/* $OpenBSD: init_keytry.c,v 1.7 2023/10/17 09:52:09 nicm Exp $ */

/****************************************************************************
 * Copyright 2020 Thomas E. Dickey                                          *
 * Copyright 1999-2010,2016 Free Software Foundation, Inc.                  *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

#include <curses.priv.h>
#include <tic.h>                /* struct tinfo_fkeys */

MODULE_ID("$Id: init_keytry.c,v 1.7 2023/10/17 09:52:09 nicm Exp $")

/*
**      _nc_init_keytry()
**
**      Construct the try for the current terminal's keypad keys.
**
*/

/*
 * Internal entrypoints use SCREEN* parameter to obtain capabilities rather
 * than cur_term.
 */
#undef CUR
#define CUR SP_TERMTYPE

#if     BROKEN_LINKER
#undef  _nc_tinfo_fkeys
#endif

/* LINT_PREPRO
#if 0*/
#include <init_keytry.h>
/* LINT_PREPRO
#endif*/

#if     BROKEN_LINKER
const struct tinfo_fkeys *
_nc_tinfo_fkeysf(void)
{
    return _nc_tinfo_fkeys;
}
#endif

NCURSES_EXPORT(void)
_nc_init_keytry(SCREEN *sp)
{
    /* The sp->_keytry value is initialized in newterm(), where the sp
     * structure is created, because we can not tell where keypad() or
     * mouse_activate() (which will call keyok()) are first called.
     */

    if (sp != 0) {
        unsigned n;

        for (n = 0; _nc_tinfo_fkeys[n].code; n++) {
            if (_nc_tinfo_fkeys[n].offset < STRCOUNT) {
                (void) _nc_add_to_try(&(sp->_keytry),
                                      CUR Strings[_nc_tinfo_fkeys[n].offset],
                                      _nc_tinfo_fkeys[n].code);
            }
        }
#if NCURSES_XNAMES
        /*
         * Add any of the extended strings to the tries if their name begins
         * with 'k', i.e., they follow the convention of other terminfo key
         * names.
         */
        {
            TERMTYPE *tp = &(sp->_term->type);
            for (n = STRCOUNT; n < NUM_STRINGS(tp); ++n) {
                const char *name = ExtStrname(tp, (int) n, strnames);
                char *value = tp->Strings[n];
                if (name != 0
                    && *name == 'k'
                    && value != 0
                    && NCURSES_SP_NAME(key_defined) (NCURSES_SP_ARGx
                                                     value) == 0) {
                    (void) _nc_add_to_try(&(sp->_keytry),
                                          value,
                                          n - STRCOUNT + KEY_MAX);
                }
            }
        }
#endif
#ifdef TRACE
        _nc_trace_tries(sp->_keytry);
#endif
    }
}