diff options
Diffstat (limited to 'usr.bin/window/wwinschar.c')
| -rw-r--r-- | usr.bin/window/wwinschar.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/usr.bin/window/wwinschar.c b/usr.bin/window/wwinschar.c deleted file mode 100644 index d055fcd..0000000 --- a/usr.bin/window/wwinschar.c +++ /dev/null @@ -1,130 +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[] = "@(#)wwinschar.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include "ww.h" -#include "tt.h" - -wwinschar(w, row, col, c, m) -register struct ww *w; -char c, m; -{ - register i; - int nvis; - short x = c | m << WWC_MSHIFT; - - /* - * First, shift the line. - */ - { - register union ww_char *p, *q; - - p = &w->ww_buf[row][w->ww_b.r]; - q = p - 1; - for (i = w->ww_b.r - col; --i > 0;) - *--p = *--q; - q->c_w = x; - } - - /* - * If can't see it, just return. - */ - if (row < w->ww_i.t || row >= w->ww_i.b - || w->ww_i.r <= 0 || w->ww_i.r <= col) - return; - - if (col < w->ww_i.l) - col = w->ww_i.l; - - /* - * Now find out how much is actually changed, and fix wwns. - */ - { - register union ww_char *buf; - register char *win; - register union ww_char *ns; - register char *smap; - char touched; - - nvis = 0; - smap = &wwsmap[row][col]; - for (i = col; i < w->ww_i.r && *smap++ != w->ww_index; i++) - ; - if (i >= w->ww_i.r) - return; - col = i; - buf = w->ww_buf[row]; - win = w->ww_win[row]; - ns = wwns[row]; - smap = &wwsmap[row][i]; - touched = wwtouched[row]; - for (; i < w->ww_i.r; i++) { - if (*smap++ != w->ww_index) - continue; - touched |= WWU_TOUCHED; - if (win[i]) - ns[i].c_w = - buf[i].c_w ^ win[i] << WWC_MSHIFT; - else { - nvis++; - ns[i] = buf[i]; - } - } - wwtouched[row] = touched; - } - - /* - * Can/Should we use delete character? - */ - if ((tt.tt_inschar || tt.tt_insspace) && nvis > (wwncol - col) / 2) { - register union ww_char *p, *q; - - if (tt.tt_inschar) - xxinschar(row, col, c, m); - else { - xxinsspace(row, col); - x = ' '; - } - p = &wwos[row][wwncol]; - q = p - 1; - for (i = wwncol - col; --i > 0;) - *--p = *--q; - q->c_w = x; - } -} |
