274 lines
6.0 KiB
C
274 lines
6.0 KiB
C
/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Edward Wang at The University of California, Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)cmd7.c 8.1 (Berkeley) 6/6/93";
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static char rcsid[] = "@(#)$FreeBSD$";
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#endif /* not lint */
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#include <stdlib.h>
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#include "defs.h"
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#include "mystring.h"
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/*
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* Window size.
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*/
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c_size(w)
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register struct ww *w;
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{
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int col, row;
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if (!terse)
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wwputs("New window size (lower right corner): ", cmdwin);
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col = MIN(w->ww_w.r, wwncol) - 1;
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row = MIN(w->ww_w.b, wwnrow) - 1;
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wwadd(boxwin, framewin->ww_back);
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for (;;) {
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wwbox(boxwin, w->ww_w.t - 1, w->ww_w.l - 1,
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row - w->ww_w.t + 3, col - w->ww_w.l + 3);
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wwsetcursor(row, col);
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while (wwpeekc() < 0)
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wwiomux();
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switch (getpos(&row, &col, w->ww_w.t, w->ww_w.l,
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wwnrow - 1, wwncol - 1)) {
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case 3:
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wwunbox(boxwin);
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wwdelete(boxwin);
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return;
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case 2:
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wwunbox(boxwin);
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break;
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case 1:
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wwunbox(boxwin);
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case 0:
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continue;
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}
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break;
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}
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wwdelete(boxwin);
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if (!terse)
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wwputc('\n', cmdwin);
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wwcurtowin(cmdwin);
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sizewin(w, row - w->ww_w.t + 1, col - w->ww_w.l + 1);
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}
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/*
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* Yank and put
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*/
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struct yb {
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char *line;
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int length;
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struct yb *link;
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};
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struct yb *yb_head, *yb_tail;
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c_yank()
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{
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struct ww *w = selwin;
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int col1, row1;
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int col2, row2;
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int r, c;
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if (!terse)
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wwputs("Yank starting position: ", cmdwin);
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wwcursor(w, 0);
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row1 = w->ww_cur.r;
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col1 = w->ww_cur.c;
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for (;;) {
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wwsetcursor(row1, col1);
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while (wwpeekc() < 0)
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wwiomux();
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switch (getpos(&row1, &col1, w->ww_i.t, w->ww_i.l,
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w->ww_i.b - 1, w->ww_i.r - 1)) {
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case 3:
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goto out;
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case 2:
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break;
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case 1:
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case 0:
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continue;
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}
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break;
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}
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if (!terse)
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wwputs("\nYank ending position: ", cmdwin);
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row2 = row1;
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col2 = col1;
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for (;;) {
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wwsetcursor(row2, col2);
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while (wwpeekc() < 0)
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wwiomux();
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r = row2;
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c = col2;
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switch (getpos(&row2, &col2, w->ww_i.t, w->ww_i.l,
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w->ww_i.b - 1, w->ww_i.r - 1)) {
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case 3:
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yank_highlight(row1, col1, r, c);
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goto out;
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case 2:
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break;
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case 1:
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yank_highlight(row1, col1, r, c);
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yank_highlight(row1, col1, row2, col2);
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case 0:
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continue;
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}
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break;
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}
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if (row2 < row1 || row2 == row1 && col2 < col1) {
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r = row1;
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c = col1;
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row1 = row2;
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col1 = col2;
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row2 = r;
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col2 = c;
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}
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unyank();
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c = col1;
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for (r = row1; r < row2; r++) {
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yank_line(r, c, w->ww_b.r);
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c = w->ww_b.l;
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}
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yank_line(r, c, col2);
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yank_highlight(row1, col1, row2, col2);
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if (!terse)
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wwputc('\n', cmdwin);
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out:
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wwcursor(w, 1);
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}
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yank_highlight(row1, col1, row2, col2)
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{
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struct ww *w = selwin;
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int r, c;
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if ((wwavailmodes & WWM_REV) == 0)
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return;
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if (row2 < row1 || row2 == row1 && col2 < col1) {
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r = row1;
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c = col1;
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row1 = row2;
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col1 = col2;
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row2 = r;
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col2 = c;
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}
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c = col1;
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for (r = row1; r < row2; r++) {
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yank_highlight_line(r, c, w->ww_b.r);
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c = w->ww_b.l;
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}
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yank_highlight_line(r, c, col2);
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}
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yank_highlight_line(r, c, cend)
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{
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struct ww *w = selwin;
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char *win;
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if (r < w->ww_i.t || r >= w->ww_i.b)
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return;
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if (c < w->ww_i.l)
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c = w->ww_i.l;
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if (cend >= w->ww_i.r)
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cend = w->ww_i.r;
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for (win = w->ww_win[r] + c; c < cend; c++, win++) {
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*win ^= WWM_REV;
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if (wwsmap[r][c] == w->ww_index) {
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if (*win == 0)
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w->ww_nvis[r]++;
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else if (*win == WWM_REV)
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w->ww_nvis[r]--;
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wwns[r][c].c_m ^= WWM_REV;
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wwtouched[r] |= WWU_TOUCHED;
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}
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}
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}
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unyank()
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{
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struct yb *yp, *yq;
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for (yp = yb_head; yp; yp = yq) {
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yq = yp->link;
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str_free(yp->line);
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free((char *) yp);
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}
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yb_head = yb_tail = 0;
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}
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yank_line(r, c, cend)
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{
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struct yb *yp;
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int nl = 0;
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int n;
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union ww_char *bp;
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char *cp;
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if (c == cend)
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return;
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if ((yp = (struct yb *) malloc(sizeof *yp)) == 0)
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return;
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yp->link = 0;
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nl = cend == selwin->ww_b.r;
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bp = selwin->ww_buf[r];
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for (cend--; cend >= c; cend--)
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if (bp[cend].c_c != ' ')
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break;
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yp->length = n = cend - c + 1;
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if (nl)
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yp->length++;
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yp->line = str_alloc(yp->length + 1);
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for (bp += c, cp = yp->line; --n >= 0;)
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*cp++ = bp++->c_c;
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if (nl)
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*cp++ = '\n';
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*cp = 0;
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if (yb_head)
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yb_tail = yb_tail->link = yp;
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else
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yb_head = yb_tail = yp;
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}
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c_put()
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{
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struct yb *yp;
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for (yp = yb_head; yp; yp = yp->link)
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(void) write(selwin->ww_pty, yp->line, yp->length);
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}
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