Re: Can't read gtk-double-click-time property

[Olexiy Avramchenko <ath beast stu cn ua>]

Lars Clausen wrote:

> I'm trying to get the default setting for gtk-double-click-time, but can't
> seem to get it out of the GtkSettings object.  Here's what I do:
>
>    GtkSettings *settings = gtk_settings_get_default();
>    GValue dctvalue;
Hmm, you need to do this, to initialize GValue:

{
GValue dctvalue={0};

/* if you want to be sure that value is initialized as G_TYPE_INT value */
	g_init_value(&dctvalue, G_TYPE_INT);
}

>    if (settings == NULL) {
>      g_message(_("Couldn't get GTK settings"));
>    } else {
>      g_object_get(G_OBJECT(settings), 
> 		   "gtk-double-click-time", &dctvalue, NULL);
g_object_get() doesn't accept the GValues, pass the pointer to gint instead:

{
gint double_click;
	g_object_get(
			G_OBJECT(settings), 
			"gtk-double-click-time", &double_click,
			NULL
	);
}

Or (if you want to play with GValue):

{
GValue value={0};
	g_init_value(&value, G_TYPE_INT);
	g_object_get_property(
				(GObject*)object,
				"gtk-double-click-time",
				&value
	);

   /* now you can use g_value_get_int() */

}

>      if (g_type_is_a(G_VALUE_TYPE(&dctvalue), G_TYPE_INT)) {
> 	double_click_time = g_value_get_int(&dctvalue);
>      }
>    }
>
> The settings are non-null, but g_object_get doesn't give me the value.  I
> also get this error:
>
> (lt-dia:1687): GLib-GObject-CRITICAL **: file gvaluetypes.c: line 820 (g_strdup_value_contents): assertion `G_IS_VALUE (value)' failed

Olexiy