Fix selected device

src/xscanimage.c

@@ -2021,13 +2021,21 @@ static int
 select_device_callback (GtkWidget * widget, GdkEventButton * event,
 			gpointer data)
 {
-  seldev = (long) data;
   if (event->type == GDK_2BUTTON_PRESS && event->button == 1)
     ok_choose_dialog_callback ();
-
   return 0;
 }
 
+static void
+group_change_callback (GtkToggleButton* button,
+                       gpointer data)
+{
+  if (gtk_toggle_button_get_active(button))
+    {
+      seldev = (long) data;
+    }
+}
+
 static gint32
 choose_device (void)
 {
@@ -2057,12 +2065,17 @@ choose_device (void)
       adev = devlist[i];
 
       if (button == NULL)
-         button = gtk_radio_button_new_with_label (NULL, (char *) adev->name);
+        {
+          button = gtk_radio_button_new_with_label (NULL, (char *) adev->name);
+        }
       else
          button = gtk_radio_button_new_with_label_from_widget( GTK_RADIO_BUTTON(button), adev->name );
       g_signal_connect (G_OBJECT (button), "button_press_event",
 			  G_CALLBACK (select_device_callback),
 			  (void *) (long) i);
+      g_signal_connect (G_OBJECT (button), "toggled",
+                          G_CALLBACK (group_change_callback),
+                          (void *) (long) i);
       gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
       gtk_widget_show (button);
       if (i == defdev)