1 /* $NetBSD: curs_set.c,v 1.10 2011/03/30 09:47:02 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 1.10 2011/03/30 09:47:02 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 (cursor_invisible != NULL) { 56 #ifdef DEBUG 57 __CTRACE(__CTRACE_MISC, 58 "curs_set: invisible\n"); 59 #endif 60 _cursesi_screen->old_mode = 0; 61 tputs(cursor_invisible, 0, __cputchar); 62 fflush(_cursesi_screen->outfd); 63 return old_one; 64 } 65 break; 66 67 case 1: /* normal */ 68 if (cursor_normal != NULL) { 69 #ifdef DEBUG 70 __CTRACE(__CTRACE_MISC, "curs_set: normal\n"); 71 #endif 72 _cursesi_screen->old_mode = 1; 73 tputs(cursor_normal, 0, __cputchar); 74 fflush(_cursesi_screen->outfd); 75 return old_one; 76 } 77 break; 78 79 case 2: /* high visibility */ 80 if (cursor_visible != NULL) { 81 #ifdef DEBUG 82 __CTRACE(__CTRACE_MISC, 83 "curs_set: high vis\n"); 84 #endif 85 _cursesi_screen->old_mode = 2; 86 tputs(cursor_visible, 0, __cputchar); 87 fflush(_cursesi_screen->outfd); 88 return old_one; 89 } 90 break; 91 92 default: 93 break; 94 } 95 96 return ERR; 97 } 98 99 /* 100 * __restore_cursor_vis -- 101 * Restore the old cursor visibility. 102 */ 103 void 104 __restore_cursor_vis(void) 105 { 106 curs_set(_cursesi_screen->old_mode); 107 } 108 109