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: }

Defined functions

c_help defined in line 68; used 1 times
c_quit defined in line 104; used 1 times
help_print defined in line 83; used 2 times

Defined variables

help_longcmd defined in line 42; used 1 times
  • in line 79
help_shortcmd defined in line 13; used 1 times
  • in line 78
sccsid defined in line 2; never used
Last modified: 1987-02-17
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