1 /* $NetBSD: curs_set.c,v 1.7 2001/12/11 11:18:17 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: curs_set.c,v 1.7 2001/12/11 11:18:17 blymn Exp $"); 35 #endif /* not lint */ 36 37 #include "curses.h" 38 #include "curses_private.h" 39 40 /* 41 * curs_set -- 42 * Set the visibility of the cursor, 0 means invisible, 1 means normal 43 * visibility and 2 means high visibility. Return the previous 44 * visibility iff the terminal supports the new visibility otherwise 45 * return ERR. 46 */ 47 int 48 curs_set(int visibility) 49 { 50 int old_one; 51 52 old_one = _cursesi_screen->old_mode; 53 switch (visibility) { 54 case 0: /* invisible */ 55 if (__tc_vi != NULL) { 56 #ifdef DEBUG 57 __CTRACE("curs_set: invisible\n"); 58 #endif 59 _cursesi_screen->old_mode = 0; 60 tputs(__tc_vi, 0, __cputchar); 61 return old_one; 62 } 63 break; 64 65 case 1: /* normal */ 66 if (__tc_ve != NULL) { 67 #ifdef DEBUG 68 __CTRACE("curs_set: normal\n"); 69 #endif 70 _cursesi_screen->old_mode = 1; 71 tputs(__tc_ve, 0, __cputchar); 72 return old_one; 73 } 74 break; 75 76 case 2: /* high visibility */ 77 if (__tc_vs != NULL) { 78 #ifdef DEBUG 79 __CTRACE("curs_set: high vis\n"); 80 #endif 81 _cursesi_screen->old_mode = 2; 82 tputs(__tc_vs, 0, __cputchar); 83 return old_one; 84 } 85 break; 86 87 default: 88 break; 89 } 90 91 return ERR; 92 } 93 94 /* 95 * __restore_cursor_vis -- 96 * Restore the old cursor visibility. 97 */ 98 void 99 __restore_cursor_vis(void) 100 { 101 curs_set(_cursesi_screen->old_mode); 102 } 103 104