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

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

On Sat, 2002-08-24 at 14:35, Jeffrey Morgan wrote:
> I will look into this over the weekend.

did you get anywhere with this?

or has anybody else got any ideas?

>=20
> On Sat, 2002-08-24 at 06:00, Mark Howard wrote:
> > 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];
> > > }
> >=20
> > Has anyone successfully used the glib.Value object?=20
> >=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>
> >=20
> >=20
> > 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, valu=
e,
> > NULL);
> >     GValue *value_g =3D (GValue *)value_g_g;
> >     GType type_g =3D (GType)&type;
> >     {
> >         return (jint)g_value_init (value_g, type_g);
> >     }
> > }
> >=20
> >=20
> > 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];
> > }
> >=20
> > Could someone who knows more about this please check it and either
> > confirm that the Value code is correct or try to fix it.
> >=20
> > Thanks
> > --=20

--=20

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