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/*
Copyright (c) 2003 Bruno T. C. de Oliveira
LICENSE INFORMATION:
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public
License along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Copyright (c) 2002 Bruno T. C. de Oliveira
INFORMA��ES DE LICEN�A:
Este programa � um software de livre distribui��o; voc� pode
redistribu�-lo e/ou modific�-lo sob os termos da GNU General
Public License, conforme publicado pela Free Software Foundation,
pela vers�o 2 da licen�a ou qualquer vers�o posterior.
Este programa � distribu�do na esperan�a de que ele ser� �til
aos seus usu�rios, por�m, SEM QUAISQUER GARANTIAS; sem sequer
a garantia impl�cita de COMERCIABILIDADE ou DE ADEQUA��O A
QUALQUER FINALIDADE ESPEC�FICA. Consulte a GNU General Public
License para obter mais detalhes (uma c�pia acompanha este
programa, armazenada no arquivo COPYING).
*/
#ifndef _btco_aewan_ui_h
#define _btco_aewan_ui_h
#include <stdbool.h>
#include "bores/bores.h"
extern int ui_cancel; /* raised if the user cancels input in any of the
* ui_* functions. */
/* Asks the user to input an integer number. Presents the given prompt.
* If the user just presses ENTER, returns <def>. Otherwise, returns
* the user's input if min <= input <= max. If the user input is not
* in the [min,max] interval, keeps asking again until the user inputs
* a valid value. If the user presses ESC, or Ctrl+C or any such thing,
* the return value is undefined and the global flag ui_cancel is raised.
* The ui_cancel flag is lowered at the beginning of the operation, so
* there is no need to lower it before calling this function. */
int ui_ask_i(const char *prompt, int def, int min, int max);
/* Asks the user to input a string. Behavior is similar to ui_ask_i.
* The returned string is dynamically allocated and should be free()'d
* by the caller. Even if the default value is returned, the return value
* is an strdup()'ed value, so it should be free()'d by caller even in
* that case. */
char *ui_ask_s(const char *prompt, const char *def);
/* Asks the user a color. Similar to the other ui_ask_ functions.
* Returns the selected color code, between 0 and 15 inclusive. */
int ui_ask_color(const char *prompt);
/* Asks a yes/no question. If <defyes>, the default is yes, otherwise
* the default is no. Returns whether the user chose yes or not.
* If the user cancels, ui_cancel is set to true and return value
* is undefined. */
int ui_ask_yn(const char *prompt, int defyes);
/* Presents a message to the user and awaits for a keypress.
* If <level> is UIMSG_ERROR, message will be shown as an error condition
* (i.e. in red and possibly accompanied by a beep). */
void ui_message(const char *msg, int level);
#define UIMSG_INFORM 0
#define UIMSG_ERROR 1
#endif
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