1 /* 2 * $Id: help.c,v 1.4 2022/04/03 22:38:16 tom Exp $ 3 * 4 * help.c -- implements the help dialog 5 * 6 * Copyright 2011-2012,2022 Thomas E. Dickey 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU Lesser General Public License, version 2.1 10 * as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this program; if not, write to 19 * Free Software Foundation, Inc. 20 * 51 Franklin St., Fifth Floor 21 * Boston, MA 02110, USA. 22 */ 23 24 #include <dlg_internals.h> 25 26 /* 27 * Display a help-file as a textbox widget. 28 */ 29 int 30 dialog_helpfile(const char *title, 31 const char *file, 32 int height, 33 int width) 34 { 35 int result = DLG_EXIT_ERROR; 36 DIALOG_VARS save; 37 38 if (!dialog_vars.in_helpfile && file != 0 && *file != '\0') { 39 dlg_save_vars(&save); 40 41 dialog_vars.no_label = NULL; 42 dialog_vars.ok_label = NULL; 43 dialog_vars.help_button = FALSE; 44 dialog_vars.extra_button = FALSE; 45 dialog_vars.nook = FALSE; 46 47 dialog_vars.in_helpfile = TRUE; 48 49 result = dialog_textbox(title, file, height, width); 50 51 dlg_restore_vars(&save); 52 } 53 return (result); 54 } 55