The only time I used X displays with OSX was when
running a XFree86 server (darwin-xfree86). FLTK might
be made to work with this. But it's awkward, as you have
to have the extra X server running on the machine, making
the whole thing probably even slower.

I don't know anything about OSX support X-windows
applications
transparently without a separate X-server. Perhaps you
can explain how it works (if it's indeed the case).

Victor

>
> Victor Lazzarini wrote:
>
> > Another quirky thing with OSX  is that when running
> > csound through a graphic frontend (such as a
> > Tk-interpreter-based), widgets work but without any
> > screen update (the controls do not change appearance,
> > but work 'blindly'). It appears to have
> > something to do with Acqua not being aware of the
> > widgets. The windows can be moved, so it's even more
> > complicated... I wished OSX just provided a
> straightforward X display.
>
> So what's not straightforward about the X display OS X
> provides?  I  don't think anybody's tried it with CSound,
> but it must surely be  possible.  It looks like there's a
> --with-x configure option for FLTK.  Where else does
> CSound know about Quartz?
>
>
>                         Graham
>
>
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Apple has been providing their own X server with 10.3 and 10.4 as an
optional install.  While the server itself is open source, the Quartz window
manager is not.  So, it will not work on older OS X versions.  (There was a
beta for 10.2 but Apple now prohibits its redistribution).

I too wish that there was an easy X windows solution for ALL OS X users.
But, if you are lucky enough to have 10.3+, just look for the optional
installer package on your OS discs.

Anthony Kozar
anthonykozar AT sbcglobal DOT net
http://akozar.spymac.net/

Victor Lazzarini wrote on 10/8/05 7:57 AM:

> I don't know anything about OSX support X-windows
> applications
> transparently without a separate X-server. Perhaps you
> can explain how it works (if it's indeed the case).



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Victor Lazzarini wrote:
> The only time I used X displays with OSX was when
> running a XFree86 server (darwin-xfree86). FLTK might
> be made to work with this. But it's awkward, as you have
> to have the extra X server running on the machine, making
> the whole thing probably even slower.

My feeling is that X applications run faster than Aqua ones.  There 
seems to be a huge memory overhead with the Quartz system.  One 
application running in X11 won't fix this, but move a few over and I 
think it improves.  Trouble is, it's all subjective, given that I don't 
trust top.

> I don't know anything about OSX support X-windows
> applications
> transparently without a separate X-server. Perhaps you
> can explain how it works (if it's indeed the case).

For Tiger, you have to install X11 from one of the CDs.  Naturally, if 
you aren't coming from UNIX you're unlikely to have done this but it 
isn't difficult.

Once it's installed, you have an X Windows subsystem that can run in 
rootless mode.  If you run CSound from an xterm, it should work pretty 
seamlessly.  Launching an X application from the usual Terminal is more 
problematic.  The only way I know that works is to call "open-x11" with 
the name of the application.  It doesn't pass along the rest of the 
command line :(  Embedding X widgets in an Aqua application isn't going 
to work.

The whole X Windows system works as a single application.  By default it 
launches with an xterm, so it's like the application is xterm.  Apple's 
window manager looks like Aqua, but doesn't behave quite right.  You can 
also run any other window manager (provided you can install it) and it 
manages the X windows as, er, I suppose you'd expect.  That means 
writing a .xinitrc file.  The Apple window manager also tries to 
synchronize the clipboards, which I found never quite worked.

You can run X11 as a full screen application.  This is where it becomes 
really annoying to use the current Csound widgets, because the whole X11 
desktop disappears so that it can display the Aqua window, and it 
doesn't come back when Csound exits.

The weirdest problem I've had is that the Xauthority defaults to the 
network name of your machine.  When it connects to the internet, the 
machine name changes and so you can't open any X windows until you 
disconnect.  It's simple to fix provided you know what you're doing 
(which the average user shouldn't).  I think that's the only problem 
you'd have in running Csound, and only if you connect to a network after 
you launch the X11 application.


                    Graham



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