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

[Masao M. <mu...@hi...>]

Hi,

On Fri, 27 Jan 2006 18:25:38 -0800
Joe Van Dyk <joe...@gm...> wrote:

> require 'gtk2'
> 
> Gdk::Threads::init
> Gtk::init
> 
> def show_dialog window, text
>     dialog = Gtk::MessageDialog.new window,
>                                     0,
>                                     Gtk::MessageDialog::INFO,
>                                     Gtk::MessageDialog::BUTTONS_CLOSE,
>                                     text
>     dialog.run
>     dialog.destroy
> end
> 
> window = Gtk::Window.new
> window.set_default_size 300, 300
> button = Gtk::Button.new("Hm.. not much going on here")
> button.signal_connect("clicked") { show_dialog window, "from button click" }
> window << button
> 
> window.signal_connect("delete-event") { Gtk::main_quit }
> window.show_all
> 
> Thread.new do
>   loop do
>     sleep 3
>     puts "entering critical part here"
>     Gdk::Threads::synchronize do
>       show_dialog window, "from thread"
>     end
>     puts "leaving critical part here"
>   end
> end
> 
> Gtk::timeout_add(1) do
>   true
> end
> 
> Gtk::main

You can't use Gtk::Dialog#run in the Thread.
You need to call it in main thread.

This is a restrict of Ruby-GNOME2 now.
 
-- 
.:% Masao Mutoh<mu...@hi...>