[ruby-gnome2-devel-en] Re: thread question...

[Joe V. D. <joe...@gm...>]

On 1/27/06, Joe Van Dyk <joe...@gm...> wrote:
> On 1/27/06, Joe Van Dyk <joe...@gm...> wrote:
> > require 'gtk2'
> >
> > Gdk::Threads::init
> > Gtk::init
> >
> > def show_dialog window, text
> >     dialog =3D Gtk::MessageDialog.new window,
> >                                     0,
> >                                     Gtk::MessageDialog::INFO,
> >                                     Gtk::MessageDialog::BUTTONS_CLOSE,
> >                                     text
> >     dialog.run
> >     dialog.destroy
> > end
> >
> > window =3D Gtk::Window.new
> > window.set_default_size 300, 300
> > button =3D Gtk::Button.new("Hm.. not much going on here")
> > button.signal_connect("clicked") { show_dialog window, "from button cli=
ck" }
> > window << button
> >
> > window.signal_connect("delete-event") { Gtk::main_quit }
> > window.show_all
> >
> > Thread.new do
> >   sleep 5
> >   puts "entering critical part here"
> >   Gdk::Threads::synchronize do
> >     show_dialog window, text, "from thread"
>
>   doh, that should've been
>   show_dialog window, "from thread"
>
> This example now seems to work.  But my real application is freezing
> when the thread tries to tell a dialog window to open.
>
> Hm....

Here's the error that I get when I try to show the dialog box in my applica=
tion:

   GLib-WARNING **:g_main_context_prepare(): main loop already active
in another thread