xref: /dragonfly/usr.bin/window/cmd1.c (revision 1b722dce)
1 /*	$NetBSD: cmd1.c,v 1.7 2003/08/07 11:17:22 agc 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. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #include <sys/cdefs.h>
36 #ifndef lint
37 #if 0
38 static char sccsid[] = "@(#)cmd1.c	8.1 (Berkeley) 6/6/93";
39 #else
40 __RCSID("$NetBSD: cmd1.c,v 1.7 2003/08/07 11:17:22 agc Exp $");
41 #endif
42 #endif /* not lint */
43 
44 #include "defs.h"
45 #include "char.h"
46 
47 void
48 c_window(void)
49 {
50 	int col, row, xcol, xrow;
51 	int id;
52 
53 	if ((id = findid()) < 0)
54 		return;
55 	if (!terse)
56 		wwputs("New window (upper left corner): ", cmdwin);
57 	col = 0;
58 	row = 1;
59 	wwadd(boxwin, framewin->ww_back);
60 	for (;;) {
61 		wwbox(boxwin, row - 1, col - 1, 3, 3);
62 		wwsetcursor(row, col);
63 		while (wwpeekc() < 0)
64 			wwiomux();
65 		switch (getpos(&row, &col, row > 1, 0,
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 	if (!terse)
82 		wwputs("\nNew window (lower right corner): ", cmdwin);
83 	xcol = col;
84 	xrow = row;
85 	for (;;) {
86 		wwbox(boxwin, row - 1, col - 1,
87 			xrow - row + 3, xcol - col + 3);
88 		wwsetcursor(xrow, xcol);
89 		while (wwpeekc() < 0)
90 			wwiomux();
91 		switch (getpos(&xrow, &xcol, row, col, wwnrow - 1, wwncol - 1))
92 		{
93 		case 3:
94 			wwunbox(boxwin);
95 			wwdelete(boxwin);
96 			return;
97 		case 2:
98 			wwunbox(boxwin);
99 			break;
100 		case 1:
101 			wwunbox(boxwin);
102 		case 0:
103 			continue;
104 		}
105 		break;
106 	}
107 	wwdelete(boxwin);
108 	if (!terse)
109 		wwputc('\n', cmdwin);
110 	wwcurtowin(cmdwin);
111 	(void) openwin(id, row, col, xrow-row+1, xcol-col+1, default_nline,
112 	    (char *) 0, WWT_PTY, WWU_HASFRAME, default_shellfile,
113 	    default_shell);
114 }
115 
116 int
117 getpos(int *row, int *col, int minrow, int mincol, int maxrow, int maxcol)
118 {
119 	static int scount;
120 	int count;
121 	int c;
122 	int oldrow = *row, oldcol = *col;
123 
124 	while ((c = wwgetc()) >= 0) {
125 		switch (c) {
126 		case '0': case '1': case '2': case '3': case '4':
127 		case '5': case '6': case '7': case '8': case '9':
128 			scount = scount * 10 + c - '0';
129 			continue;
130 		}
131 		count = scount ? scount : 1;
132 		scount = 0;
133 		switch (c) {
134 		case 'h':
135 			if ((*col -= count) < mincol)
136 				*col = mincol;
137 			break;
138 		case 'H':
139 			*col = mincol;
140 			break;
141 		case 'l':
142 			if ((*col += count) > maxcol)
143 				*col = maxcol;
144 			break;
145 		case 'L':
146 			*col = maxcol;
147 			break;
148 		case 'j':
149 			if ((*row += count) > maxrow)
150 				*row = maxrow;
151 			break;
152 		case 'J':
153 			*row = maxrow;
154 			break;
155 		case 'k':
156 			if ((*row -= count) < minrow)
157 				*row = minrow;
158 			break;
159 		case 'K':
160 			*row = minrow;
161 			break;
162 		case ctrl('['):
163 			if (!terse)
164 				wwputs("\nCancelled.  ", cmdwin);
165 			return 3;
166 		case '\r':
167 			return 2;
168 		default:
169 			if (!terse)
170 				wwputs("\nType [hjklHJKL] to move, return to enter position, escape to cancel.", cmdwin);
171 			wwbell();
172 		}
173 	}
174 	return oldrow != *row || oldcol != *col;
175 }
176