projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 0d032a5f | 1 | #ifndef lint |
| f2a77fe1 | 2 | static char *sccsid = "@(#)wwmove.c 3.2 83/09/15"; |
| 0d032a5f EW |
3 | #endif |
| 4 | ||
| 5 | #include "ww.h" | |
| 6 | ||
| 7 | /* | |
| 8 | * Move a window. Should be unattached. | |
| 9 | */ | |
| 10 | wwmove(w, row, col) | |
| 11 | register struct ww *w; | |
| 12 | { | |
| f2a77fe1 EW |
13 | register dr, dc; |
| 14 | register i; | |
| 15 | ||
| 0d032a5f EW |
16 | if (w->ww_forw != 0 || w->ww_back != 0) |
| 17 | return; /* sanity */ | |
| 18 | ||
| f2a77fe1 EW |
19 | dr = row - w->ww_w.t; |
| 20 | dc = col - w->ww_w.l; | |
| 21 | ||
| 22 | w->ww_w.t += dr; | |
| 23 | w->ww_w.b += dr; | |
| 24 | w->ww_w.l += dc; | |
| 25 | w->ww_w.r += dc; | |
| 26 | ||
| 27 | w->ww_b.t += dr; | |
| 28 | w->ww_b.b += dr; | |
| 29 | w->ww_b.l += dc; | |
| 30 | w->ww_b.r += dc; | |
| 0d032a5f EW |
31 | |
| 32 | w->ww_i.t = MAX(w->ww_w.t, 0); | |
| 33 | w->ww_i.b = MIN(w->ww_w.b, wwnrow); | |
| 34 | w->ww_i.nr = w->ww_i.b - w->ww_i.t; | |
| 35 | w->ww_i.l = MAX(w->ww_w.l, 0); | |
| 36 | w->ww_i.r = MIN(w->ww_w.r, wwncol); | |
| 37 | w->ww_i.nc = w->ww_i.r - w->ww_i.l; | |
| f2a77fe1 EW |
38 | |
| 39 | w->ww_cur.r += dr; | |
| 40 | w->ww_cur.c += dc; | |
| 41 | ||
| 42 | w->ww_win -= dr; | |
| 43 | for (i = w->ww_w.t; i < w->ww_w.b; i++) | |
| 44 | w->ww_win[i] -= dc; | |
| 45 | w->ww_cov -= dr; | |
| 46 | for (i = w->ww_w.t; i < w->ww_w.b; i++) | |
| 47 | w->ww_cov[i] -= dc; | |
| 48 | if (w->ww_fmap != 0) { | |
| 49 | w->ww_fmap -= dr; | |
| 50 | for (i = w->ww_w.t; i < w->ww_w.b; i++) | |
| 51 | w->ww_fmap[i] -= dc; | |
| 52 | } | |
| 53 | w->ww_nvis -= dr; | |
| 54 | w->ww_buf -= dr; | |
| 55 | for (i = w->ww_b.t; i < w->ww_b.b; i++) | |
| 56 | w->ww_buf[i] -= dc; | |
| 0d032a5f | 57 | } |