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 /*LINTLIBRARY*/ 41 42 #include <sys/types.h> 43 #include "curses_inc.h" 44 #ifdef DEBUG 45 #include <ctype.h> 46 #endif /* DEBUG */ 47 48 /* 49 * This routine reads in a character from the window. 50 * 51 * wgetch MUST return an int, not a char, because it can return 52 * things like ERR, meta characters, and function keys > 256. 53 */ 54 55 int 56 wgetch(WINDOW *win) 57 { 58 int inp; 59 bool weset = FALSE; 60 61 #ifdef DEBUG 62 if (outf) { 63 fprintf(outf, "WGETCH: SP->fl_echoit = %c\n", 64 SP->fl_echoit ? 'T' : 'F'); 65 fprintf(outf, "_use_keypad %d, kp_state %d\n", 66 win->_use_keypad, SP->kp_state); 67 fprintf(outf, "file %x fd %d\n", SP->input_file, 68 fileno(SP->input_file)); 69 } 70 #endif /* DEBUG */ 71 72 if (SP->fl_echoit && cur_term->_fl_rawmode == 0) { 73 (void) cbreak(); 74 weset++; 75 } 76 77 /* Make sure we are in proper nodelay state and not */ 78 /* in halfdelay state */ 79 if (cur_term->_delay <= 0 && cur_term->_delay != win->_delay) 80 (void) ttimeout(win->_delay); 81 82 if ((win->_flags & (_WINCHANGED | _WINMOVED)) && !(win->_flags & 83 _ISPAD)) 84 (void) wrefresh(win); 85 86 if ((cur_term->_ungotten == 0) && (req_for_input)) { 87 (void) tputs(req_for_input, 1, _outch); 88 (void) fflush(SP->term_file); 89 } 90 inp = (int)tgetch((int)(win->_use_keypad ? 1 + win->_notimeout : 0)); 91 92 /* echo the key out to the screen */ 93 if (SP->fl_echoit && (inp < 0200) && (inp >= 0) && !(win->_flags & 94 _ISPAD)) 95 (void) wechochar(win, (chtype) inp); 96 97 /* 98 * Do nl() mapping. nl() affects both input and output. Since 99 * we turn off input mapping of CR->NL to not affect input 100 * virtualization, we do the mapping here in software. 101 */ 102 if (inp == '\r' && !SP->fl_nonl) 103 inp = '\n'; 104 105 if (weset) 106 (void) nocbreak(); 107 108 return (inp); 109 } 110