1 /* $NetBSD: meta.c,v 1.11 2024/12/23 02:58:03 blymn Exp $ */ 2 3 /*- 4 * Copyright (c) 1998-2000 Brett Lymn 5 * (blymn@baea.com.au, brett_lymn@yahoo.com.au) 6 * All rights reserved. 7 * 8 * This code has been donated to The NetBSD Foundation by the Author. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __RCSID("$NetBSD: meta.c,v 1.11 2024/12/23 02:58:03 blymn Exp $"); 35 #endif /* not lint */ 36 37 #include "curses.h" 38 #include "curses_private.h" 39 40 /* 41 * meta -- 42 * Turn on or off the terminal meta mode. 43 */ 44 int 45 meta(/*ARGSUSED*/ WINDOW *win, bool bf) 46 { 47 if (__predict_false(win == NULL)) 48 return ERR; 49 50 if (bf == TRUE) { 51 if (meta_on != NULL) { 52 __CTRACE(__CTRACE_MISC, "meta: TRUE\n"); 53 tputs(meta_on, 0, __cputchar); 54 _cursesi_screen->meta_state = TRUE; 55 fflush(_cursesi_screen->outfd); 56 } 57 } else { 58 if (meta_off != NULL) { 59 __CTRACE(__CTRACE_MISC, "meta: FALSE\n"); 60 tputs(meta_off, 0, __cputchar); 61 _cursesi_screen->meta_state = FALSE; 62 fflush(_cursesi_screen->outfd); 63 } 64 } 65 66 return OK; 67 } 68 69 /* 70 * __restore_meta_state -- 71 * Restore old meta state. 72 */ 73 void 74 __restore_meta_state(void) 75 { 76 77 meta(NULL, _cursesi_screen->meta_state); 78 } 79 80