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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
INFORMAES DE LICENA:
Este programa um software de livre distribuio; voc pode
redistribu-lo e/ou modific-lo sob os termos da GNU General
Public License, conforme publicado pela Free Software Foundation,
pela verso 2 da licena ou qualquer verso posterior.
Este programa distribudo na esperana de que ele ser til
aos seus usurios, porm, SEM QUAISQUER GARANTIAS; sem sequer
a garantia implcita de COMERCIABILIDADE ou DE ADEQUAO A
QUALQUER FINALIDADE ESPECFICA. Consulte a GNU General Public
License para obter mais detalhes (uma cpia acompanha este
programa, armazenada no arquivo COPYING).
*/
#include "bores/bores.h"
#include <ncurses.h>
#include <string.h>
#include <stdlib.h>
#include "ui.h"
int ui_cancel; /* global cancel flag */
/* clears bottom line of screen and puts cursor at the beginning of that line.
* Also lowers the global ui_cancel flag. */
static void ui_prepare_ex(int fg, int bg) {
int w = kurses_width();
kurses_move(0, kurses_height() - 1);
kurses_color(fg, bg);
while (w--) addch(' ');
kurses_move(0, kurses_height() - 1);
ui_cancel = 0;
}
static void ui_prepare(void) {
ui_prepare_ex(15, 4);
}
int ui_ask_i(const char *prompt, int def, int min, int max) {
static char buf[32]; int ans;
do {
ui_prepare();
printw("%s [%d]: ", prompt, def);
if (!kurses_line_input(buf, 32)) return (ui_cancel = -1);
if (!*buf) return def; /* user just pressed ENTER, so use default */
ans = atoi(buf);
} while (!(ans >= min && ans <= max));
return ans;
}
char *ui_ask_s(const char *prompt, const char *def) {
static char buf[256];
ui_prepare();
if (def) printw("%s [%s]: ", prompt, def);
else printw("%s: ", prompt);
if (!kurses_line_input(buf, 256)) { ui_cancel = -1; return NULL; }
/* if user didn't type anything and there is a default, return default;
* otherwise just return whatever it is the user typed (even if it's an
* empty string) */
if (!*buf && def) return strdup(def);
else return strdup(buf);
}
int ui_ask_color(const char *prompt) {
int i;
static char hexdigit[] = "0123456789abcdef";
ui_prepare();
printw("%s ", prompt);
/* print the colors */
for (i = 0; i <= 15; i++) {
kurses_color(i, i ? 0 : 7);
printw(" %c ", hexdigit[i]);
}
kurses_color(0, 7);
printw(": ");
while (1) {
int ch, color_code;
ch = getch(); color_code = (ch >= 'a' && ch <= 'f') ? ch - 'a' + 10 :
(ch >= 'A' && ch <= 'F') ? ch - 'A' + 10 :
ch - '0';
if (ch == 27 || ch == 3 || ch == 7) return (ui_cancel = -1);
if (color_code >= 0 && color_code <= 15) return color_code;
}
}
int ui_ask_yn(const char *prompt, int defyes) {
ui_prepare();
printw("%s [%s] ", prompt, defyes ? "Yes" : "No");
while (1) {
int ch = getch();
switch (ch) {
case 10: return defyes;
case 'y': case 'Y': return 1;
case 'n': case 'N': return 0;
case 27:
case 3:
case 7: return (ui_cancel = -1);
}
}
}
void ui_message(const char *msg, int error) {
if (error)
ui_prepare_ex(15, 1);
else
ui_prepare();
addstr(msg);
getch();
}
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