Re: help: add handler to a menuitem

[Mark Roberts <gtkmm manumark de>]

On Wed, 2 Sep 2009, sd wrote:

> I wanted to add a handler function to menuitem.
 
> // this line will lead to an error when compiling
> G_CALLBACK(on_mnuGlobalConfig_activate), NULL);

> In member function `int gkass::connect_signals()':  argument of type 
> `void (gkass::)()' does not match `void (*)()'

'on_mnuGlobalConfig_activate' is a member function, while G_CALLBACK 
expects a C function. In *mm we use signals from libsigc++. See for 
instance:

http://www.gtkmm.org/docs/gtkmm-2.4/docs/tutorial/html/chapter-signals.html

Mark