diff options
Diffstat (limited to 'usr.bin/window/wwlabel.c')
-rw-r--r-- | usr.bin/window/wwlabel.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/usr.bin/window/wwlabel.c b/usr.bin/window/wwlabel.c new file mode 100644 index 0000000..d78e1f2 --- /dev/null +++ b/usr.bin/window/wwlabel.c @@ -0,0 +1,96 @@ +/* + * 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[] = "@(#)wwlabel.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ + +#include "ww.h" +#include "char.h" + +/* + * Label window w on f, + * at 1 line above w and 'where' columns from it's left edge. + * Gross, but it works. + */ +wwlabel(w, f, where, l, mode) +struct ww *w; +struct ww *f; +char *l; +{ + int row; + register j; + int jj; + register char *win; + register union ww_char *buf; + register union ww_char *ns; + register char *fmap; + register char *smap; + char touched; + char *p; + + if (f->ww_fmap == 0) + return; + + row = w->ww_w.t - 1; + if (row < f->ww_i.t || row >= f->ww_i.b) + return; + win = f->ww_win[row]; + buf = f->ww_buf[row]; + fmap = f->ww_fmap[row]; + ns = wwns[row]; + smap = wwsmap[row]; + touched = wwtouched[row]; + mode <<= WWC_MSHIFT; + + jj = MIN(w->ww_i.r, f->ww_i.r); + j = w->ww_i.l + where; + while (j < jj && *l) + for (p = unctrl(*l++); j < jj && *p; j++, p++) { + /* can't label if not already framed */ + if (win[j] & WWM_GLS) + continue; + if (smap[j] != f->ww_index) + buf[j].c_w = mode | *p; + else { + ns[j].c_w = (buf[j].c_w = mode | *p) + ^ win[j] << WWC_MSHIFT; + touched |= WWU_TOUCHED; + } + fmap[j] |= WWF_LABEL; + } + wwtouched[row] = touched; +} |