misc/confdialog/confdialog.c

   1 /*
   2  * --- T2-COPYRIGHT-NOTE-BEGIN ---
   3  * This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   4  *
   5  * T2 SDE: misc/confdialog/confdialog.c
   6  * Copyright (C) 2004 - 2005 The T2 SDE Project
   7  * Copyright (C) 1998 - 2003 ROCK Linux Project
   8  *
   9  * More information can be found in the files COPYING and README.
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; version 2 of the License. A copy of the
  14  * GNU General Public License can be found in the file COPYING.
  15  * --- T2-COPYRIGHT-NOTE-END ---
  16  */
  17 /*
  18  *  dialog - Display simple dialog boxes from shell scripts
  19  *
  20  *  ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
  21  *  MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
  22  *  MODIFIED FOR ROCK LINUX CONFIG BY: Clifford Wolf (clifford@clifford.at)
  23  *
  24  *  This program is free software; you can redistribute it and/or
  25  *  modify it under the terms of the GNU General Public License
  26  *  as published by the Free Software Foundation; either version 2
  27  *  of the License, or (at your option) any later version.
  28  *
  29  *  This program is distributed in the hope that it will be useful,
  30  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  31  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  32  *  GNU General Public License for more details.
  33  *
  34  *  You should have received a copy of the GNU General Public License
  35  *  along with this program; if not, write to the Free Software
  36  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  37  */
  38
  39 #include "dialog.h"
  40
  41 static void Usage (const char *name);
  42
  43 typedef int (jumperFn) (const char *title, int argc, const char * const * argv);
  44
  45 struct Mode {
  46     char *name;
  47     int argmin, argmax, argmod;
  48     jumperFn *jumper;
  49 };
  50
  51 jumperFn j_menu, j_checklist, j_radiolist, j_yesno, j_textbox, j_inputbox;
  52 jumperFn j_msgbox, j_infobox;
  53
  54 static struct Mode modes[] =
  55 {
  56     {"--menu", 9, 0, 3, j_menu},
  57     {"--checklist", 9, 0, 3, j_checklist},
  58     {"--radiolist", 9, 0, 3, j_radiolist},
  59     {"--yesno",    5,5,1, j_yesno},
  60     {"--textbox",  5,5,1, j_textbox},
  61     {"--inputbox", 5, 6, 1, j_inputbox},
  62     {"--msgbox", 5, 5, 1, j_msgbox},
  63     {"--infobox", 5, 5, 1, j_infobox},
  64     {NULL, 0, 0, 0, NULL}
  65 };
  66
  67 static struct Mode *modePtr;
  68
  69 #ifdef LOCALE
  70 #include <locale.h>
  71 #endif
  72
  73 int
  74 main (int argc, const char * const * argv)
  75 {
  76     int offset = 0, clear_screen = 0, end_common_opts = 0, retval;
  77     const char *title = NULL;
  78
  79 #ifdef LOCALE
  80     (void) setlocale (LC_ALL, "");
  81 #endif
  82
  83 #ifdef TRACE
  84     trace(TRACE_CALLS|TRACE_UPDATE);
  85 #endif
  86     if (argc < 2) {
  87         Usage (argv[0]);
  88         exit (-1);
  89     }
  90
  91     while (offset < argc - 1 && !end_common_opts) {     /* Common options */
  92         if (!strcmp (argv[offset + 1], "--title")) {
  93             if (argc - offset < 3 || title != NULL) {
  94                 Usage (argv[0]);
  95                 exit (-1);
  96             } else {
  97                 title = argv[offset + 2];
  98                 offset += 2;
  99             }
 100         } else if (!strcmp (argv[offset + 1], "--backtitle")) {
 101             if (backtitle != NULL) {
 102                 Usage (argv[0]);
 103                 exit (-1);
 104             } else {
 105                 backtitle = argv[offset + 2];
 106                 offset += 2;
 107             }
 108         } else if (!strcmp (argv[offset + 1], "--clear")) {
 109             if (clear_screen) { /* Hey, "--clear" can't appear twice! */
 110                 Usage (argv[0]);
 111                 exit (-1);
 112             } else if (argc == 2) {     /* we only want to clear the screen */
 113                 init_dialog ();
 114                 refresh ();     /* init_dialog() will clear the screen for us */
 115                 end_dialog ();
 116                 return 0;
 117             } else {
 118                 clear_screen = 1;
 119                 offset++;
 120             }
 121         } else                  /* no more common options */
 122             end_common_opts = 1;
 123     }
 124
 125     if (argc - 1 == offset) {   /* no more options */
 126         Usage (argv[0]);
 127         exit (-1);
 128     }
 129     /* use a table to look for the requested mode, to avoid code duplication */
 130
 131     for (modePtr = modes; modePtr->name; modePtr++)     /* look for the mode */
 132         if (!strcmp (argv[offset + 1], modePtr->name))
 133             break;
 134
 135     if (!modePtr->name)
 136         Usage (argv[0]);
 137     if (argc - offset < modePtr->argmin)
 138         Usage (argv[0]);
 139     if (modePtr->argmax && argc - offset > modePtr->argmax)
 140         Usage (argv[0]);
 141
 142
 143
 144     init_dialog ();
 145     retval = (*(modePtr->jumper)) (title, argc - offset, argv + offset);
 146
 147     if (clear_screen) {         /* clear screen before exit */
 148         attr_clear (stdscr, LINES, COLS, screen_attr);
 149         refresh ();
 150     }
 151     end_dialog();
 152
 153     exit (retval);
 154 }
 155
 156 /*
 157  * Print program usage
 158  */
 159 static void
 160 Usage (const char *name)
 161 {
 162     fprintf (stderr, "\
 163 \ndialog, by Savio Lam (lam836@cs.cuhk.hk).\
 164 \n  patched by Stuart Herbert (S.Herbert@shef.ac.uk)\
 165 \n  modified/gutted for use as a Linux kernel config tool by \
 166 \n  William Roadcap (roadcapw@cfw.com)\
 167 \n  modified/gutted for use as a ROCK Linux config tool by \
 168 \n  Clifford Wolf (clifford@clifford.at)\
 169 \n\
 170 \n* Display dialog boxes from shell scripts *\
 171 \n\
 172 \nUsage: %s --clear\
 173 \n       %s [--title <title>] [--backtitle <backtitle>] --clear <Box options>\
 174 \n\
 175 \nBox options:\
 176 \n\
 177 \n  --menu      <text> <height> <width> <menu height> <active item> <tag1> <item1>...\
 178 \n  --checklist <text> <height> <width> <list height> <tag1> <item1> <status1>...\
 179 \n  --radiolist <text> <height> <width> <list height> <tag1> <item1> <status1>...\
 180 \n  --textbox   <file> <height> <width>\
 181 \n  --inputbox  <text> <height> <width> [<init>]\
 182 \n  --yesno     <text> <height> <width>\
 183 \n", name, name);
 184     exit (-1);
 185 }
 186
 187 /*
 188  * These are the program jumpers
 189  */
 190
 191 int
 192 j_menu (const char *t, int ac, const char * const * av)
 193 {
 194     return dialog_menu (t, av[2], atoi (av[3]), atoi (av[4]),
 195                         atoi (av[5]), av[6], (ac - 6) / 2, av + 7);
 196 }
 197
 198 int
 199 j_checklist (const char *t, int ac, const char * const * av)
 200 {
 201     return dialog_checklist (t, av[2], atoi (av[3]), atoi (av[4]),
 202         atoi (av[5]), (ac - 6) / 3, av + 6, FLAG_CHECK);
 203 }
 204
 205 int
 206 j_radiolist (const char *t, int ac, const char * const * av)
 207 {
 208     return dialog_checklist (t, av[2], atoi (av[3]), atoi (av[4]),
 209         atoi (av[5]), (ac - 6) / 3, av + 6, FLAG_RADIO);
 210 }
 211
 212 int
 213 j_textbox (const char *t, int ac, const char * const * av)
 214 {
 215     return dialog_textbox (t, av[2], atoi (av[3]), atoi (av[4]));
 216 }
 217
 218 int
 219 j_yesno (const char *t, int ac, const char * const * av)
 220 {
 221     return dialog_yesno (t, av[2], atoi (av[3]), atoi (av[4]));
 222 }
 223
 224 int
 225 j_inputbox (const char *t, int ac, const char * const * av)
 226 {
 227     int ret = dialog_inputbox (t, av[2], atoi (av[3]), atoi (av[4]),
 228                             ac == 6 ? av[5] : (char *) NULL);
 229     if (ret == 0)
 230         fprintf(stderr, dialog_input_result);
 231     return ret;
 232 }
 233
 234 int
 235 j_msgbox (const char *t, int ac, const char * const * av)
 236 {
 237     return dialog_msgbox (t, av[2], atoi (av[3]), atoi (av[4]), 1);
 238 }
 239
 240 int
 241 j_infobox (const char *t, int ac, const char * const * av)
 242 {
 243     return dialog_msgbox (t, av[2], atoi (av[3]), atoi (av[4]), 0);
 244 }
 245