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1da177e4 LT |
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 | ||
b1c5f1c6 | 24 | static void Usage(const char *name); |
1da177e4 | 25 | |
b1c5f1c6 | 26 | typedef int (jumperFn) (const char *title, int argc, const char *const *argv); |
1da177e4 LT |
27 | |
28 | struct Mode { | |
b1c5f1c6 SR |
29 | char *name; |
30 | int argmin, argmax, argmod; | |
31 | jumperFn *jumper; | |
1da177e4 LT |
32 | }; |
33 | ||
00213b17 | 34 | jumperFn j_menu, j_radiolist, j_yesno, j_textbox, j_inputbox; |
1da177e4 LT |
35 | jumperFn j_msgbox, j_infobox; |
36 | ||
b1c5f1c6 SR |
37 | static struct Mode modes[] = { |
38 | {"--menu", 9, 0, 3, j_menu}, | |
b1c5f1c6 SR |
39 | {"--radiolist", 9, 0, 3, j_radiolist}, |
40 | {"--yesno", 5, 5, 1, j_yesno}, | |
41 | {"--textbox", 5, 5, 1, j_textbox}, | |
42 | {"--inputbox", 5, 6, 1, j_inputbox}, | |
43 | {"--msgbox", 5, 5, 1, j_msgbox}, | |
44 | {"--infobox", 5, 5, 1, j_infobox}, | |
45 | {NULL, 0, 0, 0, NULL} | |
1da177e4 LT |
46 | }; |
47 | ||
48 | static struct Mode *modePtr; | |
49 | ||
50 | #ifdef LOCALE | |
51 | #include <locale.h> | |
52 | #endif | |
53 | ||
b1c5f1c6 | 54 | int main(int argc, const char *const *argv) |
1da177e4 | 55 | { |
b1c5f1c6 SR |
56 | int offset = 0, opt_clear = 0, end_common_opts = 0, retval; |
57 | const char *title = NULL; | |
1da177e4 LT |
58 | |
59 | #ifdef LOCALE | |
b1c5f1c6 | 60 | (void)setlocale(LC_ALL, ""); |
1da177e4 LT |
61 | #endif |
62 | ||
63 | #ifdef TRACE | |
b1c5f1c6 | 64 | trace(TRACE_CALLS | TRACE_UPDATE); |
1da177e4 | 65 | #endif |
b1c5f1c6 SR |
66 | if (argc < 2) { |
67 | Usage(argv[0]); | |
68 | exit(-1); | |
69 | } | |
70 | ||
71 | while (offset < argc - 1 && !end_common_opts) { /* Common options */ | |
72 | if (!strcmp(argv[offset + 1], "--title")) { | |
73 | if (argc - offset < 3 || title != NULL) { | |
74 | Usage(argv[0]); | |
75 | exit(-1); | |
76 | } else { | |
77 | title = argv[offset + 2]; | |
78 | offset += 2; | |
79 | } | |
80 | } else if (!strcmp(argv[offset + 1], "--backtitle")) { | |
81 | if (backtitle != NULL) { | |
82 | Usage(argv[0]); | |
83 | exit(-1); | |
84 | } else { | |
85 | backtitle = argv[offset + 2]; | |
86 | offset += 2; | |
87 | } | |
88 | } else if (!strcmp(argv[offset + 1], "--clear")) { | |
89 | if (opt_clear) { /* Hey, "--clear" can't appear twice! */ | |
90 | Usage(argv[0]); | |
91 | exit(-1); | |
92 | } else if (argc == 2) { /* we only want to clear the screen */ | |
93 | init_dialog(); | |
94 | refresh(); /* init_dialog() will clear the screen for us */ | |
95 | end_dialog(); | |
96 | return 0; | |
97 | } else { | |
98 | opt_clear = 1; | |
99 | offset++; | |
100 | } | |
101 | } else /* no more common options */ | |
102 | end_common_opts = 1; | |
103 | } | |
104 | ||
105 | if (argc - 1 == offset) { /* no more options */ | |
106 | Usage(argv[0]); | |
107 | exit(-1); | |
108 | } | |
109 | /* use a table to look for the requested mode, to avoid code duplication */ | |
110 | ||
111 | for (modePtr = modes; modePtr->name; modePtr++) /* look for the mode */ | |
112 | if (!strcmp(argv[offset + 1], modePtr->name)) | |
113 | break; | |
114 | ||
115 | if (!modePtr->name) | |
116 | Usage(argv[0]); | |
117 | if (argc - offset < modePtr->argmin) | |
118 | Usage(argv[0]); | |
119 | if (modePtr->argmax && argc - offset > modePtr->argmax) | |
120 | Usage(argv[0]); | |
121 | ||
122 | init_dialog(); | |
123 | retval = (*(modePtr->jumper)) (title, argc - offset, argv + offset); | |
124 | ||
125 | if (opt_clear) { /* clear screen before exit */ | |
126 | attr_clear(stdscr, LINES, COLS, screen_attr); | |
127 | refresh(); | |
128 | } | |
129 | end_dialog(); | |
130 | ||
131 | exit(retval); | |
1da177e4 LT |
132 | } |
133 | ||
134 | /* | |
135 | * Print program usage | |
136 | */ | |
b1c5f1c6 | 137 | static void Usage(const char *name) |
1da177e4 | 138 | { |
b1c5f1c6 | 139 | fprintf(stderr, "\ |
1da177e4 LT |
140 | \ndialog, by Savio Lam (lam836@cs.cuhk.hk).\ |
141 | \n patched by Stuart Herbert (S.Herbert@shef.ac.uk)\ | |
142 | \n modified/gutted for use as a Linux kernel config tool by \ | |
143 | \n William Roadcap (roadcapw@cfw.com)\ | |
144 | \n\ | |
145 | \n* Display dialog boxes from shell scripts *\ | |
146 | \n\ | |
147 | \nUsage: %s --clear\ | |
148 | \n %s [--title <title>] [--backtitle <backtitle>] --clear <Box options>\ | |
149 | \n\ | |
150 | \nBox options:\ | |
151 | \n\ | |
152 | \n --menu <text> <height> <width> <menu height> <tag1> <item1>...\ | |
1da177e4 LT |
153 | \n --radiolist <text> <height> <width> <list height> <tag1> <item1> <status1>...\ |
154 | \n --textbox <file> <height> <width>\ | |
155 | \n --inputbox <text> <height> <width> [<init>]\ | |
156 | \n --yesno <text> <height> <width>\ | |
157 | \n", name, name); | |
b1c5f1c6 | 158 | exit(-1); |
1da177e4 LT |
159 | } |
160 | ||
161 | /* | |
162 | * These are the program jumpers | |
163 | */ | |
164 | ||
b1c5f1c6 | 165 | int j_menu(const char *t, int ac, const char *const *av) |
1da177e4 | 166 | { |
b1c5f1c6 SR |
167 | return dialog_menu(t, av[2], atoi(av[3]), atoi(av[4]), |
168 | atoi(av[5]), av[6], (ac - 6) / 2, av + 7); | |
1da177e4 LT |
169 | } |
170 | ||
b1c5f1c6 | 171 | int j_radiolist(const char *t, int ac, const char *const *av) |
1da177e4 | 172 | { |
b1c5f1c6 | 173 | return dialog_checklist(t, av[2], atoi(av[3]), atoi(av[4]), |
00213b17 | 174 | atoi(av[5]), (ac - 6) / 3, av + 6); |
1da177e4 LT |
175 | } |
176 | ||
b1c5f1c6 | 177 | int j_textbox(const char *t, int ac, const char *const *av) |
1da177e4 | 178 | { |
b1c5f1c6 | 179 | return dialog_textbox(t, av[2], atoi(av[3]), atoi(av[4])); |
1da177e4 LT |
180 | } |
181 | ||
b1c5f1c6 | 182 | int j_yesno(const char *t, int ac, const char *const *av) |
1da177e4 | 183 | { |
b1c5f1c6 | 184 | return dialog_yesno(t, av[2], atoi(av[3]), atoi(av[4])); |
1da177e4 LT |
185 | } |
186 | ||
b1c5f1c6 | 187 | int j_inputbox(const char *t, int ac, const char *const *av) |
1da177e4 | 188 | { |
b1c5f1c6 SR |
189 | int ret = dialog_inputbox(t, av[2], atoi(av[3]), atoi(av[4]), |
190 | ac == 6 ? av[5] : (char *)NULL); | |
191 | if (ret == 0) | |
192 | fprintf(stderr, dialog_input_result); | |
193 | return ret; | |
1da177e4 LT |
194 | } |
195 | ||
b1c5f1c6 | 196 | int j_msgbox(const char *t, int ac, const char *const *av) |
1da177e4 | 197 | { |
b1c5f1c6 | 198 | return dialog_msgbox(t, av[2], atoi(av[3]), atoi(av[4]), 1); |
1da177e4 LT |
199 | } |
200 | ||
b1c5f1c6 | 201 | int j_infobox(const char *t, int ac, const char *const *av) |
1da177e4 | 202 | { |
b1c5f1c6 | 203 | return dialog_msgbox(t, av[2], atoi(av[3]), atoi(av[4]), 0); |
1da177e4 | 204 | } |