118742Sedward /* 2*33514Sbostic * Copyright (c) 1983 Regents of the University of California. 3*33514Sbostic * All rights reserved. 4*33514Sbostic * 5*33514Sbostic * Redistribution and use in source and binary forms are permitted 6*33514Sbostic * provided that this notice is preserved and that due credit is given 7*33514Sbostic * to the University of California at Berkeley. The name of the University 8*33514Sbostic * may not be used to endorse or promote products derived from this 9*33514Sbostic * software without specific prior written permission. This software 10*33514Sbostic * is provided ``as is'' without express or implied warranty. 1118742Sedward */ 1218742Sedward 13*33514Sbostic #ifndef lint 14*33514Sbostic static char sccsid[] = "@(#)wwmove.c 3.8 (Berkeley) 02/21/88"; 15*33514Sbostic #endif /* not lint */ 16*33514Sbostic 1714980Sedward #include "ww.h" 1814980Sedward 1914980Sedward /* 2014980Sedward * Move a window. Should be unattached. 2114980Sedward */ 2214980Sedward wwmove(w, row, col) 2314980Sedward register struct ww *w; 2414980Sedward { 2514989Sedward register dr, dc; 2614989Sedward register i; 2714989Sedward 2814989Sedward dr = row - w->ww_w.t; 2914989Sedward dc = col - w->ww_w.l; 3014980Sedward 3114989Sedward w->ww_w.t += dr; 3214989Sedward w->ww_w.b += dr; 3314989Sedward w->ww_w.l += dc; 3414989Sedward w->ww_w.r += dc; 3514989Sedward 3614989Sedward w->ww_b.t += dr; 3714989Sedward w->ww_b.b += dr; 3814989Sedward w->ww_b.l += dc; 3914989Sedward w->ww_b.r += dc; 4014989Sedward 4114980Sedward w->ww_i.t = MAX(w->ww_w.t, 0); 4214980Sedward w->ww_i.b = MIN(w->ww_w.b, wwnrow); 4314980Sedward w->ww_i.nr = w->ww_i.b - w->ww_i.t; 4414980Sedward w->ww_i.l = MAX(w->ww_w.l, 0); 4514980Sedward w->ww_i.r = MIN(w->ww_w.r, wwncol); 4614980Sedward w->ww_i.nc = w->ww_i.r - w->ww_i.l; 4714989Sedward 4814989Sedward w->ww_cur.r += dr; 4914989Sedward w->ww_cur.c += dc; 5014989Sedward 5114989Sedward w->ww_win -= dr; 5214989Sedward for (i = w->ww_w.t; i < w->ww_w.b; i++) 5314989Sedward w->ww_win[i] -= dc; 5414989Sedward if (w->ww_fmap != 0) { 5514989Sedward w->ww_fmap -= dr; 5614989Sedward for (i = w->ww_w.t; i < w->ww_w.b; i++) 5714989Sedward w->ww_fmap[i] -= dc; 5814989Sedward } 5914989Sedward w->ww_nvis -= dr; 6015002Sedward for (i = w->ww_i.t; i < w->ww_i.b; i++) { 6115002Sedward register j = w->ww_i.l; 6215002Sedward register char *win = &w->ww_win[i][j]; 6315592Sedward register char *smap = &wwsmap[i][j]; 6415002Sedward int nvis = 0; 6515002Sedward 6615592Sedward for (; j < w->ww_i.r; j++, win++, smap++) 6715592Sedward if (*win == 0 && *smap == w->ww_index) 6815002Sedward nvis++; 6915002Sedward w->ww_nvis[i] = nvis; 7015002Sedward } 7114989Sedward w->ww_buf -= dr; 7214989Sedward for (i = w->ww_b.t; i < w->ww_b.b; i++) 7314989Sedward w->ww_buf[i] -= dc; 7414980Sedward } 75