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
24 static void Usage(const char *name);
25
26 typedef int (jumperFn) (const char *title, int argc, const char *const *argv);
27
28 struct Mode {
29 char *name;
30 int argmin, argmax, argmod;
31 jumperFn *jumper;
32 };
33
34 jumperFn j_menu, j_radiolist, j_yesno, j_textbox, j_inputbox;
35 jumperFn j_msgbox, j_infobox;
36
37 static struct Mode modes[] = {
38 {"--menu", 9, 0, 3, j_menu},
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}
46 };
47
48 static struct Mode *modePtr;
49
50 #ifdef LOCALE
51 #include <locale.h>
52 #endif
53
main(int argc,const char * const * argv)54 int main(int argc, const char *const *argv)
55 {
56 int offset = 0, opt_clear = 0, end_common_opts = 0, retval;
57 const char *title = NULL;
58
59 #ifdef LOCALE
60 (void)setlocale(LC_ALL, "");
61 #endif
62
63 #ifdef TRACE
64 trace(TRACE_CALLS | TRACE_UPDATE);
65 #endif
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);
132 }
133
134 /*
135 * Print program usage
136 */
Usage(const char * name)137 static void Usage(const char *name)
138 {
139 fprintf(stderr, "\
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>...\
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);
158 exit(-1);
159 }
160
161 /*
162 * These are the program jumpers
163 */
164
j_menu(const char * t,int ac,const char * const * av)165 int j_menu(const char *t, int ac, const char *const *av)
166 {
167 return dialog_menu(t, av[2], atoi(av[3]), atoi(av[4]),
168 atoi(av[5]), av[6], (ac - 6) / 2, av + 7);
169 }
170
j_radiolist(const char * t,int ac,const char * const * av)171 int j_radiolist(const char *t, int ac, const char *const *av)
172 {
173 return dialog_checklist(t, av[2], atoi(av[3]), atoi(av[4]),
174 atoi(av[5]), (ac - 6) / 3, av + 6);
175 }
176
j_textbox(const char * t,int ac,const char * const * av)177 int j_textbox(const char *t, int ac, const char *const *av)
178 {
179 return dialog_textbox(t, av[2], atoi(av[3]), atoi(av[4]));
180 }
181
j_yesno(const char * t,int ac,const char * const * av)182 int j_yesno(const char *t, int ac, const char *const *av)
183 {
184 return dialog_yesno(t, av[2], atoi(av[3]), atoi(av[4]));
185 }
186
j_inputbox(const char * t,int ac,const char * const * av)187 int j_inputbox(const char *t, int ac, const char *const *av)
188 {
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, "%s", dialog_input_result);
193 return ret;
194 }
195
j_msgbox(const char * t,int ac,const char * const * av)196 int j_msgbox(const char *t, int ac, const char *const *av)
197 {
198 return dialog_msgbox(t, av[2], atoi(av[3]), atoi(av[4]), 1);
199 }
200
j_infobox(const char * t,int ac,const char * const * av)201 int j_infobox(const char *t, int ac, const char *const *av)
202 {
203 return dialog_msgbox(t, av[2], atoi(av[3]), atoi(av[4]), 0);
204 }
205