diff options
Diffstat (limited to 'usr.bin/window/wwdelete.c')
| -rw-r--r-- | usr.bin/window/wwdelete.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/usr.bin/window/wwdelete.c b/usr.bin/window/wwdelete.c deleted file mode 100644 index f659736..0000000 --- a/usr.bin/window/wwdelete.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright (c) 1983, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Edward Wang at The University of California, Berkeley. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char sccsid[] = "@(#)wwdelete.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include "ww.h" - -/* - * Pull w free from the cover list. - */ -wwdelete(w) -register struct ww *w; -{ - register i; - - for (i = w->ww_i.t; i < w->ww_i.b; i++) { - register j; - register char *smap = wwsmap[i]; - register union ww_char *ns = wwns[i]; - register int nchanged = 0; - - for (j = w->ww_i.l; j < w->ww_i.r; j++) - if (smap[j] == w->ww_index) { - smap[j] = WWX_NOBODY; - ns[j].c_w = ' '; - nchanged++; - } - if (nchanged > 0) - wwtouched[i] |= WWU_TOUCHED; - } - - { - register struct ww *wp; - - for (wp = w->ww_forw; wp != &wwhead; wp = wp->ww_forw) - wp->ww_order--; - } - - if (w->ww_forw != &wwhead) - wwdelete1(w->ww_forw, - w->ww_i.t, w->ww_i.b, w->ww_i.l, w->ww_i.r); - - w->ww_back->ww_forw = w->ww_forw; - w->ww_forw->ww_back = w->ww_back; - w->ww_forw = w->ww_back = 0; -} - -wwdelete1(w, t, b, l, r) -register struct ww *w; -{ - int i; - int tt, bb, ll, rr; - char hasglass; - -again: - hasglass = 0; - tt = MAX(t, w->ww_i.t); - bb = MIN(b, w->ww_i.b); - ll = MAX(l, w->ww_i.l); - rr = MIN(r, w->ww_i.r); - if (tt >= bb || ll >= rr) { - if ((w = w->ww_forw) == &wwhead) - return; - goto again; - } - for (i = tt; i < bb; i++) { - register j; - register char *smap = wwsmap[i]; - register union ww_char *ns = wwns[i]; - register char *win = w->ww_win[i]; - register union ww_char *buf = w->ww_buf[i]; - int nvis = w->ww_nvis[i]; - int nchanged = 0; - - for (j = ll; j < rr; j++) { - if (smap[j] != WWX_NOBODY) - continue; - if (win[j] & WWM_GLS) { - hasglass = 1; - continue; - } - smap[j] = w->ww_index; - ns[j].c_w = buf[j].c_w ^ win[j] << WWC_MSHIFT; - nchanged++; - if (win[j] == 0) - nvis++; - } - if (nchanged > 0) - wwtouched[i] |= WWU_TOUCHED; - w->ww_nvis[i] = nvis; - } - if ((w = w->ww_forw) == &wwhead) - return; - if (hasglass) - goto again; - if (tt > t) - wwdelete1(w, t, tt, l, r); - if (bb < b) - wwdelete1(w, bb, b, l, r); - if (ll > l) - wwdelete1(w, tt, bb, l, ll); - if (rr < r) - wwdelete1(w, tt, bb, rr, r); -} |
