From: Mark Hubbart <discordantus@...>
Date: 2005-05-19T01:10:50+09:00
Subject: Re: Ruby/TK on Mac OS X Tiger?

On 5/18/05, Mark Hubbart <discordantus@gmail.com> wrote:
> On 5/18/05, Dave Baldwin <dave.baldwin@3dlabs.com> wrote:
> >
> > On 18 May 2005, at 02:31, Mark Hubbart wrote:
> >
> > > Hi --
> > >
> > > On 5/17/05, Philipp Kern <trash@philkern.de> wrote:
> > >
> > >> Mark Hubbart wrote:
> > >>
> > >>> On 5/17/05, Tom Nakamura <imifumei@imap.cc> wrote:
> > >>>
> > >>>> Can anyone do a quick test to see if "require 'tk'" work by
> > >>>> default on
> > >>>> Tiger?
> > >>>>
> > >>> Yes! Imagine my surprise :)
> > >>>
> > >>
> > >> And it looks really nice (apart from the window background colour,
> > >> but
> > >> I'm sure that one could fix this) as the OS X Tk uses native controls
> > >> where possible. I think I had the same surprised look on my eyes like
> > >> you, Mark. (=
> > >>
> > >
> > > Yeah :) I guess they used the TclTkAqua framework. It sure seems to be
> > > the same thing, anyway, and I don't think there was any other
> > > distribution that used native widgets. Also, the tcl/tk extension
> > > compiles right out of the box, so that's great for the project I'm
> > > working on. Now I just have to start learning to use it; I never
> > > bothered before.
> > >
> > > cheers,
> > > Mark
> > >
> > >
> > I tried this simple program from Pickaxe
> > require 'tk'
> > TkLabel.new { text 'Hello, World!'; pack }
> > Tk.mainloop
> >
> > and got:
> >
> > dyld: NSLinkModule() error
> > dyld: Library not loaded: /usr/X11R6/lib/libX11.6.dylib
> >    Referenced from: /usr/lib/ruby/1.8/powerpc-darwin8.0/tcltklib.bundle
> >    Reason: image not found
> > Trace/BPT trap
> >
> > so it looks like it relies on X11 being installed.  I did a standard
> > Tiger install with xcode but not x11.
> 
> It works fine here, with X11. If you are doing any unix stuff, you
> really should have X11 installed anyway. The only thing that bothers
> me is that this means a Ruby/Tk app will only run on a computer that
> has the X11 lib.
> 
> Since Tk uses Aqua, not X11, as a display (you get an icon in the dock
> and everything here), I'm guessing that it links to X11 for some other
> dependencies. But it *is* a bit annoying... I wonder if that
> dependency could be eliminated?

I forgot to specify that the requirement is in the *Ruby* Tk
extension, not in the Tk framework itself. Tk apps run fine without
X11, RubyTk apps don't.

cheers,
Mark