compose.c

mutt-1.5.12 源代码。linux 下邮件接受的工具。

    case 'a': /* total number of attachments */
	snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
	snprintf (buf, buflen, fmt, menu->max);
      break;

    case 'h':  /* hostname */
      snprintf (fmt, sizeof (fmt), "%%%ss", prefix);
      snprintf (buf, buflen, fmt, NONULL(Hostname));
      break;

    case 'l': /* approx length of current message in bytes */
	snprintf (fmt, sizeof (fmt), "%%%ss", prefix);
	mutt_pretty_size (tmp, sizeof (tmp), menu ? cum_attachs_size(menu) : 0);
	snprintf (buf, buflen, fmt, tmp);
      break;

    case 'v':
      snprintf (fmt, sizeof (fmt), "Mutt %%s");
      snprintf (buf, buflen, fmt, MUTT_VERSION);
      break;

    case 0:
      *buf = 0;
      return (src);

    default:
      snprintf (buf, buflen, "%%%s%c", prefix, op);
      break;
  }

  if (optional)
    compose_status_line (buf, buflen, menu, ifstring);
  else if (flags & M_FORMAT_OPTIONAL)
    compose_status_line (buf, buflen, menu, elsestring);

  return (src);
}

static void compose_status_line (char *buf, size_t buflen, MUTTMENU *menu, 
      const char *p)
{
  mutt_FormatString (buf, buflen, p, compose_format_str, 
        (unsigned long) menu, 0);
}


/* return values:
 *
 * 1	message should be postponed
 * 0	normal exit
 * -1	abort message
 */
int mutt_compose_menu (HEADER *msg,   /* structure for new message */
		    char *fcc,     /* where to save a copy of the message */
		    size_t fcclen,
		    HEADER *cur)   /* current message */
{
  char helpstr[SHORT_STRING];
  char buf[LONG_STRING];
  char fname[_POSIX_PATH_MAX];
  MUTTMENU *menu;
  ATTACHPTR **idx = NULL;
  short idxlen = 0;
  short idxmax = 0;
  int i, close = 0;
  int r = -1;		/* return value */
  int op = 0;
  int loop = 1;
  int fccSet = 0;	/* has the user edited the Fcc: field ? */
  CONTEXT *ctx = NULL, *this = NULL;
  /* Sort, SortAux could be changed in mutt_index_menu() */
  int oldSort, oldSortAux;
  struct stat st;

  mutt_attach_init (msg->content);
  idx = mutt_gen_attach_list (msg->content, -1, idx, &idxlen, &idxmax, 0, 1);

  menu = mutt_new_menu ();
  menu->menu = MENU_COMPOSE;
  menu->offset = HDR_ATTACH;
  menu->max = idxlen;
  menu->make_entry = snd_entry;
  menu->tag = mutt_tag_attach;
  menu->data = idx;
  menu->help = mutt_compile_help (helpstr, sizeof (helpstr), MENU_COMPOSE, ComposeHelp);
  
  while (loop)
  {
    switch (op = mutt_menuLoop (menu))
    {
      case OP_REDRAW:
	draw_envelope (msg, fcc);
	menu->offset = HDR_ATTACH;
	menu->pagelen = LINES - HDR_ATTACH - 2;
	break;
      case OP_COMPOSE_EDIT_FROM:
	menu->redraw = edit_address_list (HDR_FROM, &msg->env->from);
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
	break;
      case OP_COMPOSE_EDIT_TO:
	menu->redraw = edit_address_list (HDR_TO, &msg->env->to);
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
        break;
      case OP_COMPOSE_EDIT_BCC:
	menu->redraw = edit_address_list (HDR_BCC, &msg->env->bcc);
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
	break;
      case OP_COMPOSE_EDIT_CC:
	menu->redraw = edit_address_list (HDR_CC, &msg->env->cc);
        mutt_message_hook (NULL, msg, M_SEND2HOOK);	
        break;
      case OP_COMPOSE_EDIT_SUBJECT:
	if (msg->env->subject)
	  strfcpy (buf, msg->env->subject, sizeof (buf));
	else
	  buf[0] = 0;
	if (mutt_get_field ("Subject: ", buf, sizeof (buf), 0) == 0)
	{
	  mutt_str_replace (&msg->env->subject, buf);
	  move (HDR_SUBJECT, HDR_XOFFSET);
	  clrtoeol ();
	  if (msg->env->subject)
	    mutt_paddstr (W, msg->env->subject);
	}
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
        break;
      case OP_COMPOSE_EDIT_REPLY_TO:
	menu->redraw = edit_address_list (HDR_REPLYTO, &msg->env->reply_to);
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
	break;
      case OP_COMPOSE_EDIT_FCC:
	strfcpy (buf, fcc, sizeof (buf));
	if (mutt_get_field ("Fcc: ", buf, sizeof (buf), M_FILE | M_CLEAR) == 0)
	{
	  strfcpy (fcc, buf, _POSIX_PATH_MAX);
	  mutt_pretty_mailbox (fcc);
	  move (HDR_FCC, HDR_XOFFSET);
	  mutt_paddstr (W, fcc);
	  fccSet = 1;
	}
	MAYBE_REDRAW (menu->redraw);
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
        break;
      case OP_COMPOSE_EDIT_MESSAGE:
	if (Editor && (mutt_strcmp ("builtin", Editor) != 0) && !option (OPTEDITHDRS))
	{
	  mutt_edit_file (Editor, msg->content->filename);
	  mutt_update_encoding (msg->content);
	  menu->redraw = REDRAW_CURRENT | REDRAW_STATUS;
	  mutt_message_hook (NULL, msg, M_SEND2HOOK);
	  break;
	}
	/* fall through */
      case OP_COMPOSE_EDIT_HEADERS:
	if (mutt_strcmp ("builtin", Editor) != 0 &&
	    (op == OP_COMPOSE_EDIT_HEADERS ||
	    (op == OP_COMPOSE_EDIT_MESSAGE && option (OPTEDITHDRS))))
	{
	  char *tag = NULL, *err = NULL;
	  mutt_env_to_local (msg->env);
	  mutt_edit_headers (NONULL (Editor), msg->content->filename, msg,
			     fcc, fcclen);
	  if (mutt_env_to_idna (msg->env, &tag, &err))
	  {
	    mutt_error (_("Bad IDN in \"%s\": '%s'"), tag, err);
	    FREE (&err);
	  }
	}
	else
	{
	  /* this is grouped with OP_COMPOSE_EDIT_HEADERS because the
	     attachment list could change if the user invokes ~v to edit
	     the message with headers, in which we need to execute the
	     code below to regenerate the index array */
	  mutt_builtin_editor (msg->content->filename, msg, cur);
	}
	mutt_update_encoding (msg->content);

	/* attachments may have been added */
	if (idxlen && idx[idxlen - 1]->content->next)
	{
	  for (i = 0; i < idxlen; i++)
	    FREE (&idx[i]);
	  idxlen = 0;
	  idx = mutt_gen_attach_list (msg->content, -1, idx, &idxlen, &idxmax, 0, 1);
	  menu->data = idx;
	  menu->max = idxlen;
	}

        menu->redraw = REDRAW_FULL;
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
	break;



      case OP_COMPOSE_ATTACH_KEY:
        if (!(WithCrypto & APPLICATION_PGP))
          break;       
	if (idxlen == idxmax)
        {
	  safe_realloc (&idx, sizeof (ATTACHPTR *) * (idxmax += 5));
	  menu->data = idx;
	}
	
	idx[idxlen] = (ATTACHPTR *) safe_calloc (1, sizeof (ATTACHPTR));
	if ((idx[idxlen]->content = crypt_pgp_make_key_attachment(NULL)) != NULL)
	{
	  update_idx (menu, idx, idxlen++);
	  menu->redraw |= REDRAW_INDEX;
	}
	else
	  FREE (&idx[idxlen]);

	menu->redraw |= REDRAW_STATUS;

	if (option(OPTNEEDREDRAW))
	{
	  menu->redraw = REDRAW_FULL;
	  unset_option(OPTNEEDREDRAW);
	}
	
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
        break;


      case OP_COMPOSE_ATTACH_FILE:
	{
	  char *prompt, **files;
	  int error, numfiles;

	  fname[0] = 0;
	  prompt = _("Attach file");
	  numfiles = 0;
	  files = NULL;

	  if (_mutt_enter_fname (prompt, fname, sizeof (fname), &menu->redraw, 0, 1, &files, &numfiles) == -1 ||
	      *fname == '\0')
	    break;

	  if (idxlen + numfiles >= idxmax)
	  {
	    safe_realloc (&idx, sizeof (ATTACHPTR *) * (idxmax += 5 + numfiles));
	    menu->data = idx;
	  }

	  error = 0;
	  if (numfiles > 1)
	    mutt_message _("Attaching selected files...");
	  for (i = 0; i < numfiles; i++)
	  {
	    char *att = files[i];
	    idx[idxlen] = (ATTACHPTR *) safe_calloc (1, sizeof (ATTACHPTR));
            idx[idxlen]->unowned = 1;
	    idx[idxlen]->content = mutt_make_file_attach (att);
	    if (idx[idxlen]->content != NULL)
	      update_idx (menu, idx, idxlen++);
	    else
	    {
	      error = 1;
	      mutt_error (_("Unable to attach %s!"), att);
	      FREE (&idx[idxlen]);
	    }
	  }
	  
	  FREE (&files);
	  if (!error) mutt_clear_error ();

	  menu->redraw |= REDRAW_INDEX | REDRAW_STATUS;
	}
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
        break;

      case OP_COMPOSE_ATTACH_MESSAGE:
	{
	  char *prompt;
	  HEADER *h;

	  fname[0] = 0;
	  prompt = _("Open mailbox to attach message from");

	  if (Context)
	  {
	    strfcpy (fname, NONULL (Context->path), sizeof (fname));
	    mutt_pretty_mailbox (fname);
	  }

	  if (mutt_enter_fname (prompt, fname, sizeof (fname), &menu->redraw, 1) == -1 || !fname[0])
	    break;

	  mutt_expand_path (fname, sizeof (fname));
#ifdef USE_IMAP
          if (!mx_is_imap (fname))
#endif
#ifdef USE_POP
          if (!mx_is_pop (fname))
#endif
	  /* check to make sure the file exists and is readable */
	  if (access (fname, R_OK) == -1)
	  {
	    mutt_perror (fname);
	    break;
	  }

	  menu->redraw = REDRAW_FULL;

	  ctx = mx_open_mailbox (fname, M_READONLY, NULL);
	  if (ctx == NULL)
	  {
	    mutt_perror (fname);
	    break;
	  }

	  if (!ctx->msgcount)
	  {
	    mx_close_mailbox (ctx, NULL);
	    FREE (&ctx);
	    mutt_error _("No messages in that folder.");
	    break;
	  }

	  this = Context; /* remember current folder and sort methods*/
	  oldSort = Sort; oldSortAux = SortAux;
	  
	  Context = ctx;
	  set_option(OPTATTACHMSG);
	  mutt_message _("Tag the messages you want to attach!");
	  close = mutt_index_menu ();
	  unset_option(OPTATTACHMSG);

	  if (!Context)
	  {
	    /* go back to the folder we started from */
	    Context = this;
	    /* Restore old $sort and $sort_aux */
	    Sort = oldSort;
	    SortAux = oldSortAux;
	    menu->redraw |= REDRAW_INDEX | REDRAW_STATUS;
	    break;
	  }

	  if (idxlen + Context->tagged >= idxmax)
	  {
	    safe_realloc (&idx, sizeof (ATTACHPTR *) * (idxmax += 5 + Context->tagged));
	    menu->data = idx;
	  }

	  for (i = 0; i < Context->msgcount; i++)
	  {
	    h = Context->hdrs[i];
	    if (h->tagged)
	    {
	      idx[idxlen] = (ATTACHPTR *) safe_calloc (1, sizeof (ATTACHPTR));
	      idx[idxlen]->content = mutt_make_message_attach (Context, h, 1);
	      if (idx[idxlen]->content != NULL)
		update_idx (menu, idx, idxlen++);
	      else
	      {
		mutt_error _("Unable to attach!");
		FREE (&idx[idxlen]);
	      }
	    }
	  }
	  menu->redraw |= REDRAW_FULL;

	  if (close == OP_QUIT) 
	    mx_close_mailbox (Context, NULL);
	  else
	    mx_fastclose_mailbox (Context);
	  FREE (&Context);

	  /* go back to the folder we started from */
	  Context = this;
	  /* Restore old $sort and $sort_aux */
	  Sort = oldSort;
	  SortAux = oldSortAux;
	}
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
        break;

      case OP_DELETE:
	CHECK_COUNT;
        if (idx[menu->current]->unowned)
          idx[menu->current]->content->unlink = 0;
	if (delete_attachment (menu, &idxlen, menu->current) == -1)
	  break;
	mutt_update_tree (idx, idxlen);
	if (idxlen)
	{
	  if (menu->current > idxlen - 1)
	    menu->current = idxlen - 1;
	}
	else
	  menu->current = 0;

	if (menu->current == 0)
	  msg->content = idx[0]->content;

        menu->redraw |= REDRAW_STATUS;
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
        break;

#define CURRENT idx[menu->current]->content
      
      case OP_COMPOSE_TOGGLE_RECODE:
      {      
        CHECK_COUNT;
        if (!mutt_is_text_part (CURRENT))
        {
	  mutt_error (_("Recoding only affects text attachments."));
	  break;
	}
        CURRENT->noconv = !CURRENT->noconv;
        if (CURRENT->noconv)
	  mutt_message (_("The current attachment won't be converted."));
        else
	  mutt_message (_("The current attachment will be converted."));
	menu->redraw = REDRAW_CURRENT;
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
        break;
      }
#undef CURRENT

      case OP_COMPOSE_EDIT_DESCRIPTION:
	CHECK_COUNT;
	strfcpy (buf,
		 idx[menu->current]->content->description ?
		 idx[menu->current]->content->description : "",
		 sizeof (buf));
	/* header names should not be translated */
	if (mutt_get_field ("Description: ", buf, sizeof (buf), 0) == 0)
	{
	  mutt_str_replace (&idx[menu->current]->content->description, buf);
	  menu->redraw = REDRAW_CURRENT;
	}
        mutt_message_hook (NULL, msg, M_SEND2HOOK);
        break;