+++ /dev/null
-/*
- * Copyright notice from original mutt:
- * Copyright (C) 1996-2002 Michael R. Elkins <me@mutt.org>
- * Copyright (C) 2004 g10 Code GmbH
- *
- * Parts were written/modified by:
- * Nico Golde <nico@ngolde.de>
- *
- * This file is part of mutt-ng, see http://www.muttng.org/.
- * It's licensed under the GNU General Public License,
- * please see the file GPL in the top level source directory.
- */
-
-#if HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <lib-lib/mem.h>
-#include <lib-lib/str.h>
-#include <lib-lib/macros.h>
-#include <lib-lib/file.h>
-
-#include "mutt.h"
-#include "enter.h"
-#include "mutt_menu.h"
-#include "mutt_curses.h"
-#include "pager.h"
-#include "mbyte.h"
-
-#include "lib/debug.h"
-
-#include <wchar.h>
-#include <termios.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <ctype.h>
-
-#ifdef HAVE_LANGINFO_YESEXPR
-#include <langinfo.h>
-#endif
-
-/* not possible to unget more than one char under some curses libs, and it
- * is impossible to unget function keys in SLang, so roll our own input
- * buffering routines.
- */
-size_t UngetCount = 0;
-static size_t UngetBufLen = 0;
-static event_t *KeyEvent;
-
-void mutt_refresh (void)
-{
- /* don't refresh when we are waiting for a child. */
- if (option (OPTKEEPQUIET))
- return;
-
- /* don't refresh in the middle of macros unless necessary */
- if (UngetCount && !option (OPTFORCEREFRESH))
- return;
-
- /* else */
- refresh ();
-}
-
-/* Make sure that the next refresh does a full refresh. This could be
- optmized by not doing it at all if DISPLAY is set as this might
- indicate that a GUI based pinentry was used. Having an option to
- customize this is of course the Mutt way. */
-void mutt_need_hard_redraw (void)
-{
- if (!getenv ("DISPLAY")) {
- keypad (stdscr, TRUE);
- clearok (stdscr, TRUE);
- set_option (OPTNEEDREDRAW);
- }
-}
-
-event_t mutt_getch (void)
-{
- int ch;
- event_t err = { -1, OP_NULL }, ret;
-
- if (!option (OPTUNBUFFEREDINPUT) && UngetCount)
- return (KeyEvent[--UngetCount]);
-
- SigInt = 0;
-
- mutt_allow_interrupt (1);
-#ifdef KEY_RESIZE
- /* ncurses 4.2 sends this when the screen is resized */
- ch = KEY_RESIZE;
- while (ch == KEY_RESIZE)
-#endif /* KEY_RESIZE */
- ch = getch ();
- mutt_allow_interrupt (0);
-
- if (SigInt)
- mutt_query_exit ();
-
- if (ch == ERR)
- return err;
-
- if ((ch & 0x80) && option (OPTMETAKEY)) {
- /* send ALT-x as ESC-x */
- ch &= ~0x80;
- mutt_ungetch (ch, 0);
- ret.ch = '\033';
- ret.op = 0;
- return ret;
- }
-
- ret.ch = ch;
- ret.op = 0;
- return (ch == ctrl ('G') ? err : ret);
-}
-
-int _mutt_get_field ( const char *field, char *buf, size_t buflen,
- int complete, int multiple, char ***files, int *numfiles)
-{
- int ret;
- int x, y;
-
- ENTER_STATE *es = mutt_new_enter_state ();
-
- do {
- CLEARLINE (LINES - 1);
- addstr (field);
- mutt_refresh ();
- getyx (stdscr, y, x);
- ret =
- _mutt_enter_string (buf, buflen, y, x, complete, multiple, files,
- numfiles, es);
- }
- while (ret == 1);
- CLEARLINE (LINES - 1);
- mutt_free_enter_state (&es);
-
- return (ret);
-}
-
-int mutt_get_field_unbuffered (char *msg, char *buf, size_t buflen, int flags)
-{
- int rc;
-
- set_option (OPTUNBUFFEREDINPUT);
- rc = mutt_get_field (msg, buf, buflen, flags);
- unset_option (OPTUNBUFFEREDINPUT);
-
- return (rc);
-}
-
-void mutt_clear_error (void)
-{
- Errorbuf[0] = 0;
- if (!option (OPTNOCURSES))
- CLEARLINE (LINES - 1);
-}
-
-void mutt_edit_file (const char *editor, const char *data)
-{
- char cmd[LONG_STRING];
-
- mutt_endwin (NULL);
- mutt_expand_file_fmt (cmd, sizeof (cmd), editor, data);
- if (mutt_system (cmd) == -1)
- mutt_error (_("Error running \"%s\"!"), cmd);
- keypad (stdscr, TRUE);
- clearok (stdscr, TRUE);
-}
-
-int mutt_yesorno (const char *msg, int def)
-{
- event_t ch;
- char *yes = _("yes");
- char *no = _("no");
- char *answer_string;
- size_t answer_string_len;
-
-#ifdef HAVE_LANGINFO_YESEXPR
- char *expr;
- regex_t reyes;
- regex_t reno;
- int reyes_ok;
- int reno_ok;
- char answer[2];
-
- answer[1] = 0;
-
- reyes_ok = (expr = nl_langinfo (YESEXPR)) && expr[0] == '^' &&
- !regcomp (&reyes, expr, REG_NOSUB | REG_EXTENDED);
- reno_ok = (expr = nl_langinfo (NOEXPR)) && expr[0] == '^' &&
- !regcomp (&reno, expr, REG_NOSUB | REG_EXTENDED);
-#endif
-
- CLEARLINE (LINES - 1);
-
- /*
- * In order to prevent the default answer to the question to wrapped
- * around the screen in the even the question is wider than the screen,
- * ensure there is enough room for the answer and truncate the question
- * to fit.
- */
- answer_string = p_new(char, COLS + 1);
- snprintf (answer_string, COLS + 1, " ([%s]/%s): ", def == M_YES ? yes : no,
- def == M_YES ? no : yes);
- answer_string_len = m_strlen(answer_string);
- printw ("%.*s%s", COLS - answer_string_len, msg, answer_string);
- p_delete(&answer_string);
-
- for (;;) {
- mutt_refresh ();
- ch = mutt_getch ();
- if (CI_is_return (ch.ch))
- break;
- if (ch.ch == -1) {
- def = -1;
- break;
- }
-
-#ifdef HAVE_LANGINFO_YESEXPR
- answer[0] = ch.ch;
- if (reyes_ok ? (regexec (&reyes, answer, 0, 0, 0) == 0) :
-#else
- if (
-#endif
- (tolower (ch.ch) == *yes)) {
- def = M_YES;
- break;
- }
- else if (
-#ifdef HAVE_LANGINFO_YESEXPR
- reno_ok ? (regexec (&reno, answer, 0, 0, 0) == 0) :
-#endif
- (tolower (ch.ch) == *no)) {
- def = M_NO;
- break;
- }
- else {
- BEEP ();
- }
- }
-
-#ifdef HAVE_LANGINFO_YESEXPR
- if (reyes_ok)
- regfree (&reyes);
- if (reno_ok)
- regfree (&reno);
-#endif
-
- if (def != -1) {
- addstr ((char *) (def == M_YES ? yes : no));
- mutt_refresh ();
- }
- return (def);
-}
-
-/* this function is called when the user presses the abort key */
-void mutt_query_exit (void)
-{
- mutt_flushinp ();
- curs_set (1);
- if (Timeout)
- timeout (-1); /* restore blocking operation */
- if (mutt_yesorno (_("Exit Madmutt?"), M_YES) == M_YES) {
- mutt_endwin (NULL);
- exit (1);
- }
- mutt_clear_error ();
- mutt_curs_set (-1);
- SigInt = 0;
-}
-
-void mutt_curses_error (const char *fmt, ...)
-{
- char TmpErrorbuf[STRING];
- va_list ap;
-
- va_start (ap, fmt);
- vsnprintf (Errorbuf, sizeof (Errorbuf), fmt, ap);
- va_end (ap);
-
- debug_print (1, ("%s\n", Errorbuf));
- mutt_format_string (TmpErrorbuf, sizeof (TmpErrorbuf),
- 0, COLS - 2, 0, 0, Errorbuf, sizeof (Errorbuf), 0);
- snprintf (Errorbuf, sizeof (Errorbuf), "%s", TmpErrorbuf); /* overkill */
-
- if (!option (OPTKEEPQUIET)) {
- BEEP ();
- SETCOLOR (MT_COLOR_ERROR);
- mvaddstr (LINES - 1, 0, Errorbuf);
- clrtoeol ();
- SETCOLOR (MT_COLOR_NORMAL);
- mutt_refresh ();
- }
-
- set_option (OPTMSGERR);
-}
-
-void mutt_progress_bar (progress_t* progress, long pos) {
- char posstr[SHORT_STRING];
-
- if (!pos) {
- if (!NetInc)
- mutt_message (progress->msg);
- else {
- if (progress->size)
- mutt_pretty_size (progress->sizestr, sizeof (progress->sizestr),
- progress->size);
- progress->pos = 0;
- }
- }
-
- if (!NetInc)
- return;
-
- if (pos >= progress->pos + (NetInc << 10)) {
- progress->pos = pos;
- pos = pos / (NetInc << 10) * (NetInc << 10);
- mutt_pretty_size (posstr, sizeof (posstr), pos);
- if (progress->size)
- mutt_message ("%s %s/%s", progress->msg, posstr, progress->sizestr);
- else
- mutt_message ("%s %s", progress->msg, posstr);
- }
-}
-
-void mutt_curses_message (const char *fmt, ...)
-{
- char TmpErrorbuf[STRING];
- va_list ap;
-
- va_start (ap, fmt);
- vsnprintf (Errorbuf, sizeof (Errorbuf), fmt, ap);
- va_end (ap);
-
- mutt_format_string (TmpErrorbuf, sizeof (TmpErrorbuf),
- 0, COLS - 2, 0, 0, Errorbuf, sizeof (Errorbuf), 0);
- snprintf (Errorbuf, sizeof (Errorbuf), "%s", TmpErrorbuf); /* overkill */
-
- if (!option (OPTKEEPQUIET)) {
- SETCOLOR (MT_COLOR_MESSAGE);
- mvaddstr (LINES - 1, 0, Errorbuf);
- clrtoeol ();
- SETCOLOR (MT_COLOR_NORMAL);
- mutt_refresh ();
- }
-
- unset_option (OPTMSGERR);
-}
-
-void mutt_show_error (void)
-{
- if (option (OPTKEEPQUIET))
- return;
-
- SETCOLOR (option (OPTMSGERR) ? MT_COLOR_ERROR : MT_COLOR_MESSAGE);
- CLEARLINE (LINES - 1);
- addstr (Errorbuf);
- SETCOLOR (MT_COLOR_NORMAL);
-}
-
-void mutt_endwin (const char *msg)
-{
- if (!option (OPTNOCURSES)) {
- CLEARLINE (LINES - 1);
-
- attrset (A_NORMAL);
- mutt_refresh ();
- endwin ();
- }
-
- if (msg && *msg) {
- puts (msg);
- fflush (stdout);
- }
-}
-
-void _mutt_perror (const char *s, const char* filename, int line)
-{
- char *p = strerror (errno);
-
- debug_print (1, ("%s: %s (errno = %d)\n", s, p ? p : "unknown error", errno));
- mutt_error ("%s: %s (errno = %d) from %s:%i", s, p ? p : _("unknown error"), errno, filename, line);
-}
-
-int mutt_any_key_to_continue (const char *s)
-{
- struct termios t;
- struct termios old;
- int f, ch;
-
- f = open ("/dev/tty", O_RDONLY);
- tcgetattr (f, &t);
- memcpy ((void *) &old, (void *) &t, sizeof (struct termios)); /* save original state */
- t.c_lflag &= ~(ICANON | ECHO);
- t.c_cc[VMIN] = 1;
- t.c_cc[VTIME] = 0;
- tcsetattr (f, TCSADRAIN, &t);
- fflush (stdout);
- if (s)
- fputs (s, stdout);
- else
- fputs (_("Press any key to continue..."), stdout);
- fflush (stdout);
- ch = fgetc (stdin);
- fflush (stdin);
- tcsetattr (f, TCSADRAIN, &old);
- close (f);
- fputs ("\r\n", stdout);
- mutt_clear_error ();
- return (ch);
-}
-
-int mutt_do_pager (const char *banner,
- const char *tempfile, int do_color, pager_t * info)
-{
- int rc;
-
- if (!Pager || m_strcmp(Pager, "builtin") == 0)
- rc = mutt_pager (banner, tempfile, do_color, info);
- else {
- char cmd[STRING];
-
- mutt_endwin (NULL);
- mutt_expand_file_fmt (cmd, sizeof (cmd), Pager, tempfile);
- if (mutt_system (cmd) == -1) {
- mutt_error (_("Error running \"%s\"!"), cmd);
- rc = -1;
- }
- else
- rc = 0;
- mutt_unlink (tempfile);
- }
-
- return rc;
-}
-
-int _mutt_enter_fname (const char *prompt, char *buf, size_t blen,
- int *redraw, int buffy, int multiple, char ***files,
- int *numfiles)
-{
- event_t ch;
-
- mvaddstr (LINES - 1, 0, (char *) prompt);
- addstr (_(" ('?' for list): "));
- if (buf[0])
- addstr (buf);
- clrtoeol ();
- mutt_refresh ();
-
- ch = mutt_getch ();
- if (ch.ch == -1) {
- CLEARLINE (LINES - 1);
- return (-1);
- }
- else if (ch.ch == '?') {
- mutt_refresh ();
- buf[0] = 0;
- _mutt_select_file (buf, blen, M_SEL_FOLDER | (multiple ? M_SEL_MULTI : 0),
- files, numfiles);
- *redraw = REDRAW_FULL;
- }
- else {
- char *pc = p_new(char, m_strlen(prompt) + 3);
-
- sprintf (pc, "%s: ", prompt); /* __SPRINTF_CHECKED__ */
- mutt_ungetch (ch.op ? 0 : ch.ch, ch.op ? ch.op : 0);
- if (_mutt_get_field
- (pc, buf, blen, (buffy ? M_EFILE : M_FILE) | M_CLEAR, multiple, files,
- numfiles)
- != 0)
- buf[0] = 0;
- MAYBE_REDRAW (*redraw);
- p_delete(&pc);
- }
-
- return 0;
-}
-
-void mutt_ungetch (int ch, int op)
-{
- event_t tmp;
-
- tmp.ch = ch;
- tmp.op = op;
-
- if (UngetCount >= UngetBufLen)
- p_realloc(&KeyEvent, UngetBufLen += 128);
-
- KeyEvent[UngetCount++] = tmp;
-}
-
-void mutt_flushinp (void)
-{
- UngetCount = 0;
- flushinp ();
-}
-
-#if (defined(USE_SLANG_CURSES) || defined(HAVE_CURS_SET))
-/* The argument can take 3 values:
- * -1: restore the value of the last call
- * 0: make the cursor invisible
- * 1: make the cursor visible
- */
-void mutt_curs_set (int cursor)
-{
- static int SavedCursor = 1;
-
- if (cursor < 0)
- cursor = SavedCursor;
- else
- SavedCursor = cursor;
-
- if (curs_set (cursor) == ERR) {
- if (cursor == 1) /* cnorm */
- curs_set (2); /* cvvis */
- }
-}
-#endif
-
-int mutt_multi_choice (char *prompt, char *letters)
-{
- event_t ch;
- int choice;
- char *p;
-
- mvaddstr (LINES - 1, 0, prompt);
- clrtoeol ();
- for (;;) {
- mutt_refresh ();
- ch = mutt_getch ();
- if (ch.ch == -1 || CI_is_return (ch.ch)) {
- choice = -1;
- break;
- }
- else {
- p = strchr (letters, ch.ch);
- if (p) {
- choice = p - letters + 1;
- break;
- }
- else if (ch.ch <= '9' && ch.ch > '0') {
- choice = ch.ch - '0';
- if (choice <= m_strlen(letters))
- break;
- }
- }
- BEEP ();
- }
- CLEARLINE (LINES - 1);
- mutt_refresh ();
- return choice;
-}
-
-/*
- * addwch would be provided by an up-to-date curses library
- */
-
-int mutt_addwch (wchar_t wc)
-{
- char buf[MB_LEN_MAX * 2];
- mbstate_t mbstate;
- size_t n1, n2;
-
- p_clear(&mbstate, 1);
- if ((n1 = wcrtomb (buf, wc, &mbstate)) == (size_t) (-1) ||
- (n2 = wcrtomb (buf + n1, 0, &mbstate)) == (size_t) (-1))
- return -1; /* ERR */
- else
- return addstr (buf);
-}
-
-
-/*
- * This formats a string, a bit like
- * snprintf (dest, destlen, "%-*.*s", min_width, max_width, s),
- * except that the widths refer to the number of character cells
- * when printed.
- */
-
-void mutt_format_string (char *dest, ssize_t destlen,
- int min_width, int max_width,
- int right_justify, char m_pad_char,
- const char *s, ssize_t n, int arboreal)
-{
- char *p;
- wchar_t wc;
- int w;
- size_t k, k2;
- char scratch[MB_LEN_MAX];
- mbstate_t mbstate1, mbstate2;
-
- p_clear(&mbstate1, 1);
- p_clear(&mbstate2, 1);
- --destlen;
- p = dest;
- for (; n && (k = mbrtowc (&wc, s, n, &mbstate1)); s += k, n -= k) {
- if (k == (size_t) (-1) || k == (size_t) (-2)) {
- k = (k == (size_t) (-1)) ? 1 : n;
- wc = replacement_char ();
- }
- if (arboreal && wc < M_TREE_MAX)
- w = 1; /* hack */
- else {
- if (!IsWPrint (wc))
- wc = '?';
- w = wcwidth (wc);
- }
- if (w >= 0) {
- if (w > max_width || (k2 = wcrtomb (scratch, wc, &mbstate2)) > destlen)
- break;
- min_width -= w;
- max_width -= w;
- strncpy (p, scratch, k2);
- p += k2;
- destlen -= k2;
- }
- }
- w = destlen < min_width ? destlen : min_width;
- if (w <= 0)
- *p = '\0';
- else if (right_justify) {
- p[w] = '\0';
- while (--p >= dest)
- p[w] = *p;
- while (--w >= 0)
- dest[w] = m_pad_char;
- }
- else {
- while (--w >= 0)
- *p++ = m_pad_char;
- *p = '\0';
- }
-}
-
-/*
- * This formats a string rather like
- * snprintf (fmt, sizeof (fmt), "%%%ss", prefix);
- * snprintf (dest, destlen, fmt, s);
- * except that the numbers in the conversion specification refer to
- * the number of character cells when printed.
- */
-
-static void mutt_format_s_x (char *dest,
- size_t destlen,
- const char *prefix, const char *s, int arboreal)
-{
- int right_justify = 1;
- char *p;
- int min_width;
- int max_width = INT_MAX;
-
- if (*prefix == '-')
- ++prefix, right_justify = 0;
- min_width = strtol (prefix, &p, 10);
- if (*p == '.') {
- prefix = p + 1;
- max_width = strtol (prefix, &p, 10);
- if (p <= prefix)
- max_width = INT_MAX;
- }
-
- mutt_format_string (dest, destlen, min_width, max_width,
- right_justify, ' ', s, m_strlen(s), arboreal);
-}
-
-void mutt_format_s (char *dest,
- size_t destlen, const char *prefix, const char *s)
-{
- mutt_format_s_x (dest, destlen, prefix, s, 0);
-}
-
-void mutt_format_s_tree (char *dest,
- size_t destlen, const char *prefix, const char *s)
-{
- mutt_format_s_x (dest, destlen, prefix, s, 1);
-}
-
-/*
- * mutt_paddstr (n, s) is almost equivalent to
- * mutt_format_string (bigbuf, big, n, n, 0, ' ', s, big, 0), addstr (bigbuf)
- */
-
-void mutt_paddstr (int n, const char *s)
-{
- wchar_t wc;
- int w;
- size_t k;
- size_t len = m_strlen(s);
- mbstate_t mbstate;
-
- p_clear(&mbstate, 1);
- for (; len && (k = mbrtowc (&wc, s, len, &mbstate)); s += k, len -= k) {
- if (k == (size_t) (-1) || k == (size_t) (-2)) {
- k = (k == (size_t) (-1)) ? 1 : len;
- wc = replacement_char ();
- }
- if (!IsWPrint (wc))
- wc = '?';
- w = wcwidth (wc);
- if (w >= 0) {
- if (w > n)
- break;
- addnstr ((char *) s, k);
- n -= w;
- }
- }
- while (n-- > 0)
- addch (' ');
-}
-
-/*
- * mutt_strwidth is like m_strlenexcept that it returns the width
- * refering to the number of characters cells.
- */
-
-int mutt_strwidth (const char *s)
-{
- wchar_t wc;
- int w;
- size_t k, n;
- mbstate_t mbstate;
-
- if (!s)
- return 0;
-
- n = m_strlen(s);
-
- p_clear(&mbstate, 1);
- for (w = 0; n && (k = mbrtowc (&wc, s, n, &mbstate)); s += k, n -= k) {
- if (k == (size_t) (-1) || k == (size_t) (-2)) {
- k = (k == (size_t) (-1)) ? 1 : n;
- wc = replacement_char ();
- }
- if (!IsWPrint (wc))
- wc = '?';
- w += wcwidth (wc);
- }
- return w;
-}
projects / apps / madmutt.git / blobdiff