1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* 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.
*/
#ifndef lint
static char sccsid[] = "@(#)cmd2.c 8.1 (Berkeley) 6/6/93";
static char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include "defs.h"
char *help_shortcmd[] = {
"# Select window # and return to conversation mode",
"%# Select window # but stay in command mode",
"escape Return to conversation mode without changing window",
"^^ Return to conversation mode and change to previous window",
"c# Close window #",
"w Open a new window",
"m# Move window #",
"M# Move window # to its previous position",
"s# Change the size of window #",
"S# Change window # to its previous size",
"^Y Scroll up one line",
"^E Scroll down one line",
"^U Scroll up half a window",
"^D Scroll down half a window",
"^B Scroll up a full window",
"^F Scroll down a full window",
"h Move cursor left",
"j Move cursor down",
"k Move cursor up",
"l Move cursor right",
"y Yank",
"p Put",
"^S Stop output in current window",
"^Q Restart output in current window",
"^L Redraw screen",
"^Z Suspend",
"q Quit",
": Enter a long command",
0
};
char *help_longcmd[] = {
":alias name string ... Make `name' an alias for `string ...'",
":alias Show all aliases",
":close # ... Close windows",
":close all Close all windows",
":cursor modes Set the cursor modes",
":echo # string ... Print `string ...' in window #",
":escape c Set escape character to `c'",
":foreground # flag Make # a foreground window, if `flag' is true",
":label # string Set label of window # to `string'",
":list List all open windows",
":default_nline lines Set default window buffer size to `lines'",
":default_shell string ...",
" Set default shell to `string ...'",
":default_smooth flag Set default smooth scroll flag",
":select # Select window #",
":smooth # flag Set window # to smooth scroll mode",
":source filename Execute commands in `filename'",
":terse flag Set terse mode",
":unalias name Undefine `name' as an alias",
":unset variable Deallocate `variable'",
":variable List all variables",
":window [row col nrow ncol nline label pty frame mapnl keepopen smooth shell]",
" Open a window at `row', `col' of size `nrow', `ncol',",
" with `nline' lines in the buffer, and `label'",
":write # string ... Write `string ...' to window # as input",
0
};
c_help()
{
register struct ww *w;
if ((w = openiwin(wwnrow - 3, "Help")) == 0) {
error("Can't open help window: %s.", wwerror());
return;
}
wwprintf(w, "The escape character is %c.\n", escapec);
wwprintf(w, "(# represents one of the digits from 1 to 9.)\n\n");
if (help_print(w, "Short commands", help_shortcmd) >= 0)
(void) help_print(w, "Long commands", help_longcmd);
closeiwin(w);
}
help_print(w, name, list)
register struct ww *w;
char *name;
register char **list;
{
wwprintf(w, "%s:\n\n", name);
while (*list)
switch (more(w, 0)) {
case 0:
wwputs(*list++, w);
wwputc('\n', w);
break;
case 1:
wwprintf(w, "%s: (continued)\n\n", name);
break;
case 2:
return -1;
}
return more(w, 1) == 2 ? -1 : 0;
}
c_quit()
{
char oldterse = terse;
setterse(0);
wwputs("Really quit [yn]? ", cmdwin);
wwcurtowin(cmdwin);
while (wwpeekc() < 0)
wwiomux();
if (wwgetc() == 'y') {
wwputs("Yes", cmdwin);
quit++;
} else
wwputc('\n', cmdwin);
setterse(!quit && oldterse);
}
|
