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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Juergen Pfeifer, 1995,1997 *
31 ****************************************************************************/
33 /***************************************************************************
35 * Pattern matching handling *
36 ***************************************************************************/
38 #include "menu.priv.h"
40 MODULE_ID("$Id: m_pattern.c,v 1.9 2003/12/06 17:22:10 tom Exp $")
42 /*---------------------------------------------------------------------------
44 | Function : char *menu_pattern(const MENU *menu)
46 | Description : Return the value of the pattern buffer.
48 | Return Values : NULL - if there is no pattern buffer allocated
49 | EmptyString - if there is a pattern buffer but no
51 | PatternString - as expected
52 +--------------------------------------------------------------------------*/
53 NCURSES_EXPORT(char *)
54 menu_pattern (const MENU * menu)
56 return (char *)(menu ? (menu->pattern ? menu->pattern : "") : 0);
59 /*---------------------------------------------------------------------------
61 | Function : int set_menu_pattern(MENU *menu, const char *p)
63 | Description : Set the match pattern for a menu and position to the
64 | first item that matches.
66 | Return Values : E_OK - success
67 | E_BAD_ARGUMENT - invalid menu or pattern pointer
68 | E_NOT_CONNECTED - no items connected to menu
69 | E_BAD_STATE - menu in user hook routine
70 | E_NO_MATCH - no item matches pattern
71 +--------------------------------------------------------------------------*/
73 set_menu_pattern (MENU *menu, const char *p)
79 RETURN(E_BAD_ARGUMENT);
82 RETURN(E_NOT_CONNECTED);
84 if ( menu->status & _IN_DRIVER )
91 pos_menu_cursor(menu);
95 if (menu->status & _LINK_NEEDED)
98 matchpos = menu->toprow;
99 matchitem = menu->curitem;
104 if ( !isprint((unsigned char)(*p)) ||
105 (_nc_Match_Next_Character_In_Item_Name(menu,*p,&matchitem) != E_OK) )
108 pos_menu_cursor(menu);
114 /* This is reached if there was a match. So we position to the new item */
115 Adjust_Current_Item(menu,matchpos,matchitem);
119 /* m_pattern.c ends here */