Re: [gtk-list] the mysterious pointer error

[Paolo Molaro <lupus lettere unipd it>]

On Mon, Aug 02, 1999 at 03:55:39PM +0000, Willem Robert van Hage wrote:
> the problem's somewhere in xfuncs.c and gamec.c,
> in xfuncs.c there's the function "void init_widgets(GameControl**
> gamec);", and in that function
> "gtk_signal_connect(GTK_OBJECT(MAP_WINDOW),"key_press_event",GTK_SIGNAL_FUNC(key_interface),gamec);"
> that means gamec is a GameControl**... in gamec.c the function "void
> key_interface(GameControl** gamec,GdkEventKey* event);"

key_interface() will be called with the object as first argument, while
the user_data pointer will come last, so it needs to have the signature:

int
key_interface(GtkWidget *widget, GdkKeyEvent* event, gpointer data) {
	GameControl ** gamec = (GameControl**)data;
	....
}

lupus

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lupus@debian.org                                     debian/rules