Annotation of src/usr.bin/window/wwcursor.c, Revision 1.6
1.6 ! millert 1: /* $OpenBSD: wwcursor.c,v 1.5 2001/11/19 19:02:18 mpech Exp $ */
1.2 niklas 2: /* $NetBSD: wwcursor.c,v 1.4 1996/02/08 20:45:08 mycroft Exp $ */
1.1 deraadt 3:
4: /*
5: * Copyright (c) 1983, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * Edward Wang at The University of California, Berkeley.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
1.6 ! millert 19: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: */
35:
36: #ifndef lint
37: #if 0
38: static char sccsid[] = "@(#)wwcursor.c 8.1 (Berkeley) 6/6/93";
39: #else
1.6 ! millert 40: static char rcsid[] = "$OpenBSD: wwcursor.c,v 1.5 2001/11/19 19:02:18 mpech Exp $";
1.1 deraadt 41: #endif
42: #endif /* not lint */
43:
44: #include "ww.h"
45:
46: wwcursor(w, on)
1.5 mpech 47: struct ww *w;
1.1 deraadt 48: {
1.5 mpech 49: char *win;
1.1 deraadt 50:
51: if (on) {
1.2 niklas 52: if (ISSET(w->ww_wflags, WWW_HASCURSOR))
1.1 deraadt 53: return;
1.2 niklas 54: SET(w->ww_wflags, WWW_HASCURSOR);
1.1 deraadt 55: } else {
1.2 niklas 56: if (!ISSET(w->ww_wflags, WWW_HASCURSOR))
1.1 deraadt 57: return;
1.2 niklas 58: CLR(w->ww_wflags, WWW_HASCURSOR);
1.1 deraadt 59: }
60: if (wwcursormodes != 0) {
61: win = &w->ww_win[w->ww_cur.r][w->ww_cur.c];
62: *win ^= wwcursormodes;
63: if (w->ww_cur.r < w->ww_i.t || w->ww_cur.r >= w->ww_i.b
64: || w->ww_cur.c < w->ww_i.l || w->ww_cur.c >= w->ww_i.r)
65: return;
66: if (wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index) {
67: if (*win == 0)
68: w->ww_nvis[w->ww_cur.r]++;
69: else if (*win == wwcursormodes)
70: w->ww_nvis[w->ww_cur.r]--;
71: wwns[w->ww_cur.r][w->ww_cur.c].c_m ^= wwcursormodes;
72: wwtouched[w->ww_cur.r] |= WWU_TOUCHED;
73: }
74: }
75: }
76:
77: wwsetcursormodes(new)
1.5 mpech 78: int new;
1.1 deraadt 79: {
1.5 mpech 80: int i;
81: struct ww *w;
82: int old = wwcursormodes;
1.1 deraadt 83:
84: new &= wwavailmodes;
85: if (new == wwcursormodes)
86: return;
87: for (i = 0; i < NWW; i++)
1.2 niklas 88: if (wwindex[i] != 0 &&
89: ISSET((w = wwindex[i])->ww_wflags, WWW_HASCURSOR)) {
1.1 deraadt 90: wwcursor(w, 0);
91: wwcursormodes = new;
92: wwcursor(w, 1);
93: wwcursormodes = old;
94: }
95: wwcursormodes = new;
96: }