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tetex-bin  3.0
lib_flash.c
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00001 /****************************************************************************
00002  * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
00003  *                                                                          *
00004  * Permission is hereby granted, free of charge, to any person obtaining a  *
00005  * copy of this software and associated documentation files (the            *
00006  * "Software"), to deal in the Software without restriction, including      *
00007  * without limitation the rights to use, copy, modify, merge, publish,      *
00008  * distribute, distribute with modifications, sublicense, and/or sell       *
00009  * copies of the Software, and to permit persons to whom the Software is    *
00010  * furnished to do so, subject to the following conditions:                 *
00011  *                                                                          *
00012  * The above copyright notice and this permission notice shall be included  *
00013  * in all copies or substantial portions of the Software.                   *
00014  *                                                                          *
00015  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
00016  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
00017  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
00018  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
00019  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
00020  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
00021  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
00022  *                                                                          *
00023  * Except as contained in this notice, the name(s) of the above copyright   *
00024  * holders shall not be used in advertising or otherwise to promote the     *
00025  * sale, use or other dealings in this Software without prior written       *
00026  * authorization.                                                           *
00027  ****************************************************************************/
00028 
00029 /****************************************************************************
00030  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
00031  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
00032  ****************************************************************************/
00033 
00034 /*
00035  *     flash.c
00036  *
00037  *     The routine flash().
00038  *
00039  */
00040 
00041 #include <curses.priv.h>
00042 #include <term.h>           /* beep, flash */
00043 
00044 MODULE_ID("$Id: lib_flash.c,v 1.6 2000/12/10 02:43:27 tom Exp $")
00045 
00046 /*
00047  *     flash()
00048  *
00049  *     Flash the current terminal's screen if possible.   If not,
00050  *     sound the audible bell if one exists.
00051  *
00052  */
00053 
00054 NCURSES_EXPORT(int)
00055 flash(void)
00056 {
00057     int res = ERR;
00058 
00059     T((T_CALLED("flash()")));
00060 
00061     /* FIXME: should make sure that we are not in altchar mode */
00062     if (flash_screen) {
00063        TPUTS_TRACE("flash_screen");
00064        res = putp(flash_screen);
00065        _nc_flush();
00066     } else if (bell) {
00067        TPUTS_TRACE("bell");
00068        res = putp(bell);
00069        _nc_flush();
00070     }
00071 
00072     returnCode(res);
00073 }