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Annotation of 43BSDReno/usr.bin/window/cmd2.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * Edward Wang at The University of California, Berkeley.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms are permitted provided
        !             9:  * that: (1) source distributions retain this entire copyright notice and
        !            10:  * comment, and (2) distributions including binaries display the following
        !            11:  * acknowledgement:  ``This product includes software developed by the
        !            12:  * University of California, Berkeley and its contributors'' in the
        !            13:  * documentation or other materials provided with the distribution and in
        !            14:  * all advertising materials mentioning features or use of this software.
        !            15:  * Neither the name of the University nor the names of its contributors may
        !            16:  * be used to endorse or promote products derived from this software without
        !            17:  * specific prior written permission.
        !            18:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            19:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            20:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            21:  */
        !            22: 
        !            23: #ifndef lint
        !            24: static char sccsid[] = "@(#)cmd2.c     3.40 (Berkeley) 6/6/90";
        !            25: #endif /* not lint */
        !            26: 
        !            27: #include "defs.h"
        !            28: 
        !            29: char *help_shortcmd[] = {
        !            30:        "#       Select window # and return to conversation mode",
        !            31:        "%#      Select window # but stay in command mode",
        !            32:        "escape  Return to conversation mode without changing window",
        !            33:        "^^      Return to conversation mode and change to previous window",
        !            34:        "c#      Close window #",
        !            35:        "w       Open a new window",
        !            36:        "m#      Move window #",
        !            37:        "M#      Move window # to its previous position",
        !            38:        "s#      Change the size of window #",
        !            39:        "S#      Change window # to its previous size",
        !            40:        "^Y      Scroll up one line",
        !            41:        "^E      Scroll down one line",
        !            42:        "^U      Scroll up half a window",
        !            43:        "^D      Scroll down half a window",
        !            44:        "^B      Scroll up a full window",
        !            45:        "^F      Scroll down a full window",
        !            46:        "h       Move cursor left",
        !            47:        "j       Move cursor down",
        !            48:        "k       Move cursor up",
        !            49:        "l       Move cursor right",
        !            50:        "^S      Stop output in current window",
        !            51:        "^Q      Restart output in current window",
        !            52:        "^L      Redraw screen",
        !            53:        "^Z      Suspend",
        !            54:        "q       Quit",
        !            55:        ":       Enter a long command",
        !            56:        0
        !            57: };
        !            58: char *help_longcmd[] = {
        !            59:        ":alias name string ...  Make `name' an alias for `string ...'",
        !            60:        ":alias                  Show all aliases",
        !            61:        ":close # ...            Close windows",
        !            62:        ":close all              Close all windows",
        !            63:        ":cursor modes           Set the cursor modes",
        !            64:        ":echo # string ...      Print `string ...' in window #",
        !            65:        ":escape c               Set escape character to `c'",
        !            66:        ":foreground # flag      Make # a foreground window, if `flag' is true",
        !            67:        ":label # string         Set label of window # to `string'",
        !            68:        ":list                   List all open windows",
        !            69:        ":default_nline lines    Set default window buffer size to `lines'",
        !            70:        ":default_shell string ...",
        !            71:        "                        Set default shell to `string ...'",
        !            72:        ":default_smooth flag    Set default smooth scroll flag",
        !            73:        ":select #               Select window #",
        !            74:        ":smooth # flag          Set window # to smooth scroll mode",
        !            75:        ":source filename        Execute commands in `filename'",
        !            76:        ":terse flag             Set terse mode",
        !            77:        ":unalias name           Undefine `name' as an alias",
        !            78:        ":unset variable         Deallocate `variable'",
        !            79:        ":variable               List all variables",
        !            80:        ":window [row col nrow ncol nline label pty frame mapnl keepopen smooth shell]",
        !            81:        "                        Open a window at `row', `col' of size `nrow', `ncol',",
        !            82:        "                        with `nline' lines in the buffer, and `label'",
        !            83:        ":write # string ...     Write `string ...' to window # as input",
        !            84:        0
        !            85: };
        !            86: 
        !            87: c_help()
        !            88: {
        !            89:        register struct ww *w;
        !            90: 
        !            91:        if ((w = openiwin(wwnrow - 3, "Help")) == 0) {
        !            92:                error("Can't open help window: %s.", wwerror());
        !            93:                return;
        !            94:        }
        !            95:        wwprintf(w, "The escape character is %c.\n", escapec);
        !            96:        wwprintf(w, "(# represents one of the digits from 1 to 9.)\n\n");
        !            97:        if (help_print(w, "Short commands", help_shortcmd) >= 0)
        !            98:                (void) help_print(w, "Long commands", help_longcmd);
        !            99:        closeiwin(w);
        !           100: }
        !           101: 
        !           102: help_print(w, name, list)
        !           103: register struct ww *w;
        !           104: char *name;
        !           105: register char **list;
        !           106: {
        !           107:        wwprintf(w, "%s:\n\n", name);
        !           108:        while (*list)
        !           109:                switch (more(w, 0)) {
        !           110:                case 0:
        !           111:                        wwputs(*list++, w);
        !           112:                        wwputc('\n', w);
        !           113:                        break;
        !           114:                case 1:
        !           115:                        wwprintf(w, "%s: (continued)\n\n", name);
        !           116:                        break;
        !           117:                case 2:
        !           118:                        return -1;
        !           119:                }
        !           120:        return more(w, 1) == 2 ? -1 : 0;
        !           121: }
        !           122: 
        !           123: c_quit()
        !           124: {
        !           125:        char oldterse = terse;
        !           126: 
        !           127:        setterse(0);
        !           128:        wwputs("Really quit [yn]? ", cmdwin);
        !           129:        wwcurtowin(cmdwin);
        !           130:        while (wwpeekc() < 0)
        !           131:                wwiomux();
        !           132:        if (wwgetc() == 'y') {
        !           133:                wwputs("Yes", cmdwin);
        !           134:                quit++;
        !           135:        } else
        !           136:                wwputc('\n', cmdwin);
        !           137:        setterse(!quit && oldterse);
        !           138: }

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