Hi Nutt thanks for the detailed description on the architecture. As far as
I understand, there's no client-server function like in X, am I right?
I agree that doing a per-window framebuffer should not be hard.
I plan to migrate other frameworks like ImGUI too since I have some
experience with it

On Tue, Oct 4, 2022 at 12:13 PM Gregory Nutt <spudan...@gmail.com> wrote:

> NxWidgets is a drawing tool in C++ that supports graphics objects.  It
> integrates naturally with NX.
>
> NX is the graphics server that supports multi-threaded 3D windowed
> displays (3D in the since that X/Y windows exists in a Z plane).  NX is
> the embedded, moral equivalent of X in Linux.  It is NX that supports
> the multi-threading, not NxWidgets.
>
> LVGL is a drawing tool written in C. It integrates naturally with a
> framebuffer driver.
>
> NX can be configured to support per-Window framebuffers.  It would
> require a small effort, but it would also be possible to create a
> per-Window framebuffer driver that is compatible with LVGL.  Then you
> could have each thread manage a different window (but not true
> multi-threading in a single window).
>
> On 10/4/2022 9:01 AM, Victor Suarez Rovere wrote:
> > Many thanks of the links related to nxwidgets. I'm aware of LVGL and
> other
> > nice UI for embedded systems but I prefer a framework that would be
> easier
> > to manage in a client-server fashion for a project of muy own, and
> > nxwidgets seems easier than LVGL besides less advanced. A modernization
> of
> > the drawing functions would be interesting toó while keeping the API. I
> > don't know if there are some existing applications to determine the
> impact
> > of any change to the API
> >
> > Victor.
> >
> > El mar., 4 oct. 2022 11:54, Tomek CEDRO <to...@cedro.info> escribió:
> >
> >> On Tue, Oct 4, 2022 at 4:37 PM Alan C. Assis wrote:
> >>> Hi Victor,
> >>> Please see page 43 to see some nice interfaces developed using
> NXWidgets:
> >>>
> >>
> https://web.archive.org/web/20161019222034/http://dspace.cc.tut.fi/dpub/bitstream/handle/123456789/22051/Aimonen.pdf
> >>> You can look the NXWM to see some examples of screens using NXWidgets.
> >> Thanks Alan for this detailed reference! :-)
> >>
> >> Victor, please note that NuttX also supports LVGL that is currently
> >> getting a lot of traction in embedded world:
> >>
> >> https://lvgl.io/
> >>
> >> Guys, do we have some demos ready to build out of the box on NuttX for
> >> both NxWidgets and LVGL?
> >>
> >> --
> >> CeDeROM, SQ7MHZ, http://www.tomek.cedro.info
> >>
>
>

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