release/src/router/libncurses/ncurses/base/lib_flash.c

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   2  * Copyright (c) 1998-2000,2009 Free Software Foundation, Inc.              *
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  28
  29 /****************************************************************************
  30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  32  *     and: Thomas E. Dickey                        1996-on                 *
  33  *     and: Juergen Pfeifer                         2009                    *
  34  ****************************************************************************/
  35
  36 /*
  37  *      flash.c
  38  *
  39  *      The routine flash().
  40  *
  41  */
  42
  43 #include <curses.priv.h>
  44
  45 #ifndef CUR
  46 #define CUR SP_TERMTYPE
  47 #endif
  48
  49 MODULE_ID("$Id: lib_flash.c,v 1.11 2009/10/24 22:02:14 tom Exp $")
  50
  51 /*
  52  *      flash()
  53  *
  54  *      Flash the current terminal's screen if possible.   If not,
  55  *      sound the audible bell if one exists.
  56  *
  57  */
  58
  59 NCURSES_EXPORT(int)
  60 NCURSES_SP_NAME(flash) (NCURSES_SP_DCL0)
  61 {
  62     int res = ERR;
  63
  64     T((T_CALLED("flash(%p)"), (void *) SP_PARM));
  65 #ifdef USE_TERM_DRIVER
  66     if (SP_PARM != 0)
  67         res = CallDriver_1(SP_PARM, doBeepOrFlash, FALSE);
  68 #else
  69     /* FIXME: should make sure that we are not in altchar mode */
  70     if (flash_screen) {
  71         TPUTS_TRACE("flash_screen");
  72         res = putp(flash_screen);
  73         _nc_flush();
  74     } else if (bell) {
  75         TPUTS_TRACE("bell");
  76         res = putp(bell);
  77         _nc_flush();
  78     }
  79 #endif
  80     returnCode(res);
  81 }
  82
  83 #if NCURSES_SP_FUNCS
  84 NCURSES_EXPORT(int)
  85 flash(void)
  86 {
  87     return NCURSES_SP_NAME(flash) (CURRENT_SCREEN);
  88 }
  89 #endif