[Fluxus] qt port / source code management

[Artem Baguinski]

hi all

In my local branch i've ported most of the windowing / input
functionality from glut to qt. is anybody interested in seeing /
testing that? My long term plan for the Qt port is to have GUI
tweakables next to opengl window (in a split view or separate window),
which will dynamically reflect what is in the engine, so that you
could for example populate the scene graph from a script, then browse
it in a gui, watch primitive state and tweak it from gui.

Now I tried to port as much as I could of current functionality
provided by glut to qt. I also made it possible to select the
"backend" (or is it a "frontend"?) at compile time with END=qt or
END=glut argument to scons, glut is the default. In code I check for
FLX_QT_END or FLX_GLUT_END preprocessor symbols. The most painfull to
deal with is the keyboard code, which even under glut alone is
platform specific... So i've reorganized it quite a bit, so that you
never have to use GLUT_KEY_* symbols or plain numbers as before - all
keys and modifiers are GLEDITOR_* constants now which expand into some
appropriate code depending on END/platoform. This makes code somewhat
neater, but doesn't solve e.g. recorder problem.

Most useful functionality works under Qt for me, with the following bits broken:

- mouse coordinates reporting in keypress/release events. Qt doesn't
report them at all, I could listen to mouse motion events and save the
mouse position all the time, but I just didn't get around to it yet
and I'm wondering if that's useful at all.
- events record / playback is broken. it wasn't a high priority for
me, especially since qt version is incompatible with existing records
anyway. But it's on my list of things to fix after the next gig.
- Renderer::DrawText (it used glut to draw). this one is tougher to
reimplement, but possible. What was it used for?

Plus it has two bugs i've postponed until now:
- the main loop doesn't exit on window close, i have to ctrl+c it in
shell window
- open gl widget has thick (like 10 pixels) grey border.

I'll fix these two later today.

This is a pretty large patch already and I use git to deal with it.
It's highly experimental, so I wouldn't like to merge it into cvs head
yet, but I really don't like to deal with branches in CVS. Dave, could
you enable git or bazaar repositories on savannah? as far as i know it
is possible to have several source code management systems there in
parallel. Or you could make me co-admin and I'll set that up myself.

-- 
cheers,
artm

http://lab.v2.nl/