Re: [gtkmm] Re: pthreads with gtk/gtkmm

[Enrico Costanza]

klaus triendl wrote:

To be precise, the function that I am trying to put in a thread is:

void *test(void *arg){
Args *a = (Args *) arg;
Gtk::Main kit(a->argc, a->argv);
gdk_rgb_init(); //initialize gtk rgb, used to display images
MyCameraFramework myCameraFramework(640, 480, false);
kit.run();
cout << "run returned" << endl;
return NULL;
}

i would say that you reconsider your application/thread model.

don't know whether the approach to put the gui-mainthread in another thread
works but it is not a good idea.
better create Gtk::Main in main() and then create a separate thread in
MyCameraFramework or also in main(); then use Glib::Dispatcher as a means to
communication with the gui-objects if you use gtkmm-2.x

--
triendl klaus

Thanks for your reply.

I am using gtkmm1.2: do I have to upgrade to 2.2?

If I create a separate thread in MyCameraFramework, shall I pass to the thread a reference to this, so that then I can contol GUI objects with Dispatcher (or simila)?

What I had in mind was the java multi-thread system, that seems a lot simpler than pthreads.
My problem can be easily described as a producer-consumer problem. The producer uses gtkmm to display its status and for some Adjustments; the consumer produces sounds according to the producer results.


Regards,
Enrico

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