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1.1 root 1: #ifndef lint
2: static char sccsid[] = "@(#)cmd2.c 3.33 4/24/85";
3: #endif
4:
5: /*
6: * Copyright (c) 1983 Regents of the University of California,
7: * All rights reserved. Redistribution permitted subject to
8: * the terms of the Berkeley Software License Agreement.
9: */
10:
11: #include "defs.h"
12:
13: char *help_shortcmd[] = {
14: "# Select window # and return to conversation mode",
15: "%# Select window # but stay in command mode",
16: "escape Return to conversation mode without changing window",
17: "^^ Return to conversation mode and change to previous window",
18: "c# Close window #",
19: "w Open a new window",
20: "m# Move window #",
21: "M# Move window # to its previous position",
22: "s# Change the size of window #",
23: "S# Change window # to its previous size",
24: "^Y Scroll up one line",
25: "^E Scroll down one line",
26: "^U Scroll up half a window",
27: "^D Scroll down half a window",
28: "^B Scroll up a full window",
29: "^F Scroll down a full window",
30: "h Move cursor left",
31: "j Move cursor down",
32: "k Move cursor up",
33: "l Move cursor right",
34: "^S Stop output in current window",
35: "^Q Restart output in current window",
36: "^L Redraw screen",
37: "^Z Suspend",
38: "q Quit",
39: ": Enter a long command",
40: 0
41: };
42: char *help_longcmd[] = {
43: ":alias name string ... Make `name' an alias for `string ...'",
44: ":alias Show all aliases",
45: ":close # ... Close windows",
46: ":close all Close all windows",
47: ":cursor modes Set the cursor modes",
48: ":echo # string ... Print `string ...' in window #",
49: ":escape c Set escape character to `c'",
50: ":foreground # flag Make # a foreground window, if `flag' is true",
51: ":label # string Set label of window # to `string'",
52: ":list List all open windows",
53: ":nline lines Set default window buffer size to `lines'",
54: ":select # Select window #",
55: ":shell string ... Set default shell program to `string ...'",
56: ":source filename Execute commands in `filename'",
57: ":terse flag Set terse mode",
58: ":unalias name Undefine `name' as an alias",
59: ":unset variable Deallocate `variable'",
60: ":variable List all variables",
61: ":window row col nrow ncol [nline label pty frame shell]",
62: " Open a window at `row', `col' of size `nrow', `ncol',",
63: " with `nline' lines in the buffer, and `label'",
64: ":write # string ... Write `string ...' to window # as input",
65: 0
66: };
67:
68: c_help()
69: {
70: register struct ww *w;
71:
72: if ((w = openiwin(wwnrow - 3, "Help")) == 0) {
73: error("Can't open help window: %s.", wwerror());
74: return;
75: }
76: wwprintf(w, "The escape character is %c.\n", escapec);
77: wwprintf(w, "(# represents one of the digits from 1 to 9.)\n\n");
78: if (help_print(w, "Short commands", help_shortcmd) >= 0)
79: (void) help_print(w, "Long commands", help_longcmd);
80: closeiwin(w);
81: }
82:
83: help_print(w, name, list)
84: register struct ww *w;
85: char *name;
86: register char **list;
87: {
88: wwprintf(w, "%s:\n\n", name);
89: while (*list)
90: switch (more(w, 0)) {
91: case 0:
92: wwputs(*list++, w);
93: wwputc('\n', w);
94: break;
95: case 1:
96: wwprintf(w, "%s: (continued)\n\n", name);
97: break;
98: case 2:
99: return -1;
100: }
101: return more(w, 1) == 2 ? -1 : 0;
102: }
103:
104: c_quit()
105: {
106: char oldterse = terse;
107:
108: setterse(0);
109: wwputs("Really quit [yn]? ", cmdwin);
110: wwcurtowin(cmdwin);
111: while (wwpeekc() < 0)
112: wwiomux();
113: if (wwgetc() == 'y') {
114: wwputs("Yes", cmdwin);
115: quit++;
116: } else
117: wwputc('\n', cmdwin);
118: setterse(!quit && oldterse);
119: }
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