[1765] | 1 | /*
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| 2 | * dialog - Display simple dialog boxes from shell scripts
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| 3 | *
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| 4 | * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
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| 5 | * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
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| 6 | *
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| 7 | * This program is free software; you can redistribute it and/or
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| 8 | * modify it under the terms of the GNU General Public License
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| 9 | * as published by the Free Software Foundation; either version 2
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| 10 | * of the License, or (at your option) any later version.
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| 11 | *
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| 12 | * This program is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 20 | */
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| 21 |
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| 22 | #include "dialog.h"
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| 23 |
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| 24 | static void Usage(const char *name);
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| 25 |
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| 26 | typedef int (jumperFn) (const char *title, int argc, const char *const *argv);
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| 27 |
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| 28 | struct Mode {
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| 29 | char *name;
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| 30 | int argmin, argmax, argmod;
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| 31 | jumperFn *jumper;
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| 32 | };
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| 33 |
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| 34 | jumperFn j_menu, j_radiolist, j_yesno, j_textbox, j_inputbox;
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| 35 | jumperFn j_msgbox, j_infobox;
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| 36 |
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| 37 | static struct Mode modes[] = {
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| 38 | {"--menu", 9, 0, 3, j_menu},
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| 39 | {"--radiolist", 9, 0, 3, j_radiolist},
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| 40 | {"--yesno", 5, 5, 1, j_yesno},
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| 41 | {"--textbox", 5, 5, 1, j_textbox},
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| 42 | {"--inputbox", 5, 6, 1, j_inputbox},
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| 43 | {"--msgbox", 5, 5, 1, j_msgbox},
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| 44 | {"--infobox", 5, 5, 1, j_infobox},
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| 45 | {NULL, 0, 0, 0, NULL}
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| 46 | };
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| 47 |
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| 48 | static struct Mode *modePtr;
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| 49 |
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| 50 | #ifdef LOCALE
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| 51 | #include <locale.h>
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| 52 | #endif
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| 53 |
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| 54 | int main(int argc, const char *const *argv)
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| 55 | {
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| 56 | int offset = 0, opt_clear = 0, end_common_opts = 0, retval;
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| 57 | const char *title = NULL;
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| 58 |
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| 59 | #ifdef LOCALE
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| 60 | (void)setlocale(LC_ALL, "");
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| 61 | #endif
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| 62 |
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| 63 | #ifdef TRACE
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| 64 | trace(TRACE_CALLS | TRACE_UPDATE);
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| 65 | #endif
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| 66 | if (argc < 2) {
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| 67 | Usage(argv[0]);
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| 68 | exit(-1);
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| 69 | }
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| 70 |
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| 71 | while (offset < argc - 1 && !end_common_opts) { /* Common options */
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| 72 | if (!strcmp(argv[offset + 1], "--title")) {
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| 73 | if (argc - offset < 3 || title != NULL) {
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| 74 | Usage(argv[0]);
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| 75 | exit(-1);
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| 76 | } else {
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| 77 | title = argv[offset + 2];
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| 78 | offset += 2;
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| 79 | }
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| 80 | } else if (!strcmp(argv[offset + 1], "--backtitle")) {
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| 81 | if (backtitle != NULL) {
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| 82 | Usage(argv[0]);
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| 83 | exit(-1);
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| 84 | } else {
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| 85 | backtitle = argv[offset + 2];
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| 86 | offset += 2;
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| 87 | }
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| 88 | } else if (!strcmp(argv[offset + 1], "--clear")) {
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| 89 | if (opt_clear) { /* Hey, "--clear" can't appear twice! */
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| 90 | Usage(argv[0]);
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| 91 | exit(-1);
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| 92 | } else if (argc == 2) { /* we only want to clear the screen */
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| 93 | init_dialog();
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| 94 | refresh(); /* init_dialog() will clear the screen for us */
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| 95 | end_dialog();
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| 96 | return 0;
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| 97 | } else {
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| 98 | opt_clear = 1;
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| 99 | offset++;
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| 100 | }
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| 101 | } else /* no more common options */
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| 102 | end_common_opts = 1;
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| 103 | }
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| 104 |
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| 105 | if (argc - 1 == offset) { /* no more options */
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| 106 | Usage(argv[0]);
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| 107 | exit(-1);
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| 108 | }
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| 109 | /* use a table to look for the requested mode, to avoid code duplication */
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| 110 |
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| 111 | for (modePtr = modes; modePtr->name; modePtr++) /* look for the mode */
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| 112 | if (!strcmp(argv[offset + 1], modePtr->name))
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| 113 | break;
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| 114 |
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| 115 | if (!modePtr->name)
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| 116 | Usage(argv[0]);
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| 117 | if (argc - offset < modePtr->argmin)
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| 118 | Usage(argv[0]);
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| 119 | if (modePtr->argmax && argc - offset > modePtr->argmax)
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| 120 | Usage(argv[0]);
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| 121 |
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| 122 | init_dialog();
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| 123 | retval = (*(modePtr->jumper)) (title, argc - offset, argv + offset);
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| 124 |
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| 125 | if (opt_clear) { /* clear screen before exit */
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| 126 | attr_clear(stdscr, LINES, COLS, screen_attr);
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| 127 | refresh();
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| 128 | }
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| 129 | end_dialog();
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| 130 |
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| 131 | exit(retval);
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| 132 | }
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| 133 |
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| 134 | /*
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| 135 | * Print program usage
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| 136 | */
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| 137 | static void Usage(const char *name)
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| 138 | {
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| 139 | fprintf(stderr, "\
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| 140 | \ndialog, by Savio Lam (lam836@cs.cuhk.hk).\
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| 141 | \n patched by Stuart Herbert (S.Herbert@shef.ac.uk)\
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| 142 | \n modified/gutted for use as a Linux kernel config tool by \
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| 143 | \n William Roadcap (roadcapw@cfw.com)\
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| 144 | \n\
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| 145 | \n* Display dialog boxes from shell scripts *\
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| 146 | \n\
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| 147 | \nUsage: %s --clear\
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| 148 | \n %s [--title <title>] [--backtitle <backtitle>] --clear <Box options>\
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| 149 | \n\
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| 150 | \nBox options:\
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| 151 | \n\
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| 152 | \n --menu <text> <height> <width> <menu height> <tag1> <item1>...\
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| 153 | \n --radiolist <text> <height> <width> <list height> <tag1> <item1> <status1>...\
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| 154 | \n --textbox <file> <height> <width>\
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| 155 | \n --inputbox <text> <height> <width> [<init>]\
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| 156 | \n --yesno <text> <height> <width>\
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| 157 | \n", name, name);
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| 158 | exit(-1);
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| 159 | }
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| 160 |
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| 161 | /*
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| 162 | * These are the program jumpers
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| 163 | */
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| 164 |
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| 165 | int j_menu(const char *t, int ac, const char *const *av)
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| 166 | {
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| 167 | return dialog_menu(t, av[2], atoi(av[3]), atoi(av[4]),
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| 168 | atoi(av[5]), av[6], (ac - 6) / 2, av + 7);
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| 169 | }
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| 170 |
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| 171 | int j_radiolist(const char *t, int ac, const char *const *av)
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| 172 | {
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| 173 | return dialog_checklist(t, av[2], atoi(av[3]), atoi(av[4]),
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| 174 | atoi(av[5]), (ac - 6) / 3, av + 6);
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| 175 | }
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| 176 |
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| 177 | int j_textbox(const char *t, int ac, const char *const *av)
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| 178 | {
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| 179 | return dialog_textbox(t, av[2], atoi(av[3]), atoi(av[4]));
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| 180 | }
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| 181 |
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| 182 | int j_yesno(const char *t, int ac, const char *const *av)
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| 183 | {
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| 184 | return dialog_yesno(t, av[2], atoi(av[3]), atoi(av[4]));
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| 185 | }
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| 186 |
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| 187 | int j_inputbox(const char *t, int ac, const char *const *av)
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| 188 | {
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| 189 | int ret = dialog_inputbox(t, av[2], atoi(av[3]), atoi(av[4]),
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| 190 | ac == 6 ? av[5] : (char *)NULL);
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| 191 | if (ret == 0)
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| 192 | fprintf(stderr, dialog_input_result);
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| 193 | return ret;
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| 194 | }
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| 195 |
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| 196 | int j_msgbox(const char *t, int ac, const char *const *av)
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| 197 | {
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| 198 | return dialog_msgbox(t, av[2], atoi(av[3]), atoi(av[4]), 1);
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| 199 | }
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| 200 |
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| 201 | int j_infobox(const char *t, int ac, const char *const *av)
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| 202 | {
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| 203 | return dialog_msgbox(t, av[2], atoi(av[3]), atoi(av[4]), 0);
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| 204 | }
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