Hi,

2017-08-11 7:34 GMT+09:00 Andrew Williams <a...@andywilliams.me>:

> Hi,
>
> I added a note to the ticket too but I don't see the "dir" abbreviation as
> being very helpful.
>

I don't want the abbreviation to have a short name, only to have a
different name from the interface, but similar enough :)


> Additionally the right and left aliases are confusing as with text the
> default alignment for a "right" dir will be left align...
>

Not sure this enum applies to text, though? Right now it's intended for
layouts.

See T5870


> Andy
> On Thu, 10 Aug 2017 at 07:15, Jean-Philippe André <j...@videolan.org>
> wrote:
>
> > Hi,
> >
> > 2017-07-31 18:32 GMT+09:00 Jean-Philippe André <j...@videolan.org>:
> >
> > >
> > >
> > > 2017-07-31 18:24 GMT+09:00 Simon Lees <sfl...@suse.de>:
> > >
> > >>
> > >>
> > >> On 31/07/17 18:23, Jean-Philippe André wrote:
> > >> > Hello,
> > >> >
> > >> >
> > >> > I was talking with Sanghyeon last week and realized that our use of
> > >> > Efl.Orientation (interface) and Efl.Orient (enum) for UI elements
> did
> > >> not
> > >> > actually make perfect sense:
> > >> >
> > >> > 1. UI objects tend to have a default direction which is more like
> > >> > "downwards" or "to the right". Not UP (which is orientation 0)
> > >> >
> > >> > 2. UI objects tend to be either horizontal or vertical, not
> > necessarily
> > >> > right/left/up/down
> > >> >
> > >> > 3. The degree value (0, 90, 180, 270) is not necessarily meaningful
> as
> > >> > we're not rotating the objects, just defining a general direction in
> > >> which
> > >> > they work.
> > >> >
> > >> >
> > >> > Are there any objections into splitting Orientation (for images,
> video
> > >> and
> > >> > probably the window itself, ...) and something like Direction (for
> UI
> > >> > widgets, like box, panes, etc...)?
> > >> >
> > >> >
> > >> > TIA,
> > >> >
> > >>
> > >> Just remember for Right to Left languages UI elements that would
> > >> normally be on the Left end up on the Right so left and right isn't
> > >> really the best language either I think Qt uses something like Leading
> > >> and Trailing for stuff that swaps properly for right to left and Left
> > >> and Right if you wanted it fixed. I don't remember how well elm
> handles
> > >> that though.
> > >>
> > >>
> > > Very good point. I'll check what conventions are used elsewhere.
> > > Thanks,
> > >
> > >
> > I have introduced the enum Efl.Ui.Dir and the interface Efl.Ui.Direction
> > and transformed all (EO) widgets to use it (except Panes but our best
> > expert is on it right now).
> >
> > The values are:
> > - default -> widget decides
> > - up -> always up unless widget doesn't support
> > - down -> always down unless widget doesn't support
> > - vertical -> vertical is down or leaves the choice to the widget between
> > up & down (depending on available space, etc...)
> > - ltr/right -> always to the right unless widget doesn't support
> > - rtl/left -> always to the left unless widget doesn't support
> > - horizontal -> ltr by default, rtl if mirrored. also leaves the choice
> to
> > the widget between ltr & rtl (depending on available space, etc...)
> >
> > Most widgets only implement horizontal vs. vertical so unsupported
> > direction are converted to either of H or V.
> >
> > We still need to audit all our EO widgets to make sure they respect
> > horizontal + mirrored properly.
> >
> > --
> > Jean-Philippe André
> >
> > ------------------------------------------------------------
> ------------------
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> >
> --
> http://andywilliams.me
> http://ajwillia.ms
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-- 
Jean-Philippe André
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