gtk_table_attach( GTK_TABLE(fvd->f_main_box),fvd->f_logical_op_junction_box,0,1,1,2,GTK_SHRINK,GTK_FILL,0,0);
+ gtk_container_set_border_width(GTK_CONTAINER(fvd->f_main_box), 1);
+
/* initialize a new line */
fvd->f_lines = g_ptr_array_new();
fvd->rows = 1;