Re: [java-gnome-hackers] Tree/List widgets

[Mark H. <mh...@ti...>]

On Fri, 2002-08-23 at 17:46, Mark Howard wrote:
> public Value(Type type) {
> 		int [] vptr =3D new int[1];
> 		Value.g_value_init(vptr, type.getHandle());
> 		handle =3D vptr[0];
> }

Has anyone successfully used the glib.Value object?=20

The gtk reference says:
GValue*     g_value_init                    (GValue *value,
                                             GType g_type);
Initializes value with the default value of type.
value : A zero-filled (uninitialized) GValue structure.
g_type : Type the GValue should hold values of.
Returns :  <no comment>


The JNI code, however, uses the return statement:
/*
 * Class:     org.gnu.glib.Value
 * Method:    g_value_init
 * Signature: ([Lint ;I)I
 */
JNIEXPORT jint JNICALL Java_org_gnu_glib_Value_g_1value_1init (JNIEnv
*env, jclass cls,=20
    jintArray value, jint type)=20
{
    gint *value_g_g =3D (gint *) (*env)->GetIntArrayElements (env, value,
NULL);
    GValue *value_g =3D (GValue *)value_g_g;
    GType type_g =3D (GType)&type;
    {
        return (jint)g_value_init (value_g, type_g);
    }
}


Although this return value is ignored in the java code:
/**
 * Construct a new Value from a given org.gnu.glib.Value.
 */
public Value(Type type) {
	int [] vptr =3D new int[1];
	Value.g_value_init(vptr, type.getHandle());
	handle =3D vptr[0];
}

Could someone who knows more about this please check it and either
confirm that the Value code is correct or try to fix it.

Thanks
--=20

+----------------------------------------------+
| Mark Howard               cam.ac.uk   mh344@ |
| http://www.tildemh.com    tildemh.com    mh@ |
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