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+%D \module
+%D [ file=s-pre-12,
+%D version=1999.08.20,
+%D title=\CONTEXT\ Style File,
+%D subtitle=Presentation Environment 12,
+%D author=Hans Hagen,
+%D date=\currentdate,
+%D copyright={PRAGMA / Hans Hagen \& Ton Otten}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+\setuppapersize
+ [S6][S6]
+
+\setuplayout
+ [topspace=0cm,
+ backspace=0cm,
+ header=0pt,
+ footer=0pt,
+ width=middle,
+ height=middle]
+
+\setupbodyfont
+ [14.4pt,lbr]
+
+\setupcolors
+ [state=start]
+
+\setupinteraction
+ [click=no,
+ display=new,
+ state=start]
+
+\setupinteractionscreen
+ [option=max]
+
+\def\SomeShape%
+ {\resetMPdrawing
+ \startMPdrawing
+ path p ; pair a, b ;
+ ahlength := .375cm ;
+ StartPage ;
+ draw Page %unitsquare
+ %xscaled PaperWidth yscaled PaperHeight
+ withpen pencircle scaled .5cm
+ withcolor \MPcolor{EdgeColor} ;
+ \stopMPdrawing
+ \dorecurse{\CurrentTopic}
+ {\startMPdrawing
+ initialize_box(\MPpos{topic-\realfolio-\recurselevel}) ;
+ p := tensecircle (wxy,hxy,.25cm) shifted cxy ;
+ fill p withcolor .9white ;
+ pickup pencircle scaled .25cm ;
+ \ifnum\recurselevel=\CurrentTopic
+ draw p withcolor \MPcolor{ShowColor} ;
+ a := bot point 7 of p ;
+ \else
+ draw p withcolor \MPcolor{DoneColor} ;
+ \fi
+ \stopMPdrawing}
+ \dorecurse{\CurrentMaxItem}
+ {\startMPdrawing
+ initialize_box(\MPpos{item-\realfolio-\recurselevel}) ;
+ linewidth := .25cm ;
+ p := tensecircle (wxy,hxy,linewidth) shifted cxy ;
+ fill p withcolor .9white ;
+ pickup pencircle scaled linewidth ;
+ b := rt point 3 of p ;
+ \ifnum\recurselevel=\CurrentMaxItem
+ draw p withcolor \MPcolor{ShowColor} ;
+ \else
+ draw p withcolor \MPcolor{DoneColor} ;
+ \fi
+ dxab := xpart a-xpart b ;
+ dyab := ypart a-ypart b ;
+ sign := if dyab>0 : - fi 1 ;
+ drawarrow
+ a --
+ a shifted (+2linewidth-dxab/2,0) {left} ..
+ if abs(dyab)>4linewidth :
+ a shifted (-dxab/2,+sign*2linewidth) --
+ b shifted (+dxab/2,-sign*2linewidth) ..
+ fi
+ {left} b shifted (-2linewidth+dxab/2,0) --
+ b
+ withcolor \MPcolor{ArrowColor} ;
+ \stopMPdrawing}%
+ \startMPdrawing
+ StopPage ;
+ \stopMPdrawing
+ \MPdrawingdonetrue
+ \getMPdrawing}
+
+\definecolor[PageColor][r=.5,g=.4,b=.3]
+\definecolor[LineColor][r=.7,g=.6,b=.5]
+
+\definecolor[PageColor] [s=.60]
+\definecolor[ShowColor] [r=.40]
+\definecolor[EdgeColor] [g=.40]
+\definecolor[DoneColor] [r=.40,g=.40]
+\definecolor[ArrowColor] [b=.40]
+\definecolor[LineColor] [r=.60,g=.60]
+\definecolor[GotoColor] [ArrowColor]
+
+\setupinteraction[color=GotoColor,contrastcolor=GotoColor]
+
+\defineoverlay [shape] [\SomeShape]
+\defineoverlay [next] [\overlaybutton{forward}]
+
+\setupbackgrounds
+ [page]
+ [background={color,next,shape},
+ backgroundcolor=PageColor]
+
+\doglobal\newcounter\CurrentItem
+\doglobal\newcounter\CurrentTopic
+\doglobal\newcounter\CurrentMaxItem
+
+\def\StartIdea%
+ {\doglobal\newcounter\CurrentItem}
+
+\def\StartTopic%
+ {\doglobal\increment\CurrentTopic
+ \dostartbuffer[topic-\CurrentTopic][StartTopic][StopTopic]}
+
+\def\StopIdea%
+ {\dorecurse{\CurrentItem}
+ {\let\CurrentMaxItem\recurselevel
+ \doStopIdea}}
+
+\def\IdeaWidth {.6\makeupwidth} % .5
+\def\TopicWidth{.2\makeupwidth} % .3
+
+\def\doStopIdea%
+ {\startstandardmakeup
+ \dontcomplain
+ \vbox to \makeupheight
+ {\vskip.75cm \relax % \vfill
+ \dorecurse{\CurrentMaxItem}
+ {\edef\Item{item-\realfolio-\recurselevel}
+ \hbox to \makeupwidth
+ {\hskip.75cm
+ \hpos
+ {\Item}
+ {\framed
+ [width=\IdeaWidth,frame=off,
+ align=middle,offset=.125cm]
+ {\getbuffer[item-\recurselevel]}}}
+ \vskip.875cm}
+ \vfill}
+ \vskip-\makeupheight
+ \vbox to \makeupheight
+ {\vskip.75cm \relax
+ \dorecurse{\CurrentTopic}
+ {\edef\Topic{topic-\realfolio-\recurselevel}
+ \hbox to \makeupwidth
+ {\hfill
+ \hpos
+ {\Topic}
+ {\framed
+ [width=\TopicWidth,frame=off,
+ align=middle,offset=.25cm]
+ {\getbuffer[topic-\recurselevel]}}%
+ \hskip.75cm}
+ \vskip.875cm}
+ \vfill}
+ \stopstandardmakeup}
+
+\def\StartItem%
+ {\doglobal\increment\CurrentItem
+ \dostartbuffer[item-\CurrentItem][StartItem][StopItem]}
+
+\lefthyphenmin =\maxdimen
+\righthyphenmin=\maxdimen
+
+\def\TitlePage#1%
+ {\startstandardmakeup
+ \setupalign[middle]
+ \def\\{\vfil\bfb\setupinterlinespace}
+ \bfd\setupinterlinespace
+ \vfil#1\vfil\vfil
+ \stopstandardmakeup}
+
+\endinput
+
+% \starttext
+%
+% \StartIdea
+% \StartTopic
+% What a topic
+% \StopTopic
+% \StartItem
+% \input reich \relax
+% \StopItem
+% \StartItem
+% \input reich \relax
+% \StopItem
+% \StartItem
+% \input reich \relax
+% \StopItem
+% \StopIdea
+%
+% \StartIdea
+% \StartTopic
+% One More Nice Idea
+% \StopTopic
+% \StartItem
+% \input reich \relax
+% \StopItem
+% \StartItem
+% \input reich \relax
+% \StopItem
+% \StopIdea
+%
+% \StartIdea
+% \StartTopic
+% The Last Idea
+% \StopTopic
+% \StartItem
+% \input tufte \relax
+% \StopItem
+% \StopIdea
+%
+% \stoptext