Hi Kavian,
Thank you very much for your help, your solution corresponds to what I was
trying to do even if it uses another approach.
Fabrice

2017-01-30 14:54 GMT+01:00 Otared Kavian <otared@gmail.com>:

> Hi Fabrice,
>
> In order to have the box aligned with the text, it is enough to use the
>  \lower command as in the exmaple below.
> Best regards: Otared K.
>
> %% begin
> \startuniqueMPgraphic{MyShape}
> path p ;
> p := unitsquare xscaled \overlaywidth yscaled \overlayheight ;
> pickup pencircle scaled \overlaylinewidth ;
> fill p withcolor \MPcolor{\overlaycolor} ;
> draw p withcolor \MPcolor{\overlaylinecolor} ;
> \stopuniqueMPgraphic
> \setuplayout[grid=yes]
> \defineoverlay[MyBackgroundLayer][\uniqueMPgraphic{MyShape}]
>
> \define[1]\MyExoCommand{%
> \lower\strutdepth\hbox{\startframed
> [background=MyBackgroundLayer,
> frame=off,
> % width=3cm,
> align=flushleft,
> backgroundcolor=darkred]
> {\white Exercice #1}
> \stopframed}
> }
> \defineenumeration[ex]
> [text=,
> title=yes,
> titleleft=,
> titleright=,
> width=fit,
> alternative=top,
> number=yes,
> numbercommand=\MyExoCommand]
>
>
> \showgrid
> \starttext
>
> \startex{Pour tous les candidats \hfill 5 points}
>   \input ward
> \stopex
>
> \stoptext
> %% end
>
> On 29 Jan 2017, at 23:04, Fabrice Couvreur <fabrice1.couvreur@gmail.com>
> wrote:
>
> Hello Kavian,
> Thank you for your answer, it's good for the parentheses. For the
> command, I found only this which does not exactly answer what I want to do.
> Fabrice
>
> \defineenumeration
>   [ex]
>   [text={Exercice},
>    headcommand=\EXFRAME,
>    titleleft=,
>    titleright=,
>    title=yes,
>    width=fit,
>    numberconversionset=ACCONVERSION,
>    alternative=top,
>    number=yes]
>
> 2017-01-29 12:02 GMT+01:00 Otared Kavian <otared@gmail.com>:
>
>> Hi Fabrice,
>>
>> To suppress the parentheses in the title, you can use the keys titleleft
>> and titleright as in the following:
>>
>> \defineenumeration
>>   [ex]
>>   [text=Exercice,
>>    title=yes,
>>    titleleft=,
>>    titleright=,
>>    width=fit,
>>    numberconversionset=ACCONVERSION,
>>    alternative=top,
>>    number=yes]
>>
>> In order to put the word « Exercice » in the frame you should define a
>> special command, for instance \MyTextCommand and the say text =
>> \MyTextCommand
>>
>> Best regrads: OK
>>
>> On 29 Jan 2017, at 09:07, Fabrice Couvreur <fabrice1.couvreur@gmail.com>
>> wrote:
>>
>> Hello,
>> I would like a title without the parentheses and the text "Exercice" in
>> the frame with the number.
>> Thank you.
>> Fabrice
>>
>> \defineframed
>>   [EXFRAME]
>>   [frame=off,
>>    offset=0pt,
>>    location=low,
>>    width=\struttotal,
>>    background=color,
>>    backgroundcolor=darkred,
>>    foregroundcolor=white,
>>    forgroundstyle=bold]
>>
>> \defineprocessor[ACPROCESSOR][command=\EXFRAME]
>> \defineconversionset[ACCONVERSION][][ACPROCESSOR->n]
>>
>> \defineenumeration
>>   [ex]
>>   [text=Exercice,
>>    title=yes,
>>    width=fit,
>>    numberconversionset=ACCONVERSION,
>>    alternative=top,
>>    number=yes]
>>
>> \starttext
>>
>> \startex{Pour tous les candidats \hfill 5 points}
>>   \input ward
>> \stopex
>>
>> \stoptext
>>
>>
>>
>> ____________________________________________________________
>> _______________________
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>
> ____________________________________________________________
> _______________________
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@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
> ____________________________________________________________
> _______________________
>
>
>
> ____________________________________________________________
> _______________________
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@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
> ____________________________________________________________
> _______________________
>