xref: /dragonfly/usr.bin/window/cmd1.c (revision 1bf4b486)
1 /*
2  * Copyright (c) 1983, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Edward Wang at The University of California, Berkeley.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * @(#)cmd1.c     8.1 (Berkeley) 6/6/93
37  * $FreeBSD: src/usr.bin/window/cmd1.c,v 1.2.14.1 2001/05/17 09:45:00 obrien Exp $
38  * $DragonFly: src/usr.bin/window/cmd1.c,v 1.3 2005/04/15 17:55:29 drhodus Exp $
39  */
40 
41 #include "defs.h"
42 #include "char.h"
43 
44 c_window()
45 {
46 	int col, row, xcol, xrow;
47 	int id;
48 
49 	if ((id = findid()) < 0)
50 		return;
51 	if (!terse)
52 		wwputs("New window (upper left corner): ", cmdwin);
53 	col = 0;
54 	row = 1;
55 	wwadd(boxwin, framewin->ww_back);
56 	for (;;) {
57 		wwbox(boxwin, row - 1, col - 1, 3, 3);
58 		wwsetcursor(row, col);
59 		while (wwpeekc() < 0)
60 			wwiomux();
61 		switch (getpos(&row, &col, row > 1, 0,
62 			wwnrow - 1, wwncol - 1)) {
63 		case 3:
64 			wwunbox(boxwin);
65 			wwdelete(boxwin);
66 			return;
67 		case 2:
68 			wwunbox(boxwin);
69 			break;
70 		case 1:
71 			wwunbox(boxwin);
72 		case 0:
73 			continue;
74 		}
75 		break;
76 	}
77 	if (!terse)
78 		wwputs("\nNew window (lower right corner): ", cmdwin);
79 	xcol = col;
80 	xrow = row;
81 	for (;;) {
82 		wwbox(boxwin, row - 1, col - 1,
83 			xrow - row + 3, xcol - col + 3);
84 		wwsetcursor(xrow, xcol);
85 		while (wwpeekc() < 0)
86 			wwiomux();
87 		switch (getpos(&xrow, &xcol, row, col, wwnrow - 1, wwncol - 1))
88 		{
89 		case 3:
90 			wwunbox(boxwin);
91 			wwdelete(boxwin);
92 			return;
93 		case 2:
94 			wwunbox(boxwin);
95 			break;
96 		case 1:
97 			wwunbox(boxwin);
98 		case 0:
99 			continue;
100 		}
101 		break;
102 	}
103 	wwdelete(boxwin);
104 	if (!terse)
105 		wwputc('\n', cmdwin);
106 	wwcurtowin(cmdwin);
107 	(void) openwin(id, row, col, xrow-row+1, xcol-col+1, default_nline,
108 		(char *) 0, 1, 1, default_shellfile, default_shell);
109 }
110 
111 getpos(row, col, minrow, mincol, maxrow, maxcol)
112 int *row, *col;
113 int minrow, mincol;
114 int maxrow, maxcol;
115 {
116 	static int scount;
117 	int count;
118 	int c;
119 	int oldrow = *row, oldcol = *col;
120 
121 	while ((c = wwgetc()) >= 0) {
122 		switch (c) {
123 		case '0': case '1': case '2': case '3': case '4':
124 		case '5': case '6': case '7': case '8': case '9':
125 			scount = scount * 10 + c - '0';
126 			continue;
127 		}
128 		count = scount ? scount : 1;
129 		scount = 0;
130 		switch (c) {
131 		case 'h':
132 			if ((*col -= count) < mincol)
133 				*col = mincol;
134 			break;
135 		case 'H':
136 			*col = mincol;
137 			break;
138 		case 'l':
139 			if ((*col += count) > maxcol)
140 				*col = maxcol;
141 			break;
142 		case 'L':
143 			*col = maxcol;
144 			break;
145 		case 'j':
146 			if ((*row += count) > maxrow)
147 				*row = maxrow;
148 			break;
149 		case 'J':
150 			*row = maxrow;
151 			break;
152 		case 'k':
153 			if ((*row -= count) < minrow)
154 				*row = minrow;
155 			break;
156 		case 'K':
157 			*row = minrow;
158 			break;
159 		case ctrl('['):
160 			if (!terse)
161 				wwputs("\nCancelled.  ", cmdwin);
162 			return 3;
163 		case '\r':
164 			return 2;
165 		default:
166 			if (!terse)
167 				wwputs("\nType [hjklHJKL] to move, return to enter position, escape to cancel.", cmdwin);
168 			wwbell();
169 		}
170 	}
171 	return oldrow != *row || oldcol != *col;
172 }
173