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Re: [dsdp-ercp-dev] (e)SWT on maemo
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Funny, I have been asked the same question when I was doing my early
eRCP prototyping on N800. By the way I have used parts of jalimo for
that proto.
You are correct, maemo based devices tend to have more power and touch
so as a result, the full SWT implementation works. Although I still want
to run benchmarks to see that performance difference is not significant
if any. But since it is geared towards devices, we will happily make
changes in the eSWT implementation to overcome any mobile specific
perfomance problem points that may be encountered in the future.
As Mark pointed out eSWT will have a lower memory footprint because it
is a subset of the SWT and omits parts of SWT that is not absolutely
necessary for most of the mobile applications, I think memory resource
limitations is valid for maemo devices as well.
The real benefit of the eSWT is it enables applications that are more
usable on mobile devices. It provides controls that have input
optimization and control of input methods that is not likely to be
addressed with SWT. Also eSWT APIs allows discovery and control of
device capabilities. These are really important improvements in addition
to SWT and are constantly improved by the participation of the industry.
It will be great if jalimo at one point can include eRCP at one point (
full RCP is heavy for devices without too many benefits). eRCP will run
on standard SWT to some extend. But in order to have full compatibility
with other platforms we need eSWTs mobile extensions at least. One way
could be to have full SWT and Mobile extension but that may be heavy on
the memory usage and needs to be investigated further.
I would like to see eRCP and eSWT as part of Jalimo, if you have any
more questions/suggestions how we can further collaborate please ask.
--
Gorkem
Sebastian Mancke wrote:
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Hi,
we are featuring a project called Jalimo, which has the goal to provide
a complete free Java stack for mobile and embedded linux devices.
Currently our main targets are maemo and openmoko. See [1] for further
details.
For the GUI solution we use SWT at the moment (among others) we will
investigate more in this direction, especially to get a better desktop
integration, in the near future.
Since our target devices are powerful, and we are trying to align the
platform capabilities on the desktop, a full SWT seems to fit very well
on this. Recently I found a blog post from Gorkem [2], who has started
an eSWT/eRCP implementation. I never worked with the *e* variant. What
would be the benefits from that? Would it be possible so run the eRCP
libs together with an full blown SWT?
Regards,
Sebastian
[1] http://www.jalimo.org
[2]
http://gorkem-ercan.blogspot.com/2007/11/ercp-running-on-n800-internet-tablet.html
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