[Mlterm-dev-en] Scrollback etc in cjk-mode

[Karl K. <ko...@or...>]

Hi ,

One of the new options added is -G cjk, which adds right-to-left,
to-to bottom text.
This leads to some wishes for the wishlist:
a) scrollback should work left-to-right, not bottom-to-top.
b) arabic from bottom-to-top looks strange, especially as it is=20
   not joined. One could think of doing bidi the following way:
   + right-to-left: rotate 90deg counterclockwise
   + left-to-right:=A0maybe rotate 90deg clockwise

In attempting b), I have a question:
In ml_font.c, the font-name is created with:
=20
 sprintf( fontname , "-*-%s-%s-%s-%s--%d-*-%s-*-%s" ,
          family , weight , slant , width , fontsize , spacing , encoding) =
;

This specifies pointsize to be '*', and leaves out xres and yres values.
Is there a reason to not do a full specification, that is:

 sprintf( fontname , "-*-%s-%s-%s-%s--%d-*-*-*-%s-*-%s" ,
          family , weight , slant , width , fontsize , spacing , encoding) =
;

( the three stars being pointsize, xres,yres ).
Only then, rotation seems to work in a reliable way: 90deg becomes

 sprintf( fontname , "-*-%s-%s-%s-%s--[0 %d ~%d 0]-*-*-*-%s-*-%s" ,
=09   family , weight , slant , width , fontsize ,=20
=09   fontsize , spacing , encoding) ;

Of course, one has to alloca more memory and _not_ rotate asian glyphs .. =
=20
As a side-note, those X11R5-servers need an own solution: best they
die out ( but there still are some here ).=20


=09Karl