Viewing file:  lxdialog.c (5.88 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/*
* dialog - Display simple dialog boxes from shell scripts
*
* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "dialog.h"
static void Usage (const char *name);
typedef int (jumperFn) (const char *title, int argc, const char * const * argv);
struct Mode {
char *name;
int argmin, argmax, argmod;
jumperFn *jumper;
};
jumperFn j_menu, j_checklist, j_radiolist, j_yesno, j_textbox, j_inputbox;
jumperFn j_msgbox, j_infobox;
static struct Mode modes[] =
{
{"--menu", 9, 0, 3, j_menu},
{"--checklist", 9, 0, 3, j_checklist},
{"--radiolist", 9, 0, 3, j_radiolist},
{"--yesno", 5,5,1, j_yesno},
{"--textbox", 5,5,1, j_textbox},
{"--inputbox", 5, 6, 1, j_inputbox},
{"--msgbox", 5, 5, 1, j_msgbox},
{"--infobox", 5, 5, 1, j_infobox},
{NULL, 0, 0, 0, NULL}
};
static struct Mode *modePtr;
#ifdef LOCALE
#include <locale.h>
#endif
int
main (int argc, const char * const * argv)
{
int offset = 0, clear_screen = 0, end_common_opts = 0, retval;
const char *title = NULL;
#ifdef LOCALE
(void) setlocale (LC_ALL, "");
#endif
#ifdef TRACE
trace(TRACE_CALLS|TRACE_UPDATE);
#endif
if (argc < 2) {
Usage (argv[0]);
exit (-1);
}
while (offset < argc - 1 && !end_common_opts) { /* Common options */
if (!strcmp (argv[offset + 1], "--title")) {
if (argc - offset < 3 || title != NULL) {
Usage (argv[0]);
exit (-1);
} else {
title = argv[offset + 2];
offset += 2;
}
} else if (!strcmp (argv[offset + 1], "--backtitle")) {
if (backtitle != NULL) {
Usage (argv[0]);
exit (-1);
} else {
backtitle = argv[offset + 2];
offset += 2;
}
} else if (!strcmp (argv[offset + 1], "--clear")) {
if (clear_screen) { /* Hey, "--clear" can't appear twice! */
Usage (argv[0]);
exit (-1);
} else if (argc == 2) { /* we only want to clear the screen */
init_dialog ();
refresh (); /* init_dialog() will clear the screen for us */
end_dialog ();
return 0;
} else {
clear_screen = 1;
offset++;
}
} else /* no more common options */
end_common_opts = 1;
}
if (argc - 1 == offset) { /* no more options */
Usage (argv[0]);
exit (-1);
}
/* use a table to look for the requested mode, to avoid code duplication */
for (modePtr = modes; modePtr->name; modePtr++) /* look for the mode */
if (!strcmp (argv[offset + 1], modePtr->name))
break;
if (!modePtr->name)
Usage (argv[0]);
if (argc - offset < modePtr->argmin)
Usage (argv[0]);
if (modePtr->argmax && argc - offset > modePtr->argmax)
Usage (argv[0]);
init_dialog ();
retval = (*(modePtr->jumper)) (title, argc - offset, argv + offset);
if (clear_screen) { /* clear screen before exit */
attr_clear (stdscr, LINES, COLS, screen_attr);
refresh ();
}
end_dialog();
exit (retval);
}
/*
* Print program usage
*/
static void
Usage (const char *name)
{
fprintf (stderr, "\
\ndialog, by Savio Lam (lam836@cs.cuhk.hk).\
\n patched by Stuart Herbert (S.Herbert@shef.ac.uk)\
\n modified/gutted for use as a Linux kernel config tool by \
\n William Roadcap (roadcapw@cfw.com)\
\n\
\n* Display dialog boxes from shell scripts *\
\n\
\nUsage: %s --clear\
\n %s [--title <title>] [--backtitle <backtitle>] --clear <Box options>\
\n\
\nBox options:\
\n\
\n --menu <text> <height> <width> <menu height> <tag1> <item1>...\
\n --checklist <text> <height> <width> <list height> <tag1> <item1> <status1>...\
\n --radiolist <text> <height> <width> <list height> <tag1> <item1> <status1>...\
\n --textbox <file> <height> <width>\
\n --inputbox <text> <height> <width> [<init>]\
\n --yesno <text> <height> <width>\
\n", name, name);
exit (-1);
}
/*
* These are the program jumpers
*/
int
j_menu (const char *t, int ac, const char * const * av)
{
return dialog_menu (t, av[2], atoi (av[3]), atoi (av[4]),
atoi (av[5]), av[6], (ac - 6) / 2, av + 7);
}
int
j_checklist (const char *t, int ac, const char * const * av)
{
return dialog_checklist (t, av[2], atoi (av[3]), atoi (av[4]),
atoi (av[5]), (ac - 6) / 3, av + 6, FLAG_CHECK);
}
int
j_radiolist (const char *t, int ac, const char * const * av)
{
return dialog_checklist (t, av[2], atoi (av[3]), atoi (av[4]),
atoi (av[5]), (ac - 6) / 3, av + 6, FLAG_RADIO);
}
int
j_textbox (const char *t, int ac, const char * const * av)
{
return dialog_textbox (t, av[2], atoi (av[3]), atoi (av[4]));
}
int
j_yesno (const char *t, int ac, const char * const * av)
{
return dialog_yesno (t, av[2], atoi (av[3]), atoi (av[4]));
}
int
j_inputbox (const char *t, int ac, const char * const * av)
{
int ret = dialog_inputbox (t, av[2], atoi (av[3]), atoi (av[4]),
ac == 6 ? av[5] : (char *) NULL);
if (ret == 0)
fprintf(stderr, dialog_input_result);
return ret;
}
int
j_msgbox (const char *t, int ac, const char * const * av)
{
return dialog_msgbox (t, av[2], atoi (av[3]), atoi (av[4]), 1);
}
int
j_infobox (const char *t, int ac, const char * const * av)
{
return dialog_msgbox (t, av[2], atoi (av[3]), atoi (av[4]), 0);
}
|