src/help.c

   1 /* $Id: help.c,v 1.7 2003-02-05 16:21:44 bjk Exp $ */
   2 /*
   3     Copyright (C) 2002-2003 Ben Kibbey <bjk@arbornet.org>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 */
  19 #include <stdio.h>
  20 #include <panel.h>
  21 #include <string.h>
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include "common.h"
  28 #include "colors.h"
  29
  30 void draw_window_title(WINDOW *, const char *, int, chtype, chtype);
  31 void draw_prompt(WINDOW *win, int, int, const char *, chtype);
  32
  33 int help(const char *title, const char *prompt, const char **text)
  34 {
  35     WINDOW *win;
  36     PANEL *panel;
  37     int y = 2, x = 0, n;
  38     int i;
  39     int c;
  40
  41     for (i = 0; text[i]; i++) {
  42         if ((n = strlen(text[i])) > x)
  43             x = n;
  44     }
  45
  46     if (x < strlen(prompt))
  47         x = strlen(prompt);
  48
  49     x += 4;
  50     n = i + 4;
  51
  52     win = newwin(n, x, LINES / 2 - n / 2, CALCPOSX(x));
  53     panel = new_panel(win);
  54
  55     wbkgd(win, CP_MESSAGE_WINDOW);
  56     draw_window_title(win, title, x, CP_MESSAGE_TITLE, CP_MESSAGE_BORDER);
  57
  58     for (i = 0; text[i]; i++)
  59         mvwprintw(win, y++, 2, "%s", text[i]);
  60
  61     draw_prompt(win, y, x, prompt, CP_MESSAGE_PROMPT);
  62
  63     update_panels();
  64     doupdate();
  65
  66     c = wgetch(win);
  67
  68     del_panel(panel);
  69     delwin(win);
  70
  71     return c;
  72 }