Re: Newbie in over head -- Marshallers

[Owen Taylor <otaylor redhat com>]

On Wed, 2003-03-26 at 10:50, Dennie, Brooke wrote:
> Hello,
> 
> I need to add a signal to the GtkWidget so that the callback functions will
> take two pointers instead of one. i.e.
> 		foo(GtkWidget *widget, gpointer clientdata, gpointer
> datastruct){}
> 
> I realize that I need to use gtk_object_class_user_signal_new(), however, I
> don't understand how to define a new marshaller for this. The FAQ simply
> says "If you want your new signal to have more than the classical gpointer
> parameter, you'll have to play with GTK+ marshallers." I'm guessing that I
> need to use GtkCallbackMarshal() to define a function, but I can't seem to
> find any documentation on what the marshaller functions actually need to do.
> 
> Note: I don't have access to the gtk src code on the machine I'm using yet,
> so I can't look there for an example
> 
> Can anyone help me?

http://developer.gnome.org/dotplan/porting/ar01s15.html

Has information about using glib-genmarshal.

Regards,
                                                  Owen