Re: [g-a-devel]active-descendant-changed signal and at-spi
- From: "Padraig O'Briain" <Padraig Obriain sun com>
- To: michael ximian com
- Cc: bill haneman sun com, gnome-accessibility-devel gnome org
- Subject: Re: [g-a-devel]active-descendant-changed signal and at-spi
- Date: Sat, 7 Dec 2002 09:38:43 +0000 (GMT)
Michael,
Thanks for your mail.
Does this mean that my proposed patch may be applied?
Padraig
> Subject: Re: [g-a-devel]active-descendant-changed signal and at-spi
> To: "Padraig O'Briain" <Padraig Obriain sun com>
> Cc: Bill Haneman <bill haneman sun com>, accessibility mailing list
<gnome-accessibility-devel gnome org>
> Mime-Version: 1.0
> Content-Transfer-Encoding: 7bit
>
> Hi Padraig,
>
> On Fri, 2002-12-06 at 09:58, Padraig O'Briain wrote:
> > I have managed to add support to at-spi for active-descendat-changed signal
> > which does not crash the application. Comments requested.
> ...
> > -spi_init_any_object (CORBA_any *any, CORBA_Object o)
> > +spi_init_any_object (CORBA_any *any, CORBA_Object *o)
> > {
> > CORBA_Environment ev;
> > CORBA_exception_init (&ev);
> > +
> > any->_type = TC_CORBA_Object;
> > - any->_value = CORBA_Object_duplicate (o, &ev);
> > + any->_value = o;
>
> That is in fact correct. The way to think of what you need to ram into
> an any's _value is (perhaps) this:
>
> "I want to pass a pointer to a struct element"
>
> This is because everything is recursively marshalled, and it makes
> struct/union/sequence/array marshalling trivial.
>
> Thus in a struct we have:
>
> struct {
> CORBA_long a;
> CORBA_Object b;
> CORBA_double c;
> CORBA_any d;
> CORBA_char *e;
> };
>
> Thus we need _value to be either a CORBA_long *, a CORBA_Object *, a
> CORBA_double *, a CORBA_any * or a CORBA_char _**_ :-)
>
> HTH - and good work,
>
> Regards,
>
> Michael.
>
> --
> mmeeks gnu org <><, Pseudo Engineer, itinerant idiot
>
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