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1.1 root 1: /*
2: * Copyright (c) 1983 Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms are permitted
6: * provided that the above copyright notice and this paragraph are
7: * duplicated in all such forms and that any documentation,
8: * advertising materials, and other materials related to such
9: * distribution and use acknowledge that the software was developed
10: * by the University of California, Berkeley. The name of the
11: * University may not be used to endorse or promote products derived
12: * from this software without specific prior written permission.
13: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15: * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16: */
17:
18: #ifndef lint
19: static char sccsid[] = "@(#)cmd2.c 3.36 (Berkeley) 6/29/88";
20: #endif /* not lint */
21:
22: #include "defs.h"
23:
24: char *help_shortcmd[] = {
25: "# Select window # and return to conversation mode",
26: "%# Select window # but stay in command mode",
27: "escape Return to conversation mode without changing window",
28: "^^ Return to conversation mode and change to previous window",
29: "c# Close window #",
30: "w Open a new window",
31: "m# Move window #",
32: "M# Move window # to its previous position",
33: "s# Change the size of window #",
34: "S# Change window # to its previous size",
35: "^Y Scroll up one line",
36: "^E Scroll down one line",
37: "^U Scroll up half a window",
38: "^D Scroll down half a window",
39: "^B Scroll up a full window",
40: "^F Scroll down a full window",
41: "h Move cursor left",
42: "j Move cursor down",
43: "k Move cursor up",
44: "l Move cursor right",
45: "^S Stop output in current window",
46: "^Q Restart output in current window",
47: "^L Redraw screen",
48: "^Z Suspend",
49: "q Quit",
50: ": Enter a long command",
51: 0
52: };
53: char *help_longcmd[] = {
54: ":alias name string ... Make `name' an alias for `string ...'",
55: ":alias Show all aliases",
56: ":close # ... Close windows",
57: ":close all Close all windows",
58: ":cursor modes Set the cursor modes",
59: ":echo # string ... Print `string ...' in window #",
60: ":escape c Set escape character to `c'",
61: ":foreground # flag Make # a foreground window, if `flag' is true",
62: ":label # string Set label of window # to `string'",
63: ":list List all open windows",
64: ":nline lines Set default window buffer size to `lines'",
65: ":select # Select window #",
66: ":shell string ... Set default shell program to `string ...'",
67: ":smooth # flag Set window # to smooth scroll mode",
68: ":source filename Execute commands in `filename'",
69: ":terse flag Set terse mode",
70: ":unalias name Undefine `name' as an alias",
71: ":unset variable Deallocate `variable'",
72: ":variable List all variables",
73: ":window [row col nrow ncol nline label pty frame mapnl keepopen smooth shell]",
74: " Open a window at `row', `col' of size `nrow', `ncol',",
75: " with `nline' lines in the buffer, and `label'",
76: ":write # string ... Write `string ...' to window # as input",
77: 0
78: };
79:
80: c_help()
81: {
82: register struct ww *w;
83:
84: if ((w = openiwin(wwnrow - 3, "Help")) == 0) {
85: error("Can't open help window: %s.", wwerror());
86: return;
87: }
88: wwprintf(w, "The escape character is %c.\n", escapec);
89: wwprintf(w, "(# represents one of the digits from 1 to 9.)\n\n");
90: if (help_print(w, "Short commands", help_shortcmd) >= 0)
91: (void) help_print(w, "Long commands", help_longcmd);
92: closeiwin(w);
93: }
94:
95: help_print(w, name, list)
96: register struct ww *w;
97: char *name;
98: register char **list;
99: {
100: wwprintf(w, "%s:\n\n", name);
101: while (*list)
102: switch (more(w, 0)) {
103: case 0:
104: wwputs(*list++, w);
105: wwputc('\n', w);
106: break;
107: case 1:
108: wwprintf(w, "%s: (continued)\n\n", name);
109: break;
110: case 2:
111: return -1;
112: }
113: return more(w, 1) == 2 ? -1 : 0;
114: }
115:
116: c_quit()
117: {
118: char oldterse = terse;
119:
120: setterse(0);
121: wwputs("Really quit [yn]? ", cmdwin);
122: wwcurtowin(cmdwin);
123: while (wwpeekc() < 0)
124: wwiomux();
125: if (wwgetc() == 'y') {
126: wwputs("Yes", cmdwin);
127: quit++;
128: } else
129: wwputc('\n', cmdwin);
130: setterse(!quit && oldterse);
131: }
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