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From: "Giuseppe Bilotta (Oblomov)" <oblomov@freemail.it>
Newsgroups: gmane.comp.tex.context
Subject: Re: PDF "dirty" trick
Date: Thu, 14 Sep 2000 21:50:25 +0200
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That's _exactly_ what I wanted (even too much :-)). It also explains why I
didn't manage to do it with "normal" pdfTeX commands ---it required
JavaScript.

Now for a harder one: pop-up window reacting when the mouse passes over a
certain point (no need to click)? I've seen in the PDF tech ref it is
possible, and know the PDF implementation. What about ConTeXt?

Hans Hagen wrote:
> At 10:36 PM 9/13/00 +0200, Giuseppe Bilotta (Oblomov) wrote:
> >Hello,
> >
> >what I would like to obtain:
> >
> >in a PDF "interactive" document, I would like to have a pop-up window
> >containing some typeset material (sort of a "minipage" in a pop-up
window).
> >
> >how did i try to do it:
> >
> >I managed to create pop-up notes, but they can only contain "normal
text",
> >they are resizable by the user, etc.
> >
> >I managed to create xforms, but I can only place them in the document,
not
> >in a pop-up environment.
> >
> >Is it possible to obtain what I want? If yes, can somebody give me some
> >clue?
>
> This kind of problems is easy to solve on the one hand, since the
> functionality is already there, but not always easy to use, since you need
> to sync with the otr (output routine). But you're lucky. A quick demo in
> tex, mp and widgets:
>
> % output=pdftex
>
> \setuppapersize[S6][S6]
> \setupbodyfont[pos]
> \setuplayout[width=middle,height=middle]
> \setuptexttexts[\helpdata]
> \setupframedtexts[helptext][background=myframe]
> \setupcolors[state=start]
> \setupinteraction[state=start]
> \setupbuttons[frame=off,background=myframe]
>
> \defineoverlay[myframe][\uniqueMPgraphic{myframe}]
>
> \startuniqueMPgraphic{myframe}
>   path p ; p := unitsquare
>     xyscaled(\overlaywidth,\overlayheight) superellipsed .90 ;
>   fill p withcolor .85yellow ;
>   draw p withpen pencircle scaled 2pt withcolor .85red ;
> \stopuniqueMPgraphic
>
>
> \starttext
>
> \starthelptext[test]
>   Now, how many hidden features do you think that are present
>   in \ConTeXt ? Actually this one is not that hidden, since
>   it's used in the flow chart module. This undocumented
>   feature is implemented in \type {core-hlp.tex}.
> \stophelptext
>
> \input tufte
>
> \setpagehelpdata{test}
>
> \setupfootertexts
>   [{\button{show help}[JS(Vide_Fields{help:test})]\quad
>     \button{hide all that help}[JS(Hide_Fields)]}]
>
> \stoptext
>