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getyx.c revision 1.7.4.1 
      1 /*	$NetBSD: getyx.c,v 1.7.4.1 2025/08/02 05:54:46 perseant Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Julian Coleman.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 __RCSID("$NetBSD: getyx.c,v 1.7.4.1 2025/08/02 05:54:46 perseant Exp $");
     35 #endif				/* not lint */
     36 
     37 #include <stdlib.h>
     38 
     39 #include "curses.h"
     40 #include "curses_private.h"
     41 
     42 /*
     43  * getpary --
     44  *      Get the y position of the window relative to the parent window
     45  * return -1 if not a subwindow.
     46  */
     47 int
     48 getpary(WINDOW *win)
     49 {
     50 
     51 	if (win == NULL)
     52 		return -1;
     53 
     54 	if (win->orig == NULL)
     55 		return -1;
     56 
     57 	return win->begy - win->orig->begy;
     58 }
     59 
     60 /*
     61  * getparx --
     62  *      Get the x position of the window relative to the parent window
     63  * return -1 if not a subwindow.
     64  */
     65 int
     66 getparx(WINDOW *win)
     67 {
     68 
     69 	if (win == NULL)
     70 		return -1;
     71 
     72 	if (win->orig == NULL)
     73 		return -1;
     74 
     75 	return win->begx - win->orig->begx;
     76 }
     77 
     78 /*
     79  * getcury --
     80  *	Get current y position on window.
     81  */
     82 int
     83 getcury(WINDOW *win)
     84 {
     85 
     86 	if (__predict_false(win == NULL))
     87 		return ERR;
     88 
     89 	return win->cury;
     90 }
     91 
     92 /*
     93  * getcurx --
     94  *	Get current x position on window.
     95  */
     96 int
     97 getcurx(WINDOW *win)
     98 {
     99 
    100 	if (__predict_false(win == NULL))
    101 		return ERR;
    102 
    103 	return win->curx;
    104 }
    105 
    106 /*
    107  * getbegy --
    108  *	Get begin y position on window.
    109  */
    110 int
    111 getbegy(WINDOW *win)
    112 {
    113 
    114 	if (__predict_false(win == NULL))
    115 		return ERR;
    116 
    117 	return win->begy;
    118 }
    119 
    120 /*
    121  * getbegx --
    122  *	Get begin x position on window.
    123  */
    124 int
    125 getbegx(WINDOW *win)
    126 {
    127 
    128 	if (__predict_false(win == NULL))
    129 		return ERR;
    130 
    131 	return win->begx;
    132 }
    133 
    134 /*
    135  * getmaxy --
    136  *	Get maximum y position on window.
    137  */
    138 int
    139 getmaxy(WINDOW *win)
    140 {
    141 
    142 	if (__predict_false(win == NULL))
    143 		return ERR;
    144 
    145 	return win->maxy;
    146 }
    147 
    148 /*
    149  * getmaxx --
    150  *	Get maximum x position on window.
    151  */
    152 int
    153 getmaxx(WINDOW *win)
    154 {
    155 
    156 	if (__predict_false(win == NULL))
    157 		return ERR;
    158 
    159 	return win->maxx;
    160 }
    161