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Annotation of 43BSD/ucb/window/wwredrawwin.c, revision 1.1.1.1

1.1       root        1: #ifndef lint
                      2: static char sccsid[] = "@(#)wwredrawwin.c      3.10 4/24/85";
                      3: #endif
                      4: 
                      5: /*
                      6:  * Copyright (c) 1983 Regents of the University of California,
                      7:  * All rights reserved.  Redistribution permitted subject to
                      8:  * the terms of the Berkeley Software License Agreement.
                      9:  */
                     10: 
                     11: #include "ww.h"
                     12: 
                     13: wwredrawwin1(w, row1, row2, offset)
                     14: register struct ww *w;
                     15: int row1, row2, offset;
                     16: {
                     17:        int row;
                     18:        register col;
                     19:        register char *smap;
                     20:        register union ww_char *buf;
                     21:        register char *win;
                     22:        register union ww_char *ns;
                     23:        int nchanged;
                     24: 
                     25:        for (row = row1; row < row2; row++) {
                     26:                col = w->ww_i.l;
                     27:                ns = wwns[row];
                     28:                smap = &wwsmap[row][col];
                     29:                buf = w->ww_buf[row + offset];
                     30:                win = w->ww_win[row];
                     31:                nchanged = 0;
                     32:                for (; col < w->ww_i.r; col++)
                     33:                        if (*smap++ == w->ww_index) {
                     34:                                nchanged++;
                     35:                                ns[col].c_w =
                     36:                                        buf[col].c_w ^ win[col] << WWC_MSHIFT;
                     37:                        }
                     38:                if (nchanged > 4)
                     39:                        wwtouched[row] |= WWU_MAJOR|WWU_TOUCHED;
                     40:                else if (nchanged > 0)
                     41:                        wwtouched[row] |= WWU_TOUCHED;
                     42:        }
                     43: }

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