\strippedcsname\gobblethreearguments
\fi
\or
\ifcase#2\or
\strippedcsname\firstoffourarguments
\or
\strippedcsname\secondoffourarguments
\or
\strippedcsname\thirdoffourarguments
\or
\strippedcsname\fourthoffourarguments
\else
\strippedcsname\gobblefourarguments
\fi
\or
\ifcase#2\or
\strippedcsname\firstoffivearguments
\or
\strippedcsname\secondoffivearguments
\or
\strippedcsname\thirdoffivearguments
\or
\strippedcsname\fourthoffivearguments
\or
\strippedcsname\fifthoffivearguments
\else
\strippedcsname\gobblefivearguments
\fi
\fi}
\def\filterfromvalue#1#2#3% value max n
{\@EA\@EAEAEA\csname % we use the fact that an
\@EA\ifx\csname#1\endcsname\relax % undefined cs has become \relax
\strippedcsname\gobbleoneargument % which we then gobble here
\else
\dofilterfromstr{#2}{#3}%
\fi
\endcsname\csname#1\endcsname}
\def\filterfromnext#1#2% max n {..}{..}{..}{..}
{\csname\dofilterfromstr{#1}{#2}\endcsname}
% new, selectors
\definesystemvariable{sx}
\def\defineselector{\dodoubleargument\dodefineselector}
\def\setupselector {\dodoubleargument\dosetupselector}
\def\dodefineselector[#1][#2]{\getparameters[\??sx#1][\c!max=2,\c!n=1,#2]}
\def\dosetupselector [#1][#2]{\getparameters[\??sx#1][#2]}
\unexpanded\def\select#1%
{\filterfromnext
{\executeifdefined{\??sx#1\c!max}1}
{\executeifdefined{\??sx#1\c!n }1}}
\defineselector[caption][max=2,n=1]
\start
\setupselector[caption][n=1]
\placelist[figure][criterium=all]
\stop
\starttext
\placefigure
{\select{caption}{zapf}{\input zapf \relax}}
{}
\stoptext
i'll add selectors to the core
Hans
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next prev parent reply other threads:[~2006-05-05 12:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-01 17:17 Johannes Graumann
2006-05-05 7:40 ` Taco Hoekwater
2006-05-05 22:35 ` Johannes Graumann
2006-05-05 12:42 ` Hans Hagen [this message]
2006-05-05 15:30 ` Johannes Graumann
2006-05-06 0:11 ` Johannes Graumann
2006-05-06 22:34 ` Mojca Miklavec
2006-05-07 18:15 ` Hans Hagen
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