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%D \module
%D   [       file=page-mak, % copied from main-001,
%D        version=1997.03.31,
%D          title=\CONTEXT\ Page Macros,
%D       subtitle=Simple MakeUp,
%D         author=Hans Hagen,
%D           date=\currentdate,
%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.

\writestatus{loading}{ConTeXt Page Macros / MakeUp}

\unprotect

%D \macros
%D   {definemakeup, setupmakeup, startmakeup}
%D
%D A makeup is a separate page, like a title page or colofon.
%D There is one standard makeup page, but you can define more
%D if needed.
%D
%D \starttyping
%D \startstandardmakeup
%D   My Fancy Title
%D \stopstandardmakeup
%D \stoptyping
%D
%D The associated commands are:
%D
%D \showsetup{definemakeup}
%D \showsetup{setupmakeup}
%D \showsetup{startmakeup}

%D New is that we have a layout with the same name so one can set
%D up a special layout tthat then gets used.

\installcorenamespace{makeup}
\installcorenamespace{makeupdoublesided}

\installcommandhandler \??makeup {makeup} \??makeup

\appendtoks
   \setuevalue{\e!start\currentmakeup\e!makeup}{\startmakeup[\currentmakeup]}%
   \setuevalue{\e!stop \currentmakeup\e!makeup}{\stopmakeup}%
   \doiflayoutdefinedelse\currentmakeup\donothing{\definelayout[\currentmakeup]}% new
\to \everydefinemakeup

%D The \type{\start}||\type{\stop} macros are used for both
%D the direct and indirect way. The parameterless call will
%D build a simple box.

\unexpanded\def\startmakeup
  {\dodoubleempty\page_makeup_start}

\let\stopmakeup\relax

\def\page_makeup_start
  {\iffirstargument
      \expandafter\page_makeup_start_yes
   \else
      \expandafter\page_makeup_start_nop
   \fi}

%D The simple case: just a box with text dimensions.

\unexpanded\def\page_makeup_start_nop[#name][#settings]% dummies
  {\page
   \setupheader[\c!state=\v!empty]%
   \setupfooter[\c!state=\v!empty]%
   \bgroup
   \forgetall % else indented flush
   \dontcomplain
   \vbox to \textheight \bgroup
     \setsystemmode\v!makeup
     \hsize\textwidth
     \let\stopmakeup\page_makeup_stop_nop}

\unexpanded\def\page_makeup_stop_nop
  {\egroup
   \egroup
   \page}

%D The normal variant.

\newbox \b_page_makeup
\newtoks\t_page_makeup_every_setup

\def\page_makeup_start_yes[#name][#settings]%
  {\doifelsenothing{\namedmakeupparameter{#name}\c!page}
     {\page}% new, so best not have dangling mess here like references (we could capture then and flush embedded)
     {\page[\namedmakeupparameter{#name}\c!page]}%
   \startlayout[#name]% includes \page
   \bgroup
   \edef\currentmakeup{#name}%
   \setupcurrentmakeup[#settings]%
   \setsystemmode\v!makeup
   \the\t_page_makeup_every_setup
   \makeupparameter\c!commands % hm, what is this one doing here ?
   \forgetall % else indented flush
   \dontcomplain
   \global\setbox\b_page_makeup\vbox to \makeupparameter\c!height \bgroup
     \usemakeupstyleandcolor\c!style\c!color
     \hsize\makeupparameter\c!width
     \setupalign[\makeupparameter\c!align]%
     \doprocesslocalsetups{\makeupparameter\c!setups}% lua(..),xml(...,..),tex(..)
     \makeupparameter\c!top
     \let\stopmakeup\page_makeup_stop_yes}

\unexpanded\def\page_makeup_stop_yes
  {\endgraf
   \makeupparameter\c!bottom
   \egroup
   \pushpagestate % new
   \makeupparameter\c!before
   \relax % to be sure we don't enter the \if
   \ifdim\ht\b_page_makeup>\vsize
     \ht\b_page_makeup\vsize % is already set to \textheight (maybe set dp to 0)
   \fi
   \setuppagenumber[\c!state=\makeupparameter\c!pagestate]%
   \box\b_page_makeup
   \the\t_page_makeup_every_setup
   \page
   \makeupparameter\c!after
   \relax % to be sure we don't enter the \if
   \ifdoublesided \ifodd\realpageno \else
     \getvalue{\??makeupdoublesided\makeupparameter\c!doublesided}%
   \fi \fi
   \poppagestate % new
   \egroup
   \stoplayout} % includes \page

\setvalue{\??makeupdoublesided\v!yes}%
  {\emptyhbox
   \page}

\setvalue{\??makeupdoublesided\v!empty}%
  {\the\t_page_makeup_every_setup
  % == \page[\v!dummy]
   \page[\v!blank]%
   \emptyhbox
   \page}

%D The text surrounding the main body text can be influenced
%D by setting their associated status variables. The
%D connection between them is made by the following macro

\appendtoks % this might need a revision
    \setupfooter[\c!state=\makeupparameter\c!footerstate]%
    \setupheader[\c!state=\makeupparameter\c!headerstate]%
    \setuptext  [\c!state=\makeupparameter\c!textstate]%
    \setupbottom[\c!state=\makeupparameter\c!bottomstate]%
    \setuptop   [\c!state=\makeupparameter\c!topstate]%
\to \t_page_makeup_every_setup

%D The standard page template is defined as follows:

\setupmakeup
  [\c!width=\innermakeupwidth,  % example in manual / was \makeupwidth
   \c!height=\textheight,       % example in manual
  %\c!commands=,
  %\c!setups=,
  %\c!color=,
  %\c!align=,
  %\c!before=,
  %\c!after=,
   \c!page=\v!right,
   \c!doublesided=\v!empty,
   \c!top=\vss,
   \c!bottom=\vss,
   \c!bottomstate=\v!normal,
   \c!topstate=\v!normal,
   \c!textstate=\v!normal,
   \c!headerstate=\v!stop,
   \c!footerstate=\v!stop,
   \c!pagestate=\v!stop] % in manual ! ! !

\definemakeup
  [\v!standard]
  [\c!width=\innermakeupwidth,
   \c!height=\textheight,
   \c!page=\v!right,
   \c!doublesided=\v!empty]

\definemakeup
  [\v!text]
  [\c!topstate=\v!start,
   \c!headerstate=\v!start,
   \c!textstate=\v!start,
   \c!footerstate=\v!start,
   \c!bottomstate=\v!start,
   \c!doublesided=\v!no,
   \c!page=\v!yes,
   \c!top=\pseudostrut\ignorespaces,
   \c!bottom=\obeydepth\vss]

\definemakeup
  [\v!page]
  []

\definemakeup
  [\v!middle]
  [\v!standard]

% \definelayout[standard]
% \definelayout[text]

\protect