On Thu, 31 Jan 2013 21:40:56 +0100 Davide Andreoli <d...@gurumeditation.it> wrote:
> 2013/1/29 Tom Hacohen <t...@stosb.com>
>
> > No, custom constructor is not the old one.
> >
> > You need to use:
> >
> > #define elm_obj_win_constructor(name, type)
> > ELM_OBJ_WIN_ID(ELM_OBJ_WIN_SUB_ID_WIN_CONSTRUCTOR),
> > EO_TYPECHECK(const char *, name), EO_TYPECHECK(Elm_Win_Type, type)
> >
>
>
> After some more tests I have this example:
>
>
> void my_win_del(void *data, Evas_Object *obj, void *event_info)
> {
> elm_exit();
> }
>
> EAPI_MAIN int
> elm_main(int argc, char **argv)
> {
> Evas_Object *win, *r;
>
> win = eo_add_custom(ELM_OBJ_WIN_CLASS, NULL,
> elm_obj_win_constructor("main", ELM_WIN_BASIC));
> // eo_unref(win);
> elm_win_title_set(win, "Elementary Tests");
> evas_object_smart_callback_add(win, "delete,request", my_win_del,
> NULL); evas_object_resize(win, 320, 320);
> evas_object_show(win);
>
> r = eo_add(EVAS_OBJ_RECTANGLE_CLASS, evas_object_evas_get(win));
> // eo_unref(r);
> evas_object_resize(r, 100, 100);
> evas_object_show(r);
>
> eo_del(r);
>
> elm_run();
> elm_shutdown();
>
> return 0;
> }
> ELM_MAIN()
>
>
> Problems:
> - with the 2 eo_unref() calls commented out the app freeze (without
> any warnings) on
> elm_shutdown()
> - with the 2 eo_unref() calls DEcommented the shutdown is ok but then
> the oe_del(r) is
> causing the warning:
> ERR<9335>:eo lib/eo/eo.c:1306 _eo_unref() Object 0x1452fe0 already
> deleted. ERR<9335>:eo lib/eo/eo.c:1306 _eo_unref() Object 0x1452fe0
> already deleted.
>
> Thoughts:
> - doing the unref() just after the eo_add() does not have any sense
> to me.
> - deleting the win using eo_del() seems not to delete the child objs
> - forcing the user to delete ALL the created object before the
> shutdown is an hard
> requirement; can work with simple examples but not in real life
> applications.
> - using the new api or the old one cause different behavior :/
I was getting the same thing. Tried converting one of my elm objects
(a button) to an eo object, to try it out and see what the difference
was. The difference was that my app hung on shutdown with the eo
version. I don't have any eo_unref(), or eo_del().
I agree that unrefing something just after you created it, then relying
on internal reference counting magic, is very counter intuitive.
Having to do an unref AND a del just seems crazy.
--
A big old stinking pile of genius that no one wants
coz there are too many silver coated monkeys in the world.
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