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freebsd-dev/contrib/dialog/dialog.c
Nathan Whitehorn 4c8945a06b Update dialog to version 20100428. This changes the license under which 
dialog is distributed from GPLv2 to LGPLv2 and introduces a number of new
features and a new and better libdialog API. The existing libdialog will
be kept temporarily as libodialog for compatibility purposes until sade,
sysinstall and tzsetup have been either updated or replaced.

__FreeBSD_version is now 900030.

Discussed on:	-current
Approved by:	core
Obtained from:	http://invisible-island.net/dialog
2011-01-12 14:55:02 +00:00

1711 lines
41 KiB
C
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/*
* $Id: dialog.c,v 1.177 2010/01/18 09:21:14 tom Exp $
*
* cdialog - Display simple dialog boxes from shell scripts
*
* Copyright 2000-2008,2010 Thomas E. Dickey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License, version 2.1
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to
* Free Software Foundation, Inc.
* 51 Franklin St., Fifth Floor
* Boston, MA 02110, USA.
*
* An earlier version of this program lists as authors
* Savio Lam (lam836@cs.cuhk.hk)
*/
#include <dialog.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_SETLOCALE
#include <locale.h>
#endif
#define PASSARGS t, av, offset_add
#define CALLARGS const char *t, char *av[], int *offset_add
typedef int (callerFn) (CALLARGS);
typedef enum {
o_unknown = 0
,o_allow_close
,o_and_widget
,o_ascii_lines
,o_aspect
,o_auto_placement
,o_backtitle
,o_beep
,o_beep_after
,o_begin
,o_calendar
,o_cancel_label
,o_checklist
,o_clear
,o_colors
,o_column_separator
,o_cr_wrap
,o_create_rc
,o_date_format
,o_default_item
,o_defaultno
,o_dselect
,o_editbox
,o_exit_label
,o_extra_button
,o_extra_label
,o_fixed_font
,o_form
,o_fselect
,o_fullbutton
,o_gauge
,o_help
,o_help_button
,o_help_label
,o_help_status
,o_icon
,o_ignore
,o_infobox
,o_input_fd
,o_inputbox
,o_inputmenu
,o_insecure
,o_item_help
,o_keep_colors
,o_keep_tite
,o_keep_window
,o_max_input
,o_menu
,o_mixedform
,o_mixedgauge
,o_msgbox
,o_no_close
,o_no_collapse
,o_no_cr_wrap
,o_no_kill
,o_no_label
,o_no_lines
,o_no_shadow
,o_nocancel
,o_noitem
,o_nook
,o_ok_label
,o_output_fd
,o_output_separator
,o_passwordbox
,o_passwordform
,o_pause
,o_print_maxsize
,o_print_size
,o_print_version
,o_progressbox
,o_quoted
,o_radiolist
,o_screen_center
,o_scrollbar
,o_separate_output
,o_separate_widget
,o_separator
,o_shadow
,o_single_quoted
,o_size_err
,o_sleep
,o_smooth
,o_stderr
,o_stdout
,o_tab_correct
,o_tab_len
,o_tailbox
,o_tailboxbg
,o_textbox
,o_time_format
,o_timebox
,o_timeout
,o_title
,o_trim
,o_under_mouse
,o_visit_items
,o_wmclass
,o_yes_label
,o_yesno
#ifdef HAVE_DLG_TRACE
,o_trace
#endif
} eOptions;
/*
* The bits in 'pass' are used to decide which options are applicable at
* different stages in the program:
* 1 flags before widgets
* 2 widgets
* 4 non-widget options
*/
typedef struct {
const char *name;
eOptions code;
int pass; /* 1,2,4 or combination */
const char *help; /* NULL to suppress, non-empty to display params */
} Options;
typedef struct {
eOptions code;
int argmin, argmax;
callerFn *jumper;
} Mode;
static bool *dialog_opts;
static char **dialog_argv;
static bool ignore_unknown = FALSE;
static const char *program = "dialog";
/*
* The options[] table is organized this way to make it simple to maintain
* a sorted list of options for the help-message.
*/
/* *INDENT-OFF* */
static const Options options[] = {
{ "allow-close", o_allow_close, 1, NULL },
{ "and-widget", o_and_widget, 4, NULL },
{ "ascii-lines", o_ascii_lines, 1, "" },
{ "aspect", o_aspect, 1, "<ratio>" },
{ "auto-placement", o_auto_placement, 1, NULL },
{ "backtitle", o_backtitle, 1, "<backtitle>" },
{ "beep", o_beep, 1, NULL },
{ "beep-after", o_beep_after, 1, NULL },
{ "begin", o_begin, 1, "<y> <x>" },
{ "calendar", o_calendar, 2, "<text> <height> <width> <day> <month> <year>" },
{ "cancel-label", o_cancel_label, 1, "<str>" },
{ "checklist", o_checklist, 2, "<text> <height> <width> <list height> <tag1> <item1> <status1>..." },
{ "clear", o_clear, 1, "" },
{ "colors", o_colors, 1, "" },
{ "column-separator",o_column_separator, 1, "<str>" },
{ "cr-wrap", o_cr_wrap, 1, "" },
{ "create-rc", o_create_rc, 1, NULL },
{ "date-format", o_date_format, 1, "<str>" },
{ "default-item", o_default_item, 1, "<str>" },
{ "defaultno", o_defaultno, 1, "" },
{ "dselect", o_dselect, 2, "<directory> <height> <width>" },
{ "editbox", o_editbox, 2, "<file> <height> <width>" },
{ "exit-label", o_exit_label, 1, "<str>" },
{ "extra-button", o_extra_button, 1, "" },
{ "extra-label", o_extra_label, 1, "<str>" },
{ "fb", o_fullbutton, 1, NULL },
{ "fixed-font", o_fixed_font, 1, NULL },
{ "form", o_form, 2, "<text> <height> <width> <form height> <label1> <l_y1> <l_x1> <item1> <i_y1> <i_x1> <flen1> <ilen1>..." },
{ "fselect", o_fselect, 2, "<filepath> <height> <width>" },
{ "fullbutton", o_fullbutton, 1, NULL },
{ "gauge", o_gauge, 2, "<text> <height> <width> [<percent>]" },
{ "guage", o_gauge, 2, NULL },
{ "help", o_help, 4, "" },
{ "help-button", o_help_button, 1, "" },
{ "help-label", o_help_label, 1, "<str>" },
{ "help-status", o_help_status, 1, "" },
{ "icon", o_icon, 1, NULL },
{ "ignore", o_ignore, 1, "" },
{ "infobox", o_infobox, 2, "<text> <height> <width>" },
{ "input-fd", o_input_fd, 1, "<fd>" },
{ "inputbox", o_inputbox, 2, "<text> <height> <width> [<init>]" },
{ "inputmenu", o_inputmenu, 2, "<text> <height> <width> <menu height> <tag1> <item1>..." },
{ "insecure", o_insecure, 1, "" },
{ "item-help", o_item_help, 1, "" },
{ "keep-colors", o_keep_colors, 1, NULL },
{ "keep-tite", o_keep_tite, 1, "" },
{ "keep-window", o_keep_window, 1, "" },
{ "max-input", o_max_input, 1, "<n>" },
{ "menu", o_menu, 2, "<text> <height> <width> <menu height> <tag1> <item1>..." },
{ "mixedform", o_mixedform, 2, "<text> <height> <width> <form height> <label1> <l_y1> <l_x1> <item1> <i_y1> <i_x1> <flen1> <ilen1> <itype>..." },
{ "mixedgauge", o_mixedgauge, 2, "<text> <height> <width> <percent> <tag1> <item1>..." },
{ "msgbox", o_msgbox, 2, "<text> <height> <width>" },
{ "no-cancel", o_nocancel, 1, "" },
{ "no-close", o_no_close, 1, NULL },
{ "no-collapse", o_no_collapse, 1, "" },
{ "no-cr-wrap", o_no_cr_wrap, 1, NULL },
{ "no-kill", o_no_kill, 1, "" },
{ "no-label", o_no_label, 1, "<str>" },
{ "no-lines", o_no_lines, 1, "" },
{ "no-ok", o_nook, 1, "" },
{ "no-shadow", o_no_shadow, 1, "" },
{ "nocancel", o_nocancel, 1, NULL }, /* see --no-cancel */
{ "noitem", o_noitem, 1, NULL },
{ "nook", o_nook, 1, "" }, /* See no-ok */
{ "ok-label", o_ok_label, 1, "<str>" },
{ "output-fd", o_output_fd, 1, "<fd>" },
{ "output-separator",o_output_separator, 1, "<str>" },
{ "passwordbox", o_passwordbox, 2, "<text> <height> <width> [<init>]" },
{ "passwordform", o_passwordform, 2, "<text> <height> <width> <form height> <label1> <l_y1> <l_x1> <item1> <i_y1> <i_x1> <flen1> <ilen1>..." },
{ "pause", o_pause, 2, "<text> <height> <width> <seconds>" },
{ "print-maxsize", o_print_maxsize, 1, "" },
{ "print-size", o_print_size, 1, "" },
{ "print-version", o_print_version, 5, "" },
{ "progressbox", o_progressbox, 2, "<height> <width>" },
{ "quoted", o_quoted, 1, "" },
{ "radiolist", o_radiolist, 2, "<text> <height> <width> <list height> <tag1> <item1> <status1>..." },
{ "screen-center", o_screen_center, 1, NULL },
{ "scrollbar", o_scrollbar, 1, "" },
{ "separate-output",o_separate_output, 1, "" },
{ "separate-widget",o_separate_widget, 1, "<str>" },
{ "separator", o_separator, 1, NULL },
{ "shadow", o_shadow, 1, "" },
{ "single-quoted", o_single_quoted, 1, "" },
{ "size-err", o_size_err, 1, "" },
{ "sleep", o_sleep, 1, "<secs>" },
{ "smooth", o_smooth, 1, NULL },
{ "stderr", o_stderr, 1, "" },
{ "stdout", o_stdout, 1, "" },
{ "tab-correct", o_tab_correct, 1, "" },
{ "tab-len", o_tab_len, 1, "<n>" },
{ "tailbox", o_tailbox, 2, "<file> <height> <width>" },
{ "tailboxbg", o_tailboxbg, 2, "<file> <height> <width>" },
{ "textbox", o_textbox, 2, "<file> <height> <width>" },
{ "time-format", o_time_format, 1, "<str>" },
{ "timebox", o_timebox, 2, "<text> <height> <width> <hour> <minute> <second>" },
{ "timeout", o_timeout, 1, "<secs>" },
{ "title", o_title, 1, "<title>" },
{ "trim", o_trim, 1, "" },
{ "under-mouse", o_under_mouse, 1, NULL },
{ "version", o_print_version, 5, "" },
{ "visit-items", o_visit_items, 1, "" },
{ "wmclass", o_wmclass, 1, NULL },
{ "yes-label", o_yes_label, 1, "<str>" },
{ "yesno", o_yesno, 2, "<text> <height> <width>" },
#ifdef HAVE_DLG_TRACE
{ "trace", o_trace, 1, "<file>" },
#endif
};
/* *INDENT-ON* */
/*
* Convert a string to an argv[], returning a char** index (which must be
* freed by the caller). The string is modified (replacing gaps between
* tokens with nulls).
*/
static char **
string_to_argv(char *blob)
{
size_t n;
int pass;
size_t length = strlen(blob);
char **result = 0;
for (pass = 0; pass < 2; ++pass) {
bool inparm = FALSE;
bool quoted = FALSE;
char *param = blob;
size_t count = 0;
for (n = 0; n < length; ++n) {
if (quoted && blob[n] == '"') {
quoted = FALSE;
} else if (blob[n] == '"') {
quoted = TRUE;
if (!inparm) {
if (pass)
result[count] = param;
++count;
inparm = TRUE;
}
} else if (blob[n] == '\\') {
if (quoted && !isspace(UCH(blob[n + 1]))) {
if (!inparm) {
if (pass)
result[count] = param;
++count;
inparm = TRUE;
}
if (pass) {
*param++ = blob[n];
*param++ = blob[n + 1];
}
}
++n;
} else if (!quoted && isspace(UCH(blob[n]))) {
inparm = FALSE;
if (pass) {
*param++ = '\0';
}
} else {
if (!inparm) {
if (pass)
result[count] = param;
++count;
inparm = TRUE;
}
if (pass) {
*param++ = blob[n];
}
}
}
if (!pass) {
if (count) {
result = dlg_calloc(char *, count + 1);
assert_ptr(result, "string_to_argv");
} else {
break; /* no tokens found */
}
} else {
*param = '\0';
}
}
return result;
}
/*
* Count the entries in an argv list.
*/
static int
count_argv(char **argv)
{
int result = 0;
if (argv != 0) {
while (argv[result] != 0)
++result;
}
return result;
}
static int
eat_argv(int *argcp, char ***argvp, int start, int count)
{
int k;
*argcp -= count;
for (k = start; k <= *argcp; k++)
(*argvp)[k] = (*argvp)[k + count];
(*argvp)[*argcp] = 0;
return TRUE;
}
/*
* Make an array showing which argv[] entries are options. Use "--" as a
* special token to escape the next argument, allowing it to begin with "--".
* When we find a "--" argument, also remove it from argv[] and adjust argc.
* That appears to be an undocumented feature of the popt library.
*
* Also, if we see a "--file", expand it into the parameter list by reading the
* text from the given file and stripping quotes, treating whitespace outside
* quotes as a parameter delimiter.
*
* Finally, if we see a "--args", dump the current list of arguments to the
* standard error. This is used for debugging complex --file combinations.
*/
static void
unescape_argv(int *argcp, char ***argvp)
{
int j, k;
int limit_includes = 20 + *argcp;
int count_includes = 0;
bool changed = FALSE;
bool doalloc = FALSE;
char *filename;
dialog_opts = dlg_calloc(bool, (size_t) *argcp + 1);
assert_ptr(dialog_opts, "unescape_argv");
for (j = 1; j < *argcp; j++) {
bool escaped = FALSE;
if (!strcmp((*argvp)[j], "--")) {
escaped = TRUE;
changed = eat_argv(argcp, argvp, j, 1);
} else if (!strcmp((*argvp)[j], "--args")) {
fprintf(stderr, "Showing arguments at arg%d\n", j);
for (k = 0; k < *argcp; ++k) {
fprintf(stderr, " arg%d:%s\n", k, (*argvp)[k]);
}
changed = eat_argv(argcp, argvp, j, 1);
} else if (!strcmp((*argvp)[j], "--file")) {
if (++count_includes > limit_includes)
dlg_exiterr("Too many --file options");
if ((filename = (*argvp)[j + 1]) != 0) {
FILE *fp;
char **list;
char *blob;
int added;
size_t bytes_read;
size_t length;
int n;
if (*filename == '&') {
fp = fdopen(atoi(filename + sizeof(char)), "r");
} else {
fp = fopen(filename, "r");
}
if (fp) {
blob = NULL;
length = 0;
do {
blob = dlg_realloc(char, length + BUFSIZ + 1, blob);
assert_ptr(blob, "unescape_argv");
bytes_read = fread(blob + length,
sizeof(char),
BUFSIZ,
fp);
length += bytes_read;
if (ferror(fp))
dlg_exiterr("error on filehandle in unescape_argv");
} while (bytes_read == BUFSIZ);
fclose(fp);
blob[length] = '\0';
list = string_to_argv(blob);
if ((added = count_argv(list)) != 0) {
if (added > 2) {
size_t need = (size_t) (*argcp + added + 1);
if (doalloc) {
*argvp = dlg_realloc(char *, need, *argvp);
assert_ptr(*argvp, "unescape_argv");
} else {
char **newp = dlg_malloc(char *, need);
assert_ptr(newp, "unescape_argv");
for (n = 0; n < *argcp; ++n) {
newp[n] = (*argvp)[n];
}
*argvp = newp;
doalloc = TRUE;
}
dialog_opts = dlg_realloc(bool, need, dialog_opts);
assert_ptr(dialog_opts, "unescape_argv");
}
for (n = *argcp; n >= j + 2; --n) {
(*argvp)[n + added - 2] = (*argvp)[n];
dialog_opts[n + added - 2] = dialog_opts[n];
}
for (n = 0; n < added; ++n) {
(*argvp)[n + j] = list[n];
dialog_opts[n + j] = FALSE;
}
*argcp += added - 2;
free(list);
}
} else {
dlg_exiterr("Cannot open --file %s", filename);
}
(*argvp)[*argcp] = 0;
++j;
continue;
} else {
dlg_exiterr("No value given for --file");
}
}
if (!escaped
&& (*argvp)[j] != 0
&& !strncmp((*argvp)[j], "--", 2)
&& isalpha(UCH((*argvp)[j][2]))) {
dialog_opts[j] = TRUE;
}
}
/* if we didn't find any "--" tokens, there's no reason to do the table
* lookup in isOption()
*/
if (!changed) {
free(dialog_opts);
dialog_opts = 0;
}
dialog_argv = (*argvp);
}
/*
* Check if the given string from main's argv is an option.
*/
static bool
isOption(const char *arg)
{
bool result = FALSE;
if (arg != 0) {
if (dialog_opts != 0) {
int n;
for (n = 1; dialog_argv[n] != 0; ++n) {
if (dialog_argv[n] == arg) {
result = dialog_opts[n];
break;
}
}
} else if (!strncmp(arg, "--", 2) && isalpha(UCH(arg[2]))) {
result = TRUE;
}
}
return result;
}
static eOptions
lookupOption(const char *name, int pass)
{
unsigned n;
if (isOption(name)) {
name += 2;
for (n = 0; n < sizeof(options) / sizeof(options[0]); n++) {
if ((pass & options[n].pass) != 0
&& !strcmp(name, options[n].name)) {
return options[n].code;
}
}
}
return o_unknown;
}
static void
Usage(const char *msg)
{
dlg_exiterr("Error: %s.\nUse --help to list options.\n\n", msg);
}
/*
* Count arguments, stopping at the end of the argument list, or on any of our
* "--" tokens.
*/
static int
arg_rest(char *argv[])
{
int i = 1; /* argv[0] points to a "--" token */
while (argv[i] != 0
&& (!isOption(argv[i]) || lookupOption(argv[i], 7) == o_unknown))
i++;
return i;
}
/*
* In MultiWidget this function is needed to count how many tags
* a widget (menu, checklist, radiolist) has
*/
static int
howmany_tags(char *argv[], int group)
{
int result = 0;
int have;
const char *format = "Expected %d arguments, found only %d";
char temp[80];
while (argv[0] != 0) {
if (isOption(argv[0]))
break;
if ((have = arg_rest(argv)) < group) {
sprintf(temp, format, group, have);
Usage(temp);
}
argv += group;
result++;
}
return result;
}
static int
numeric_arg(char **av, int n)
{
char *last = 0;
int result = strtol(av[n], &last, 10);
char msg[80];
if (last == 0 || *last != 0) {
sprintf(msg, "Expected a number for token %d of %.20s", n, av[0]);
Usage(msg);
}
return result;
}
static char *
optional_str(char **av, int n, char *dft)
{
char *ret = dft;
if (arg_rest(av) > n)
ret = av[n];
return ret;
}
#if defined(HAVE_DLG_GAUGE) || defined(HAVE_XDIALOG)
static int
optional_num(char **av, int n, int dft)
{
int ret = dft;
if (arg_rest(av) > n)
ret = numeric_arg(av, n);
return ret;
}
#endif
/*
* On AIX 4.x, we have to flush the output right away since there is a bug in
* the curses package which discards stdout even when we've used newterm to
* redirect output to /dev/tty.
*/
static int
show_result(int ret)
{
bool either = FALSE;
switch (ret) {
case DLG_EXIT_OK:
case DLG_EXIT_EXTRA:
case DLG_EXIT_HELP:
case DLG_EXIT_ITEM_HELP:
if ((dialog_state.output_count > 1) && !dialog_vars.separate_output) {
fputs((dialog_state.separate_str
? dialog_state.separate_str
: DEFAULT_SEPARATE_STR),
dialog_state.output);
either = TRUE;
}
if (dialog_vars.input_result[0] != '\0') {
fputs(dialog_vars.input_result, dialog_state.output);
either = TRUE;
}
if (either) {
fflush(dialog_state.output);
}
break;
}
return ret;
}
/*
* These are the widget callers.
*/
static int
call_yesno(CALLARGS)
{
*offset_add = 4;
return dialog_yesno(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3));
}
static int
call_msgbox(CALLARGS)
{
*offset_add = 4;
return dialog_msgbox(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3), 1);
}
static int
call_infobox(CALLARGS)
{
*offset_add = 4;
return dialog_msgbox(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3), 0);
}
static int
call_textbox(CALLARGS)
{
*offset_add = 4;
return dialog_textbox(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3));
}
static int
call_menu(CALLARGS)
{
int tags = howmany_tags(av + 5, MENUBOX_TAGS);
*offset_add = 5 + tags * MENUBOX_TAGS;
return dialog_menu(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
numeric_arg(av, 4),
tags, av + 5);
}
static int
call_inputmenu(CALLARGS)
{
int tags = howmany_tags(av + 5, MENUBOX_TAGS);
dialog_vars.input_menu = TRUE;
if (dialog_vars.max_input == 0)
dialog_vars.max_input = MAX_LEN / 2;
if (dialog_vars.extra_label == 0)
dialog_vars.extra_label = _("Rename");
dialog_vars.extra_button = TRUE;
*offset_add = 5 + tags * MENUBOX_TAGS;
return dialog_menu(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
numeric_arg(av, 4),
tags, av + 5);
}
static int
call_checklist(CALLARGS)
{
int tags = howmany_tags(av + 5, CHECKBOX_TAGS);
int code;
bool save_quoted = dialog_vars.quoted;
dialog_vars.quoted = !dialog_vars.separate_output;
*offset_add = 5 + tags * CHECKBOX_TAGS;
code = dialog_checklist(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
numeric_arg(av, 4),
tags, av + 5, FLAG_CHECK);
dialog_vars.quoted = save_quoted;
return code;
}
static int
call_radiolist(CALLARGS)
{
int tags = howmany_tags(av + 5, CHECKBOX_TAGS);
*offset_add = 5 + tags * CHECKBOX_TAGS;
return dialog_checklist(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
numeric_arg(av, 4),
tags, av + 5, FLAG_RADIO);
}
static int
call_inputbox(CALLARGS)
{
*offset_add = arg_rest(av);
return dialog_inputbox(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
optional_str(av, 4, 0), 0);
}
static int
call_passwordbox(CALLARGS)
{
*offset_add = arg_rest(av);
return dialog_inputbox(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
optional_str(av, 4, 0), 1);
}
#ifdef HAVE_XDIALOG
static int
call_calendar(CALLARGS)
{
*offset_add = arg_rest(av);
return dialog_calendar(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
optional_num(av, 4, -1),
optional_num(av, 5, -1),
optional_num(av, 6, -1));
}
static int
call_dselect(CALLARGS)
{
*offset_add = arg_rest(av);
return dialog_dselect(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3));
}
static int
call_editbox(CALLARGS)
{
*offset_add = 4;
return dialog_editbox(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3));
}
static int
call_fselect(CALLARGS)
{
*offset_add = arg_rest(av);
return dialog_fselect(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3));
}
static int
call_timebox(CALLARGS)
{
*offset_add = arg_rest(av);
return dialog_timebox(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
optional_num(av, 4, -1),
optional_num(av, 5, -1),
optional_num(av, 6, -1));
}
#endif /* HAVE_XDIALOG */
#ifdef HAVE_DLG_FORMBOX
static int
call_form(CALLARGS)
{
int group = FORMBOX_TAGS;
int tags = howmany_tags(av + 5, group);
*offset_add = 5 + tags * group;
return dialog_form(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
numeric_arg(av, 4),
tags, av + 5);
}
static int
call_password_form(CALLARGS)
{
unsigned save = dialog_vars.formitem_type;
int result;
dialog_vars.formitem_type = 1;
result = call_form(PASSARGS);
dialog_vars.formitem_type = save;
return result;
}
#endif /* HAVE_DLG_FORMBOX */
#ifdef HAVE_DLG_MIXEDFORM
static int
call_mixed_form(CALLARGS)
{
int group = MIXEDFORM_TAGS;
int tags = howmany_tags(av + 5, group);
*offset_add = 5 + tags * group;
return dialog_mixedform(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
numeric_arg(av, 4),
tags, av + 5);
}
#endif /* HAVE_DLG_MIXEDFORM */
#ifdef HAVE_DLG_GAUGE
static int
call_gauge(CALLARGS)
{
*offset_add = arg_rest(av);
return dialog_gauge(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
optional_num(av, 4, 0));
}
static int
call_pause(CALLARGS)
{
*offset_add = arg_rest(av);
return dialog_pause(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
numeric_arg(av, 4));
}
#endif
#ifdef HAVE_MIXEDGAUGE
static int
call_mixed_gauge(CALLARGS)
{
#define MIXEDGAUGE_BASE 5
int tags = howmany_tags(av + MIXEDGAUGE_BASE, MIXEDGAUGE_TAGS);
*offset_add = MIXEDGAUGE_BASE + tags * MIXEDGAUGE_TAGS;
return dialog_mixedgauge(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
numeric_arg(av, 4),
tags, av + MIXEDGAUGE_BASE);
}
#endif
#ifdef HAVE_DLG_GAUGE
static int
call_progressbox(CALLARGS)
{
*offset_add = arg_rest(av);
/* the original version does not accept a prompt string, but for
* consistency we allow it.
*/
return ((*offset_add == 4)
? dialog_progressbox(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3))
: dialog_progressbox(t,
"",
numeric_arg(av, 1),
numeric_arg(av, 2)));
}
#endif
#ifdef HAVE_DLG_TAILBOX
static int
call_tailbox(CALLARGS)
{
*offset_add = 4;
return dialog_tailbox(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
FALSE);
}
static int
call_tailboxbg(CALLARGS)
{
*offset_add = 4;
return dialog_tailbox(t,
av[1],
numeric_arg(av, 2),
numeric_arg(av, 3),
TRUE);
}
#endif
/* *INDENT-OFF* */
static const Mode modes[] =
{
{o_yesno, 4, 4, call_yesno},
{o_msgbox, 4, 4, call_msgbox},
{o_infobox, 4, 4, call_infobox},
{o_textbox, 4, 4, call_textbox},
{o_menu, 7, 0, call_menu},
{o_inputmenu, 7, 0, call_inputmenu},
{o_checklist, 8, 0, call_checklist},
{o_radiolist, 8, 0, call_radiolist},
{o_inputbox, 4, 5, call_inputbox},
{o_passwordbox, 4, 5, call_passwordbox},
#ifdef HAVE_DLG_GAUGE
{o_gauge, 4, 5, call_gauge},
{o_pause, 5, 5, call_pause},
{o_progressbox, 3, 4, call_progressbox},
#endif
#ifdef HAVE_DLG_FORMBOX
{o_passwordform, 13, 0, call_password_form},
{o_form, 13, 0, call_form},
#endif
#ifdef HAVE_MIXEDGAUGE
{o_mixedgauge, MIXEDGAUGE_BASE, 0, call_mixed_gauge},
#endif
#ifdef HAVE_DLG_MIXEDFORM
{o_mixedform, 13, 0, call_mixed_form},
#endif
#ifdef HAVE_DLG_TAILBOX
{o_tailbox, 4, 4, call_tailbox},
{o_tailboxbg, 4, 4, call_tailboxbg},
#endif
#ifdef HAVE_XDIALOG
{o_calendar, 4, 7, call_calendar},
{o_dselect, 4, 5, call_dselect},
{o_editbox, 4, 4, call_editbox},
{o_fselect, 4, 5, call_fselect},
{o_timebox, 4, 7, call_timebox},
#endif
};
/* *INDENT-ON* */
static char *
optionString(char **argv, int *num)
{
int next = *num + 1;
char *result = argv[next];
if (result == 0) {
char temp[80];
sprintf(temp, "Expected a string-parameter for %.20s", argv[*num]);
Usage(temp);
}
*num = next;
return result;
}
static int
optionValue(char **argv, int *num)
{
int next = *num + 1;
char *src = argv[next];
char *tmp = 0;
int result = 0;
if (src != 0) {
result = strtol(src, &tmp, 0);
if (tmp == 0 || *tmp != 0)
src = 0;
}
if (src == 0) {
char temp[80];
sprintf(temp, "Expected a numeric-parameter for %.20s", argv[*num]);
Usage(temp);
}
*num = next;
return result;
}
/*
* Print parts of a message
*/
static void
PrintList(const char *const *list)
{
const char *leaf = strrchr(program, '/');
unsigned n = 0;
if (leaf != 0)
leaf++;
else
leaf = program;
while (*list != 0) {
fprintf(dialog_state.output, *list, n ? leaf : dialog_version());
(void) fputc('\n', dialog_state.output);
n = 1;
list++;
}
}
static const Mode *
lookupMode(eOptions code)
{
const Mode *modePtr = 0;
unsigned n;
for (n = 0; n < sizeof(modes) / sizeof(modes[0]); n++) {
if (modes[n].code == code) {
modePtr = &modes[n];
break;
}
}
return modePtr;
}
static int
compare_opts(const void *a, const void *b)
{
Options *const *p = (Options * const *) a;
Options *const *q = (Options * const *) b;
return strcmp((*p)->name, (*q)->name);
}
/*
* Print program help-message
*/
static void
Help(void)
{
static const char *const tbl_1[] =
{
"cdialog (ComeOn Dialog!) version %s",
"Copyright 2000-2007,2008 Thomas E. Dickey",
"This is free software; see the source for copying conditions. There is NO",
"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.",
"",
"* Display dialog boxes from shell scripts *",
"",
"Usage: %s <options> { --and-widget <options> }",
"where options are \"common\" options, followed by \"box\" options",
"",
#ifdef HAVE_RC_FILE
"Special options:",
" [--create-rc \"file\"]",
#endif
0
}, *const tbl_3[] =
{
"",
"Auto-size with height and width = 0. Maximize with height and width = -1.",
"Global-auto-size if also menu_height/list_height = 0.",
0
};
unsigned limit = sizeof(options) / sizeof(options[0]);
unsigned j, k;
const Options **opts;
opts = dlg_calloc(const Options *, limit);
assert_ptr(opts, "Help");
for (j = 0; j < limit; ++j) {
opts[j] = &(options[j]);
}
qsort(opts, limit, sizeof(Options *), compare_opts);
PrintList(tbl_1);
fprintf(dialog_state.output, "Common options:\n ");
for (j = k = 0; j < limit; j++) {
if ((opts[j]->pass & 1)
&& opts[j]->help != 0) {
unsigned len = 6 + strlen(opts[j]->name) + strlen(opts[j]->help);
k += len;
if (k > 75) {
fprintf(dialog_state.output, "\n ");
k = len;
}
fprintf(dialog_state.output, " [--%s%s%s]", opts[j]->name,
*(opts[j]->help) ? " " : "", opts[j]->help);
}
}
fprintf(dialog_state.output, "\nBox options:\n");
for (j = 0; j < limit; j++) {
if ((opts[j]->pass & 2) != 0
&& opts[j]->help != 0
&& lookupMode(opts[j]->code))
fprintf(dialog_state.output, " --%-12s %s\n", opts[j]->name,
opts[j]->help);
}
PrintList(tbl_3);
free(opts);
dlg_exit(DLG_EXIT_OK);
}
/*
* "Common" options apply to all widgets more/less. Most of the common options
* set values in dialog_vars, a few set dialog_state and a couple write to the
* output stream.
*/
static int
process_common_options(int argc, char **argv, int offset, bool output)
{
bool done = FALSE;
while (offset < argc && !done) { /* Common options */
switch (lookupOption(argv[offset], 1)) {
case o_title:
dialog_vars.title = optionString(argv, &offset);
break;
case o_backtitle:
dialog_vars.backtitle = optionString(argv, &offset);
break;
case o_separate_widget:
dialog_state.separate_str = optionString(argv, &offset);
break;
case o_separate_output:
dialog_vars.separate_output = TRUE;
break;
case o_colors:
dialog_vars.colors = TRUE;
break;
case o_cr_wrap:
dialog_vars.cr_wrap = TRUE;
break;
case o_no_collapse:
dialog_vars.nocollapse = TRUE;
break;
case o_no_kill:
dialog_vars.cant_kill = TRUE;
break;
case o_nocancel:
dialog_vars.nocancel = TRUE;
break;
case o_nook:
dialog_vars.nook = TRUE;
break;
case o_quoted:
dialog_vars.quoted = TRUE;
break;
case o_single_quoted:
dialog_vars.single_quoted = TRUE;
break;
case o_size_err:
dialog_vars.size_err = TRUE;
break;
case o_beep:
dialog_vars.beep_signal = TRUE;
break;
case o_beep_after:
dialog_vars.beep_after_signal = TRUE;
break;
case o_scrollbar:
dialog_state.use_scrollbar = TRUE;
break;
case o_shadow:
dialog_state.use_shadow = TRUE;
break;
case o_defaultno:
dialog_vars.defaultno = TRUE;
break;
case o_default_item:
dialog_vars.default_item = optionString(argv, &offset);
break;
case o_insecure:
dialog_vars.insecure = TRUE;
break;
case o_item_help:
dialog_vars.item_help = TRUE;
break;
case o_help_button:
dialog_vars.help_button = TRUE;
break;
case o_help_status:
dialog_vars.help_status = TRUE;
break;
case o_extra_button:
dialog_vars.extra_button = TRUE;
break;
case o_ignore:
ignore_unknown = TRUE;
break;
case o_keep_window:
dialog_vars.keep_window = TRUE;
break;
case o_no_shadow:
dialog_state.use_shadow = FALSE;
break;
case o_print_size:
dialog_vars.print_siz = TRUE;
break;
case o_print_maxsize:
if (output) {
/*
* If this is the last option, we do not want any error
* messages - just our output. Calling end_dialog() cancels
* the refresh() at the end of the program as well.
*/
if (argv[offset + 1] == 0) {
ignore_unknown = TRUE;
end_dialog();
}
fflush(dialog_state.output);
fprintf(dialog_state.output, "MaxSize: %d, %d\n", SLINES, SCOLS);
}
break;
case o_print_version:
if (output) {
fprintf(stdout, "Version: %s\n", dialog_version());
}
break;
case o_separator:
case o_output_separator:
dialog_vars.output_separator = optionString(argv, &offset);
break;
case o_column_separator:
dialog_vars.column_separator = optionString(argv, &offset);
break;
case o_tab_correct:
dialog_vars.tab_correct = TRUE;
break;
case o_sleep:
dialog_vars.sleep_secs = optionValue(argv, &offset);
break;
case o_timeout:
dialog_vars.timeout_secs = optionValue(argv, &offset);
break;
case o_max_input:
dialog_vars.max_input = optionValue(argv, &offset);
break;
case o_tab_len:
dialog_state.tab_len = optionValue(argv, &offset);
break;
case o_trim:
dialog_vars.trim_whitespace = TRUE;
break;
case o_visit_items:
dialog_state.visit_items = TRUE;
break;
case o_aspect:
dialog_state.aspect_ratio = optionValue(argv, &offset);
break;
case o_begin:
dialog_vars.begin_set = TRUE;
dialog_vars.begin_y = optionValue(argv, &offset);
dialog_vars.begin_x = optionValue(argv, &offset);
break;
case o_clear:
dialog_vars.dlg_clear_screen = TRUE;
break;
case o_yes_label:
dialog_vars.yes_label = optionString(argv, &offset);
break;
case o_no_label:
dialog_vars.no_label = optionString(argv, &offset);
break;
case o_ok_label:
dialog_vars.ok_label = optionString(argv, &offset);
break;
case o_cancel_label:
dialog_vars.cancel_label = optionString(argv, &offset);
break;
case o_extra_label:
dialog_vars.extra_label = optionString(argv, &offset);
break;
case o_exit_label:
dialog_vars.exit_label = optionString(argv, &offset);
break;
case o_help_label:
dialog_vars.help_label = optionString(argv, &offset);
break;
case o_date_format:
dialog_vars.date_format = optionString(argv, &offset);
break;
case o_time_format:
dialog_vars.time_format = optionString(argv, &offset);
break;
case o_keep_tite:
dialog_vars.keep_tite = TRUE;
break;
case o_ascii_lines:
dialog_vars.ascii_lines = TRUE;
dialog_vars.no_lines = FALSE;
break;
case o_no_lines:
dialog_vars.no_lines = TRUE;
dialog_vars.ascii_lines = FALSE;
break;
case o_noitem:
case o_fullbutton:
/* ignore */
break;
/* options of Xdialog which we ignore */
case o_icon:
case o_wmclass:
(void) optionString(argv, &offset);
/* FALLTHRU */
case o_allow_close:
case o_auto_placement:
case o_fixed_font:
case o_keep_colors:
case o_no_close:
case o_no_cr_wrap:
case o_screen_center:
case o_smooth:
case o_under_mouse:
break;
case o_unknown:
if (ignore_unknown)
break;
/* FALLTHRU */
default: /* no more common options */
done = TRUE;
break;
#ifdef HAVE_DLG_TRACE
case o_trace:
dlg_trace(optionString(argv, &offset));
break;
#endif
}
if (!done)
offset++;
}
return offset;
}
/*
* Initialize options at the start of a series of common options culminating
* in a widget.
*/
static void
init_result(char *buffer)
{
static bool first = TRUE;
static char **special_argv = 0;
static int special_argc = 0;
/* clear everything we do not save for the next widget */
memset(&dialog_vars, 0, sizeof(dialog_vars));
dialog_vars.input_result = buffer;
dialog_vars.input_result[0] = '\0';
/*
* The first time this is called, check for common options given by an
* environment variable.
*/
if (first) {
char *env = getenv("DIALOGOPTS");
if (env != 0)
env = dlg_strclone(env);
if (env != 0) {
special_argv = string_to_argv(env);
special_argc = count_argv(special_argv);
}
}
if (special_argv != 0) {
process_common_options(special_argc, special_argv, 0, FALSE);
#ifdef NO_LEAKS
free(special_argv[0]);
free(special_argv);
first = TRUE;
#endif
}
}
int
main(int argc, char *argv[])
{
char temp[256];
bool esc_pressed = FALSE;
bool keep_tite = FALSE;
int offset = 1;
int offset_add;
int retval = DLG_EXIT_OK;
int j, have;
eOptions code;
const Mode *modePtr;
char my_buffer[MAX_LEN + 1];
memset(&dialog_state, 0, sizeof(dialog_state));
memset(&dialog_vars, 0, sizeof(dialog_vars));
#if defined(ENABLE_NLS)
/* initialize locale support */
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
#elif defined(HAVE_SETLOCALE)
(void) setlocale(LC_ALL, "");
#endif
unescape_argv(&argc, &argv);
program = argv[0];
dialog_state.output = stderr;
dialog_state.input = stdin;
/*
* Look for the last --stdout, --stderr or --output-fd option, and use
* that. We can only write to one of them. If --stdout is used, that
* can interfere with initializing the curses library, so we want to
* know explicitly if it is used.
*/
while (offset < argc) {
int base = offset;
switch (lookupOption(argv[offset], 7)) {
case o_stdout:
dialog_state.output = stdout;
break;
case o_stderr:
dialog_state.output = stderr;
break;
case o_input_fd:
if ((j = optionValue(argv, &offset)) < 0
|| (dialog_state.input = fdopen(j, "r")) == 0)
dlg_exiterr("Cannot open input-fd\n");
break;
case o_output_fd:
if ((j = optionValue(argv, &offset)) < 0
|| (dialog_state.output = fdopen(j, "w")) == 0)
dlg_exiterr("Cannot open output-fd\n");
break;
case o_keep_tite:
keep_tite = TRUE;
break;
default:
++offset;
continue;
}
for (j = base; j < argc; ++j) {
dialog_argv[j] = dialog_argv[j + 1 + (offset - base)];
if (dialog_opts != 0)
dialog_opts[j] = dialog_opts[j + 1 + (offset - base)];
}
argc -= (1 + offset - base);
offset = base;
}
offset = 1;
init_result(my_buffer);
if (argc == 2) { /* if we don't want clear screen */
switch (lookupOption(argv[1], 7)) {
case o_print_maxsize:
(void) initscr();
endwin();
fflush(dialog_state.output);
fprintf(dialog_state.output, "MaxSize: %d, %d\n", SLINES, SCOLS);
break;
case o_print_version:
fprintf(stdout, "Version: %s\n", dialog_version());
break;
case o_clear:
initscr();
refresh();
endwin();
break;
case o_ignore:
break;
default:
case o_help:
dialog_state.output = stdout;
Help();
break;
}
return DLG_EXIT_OK;
}
if (argc < 2) {
Help();
}
#ifdef HAVE_RC_FILE
if (lookupOption(argv[1], 7) == o_create_rc) {
if (argc != 3) {
sprintf(temp, "Expected a filename for %.50s", argv[1]);
Usage(temp);
}
if (dlg_parse_rc() == -1) /* Read the configuration file */
dlg_exiterr("dialog: dlg_parse_rc");
dlg_create_rc(argv[2]);
return DLG_EXIT_OK;
}
#endif
dialog_vars.keep_tite = keep_tite; /* init_result() cleared global */
init_dialog(dialog_state.input, dialog_state.output);
while (offset < argc && !esc_pressed) {
init_result(my_buffer);
offset = process_common_options(argc, argv, offset, TRUE);
if (argv[offset] == NULL) {
if (ignore_unknown)
break;
Usage("Expected a box option");
}
if (lookupOption(argv[offset], 2) != o_checklist
&& dialog_vars.separate_output) {
sprintf(temp, "Expected --checklist, not %.20s", argv[offset]);
Usage(temp);
}
if (dialog_state.aspect_ratio == 0)
dialog_state.aspect_ratio = DEFAULT_ASPECT_RATIO;
dlg_put_backtitle();
/* use a table to look for the requested mode, to avoid code duplication */
modePtr = 0;
if ((code = lookupOption(argv[offset], 2)) != o_unknown)
modePtr = lookupMode(code);
if (modePtr == 0) {
sprintf(temp, "%s option %.20s",
lookupOption(argv[offset], 7) != o_unknown
? "Unexpected"
: "Unknown",
argv[offset]);
Usage(temp);
}
have = arg_rest(&argv[offset]);
if (have < modePtr->argmin) {
sprintf(temp, "Expected at least %d tokens for %.20s, have %d",
modePtr->argmin - 1, argv[offset],
have - 1);
Usage(temp);
}
if (modePtr->argmax && have > modePtr->argmax) {
sprintf(temp,
"Expected no more than %d tokens for %.20s, have %d",
modePtr->argmax - 1, argv[offset],
have - 1);
Usage(temp);
}
/*
* Trim whitespace from non-title option values, e.g., the ones that
* will be used as captions or prompts. Do that only for the widget
* we are about to process, since the "--trim" option is reset before
* accumulating options for each widget.
*/
for (j = offset + 1; j <= offset + have; j++) {
switch (lookupOption(argv[j - 1], 7)) {
case o_unknown:
case o_title:
case o_backtitle:
break;
default:
if (argv[j] != 0) {
dlg_trim_string(argv[j]);
}
break;
}
}
retval = show_result((*(modePtr->jumper)) (dialog_vars.title,
argv + offset,
&offset_add));
offset += offset_add;
if (dialog_vars.input_result != my_buffer)
free(dialog_vars.input_result);
if (retval == DLG_EXIT_ESC) {
esc_pressed = TRUE;
} else {
if (dialog_vars.beep_after_signal)
(void) beep();
if (dialog_vars.sleep_secs)
(void) napms(dialog_vars.sleep_secs * 1000);
if (offset < argc) {
switch (lookupOption(argv[offset], 7)) {
case o_and_widget:
offset++;
break;
case o_unknown:
sprintf(temp, "Expected --and-widget, not %.20s",
argv[offset]);
Usage(temp);
break;
default:
/* if we got a cancel, etc., stop chaining */
if (retval != DLG_EXIT_OK)
esc_pressed = TRUE;
else
dialog_vars.dlg_clear_screen = TRUE;
break;
}
}
if (dialog_vars.dlg_clear_screen)
dlg_clear();
}
}
dlg_killall_bg(&retval);
if (dialog_state.screen_initialized) {
(void) refresh();
end_dialog();
}
dlg_exit(retval);
}
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