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Diffstat (limited to 'usr.bin/window/cmd2.c')
| -rw-r--r-- | usr.bin/window/cmd2.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/usr.bin/window/cmd2.c b/usr.bin/window/cmd2.c new file mode 100644 index 0000000..f6239e9 --- /dev/null +++ b/usr.bin/window/cmd2.c @@ -0,0 +1,154 @@ +/* + * 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"; +#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); +} |
