Re: [g-a-devel]Question about Accessible_getStateSet?

["Padraig O'Briain" <Padraig Obriain Sun COM>]

Mario,

It looks to me that AccessibleState_isEmpty is returing the wrong value.  
That is, it returns TRUE when there are states and FALSE if there are not.

Can you confirm?

Padraig

> Hi.
> 
> I am developing a small Guile binding for AT-SPI for experimentation
> purposes.  While some things are quite nicely working already
> (getting the role, name and description of objects),
> I can not get the AccessibleStateSet stuff to work.  From looking
> at the code, it should, but I always seem to detect a
> empty set, even if AccessibleStateSet_isEmpty!=TRUE.
> 
> Is there anything special about the StateSets I might have missed?
> 
> Below is the code I use to extract an accessible state set
> into a Scheme (Guile) list of symbols.  The printf's are in
> there in case I messed up the symbol creation, but I never saw
> any printf output, even if I recursively look at *every*
> object on the whole desktop, like this:
> 
> gspi> (define (descend node proc)
> ... (if (> (length (children node)) 0)
> ... (map (lambda (node) (descend node proc)) (children node))
> ... (proc node)))
> gspi> (map get-name (children (desktop 0)))
> ("gnome-session" "nautilus" "gnome-panel" "mixer_applet2" "gnopernicus" 
"srcore")
> gspi> (define gnopi (car (cddddr (children (desktop 0)))))
> gspi> gnopi
> #<Accessible 0x81118f8, name="gnopernicus", role=application>
> gspi> (descend gnopi get-role)
> ((((push-button push-button push-button push-button push-button push-button 
push-button push-button))))
> gspi> (descend gnopi states)
> ((((() () () () () () () ()))))
> 
> No matter what, I always get a empty list of states.
> 
> gspi> (descend (desktop 0) states)
> (() ((((((() ((() () () () () () () (() () () () ()) () (() () ()) () () () () 
() () () () () ()) (() () () () () () () () () () () () () () () () () () () 
())(() () () () () () () () () () (() () () () () () () () () ()) () () () () () 
() () () () () () () () ()) (() () () () () () () () () () () () ()) (() () () 
()) () () (() () () ()) (() ())))) ((() ((()) ((() (()))) (()) ((() (()))) (()) 
(()) (()) () (()) (()) (()) () (())))) ((() (((((((((((()) ())))) () (((() () () 
() () ()) ()))))) (()))) (())))) (((((() () () ())))))) (())))) ((((() () () () 
() ((((((())))) (((((() () () ()))))) ((((((() () () ()))))))))))) ((((()) (((() 
() () () () ()) (() () () () () () () () () () () () () ()) (()) (() ()) (() ()) 
(() () () () () () () () () () () () () ()) (()) (() () ()) (() () () () ()) () 
() () () (((() () () () ()) (() () () () () () () () () () () () () () () () () 
() () () () ()) (()) (() () () () () () ()) (() () () () () () () () () () () () 
() () () () () () ()) (() () () () () () () () () () () () () () ()) (() () () 
() () ()) (() () () () () () () ()) (() () () () () () () () () () () () () () 
() () () () ()) (() () () ()) (() () () () () () () () () () () () () () () () 
() () ()) ()) (() () () ()) (() () () ()) (() () ()) (() () () ())) (() () ())) 
(() () () (()) () () () () ())) (() () ((((())))) (((((())))))) (()) (()))))) () 
((((() () () () () () () ())))) ())
> 
> Does anyone have an idea what I might be doing wrong?
> 
> SCM_DEFINE (aobj_stateset, "states", 1, 0, 0, (SCM smob), "")
> {
>   Accessible *acc;
>   AccessibleStateSet *states;
>   SCM ret = SCM_EOL;
> 
>   SCM_ASSERT (SCM_SMOB_PREDICATE (aobj_tag, smob), smob, SCM_ARG1, "states");
> 
>   acc = (Accessible *) SCM_SMOB_DATA (smob);
>   states = Accessible_getStateSet (acc);
>   if (!states) {
>     return SCM_BOOL_F;
>   } else if (AccessibleStateSet_isEmpty(states) == FALSE) {
>     if (AccessibleStateSet_contains(states, SPI_STATE_INVALID)) {
>       printf("invalid\n");
>       ret = scm_cons (scm_str2symbol("invalid"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_ACTIVE)) {
>       printf("active\n");
>       ret = scm_cons (scm_str2symbol("active"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_ARMED)) {
>       printf("armed\n");
>       ret = scm_cons (scm_str2symbol("armed"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_BUSY)) {
>       printf("busy\n");
>       ret = scm_cons (scm_str2symbol("busy"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_CHECKED)) {
>       printf("checked\n");
>       ret = scm_cons (scm_str2symbol("checked"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_COLLAPSED)) {
>       printf("collapsed\n");
>       ret = scm_cons (scm_str2symbol("collapsed"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_DEFUNCT)) {
>       printf("defunct\n");
>       ret = scm_cons (scm_str2symbol("defunct"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_EDITABLE)) {
>       printf("editable\n");
>       ret = scm_cons (scm_str2symbol("editable"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_ENABLED)) {
>       printf("enabled\n");
>       ret = scm_cons (scm_str2symbol("enabled"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_EXPANDABLE)) {
>       printf("expandable\n");
>       ret = scm_cons (scm_str2symbol("expandable"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_EXPANDED)) {
>       printf("expanded\n");
>       ret = scm_cons (scm_str2symbol("expanded"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_FOCUSABLE)) {
>       printf("focusable\n");
>       ret = scm_cons (scm_str2symbol("focusable"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_FOCUSED)) {
>       printf("focused\n");
>       ret = scm_cons (scm_str2symbol("focused"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_HORIZONTAL)) {
>       printf("horizontal\n");
>       ret = scm_cons (scm_str2symbol("horizontal"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_ICONIFIED)) {
>       printf("iconified\n");
>       ret = scm_cons (scm_str2symbol("iconified"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_MODAL)) {
>       printf("modal\n");
>       ret = scm_cons (scm_str2symbol("modal"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_MULTI_LINE)) {
>       printf("multi_line\n");
>       ret = scm_cons (scm_str2symbol("multi_line"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_MULTISELECTABLE)) {
>       printf("multiselectable\n");
>       ret = scm_cons (scm_str2symbol("multiselectable"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_OPAQUE)) {
>       printf("opaque\n");
>       ret = scm_cons (scm_str2symbol("opaque"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_PRESSED)) {
>       printf("pressed\n");
>       ret = scm_cons (scm_str2symbol("pressed"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_RESIZABLE)) {
>       printf("resizable\n");
>       ret = scm_cons (scm_str2symbol("resizable"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_SELECTABLE)) {
>       printf("selectable\n");
>       ret = scm_cons (scm_str2symbol("selectable"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_SELECTED)) {
>       printf("selected\n");
>       ret = scm_cons (scm_str2symbol("selected"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_SENSITIVE)) {
>       printf("sensitive\n");
>       ret = scm_cons (scm_str2symbol("sensitive"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_SHOWING)) {
>       printf("showing\n");
>       ret = scm_cons (scm_str2symbol("showing"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_SINGLE_LINE)) {
>       printf("single_line\n");
>       ret = scm_cons (scm_str2symbol("single_line"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_STALE)) {
>       printf("stale\n");
>       ret = scm_cons (scm_str2symbol("stale"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_TRANSIENT)) {
>       printf("transient\n");
>       ret = scm_cons (scm_str2symbol("transient"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_VERTICAL)) {
>       printf("vertical\n");
>       ret = scm_cons (scm_str2symbol("vertical"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_VISIBLE)) {
>       printf("visible\n");
>       ret = scm_cons (scm_str2symbol("visible"), ret);
>     }
>     if (AccessibleStateSet_contains(states, SPI_STATE_MANAGES_DESCENDANTS)) {
>       printf("manages_descendants\n");
>       ret = scm_cons (scm_str2symbol("manages_descendants"), ret);
>     }
>   }
>   if (states) {
>     AccessibleStateSet_unref (states);
>   }
>   return ret;
> }
> 
> -- 
> CYa,
>   Mario | Debian Developer <URL:http://debian.org/>
>         | Get my public key via finger mlang db debian org
>         | 1024D/7FC1A0854909BCCDBE6C102DDFFC022A6B113E44
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