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underscore.c revision 1.1.6.1 
      1  1.1.6.1  jdc /*	$NetBSD: underscore.c,v 1.1.6.1 2000/01/09 20:43:23 jdc Exp $	*/
      2      1.1  mrg 
      3      1.1  mrg /*
      4      1.1  mrg  * Copyright (c) 1999 Julian. D. Coleman
      5      1.1  mrg  * All rights reserved.
      6      1.1  mrg  *
      7      1.1  mrg  * Redistribution and use in source and binary forms, with or without
      8      1.1  mrg  * modification, are permitted provided that the following conditions
      9      1.1  mrg  * are met:
     10      1.1  mrg  * 1. Redistributions of source code must retain the above copyright
     11      1.1  mrg  *    notice, this list of conditions and the following disclaimer.
     12      1.1  mrg  * 2. The name of the author may not be used to endorse or promote products
     13      1.1  mrg  *    derived from this software without specific prior written permission.
     14      1.1  mrg  *
     15      1.1  mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16      1.1  mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17      1.1  mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18      1.1  mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19      1.1  mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     20      1.1  mrg  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     21      1.1  mrg  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     22      1.1  mrg  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     23      1.1  mrg  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24      1.1  mrg  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25      1.1  mrg  * SUCH DAMAGE.
     26      1.1  mrg  */
     27      1.1  mrg 
     28      1.1  mrg #include "curses.h"
     29      1.1  mrg 
     30      1.1  mrg /*
     31      1.1  mrg  * wunderscore
     32      1.1  mrg  *	Enter underscore mode.
     33      1.1  mrg  */
     34      1.1  mrg int
     35      1.1  mrg wunderscore(win)
     36      1.1  mrg 	WINDOW *win;
     37      1.1  mrg {
     38      1.1  mrg 	/*
     39      1.1  mrg 	 * If can underscore, set the screen underscore bit.
     40      1.1  mrg 	 */
     41      1.1  mrg 	if ((US != NULL && UE != NULL) || UC != NULL) {
     42      1.1  mrg #ifdef DEBUG
     43      1.1  mrg 		__CTRACE("wunderscore\n");
     44      1.1  mrg #endif
     45  1.1.6.1  jdc 		win->wattr |= __UNDERSCORE;
     46      1.1  mrg 	}
     47      1.1  mrg 	return (1);
     48      1.1  mrg }
     49      1.1  mrg 
     50      1.1  mrg /*
     51      1.1  mrg  * wunderend --
     52      1.1  mrg  *	Exit underscore mode.
     53      1.1  mrg  */
     54      1.1  mrg int
     55      1.1  mrg wunderend(win)
     56      1.1  mrg 	WINDOW *win;
     57      1.1  mrg {
     58      1.1  mrg 	if (UE != NULL) {
     59      1.1  mrg #ifdef DEBUG
     60      1.1  mrg 		__CTRACE("wunderuend\n");
     61      1.1  mrg #endif
     62  1.1.6.1  jdc 		win->wattr &= ~__UNDERSCORE;
     63      1.1  mrg 	}
     64      1.1  mrg         return 1;
     65      1.1  mrg }
     66