Return to wwcursor.c CVS log

Up to [CSRG BSD Unix] / 43BSDTahoe / ucb / window

Annotation of 43BSDTahoe/ucb/window/wwcursor.c, revision 1.1

1.1     ! root        1: /*
        !             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
        !             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.
        !            16:  */
        !            17: 
        !            18: #ifndef lint
        !            19: static char sccsid[] = "@(#)wwcursor.c 3.10 (Berkeley) 6/29/88";
        !            20: #endif /* not lint */
        !            21: 
        !            22: #include "ww.h"
        !            23: 
        !            24: wwcursor(w, on)
        !            25: register struct ww *w;
        !            26: {
        !            27:        register char *win;
        !            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];
        !            40:                *win ^= wwcursormodes;
        !            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)
        !            43:                        return;
        !            44:                if (wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index) {
        !            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]--;
        !            49:                        wwns[w->ww_cur.r][w->ww_cur.c].c_m ^= wwcursormodes;
        !            50:                        wwtouched[w->ww_cur.r] |= WWU_TOUCHED;
        !            51:                }
        !            52:        }
        !            53: }
        !            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: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.