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- /*
- * dialog - Display simple dialog boxes from shell scripts
- *
- * AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
- *
- * 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);
-
- static int separate_output = 0;
-
- typedef int (jumperFn) (const char *title, int argc, const char * const * argv);
-
- struct Mode {
- char *name;
- int argmin, argmax, argmod;
- jumperFn *jumper;
- };
-
- jumperFn j_yesno, j_msgbox, j_infobox, j_textbox, j_menu;
- jumperFn j_checklist, j_radiolist, j_inputbox, j_guage;
-
- /*
- * All functions are used in the slackware root disk, apart from "guage"
- */
-
- static struct Mode modes[] =
- {
- {"--yesno", 5, 5, 1, j_yesno},
- {"--msgbox", 5, 5, 1, j_msgbox},
- {"--infobox", 5, 5, 1, j_infobox},
- {"--textbox", 5, 5, 1, j_textbox},
- {"--menu", 8, 0, 2, j_menu},
- {"--checklist", 9, 0, 3, j_checklist},
- {"--radiolist", 9, 0, 3, j_radiolist},
- {"--inputbox", 5, 6, 1, j_inputbox},
- #ifdef HAVE_GUAGE
- {"--guage", 6, 6, 1, j_guage},
- #endif
- {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
-
- if (argc < 2) {
- Usage (argv[0]);
- exit (-1);
- }
- #ifdef HAVE_RC_FILE
-
- else if (!strcmp (argv[1], "--create-rc")) {
- #ifdef HAVE_NCURSES
- if (argc != 3) {
- Usage (argv[0]);
- exit (-1);
- }
- create_rc (argv[2]);
- return 0;
- #else
- fprintf (stderr, "This option is currently unsupported "
- "on your system.\n");
- return -1;
- #endif
- }
- #endif
-
- 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], "--separate-output")) {
- separate_output = 1;
- offset++;
- } 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]);
- if ((argc - offset) % modePtr->argmod)
- 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 version 0.3, by Savio Lam (lam836@cs.cuhk.hk).\
- \n patched to version %s by Stuart Herbert (S.Herbert@shef.ac.uk)\
- \n\
- \n* Display dialog boxes from shell scripts *\
- \n\
- \nUsage: %s --clear\
- \n %s --create-rc <file>\
- \n %s [--title <title>] [--separate-output] [--backtitle <backtitle>] [--clear] <Box options>\
- \n\
- \nBox options:\
- \n\
- \n --yesno <text> <height> <width>\
- \n --msgbox <text> <height> <width>\
- \n --infobox <text> <height> <width>\
- \n --inputbox <text> <height> <width> [<init>]\
- \n --textbox <file> <height> <width>\
- \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 --guage <text> <height> <width> <percent>\n", VERSION, name, name, name);
- exit (-1);
- }
-
- /*
- * These are the program jumpers
- */
-
- 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_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);
- }
-
- 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_menu (const char *t, int ac, const char * const * av)
- {
- int ret = dialog_menu (t, av[2], atoi (av[3]), atoi (av[4]),
- atoi (av[5]), (ac - 6) / 2, av + 6);
- if (ret >= 0) {
- fprintf(stderr, av[6 + ret * 2]);
- return 0;
- } else if (ret == -2)
- return 1; /* CANCEL */
- return ret; /* ESC pressed, ret == -1 */
- }
-
- 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, separate_output);
- }
-
- 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, separate_output);
- }
-
- 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;
- }
-
- #ifdef HAVE_GUAGE
- int
- j_guage (const char *t, int ac, const char * const * av)
- {
- return dialog_guage (t, av[2], atoi (av[3]), atoi (av[4]),
- atoi (av[5]));
- }
- #endif
-