1 /* 2 * Copyright (c) 1981 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 /*static char sccsid[] = "from: @(#)getch.c 5.6 (Berkeley) 6/1/90";*/ 36 static char rcsid[] = "$Id: getch.c,v 1.3 1993/08/01 18:35:41 mycroft Exp $"; 37 #endif /* not lint */ 38 39 # include "curses.ext" 40 41 /* 42 * This routine reads in a character from the window. 43 * 44 */ 45 wgetch(win) 46 reg WINDOW *win; { 47 48 reg bool weset = FALSE; 49 reg int inp; 50 51 if (!win->_scroll && (win->_flags&_FULLWIN) 52 && win->_curx == win->_maxx - 1 && win->_cury == win->_maxy - 1) 53 return ERR; 54 # ifdef DEBUG 55 fprintf(outf, "WGETCH: _echoit = %c, _rawmode = %c\n", _echoit ? 'T' : 'F', _rawmode ? 'T' : 'F'); 56 # endif 57 if (_echoit && !_rawmode) { 58 cbreak(); 59 weset++; 60 } 61 inp = getchar(); 62 if (inp != EOF) { 63 # ifdef DEBUG 64 fprintf(outf,"WGETCH got '%s'\n",unctrl(inp)); 65 # endif 66 if (_echoit) { 67 mvwaddch(curscr, win->_cury + win->_begy, 68 win->_curx + win->_begx, (unsigned char) inp); 69 waddch(win, (unsigned char) inp); 70 } 71 } 72 if (weset) 73 nocbreak(); 74 return inp; 75 } 76