Re: signal `clicked' is invalid for instance `0x8c2230'

[Emmanuele Bassi <ebassi gmail com>]

hi;

2012/2/15 ååå <ycsunjane gmail com>:
> foundations of gtk+ development  Listing 3-8

> child1=gtk_label_new("go to page 2 to find the answer");
> child2=gtk_label_new("go to page 1 to find the answer");
>
>
> g_signal_connect(G_OBJECT(child1),"clicked",G_CALLBACK(switch_page),(gpointer)
> notebook);
> g_signal_connect(G_OBJECT(child2),"clicked",G_CALLBACK(switch_page),(gpointer)
> notebook);

labels are not buttons; GtkLabel does not have a "clicked" signal.

http://developer.gnome.org/gtk/stable/GtkButton.html
http://developer.gnome.org/gtk/stable/GtkLabel.html

if you copied the source exactly as it is in the book then the book is
wrong; you should notify the book author:
http://www.gtkbook.com/home.php

ciao,
 Emmanuele.

-- 
W: http://www.emmanuelebassi.name
B: http://blogs.gnome.org/ebassi/