Re: Array of GtkEntry widgets

[Vladimir Djokic <vladeck sezampro yu>]

THANKS PEOPLE! What Todd told me to do, worked!
Once again, I learned something __GOOD__ here:)


On Thu, 2002-12-26 at 22:10, Todd Kulesza wrote:
> It looks like you need an array of pointers, not just a single pointer. 
>   Try:
> struct foo
> {
>       GtkWidget **array_entry;
> };
>
> and then:
> array_entry = g_new0 (GtkWidget *, number_of_objects);
>
> which can then be accessed as follows:
>
> array_entry [0] = gtk_entry_new ();
> array_entry [1] = gtk_entry_new ();
>
> and so on.
>
> Todd
>
> Vladimir Djokic wrote:
> >     Good day,
> >     Developers!
> >
> >     My brain is __DEAD__. In this school project I'm working on I got stuck:
> >
> >     * have a struct
> >
> >     struct foo {
> >             GtkWidget *array_entry;
> >     };
> >     ...
> >
> >     * in code I do:
> >
> >     foo *bar;
> >     
> >     bar = g_malloc (sizeof (foo));
> >     bar->array_entry = g_new (GtkWidget, 25);
> >     ...
> >
> >     * then:
> >
> >     GtkWidget *entry;
> >     
> >     entry = &(bar->array_entry[5]);
> >     entry = gtk_entry_new ();
> >     ...
> >
> >     * but, when i want to retrieve text, I do:
> >
> >     GtkEntry *entry1;
> >     gchar *str;
> >
> >     entry1 = GTK_ENTRY (&(bar->array_entry[5]));
> >     str = g-strdup (gtk_entry_get_text (entry1);
> >
> >     * and get this error:
> >
> >     (kendoo:902): GLib-GObject-WARNING **: invalid unclassed pointer        in
> > cast to `GtkEntry'
> >
> >     (kendoo:827): Gtk-CRITICAL **: file gtkentry.c: line 3501
> >     (gtk_entry_get_text): assertion `GTK_IS_ENTRY (entry1)' failed
> >
> >     Anybody?
> >     THANKS!
> >
> >     P.S. I'm doing it this way, because I don't know how many entry widgets
> > I need, until the creation of new dialog that hold them (but I used
> > fixed number here, just to illustrate).
>
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