Re: enquiry about labels

["amitjain" <amitjain webdunia com>]

You should use 
gtk_label_get(GTK_LABEL(GTK_BIN(button)->child), &label );
gtk_label_set(GTK_LABEL(GTK_BIN(button)->child), label );
Since GtkLabel contains GtkLabel as a child so you have to use 
this above line.
Bye 
Amit Jain

----- Original Message ----- 
From: "Pierre CHATEL" <addicted2 wanadoo fr>
To: "GTK" <gtk-list gnome org>
Sent: Monday, November 25, 2002 4:57 AM
Subject: enquiry about labels


> Hello,
> ...and sorry for such a silly question but i'm quite new to GTK and C in
> general...
> I want to use gtk_label_set_text (from gtk 1.2) in a callback function
> in order to change a button's label, but it seems i can only use
> 'constant' strings like "hello world" with this function but no char *
> variables.
> 
> So the following procedure's not working at all:
> 
> /*decrement the value of the label by 1*/
> void
> on_button_click_event2 (GtkWidget *button, gpointer label)
> {
>   char *str;
>   int i;
>   gtk_label_get(label,&str);
>   i = atoi(str);
>   i--;
>   sprintf(str,"%i",i);
>   g_print("%s",str);
>   gtk_label_set_text(GTK_LABEL(label),str);
>   /* no change of the button's label at this point !!*/
> }
> 
> But gtk_label_set_text(GTK_LABEL(label),"xxx"); is working !!
> Is there a way i can achieve that with an other function (or even this
> one ?)
> 
> Thanks,
> 
> Pierre
> 
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