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157 lines
5.5 KiB
C
157 lines
5.5 KiB
C
/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Edward Wang at The University of California, Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)cmd2.c 8.1 (Berkeley) 6/6/93";
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static char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include "defs.h"
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char *help_shortcmd[] = {
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"# Select window # and return to conversation mode",
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"%# Select window # but stay in command mode",
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"escape Return to conversation mode without changing window",
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"^^ Return to conversation mode and change to previous window",
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"c# Close window #",
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"w Open a new window",
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"m# Move window #",
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"M# Move window # to its previous position",
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"s# Change the size of window #",
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"S# Change window # to its previous size",
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"^Y Scroll up one line",
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"^E Scroll down one line",
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"^U Scroll up half a window",
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"^D Scroll down half a window",
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"^B Scroll up a full window",
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"^F Scroll down a full window",
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"h Move cursor left",
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"j Move cursor down",
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"k Move cursor up",
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"l Move cursor right",
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"y Yank",
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"p Put",
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"^S Stop output in current window",
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"^Q Restart output in current window",
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"^L Redraw screen",
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"^Z Suspend",
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"q Quit",
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": Enter a long command",
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0
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};
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char *help_longcmd[] = {
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":alias name string ... Make `name' an alias for `string ...'",
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":alias Show all aliases",
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":close # ... Close windows",
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":close all Close all windows",
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":cursor modes Set the cursor modes",
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":echo # string ... Print `string ...' in window #",
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":escape c Set escape character to `c'",
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":foreground # flag Make # a foreground window, if `flag' is true",
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":label # string Set label of window # to `string'",
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":list List all open windows",
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":default_nline lines Set default window buffer size to `lines'",
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":default_shell string ...",
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" Set default shell to `string ...'",
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":default_smooth flag Set default smooth scroll flag",
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":select # Select window #",
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":smooth # flag Set window # to smooth scroll mode",
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":source filename Execute commands in `filename'",
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":terse flag Set terse mode",
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":unalias name Undefine `name' as an alias",
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":unset variable Deallocate `variable'",
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":variable List all variables",
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":window [row col nrow ncol nline label pty frame mapnl keepopen smooth shell]",
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" Open a window at `row', `col' of size `nrow', `ncol',",
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" with `nline' lines in the buffer, and `label'",
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":write # string ... Write `string ...' to window # as input",
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0
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};
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c_help()
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{
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register struct ww *w;
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if ((w = openiwin(wwnrow - 3, "Help")) == 0) {
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error("Can't open help window: %s.", wwerror());
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return;
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}
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wwprintf(w, "The escape character is %c.\n", escapec);
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wwprintf(w, "(# represents one of the digits from 1 to 9.)\n\n");
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if (help_print(w, "Short commands", help_shortcmd) >= 0)
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(void) help_print(w, "Long commands", help_longcmd);
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closeiwin(w);
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}
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help_print(w, name, list)
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register struct ww *w;
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char *name;
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register char **list;
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{
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wwprintf(w, "%s:\n\n", name);
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while (*list)
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switch (more(w, 0)) {
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case 0:
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wwputs(*list++, w);
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wwputc('\n', w);
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break;
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case 1:
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wwprintf(w, "%s: (continued)\n\n", name);
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break;
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case 2:
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return -1;
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}
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return more(w, 1) == 2 ? -1 : 0;
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}
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c_quit()
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{
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char oldterse = terse;
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setterse(0);
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wwputs("Really quit [yn]? ", cmdwin);
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wwcurtowin(cmdwin);
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while (wwpeekc() < 0)
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wwiomux();
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if (wwgetc() == 'y') {
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wwputs("Yes", cmdwin);
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quit++;
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} else
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wwputc('\n', cmdwin);
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setterse(!quit && oldterse);
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}
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