Re: float over both text and margin

[Hans Hagen <pragma@wxs.nl>]

Vit Zyka wrote:

> Hi.
>
> 1) I am unsuccessfully solving the problem of making float spanning 
> both text and margin. More over, it is inside columnset... Example 
> follows. Is there some solution?
> -----------------------------------------
> \showframe
> \setupcolors[state=start]
> \setuplayout[margin=0pt,rightmargin=1.5cm,width=middle]
>
> \starttext
> \startcolumnset
>   \dorecurse{2}{\input knuth \endgraf\blank}
>   \placefloat[page]{none}
>     {\framed
>      [width=\dimexpr\makeupwidth+\rightmarginwidth+
>                     \rightmargindistance\relax,
>       height=\textheight]
>      {Here I would like to be a float over both text and margin. How?}
>     }
>   \dorecurse{10}{\input knuth \endgraf\blank}
> \stopcolumnset
>
> \stoptext
> -----------------------------------------
>
> 2) As a side effect I discover that in the following example the float 
> is over the text (so some text is disappeared).
> -----------------------------------------
> \showframe
> \setupcolors[state=start]
> \setuplayout[margin=0pt,rightmargin=1.5cm,width=middle]
>
> \starttext
> \startcolumnset
>   \dorecurse{2}{\input knuth \endgraf}
>   \placefloat[page]{none}
>     {\framed
>        [width=\makeupwidth,height=\textheight,background=screen]
>        {Here I would like to be a float over both text and margin. How?}
>     }
>   \dorecurse{10}{\input knuth \endgraf}
> \stopcolumnset
>
> \stoptext
> -------------------------------------------

don't use \placefloat.

\definefloat
  [pagefigure]
  [figure]
\setupfloat
  [pagefigure]
  [default={page,none},
   location=inner]

  \dorecurse{3}{\input knuth \endgraf\blank}
  \placepagefigure
      {}
     {...}

etc

maybe the next helps, but i hesitate to include this patch too fast

def\dogetfloat
  {\ifsomefloatwaiting
     \global\setbox\floatlist\vbox
       {\unvbox\floatlist
        \global\setbox\globalscratchbox\lastbox}%
     \ifcenterfloatbox
       \ifdim\wd\globalscratchbox<\hsize
         \setbox\floatbox\hbox to \hsize{\hss\box\globalscratchbox\hss}%
       \else
         \setbox\floatbox\box\globalscratchbox % local !
\wd\floatbox\makeupwidth
       \fi
     \else
       \setbox\floatbox\box\globalscratchbox % local !
     \fi
     \global\advance\savednoffloats \minusone
     \ifcase\savednoffloats
       \global\somefloatwaitingfalse
     \fi
   \else
     \global\savednoffloats\zerocount
     \global\setbox\floatbox\box\voidb@x
   \fi}

Hans