Let's say I have:
typedef struct{
char *some_dyn_allocd_mem;
char *some_more_mem
struct other_structure *ptr; /* Contains further nested pointers */
} foobar;
and then I create a dynamically allocated foobar (with some subfields that
are dynamically allocated) - call it "ptr"
then I do:
gtk_signal_connect(GTK_OBJECT(my_button), "clicked",
GTK_SIGNAL_FUNC(my_button_callback), ptr);
How do I know if "ptr" will be correctly freed when the widget gets
destroyed? How do I attach a "rider" onto the destroyed signal so that I
can do a custom free routine on the object data when the widget gets
destroyed?
I tried gtk_signal_connect_after(GTK_OBJECT(my_button), "destroy",
GTK_SIGNAL_FUNC(my_custom_foobar_free)
ptr);
but it never seems to get called.
I can't imagine GTK+ knows how to free the fields in my custom data
structure, yet at the same time, I don't know how to do it myself.
Anybody have an idea how I can do that?
Thanks
David
http://opop.nols.com/ Free Software Development
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Der Horizont vieler Menschen ist ein Kreis mit Radius Null -- und das
nennen sie ihren Standpunkt.
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