Re: [Chicken-users] qt & dbus eggs

[Matthew Welland]

On Wednesday 07 April 2010 01:23:16 pm Andrei Barbu wrote:
> Hi,
>
> I'm working on getting chicken into shape for writing applications on
> the Nokia N900. I've made a lot of changes to the qt egg over the past
> few weeks if anyone is interested in a upgraded version.

Yes, very interested! Me and my n900 thank you profusely. Trying it out now. 
Any chance at getting sqlite? How do you plan to handle other eggs? 

> Some highlights:
>  - support for qobject attributes
>  - qvariantlist and qvariant are supported so interfacing with qt is a
>    lot more natural
>  - removed the simple receiver and replaced it with an object that
>    crafts the correct slot on request
>  - arbitrary number of arguments to slots and support for some common
>    argument types (although notably pointers aren't yet handled)
>  - invoking arbitrary qt methods/signals/slots
>  - support for qt-maemo (stackable windows and various information boxes)
>  - it now builds in c++ so that making bindings is faster
>  - qt-dbus is now supported so that polling isn't required, it too
>    works with an arbitrary number of arguments and provides all of the
>    basic capabilities: receiving/sending dbus signals, method
>    invocation, and exposing methods over dbus
>  - 0% cpu usage when idle so it's battery-friendly
>  - it's debianized along with its dependencies so that it can be
>    deployed to the n900
>  - ported the dbus egg to version 4
>
> qt-networking support should be in later today/tomorrow.
>
> The updated qt & dbus eggs along with debianized versions of their
> dependencies (easyffi, foreigners, matchable, miscmacros, protobj,
> silex, and test) are at: http://0xab.com/code/n900-chicken.git
> There's also a tiny script for quickly debianizing eggs with correct
> dependencies, perhaps someone is interested in reviving the
> debianization effort.
>
> The qt egg is still a work in progress and there's a lot that needs to
> change. It's stable and runs all of the examples (modulo api
> changes) from the svn egg, it has a superset of the features, as well
> as a new test suite. If there's any interest I can submit patches
> against the svn version (for qt and/or dbus).
>
> I'm new to low-level hacking with chicken, I'd appreciate any comments
> if I've abused the ffi/gc in some horrendous/unsafe way.
>
> If anyone else that has an n900 and wants to play with chicken, it's
> easy. Take a look at http://0xab.com/n900 . I have a debian repository
> with optified versions of chicken, chicken-qt and friends, along with
> some example programs for it that show off things like stackable
> windows and screen rotation.
>
> As soon as I figure out how you document eggs these days I'll put up
> some docs as well.
>
>
>
> Andrei
>
>
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