File: spin_button_callback.C

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#include <stdlib.h>
#include <stdio.h>

#include <glib.h>
#include <gtk/gtk.h>

#include "npfile.h"
#include "npstringarray.h"
#include "npgroup.h"
#include "npnode.h"
#include "nptree.h"
#include "npcollections.h"

void spin_button_callback( GtkWidget *widget, gpointer data )
{
   GtkSpinButton *spin = ( GtkSpinButton *)widget;

   NP_Collections *collections = ( NP_Collections *)data;

   collections->transfer_quantity = gtk_spin_button_get_value_as_int( spin );

   return;
}