src/help.c

   1 /* vim:tw=78:ts=8:sw=4:set ft=c:  */
   2 /*
   3     Copyright (C) 2002-2006 Ben Kibbey <bjk@luxsci.net>
   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 "chess.h"
  28 #include "conf.h"
  29 #include "colors.h"
  30 #include "window.h"
  31
  32 #ifdef WITH_DMALLOC
  33 #include <dmalloc.h>
  34 #endif
  35
  36 void draw_window_title(WINDOW *, const char *, int, chtype, chtype);
  37 void draw_prompt(WINDOW *win, int, int, const char *, chtype);
  38
  39 chtype help(const char *title, const char *prompt, const char **text)
  40 {
  41     WINDOW *win;
  42     PANEL *panel;
  43     int y = 2, x = 0, n;
  44     int i;
  45     chtype c;
  46
  47     for (i = 0; text[i]; i++) {
  48         if ((n = strlen(text[i])) > x)
  49             x = n;
  50     }
  51
  52     if (x < strlen(prompt))
  53         x = strlen(prompt);
  54
  55     x += 4;
  56     n = i + 4;
  57
  58     win = newwin(n, x, LINES / 2 - n / 2, CALCPOSX(x));
  59     panel = new_panel(win);
  60     keypad(win, TRUE);
  61     wbkgd(win, CP_MESSAGE_WINDOW);
  62     draw_window_title(win, title, x, CP_MESSAGE_TITLE, CP_MESSAGE_BORDER);
  63
  64     for (i = 0; text[i]; i++)
  65         mvwprintw(win, y++, 2, "%s", text[i]);
  66
  67     draw_prompt(win, y, x, prompt, CP_MESSAGE_PROMPT);
  68     update_panels();
  69     doupdate();
  70     c = wgetch(win);
  71     del_panel(panel);
  72     delwin(win);
  73     return c;
  74 }