changed some shorts to ints

[unix-history] / usr / src / usr.bin / window / wwframe.c

#ifndef lint
static  char *sccsid = "@(#)wwframe.c   3.4 83/08/16";
#endif

#include "ww.h"
#include "tt.h"

wwframe(w, wframe)
register struct ww *w;
struct ww *wframe;
{
       register r, c;
       char a1, a2, a3;
       char b1, b2, b3;
       register char *smap;
       register code;

       if (w->ww_w.t > 0) {
               r = w->ww_w.t - 1;
               c = w->ww_w.l - 1;
               smap = &wwsmap[r + 1][c + 1];
               a1 = 0;
               a2 = 0;
               b1 = 0;
               b2 = wwframeok(w, r, c);

               for (; c < w->ww_w.r; c++) {
                       a3 = w->ww_index == *smap++;
                       b3 = wwframeok(w, r, c + 1);
                       if (b2) {
                               code = 0;
                               if ((a1 || a2) && b1)
                                       code |= WWF_L;
                               if ((a2 || a3) && b3)
                                       code |= WWF_R;
                               if (code)
                                       wwframec(r, c, wframe, code|WWF_TOP);
                       }
                       a1 = a2;
                       a2 = a3;
                       b1 = b2;
                       b2 = b3;
               }
               if ((a1 || a2) && b1 && b2)
                       wwframec(r, c, wframe, WWF_L|WWF_TOP);
       }

       if (w->ww_w.b < wwnrow) {
               r = w->ww_w.b;
               c = w->ww_w.l - 1;
               smap = &wwsmap[r - 1][c + 1];
               a1 = 0;
               a2 = 0;
               b1 = 0;
               b2 = wwframeok(w, r, c);

               for (; c < w->ww_w.r; c++) {
                       a3 = w->ww_index == *smap++;
                       b3 = wwframeok(w, r, c + 1);
                       if (b2) {
                               code = 0;
                               if ((a1 || a2) && b1)
                                       code |= WWF_L;
                               if ((a2 || a3) && b3)
                                       code |= WWF_R;
                               if (code)
                                       wwframec(r, c, wframe, code);
                       }
                       a1 = a2;
                       a2 = a3;
                       b1 = b2;
                       b2 = b3;
               }
               if ((a1 || a2) && b1 && b2)
                       wwframec(r, c, wframe, WWF_L);
       }

       if (w->ww_w.l > 0) {
               r = w->ww_w.t - 1;
               c = w->ww_w.l - 1;
               a1 = 0;
               a2 = 0;
               b1 = 0;
               b2 = wwframeok(w, r, c);

               for (; r < w->ww_w.b; r++) {
                       a3 = w->ww_index == wwsmap[r + 1][c + 1];
                       b3 = wwframeok(w, r + 1, c);
                       if (b2) {
                               code = 0;
                               if ((a1 || a2) && b1)
                                       code |= WWF_U;
                               if ((a2 || a3) && b3)
                                       code |= WWF_D;
                               if (code)
                                       wwframec(r, c, wframe, code);
                       }
                       a1 = a2;
                       a2 = a3;
                       b1 = b2;
                       b2 = b3;
               }
               if ((a1 || a2) && b1 && b2)
                       wwframec(r, c, wframe, WWF_U);
       }

       if (w->ww_w.r < wwncol) {
               r = w->ww_w.t - 1;
               c = w->ww_w.r;
               a1 = 0;
               a2 = 0;
               b1 = 0;
               b2 = wwframeok(w, r, c);

               for (; r < w->ww_w.b; r++) {
                       a3 = w->ww_index == wwsmap[r + 1][c - 1];
                       b3 = wwframeok(w, r + 1, c);
                       if (b2) {
                               code = 0;
                               if ((a1 || a2) && b1)
                                       code |= WWF_U;
                               if ((a2 || a3) && b3)
                                       code |= WWF_D;
                               if (code)
                                       wwframec(r, c, wframe, code);
                       }
                       a1 = a2;
                       a2 = a3;
                       b1 = b2;
                       b2 = b3;
               }
               if ((a1 || a2) && b1 && b2)
                       wwframec(r, c, wframe, WWF_U);
       }
}

wwframeok(w, r, c)
struct ww *w;
register r, c;
{
       register struct ww *w1;

       if (r < 0 || r >= wwnrow || c < 0 || c >= wwncol)
               return 1;
       w1 = wwindex[wwsmap[r][c]];
       return !w1->ww_hasframe || w1->ww_order > w->ww_order;
}

wwframec(rr, cc, f, code)
register struct ww *f;
register rr, cc;
int code;
{
       register r, c;

       if (rr < 0 || rr >= wwnrow || cc < 0 || cc >= wwncol)
               return;
       {
               register struct ww *w;
               w = wwindex[wwsmap[rr][cc]];
               if (w->ww_order > f->ww_order) {
                       if (w != &wwnobody) {
                               r = rr - w->ww_w.t;
                               c = cc - w->ww_w.l;
                               if ((w->ww_win[r][c] |= WWM_COV) == WWM_COV)
                                       w->ww_nvis[r]--;
                               w->ww_cov[r][c] = f->ww_index;
                       }
                       wwsmap[rr][cc] = f->ww_index;
               }
       }
       {
               register char *fmap;
               fmap = &wwfmap[rr][cc];
               *fmap |= code;
               if (code & WWF_TOP)
                       *fmap &= ~WWF_LABEL;
               code = *(unsigned char *)fmap;
       }
       r = rr - f->ww_w.t;
       c = cc - f->ww_w.l;
       if (f->ww_win[r][c] == WWM_GLS)
               f->ww_nvis[r]++;
       f->ww_win[r][c] &= ~WWM_GLS;
       if ((code & WWF_LABEL) == 0) {
               register tmp;

               tmp = tt.tt_frame[code & WWF_MASK] & WWC_CMASK;
               f->ww_buf[f->ww_scroll + r][c].c_w = tmp;
               if (wwsmap[rr][cc] == f->ww_index) {
                       wwtouched[rr] = 1;
                       wwns[rr][cc].c_w = tmp;
               }
       }
}

/*
wwckns()
{
       register i, j;

       for (i = 0; i < wwnrow; i++)
               for (j = 0; j < wwncol; j++)
                       if ((wwns[i][j].c_c & 0x7f) < ' ')
                               abort();
}
*/