/** Sets the predecessor of a Menuitem item to itemid (for wizzards)
* i.e. the menuitem to go to after hitting "Enter" on item.
*
* @return 0 on success and -1 otherwise
*/
int set_predecessor(MenuItem *item, char *itemid, Client *c)
{
// no sense to call this function on a null item
assert(item != NULL);
debug(RPT_DEBUG, "%s(%s, %s, %d)", __FUNCTION__,
item->id, itemid, c->sock);
// handle these special
if (strcmp("_quit_", itemid) != 0
&& strcmp("_close_", itemid) != 0
&& strcmp("_none_", itemid) != 0)
{
MenuItem *predecessor = menuitem_search(itemid, c);
if ( ! predecessor)
{
sock_printf_error(c->sock, "Cannot find predecessor '%s'"
" for item '%s'\n", itemid, item->id);
return -1;
}
}
debug(RPT_DEBUG, "%s( Client [%d], ... )"
" setting '%s's predecessor from '%s' to '%s'",
__FUNCTION__, c->sock, item->id,
item->predecessor_id, itemid);
if (item->predecessor_id)
free(item->predecessor_id);
item->predecessor_id = strdup(itemid);
return 0;
}
/** Sets the successor of a Menuitem item to itemid (for wizzards) i.e. the
* menuitem to go to after hitting "Enter" on item. Checks that a matching
* menu item can be found. Checks if item is not a menu. (If you would
* redefine the meaning of "Enter" for a menu it would not be useful
* anymore.)
*
* @return 0 on success and -1 otherwise
*/
int set_successor(MenuItem *item, char *itemid, Client *c)
{
// no sense to call this function on a null item
assert(item != NULL);
debug(RPT_DEBUG, "%s(%s, %s, %d)", __FUNCTION__,
item->id, itemid, c->sock);
// handle these special
if (strcmp("_quit_", itemid) != 0
&& strcmp("_close_", itemid) != 0
&& strcmp("_none_", itemid) != 0)
{
MenuItem *successor = menuitem_search(itemid, c);
if ( ! successor)
{
sock_printf_error(c->sock, "Cannot find successor '%s'"
" for item '%s'\n", itemid, item->id);
return -1;
}
}
if (item->type == MENUITEM_MENU)
{
sock_printf_error(c->sock, "Cannot set successor of '%s':"
" wrong type '%s'\n", item->id,
menuitem_type_to_typename(item->type));
return -1;
}
debug (RPT_DEBUG, "%s( Client [%d], ... )"
" setting '%s's successor from '%s' to '%s'",
__FUNCTION__, c->sock, item->id,
item->successor_id, itemid);
if (item->successor_id)
free(item->successor_id);
item->successor_id = strdup(itemid);
return 0;
}
static void
handle_successor(void)
{
MenuItem *successor;
MenuItem *item = (active_menuitem->type == MENUITEM_MENU)
? menu_get_item_for_successor_check(active_menuitem)
: active_menuitem;
assert(item != NULL);
debug(RPT_DEBUG, "%s: Switching to registered successor '%s' of '%s'.",
__FUNCTION__, item->successor_id, item->id);
successor = menuitem_search(item->successor_id,
(Client *) active_menuitem->client);
if (successor == NULL) {
/*
* note: if _quit_, _close_, _none_ get here this would be an
* implementation error - they should have been handled via
* different MENURESULT codes.
*/
report(RPT_ERR, "%s: cannot find successor '%s' of '%s'.",
__FUNCTION__, item->successor_id, item->id);
return;
}
switch (successor->type) {
case MENUITEM_ACTION:
case MENUITEM_CHECKBOX:
case MENUITEM_RING:
if (active_menuitem != successor->parent)
menuscreen_switch_item(successor->parent);
/* this won't work for hidden subitems */
menu_select_subitem(active_menuitem, item->successor_id);
menuitem_update_screen(active_menuitem, menuscreen);
break;
default:
if ((successor->parent != NULL) &&
(successor->parent->type == MENUITEM_MENU)) {
/* update parent menu too */
menu_select_subitem(successor->parent, successor->id);
}
menuscreen_switch_item(successor);
break;
}
}
/***************************************************************
* Requests the menu system to display the given menu screen. Depending on
* the setting of the LCDPROC_PERMISSIVE_MENU_GOTO it is impossible
* to go to a menu of another client (or the server menus). Same
* restriction applies to the optional predecessor_id
*
* Usage: menu_goto <id> [<predecessor_id>]
*/
int
menu_goto_func (Client * c, int argc, char **argv)
{
char * menu_id;
Menu * menu;
debug (RPT_DEBUG, "%s( Client [%d], %s, %s )",
__FUNCTION__, c->sock, (argc > 1 ? argv[1] : "<null>"),
(argc > 2 ? argv[2] : "<null>") );
if (!c->ack)
return 1;
if ((argc < 2 ) || (argc > 3)) {
sock_send_error(c->sock, "Usage: menu_goto <menuid> [<predecessor_id>]\n");
return 0;
}
menu_id = argv[1];
if ( menu_id[0] == 0 ) {
/* No menu specified = client's main menu */
menu = c->menu;
} else {
/* A specified menu */
menu = menuitem_search(menu_id, c);
}
if (!menu) {
sock_send_error(c->sock, "Cannot find menu id\n");
return 0;
}
if (argc > 2 )
set_predecessor(menu, argv[2], c);
menuscreen_goto (menu);
/* Failure is not returned (Robijn) */
sock_send_string(c->sock, "success\n");
return 0;
}