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Re: [Help-smalltalk] GNU Smalltalk on OS X with native GTK

From: Gwenael Casaccio
Subject: Re: [Help-smalltalk] GNU Smalltalk on OS X with native GTK
Date: Tue, 13 Oct 2009 09:54:38 +0200

On Tue, 2009-10-13 at 01:11 +0200, Paolo Bonzini wrote:
> On 10/13/2009 12:05 AM, Eli Green wrote:
> >
> > It is not what I would call stable or even usable; a few windows that
> > don't draw themselves, a lot of spinning beach balls (the "Window is not
> > responding to events" indicator in OS  X).
> It would be interesting to know if the X11 version has the same bugs, so 
> as to pinpoint bugs or differences in GTK-Quartz.  It seems usable to me 
> under both X11 and Window, and GTK-Quartz is the most experimental GTK 
> backend.

The X11 version of GTK has not this bug this is specific to GTK-Quartz.

> > From what I can see,
> > VisualGST is written directly against the Gtk libraries so it's not like
> > somebody could simply implement a Cocoa version of Blox or equivalent.
> > Has any thought been given to placing an abstraction library between GST
> > and the native platform libraries or is GTK going to be the solution
> > going forward?
> Native-themed GTK, plus maybe a simple wrapper for the GTK-on-Mac 
> libraries that fix the menu bar, is probably good enough.

Yes there are some specific stuff on GTK-Os x for the menu bar and
the shortcuts

the theme : available in or

For the integration :

for example the menu bar : 
  gtk_widget_hide (menubar);
  ige_mac_menu_set_menu_bar (GTK_MENU_SHELL (menubar));

For the shortcuts it seems that this can be done automatically : 
Menu: Helps integrates the application's menus onto the Mac Menubar, move the 
About, Preference, 
and Quit menu items to the Application menu, and mutate some of the keyboard 
shortcuts from Control-Foo to Command-Foo.

> Blox is good enough for simple things, but really implementing a 
> complete modern UI class library is too much.  If I was starting from 
> scratch, maybe it would make sense to reimplement Cocoa in Smalltalk, 
> but that would be an incredible amount of work.  This is not to say Blox 
> is bad---it used to be a small Xt wrapper and it has been made into a 
> wrapper for Tk and (partly) GTK+, so it turned out to be way more 
> flexible than it was meant to be.
> Thanks for the build recipe!  I didn't think it would be difficult, just 
> untested.  I had tested the various parts using the .pc files from 
>, but I had never done a full build.  Can you put it in the 
> wiki, or shall I?  Also, did you really need "--enable-gtk=yes"?  It 
> should be done automatically.
> Paolo
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