Re: [libreoffice-users] anchoring frame to character - problems positioning

On 04/09/15 21:10, libreoffice-ml.mbourne@spamgourmet.com wrote:
> Mike Scott wrote:
...
> > The goal is to print music lyrics with chord (text) appropriately
> > aligned above the lyrics. The ultimate goal is to create the .odt
> > document programmatically: I'm most of the way there, but the way
> > positioning works in conjunction with 'anchor to character' has me
> > baffled.
> >
> > I'm using a frame to hold the chord text, and trying to attach the frame
> > to a given character below in the lyric line, using 'anchor to
> > character'. Horizontal position is no bother at all - with the text
> > centred in the frame, and the frame centred on the lyrics character,
> > things look good.
> >
> > However, vertical positioning is another matter. It's not at all clear
...


> I'm not sure, but it may be that you're trying to put the frame so close
> to the text that the wrapping is having an effect - pushing the text out
> the way of the frame (while the frame is trying to follow the text!)
>
> Take a look at the Format > Frame > Wrap tab. I think you'll want the
> main wrap setting to be "Through", and maybe also set the "Spacing"
> values to zero. You may or may not also want to set "In background",
> depending whether there is any overlap and how you want that handled.
>
> Hope that helps.
> Mark.

Thanks for that. I have progressed a fair bit since my last note. You're 
right about the wrap - that was set wrongly, and should have been set to 
'through': this was getting muddled with other issues.

Currently, it "sort of works" and what I have is just about usable. 
However, there are a couple of issues:

* I've had to set line spacing to fixed rather than proportional: using 
eg simple double-space makes lines at top of page go wrong, because the 
text line is right at the top with no space for the chord frames (which 
then appear below the text), while my fixed spacing leaves a gap at the 
top into which the frames fit.

* sometimes on the bottom line of a page, the chord frames seem to 
become "detached" from their characters: the anchor points show in the 
frames' top-left corners rather than next to the anchor character, they 
don't all (!) move with the text, and they are positioned a bit too low 
above the text (but still usable).

As I said, it's usable now, but all just a bit too sensitive to sizes 
and spacings for my liking. My intention was that my (perl) code produce 
a usable .odt file to be tweaked up using LO, changing the 
perl-generated styles. The tweaking (eg to make things a better fit on 
the page) can quite upset the overall layout in unexpected ways.


I'm still wondering why the line spacing in LO has a max of 200% in the 
dialogue box. It can easily go higher in the xml. Does anyone else 
reckon this is worth logging as a bug?


Thanks again for the comments.


--
Mike Scott
Harlow, Essex, England

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