1 /* 2 * $Id: dialog.c,v 1.231 2013/09/02 17:20:09 tom Exp $ 3 * 4 * cdialog - Display simple dialog boxes from shell scripts 5 * 6 * Copyright 2000-2012,2013 Thomas E. Dickey 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU Lesser General Public License, version 2.1 10 * as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this program; if not, write to 19 * Free Software Foundation, Inc. 20 * 51 Franklin St., Fifth Floor 21 * Boston, MA 02110, USA. 22 * 23 * An earlier version of this program lists as authors 24 * Savio Lam (lam836@cs.cuhk.hk) 25 */ 26 27 #include <dialog.h> 28 #include <string.h> 29 #include <sys/types.h> 30 #include <sys/stat.h> 31 32 #ifdef HAVE_SETLOCALE 33 #include <locale.h> 34 #endif 35 36 #define PASSARGS t, av, offset_add 37 #define CALLARGS const char *t, char *av[], int *offset_add 38 typedef int (callerFn) (CALLARGS); 39 40 typedef enum { 41 o_unknown = 0 42 ,o_allow_close 43 ,o_and_widget 44 ,o_ascii_lines 45 ,o_aspect 46 ,o_auto_placement 47 ,o_backtitle 48 ,o_beep 49 ,o_beep_after 50 ,o_begin 51 ,o_cancel_label 52 ,o_checklist 53 ,o_clear 54 ,o_colors 55 ,o_column_separator 56 ,o_cr_wrap 57 ,o_create_rc 58 ,o_date_format 59 ,o_default_button 60 ,o_default_item 61 ,o_defaultno 62 ,o_exit_label 63 ,o_extra_button 64 ,o_extra_label 65 ,o_fixed_font 66 ,o_form 67 ,o_gauge 68 ,o_help 69 ,o_help_button 70 ,o_help_file 71 ,o_help_label 72 ,o_help_line 73 ,o_help_status 74 ,o_help_tags 75 ,o_icon 76 ,o_ignore 77 ,o_infobox 78 ,o_input_fd 79 ,o_inputbox 80 ,o_inputmenu 81 ,o_insecure 82 ,o_item_help 83 ,o_keep_colors 84 ,o_keep_tite 85 ,o_keep_window 86 ,o_last_key 87 ,o_max_input 88 ,o_menu 89 ,o_mixedform 90 ,o_mixedgauge 91 ,o_msgbox 92 ,o_no_close 93 ,o_no_collapse 94 ,o_no_cr_wrap 95 ,o_no_kill 96 ,o_no_label 97 ,o_no_lines 98 ,o_no_mouse 99 ,o_no_nl_expand 100 ,o_no_shadow 101 ,o_nocancel 102 ,o_nook 103 ,o_ok_label 104 ,o_output_fd 105 ,o_output_separator 106 ,o_passwordbox 107 ,o_passwordform 108 ,o_pause 109 ,o_prgbox 110 ,o_print_maxsize 111 ,o_print_size 112 ,o_print_version 113 ,o_programbox 114 ,o_progressbox 115 ,o_quoted 116 ,o_radiolist 117 ,o_screen_center 118 ,o_scrollbar 119 ,o_separate_output 120 ,o_separate_widget 121 ,o_separator 122 ,o_shadow 123 ,o_single_quoted 124 ,o_size_err 125 ,o_sleep 126 ,o_smooth 127 ,o_stderr 128 ,o_stdout 129 ,o_tab_correct 130 ,o_tab_len 131 ,o_tailbox 132 ,o_tailboxbg 133 ,o_textbox 134 ,o_time_format 135 ,o_timeout 136 ,o_title 137 ,o_trim 138 ,o_under_mouse 139 ,o_version 140 ,o_visit_items 141 ,o_wmclass 142 ,o_yes_label 143 ,o_yesno 144 #ifdef HAVE_WHIPTAIL 145 ,o_fullbutton 146 ,o_topleft 147 #endif 148 #ifdef HAVE_XDIALOG 149 ,o_calendar 150 ,o_dselect 151 ,o_editbox 152 ,o_fselect 153 ,o_timebox 154 #endif 155 #ifdef HAVE_XDIALOG2 156 ,o_buildlist 157 ,o_rangebox 158 ,o_treeview 159 #endif 160 #if defined(HAVE_XDIALOG2) || defined(HAVE_WHIPTAIL) 161 ,o_no_items 162 ,o_no_tags 163 #endif 164 #ifdef HAVE_DLG_TRACE 165 ,o_trace 166 #endif 167 } eOptions; 168 169 /* 170 * The bits in 'pass' are used to decide which options are applicable at 171 * different stages in the program: 172 * 1 flags before widgets 173 * 2 widgets 174 * 4 non-widget options 175 */ 176 typedef struct { 177 const char *name; 178 eOptions code; 179 int pass; /* 1,2,4 or combination */ 180 const char *help; /* NULL to suppress, non-empty to display params */ 181 } Options; 182 183 typedef struct { 184 eOptions code; 185 int argmin, argmax; 186 callerFn *jumper; 187 } Mode; 188 189 static bool *dialog_opts; 190 static char **dialog_argv; 191 192 static bool ignore_unknown = FALSE; 193 194 static const char *program = "dialog"; 195 196 /* 197 * The options[] table is organized this way to make it simple to maintain 198 * a sorted list of options for the help-message. 199 */ 200 /* *INDENT-OFF* */ 201 static const Options options[] = { 202 { "allow-close", o_allow_close, 1, NULL }, 203 { "and-widget", o_and_widget, 4, NULL }, 204 { "ascii-lines", o_ascii_lines, 1, "" }, 205 { "aspect", o_aspect, 1, "<ratio>" }, 206 { "auto-placement", o_auto_placement, 1, NULL }, 207 { "backtitle", o_backtitle, 1, "<backtitle>" }, 208 { "beep", o_beep, 1, "" }, 209 { "beep-after", o_beep_after, 1, "" }, 210 { "begin", o_begin, 1, "<y> <x>" }, 211 { "cancel-label", o_cancel_label, 1, "<str>" }, 212 { "checklist", o_checklist, 2, "<text> <height> <width> <list height> <tag1> <item1> <status1>..." }, 213 { "clear", o_clear, 1, "" }, 214 { "colors", o_colors, 1, "" }, 215 { "column-separator",o_column_separator, 1, "<str>" }, 216 { "cr-wrap", o_cr_wrap, 1, "" }, 217 { "create-rc", o_create_rc, 1, NULL }, 218 { "date-format", o_date_format, 1, "<str>" }, 219 { "default-button", o_default_button, 1, "<str>" }, 220 { "default-item", o_default_item, 1, "<str>" }, 221 { "defaultno", o_defaultno, 1, "" }, 222 { "exit-label", o_exit_label, 1, "<str>" }, 223 { "extra-button", o_extra_button, 1, "" }, 224 { "extra-label", o_extra_label, 1, "<str>" }, 225 { "fixed-font", o_fixed_font, 1, NULL }, 226 { "form", o_form, 2, "<text> <height> <width> <form height> <label1> <l_y1> <l_x1> <item1> <i_y1> <i_x1> <flen1> <ilen1>..." }, 227 { "gauge", o_gauge, 2, "<text> <height> <width> [<percent>]" }, 228 { "guage", o_gauge, 2, NULL }, 229 { "help", o_help, 4, "" }, 230 { "help-button", o_help_button, 1, "" }, 231 { "help-label", o_help_label, 1, "<str>" }, 232 { "help-status", o_help_status, 1, "" }, 233 { "help-tags", o_help_tags, 1, "" }, 234 { "hfile", o_help_file, 1, "<str>" }, 235 { "hline", o_help_line, 1, "<str>" }, 236 { "icon", o_icon, 1, NULL }, 237 { "ignore", o_ignore, 1, "" }, 238 { "infobox", o_infobox, 2, "<text> <height> <width>" }, 239 { "input-fd", o_input_fd, 1, "<fd>" }, 240 { "inputbox", o_inputbox, 2, "<text> <height> <width> [<init>]" }, 241 { "inputmenu", o_inputmenu, 2, "<text> <height> <width> <menu height> <tag1> <item1>..." }, 242 { "insecure", o_insecure, 1, "" }, 243 { "item-help", o_item_help, 1, "" }, 244 { "keep-colors", o_keep_colors, 1, NULL }, 245 { "keep-tite", o_keep_tite, 1, "" }, 246 { "keep-window", o_keep_window, 1, "" }, 247 { "last-key", o_last_key, 1, "" }, 248 { "max-input", o_max_input, 1, "<n>" }, 249 { "menu", o_menu, 2, "<text> <height> <width> <menu height> <tag1> <item1>..." }, 250 { "mixedform", o_mixedform, 2, "<text> <height> <width> <form height> <label1> <l_y1> <l_x1> <item1> <i_y1> <i_x1> <flen1> <ilen1> <itype>..." }, 251 { "mixedgauge", o_mixedgauge, 2, "<text> <height> <width> <percent> <tag1> <item1>..." }, 252 { "msgbox", o_msgbox, 2, "<text> <height> <width>" }, 253 { "no-cancel", o_nocancel, 1, "" }, 254 { "no-close", o_no_close, 1, NULL }, 255 { "no-collapse", o_no_collapse, 1, "" }, 256 { "no-cr-wrap", o_no_cr_wrap, 1, "" }, 257 { "no-kill", o_no_kill, 1, "" }, 258 { "no-label", o_no_label, 1, "<str>" }, 259 { "no-lines", o_no_lines, 1, "" }, 260 { "no-mouse", o_no_mouse, 1, "" }, 261 { "no-nl-expand", o_no_nl_expand, 1, "" }, 262 { "no-ok", o_nook, 1, "" }, 263 { "no-shadow", o_no_shadow, 1, "" }, 264 { "nocancel", o_nocancel, 1, NULL }, /* see --no-cancel */ 265 { "nook", o_nook, 1, "" }, /* See no-ok */ 266 { "ok-label", o_ok_label, 1, "<str>" }, 267 { "output-fd", o_output_fd, 1, "<fd>" }, 268 { "output-separator",o_output_separator, 1, "<str>" }, 269 { "passwordbox", o_passwordbox, 2, "<text> <height> <width> [<init>]" }, 270 { "passwordform", o_passwordform, 2, "<text> <height> <width> <form height> <label1> <l_y1> <l_x1> <item1> <i_y1> <i_x1> <flen1> <ilen1>..." }, 271 { "pause", o_pause, 2, "<text> <height> <width> <seconds>" }, 272 { "prgbox", o_prgbox, 2, "<text> <command> <height> <width>" }, 273 { "print-maxsize", o_print_maxsize, 1, "" }, 274 { "print-size", o_print_size, 1, "" }, 275 { "print-version", o_print_version, 5, "" }, 276 { "programbox", o_programbox, 2, "<text> <height> <width>" }, 277 { "progressbox", o_progressbox, 2, "<text> <height> <width>" }, 278 { "quoted", o_quoted, 1, "" }, 279 { "radiolist", o_radiolist, 2, "<text> <height> <width> <list height> <tag1> <item1> <status1>..." }, 280 { "screen-center", o_screen_center, 1, NULL }, 281 { "scrollbar", o_scrollbar, 1, "" }, 282 { "separate-output",o_separate_output, 1, "" }, 283 { "separate-widget",o_separate_widget, 1, "<str>" }, 284 { "separator", o_separator, 1, NULL }, 285 { "shadow", o_shadow, 1, "" }, 286 { "single-quoted", o_single_quoted, 1, "" }, 287 { "size-err", o_size_err, 1, "" }, 288 { "sleep", o_sleep, 1, "<secs>" }, 289 { "smooth", o_smooth, 1, NULL }, 290 { "stderr", o_stderr, 1, "" }, 291 { "stdout", o_stdout, 1, "" }, 292 { "tab-correct", o_tab_correct, 1, "" }, 293 { "tab-len", o_tab_len, 1, "<n>" }, 294 { "tailbox", o_tailbox, 2, "<file> <height> <width>" }, 295 { "tailboxbg", o_tailboxbg, 2, "<file> <height> <width>" }, 296 { "textbox", o_textbox, 2, "<file> <height> <width>" }, 297 { "time-format", o_time_format, 1, "<str>" }, 298 { "timeout", o_timeout, 1, "<secs>" }, 299 { "title", o_title, 1, "<title>" }, 300 { "trim", o_trim, 1, "" }, 301 { "under-mouse", o_under_mouse, 1, NULL }, 302 { "version", o_version, 5, "" }, 303 { "visit-items", o_visit_items, 1, "" }, 304 { "wmclass", o_wmclass, 1, NULL }, 305 { "yes-label", o_yes_label, 1, "<str>" }, 306 { "yesno", o_yesno, 2, "<text> <height> <width>" }, 307 #ifdef HAVE_WHIPTAIL 308 { "cancel-button", o_cancel_label, 1, NULL }, 309 { "fb", o_fullbutton, 1, NULL }, 310 { "fullbutton", o_fullbutton, 1, NULL }, 311 { "no-button", o_no_label, 1, NULL }, 312 { "ok-button", o_ok_label, 1, NULL }, 313 { "scrolltext", o_scrollbar, 1, NULL }, 314 { "topleft", o_topleft, 1, NULL }, 315 { "yes-button", o_yes_label, 1, NULL }, 316 #endif 317 #ifdef HAVE_XDIALOG 318 { "calendar", o_calendar, 2, "<text> <height> <width> <day> <month> <year>" }, 319 { "dselect", o_dselect, 2, "<directory> <height> <width>" }, 320 { "editbox", o_editbox, 2, "<file> <height> <width>" }, 321 { "fselect", o_fselect, 2, "<filepath> <height> <width>" }, 322 { "timebox", o_timebox, 2, "<text> <height> <width> <hour> <minute> <second>" }, 323 #endif 324 #ifdef HAVE_XDIALOG2 325 { "buildlist", o_buildlist, 2, "<text> <height> <width> <tag1> <item1> <status1>..." }, 326 { "no-items", o_no_items, 1, "" }, 327 { "no-tags", o_no_tags, 1, "" }, 328 { "rangebox", o_rangebox, 2, "<text> <height> <width> <min-value> <max-value> <default-value>" }, 329 { "treeview", o_treeview, 2, "<text> <height> <width> <list-height> <tag1> <item1> <status1> <depth1>..." }, 330 #endif 331 #if defined(HAVE_XDIALOG2) || defined(HAVE_WHIPTAIL) 332 { "noitem", o_no_items, 1, NULL }, 333 { "notags", o_no_tags, 1, NULL }, 334 #endif 335 #ifdef HAVE_DLG_TRACE 336 { "trace", o_trace, 1, "<file>" }, 337 #endif 338 }; 339 /* *INDENT-ON* */ 340 341 /* 342 * Make an array showing which argv[] entries are options. Use "--" as a 343 * special token to escape the next argument, allowing it to begin with "--". 344 * When we find a "--" argument, also remove it from argv[] and adjust argc. 345 * That appears to be an undocumented feature of the popt library. 346 * 347 * Also, if we see a "--file", expand it into the parameter list by reading the 348 * text from the given file and stripping quotes, treating whitespace outside 349 * quotes as a parameter delimiter. 350 * 351 * Finally, if we see a "--args", dump the current list of arguments to the 352 * standard error. This is used for debugging complex --file combinations. 353 */ 354 static void 355 unescape_argv(int *argcp, char ***argvp) 356 { 357 int j, k; 358 int limit_includes = 20 + *argcp; 359 int count_includes = 0; 360 bool changed = FALSE; 361 bool doalloc = FALSE; 362 char *filename; 363 364 dialog_opts = dlg_calloc(bool, (size_t) *argcp + 1); 365 assert_ptr(dialog_opts, "unescape_argv"); 366 367 for (j = 1; j < *argcp; j++) { 368 bool escaped = FALSE; 369 if (!strcmp((*argvp)[j], "--")) { 370 escaped = TRUE; 371 changed = dlg_eat_argv(argcp, argvp, j, 1); 372 } else if (!strcmp((*argvp)[j], "--args")) { 373 fprintf(stderr, "Showing arguments at arg%d\n", j); 374 for (k = 0; k < *argcp; ++k) { 375 fprintf(stderr, " arg%d:%s\n", k, (*argvp)[k]); 376 } 377 changed = dlg_eat_argv(argcp, argvp, j, 1); 378 } else if (!strcmp((*argvp)[j], "--file")) { 379 if (++count_includes > limit_includes) 380 dlg_exiterr("Too many --file options"); 381 382 if ((filename = (*argvp)[j + 1]) != 0) { 383 FILE *fp; 384 char **list; 385 char *blob; 386 int added; 387 size_t bytes_read; 388 size_t length; 389 int n; 390 391 if (*filename == '&') { 392 fp = fdopen(atoi(filename + sizeof(char)), "r"); 393 } else { 394 fp = fopen(filename, "r"); 395 } 396 397 if (fp) { 398 blob = NULL; 399 length = 0; 400 do { 401 blob = dlg_realloc(char, length + BUFSIZ + 1, blob); 402 assert_ptr(blob, "unescape_argv"); 403 bytes_read = fread(blob + length, 404 sizeof(char), 405 (size_t) BUFSIZ, 406 fp); 407 length += bytes_read; 408 if (ferror(fp)) 409 dlg_exiterr("error on filehandle in unescape_argv"); 410 } while (bytes_read == BUFSIZ); 411 fclose(fp); 412 413 blob[length] = '\0'; 414 415 list = dlg_string_to_argv(blob); 416 if ((added = dlg_count_argv(list)) != 0) { 417 if (added > 2) { 418 size_t need = (size_t) (*argcp + added + 1); 419 if (doalloc) { 420 *argvp = dlg_realloc(char *, need, *argvp); 421 assert_ptr(*argvp, "unescape_argv"); 422 } else { 423 char **newp = dlg_malloc(char *, need); 424 assert_ptr(newp, "unescape_argv"); 425 for (n = 0; n < *argcp; ++n) { 426 newp[n] = (*argvp)[n]; 427 } 428 *argvp = newp; 429 doalloc = TRUE; 430 } 431 dialog_opts = dlg_realloc(bool, need, dialog_opts); 432 assert_ptr(dialog_opts, "unescape_argv"); 433 } 434 for (n = *argcp; n >= j + 2; --n) { 435 (*argvp)[n + added - 2] = (*argvp)[n]; 436 dialog_opts[n + added - 2] = dialog_opts[n]; 437 } 438 for (n = 0; n < added; ++n) { 439 (*argvp)[n + j] = list[n]; 440 dialog_opts[n + j] = FALSE; 441 } 442 *argcp += added - 2; 443 free(list); 444 } 445 } else { 446 dlg_exiterr("Cannot open --file %s", filename); 447 } 448 (*argvp)[*argcp] = 0; 449 ++j; 450 continue; 451 } else { 452 dlg_exiterr("No value given for --file"); 453 } 454 } 455 if (!escaped 456 && (*argvp)[j] != 0 457 && !strncmp((*argvp)[j], "--", (size_t) 2) 458 && isalpha(UCH((*argvp)[j][2]))) { 459 dialog_opts[j] = TRUE; 460 } 461 } 462 463 /* if we didn't find any "--" tokens, there's no reason to do the table 464 * lookup in isOption() 465 */ 466 if (!changed) { 467 free(dialog_opts); 468 dialog_opts = 0; 469 } 470 dialog_argv = (*argvp); 471 } 472 473 #define OptionChars "\ 474 0123456789\ 475 -\ 476 abcdefghijklmnopqrstuvwxyz\ 477 " 478 479 /* 480 * Check if the given string from main's argv is an option. 481 */ 482 static bool 483 isOption(const char *arg) 484 { 485 bool result = FALSE; 486 487 if (arg != 0) { 488 if (dialog_opts != 0) { 489 int n; 490 for (n = 1; dialog_argv[n] != 0; ++n) { 491 if (dialog_argv[n] == arg) { 492 result = dialog_opts[n]; 493 break; 494 } 495 } 496 } else if (!strncmp(arg, "--", (size_t) 2) && isalpha(UCH(arg[2]))) { 497 if (strlen(arg) == strspn(arg, OptionChars)) { 498 result = TRUE; 499 } else { 500 dlg_exiterr("Invalid option \"%s\"", arg); 501 } 502 } 503 } 504 return result; 505 } 506 507 static eOptions 508 lookupOption(const char *name, int pass) 509 { 510 unsigned n; 511 eOptions result = o_unknown; 512 513 if (isOption(name)) { 514 name += 2; 515 for (n = 0; n < sizeof(options) / sizeof(options[0]); n++) { 516 if ((pass & options[n].pass) != 0 517 && !strcmp(name, options[n].name)) { 518 result = options[n].code; 519 break; 520 } 521 } 522 } 523 return result; 524 } 525 526 static void 527 Usage(const char *msg) 528 { 529 dlg_exiterr("Error: %s.\nUse --help to list options.\n\n", msg); 530 } 531 532 /* 533 * Count arguments, stopping at the end of the argument list, or on any of our 534 * "--" tokens. 535 */ 536 static int 537 arg_rest(char *argv[]) 538 { 539 int i = 1; /* argv[0] points to a "--" token */ 540 541 while (argv[i] != 0 542 && (!isOption(argv[i]) || lookupOption(argv[i], 7) == o_unknown)) 543 i++; 544 return i; 545 } 546 547 /* 548 * In MultiWidget this function is needed to count how many tags 549 * a widget (menu, checklist, radiolist) has 550 */ 551 static int 552 howmany_tags(char *argv[], int group) 553 { 554 int result = 0; 555 int have; 556 const char *format = "Expected %d arguments, found only %d"; 557 char temp[80]; 558 559 while (argv[0] != 0) { 560 if (isOption(argv[0])) 561 break; 562 if ((have = arg_rest(argv)) < group) { 563 sprintf(temp, format, group, have); 564 Usage(temp); 565 } 566 567 argv += group; 568 result++; 569 } 570 571 return result; 572 } 573 574 static int 575 numeric_arg(char **av, int n) 576 { 577 int result = 0; 578 579 if (n < dlg_count_argv(av)) { 580 char msg[80]; 581 char *last = 0; 582 result = (int) strtol(av[n], &last, 10); 583 584 if (last == 0 || *last != 0) { 585 sprintf(msg, "Expected a number for token %d of %.20s", n, av[0]); 586 Usage(msg); 587 } 588 } 589 return result; 590 } 591 592 static char * 593 optional_str(char **av, int n, char *dft) 594 { 595 char *ret = dft; 596 if (arg_rest(av) > n) 597 ret = av[n]; 598 return ret; 599 } 600 601 #if defined(HAVE_DLG_GAUGE) || defined(HAVE_XDIALOG) 602 static int 603 optional_num(char **av, int n, int dft) 604 { 605 int ret = dft; 606 if (arg_rest(av) > n) 607 ret = numeric_arg(av, n); 608 return ret; 609 } 610 #endif 611 612 /* 613 * On AIX 4.x, we have to flush the output right away since there is a bug in 614 * the curses package which discards stdout even when we've used newterm to 615 * redirect output to /dev/tty. 616 */ 617 static int 618 show_result(int ret) 619 { 620 bool either = FALSE; 621 622 switch (ret) { 623 case DLG_EXIT_OK: 624 case DLG_EXIT_EXTRA: 625 case DLG_EXIT_HELP: 626 case DLG_EXIT_ITEM_HELP: 627 if ((dialog_state.output_count > 1) && !dialog_vars.separate_output) { 628 fputs((dialog_state.separate_str 629 ? dialog_state.separate_str 630 : DEFAULT_SEPARATE_STR), 631 dialog_state.output); 632 either = TRUE; 633 } 634 if (dialog_vars.input_result != 0 635 && dialog_vars.input_result[0] != '\0') { 636 fputs(dialog_vars.input_result, dialog_state.output); 637 either = TRUE; 638 } 639 if (either) { 640 fflush(dialog_state.output); 641 } 642 break; 643 } 644 return ret; 645 } 646 647 /* 648 * These are the widget callers. 649 */ 650 651 static int 652 call_yesno(CALLARGS) 653 { 654 *offset_add = 4; 655 return dialog_yesno(t, 656 av[1], 657 numeric_arg(av, 2), 658 numeric_arg(av, 3)); 659 } 660 661 static int 662 call_msgbox(CALLARGS) 663 { 664 *offset_add = 4; 665 return dialog_msgbox(t, 666 av[1], 667 numeric_arg(av, 2), 668 numeric_arg(av, 3), 1); 669 } 670 671 static int 672 call_infobox(CALLARGS) 673 { 674 *offset_add = 4; 675 return dialog_msgbox(t, 676 av[1], 677 numeric_arg(av, 2), 678 numeric_arg(av, 3), 0); 679 } 680 681 static int 682 call_textbox(CALLARGS) 683 { 684 *offset_add = 4; 685 return dialog_textbox(t, 686 av[1], 687 numeric_arg(av, 2), 688 numeric_arg(av, 3)); 689 } 690 691 static int 692 call_menu(CALLARGS) 693 { 694 int tags = howmany_tags(av + 5, MENUBOX_TAGS); 695 *offset_add = 5 + tags * MENUBOX_TAGS; 696 697 return dialog_menu(t, 698 av[1], 699 numeric_arg(av, 2), 700 numeric_arg(av, 3), 701 numeric_arg(av, 4), 702 tags, av + 5); 703 } 704 705 static int 706 call_inputmenu(CALLARGS) 707 { 708 int tags = howmany_tags(av + 5, MENUBOX_TAGS); 709 bool free_extra_label = FALSE; 710 int result; 711 712 dialog_vars.input_menu = TRUE; 713 714 if (dialog_vars.max_input == 0) 715 dialog_vars.max_input = MAX_LEN / 2; 716 717 if (dialog_vars.extra_label == 0) { 718 free_extra_label = TRUE; 719 dialog_vars.extra_label = dlg_strclone(_("Rename")); 720 } 721 722 dialog_vars.extra_button = TRUE; 723 724 *offset_add = 5 + tags * MENUBOX_TAGS; 725 result = dialog_menu(t, 726 av[1], 727 numeric_arg(av, 2), 728 numeric_arg(av, 3), 729 numeric_arg(av, 4), 730 tags, av + 5); 731 if (free_extra_label) { 732 free(dialog_vars.extra_label); 733 dialog_vars.extra_label = 0; 734 } 735 return result; 736 } 737 738 static int 739 call_checklist(CALLARGS) 740 { 741 int tags = howmany_tags(av + 5, CHECKBOX_TAGS); 742 int code; 743 744 *offset_add = 5 + tags * CHECKBOX_TAGS; 745 code = dialog_checklist(t, 746 av[1], 747 numeric_arg(av, 2), 748 numeric_arg(av, 3), 749 numeric_arg(av, 4), 750 tags, av + 5, FLAG_CHECK); 751 return code; 752 } 753 754 static int 755 call_radiolist(CALLARGS) 756 { 757 int tags = howmany_tags(av + 5, CHECKBOX_TAGS); 758 *offset_add = 5 + tags * CHECKBOX_TAGS; 759 return dialog_checklist(t, 760 av[1], 761 numeric_arg(av, 2), 762 numeric_arg(av, 3), 763 numeric_arg(av, 4), 764 tags, av + 5, FLAG_RADIO); 765 } 766 767 static int 768 call_inputbox(CALLARGS) 769 { 770 *offset_add = arg_rest(av); 771 return dialog_inputbox(t, 772 av[1], 773 numeric_arg(av, 2), 774 numeric_arg(av, 3), 775 optional_str(av, 4, 0), 0); 776 } 777 778 static int 779 call_passwordbox(CALLARGS) 780 { 781 *offset_add = arg_rest(av); 782 return dialog_inputbox(t, 783 av[1], 784 numeric_arg(av, 2), 785 numeric_arg(av, 3), 786 optional_str(av, 4, 0), 1); 787 } 788 789 #ifdef HAVE_XDIALOG 790 static int 791 call_calendar(CALLARGS) 792 { 793 *offset_add = arg_rest(av); 794 return dialog_calendar(t, 795 av[1], 796 numeric_arg(av, 2), 797 numeric_arg(av, 3), 798 optional_num(av, 4, -1), 799 optional_num(av, 5, -1), 800 optional_num(av, 6, -1)); 801 } 802 803 static int 804 call_dselect(CALLARGS) 805 { 806 *offset_add = arg_rest(av); 807 return dialog_dselect(t, 808 av[1], 809 numeric_arg(av, 2), 810 numeric_arg(av, 3)); 811 } 812 813 static int 814 call_editbox(CALLARGS) 815 { 816 *offset_add = 4; 817 return dialog_editbox(t, 818 av[1], 819 numeric_arg(av, 2), 820 numeric_arg(av, 3)); 821 } 822 823 static int 824 call_fselect(CALLARGS) 825 { 826 *offset_add = arg_rest(av); 827 return dialog_fselect(t, 828 av[1], 829 numeric_arg(av, 2), 830 numeric_arg(av, 3)); 831 } 832 833 static int 834 call_timebox(CALLARGS) 835 { 836 *offset_add = arg_rest(av); 837 return dialog_timebox(t, 838 av[1], 839 numeric_arg(av, 2), 840 numeric_arg(av, 3), 841 optional_num(av, 4, -1), 842 optional_num(av, 5, -1), 843 optional_num(av, 6, -1)); 844 } 845 #endif /* HAVE_XDIALOG */ 846 847 /* dialog 1.2 widgets */ 848 #ifdef HAVE_XDIALOG2 849 850 #define DisableNoTags() \ 851 bool save_no_tags = dialog_vars.no_tags; \ 852 bool save_no_items = dialog_vars.no_items; \ 853 dialog_vars.no_tags = TRUE; \ 854 dialog_vars.no_items = FALSE 855 856 #define RestoreNoTags() \ 857 dialog_vars.no_tags = save_no_tags; \ 858 dialog_vars.no_items = save_no_items 859 860 static int 861 call_buildlist(CALLARGS) 862 { 863 int tags = howmany_tags(av + 5, CHECKBOX_TAGS); 864 int result; 865 866 DisableNoTags(); 867 868 *offset_add = 5 + tags * CHECKBOX_TAGS; 869 result = dialog_buildlist(t, 870 av[1], 871 numeric_arg(av, 2), 872 numeric_arg(av, 3), 873 numeric_arg(av, 4), 874 tags, av + 5, 875 TRUE); 876 RestoreNoTags(); 877 return result; 878 } 879 880 static int 881 call_rangebox(CALLARGS) 882 { 883 int min_value; 884 885 *offset_add = arg_rest(av); 886 min_value = numeric_arg(av, 4); 887 return dialog_rangebox(t, 888 av[1], 889 numeric_arg(av, 2), 890 numeric_arg(av, 3), 891 min_value, 892 numeric_arg(av, 5), 893 (*offset_add > 6) ? numeric_arg(av, 6) : min_value); 894 } 895 896 static int 897 call_treeview(CALLARGS) 898 { 899 int tags = howmany_tags(av + 5, TREEVIEW_TAGS); 900 int result; 901 902 DisableNoTags(); 903 904 *offset_add = arg_rest(av); 905 result = dialog_treeview(t, 906 av[1], 907 numeric_arg(av, 2), 908 numeric_arg(av, 3), 909 numeric_arg(av, 4), 910 tags, av + 5, FLAG_RADIO); 911 RestoreNoTags(); 912 return result; 913 } 914 #endif /* HAVE_XDIALOG */ 915 916 #ifdef HAVE_DLG_FORMBOX 917 static int 918 call_form(CALLARGS) 919 { 920 int group = FORMBOX_TAGS; 921 int tags = howmany_tags(av + 5, group); 922 *offset_add = 5 + tags * group; 923 924 return dialog_form(t, 925 av[1], 926 numeric_arg(av, 2), 927 numeric_arg(av, 3), 928 numeric_arg(av, 4), 929 tags, av + 5); 930 } 931 932 static int 933 call_password_form(CALLARGS) 934 { 935 unsigned save = dialog_vars.formitem_type; 936 int result; 937 938 dialog_vars.formitem_type = 1; 939 result = call_form(PASSARGS); 940 dialog_vars.formitem_type = save; 941 942 return result; 943 } 944 #endif /* HAVE_DLG_FORMBOX */ 945 946 #ifdef HAVE_DLG_MIXEDFORM 947 static int 948 call_mixed_form(CALLARGS) 949 { 950 int group = MIXEDFORM_TAGS; 951 int tags = howmany_tags(av + 5, group); 952 *offset_add = 5 + tags * group; 953 954 return dialog_mixedform(t, 955 av[1], 956 numeric_arg(av, 2), 957 numeric_arg(av, 3), 958 numeric_arg(av, 4), 959 tags, av + 5); 960 } 961 #endif /* HAVE_DLG_MIXEDFORM */ 962 963 #ifdef HAVE_DLG_GAUGE 964 static int 965 call_gauge(CALLARGS) 966 { 967 *offset_add = arg_rest(av); 968 return dialog_gauge(t, 969 av[1], 970 numeric_arg(av, 2), 971 numeric_arg(av, 3), 972 optional_num(av, 4, 0)); 973 } 974 975 static int 976 call_pause(CALLARGS) 977 { 978 *offset_add = arg_rest(av); 979 return dialog_pause(t, 980 av[1], 981 numeric_arg(av, 2), 982 numeric_arg(av, 3), 983 numeric_arg(av, 4)); 984 } 985 #endif 986 987 #ifdef HAVE_MIXEDGAUGE 988 static int 989 call_mixed_gauge(CALLARGS) 990 { 991 #define MIXEDGAUGE_BASE 5 992 int tags = howmany_tags(av + MIXEDGAUGE_BASE, MIXEDGAUGE_TAGS); 993 *offset_add = MIXEDGAUGE_BASE + tags * MIXEDGAUGE_TAGS; 994 return dialog_mixedgauge(t, 995 av[1], 996 numeric_arg(av, 2), 997 numeric_arg(av, 3), 998 numeric_arg(av, 4), 999 tags, av + MIXEDGAUGE_BASE); 1000 } 1001 #endif 1002 1003 #ifdef HAVE_DLG_GAUGE 1004 static int 1005 call_prgbox(CALLARGS) 1006 { 1007 *offset_add = arg_rest(av); 1008 /* the original version does not accept a prompt string, but for 1009 * consistency we allow it. 1010 */ 1011 return ((*offset_add == 5) 1012 ? dialog_prgbox(t, 1013 av[1], 1014 av[2], 1015 numeric_arg(av, 3), 1016 numeric_arg(av, 4), TRUE) 1017 : dialog_prgbox(t, 1018 "", 1019 av[1], 1020 numeric_arg(av, 2), 1021 numeric_arg(av, 3), TRUE)); 1022 } 1023 #endif 1024 1025 #ifdef HAVE_DLG_GAUGE 1026 static int 1027 call_programbox(CALLARGS) 1028 { 1029 int result; 1030 1031 *offset_add = arg_rest(av); 1032 /* this function is a compromise between --prgbox and --progressbox. 1033 */ 1034 result = ((*offset_add == 4) 1035 ? dlg_progressbox(t, 1036 av[1], 1037 numeric_arg(av, 2), 1038 numeric_arg(av, 3), 1039 TRUE, 1040 dialog_state.pipe_input) 1041 : dlg_progressbox(t, 1042 "", 1043 numeric_arg(av, 1), 1044 numeric_arg(av, 2), 1045 TRUE, 1046 dialog_state.pipe_input)); 1047 dialog_state.pipe_input = 0; 1048 return result; 1049 } 1050 #endif 1051 1052 #ifdef HAVE_DLG_GAUGE 1053 static int 1054 call_progressbox(CALLARGS) 1055 { 1056 *offset_add = arg_rest(av); 1057 /* the original version does not accept a prompt string, but for 1058 * consistency we allow it. 1059 */ 1060 return ((*offset_add == 4) 1061 ? dialog_progressbox(t, 1062 av[1], 1063 numeric_arg(av, 2), 1064 numeric_arg(av, 3)) 1065 : dialog_progressbox(t, 1066 "", 1067 numeric_arg(av, 1), 1068 numeric_arg(av, 2))); 1069 } 1070 #endif 1071 1072 #ifdef HAVE_DLG_TAILBOX 1073 static int 1074 call_tailbox(CALLARGS) 1075 { 1076 *offset_add = 4; 1077 return dialog_tailbox(t, 1078 av[1], 1079 numeric_arg(av, 2), 1080 numeric_arg(av, 3), 1081 FALSE); 1082 } 1083 1084 static int 1085 call_tailboxbg(CALLARGS) 1086 { 1087 *offset_add = 4; 1088 return dialog_tailbox(t, 1089 av[1], 1090 numeric_arg(av, 2), 1091 numeric_arg(av, 3), 1092 TRUE); 1093 } 1094 #endif 1095 /* *INDENT-OFF* */ 1096 static const Mode modes[] = 1097 { 1098 {o_yesno, 4, 4, call_yesno}, 1099 {o_msgbox, 4, 4, call_msgbox}, 1100 {o_infobox, 4, 4, call_infobox}, 1101 {o_textbox, 4, 4, call_textbox}, 1102 {o_menu, 7, 0, call_menu}, 1103 {o_inputmenu, 7, 0, call_inputmenu}, 1104 {o_checklist, 8, 0, call_checklist}, 1105 {o_radiolist, 8, 0, call_radiolist}, 1106 {o_inputbox, 4, 5, call_inputbox}, 1107 {o_passwordbox, 4, 5, call_passwordbox}, 1108 #ifdef HAVE_DLG_GAUGE 1109 {o_gauge, 4, 5, call_gauge}, 1110 {o_pause, 5, 5, call_pause}, 1111 {o_prgbox, 4, 5, call_prgbox}, 1112 {o_programbox, 3, 4, call_programbox}, 1113 {o_progressbox, 3, 4, call_progressbox}, 1114 #endif 1115 #ifdef HAVE_DLG_FORMBOX 1116 {o_passwordform, 13, 0, call_password_form}, 1117 {o_form, 13, 0, call_form}, 1118 #endif 1119 #ifdef HAVE_MIXEDGAUGE 1120 {o_mixedgauge, MIXEDGAUGE_BASE, 0, call_mixed_gauge}, 1121 #endif 1122 #ifdef HAVE_DLG_MIXEDFORM 1123 {o_mixedform, 13, 0, call_mixed_form}, 1124 #endif 1125 #ifdef HAVE_DLG_TAILBOX 1126 {o_tailbox, 4, 4, call_tailbox}, 1127 {o_tailboxbg, 4, 4, call_tailboxbg}, 1128 #endif 1129 #ifdef HAVE_XDIALOG 1130 {o_buildlist, 4, 0, call_buildlist}, 1131 {o_calendar, 4, 7, call_calendar}, 1132 {o_dselect, 4, 5, call_dselect}, 1133 {o_editbox, 4, 4, call_editbox}, 1134 {o_fselect, 4, 5, call_fselect}, 1135 {o_rangebox, 5, 7, call_rangebox}, 1136 {o_timebox, 4, 7, call_timebox}, 1137 {o_treeview, 4, 0, call_treeview}, 1138 #endif 1139 }; 1140 /* *INDENT-ON* */ 1141 1142 static char * 1143 optionString(char **argv, int *num) 1144 { 1145 int next = *num + 1; 1146 char *result = argv[next]; 1147 if (result == 0) { 1148 char temp[80]; 1149 sprintf(temp, "Expected a string-parameter for %.20s", argv[*num]); 1150 Usage(temp); 1151 } 1152 *num = next; 1153 return result; 1154 } 1155 1156 static int 1157 optionValue(char **argv, int *num) 1158 { 1159 int next = *num + 1; 1160 char *src = argv[next]; 1161 char *tmp = 0; 1162 int result = 0; 1163 1164 if (src != 0) { 1165 result = (int) strtol(src, &tmp, 0); 1166 if (tmp == 0 || *tmp != 0) 1167 src = 0; 1168 } 1169 1170 if (src == 0) { 1171 char temp[80]; 1172 sprintf(temp, "Expected a numeric-parameter for %.20s", argv[*num]); 1173 Usage(temp); 1174 } 1175 *num = next; 1176 return result; 1177 } 1178 1179 /* Return exit-code for a named button */ 1180 static int 1181 button_code(const char *name) 1182 { 1183 /* *INDENT-OFF* */ 1184 static struct { 1185 const char *name; 1186 int code; 1187 } table[] = { 1188 { "ok", DLG_EXIT_OK }, 1189 { "yes", DLG_EXIT_OK }, 1190 { "cancel", DLG_EXIT_CANCEL }, 1191 { "no", DLG_EXIT_CANCEL }, 1192 { "help", DLG_EXIT_HELP }, 1193 { "extra", DLG_EXIT_EXTRA }, 1194 }; 1195 /* *INDENT-ON* */ 1196 1197 int code = DLG_EXIT_ERROR; 1198 size_t i; 1199 1200 for (i = 0; i < (sizeof(table) / sizeof(table[0])); i++) { 1201 if (!dlg_strcmp(name, table[i].name)) { 1202 code = table[i].code; 1203 break; 1204 } 1205 } 1206 1207 if (code == DLG_EXIT_ERROR) { 1208 char temp[80]; 1209 sprintf(temp, "Button name \"%.20s\" unknown", name); 1210 Usage(temp); 1211 } 1212 1213 return code; 1214 } 1215 1216 /* 1217 * Print parts of a message 1218 */ 1219 static void 1220 PrintList(const char *const *list) 1221 { 1222 const char *leaf = strrchr(program, '/'); 1223 unsigned n = 0; 1224 1225 if (leaf != 0) 1226 leaf++; 1227 else 1228 leaf = program; 1229 1230 while (*list != 0) { 1231 fprintf(dialog_state.output, *list, n ? leaf : dialog_version()); 1232 (void) fputc('\n', dialog_state.output); 1233 n = 1; 1234 list++; 1235 } 1236 } 1237 1238 static const Mode * 1239 lookupMode(eOptions code) 1240 { 1241 const Mode *modePtr = 0; 1242 unsigned n; 1243 1244 for (n = 0; n < sizeof(modes) / sizeof(modes[0]); n++) { 1245 if (modes[n].code == code) { 1246 modePtr = &modes[n]; 1247 break; 1248 } 1249 } 1250 return modePtr; 1251 } 1252 1253 static int 1254 compare_opts(const void *a, const void *b) 1255 { 1256 Options *const *p = (Options * const *) a; 1257 Options *const *q = (Options * const *) b; 1258 return strcmp((*p)->name, (*q)->name); 1259 } 1260 1261 /* 1262 * Print program's version. 1263 */ 1264 static void 1265 PrintVersion(FILE *fp) 1266 { 1267 fprintf(fp, "Version: %s\n", dialog_version()); 1268 } 1269 1270 /* 1271 * Print program help-message 1272 */ 1273 static void 1274 Help(void) 1275 { 1276 static const char *const tbl_1[] = 1277 { 1278 "cdialog (ComeOn Dialog!) version %s", 1279 "Copyright 2000-2012,2013 Thomas E. Dickey", 1280 "This is free software; see the source for copying conditions. There is NO", 1281 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.", 1282 "", 1283 "* Display dialog boxes from shell scripts *", 1284 "", 1285 "Usage: %s <options> { --and-widget <options> }", 1286 "where options are \"common\" options, followed by \"box\" options", 1287 "", 1288 #ifdef HAVE_RC_FILE 1289 "Special options:", 1290 " [--create-rc \"file\"]", 1291 #endif 1292 0 1293 }, *const tbl_3[] = 1294 { 1295 "", 1296 "Auto-size with height and width = 0. Maximize with height and width = -1.", 1297 "Global-auto-size if also menu_height/list_height = 0.", 1298 0 1299 }; 1300 size_t limit = sizeof(options) / sizeof(options[0]); 1301 size_t j, k; 1302 const Options **opts; 1303 1304 end_dialog(); 1305 dialog_state.output = stdout; 1306 1307 opts = dlg_calloc(const Options *, limit); 1308 assert_ptr(opts, "Help"); 1309 for (j = 0; j < limit; ++j) { 1310 opts[j] = &(options[j]); 1311 } 1312 qsort(opts, limit, sizeof(Options *), compare_opts); 1313 1314 PrintList(tbl_1); 1315 fprintf(dialog_state.output, "Common options:\n "); 1316 for (j = k = 0; j < limit; j++) { 1317 if ((opts[j]->pass & 1) 1318 && opts[j]->help != 0) { 1319 size_t len = 6 + strlen(opts[j]->name) + strlen(opts[j]->help); 1320 k += len; 1321 if (k > 75) { 1322 fprintf(dialog_state.output, "\n "); 1323 k = len; 1324 } 1325 fprintf(dialog_state.output, " [--%s%s%s]", opts[j]->name, 1326 *(opts[j]->help) ? " " : "", opts[j]->help); 1327 } 1328 } 1329 fprintf(dialog_state.output, "\nBox options:\n"); 1330 for (j = 0; j < limit; j++) { 1331 if ((opts[j]->pass & 2) != 0 1332 && opts[j]->help != 0 1333 && lookupMode(opts[j]->code)) 1334 fprintf(dialog_state.output, " --%-12s %s\n", opts[j]->name, 1335 opts[j]->help); 1336 } 1337 PrintList(tbl_3); 1338 1339 free(opts); 1340 dlg_exit(DLG_EXIT_OK); 1341 } 1342 1343 #ifdef HAVE_DLG_TRACE 1344 /* 1345 * Only the first call to dlg_trace will open a trace file. But each time 1346 * --trace is parsed, we show the whole parameter list as it is at that moment, 1347 * counting discarded parameters. The only way to capture the whole parameter 1348 * list is if --trace is the first option. 1349 */ 1350 static void 1351 process_trace_option(char **argv, int *offset) 1352 { 1353 int j; 1354 1355 if (dialog_state.trace_output == 0) { 1356 dlg_trace(optionString(argv, offset)); 1357 } else { 1358 dlg_trace_msg("# ignore extra --trace option\n"); 1359 *offset += 1; 1360 } 1361 1362 dlg_trace_msg("# Parameters:\n"); 1363 for (j = 0; argv[j] != 0; ++j) { 1364 dlg_trace_msg("# argv[%d] = %s\n", j, argv[j]); 1365 } 1366 } 1367 #endif 1368 1369 /* 1370 * "Common" options apply to all widgets more/less. Most of the common options 1371 * set values in dialog_vars, a few set dialog_state and a couple write to the 1372 * output stream. 1373 */ 1374 static int 1375 process_common_options(int argc, char **argv, int offset, bool output) 1376 { 1377 bool done = FALSE; 1378 1379 dlg_trace_msg("# process_common_options, offset %d\n", offset); 1380 1381 while (offset < argc && !done) { /* Common options */ 1382 dlg_trace_msg("#\targv[%d] = %s\n", offset, argv[offset]); 1383 switch (lookupOption(argv[offset], 1)) { 1384 case o_title: 1385 dialog_vars.title = optionString(argv, &offset); 1386 break; 1387 case o_backtitle: 1388 dialog_vars.backtitle = optionString(argv, &offset); 1389 break; 1390 case o_separate_widget: 1391 dialog_state.separate_str = optionString(argv, &offset); 1392 break; 1393 case o_separate_output: 1394 dialog_vars.separate_output = TRUE; 1395 break; 1396 case o_colors: 1397 dialog_vars.colors = TRUE; 1398 break; 1399 case o_cr_wrap: 1400 dialog_vars.cr_wrap = TRUE; 1401 break; 1402 case o_no_nl_expand: 1403 dialog_vars.no_nl_expand = TRUE; 1404 break; 1405 case o_no_collapse: 1406 dialog_vars.nocollapse = TRUE; 1407 break; 1408 case o_no_kill: 1409 dialog_vars.cant_kill = TRUE; 1410 break; 1411 case o_nocancel: 1412 dialog_vars.nocancel = TRUE; 1413 break; 1414 case o_nook: 1415 dialog_vars.nook = TRUE; 1416 break; 1417 case o_quoted: 1418 dialog_vars.quoted = TRUE; 1419 break; 1420 case o_single_quoted: 1421 dialog_vars.single_quoted = TRUE; 1422 break; 1423 case o_size_err: 1424 dialog_vars.size_err = TRUE; 1425 break; 1426 case o_beep: 1427 dialog_vars.beep_signal = TRUE; 1428 break; 1429 case o_beep_after: 1430 dialog_vars.beep_after_signal = TRUE; 1431 break; 1432 case o_scrollbar: 1433 dialog_state.use_scrollbar = TRUE; 1434 break; 1435 case o_shadow: 1436 dialog_state.use_shadow = TRUE; 1437 break; 1438 case o_defaultno: 1439 dialog_vars.defaultno = TRUE; 1440 dialog_vars.default_button = DLG_EXIT_CANCEL; 1441 break; 1442 case o_default_button: 1443 dialog_vars.default_button = button_code(optionString(argv, &offset)); 1444 dialog_vars.defaultno = dialog_vars.default_button == DLG_EXIT_CANCEL; 1445 break; 1446 case o_default_item: 1447 dialog_vars.default_item = optionString(argv, &offset); 1448 break; 1449 case o_insecure: 1450 dialog_vars.insecure = TRUE; 1451 break; 1452 case o_item_help: 1453 dialog_vars.item_help = TRUE; 1454 break; 1455 case o_help_line: 1456 dialog_vars.help_line = optionString(argv, &offset); 1457 break; 1458 case o_help_file: 1459 dialog_vars.help_file = optionString(argv, &offset); 1460 break; 1461 case o_help_button: 1462 dialog_vars.help_button = TRUE; 1463 break; 1464 case o_help_status: 1465 dialog_vars.help_status = TRUE; 1466 break; 1467 case o_help_tags: 1468 dialog_vars.help_tags = TRUE; 1469 break; 1470 case o_extra_button: 1471 dialog_vars.extra_button = TRUE; 1472 break; 1473 case o_ignore: 1474 ignore_unknown = TRUE; 1475 break; 1476 case o_keep_window: 1477 dialog_vars.keep_window = TRUE; 1478 break; 1479 case o_last_key: 1480 dialog_vars.last_key = TRUE; 1481 break; 1482 case o_no_shadow: 1483 dialog_state.use_shadow = FALSE; 1484 break; 1485 case o_print_size: 1486 dialog_vars.print_siz = TRUE; 1487 break; 1488 case o_print_maxsize: 1489 if (output) { 1490 /* 1491 * If this is the last option, we do not want any error 1492 * messages - just our output. Calling end_dialog() cancels 1493 * the refresh() at the end of the program as well. 1494 */ 1495 if (argv[offset + 1] == 0) { 1496 ignore_unknown = TRUE; 1497 end_dialog(); 1498 } 1499 fflush(dialog_state.output); 1500 fprintf(dialog_state.output, "MaxSize: %d, %d\n", SLINES, SCOLS); 1501 } 1502 break; 1503 case o_print_version: 1504 if (output) { 1505 PrintVersion(dialog_state.output); 1506 } 1507 break; 1508 case o_separator: 1509 case o_output_separator: 1510 dialog_vars.output_separator = optionString(argv, &offset); 1511 break; 1512 case o_column_separator: 1513 dialog_vars.column_separator = optionString(argv, &offset); 1514 break; 1515 case o_tab_correct: 1516 dialog_vars.tab_correct = TRUE; 1517 break; 1518 case o_sleep: 1519 dialog_vars.sleep_secs = optionValue(argv, &offset); 1520 break; 1521 case o_timeout: 1522 dialog_vars.timeout_secs = optionValue(argv, &offset); 1523 break; 1524 case o_max_input: 1525 dialog_vars.max_input = optionValue(argv, &offset); 1526 break; 1527 case o_tab_len: 1528 dialog_state.tab_len = optionValue(argv, &offset); 1529 break; 1530 case o_trim: 1531 dialog_vars.trim_whitespace = TRUE; 1532 break; 1533 case o_visit_items: 1534 dialog_state.visit_items = TRUE; 1535 dialog_state.visit_cols = 1; 1536 break; 1537 case o_aspect: 1538 dialog_state.aspect_ratio = optionValue(argv, &offset); 1539 break; 1540 case o_begin: 1541 dialog_vars.begin_set = TRUE; 1542 dialog_vars.begin_y = optionValue(argv, &offset); 1543 dialog_vars.begin_x = optionValue(argv, &offset); 1544 break; 1545 case o_clear: 1546 dialog_vars.dlg_clear_screen = TRUE; 1547 break; 1548 case o_yes_label: 1549 dialog_vars.yes_label = optionString(argv, &offset); 1550 break; 1551 case o_no_label: 1552 dialog_vars.no_label = optionString(argv, &offset); 1553 break; 1554 case o_ok_label: 1555 dialog_vars.ok_label = optionString(argv, &offset); 1556 break; 1557 case o_cancel_label: 1558 dialog_vars.cancel_label = optionString(argv, &offset); 1559 break; 1560 case o_extra_label: 1561 dialog_vars.extra_label = optionString(argv, &offset); 1562 break; 1563 case o_exit_label: 1564 dialog_vars.exit_label = optionString(argv, &offset); 1565 break; 1566 case o_help_label: 1567 dialog_vars.help_label = optionString(argv, &offset); 1568 break; 1569 case o_date_format: 1570 dialog_vars.date_format = optionString(argv, &offset); 1571 break; 1572 case o_time_format: 1573 dialog_vars.time_format = optionString(argv, &offset); 1574 break; 1575 case o_keep_tite: 1576 dialog_vars.keep_tite = TRUE; 1577 break; 1578 case o_ascii_lines: 1579 dialog_vars.ascii_lines = TRUE; 1580 dialog_vars.no_lines = FALSE; 1581 break; 1582 case o_no_lines: 1583 dialog_vars.no_lines = TRUE; 1584 dialog_vars.ascii_lines = FALSE; 1585 break; 1586 case o_no_mouse: 1587 dialog_state.no_mouse = TRUE; 1588 mouse_close(); 1589 break; 1590 #ifdef HAVE_WHIPTAIL 1591 case o_topleft: 1592 dialog_vars.begin_set = TRUE; 1593 dialog_vars.begin_y = 0; 1594 dialog_vars.begin_x = 0; 1595 break; 1596 case o_fullbutton: 1597 /* ignore */ 1598 break; 1599 #endif 1600 /* options of Xdialog which we ignore */ 1601 case o_icon: 1602 case o_wmclass: 1603 (void) optionString(argv, &offset); 1604 /* FALLTHRU */ 1605 case o_allow_close: 1606 case o_auto_placement: 1607 case o_fixed_font: 1608 case o_keep_colors: 1609 case o_no_close: 1610 case o_no_cr_wrap: 1611 case o_screen_center: 1612 case o_smooth: 1613 case o_under_mouse: 1614 break; 1615 case o_unknown: 1616 if (ignore_unknown) 1617 break; 1618 /* FALLTHRU */ 1619 default: /* no more common options */ 1620 done = TRUE; 1621 break; 1622 #ifdef HAVE_DLG_TRACE 1623 case o_trace: 1624 process_trace_option(argv, &offset); 1625 break; 1626 #endif 1627 #if defined(HAVE_XDIALOG2) || defined(HAVE_WHIPTAIL) 1628 case o_no_items: 1629 dialog_vars.no_items = TRUE; 1630 break; 1631 case o_no_tags: 1632 dialog_vars.no_tags = TRUE; 1633 break; 1634 #endif 1635 } 1636 if (!done) 1637 offset++; 1638 } 1639 return offset; 1640 } 1641 1642 /* 1643 * Initialize options at the start of a series of common options culminating 1644 * in a widget. 1645 */ 1646 static void 1647 init_result(char *buffer) 1648 { 1649 static bool first = TRUE; 1650 static char **special_argv = 0; 1651 static int special_argc = 0; 1652 1653 dlg_trace_msg("# init_result\n"); 1654 1655 /* clear everything we do not save for the next widget */ 1656 memset(&dialog_vars, 0, sizeof(dialog_vars)); 1657 1658 dialog_vars.input_result = buffer; 1659 dialog_vars.input_result[0] = '\0'; 1660 1661 dialog_vars.default_button = -1; 1662 1663 /* 1664 * The first time this is called, check for common options given by an 1665 * environment variable. 1666 */ 1667 if (first) { 1668 char *env = getenv("DIALOGOPTS"); 1669 if (env != 0) 1670 env = dlg_strclone(env); 1671 if (env != 0) { 1672 special_argv = dlg_string_to_argv(env); 1673 special_argc = dlg_count_argv(special_argv); 1674 } 1675 first = FALSE; 1676 } 1677 1678 /* 1679 * If we are not checking memory leaks, just do the parse of the 1680 * environment once. 1681 */ 1682 if (special_argv != 0) { 1683 process_common_options(special_argc, special_argv, 0, FALSE); 1684 #ifdef NO_LEAKS 1685 free(special_argv[0]); 1686 free(special_argv); 1687 special_argv = 0; 1688 special_argc = 0; 1689 first = TRUE; 1690 #endif 1691 } 1692 } 1693 1694 int 1695 main(int argc, char *argv[]) 1696 { 1697 char temp[256]; 1698 bool esc_pressed = FALSE; 1699 bool keep_tite = FALSE; 1700 int offset = 1; 1701 int offset_add; 1702 int retval = DLG_EXIT_OK; 1703 int j, have; 1704 eOptions code; 1705 const Mode *modePtr; 1706 char my_buffer[MAX_LEN + 1]; 1707 1708 memset(&dialog_state, 0, sizeof(dialog_state)); 1709 memset(&dialog_vars, 0, sizeof(dialog_vars)); 1710 1711 #if defined(ENABLE_NLS) 1712 /* initialize locale support */ 1713 setlocale(LC_ALL, ""); 1714 bindtextdomain(NLS_TEXTDOMAIN, LOCALEDIR); 1715 textdomain(NLS_TEXTDOMAIN); 1716 #elif defined(HAVE_SETLOCALE) 1717 (void) setlocale(LC_ALL, ""); 1718 #endif 1719 1720 unescape_argv(&argc, &argv); 1721 program = argv[0]; 1722 dialog_state.output = stderr; 1723 dialog_state.input = stdin; 1724 1725 /* 1726 * Look for the last --stdout, --stderr or --output-fd option, and use 1727 * that. We can only write to one of them. If --stdout is used, that 1728 * can interfere with initializing the curses library, so we want to 1729 * know explicitly if it is used. 1730 * 1731 * Also, look for any --version or --help message, processing those 1732 * immediately. 1733 */ 1734 while (offset < argc) { 1735 int base = offset; 1736 switch (lookupOption(argv[offset], 7)) { 1737 case o_stdout: 1738 dialog_state.output = stdout; 1739 break; 1740 case o_stderr: 1741 dialog_state.output = stderr; 1742 break; 1743 case o_input_fd: 1744 if ((j = optionValue(argv, &offset)) < 0 1745 || (dialog_state.input = fdopen(j, "r")) == 0) 1746 dlg_exiterr("Cannot open input-fd\n"); 1747 break; 1748 case o_output_fd: 1749 if ((j = optionValue(argv, &offset)) < 0 1750 || (dialog_state.output = fdopen(j, "w")) == 0) 1751 dlg_exiterr("Cannot open output-fd\n"); 1752 break; 1753 case o_keep_tite: 1754 keep_tite = TRUE; 1755 break; 1756 case o_version: 1757 dialog_state.output = stdout; 1758 PrintVersion(dialog_state.output); 1759 exit(DLG_EXIT_OK); 1760 break; 1761 case o_help: 1762 Help(); 1763 break; 1764 #ifdef HAVE_DLG_TRACE 1765 case o_trace: 1766 /* 1767 * Process/remove the --trace option if it is the first option. 1768 * Otherwise, process it in more/less expected order as a 1769 * "common" option. 1770 */ 1771 if (base == 1) { 1772 process_trace_option(argv, &offset); 1773 break; 1774 } else { 1775 ++offset; 1776 continue; 1777 } 1778 #endif 1779 default: 1780 ++offset; 1781 continue; 1782 } 1783 dlg_trace_msg("# discarding %d parameters starting with argv[%d] (%s)\n", 1784 1 + offset - base, base, 1785 argv[base]); 1786 for (j = base; j < argc; ++j) { 1787 dialog_argv[j] = dialog_argv[j + 1 + (offset - base)]; 1788 if (dialog_opts != 0) 1789 dialog_opts[j] = dialog_opts[j + 1 + (offset - base)]; 1790 } 1791 argc -= (1 + offset - base); 1792 offset = base; 1793 } 1794 offset = 1; 1795 init_result(my_buffer); 1796 1797 /* 1798 * Dialog's output may be redirected (see above). Handle the special 1799 * case of options that only report information without interaction. 1800 */ 1801 if (argc == 2) { 1802 switch (lookupOption(argv[1], 7)) { 1803 case o_print_maxsize: 1804 (void) initscr(); 1805 endwin(); 1806 fflush(dialog_state.output); 1807 fprintf(dialog_state.output, "MaxSize: %d, %d\n", SLINES, SCOLS); 1808 break; 1809 case o_print_version: 1810 PrintVersion(dialog_state.output); 1811 break; 1812 case o_clear: 1813 initscr(); 1814 refresh(); 1815 endwin(); 1816 break; 1817 case o_ignore: 1818 break; 1819 default: 1820 Help(); 1821 break; 1822 } 1823 return DLG_EXIT_OK; 1824 } 1825 1826 if (argc < 2) { 1827 Help(); 1828 } 1829 #ifdef HAVE_RC_FILE 1830 if (lookupOption(argv[1], 7) == o_create_rc) { 1831 if (argc != 3) { 1832 sprintf(temp, "Expected a filename for %.50s", argv[1]); 1833 Usage(temp); 1834 } 1835 if (dlg_parse_rc() == -1) /* Read the configuration file */ 1836 dlg_exiterr("dialog: dlg_parse_rc"); 1837 dlg_create_rc(argv[2]); 1838 return DLG_EXIT_OK; 1839 } 1840 #endif 1841 1842 dialog_vars.keep_tite = keep_tite; /* init_result() cleared global */ 1843 1844 init_dialog(dialog_state.input, dialog_state.output); 1845 1846 while (offset < argc && !esc_pressed) { 1847 init_result(my_buffer); 1848 1849 offset = process_common_options(argc, argv, offset, TRUE); 1850 1851 if (argv[offset] == NULL) { 1852 if (ignore_unknown) 1853 break; 1854 Usage("Expected a box option"); 1855 } 1856 1857 if (lookupOption(argv[offset], 2) != o_checklist 1858 && dialog_vars.separate_output) { 1859 sprintf(temp, "Expected --checklist, not %.20s", argv[offset]); 1860 Usage(temp); 1861 } 1862 1863 if (dialog_state.aspect_ratio == 0) 1864 dialog_state.aspect_ratio = DEFAULT_ASPECT_RATIO; 1865 1866 dlg_put_backtitle(); 1867 1868 /* use a table to look for the requested mode, to avoid code duplication */ 1869 1870 modePtr = 0; 1871 if ((code = lookupOption(argv[offset], 2)) != o_unknown) 1872 modePtr = lookupMode(code); 1873 if (modePtr == 0) { 1874 sprintf(temp, "%s option %.20s", 1875 lookupOption(argv[offset], 7) != o_unknown 1876 ? "Unexpected" 1877 : "Unknown", 1878 argv[offset]); 1879 Usage(temp); 1880 } 1881 1882 have = arg_rest(&argv[offset]); 1883 if (have < modePtr->argmin) { 1884 sprintf(temp, "Expected at least %d tokens for %.20s, have %d", 1885 modePtr->argmin - 1, argv[offset], 1886 have - 1); 1887 Usage(temp); 1888 } 1889 if (modePtr->argmax && have > modePtr->argmax) { 1890 sprintf(temp, 1891 "Expected no more than %d tokens for %.20s, have %d", 1892 modePtr->argmax - 1, argv[offset], 1893 have - 1); 1894 Usage(temp); 1895 } 1896 1897 /* 1898 * Trim whitespace from non-title option values, e.g., the ones that 1899 * will be used as captions or prompts. Do that only for the widget 1900 * we are about to process, since the "--trim" option is reset before 1901 * accumulating options for each widget. 1902 */ 1903 for (j = offset + 1; j <= offset + have; j++) { 1904 switch (lookupOption(argv[j - 1], 7)) { 1905 case o_unknown: 1906 case o_title: 1907 case o_backtitle: 1908 case o_help_line: 1909 case o_help_file: 1910 break; 1911 default: 1912 if (argv[j] != 0) { 1913 char *argv_j = strdup(argv[j]); 1914 if (argv_j != 0) { 1915 dlg_trim_string(argv_j); 1916 argv[j] = argv_j; 1917 } else { 1918 argv[j] = strdup("?"); 1919 } 1920 } 1921 break; 1922 } 1923 } 1924 1925 retval = show_result((*(modePtr->jumper)) (dialog_vars.title, 1926 argv + offset, 1927 &offset_add)); 1928 dlg_trace_msg("# widget returns %d\n", retval); 1929 offset += offset_add; 1930 1931 if (dialog_vars.input_result != my_buffer) { 1932 free(dialog_vars.input_result); 1933 dialog_vars.input_result = 0; 1934 } 1935 1936 if (retval == DLG_EXIT_ESC) { 1937 esc_pressed = TRUE; 1938 } else { 1939 1940 if (dialog_vars.beep_after_signal) 1941 (void) beep(); 1942 1943 if (dialog_vars.sleep_secs) 1944 (void) napms(dialog_vars.sleep_secs * 1000); 1945 1946 if (offset < argc) { 1947 switch (lookupOption(argv[offset], 7)) { 1948 case o_and_widget: 1949 offset++; 1950 break; 1951 case o_unknown: 1952 sprintf(temp, "Expected --and-widget, not %.20s", 1953 argv[offset]); 1954 Usage(temp); 1955 break; 1956 default: 1957 /* if we got a cancel, etc., stop chaining */ 1958 if (retval != DLG_EXIT_OK) 1959 esc_pressed = TRUE; 1960 else 1961 dialog_vars.dlg_clear_screen = TRUE; 1962 break; 1963 } 1964 } 1965 if (dialog_vars.dlg_clear_screen) 1966 dlg_clear(); 1967 } 1968 } 1969 1970 dlg_killall_bg(&retval); 1971 if (dialog_state.screen_initialized) { 1972 (void) refresh(); 1973 end_dialog(); 1974 } 1975 dlg_exit(retval); 1976 } 1977