Re: How to send user_data into callback function by glade only?

[donglongchao <donglongchao 163 com>]

在2009-04-11，"Tadej Borovšak" <tadeboro gmail com> 写道：
>2009/4/11 donglongchao <donglongchao 163 com>:
>> Hi all,
>> I have a question using glade(3.4.5).
>> In the "signal" tab,there is a item "user_data".I want to know how to fill and what to fill to send the data I filled into the callback function, without using gtk_signal_connect(......) or something like that,just and only use glade itself and glade_xml_signal_autoconnect().
>> I do not know if i should define the data before I fill and send it,and where should I define my data? global scope? statics
>> one?I even do not know if i could send data defined by myself.
>> Remember just and only use  glade itself and glade_xml_signal_autoconnect().
>> It is a simple question ,but confused me several days,will any one help?Thanks.
>>
>> Wish you happy.
>> Dong
>> _______________________________________________
>> gtk-app-devel-list mailing list
>> gtk-app-devel-list gnome org
>> http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
>>
>
>Hello.
>
>You can only pass other objects created in glade via this field. You
>cannot pass structs, integers ...
>
>
>-- 
>Tadej Borovšak
>tadeboro gmail com
>tadej borovsak gmail com
Hi,

I fill the item with "&myspinbutton" and I connect "clicked" signal of a button to callback function like follows.

void on_checkbutton1_clicked(GtkButton *checkbutton1,gpointer user_data)
{
	gchar spin[10];
	GtkWidget * window;
	if (gtk_toggle_button_get_active(checkbutton1))	
		{window=gtk_message_dialog_new(NULL,GTK_DIALOG_MODAL |\
						   GTK_DIALOG_DESTROY_WITH_PARENT,
						   GTK_MESSAGE_INFO,					GTK_BUTTONS_OK_CANCEL,g_ascii_dtostr(spin,10,gtk_spin_button_get_value((GtkSpinButton*)(user_data))));
	g_signal_connect(window,"response",
					       gtk_widget_destroy,NULL);
	gtk_widget_show (window);}
}
And I want to show the value of "myspinbutton" by pass its point to callback function.But every time I click the button there is no response.Just left "(gtk_toggle_button_get_active): assertion `GTK_IS_TOGGLE_BUTTON
(toggle_button)' failed".

But if i do not pass the "&spinbutton", and the function only have one para(GtkButton *checkbutton1), it works,no error,no warning.

I do not know why.Any one could help?Thanks.

Wish you happy.
Dong