1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #pragma ident "%Z%%M% %I% %E% SMI" 41 42 /*LINTLIBRARY*/ 43 44 #include <sys/types.h> 45 #include "curses_inc.h" 46 #ifdef DEBUG 47 #include <ctype.h> 48 #endif /* DEBUG */ 49 50 /* 51 * This routine reads in a character from the window. 52 * 53 * wgetch MUST return an int, not a char, because it can return 54 * things like ERR, meta characters, and function keys > 256. 55 */ 56 57 int 58 wgetch(WINDOW *win) 59 { 60 int inp; 61 bool weset = FALSE; 62 63 #ifdef DEBUG 64 if (outf) { 65 fprintf(outf, "WGETCH: SP->fl_echoit = %c\n", 66 SP->fl_echoit ? 'T' : 'F'); 67 fprintf(outf, "_use_keypad %d, kp_state %d\n", 68 win->_use_keypad, SP->kp_state); 69 fprintf(outf, "file %x fd %d\n", SP->input_file, 70 fileno(SP->input_file)); 71 } 72 #endif /* DEBUG */ 73 74 if (SP->fl_echoit && cur_term->_fl_rawmode == 0) { 75 (void) cbreak(); 76 weset++; 77 } 78 79 /* Make sure we are in proper nodelay state and not */ 80 /* in halfdelay state */ 81 if (cur_term->_delay <= 0 && cur_term->_delay != win->_delay) 82 (void) ttimeout(win->_delay); 83 84 if ((win->_flags & (_WINCHANGED | _WINMOVED)) && !(win->_flags & 85 _ISPAD)) 86 (void) wrefresh(win); 87 88 if ((cur_term->_ungotten == 0) && (req_for_input)) { 89 (void) tputs(req_for_input, 1, _outch); 90 (void) fflush(SP->term_file); 91 } 92 inp = (int)tgetch((int)(win->_use_keypad ? 1 + win->_notimeout : 0)); 93 94 /* echo the key out to the screen */ 95 if (SP->fl_echoit && (inp < 0200) && (inp >= 0) && !(win->_flags & 96 _ISPAD)) 97 (void) wechochar(win, (chtype) inp); 98 99 /* 100 * Do nl() mapping. nl() affects both input and output. Since 101 * we turn off input mapping of CR->NL to not affect input 102 * virtualization, we do the mapping here in software. 103 */ 104 if (inp == '\r' && !SP->fl_nonl) 105 inp = '\n'; 106 107 if (weset) 108 (void) nocbreak(); 109 110 return (inp); 111 } 112