From: Andrew Dunbar (hippietrail@yahoo.com)
Date: Mon Jan 20 2003 - 21:51:43 EST
--- Martin Sevior <msevior@physics.unimelb.edu.au>
wrote: > On Sun, 12 Jan 2003, Johan Björk wrote:
>
> > QNX/Photon does this by making the cursor
> horizontal instead of
> > vertical, the lenght of one char.
> > I personaly thinks this might be a bit better, as
> it's more subtile and
> > I don't like big warning signs for something as
> common as INS/OVR as
> > it's a really handy feature :)
> >
> > Then again, if we want a huge and big 'warning'
> the square is probably
> > better.
>
>
> Hmm upon reflection, both the square and the
> underline have the issue that
> the width changes with the character you're
> overwriting. So for example a
> square the covers a "i" is narrower than a square
> that covers an "m". It
> would be impossible to complete cover the an italic
> "f" in Times New Roman
> since it overlaps the previous character.
>
> We'd need to change findPointCoords() to get this
> width no impossible but
> a bit of a pain.
Of course there will also be some i18n issues such as
taking combining characters ang ligatures into account
as well as bidi cursor/caret specialties.
Andrew Dunbar.
> Cheers
>
> Martin
>
>
=====
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