Annotation of 43BSD/ucb/window/cmd2.c, revision 1.1.1.1

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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