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/*
* Guillaume Cottenceau (gc@mandrakesoft.com)
*
* Copyright 2000 MandrakeSoft
*
* This software may be freely redistributed under the terms of the GNU
* public license.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/*
* Each different frontend must implement all functions defined in frontend.h
*/
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include <fcntl.h>
#include "stage1.h"
#include "log.h"
#include "newt.h"
#include "frontend.h"
void init_frontend(void)
{
printf("Welcome to " DISTRIB_NAME " (" VERSION ") " __DATE__ " " __TIME__ "\n");
}
void finish_frontend(void)
{
}
static void get_any_response(void)
{
unsigned char t;
fflush(stdout);
read(0, &t, 1);
fcntl(0, F_SETFL, O_NONBLOCK);
while (read(0, &t, 1) > 0);
fcntl(0, F_SETFL, 0);
}
static int get_int_response(void)
{
char s[50];
int j = 0, i = 0; /* (0) tied to Cancel */
fflush(stdout);
read(0, &(s[i++]), 1);
fcntl(0, F_SETFL, O_NONBLOCK);
do {
int v = s[i-1];
if (v >= '0' && v <= '9')
j = j*10 + (v - '0');
} while (read(0, &(s[i++]), 1) > 0 && i < sizeof(s));
fcntl(0, F_SETFL, 0);
return j;
}
static char * get_string_response(void)
{
/* I won't use a scanf/%s since I also want the null string to be accepted */
char s[50];
int i = 0;
fflush(stdout);
read(0, &(s[i++]), 1);
fcntl(0, F_SETFL, O_NONBLOCK);
while (read(0, &(s[i++]), 1) > 0 && i < sizeof(s));
fcntl(0, F_SETFL, 0);
s[i-2] = '\0';
return strdup(s);
}
static void blocking_msg(char *type, char *fmt, va_list args)
{
printf(type);
vprintf(fmt, args);
get_any_response();
// printf("\n");
}
void error_message(char *msg, ...)
{
va_list args;
va_start(args, msg);
va_end(args);
blocking_msg("> Error! ", msg, args);
unset_param(MODE_AUTOMATIC);
}
void info_message(char *msg, ...)
{
va_list args;
va_start(args, msg);
va_end(args);
if (!IS_AUTOMATIC)
blocking_msg("> Notice: ", msg, args);
else
vlog_message(msg, args);
}
void wait_message(char *msg, ...)
{
va_list args;
printf("Please wait: ");
va_start(args, msg);
vprintf(msg, args);
va_end(args);
fflush(stdout);
}
void remove_wait_message(void)
{
printf("\n");
}
static int size_progress;
static int actually_drawn;
#define PROGRESS_SIZE 60
void init_progression(char *msg, int size)
{
int i;
size_progress = size;
printf("%s\n", msg);
if (size) {
printf("[");
actually_drawn = 0;
for (i=0; i<PROGRESS_SIZE; i++)
printf(".");
printf("]\033[G["); /* only works on ANSI-compatibles */
fflush(stdout);
}
}
void update_progression(int current_size)
{
if (size_progress) {
while ((int)((current_size*PROGRESS_SIZE)/size_progress) > actually_drawn) {
printf("*");
actually_drawn++;
}
} else
printf("\033[G%d bytes read", current_size);
fflush(stdout);
}
void end_progression(void)
{
if (size_progress) {
update_progression(size_progress);
printf("]\n");
} else
printf(" done.\n");
}
enum return_type ask_from_list_comments(char *msg, char ** elems, char ** elems_comments, char ** choice)
{
char ** sav_elems = elems;
int i, j;
printf("> %s\n(0) Cancel\n", msg);
i = 1;
while (elems && *elems) {
printf("(%d) %s (%s)\n", i, *elems, *elems_comments);
i++;
elems++;
elems_comments++;
}
printf("? ");
j = get_int_response();
if (j == 0)
return RETURN_BACK;
if (j >= 1 && j < i) {
*choice = strdup(sav_elems[j-1]);
return RETURN_OK;
}
return RETURN_ERROR;
}
enum return_type ask_from_list(char *msg, char ** elems, char ** choice)
{
char ** sav_elems = elems;
int i, j;
printf("> %s\n(0) Cancel\n", msg);
i = 1;
while (elems && *elems) {
printf("(%d) %s\n", i, *elems);
i++;
elems++;
}
printf("? ");
j = get_int_response();
if (j == 0)
return RETURN_BACK;
if (j >= 1 && j < i) {
*choice = strdup(sav_elems[j-1]);
return RETURN_OK;
}
return RETURN_ERROR;
}
enum return_type ask_yes_no(char *msg)
{
int j;
printf("> %s\n(0) Yes\n(1) No\n(2) Back\n? ", msg);
j = get_int_response();
if (j == 0)
return RETURN_OK;
else if (j == 2)
return RETURN_BACK;
else return RETURN_ERROR;
}
enum return_type ask_from_entries(char *msg, char ** questions, char *** answers, int entry_size)
{
int j, i = 0;
printf("> %s\n", msg);
while (questions && *questions) {
printf("(%c) %s\n", i + 'a', *questions);
i++;
questions++;
}
*answers = (char **) malloc(sizeof(char *) * i);
while (1) {
int r;
for (j = 0 ; j < i ; j++) {
printf("(%c) ? ", j + 'a');
(*answers)[j] = get_string_response();
}
printf("(0) Cancel (1) Accept (2) Re-enter answers\n? ");
r = get_int_response();
if (r == 0)
return RETURN_BACK;
if (r == 1)
return RETURN_OK;
}
}
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