Thank you Rune,
Your trick is just ...fine !
It looks very promising. I'm not sure I understand its _exact_
behaviour, or LilyPond's behaviour towards text layout tweaks,
but I post hereby the results of my investigations, starting
with your snippet.
Please have a look at the following source : I ask some questions
in the comments.
Oh, this _text_ layout issue may not be "hot" for _music_ typesetters ?
Anyway, I hope someone (many!) is involved in these artistic
considerations.
Best regards,
Germain
%%%%%%%%%%%%%%% begin source %%%%%%%%%%%%%%%
\version "2.11.26" %(windows)
%%% Illustration to the thread "Re:[layout tweaks] 1. fill-line"
%%% Germain G.I.T. (19.06.2007)
%%% (better read with a fixed point font !)
\header
{
% First version :
myIndex = "№ 210"
myGap = #8.0
myTitle = "|AZERTYUIOP|"
mySubtitle = "|AZERTYUIOP|"
% Here, the 'title' is output _almost_ at the center of the page
% (with a little shift to the right) while the 'index' is put
% 'gap' spaces away from 'title', on the left side.
% => Is it possible to hit the _exact_ center for 'title' ?
% => By the way, how to specify 'gap' in millimeters ?
title = \markup \large \fill-line { \line {
% '\large' is only used to highlight 'title' position
% with respect to 'subtitle' pos.
\with-dimensions #'(0 . 0) #'(0 . 0)
\right-align \fromproperty #'header:myIndex
\hspace #myGap
\fromproperty #'header:myTitle
\hspace #myGap
% if the next line is missing, 'subtitle' (second version)
% will not <center align> with 'title' (*)
\right-align " "
}}
% I pointed you at a strange ...feature(?)...
% in the first message of this thread :
% "[layout tweaks] 1. fill-line"
% Indeed, the next two lines are not equivalent.
% Here, the second line is better than the first,
% but still doesn't _center_ the 'subtitle' on the page
% (it puts it the same way as the 'title')
% exact center :
% subtitle = #mySubtitle
% a bit shifted to the right ; hits the same "center point"
% than 'title' when (*) is inserted. (by chance ?)
subtitle = \markup \fill-line { \fromproperty #'header:mySubtitle }
}
%{
% Second version :
% This version produces _bad_ output.
% (uncomment the outside brackets to test it)
% (and don't forget to comment out the first version, above)
% => Is it possible to use "center-align" there ?
myIndex = "№ 210"
myGap = #8.0
myTitle = "|AZERTYUIOP|"
mySubtitle = "|AZERTYUIOP|"
title = \markup \large \fill-line { \line {
\with-dimensions #'(0 . 0) #'(0 . 0)
\right-align \fromproperty #'header:myIndex
\hspace #myGap
\center-align {
\fromproperty #'header:myTitle
\fromproperty #'header:mySubtitle
}
\hspace #myGap
}}
% highlight the _real_ center :
subtitle = #mySubtitle
%}
\score {c''}
\layout{}
%%%%%%%%%%%%%%% end source %%%%%%%%%%%%%%%
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