/* example-start radiobuttons radiobuttons.c */

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

void close_application( GtkWidget *widget,
                        GdkEvent  *event,
			gpointer   data )
{
  gtk_main_quit();
}

int main( int   argc,
          char *argv[] )
{
    GtkWidget *window = NULL;
    GtkWidget *box1;
    GtkWidget *box2;
    GtkWidget *button;
    GtkWidget *separator;
    GSList *group;
  
    gtk_init(&argc,&argv);    
      
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  
    gtk_signal_connect (GTK_OBJECT (window), "delete_event",
		        GTK_SIGNAL_FUNC(close_application),
                        NULL);

    gtk_window_set_title (GTK_WINDOW (window), "radio buttons");
    gtk_container_set_border_width (GTK_CONTAINER (window), 0);

    box1 = gtk_vbox_new (FALSE, 0);
    gtk_container_add (GTK_CONTAINER (window), box1);
    gtk_widget_show (box1);

    box2 = gtk_vbox_new (FALSE, 10);
    gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
    gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
    gtk_widget_show (box2);

    button = gtk_radio_button_new_with_label (NULL, "button1");
    gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
    gtk_widget_show (button);

    group = gtk_radio_button_group (GTK_RADIO_BUTTON (button));
    button = gtk_radio_button_new_with_label(group, "button2");
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
    gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
    gtk_widget_show (button);

    button = gtk_radio_button_new_with_label(
	         gtk_radio_button_group (GTK_RADIO_BUTTON (button)),
                 "button3");
    gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
    gtk_widget_show (button);

    separator = gtk_hseparator_new ();
    gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
    gtk_widget_show (separator);

    box2 = gtk_vbox_new (FALSE, 10);
    gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
    gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
    gtk_widget_show (box2);

    button = gtk_button_new_with_label ("close");
    gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
                               GTK_SIGNAL_FUNC(close_application),
                               GTK_OBJECT (window));
    gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
    GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
    gtk_widget_grab_default (button);
    gtk_widget_show (button);
    gtk_widget_show (window);
     
    gtk_main();

    return(0);
}
/* example-end */