[apple/shell_cmds.git] / window / cmd7.c

/*	$NetBSD: cmd7.c,v 1.4 1997/11/21 08:35:54 lukem Exp $	*/

/*
 * 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.
 */

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)cmd7.c	8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: cmd7.c,v 1.4 1997/11/21 08:35:54 lukem Exp $");
#endif
#endif /* not lint */

#include <stdlib.h>
#include <unistd.h>
#include "defs.h"
#include "window_string.h"

void	unyank __P((void));
void	yank_highlight __P((int, int, int, int));
void	yank_highlight_line __P((int, int, int));
void	yank_line __P((int, int, int));

/*
 * Window size.
 */
void
c_size(w)
	struct ww *w;
{
	int col, row;

	if (!terse)
		wwputs("New window size (lower right corner): ", cmdwin);
	col = MIN(w->ww_w.r, wwncol) - 1;
	row = MIN(w->ww_w.b, wwnrow) - 1;
	wwadd(boxwin, framewin->ww_back);
	for (;;) {
		wwbox(boxwin, w->ww_w.t - 1, w->ww_w.l - 1,
			row - w->ww_w.t + 3, col - w->ww_w.l + 3);
		wwsetcursor(row, col);
		while (wwpeekc() < 0)
			wwiomux();
		switch (getpos(&row, &col, w->ww_w.t, w->ww_w.l,
			wwnrow - 1, wwncol - 1)) {
		case 3:
			wwunbox(boxwin);
			wwdelete(boxwin);
			return;
		case 2:
			wwunbox(boxwin);
			break;
		case 1:
			wwunbox(boxwin);
		case 0:
			continue;
		}
		break;
	}
	wwdelete(boxwin);
	if (!terse)
		wwputc('\n', cmdwin);
	wwcurtowin(cmdwin);
	sizewin(w, row - w->ww_w.t + 1, col - w->ww_w.l + 1);
}

/*
 * Yank and put
 */

struct yb {
	char *line;
	int length;
	struct yb *link;
};
struct yb *yb_head, *yb_tail;

void
c_yank()
{
	struct ww *w = selwin;
	int col1, row1;
	int col2, row2;
	int r, c;

	if (!terse)
		wwputs("Yank starting position: ", cmdwin);
	wwcursor(w, 0);
	row1 = w->ww_cur.r;
	col1 = w->ww_cur.c;
	for (;;) {
		wwsetcursor(row1, col1);
		while (wwpeekc() < 0)
			wwiomux();
		switch (getpos(&row1, &col1, w->ww_i.t, w->ww_i.l,
			       w->ww_i.b - 1, w->ww_i.r - 1)) {
		case 3:
			goto out;
		case 2:
			break;
		case 1:
		case 0:
			continue;
		}
		break;
	}
	if (!terse)
		wwputs("\nYank ending position: ", cmdwin);
	row2 = row1;
	col2 = col1;
	for (;;) {
		wwsetcursor(row2, col2);
		while (wwpeekc() < 0)
			wwiomux();
		r = row2;
		c = col2;
		switch (getpos(&row2, &col2, w->ww_i.t, w->ww_i.l,
			       w->ww_i.b - 1, w->ww_i.r - 1)) {
		case 3:
			yank_highlight(row1, col1, r, c);
			goto out;
		case 2:
			break;
		case 1:
			yank_highlight(row1, col1, r, c);
			yank_highlight(row1, col1, row2, col2);
		case 0:
			continue;
		}
		break;
	}
	if (row2 < row1 || (row2 == row1 && col2 < col1)) {
		r = row1;
		c = col1;
		row1 = row2;
		col1 = col2;
		row2 = r;
		col2 = c;
	}
	unyank();
	c = col1;
	for (r = row1; r < row2; r++) {
		yank_line(r, c, w->ww_b.r);
		c = w->ww_b.l;
	}
	yank_line(r, c, col2);
	yank_highlight(row1, col1, row2, col2);
	if (!terse)
		wwputc('\n', cmdwin);
out:
	wwcursor(w, 1);
}

void
yank_highlight(row1, col1, row2, col2)
	int row1, col1, row2, col2;
{
	struct ww *w = selwin;
	int r, c;

	if ((wwavailmodes & WWM_REV) == 0)
		return;
	if (row2 < row1 || (row2 == row1 && col2 < col1)) {
		r = row1;
		c = col1;
		row1 = row2;
		col1 = col2;
		row2 = r;
		col2 = c;
	}
	c = col1;
	for (r = row1; r < row2; r++) {
		yank_highlight_line(r, c, w->ww_b.r);
		c = w->ww_b.l;
	}
	yank_highlight_line(r, c, col2);
}

void
yank_highlight_line(r, c, cend)
	int r, c, cend;
{
	struct ww *w = selwin;
	char *win;

	if (r < w->ww_i.t || r >= w->ww_i.b)
		return;
	if (c < w->ww_i.l)
		c = w->ww_i.l;
	if (cend >= w->ww_i.r)
		cend = w->ww_i.r;
	for (win = w->ww_win[r] + c; c < cend; c++, win++) {
		*win ^= WWM_REV;
		if (wwsmap[r][c] == w->ww_index) {
			if (*win == 0)
				w->ww_nvis[r]++;
			else if (*win == WWM_REV)
				w->ww_nvis[r]--;
			wwns[r][c].c_m ^= WWM_REV;
			wwtouched[r] |= WWU_TOUCHED;
		}
	}
}

void
unyank()
{
	struct yb *yp, *yq;

	for (yp = yb_head; yp; yp = yq) {
		yq = yp->link;
		str_free(yp->line);
		free((char *) yp);
	}
	yb_head = yb_tail = 0;
}

void
yank_line(r, c, cend)
	int r, c, cend;
{
	struct yb *yp;
	int nl = 0;
	int n;
	union ww_char *bp;
	char *cp;

	if (c == cend)
		return;
	if ((yp = (struct yb *) malloc(sizeof *yp)) == 0)
		return;
	yp->link = 0;
	nl = cend == selwin->ww_b.r;
	bp = selwin->ww_buf[r];
	for (cend--; cend >= c; cend--)
		if (bp[cend].c_c != ' ')
			break;
	yp->length = n = cend - c + 1;
	if (nl)
		yp->length++;
	yp->line = str_alloc(yp->length + 1);
	for (bp += c, cp = yp->line; --n >= 0;)
		*cp++ = bp++->c_c;
	if (nl)
		*cp++ = '\n';
	*cp = 0;
	if (yb_head)
		yb_tail = yb_tail->link = yp;
	else
		yb_head = yb_tail = yp;
}

void
c_put()
{
	struct yb *yp;

	for (yp = yb_head; yp; yp = yp->link)
		(void) write(selwin->ww_pty, yp->line, yp->length);
}
Commit	Line	Data
44bd5ea7 A	1	/* $NetBSD: cmd7.c,v 1.4 1997/11/21 08:35:54 lukem Exp $ */
	2
	3	/*
	4	* Copyright (c) 1983, 1993
	5	* The Regents of the University of California. All rights reserved.
	6	*
	7	* This code is derived from software contributed to Berkeley by
	8	* Edward Wang at The University of California, Berkeley.
	9	*
	10	* Redistribution and use in source and binary forms, with or without
	11	* modification, are permitted provided that the following conditions
	12	* are met:
	13	* 1. Redistributions of source code must retain the above copyright
	14	* notice, this list of conditions and the following disclaimer.
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in the
	17	* documentation and/or other materials provided with the distribution.
	18	* 3. All advertising materials mentioning features or use of this software
	19	* must display the following acknowledgement:
	20	* This product includes software developed by the University of
	21	* California, Berkeley and its contributors.
	22	* 4. Neither the name of the University nor the names of its contributors
	23	* may be used to endorse or promote products derived from this software
	24	* without specific prior written permission.
	25	*
	26	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	27	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	28	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	29	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	30	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	31	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	32	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	33	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	34	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	35	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	36	* SUCH DAMAGE.
	37	*/
	38
	39	#include <sys/cdefs.h>
	40	#ifndef lint
	41	#if 0
	42	static char sccsid[] = "@(#)cmd7.c 8.1 (Berkeley) 6/6/93";
	43	#else
	44	__RCSID("$NetBSD: cmd7.c,v 1.4 1997/11/21 08:35:54 lukem Exp $");
	45	#endif
	46	#endif /* not lint */
	47
	48	#include <stdlib.h>
	49	#include <unistd.h>
	50	#include "defs.h"
	51	#include "window_string.h"
	52
	53	void unyank __P((void));
	54	void yank_highlight __P((int, int, int, int));
	55	void yank_highlight_line __P((int, int, int));
	56	void yank_line __P((int, int, int));
	57
	58	/*
	59	* Window size.
	60	*/
	61	void
	62	c_size(w)
	63	struct ww *w;
	64	{
65	int col, row;
66
67	if (!terse)
68	wwputs("New window size (lower right corner): ", cmdwin);
69	col = MIN(w->ww_w.r, wwncol) - 1;
70	row = MIN(w->ww_w.b, wwnrow) - 1;
71	wwadd(boxwin, framewin->ww_back);
72	for (;;) {
73	wwbox(boxwin, w->ww_w.t - 1, w->ww_w.l - 1,
74	row - w->ww_w.t + 3, col - w->ww_w.l + 3);
75	wwsetcursor(row, col);
76	while (wwpeekc() < 0)
77	wwiomux();
78	switch (getpos(&row, &col, w->ww_w.t, w->ww_w.l,
79	wwnrow - 1, wwncol - 1)) {
80	case 3:
81	wwunbox(boxwin);
82	wwdelete(boxwin);
83	return;
84	case 2:
85	wwunbox(boxwin);
86	break;
87	case 1:
88	wwunbox(boxwin);
89	case 0:
90	continue;
91	}
92	break;
93	}
94	wwdelete(boxwin);
95	if (!terse)
96	wwputc('\n', cmdwin);
97	wwcurtowin(cmdwin);
98	sizewin(w, row - w->ww_w.t + 1, col - w->ww_w.l + 1);
99	}
100
101	/*
102	* Yank and put
103	*/
104
105	struct yb {
106	char *line;
107	int length;
108	struct yb *link;
109	};
110	struct yb yb_head, yb_tail;
111
112	void
113	c_yank()
114	{
115	struct ww *w = selwin;
116	int col1, row1;
117	int col2, row2;
118	int r, c;
119
120	if (!terse)
121	wwputs("Yank starting position: ", cmdwin);
122	wwcursor(w, 0);
123	row1 = w->ww_cur.r;
124	col1 = w->ww_cur.c;
125	for (;;) {
126	wwsetcursor(row1, col1);
127	while (wwpeekc() < 0)
128	wwiomux();
129	switch (getpos(&row1, &col1, w->ww_i.t, w->ww_i.l,
130	w->ww_i.b - 1, w->ww_i.r - 1)) {
131	case 3:
132	goto out;
133	case 2:
134	break;
135	case 1:
136	case 0:
137	continue;
138	}
139	break;
140	}
141	if (!terse)
142	wwputs("\nYank ending position: ", cmdwin);
143	row2 = row1;
144	col2 = col1;
145	for (;;) {
146	wwsetcursor(row2, col2);
147	while (wwpeekc() < 0)
148	wwiomux();
149	r = row2;
150	c = col2;
151	switch (getpos(&row2, &col2, w->ww_i.t, w->ww_i.l,
152	w->ww_i.b - 1, w->ww_i.r - 1)) {
153	case 3:
154	yank_highlight(row1, col1, r, c);
155	goto out;
156	case 2:
157	break;
158	case 1:
159	yank_highlight(row1, col1, r, c);
160	yank_highlight(row1, col1, row2, col2);
161	case 0:
162	continue;
163	}
164	break;
165	}
166	if (row2 < row1 \|\| (row2 == row1 && col2 < col1)) {
167	r = row1;
168	c = col1;
169	row1 = row2;
170	col1 = col2;
171	row2 = r;
172	col2 = c;
173	}
174	unyank();
175	c = col1;
176	for (r = row1; r < row2; r++) {
177	yank_line(r, c, w->ww_b.r);
178	c = w->ww_b.l;
179	}
180	yank_line(r, c, col2);
181	yank_highlight(row1, col1, row2, col2);
182	if (!terse)
183	wwputc('\n', cmdwin);
184	out:
185	wwcursor(w, 1);
186	}
187
188	void
189	yank_highlight(row1, col1, row2, col2)
190	int row1, col1, row2, col2;
191	{
192	struct ww *w = selwin;
193	int r, c;
194
195	if ((wwavailmodes & WWM_REV) == 0)
196	return;
197	if (row2 < row1 \|\| (row2 == row1 && col2 < col1)) {
198	r = row1;
199	c = col1;
200	row1 = row2;
201	col1 = col2;
202	row2 = r;
203	col2 = c;
204	}
205	c = col1;
206	for (r = row1; r < row2; r++) {
207	yank_highlight_line(r, c, w->ww_b.r);
208	c = w->ww_b.l;
209	}
210	yank_highlight_line(r, c, col2);
211	}
212
213	void
214	yank_highlight_line(r, c, cend)
215	int r, c, cend;
216	{
217	struct ww *w = selwin;
218	char *win;
219
220	if (r < w->ww_i.t \|\| r >= w->ww_i.b)
221	return;
222	if (c < w->ww_i.l)
223	c = w->ww_i.l;
224	if (cend >= w->ww_i.r)
225	cend = w->ww_i.r;
226	for (win = w->ww_win[r] + c; c < cend; c++, win++) {
227	*win ^= WWM_REV;
228	if (wwsmap[r][c] == w->ww_index) {
229	if (*win == 0)
230	w->ww_nvis[r]++;
231	else if (*win == WWM_REV)
232	w->ww_nvis[r]--;
233	wwns[r][c].c_m ^= WWM_REV;
234	wwtouched[r] \|= WWU_TOUCHED;
235	}
236	}
237	}
238
239	void
240	unyank()
241	{
242	struct yb yp, yq;
243
244	for (yp = yb_head; yp; yp = yq) {
245	yq = yp->link;
246	str_free(yp->line);
247	free((char *) yp);
248	}
249	yb_head = yb_tail = 0;
250	}
251
252	void
253	yank_line(r, c, cend)
254	int r, c, cend;
255	{
256	struct yb *yp;
257	int nl = 0;
258	int n;
259	union ww_char *bp;
260	char *cp;
261
262	if (c == cend)
263	return;
264	if ((yp = (struct yb ) malloc(sizeof yp)) == 0)
265	return;
266	yp->link = 0;
267	nl = cend == selwin->ww_b.r;
268	bp = selwin->ww_buf[r];
269	for (cend--; cend >= c; cend--)
270	if (bp[cend].c_c != ' ')
271	break;
272	yp->length = n = cend - c + 1;
273	if (nl)
274	yp->length++;
275	yp->line = str_alloc(yp->length + 1);
276	for (bp += c, cp = yp->line; --n >= 0;)
277	*cp++ = bp++->c_c;
278	if (nl)
279	*cp++ = '\n';
280	*cp = 0;
281	if (yb_head)
282	yb_tail = yb_tail->link = yp;
283	else
284	yb_head = yb_tail = yp;
285	}
286
287	void
288	c_put()
289	{
290	struct yb *yp;
291
292	for (yp = yb_head; yp; yp = yp->link)
293	(void) write(selwin->ww_pty, yp->line, yp->length);
294	}