init_keytry.c revision 178866 
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28
29#include <curses.priv.h>
30
31#include <term.h>
32/* keypad_xmit, keypad_local, meta_on, meta_off */
33/* cursor_visible,cursor_normal,cursor_invisible */
34
35#include <tic.h>		/* struct tinfo_fkeys */
36
37#include <term_entry.h>
38
39MODULE_ID("$Id: init_keytry.c,v 1.11 2008/05/03 23:09:15 tom Exp $")
40
41/*
42**      _nc_init_keytry()
43**
44**      Construct the try for the current terminal's keypad keys.
45**
46*/
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
59const struct tinfo_fkeys *
60_nc_tinfo_fkeysf(void)
61{
62    return _nc_tinfo_fkeys;
63}
64#endif
65
66NCURSES_EXPORT(void)
67_nc_init_keytry(SCREEN *sp)
68{
69    size_t 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, n, strnames);
94		char *value = tp->Strings[n];
95		if (name != 0
96		    && *name == 'k'
97		    && value != 0
98		    && key_defined(value) == 0) {
99		    (void) _nc_add_to_try(&(sp->_keytry),
100					  value,
101					  n - STRCOUNT + KEY_MAX);
102		}
103	    }
104	}
105#endif
106#ifdef TRACE
107	_nc_trace_tries(sp->_keytry);
108#endif
109    }
110}
111