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