Descriptions and headerwidth, distance and align

Descriptions and headerwidth, distance and align

[Wolfgang Schuster]

Hi all,

I tried to use descriptions in a module from me and get a few unwanted
and wrong results from the settings.

In my first example I try to set the headerwidth to 3cm and the distance between
the header and the text to 1cm. The result I get from this example is a 2cm wide
header and 2cm between the header and the text. I know the real width for the
header is the difference between width and distance and 2cm are correct but this
is a stupid method, changing this will break many documents but a alternative
solution would be to introduce a label headerwidth.

The wrong distance between the header and the text is also a result
from this method,
the description macros reduce the headerwidth by the distance value
and introduce
a extra value between the headerbox and the text, this give me twice
the distance
width and is a bug for me.

Another missing thing is a key headeralign, a workaround for moment is to misuse
the text key but this should be implemented.

\definedescription
  [test]
  [width=3cm,
   text=\hfill, % better headalign=flushright
   distance=1cm]

\starttext

\showframe

\test{One} Text for the first description.

\test{Two} Text for the second description.

\stoptext


My second example deals with the same problem as above (headerwidth is reduced
by distance width) but it gives a completely broken output.

I let ConTeXt calculate the width for the header and set a distance value of 1cm
between the header and text. This works prefect but the text itself is placed in
a box with the width "calculated textwidth - distance" and this is not
enough room
for the text and it is broken into two lines.

\definedescription
  [test]
  [width=fit,
   distance=1cm]

\starttext

\test{First description} Text for the first description.

\test{Second description} Text for the second description.

\stoptext


Greetings,

Wolfgang
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