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curses.c revision 1.7 
      1 /*
      2  * Copyright (c) 1981, 1993
      3  *	The Regents of the University of California.  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 /* from: static char sccsid[] = "@(#)curses.c	8.2 (Berkeley) 1/2/94"; */
     36 static char *rcsid = "$Id: curses.c,v 1.7 1994/01/24 08:36:50 cgd Exp $";
     37 #endif /* not lint */
     38 
     39 #include <curses.h>
     40 
     41 /* Private. */
     42 int	__echoit = 1;			/* If stty indicates ECHO. */
     43 int	__pfast;
     44 int	__rawmode = 0;			/* If stty indicates RAW mode. */
     45 int	__noqch = 0;			/*
     46 					 * If terminal doesn't have
     47 					 * insert/delete line capabilities
     48 					 * for quick change on refresh.
     49 					 */
     50 char	AM, BS, CA, DA, EO, HC, IN, MI, MS, NC, NS, OS, PC,
     51 	UL, XB, XN, XT, XS, XX;
     52 char	*AL, *BC, *BT, *CD, *CE, *CL, *CM, *CR, *CS, *DC, *DL,
     53 	*DM, *DO, *ED, *EI, *K0, *K1, *K2, *K3, *K4, *K5, *K6,
     54 	*K7, *K8, *K9, *HO, *IC, *IM, *IP, *KD, *KE, *KH, *KL,
     55 	*KR, *KS, *KU, *LL, *MA, *ND, *NL, *RC, *SC, *SE, *SF,
     56 	*SO, *SR, *TA, *TE, *TI, *UC, *UE, *UP, *US, *VB, *VS,
     57 	*VE, *al, *dl, *sf, *sr,
     58 	*AL_PARM, *DL_PARM, *UP_PARM, *DOWN_PARM, *LEFT_PARM,
     59 	*RIGHT_PARM;
     60 /*
     61  * Public.
     62  *
     63  * XXX
     64  * UPPERCASE isn't used by libcurses, and is left for backward
     65  * compatibility only.
     66  */
     67 WINDOW	*curscr;			/* Current screen. */
     68 WINDOW	*stdscr;			/* Standard screen. */
     69 int	 COLS;				/* Columns on the screen. */
     70 int	 LINES;				/* Lines on the screen. */
     71 int	 My_term = 0;			/* Use Def_term regardless. */
     72 char	*Def_term = "unknown";		/* Default terminal type. */
     73 char	 GT;				/* Gtty indicates tabs. */
     74 char	 NONL;				/* Term can't hack LF doing a CR. */
     75 char	 UPPERCASE;			/* Terminal is uppercase only. */
     76