RE: [gtk-list] How to connect and write callback functions?

[Trog <trog gtk org>]

All the signal prototypes are listed here:

http://www.gtk.org/tutorial/gtk_tut-28.html

The tutorial also has other information on events and callbacks.

-tony


On 10-Mar-2000 hj wrote:
> I want to attach realize_callback, unrealize_callback,
> size_allocate_callback, focus_in_callback and focus_out_callback to
> the
> toplevel window GtkWindow named window.
> 
> static void realize_callback(GtkWidget *w,GtkEvent *e,gpointer gp);
> static void unrealize_callback(GtkWidget *w,GtkEvent *e,gpointer
> gp);
> static void size_allocate_callback(GtkWidget *w,GtkEvent
> *e,gpointer gp);
> static gint focus_in_callback(GtkWidget *w,GtkEvent *e,gpointer
> gp);
> static gint focus_out_callback(GtkWidget *w,GtkEvent *e,gpointer
> gp);
> 
> gtk_signal_connect( GTK_OBJECT(window), "realize",
>                     GTK_SIGNAL_FUNC(realize_callback),
>                     NULL);
> gtk_signal_connect( GTK_OBJECT(window), "unrealize",
>                     GTK_SIGNAL_FUNC(unrealize_callback),
>                     NULL);
> gtk_signal_connect( GTK_OBJECT(window), "size_allocate",
>                     GTK_SIGNAL_FUNC(size_allocate_callback),
>                     NULL);
> gtk_signal_connect( GTK_OBJECT(window), "focus_in_event",
>                     GTK_SIGNAL_FUNC(focus_in_callback),
>                     NULL);
> gtk_signal_connect( GTK_OBJECT(window), "focus_out_event",
>                     GTK_SIGNAL_FUNC(focus_out_callback),
>                     NULL);
> 
> Are prototypes of realize_callback and others correct? Should
> realize_callback return FALSE? What prototype and return value
> should I use
> if I use gtk_signal_connect_after. What should I return when I use
> gtk_signal_connect_after?
> 
> 
> -- 
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