+ int index, nr;
+ GtkTreeIter iter;
+ GtkListStore *model = cylinder_list.model;
+ GtkTreeSelection *selection;
+ struct dive *dive;
+ cylinder_t *cyl;
+
+ selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(cylinder_list.tree_view));
+
+ /* Nothing selected? This shouldn't happen, since the button should be inactive */
+ if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
+ return;
+
+ gtk_tree_model_get(GTK_TREE_MODEL(model), &iter, CYL_INDEX, &index, -1);
+
+ dive = current_dive;
+ if (!dive)
+ return;
+ cyl = dive->cylinder + index;
+ nr = cylinder_list.max_index - index - 1;
+
+ if (gtk_list_store_remove(model, &iter)) {
+ do {
+ gtk_list_store_set(model, &iter, CYL_INDEX, index, -1);
+ index++;
+ } while (gtk_tree_model_iter_next(GTK_TREE_MODEL(model), &iter));
+ }
+
+ cylinder_list.max_index--;
+ memmove(cyl, cyl+1, nr*sizeof(*cyl));
+ memset(cyl+nr, 0, sizeof(*cyl));
+
+ mark_divelist_changed(TRUE);
+ flush_divelist(dive);
+
+ gtk_widget_set_sensitive(cylinder_list.edit, 0);
+ gtk_widget_set_sensitive(cylinder_list.del, 0);
+ gtk_widget_set_sensitive(cylinder_list.add, 1);