Re: GLib-CRITICAL Source ID 35 was not found when attempting to remove it

[Chris Vine <chris cvine freeserve co uk>]

On Wed, 16 Sep 2015 16:35:09 +0100
Chris Vine <chris cvine freeserve co uk> wrote:
> On Wed, 16 Sep 2015 10:54:15 +0530
> Lokesh Chakka <lvenkatakumarchakka gmail com> wrote:
> > markku,
> >
> > i kept gtk_thread_enter / leave for experimental purpose.
> > Actually issue was happening irrespective of existence of
> > gtk_thread_enter / leave.
>
> You are missing the point.  You must use gdk_threads_enter() and
> gdk_threads_leave() both (i) where you already have them in main(),
> and (ii) also around gtk_widget_queue_draw() in the callback.
>
> However, gdk_threads_init(), gdk_threads_enter() and
> gdk_threads_leave() are deprecated in GTK+3, and only work with X11
> (not on windows). Instead, you should do what has been suggested and
> send an event from the worker thread to the GTK+ main loop using
> g_idle_add().  Then you do not need to bother with
> gdk_threads_init(), gdk_threads_enter() or gdk_threads_leave() in
> your program at all.  You will however need to call g_thread_init()
> at the beginning of main() with glib < 2.32. glib >= 2.32 is thread
> safe without g_thread_init() (which is a no-op).

By the way if you wish to continue this further please move to another
mailing list such as gtk-list or gtk-app-devel-list.  This list is
concerned with the development of GTK+, not with application
development.

Chris