set_current_item(MENU * menu, ITEM * item)
{
T((T_CALLED("set_current_item(%p,%p)"), menu, item));
if (menu && item && (item->imenu == menu))
{
if (menu->status & _IN_DRIVER)
RETURN(E_BAD_STATE);
assert(menu->curitem);
if (item != menu->curitem)
{
if (menu->status & _LINK_NEEDED)
{
/*
* Items are available, but they are not linked together.
* So we have to link here.
*/
_nc_Link_Items(menu);
}
assert(menu->pattern);
Reset_Pattern(menu);
/* adjust the window to make item visible and update the menu */
Adjust_Current_Item(menu, menu->toprow, item);
}
}
else
RETURN(E_BAD_ARGUMENT);
RETURN(E_OK);
}
set_menu_pattern(MENU * menu, const char *p)
{
ITEM *matchitem;
int matchpos;
T((T_CALLED("set_menu_pattern(%p,%s)"), menu, _nc_visbuf(p)));
if (!menu || !p)
RETURN(E_BAD_ARGUMENT);
if (!(menu->items))
RETURN(E_NOT_CONNECTED);
if (menu->status & _IN_DRIVER)
RETURN(E_BAD_STATE);
Reset_Pattern(menu);
if (!(*p))
{
pos_menu_cursor(menu);
RETURN(E_OK);
}
if (menu->status & _LINK_NEEDED)
_nc_Link_Items(menu);
matchpos = menu->toprow;
matchitem = menu->curitem;
assert(matchitem);
while (*p)
{
if (!isprint(UChar(*p)) ||
(_nc_Match_Next_Character_In_Item_Name(menu, *p, &matchitem) != E_OK))
{
Reset_Pattern(menu);
pos_menu_cursor(menu);
RETURN(E_NO_MATCH);
}
p++;
}
/* This is reached if there was a match. So we position to the new item */
Adjust_Current_Item(menu, matchpos, matchitem);
RETURN(E_OK);
}
