Re: Iterating Glib's GMainLoop with NSRunLoop

[Ondrej Florian]

Hi Hugo,

using timer is not that bad and it has been used in the wild.
For example: 
https://github.com/onflapp/nextspace/blob/master/Frameworks/SystemKit/OSEUDisksAdaptor.m


On 2023-09-05 15:28:39 +0200 Hugo Melder <admin@hugomelder.com> wrote:

> Hey,
> 
> I am currently using GStreamer as part of a project, and started using 
> Objective-C for non-GStreamer components of the application.
> The loads of macros and boilerplate were just to much…
> 
> However, I am currently stuck at integrating (At the moment only iterating) 
> the Glib mainloop.
> The Glib provides the GMainLoop, which is similar to NSRunLoop and can be 
> manually iterated:
> 
> loop->is_running = TRUE;
> while (loop->is_running)
>   {
>     g_main_context_iteration (context, TRUE);
>   }
> 
> The second argument of g_main_context_iteration indicates whether the 
> iteration should block.
> 
> I thought about using an NSTimer with a high polling frequency, but that 
> seems like a hack to me. Is there a better way (maybe even a GNUstep specific 
> one) to install a hook into the runloop? The RunLoop Observer APIs does not 
> seem to be available with GNUstep’s NSRunLoop implementation.
> 
> Writing a GMainLoop compatible “class”, and bridging to the NSRunLoop by 
> translating all Glib Events would be a more complex solution.
> 
> Any ideas or tips are welcome :)
> 
> Best Regards,
> 
> Hugo
> 
>