Re: [NTG-context] centered headertexts ??

27 Jul 2006

      Steffen Wolfrum wrote:
...
Hi,
apologies, I guess this one is a pretty easy question, but after  
trying (almost) every combination I gave up...
How do I get xxx and yyy set in the header's center??
the ugly way :

\setupheadertexts[text][\hfill xxx \hfill][][][\hfill yyy\hfill]
...
\setuppagenumbering [alternative=doublesided,location= 
{header,marginedge}]
\setupheadertexts[][xxx][yyy][]
\starttext
\input tufte
\input knuth
\input tufte
\input knuth
\input tufte
\input knuth
\stoptext
we can consider a more explicit variant: 

\def\settext
  {\doquintupleempty\dosettext}

\def\dosettext[#1][#2][#3][#4][#5]% text header middle text/text
  {\iffifthargument
     \setvalue{\??tk#1#2\executeifdefined{\c!text:#3}\c!middletext}%
       {\dodoubletexts{\??tk#1}{#2}%
          {\c!leftstyle \c!leftcolor \c!leftwidth }{#4}%
          {\c!rightstyle\c!rightcolor\c!rightwidth}{#5}}%
   \else\iffourthargument
     \setvalue{\??tk#1#2\executeifdefined{\c!text:#3}\c!middletext}%
       {\dodoubletexts{\??tk#1}{#2}%
          {\c!leftstyle \c!leftcolor \c!leftwidth }{#4}%
          {\c!rightstyle\c!rightcolor\c!rightwidth}{#4}}%
   \else\ifthirdargument
     \setvalue{\??tk#1#2\c!middletext}%
       {\dodoubletexts{\??tk#1}{#2}%
          {\c!leftstyle \c!leftcolor \c!leftwidth }{#3}%
          {\c!rightstyle\c!rightcolor\c!rightwidth}{#3}}%
   \fi\fi\fi}

\def\resettext
  {\dotripleempty\doresettext}

\def\doresettext[#1][#2][#3]% text header middle
  {\ifthirdargument
     \letvalue{\??tk#1#2\executeifdefined{\c!text:#3}\c!middletext}\empty
   \else\ifsecondargument
     \letvalue{\??tk#1#2\c!lefttext  }\empty
     \letvalue{\??tk#1#2\c!middletext}\empty
     \letvalue{\??tk#1#2\c!righttext }\empty
   \fi\fi}

\setvalue{\c!middle:\c!text}{\c!middletext}
\setvalue{\c!left  :\c!text}{\c!lefttext  }
\setvalue{\c!right :\c!text}{\c!righttext }

\settext[text][header][middle][xxx][yyy]

(or maybe \setpagetext \resetpagetext) 

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