Interactive slides---hidden field on every page

* Interactive slides---hidden field on every page
@ 2007-09-17  5:34 Michal Kvasnička
  2007-09-17 14:28 ` Peter Rolf
  0 siblings, 1 reply; 3+ messages in thread
From: Michal Kvasnička @ 2007-09-17  5:34 UTC (permalink / raw)
  To: ConTeXt

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Good morning or whatever you have now in Europe.

It seems that my mail have come to the list, so I dare to repost it:

I'm preparing my slides. Every slide is divided to three parts
(backgrounds): text, header, and bottom. I've got the navigation buttons in
the bottom. Now I'd like to add one more button that would open a field on
the current page---a field containing the list of content. I'd like it to go
to the \Topic I want to discuss and disappear.

I tried this:

\definefield[Content][check][HelpSetup][content][content]
\setupfields[reset]
\setupfield[HelpSetup]
  [width=fit,height=fit,frame=off,option={readonly,hidden}] %
\definesymbol[content][\SomeContentText]
\def\SomeContentText{%
  \startframedtext
    [width=\textwidth, height=fit, frame=on,
     background=color, backgroundcolor=tmava,framecolor=svetla]%
      \placecontent}
  \stopframedtext
}
%
\setupbackgrounds
  [text]
  [%backgroundoffset=10pt,%.5cm,
   background={contentmenu,nextpage}]
%
\defineoverlay
  [ContentOnOff]

[{\goto{\framed[width=\overlaywidth,height=\overlayheight,frame=off]{\hss}}%

     [JS(Toggle_Hide{Content})]}]%\overlaybutton{JS(Toggle_Hide{Content})}]
%
\startinteractionmenu[bottom]
  \setupinteraction
    [color=svetla,
     contrastcolor=black]
  \hbox to 600pt{%
    \raise0.4em\hbox{%
      \framed[width=3em, height=0.7em, frame=off,
background={PageCounter,ContentOnOff}]{}}
    \hss
    \interactionbuttons[frame=off, width=8em]
     [firstpage,
      previouspage,nextpage,
      lastpage,
      PreviousJump,NextJump]%
    \hbox to 1cm{\hss}%
    \hbox to 44mm{%
      \interactionbuttons[frame=off][CloseDocument]\hss}%
 }

However, it doesn't work:

1. The list of content is placed only on one page, not at all of them as I
would like.

2. The field supposed to show/hide it isn't clickable---it isn't
interactive, and does nothing.

3. I use \Topic and \Subject as heads, and I don't know how to put them to
the list of content.

Can you possibly help me to solve this problem?

Sincerely yours
Michal Kvasnicka

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