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28 
29 #include <curses.priv.h>
30 #include <tic.h>		/* struct tinfo_fkeys */
31 
32 MODULE_ID("$Id: init_keytry.c,v 1.17 2010/04/24 22:29:56 tom Exp $")
33 
34 /*
35 **      _nc_init_keytry()
36 **
37 **      Construct the try for the current terminal's keypad keys.
38 **
39 */
40 
41 /*
42  * Internal entrypoints use SCREEN* parameter to obtain capabilities rather
43  * than cur_term.
44  */
45 #undef CUR
46 #define CUR SP_TERMTYPE
47 
48 #if	BROKEN_LINKER
49 #undef	_nc_tinfo_fkeys
50 #endif
51 
52 /* LINT_PREPRO
53 #if 0*/
54 #include <init_keytry.h>
55 /* LINT_PREPRO
56 #endif*/
57 
58 #if	BROKEN_LINKER
59 const struct tinfo_fkeys *
60 _nc_tinfo_fkeysf(void)
61 {
62     return _nc_tinfo_fkeys;
63 }
64 #endif
65 
66 NCURSES_EXPORT(void)
67 _nc_init_keytry(SCREEN *sp)
68 {
69     unsigned n;
70 
71     /* The sp->_keytry value is initialized in newterm(), where the sp
72      * structure is created, because we can not tell where keypad() or
73      * mouse_activate() (which will call keyok()) are first called.
74      */
75 
76     if (sp != 0) {
77 	for (n = 0; _nc_tinfo_fkeys[n].code; n++) {
78 	    if (_nc_tinfo_fkeys[n].offset < STRCOUNT) {
79 		(void) _nc_add_to_try(&(sp->_keytry),
80 				      CUR Strings[_nc_tinfo_fkeys[n].offset],
81 				      _nc_tinfo_fkeys[n].code);
82 	    }
83 	}
84 #if NCURSES_XNAMES
85 	/*
86 	 * Add any of the extended strings to the tries if their name begins
87 	 * with 'k', i.e., they follow the convention of other terminfo key
88 	 * names.
89 	 */
90 	{
91 	    TERMTYPE *tp = &(sp->_term->type);
92 	    for (n = STRCOUNT; n < NUM_STRINGS(tp); ++n) {
93 		const char *name = ExtStrname(tp, (int) n, strnames);
94 		char *value = tp->Strings[n];
95 		if (name != 0
96 		    && *name == 'k'
97 		    && value != 0
98 		    && NCURSES_SP_NAME(key_defined) (NCURSES_SP_ARGx
99 						     value) == 0) {
100 		    (void) _nc_add_to_try(&(sp->_keytry),
101 					  value,
102 					  n - STRCOUNT + KEY_MAX);
103 		}
104 	    }
105 	}
106 #endif
107 #ifdef TRACE
108 	_nc_trace_tries(sp->_keytry);
109 #endif
110     }
111 }
112