projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 60de5df9 | 1 | /* |
| 46e9ea25 KB |
2 | * Copyright (c) 1983 Regents of the University of California. |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms are permitted | |
| 5e8b0e60 KB |
6 | * provided that the above copyright notice and this paragraph are |
| 7 | * duplicated in all such forms and that any documentation, | |
| 8 | * advertising materials, and other materials related to such | |
| 9 | * distribution and use acknowledge that the software was developed | |
| 10 | * by the University of California, Berkeley. The name of the | |
| 11 | * University may not be used to endorse or promote products derived | |
| 12 | * from this software without specific prior written permission. | |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 60de5df9 EW |
16 | */ |
| 17 | ||
| 46e9ea25 | 18 | #ifndef lint |
| 5e8b0e60 | 19 | static char sccsid[] = "@(#)wwcursor.c 3.10 (Berkeley) %G%"; |
| 46e9ea25 KB |
20 | #endif /* not lint */ |
| 21 | ||
| 120c3815 EW |
22 | #include "ww.h" |
| 23 | ||
| 24 | wwcursor(w, on) | |
| 25 | register struct ww *w; | |
| 26 | { | |
| 27 | register char *win; | |
| 120c3815 EW |
28 | |
| 29 | if (on) { | |
| 30 | if (w->ww_hascursor) | |
| 31 | return; | |
| 32 | w->ww_hascursor = 1; | |
| 33 | } else { | |
| 34 | if (!w->ww_hascursor) | |
| 35 | return; | |
| 36 | w->ww_hascursor = 0; | |
| 37 | } | |
| 38 | if (wwcursormodes != 0) { | |
| 39 | win = &w->ww_win[w->ww_cur.r][w->ww_cur.c]; | |
| 120c3815 | 40 | *win ^= wwcursormodes; |
| f2a77fe1 EW |
41 | if (w->ww_cur.r < w->ww_i.t || w->ww_cur.r >= w->ww_i.b |
| 42 | || w->ww_cur.c < w->ww_i.l || w->ww_cur.c >= w->ww_i.r) | |
| 19f9784c | 43 | return; |
| f2a77fe1 | 44 | if (wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index) { |
| 84ad208b EW |
45 | if (*win == 0) |
| 46 | w->ww_nvis[w->ww_cur.r]++; | |
| 47 | else if (*win == wwcursormodes) | |
| 48 | w->ww_nvis[w->ww_cur.r]--; | |
| f2a77fe1 | 49 | wwns[w->ww_cur.r][w->ww_cur.c].c_m ^= wwcursormodes; |
| 04d70db4 | 50 | wwtouched[w->ww_cur.r] |= WWU_TOUCHED; |
| 19f9784c | 51 | } |
| 120c3815 EW |
52 | } |
| 53 | } | |
| 35ffbdff EW |
54 | |
| 55 | wwsetcursormodes(new) | |
| 56 | register new; | |
| 57 | { | |
| 58 | register i; | |
| 59 | register struct ww *w; | |
| 60 | register old = wwcursormodes; | |
| 61 | ||
| 62 | new &= wwavailmodes; | |
| 63 | if (new == wwcursormodes) | |
| 64 | return; | |
| 65 | for (i = 0; i < NWW; i++) | |
| 66 | if (wwindex[i] != 0 && (w = wwindex[i])->ww_hascursor) { | |
| 67 | wwcursor(w, 0); | |
| 68 | wwcursormodes = new; | |
| 69 | wwcursor(w, 1); | |
| 70 | wwcursormodes = old; | |
| 71 | } | |
| 72 | wwcursormodes = new; | |
| 73 | } |