[dragonfly.git] / usr.bin / window / cmd7.c

/*	@(#)cmd7.c	8.1 (Berkeley) 6/6/93	*/
/*	$NetBSD: cmd7.c,v 1.8 2006/05/02 22:30:25 christos 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. 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 <stdlib.h>
#include <unistd.h>
#include "defs.h"
#include "window_string.h"

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

/*
 * Window size.
 */
void
c_size(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(void)
{
	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(int row1, int col1, int row2, int 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(int r, int c, int 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(void)
{
	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(int r, int c, int 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++;
	if ((yp->line = str_alloc(yp->length + 1)) == NULL) {
		free(yp);
		return;
	}
	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(void)
{
	struct yb *yp;

	for (yp = yb_head; yp; yp = yp->link)
		(void) write(selwin->ww_pty, yp->line, yp->length);
}
Commit	Line	Data
2c872e05	1	/* @(#)cmd7.c 8.1 (Berkeley) 6/6/93 */
abecab39 SW	2	/* $NetBSD: cmd7.c,v 1.8 2006/05/02 22:30:25 christos Exp $ */
abecab39 SW	3
984263bc MD	4	/*
	5	* Copyright (c) 1983, 1993
	6	* The Regents of the University of California. All rights reserved.
	7	*
	8	* This code is derived from software contributed to Berkeley by
	9	* Edward Wang at The University of California, Berkeley.
	10	*
	11	* Redistribution and use in source and binary forms, with or without
	12	* modification, are permitted provided that the following conditions
	13	* are met:
	14	* 1. Redistributions of source code must retain the above copyright
	15	* notice, this list of conditions and the following disclaimer.
	16	* 2. Redistributions in binary form must reproduce the above copyright
	17	* notice, this list of conditions and the following disclaimer in the
	18	* documentation and/or other materials provided with the distribution.
abecab39	19	* 3. Neither the name of the University nor the names of its contributors
984263bc MD	20	* may be used to endorse or promote products derived from this software
	21	* without specific prior written permission.
	22	*
	23	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	24	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	26	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	27	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	28	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	29	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	30	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	31	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	32	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	33	* SUCH DAMAGE.
	34	*/
	35
984263bc	36	#include <stdlib.h>
abecab39	37	#include <unistd.h>
984263bc	38	#include "defs.h"
abecab39 SW	39	#include "window_string.h"
	40
	41	void unyank(void);
	42	void yank_highlight(int, int, int, int);
	43	void yank_highlight_line(int, int, int);
	44	void yank_line(int, int, int);
984263bc MD	45
	46	/*
	47	* Window size.
	48	*/
abecab39 SW	49	void
abecab39 SW	50	c_size(struct ww *w)
984263bc MD	51	{
	52	int col, row;
	53
	54	if (!terse)
	55	wwputs("New window size (lower right corner): ", cmdwin);
	56	col = MIN(w->ww_w.r, wwncol) - 1;
	57	row = MIN(w->ww_w.b, wwnrow) - 1;
	58	wwadd(boxwin, framewin->ww_back);
	59	for (;;) {
	60	wwbox(boxwin, w->ww_w.t - 1, w->ww_w.l - 1,
	61	row - w->ww_w.t + 3, col - w->ww_w.l + 3);
	62	wwsetcursor(row, col);
	63	while (wwpeekc() < 0)
	64	wwiomux();
	65	switch (getpos(&row, &col, w->ww_w.t, w->ww_w.l,
	66	wwnrow - 1, wwncol - 1)) {
	67	case 3:
	68	wwunbox(boxwin);
	69	wwdelete(boxwin);
	70	return;
	71	case 2:
	72	wwunbox(boxwin);
	73	break;
	74	case 1:
	75	wwunbox(boxwin);
	76	case 0:
	77	continue;
	78	}
	79	break;
	80	}
	81	wwdelete(boxwin);
	82	if (!terse)
	83	wwputc('\n', cmdwin);
	84	wwcurtowin(cmdwin);
	85	sizewin(w, row - w->ww_w.t + 1, col - w->ww_w.l + 1);
	86	}
	87
	88	/*
	89	* Yank and put
	90	*/
	91
	92	struct yb {
	93	char *line;
	94	int length;
	95	struct yb *link;
	96	};
	97	struct yb yb_head, yb_tail;
	98
abecab39 SW	99	void
abecab39 SW	100	c_yank(void)
984263bc MD	101	{
	102	struct ww *w = selwin;
	103	int col1, row1;
	104	int col2, row2;
	105	int r, c;
	106
	107	if (!terse)
	108	wwputs("Yank starting position: ", cmdwin);
	109	wwcursor(w, 0);
	110	row1 = w->ww_cur.r;
	111	col1 = w->ww_cur.c;
	112	for (;;) {
	113	wwsetcursor(row1, col1);
	114	while (wwpeekc() < 0)
	115	wwiomux();
	116	switch (getpos(&row1, &col1, w->ww_i.t, w->ww_i.l,
	117	w->ww_i.b - 1, w->ww_i.r - 1)) {
	118	case 3:
	119	goto out;
	120	case 2:
	121	break;
	122	case 1:
	123	case 0:
	124	continue;
	125	}
	126	break;
	127	}
	128	if (!terse)
	129	wwputs("\nYank ending position: ", cmdwin);
	130	row2 = row1;
	131	col2 = col1;
	132	for (;;) {
	133	wwsetcursor(row2, col2);
	134	while (wwpeekc() < 0)
	135	wwiomux();
	136	r = row2;
	137	c = col2;
	138	switch (getpos(&row2, &col2, w->ww_i.t, w->ww_i.l,
	139	w->ww_i.b - 1, w->ww_i.r - 1)) {
	140	case 3:
	141	yank_highlight(row1, col1, r, c);
	142	goto out;
	143	case 2:
	144	break;
	145	case 1:
	146	yank_highlight(row1, col1, r, c);
	147	yank_highlight(row1, col1, row2, col2);
	148	case 0:
	149	continue;
	150	}
	151	break;
	152	}
abecab39	153	if (row2 < row1 \|\| (row2 == row1 && col2 < col1)) {
984263bc MD	154	r = row1;
	155	c = col1;
	156	row1 = row2;
	157	col1 = col2;
	158	row2 = r;
	159	col2 = c;
	160	}
	161	unyank();
	162	c = col1;
	163	for (r = row1; r < row2; r++) {
	164	yank_line(r, c, w->ww_b.r);
	165	c = w->ww_b.l;
	166	}
	167	yank_line(r, c, col2);
	168	yank_highlight(row1, col1, row2, col2);
	169	if (!terse)
	170	wwputc('\n', cmdwin);
	171	out:
	172	wwcursor(w, 1);
	173	}
	174
abecab39 SW	175	void
abecab39 SW	176	yank_highlight(int row1, int col1, int row2, int col2)
984263bc MD	177	{
	178	struct ww *w = selwin;
	179	int r, c;
	180
	181	if ((wwavailmodes & WWM_REV) == 0)
	182	return;
abecab39	183	if (row2 < row1 \|\| (row2 == row1 && col2 < col1)) {
984263bc MD	184	r = row1;
	185	c = col1;
	186	row1 = row2;
	187	col1 = col2;
	188	row2 = r;
	189	col2 = c;
	190	}
	191	c = col1;
	192	for (r = row1; r < row2; r++) {
	193	yank_highlight_line(r, c, w->ww_b.r);
	194	c = w->ww_b.l;
	195	}
	196	yank_highlight_line(r, c, col2);
	197	}
	198
abecab39 SW	199	void
abecab39 SW	200	yank_highlight_line(int r, int c, int cend)
984263bc MD	201	{
	202	struct ww *w = selwin;
	203	char *win;
	204
	205	if (r < w->ww_i.t \|\| r >= w->ww_i.b)
	206	return;
	207	if (c < w->ww_i.l)
	208	c = w->ww_i.l;
	209	if (cend >= w->ww_i.r)
	210	cend = w->ww_i.r;
	211	for (win = w->ww_win[r] + c; c < cend; c++, win++) {
	212	*win ^= WWM_REV;
	213	if (wwsmap[r][c] == w->ww_index) {
	214	if (*win == 0)
	215	w->ww_nvis[r]++;
	216	else if (*win == WWM_REV)
	217	w->ww_nvis[r]--;
	218	wwns[r][c].c_m ^= WWM_REV;
	219	wwtouched[r] \|= WWU_TOUCHED;
	220	}
	221	}
	222	}
	223
abecab39 SW	224	void
abecab39 SW	225	unyank(void)
984263bc MD	226	{
	227	struct yb yp, yq;
	228
	229	for (yp = yb_head; yp; yp = yq) {
	230	yq = yp->link;
	231	str_free(yp->line);
	232	free((char *) yp);
	233	}
	234	yb_head = yb_tail = 0;
	235	}
	236
abecab39 SW	237	void
abecab39 SW	238	yank_line(int r, int c, int cend)
984263bc MD	239	{
	240	struct yb *yp;
	241	int nl = 0;
	242	int n;
	243	union ww_char *bp;
	244	char *cp;
	245
	246	if (c == cend)
	247	return;
	248	if ((yp = (struct yb ) malloc(sizeof yp)) == 0)
	249	return;
	250	yp->link = 0;
	251	nl = cend == selwin->ww_b.r;
	252	bp = selwin->ww_buf[r];
	253	for (cend--; cend >= c; cend--)
	254	if (bp[cend].c_c != ' ')
	255	break;
	256	yp->length = n = cend - c + 1;
	257	if (nl)
	258	yp->length++;
abecab39 SW	259	if ((yp->line = str_alloc(yp->length + 1)) == NULL) {
	260	free(yp);
	261	return;
	262	}
984263bc MD	263	for (bp += c, cp = yp->line; --n >= 0;)
	264	*cp++ = bp++->c_c;
	265	if (nl)
	266	*cp++ = '\n';
	267	*cp = 0;
	268	if (yb_head)
	269	yb_tail = yb_tail->link = yp;
	270	else
	271	yb_head = yb_tail = yp;
	272	}
	273
abecab39 SW	274	void
abecab39 SW	275	c_put(void)
984263bc MD	276	{
	277	struct yb *yp;
	278
	279	for (yp = yb_head; yp; yp = yp->link)
	280	(void) write(selwin->ww_pty, yp->line, yp->length);
	281	}