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 5.7 (Berkeley) 8/23/92";*/ 36 static char rcsid[] = "$Id: getch.c,v 1.4 1993/08/07 05:48:52 mycroft Exp $"; 37 #endif /* not lint */ 38 39 #include <curses.h> 40 41 /* 42 * wgetch -- 43 * Read in a character from the window. 44 */ 45 int 46 wgetch(win) 47 register WINDOW *win; 48 { 49 register int inp, weset; 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 __TRACE("wgetch: __echoit = %d, __rawmode = %d\n", 56 __echoit, __rawmode); 57 #endif 58 if (__echoit && !__rawmode) { 59 cbreak(); 60 weset = 1; 61 } else 62 weset = 0; 63 64 inp = getchar(); 65 #ifdef DEBUG 66 __TRACE("wgetch got '%s'\n", unctrl(inp)); 67 #endif 68 if (__echoit) { 69 mvwaddch(curscr, 70 win->_cury + win->_begy, win->_curx + win->_begx, inp); 71 waddch(win, inp); 72 } 73 if (weset) 74 nocbreak(); 75 return (inp); 76 } 77