[NTG-context] Cascaded description

Hans Hagen j.hagen at xs4all.nl
Sat Apr 6 12:45:31 CEST 2019


On 4/6/2019 11:08 AM, Procházka Lukáš Ing. wrote:
> Hello,
> 
> I finally found a solution (which doesn't use \description or any other 
> Ctx command) (and which may be clumsy - I'm not so good in tex 
> programming):
> 
> ----
> \def\IndByText#1{%
>    \newbox\IndByTextBox
>    \newdimen\IndByTextBoxWd
>    \setbox\IndByTextBox\hbox{#1}%
>    \IndByTextBoxWd=\wd\IndByTextBox
>    \advance\leftskip by\IndByTextBoxWd
>    \def\Left##1{%
>      \hskip-\IndByTextBoxWd
>      \hbox to\IndByTextBoxWd{##1\hfill}%
>      \ignorespaces
>    }%
>    \ignorespaces
>    \setupindenting[no]%
> }
> 
> \starttext
>    \input knuth
> 
>    \bgroup
>      \IndByText{\bold{Abcdef~}}
>      \Left{\bold{Abcdef}}
>        \input knuth
> 
>        \bgroup
>          \IndByText{\bold{Klmnopqr~}}
>          \Left{\bold{Klmnopqr}}
>            Something
> 
>          \Left{\bold{Shorter}}
>            \input knuth
>        \egroup
>    \egroup
> \stoptext
> ----
> 
> The only thing I cannot get rid of is a warning in the log:
> 
> "
> warning         > \box \IndByTextBox is already defined (\relax it first)
> warning         > \dimen \IndByTextBoxWd is already defined (\relax it 
> first)
> "
> 
> How & where to "relax the box"?

that would eventually make you run out of boxes and dimens

just move

\newbox\IndByTextBox
\newdimen\IndByTextBoxWd

outside the macro

> Best regards,
> 
> Lukas
> 
> 
> On Tue, 02 Apr 2019 11:38:18 +0200, Procházka Lukáš Ing. <LPr at pontex.cz> 
> wrote:
> 
>> Hello,
>>
>> I'm trying to get nested descriptions (using "tab") to form a 
>> "cascade". The result should look like:
>>
>> AAA ababababababab
>>      ababababababab
>>
>>      BBB ababababab
>>          ababababab
>>
>>          CCC ababab
>>              ababab
>>
>> <--> indent (margin?) of the first nested description in relation to 
>> its parent
>>       should equal width of parent's head (+ distance?), i.e. width of 
>> "AAA ",
>>
>>      <--> indent (margin?) of the second nested description in 
>> relation to its parent
>>           should equal width of parent's head (+ distance?), i.e. 
>> width of "BBB ",
>>
>> <------> so it should be width of "AAA " + 'width of "BBB " in total.
>>
>> I'm not able to achieve this. My code so far is (and I also played 
>> with various combinations of alternative, margin, hang, indent...):
>>
>> ----
>> \starttext
>>    A
>>
>>    \bgroup
>>      
>> \setuptab[headstyle={\bold\tt},sample=123,width=fit,alternative=left]
>>        \starttab{abc}
>>          \input knuth
>>
>>          \starttab{def}
>>            \input knuth
>>
>>          \stoptab
>>        \stoptab
>>    \egroup
>>
>>    \bgroup
>>      
>> \setuptab[headstyle={\bold\tt},sample=123456,width=fit,alternative=hanging] 
>>
>>        \starttab{ghijkl}
>>          \input knuth
>>
>>          \starttab{mnopqr}
>>            \input knuth
>>
>>          \stoptab
>>        \stoptab
>>    \egroup
>> \stoptext
>> ----
>>
>> - Paragraphs of "abc" and "def": size of indentation of the paragraphs 
>> is good in relation to width of head, but paragraph "def" is not 
>> "cascaded".
>>
>> - Paragraphs "ghijkl" and "mnopqr" are "cascaded" well; but width of 
>> (margin?) is any - it is not related to the width of the sample text.
>>
>> So how to combine both approaches to get the desired result?
>>
>> Best regards,
>>
>> Lukas
>>
>>
> 
> 
> 
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
> 
> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________
> 


-- 

-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------


More information about the ntg-context mailing list