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compose.c
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/**
* @file
* GUI editor for an email's headers
*
* @authors
* Copyright (C) 1996-2000,2002,2007,2010,2012 Michael R. Elkins <[email protected]>
* Copyright (C) 2004 g10 Code GmbH
*
* @copyright
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 2 of the License, or (at your option) any later
* version.
*
* 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @page compose GUI editor for an email's headers
*
* GUI editor for an email's headers
*/
#include "config.h"
#include <errno.h>
#include <limits.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include "mutt/mutt.h"
#include "config/lib.h"
#include "email/lib.h"
#include "conn/conn.h"
#include "mutt.h"
#include "compose.h"
#include "alias.h"
#include "browser.h"
#include "commands.h"
#include "context.h"
#include "curs_lib.h"
#include "edit.h"
#include "format_flags.h"
#include "globals.h"
#include "hook.h"
#include "index.h"
#include "keymap.h"
#include "mailbox.h"
#include "mutt_attach.h"
#include "mutt_curses.h"
#include "mutt_header.h"
#include "mutt_logging.h"
#include "mutt_menu.h"
#include "mutt_window.h"
#include "muttlib.h"
#include "mx.h"
#include "ncrypt/ncrypt.h"
#include "opcodes.h"
#include "options.h"
#include "protos.h"
#include "recvattach.h"
#include "sendlib.h"
#include "sort.h"
#ifdef ENABLE_NLS
#include <libintl.h>
#endif
#ifdef MIXMASTER
#include "remailer.h"
#endif
#ifdef USE_NNTP
#include "nntp/nntp.h"
#endif
#ifdef USE_POP
#include "pop/pop.h"
#endif
#ifdef USE_IMAP
#include "imap/imap.h"
#endif
/* These Config Variables are only used in compose.c */
char *C_ComposeFormat; ///< Config: printf-like format string for the Compose panel's status bar
char *C_Ispell; ///< Config: External command to perform spell-checking
unsigned char C_Postpone; ///< Config: Save messages to the #C_Postponed folder
static const char *There_are_no_attachments = N_("There are no attachments");
#define CHECK_COUNT \
if (actx->idxlen == 0) \
{ \
mutt_error(_(There_are_no_attachments)); \
break; \
}
#define CURATTACH actx->idx[actx->v2r[menu->current]]
/**
* enum HeaderField - Ordered list of headers for the compose screen
*
* The position of various fields on the compose screen.
*/
enum HeaderField
{
HDR_FROM = 0, ///< "From:" field
HDR_TO, ///< "To:" field
HDR_CC, ///< "Cc:" field
HDR_BCC, ///< "Bcc:" field
HDR_SUBJECT, ///< "Subject:" field
HDR_REPLYTO, ///< "Reply-To:" field
HDR_FCC, ///< "Fcc:" (save folder) field
#ifdef MIXMASTER
HDR_MIX, ///< "Mix:" field (Mixmaster chain)
#endif
HDR_CRYPT, ///< "Security:" field (encryption/signing info)
HDR_CRYPTINFO, ///< "Sign as:" field (encryption/signing info)
#ifdef USE_NNTP
HDR_NEWSGROUPS, ///< "Newsgroups:" field
HDR_FOLLOWUPTO, ///< "Followup-To:" field
HDR_XCOMMENTTO, ///< "X-Comment-To:" field
#endif
HDR_ATTACH = (HDR_FCC + 5), ///< Position to start printing the attachments
};
int HeaderPadding[HDR_XCOMMENTTO + 1] = { 0 };
int MaxHeaderWidth = 0;
#define HDR_XOFFSET MaxHeaderWidth
#define W (MuttIndexWindow->cols - MaxHeaderWidth)
static const char *const Prompts[] = {
/* L10N: Compose menu field. May not want to translate. */
N_("From: "),
/* L10N: Compose menu field. May not want to translate. */
N_("To: "),
/* L10N: Compose menu field. May not want to translate. */
N_("Cc: "),
/* L10N: Compose menu field. May not want to translate. */
N_("Bcc: "),
/* L10N: Compose menu field. May not want to translate. */
N_("Subject: "),
/* L10N: Compose menu field. May not want to translate. */
N_("Reply-To: "),
/* L10N: Compose menu field. May not want to translate. */
N_("Fcc: "),
#ifdef MIXMASTER
/* L10N: "Mix" refers to the MixMaster chain for anonymous email */
N_("Mix: "),
#endif
/* L10N: Compose menu field. Holds "Encrypt", "Sign" related information */
N_("Security: "),
/* L10N:
* This string is used by the compose menu.
* Since it is hidden by default, it does not increase the
* indentation of other compose menu fields. However, if possible,
* it should not be longer than the other compose menu fields.
*
* Since it shares the row with "Encrypt with:", it should not be longer
* than 15-20 character cells.
*/
N_("Sign as: "),
#ifdef USE_NNTP
/* L10N: Compose menu field. May not want to translate. */
N_("Newsgroups: "),
/* L10N: Compose menu field. May not want to translate. */
N_("Followup-To: "),
/* L10N: Compose menu field. May not want to translate. */
N_("X-Comment-To: "),
#endif
};
static const struct Mapping ComposeHelp[] = {
{ N_("Send"), OP_COMPOSE_SEND_MESSAGE },
{ N_("Abort"), OP_EXIT },
/* L10N: compose menu help line entry */
{ N_("To"), OP_COMPOSE_EDIT_TO },
/* L10N: compose menu help line entry */
{ N_("CC"), OP_COMPOSE_EDIT_CC },
/* L10N: compose menu help line entry */
{ N_("Subj"), OP_COMPOSE_EDIT_SUBJECT },
{ N_("Attach file"), OP_COMPOSE_ATTACH_FILE },
{ N_("Descrip"), OP_COMPOSE_EDIT_DESCRIPTION },
{ N_("Help"), OP_HELP },
{ NULL, 0 },
};
#ifdef USE_NNTP
static struct Mapping ComposeNewsHelp[] = {
{ N_("Send"), OP_COMPOSE_SEND_MESSAGE },
{ N_("Abort"), OP_EXIT },
{ N_("Newsgroups"), OP_COMPOSE_EDIT_NEWSGROUPS },
{ N_("Subj"), OP_COMPOSE_EDIT_SUBJECT },
{ N_("Attach file"), OP_COMPOSE_ATTACH_FILE },
{ N_("Descrip"), OP_COMPOSE_EDIT_DESCRIPTION },
{ N_("Help"), OP_HELP },
{ NULL, 0 },
};
#endif
/**
* calc_header_width_padding - Calculate the width needed for the compose labels
* @param idx Store the result at this index of HeaderPadding
* @param header Header string
* @param calc_max If true, calculate the maximum width
*/
static void calc_header_width_padding(int idx, const char *header, bool calc_max)
{
int width;
HeaderPadding[idx] = mutt_str_strlen(header);
width = mutt_strwidth(header);
if (calc_max && MaxHeaderWidth < width)
MaxHeaderWidth = width;
HeaderPadding[idx] -= width;
}
/**
* init_header_padding - Calculate how much padding the compose table will need
*
* The padding needed for each header is strlen() + max_width - strwidth().
*
* calc_header_width_padding sets each entry in HeaderPadding to strlen -
* width. Then, afterwards, we go through and add max_width to each entry.
*/
static void init_header_padding(void)
{
static bool done = false;
if (done)
return;
done = true;
for (int i = 0; i <= HDR_XCOMMENTTO; i++)
calc_header_width_padding(i, _(Prompts[i]), true);
/* Don't include "Sign as: " in the MaxHeaderWidth calculation. It
* doesn't show up by default, and so can make the indentation of
* the other fields look funny. */
calc_header_width_padding(HDR_CRYPTINFO, _(Prompts[HDR_CRYPTINFO]), false);
for (int i = 0; i <= HDR_XCOMMENTTO; i++)
{
HeaderPadding[i] += MaxHeaderWidth;
if (HeaderPadding[i] < 0)
HeaderPadding[i] = 0;
}
}
/**
* snd_make_entry - Format a menu item for the attachment list - Implements Menu::menu_make_entry()
*/
static void snd_make_entry(char *buf, size_t buflen, struct Menu *menu, int line)
{
struct AttachCtx *actx = menu->data;
mutt_expando_format(buf, buflen, 0, MuttIndexWindow->cols, NONULL(C_AttachFormat),
attach_format_str, (unsigned long) (actx->idx[actx->v2r[line]]),
MUTT_FORMAT_STAT_FILE | MUTT_FORMAT_ARROWCURSOR);
}
/**
* redraw_crypt_lines - Update the encryption info in the compose window
* @param msg Header of message
*/
static void redraw_crypt_lines(struct Email *msg)
{
SETCOLOR(MT_COLOR_COMPOSE_HEADER);
mutt_window_mvprintw(MuttIndexWindow, HDR_CRYPT, 0, "%*s",
HeaderPadding[HDR_CRYPT], _(Prompts[HDR_CRYPT]));
NORMAL_COLOR;
if ((WithCrypto & (APPLICATION_PGP | APPLICATION_SMIME)) == 0)
{
addstr(_("Not supported"));
return;
}
if ((msg->security & (SEC_ENCRYPT | SEC_SIGN)) == (SEC_ENCRYPT | SEC_SIGN))
{
SETCOLOR(MT_COLOR_COMPOSE_SECURITY_BOTH);
addstr(_("Sign, Encrypt"));
}
else if (msg->security & SEC_ENCRYPT)
{
SETCOLOR(MT_COLOR_COMPOSE_SECURITY_ENCRYPT);
addstr(_("Encrypt"));
}
else if (msg->security & SEC_SIGN)
{
SETCOLOR(MT_COLOR_COMPOSE_SECURITY_SIGN);
addstr(_("Sign"));
}
else
{
/* L10N: This refers to the encryption of the email, e.g. "Security: None" */
SETCOLOR(MT_COLOR_COMPOSE_SECURITY_NONE);
addstr(_("None"));
}
NORMAL_COLOR;
if ((msg->security & (SEC_ENCRYPT | SEC_SIGN)))
{
if (((WithCrypto & APPLICATION_PGP) != 0) && (msg->security & APPLICATION_PGP))
{
if ((msg->security & SEC_INLINE))
addstr(_(" (inline PGP)"));
else
addstr(_(" (PGP/MIME)"));
}
else if (((WithCrypto & APPLICATION_SMIME) != 0) && (msg->security & APPLICATION_SMIME))
addstr(_(" (S/MIME)"));
}
if (C_CryptOpportunisticEncrypt && (msg->security & SEC_OPPENCRYPT))
addstr(_(" (OppEnc mode)"));
mutt_window_clrtoeol(MuttIndexWindow);
mutt_window_move(MuttIndexWindow, HDR_CRYPTINFO, 0);
mutt_window_clrtoeol(MuttIndexWindow);
if (((WithCrypto & APPLICATION_PGP) != 0) &&
(msg->security & APPLICATION_PGP) && (msg->security & SEC_SIGN))
{
SETCOLOR(MT_COLOR_COMPOSE_HEADER);
printw("%*s", HeaderPadding[HDR_CRYPTINFO], _(Prompts[HDR_CRYPTINFO]));
NORMAL_COLOR;
printw("%s", C_PgpSignAs ? C_PgpSignAs : _("<default>"));
}
if (((WithCrypto & APPLICATION_SMIME) != 0) &&
(msg->security & APPLICATION_SMIME) && (msg->security & SEC_SIGN))
{
SETCOLOR(MT_COLOR_COMPOSE_HEADER);
printw("%*s", HeaderPadding[HDR_CRYPTINFO], _(Prompts[HDR_CRYPTINFO]));
NORMAL_COLOR;
printw("%s", C_SmimeSignAs ? C_SmimeSignAs : _("<default>"));
}
if (((WithCrypto & APPLICATION_SMIME) != 0) && (msg->security & APPLICATION_SMIME) &&
(msg->security & SEC_ENCRYPT) && C_SmimeEncryptWith && *C_SmimeEncryptWith)
{
SETCOLOR(MT_COLOR_COMPOSE_HEADER);
mutt_window_mvprintw(MuttIndexWindow, HDR_CRYPTINFO, 40, "%s", _("Encrypt with: "));
NORMAL_COLOR;
printw("%s", NONULL(C_SmimeEncryptWith));
}
}
#ifdef MIXMASTER
/**
* redraw_mix_line - Redraw the Mixmaster chain
* @param chain List of chain links
*/
static void redraw_mix_line(struct ListHead *chain)
{
char *t = NULL;
SETCOLOR(MT_COLOR_COMPOSE_HEADER);
mutt_window_mvprintw(MuttIndexWindow, HDR_MIX, 0, "%*s",
HeaderPadding[HDR_MIX], _(Prompts[HDR_MIX]));
NORMAL_COLOR;
if (STAILQ_EMPTY(chain))
{
addstr(_("<no chain defined>"));
mutt_window_clrtoeol(MuttIndexWindow);
return;
}
int c = 12;
struct ListNode *np = NULL;
STAILQ_FOREACH(np, chain, entries)
{
t = np->data;
if (t && t[0] == '0' && t[1] == '\0')
t = "<random>";
if (c + mutt_str_strlen(t) + 2 >= MuttIndexWindow->cols)
break;
addstr(NONULL(t));
if (STAILQ_NEXT(np, entries))
addstr(", ");
c += mutt_str_strlen(t) + 2;
}
}
#endif /* MIXMASTER */
/**
* check_attachments - Check if any attachments have changed or been deleted
* @param actx Attachment context
* @retval 0 Success
* @retval -1 Error
*/
static int check_attachments(struct AttachCtx *actx)
{
int r;
struct stat st;
char pretty[PATH_MAX], msg[PATH_MAX + 128];
for (int i = 0; i < actx->idxlen; i++)
{
if (actx->idx[i]->content->type == TYPE_MULTIPART)
continue;
mutt_str_strfcpy(pretty, actx->idx[i]->content->filename, sizeof(pretty));
if (stat(actx->idx[i]->content->filename, &st) != 0)
{
mutt_pretty_mailbox(pretty, sizeof(pretty));
mutt_error(_("%s [#%d] no longer exists"), pretty, i + 1);
return -1;
}
if (actx->idx[i]->content->stamp < st.st_mtime)
{
mutt_pretty_mailbox(pretty, sizeof(pretty));
snprintf(msg, sizeof(msg), _("%s [#%d] modified. Update encoding?"), pretty, i + 1);
r = mutt_yesorno(msg, MUTT_YES);
if (r == MUTT_YES)
mutt_update_encoding(actx->idx[i]->content);
else if (r == MUTT_ABORT)
return -1;
}
}
return 0;
}
/**
* draw_envelope_addr - Write addresses to the compose window
* @param line Line to write to (index into Prompts)
* @param addr Address list to write
*/
static void draw_envelope_addr(int line, struct Address *addr)
{
char buf[1024];
buf[0] = '\0';
mutt_addr_write(buf, sizeof(buf), addr, true);
SETCOLOR(MT_COLOR_COMPOSE_HEADER);
mutt_window_mvprintw(MuttIndexWindow, line, 0, "%*s", HeaderPadding[line],
_(Prompts[line]));
NORMAL_COLOR;
mutt_paddstr(W, buf);
}
/**
* draw_envelope - Write the email headers to the compose window
* @param msg Header of the message
* @param fcc Fcc field
*/
static void draw_envelope(struct Email *msg, char *fcc)
{
draw_envelope_addr(HDR_FROM, msg->env->from);
#ifdef USE_NNTP
if (!OptNewsSend)
{
#endif
draw_envelope_addr(HDR_TO, msg->env->to);
draw_envelope_addr(HDR_CC, msg->env->cc);
draw_envelope_addr(HDR_BCC, msg->env->bcc);
#ifdef USE_NNTP
}
else
{
mutt_window_mvprintw(MuttIndexWindow, HDR_TO, 0, "%*s",
HeaderPadding[HDR_NEWSGROUPS], Prompts[HDR_NEWSGROUPS]);
mutt_paddstr(W, NONULL(msg->env->newsgroups));
mutt_window_mvprintw(MuttIndexWindow, HDR_CC, 0, "%*s",
HeaderPadding[HDR_FOLLOWUPTO], Prompts[HDR_FOLLOWUPTO]);
mutt_paddstr(W, NONULL(msg->env->followup_to));
if (C_XCommentTo)
{
mutt_window_mvprintw(MuttIndexWindow, HDR_BCC, 0, "%*s",
HeaderPadding[HDR_XCOMMENTTO], Prompts[HDR_XCOMMENTTO]);
mutt_paddstr(W, NONULL(msg->env->x_comment_to));
}
}
#endif
SETCOLOR(MT_COLOR_COMPOSE_HEADER);
mutt_window_mvprintw(MuttIndexWindow, HDR_SUBJECT, 0, "%*s",
HeaderPadding[HDR_SUBJECT], _(Prompts[HDR_SUBJECT]));
NORMAL_COLOR;
mutt_paddstr(W, NONULL(msg->env->subject));
draw_envelope_addr(HDR_REPLYTO, msg->env->reply_to);
SETCOLOR(MT_COLOR_COMPOSE_HEADER);
mutt_window_mvprintw(MuttIndexWindow, HDR_FCC, 0, "%*s",
HeaderPadding[HDR_FCC], _(Prompts[HDR_FCC]));
NORMAL_COLOR;
mutt_paddstr(W, fcc);
if (WithCrypto)
redraw_crypt_lines(msg);
#ifdef MIXMASTER
redraw_mix_line(&msg->chain);
#endif
SETCOLOR(MT_COLOR_STATUS);
mutt_window_mvaddstr(MuttIndexWindow, HDR_ATTACH - 1, 0, _("-- Attachments"));
mutt_window_clrtoeol(MuttIndexWindow);
NORMAL_COLOR;
}
/**
* edit_address_list - Let the user edit the address list
* @param[in] line Index into the Prompts lists
* @param[in,out] addr Address list to edit
*/
static void edit_address_list(int line, struct Address **addr)
{
char buf[8192] = ""; /* needs to be large for alias expansion */
char *err = NULL;
mutt_addrlist_to_local(*addr);
mutt_addr_write(buf, sizeof(buf), *addr, false);
if (mutt_get_field(_(Prompts[line]), buf, sizeof(buf), MUTT_ALIAS) == 0)
{
mutt_addr_free(addr);
*addr = mutt_addr_parse_list2(*addr, buf);
*addr = mutt_expand_aliases(*addr);
}
if (mutt_addrlist_to_intl(*addr, &err) != 0)
{
mutt_error(_("Bad IDN: '%s'"), err);
mutt_refresh();
FREE(&err);
}
/* redraw the expanded list so the user can see the result */
buf[0] = '\0';
mutt_addr_write(buf, sizeof(buf), *addr, true);
mutt_window_move(MuttIndexWindow, line, HDR_XOFFSET);
mutt_paddstr(W, buf);
}
/**
* delete_attachment - Delete an attachment
* @param actx Attachment context
* @param x Index number of attachment
* @retval 0 Success
* @retval -1 Error
*/
static int delete_attachment(struct AttachCtx *actx, int x)
{
struct AttachPtr **idx = actx->idx;
int rindex = actx->v2r[x];
if (rindex == 0 && actx->idxlen == 1)
{
mutt_error(_("You may not delete the only attachment"));
idx[rindex]->content->tagged = false;
return -1;
}
for (int y = 0; y < actx->idxlen; y++)
{
if (idx[y]->content->next == idx[rindex]->content)
{
idx[y]->content->next = idx[rindex]->content->next;
break;
}
}
idx[rindex]->content->next = NULL;
idx[rindex]->content->parts = NULL;
mutt_body_free(&(idx[rindex]->content));
FREE(&idx[rindex]->tree);
FREE(&idx[rindex]);
for (; rindex < actx->idxlen - 1; rindex++)
idx[rindex] = idx[rindex + 1];
idx[actx->idxlen - 1] = NULL;
actx->idxlen--;
return 0;
}
/**
* mutt_gen_compose_attach_list - Generate the attachment list for the compose screen
* @param actx Attachment context
* @param m Attachment
* @param parent_type Attachment type, e.g TYPE_MULTIPART
* @param level Nesting depth of attachment
*/
static void mutt_gen_compose_attach_list(struct AttachCtx *actx, struct Body *m,
int parent_type, int level)
{
for (; m; m = m->next)
{
if (m->type == TYPE_MULTIPART && m->parts &&
(!(WithCrypto & APPLICATION_PGP) || !mutt_is_multipart_encrypted(m)))
{
mutt_gen_compose_attach_list(actx, m->parts, m->type, level);
}
else
{
struct AttachPtr *new = mutt_mem_calloc(1, sizeof(struct AttachPtr));
mutt_actx_add_attach(actx, new);
new->content = m;
m->aptr = new;
new->parent_type = parent_type;
new->level = level;
/* We don't support multipart messages in the compose menu yet */
}
}
}
/**
* mutt_update_compose_menu - Redraw the compose window
* @param actx Attachment context
* @param menu Current menu
* @param init If true, initialise the attachment list
*/
static void mutt_update_compose_menu(struct AttachCtx *actx, struct Menu *menu, bool init)
{
if (init)
{
mutt_gen_compose_attach_list(actx, actx->email->content, -1, 0);
mutt_attach_init(actx);
menu->data = actx;
}
mutt_update_tree(actx);
menu->max = actx->vcount;
if (menu->max)
{
if (menu->current >= menu->max)
menu->current = menu->max - 1;
}
else
menu->current = 0;
menu->redraw |= REDRAW_INDEX | REDRAW_STATUS;
}
/**
* update_idx - Add a new attchment to the message
* @param menu Current menu
* @param actx Attachment context
* @param new Attachment to add
*/
static void update_idx(struct Menu *menu, struct AttachCtx *actx, struct AttachPtr *new)
{
new->level = (actx->idxlen > 0) ? actx->idx[actx->idxlen - 1]->level : 0;
if (actx->idxlen)
actx->idx[actx->idxlen - 1]->content->next = new->content;
new->content->aptr = new;
mutt_actx_add_attach(actx, new);
mutt_update_compose_menu(actx, menu, false);
menu->current = actx->vcount - 1;
}
/**
* struct ComposeRedrawData - Keep track when the compose screen needs redrawing
*/
struct ComposeRedrawData
{
struct Email *email;
char *fcc;
};
static void compose_status_line(char *buf, size_t buflen, size_t col, int cols,
struct Menu *menu, const char *p);
/**
* compose_custom_redraw - Redraw the compose menu - Implements Menu::menu_custom_redraw()
*/
static void compose_custom_redraw(struct Menu *menu)
{
struct ComposeRedrawData *rd = menu->redraw_data;
if (!rd)
return;
if (menu->redraw & REDRAW_FULL)
{
menu_redraw_full(menu);
draw_envelope(rd->email, rd->fcc);
menu->offset = HDR_ATTACH;
menu->pagelen = MuttIndexWindow->rows - HDR_ATTACH;
}
menu_check_recenter(menu);
if (menu->redraw & REDRAW_STATUS)
{
char buf[1024];
compose_status_line(buf, sizeof(buf), 0, MuttStatusWindow->cols, menu,
NONULL(C_ComposeFormat));
mutt_window_move(MuttStatusWindow, 0, 0);
SETCOLOR(MT_COLOR_STATUS);
mutt_paddstr(MuttStatusWindow->cols, buf);
NORMAL_COLOR;
menu->redraw &= ~REDRAW_STATUS;
}
#ifdef USE_SIDEBAR
if (menu->redraw & REDRAW_SIDEBAR)
menu_redraw_sidebar(menu);
#endif
if (menu->redraw & REDRAW_INDEX)
menu_redraw_index(menu);
else if (menu->redraw & (REDRAW_MOTION | REDRAW_MOTION_RESYNCH))
menu_redraw_motion(menu);
else if (menu->redraw == REDRAW_CURRENT)
menu_redraw_current(menu);
}
/**
* compose_attach_swap - Swap two adjacent entries in the attachment list
* @param[in] msg Body of email
* @param[out] idx Array of Attachments
* @param[in] first Index of first attachment to swap
*/
static void compose_attach_swap(struct Body *msg, struct AttachPtr **idx, short first)
{
/* Reorder Body pointers.
* Must traverse msg from top since Body has no previous ptr.
*/
for (struct Body *part = msg; part; part = part->next)
{
if (part->next == idx[first]->content)
{
idx[first]->content->next = idx[first + 1]->content->next;
idx[first + 1]->content->next = idx[first]->content;
part->next = idx[first + 1]->content;
break;
}
}
/* Reorder index */
struct AttachPtr *saved = idx[first];
idx[first] = idx[first + 1];
idx[first + 1] = saved;
/* Swap ptr->num */
int i = idx[first]->num;
idx[first]->num = idx[first + 1]->num;
idx[first + 1]->num = i;
}
/**
* cum_attachs_size - Cumulative Attachments Size
* @param menu Menu listing attachments
* @retval num Bytes in attachments
*
* Returns the total number of bytes used by the attachments in the attachment
* list _after_ content-transfer-encodings have been applied.
*/
static unsigned long cum_attachs_size(struct Menu *menu)
{
size_t s = 0;
struct AttachCtx *actx = menu->data;
struct AttachPtr **idx = actx->idx;
struct Content *info = NULL;
struct Body *b = NULL;
for (unsigned short i = 0; i < actx->idxlen; i++)
{
b = idx[i]->content;
if (!b->content)
b->content = mutt_get_content_info(b->filename, b);
info = b->content;
if (info)
{
switch (b->encoding)
{
case ENC_QUOTED_PRINTABLE:
s += 3 * (info->lobin + info->hibin) + info->ascii + info->crlf;
break;
case ENC_BASE64:
s += (4 * (info->lobin + info->hibin + info->ascii + info->crlf)) / 3;
break;
default:
s += info->lobin + info->hibin + info->ascii + info->crlf;
break;
}
}
}
return s;
}
/**
* compose_format_str - Create the status bar string for compose mode - Implements ::format_t
*
* | Expando | Description
* |:--------|:--------------------------------------------------------
* | \%a | Total number of attachments
* | \%h | Local hostname
* | \%l | Approximate size (in bytes) of the current message
* | \%v | NeoMutt version string
*/
static const char *compose_format_str(char *buf, size_t buflen, size_t col, int cols,
char op, const char *src, const char *prec,
const char *if_str, const char *else_str,
unsigned long data, MuttFormatFlags flags)
{
char fmt[128], tmp[128];
int optional = (flags & MUTT_FORMAT_OPTIONAL);
struct Menu *menu = (struct Menu *) data;
*buf = '\0';
switch (op)
{
case 'a': /* total number of attachments */
snprintf(fmt, sizeof(fmt), "%%%sd", prec);
snprintf(buf, buflen, fmt, menu->max);
break;
case 'h': /* hostname */
snprintf(fmt, sizeof(fmt), "%%%ss", prec);
snprintf(buf, buflen, fmt, NONULL(ShortHostname));
break;
case 'l': /* approx length of current message in bytes */
snprintf(fmt, sizeof(fmt), "%%%ss", prec);
mutt_str_pretty_size(tmp, sizeof(tmp), menu ? cum_attachs_size(menu) : 0);
snprintf(buf, buflen, fmt, tmp);
break;
case 'v':
snprintf(buf, buflen, "%s", mutt_make_version());
break;
case 0:
*buf = '\0';
return src;
default:
snprintf(buf, buflen, "%%%s%c", prec, op);
break;
}
if (optional)
compose_status_line(buf, buflen, col, cols, menu, if_str);
else if (flags & MUTT_FORMAT_OPTIONAL)
compose_status_line(buf, buflen, col, cols, menu, else_str);
return src;
}
/**
* compose_status_line - Compose the string for the status bar
* @param[out] buf Buffer in which to save string
* @param[in] buflen Buffer length
* @param[in] col Starting column
* @param[in] cols Number of screen columns
* @param[in] menu Current menu
* @param[in] src Printf-like format string
*/
static void compose_status_line(char *buf, size_t buflen, size_t col, int cols,
struct Menu *menu, const char *src)
{
mutt_expando_format(buf, buflen, col, cols, src, compose_format_str,
(unsigned long) menu, 0);
}
/**
* mutt_compose_menu - Allow the user to edit the message envelope
* @param msg Message to fill
* @param fcc Buffer to save FCC
* @param fcclen Length of FCC buffer
* @param cur Current message
* @param flags Flags, e.g. #MUTT_COMPOSE_NOFREEHEADER
* @retval 1 Message should be postponed
* @retval 0 Normal exit
* @retval -1 Abort message
*/
int mutt_compose_menu(struct Email *msg, char *fcc, size_t fcclen, struct Email *cur, int flags)
{
char helpstr[1024]; // This isn't copied by the help bar
char buf[PATH_MAX];
int op_close = OP_NULL;
int rc = -1;
bool loop = true;
bool fcc_set = false; /* has the user edited the Fcc: field ? */
struct ComposeRedrawData rd;
#ifdef USE_NNTP
bool news = OptNewsSend; /* is it a news article ? */
#endif
init_header_padding();
rd.email = msg;
rd.fcc = fcc;
struct Menu *menu = mutt_menu_new(MENU_COMPOSE);
menu->offset = HDR_ATTACH;
menu->menu_make_entry = snd_make_entry;
menu->menu_tag = attach_tag;
#ifdef USE_NNTP
if (news)
menu->help = mutt_compile_help(helpstr, sizeof(helpstr), MENU_COMPOSE, ComposeNewsHelp);
else
#endif
menu->help = mutt_compile_help(helpstr, sizeof(helpstr), MENU_COMPOSE, ComposeHelp);
menu->menu_custom_redraw = compose_custom_redraw;
menu->redraw_data = &rd;
mutt_menu_push_current(menu);
struct AttachCtx *actx = mutt_mem_calloc(sizeof(struct AttachCtx), 1);
actx->email = msg;
mutt_update_compose_menu(actx, menu, true);
while (loop)
{
#ifdef USE_NNTP
OptNews = false; /* for any case */
#endif
const int op = mutt_menu_loop(menu);
switch (op)
{
case OP_COMPOSE_EDIT_FROM:
edit_address_list(HDR_FROM, &msg->env->from);
mutt_message_hook(NULL, msg, MUTT_SEND2_HOOK);
break;
case OP_COMPOSE_EDIT_TO:
#ifdef USE_NNTP
if (news)
break;
#endif
edit_address_list(HDR_TO, &msg->env->to);
if (C_CryptOpportunisticEncrypt)
{
crypt_opportunistic_encrypt(msg);
redraw_crypt_lines(msg);
}
mutt_message_hook(NULL, msg, MUTT_SEND2_HOOK);
break;
case OP_COMPOSE_EDIT_BCC:
#ifdef USE_NNTP
if (news)
break;
#endif
edit_address_list(HDR_BCC, &msg->env->bcc);
if (C_CryptOpportunisticEncrypt)
{
crypt_opportunistic_encrypt(msg);
redraw_crypt_lines(msg);
}
mutt_message_hook(NULL, msg, MUTT_SEND2_HOOK);
break;
case OP_COMPOSE_EDIT_CC:
#ifdef USE_NNTP
if (news)
break;
#endif
edit_address_list(HDR_CC, &msg->env->cc);
if (C_CryptOpportunisticEncrypt)
{
crypt_opportunistic_encrypt(msg);
redraw_crypt_lines(msg);
}
mutt_message_hook(NULL, msg, MUTT_SEND2_HOOK);
break;
#ifdef USE_NNTP
case OP_COMPOSE_EDIT_NEWSGROUPS:
if (!news)
break;
if (msg->env->newsgroups)
mutt_str_strfcpy(buf, msg->env->newsgroups, sizeof(buf));
else
buf[0] = '\0';
if (mutt_get_field("Newsgroups: ", buf, sizeof(buf), 0) == 0)
{
mutt_str_replace(&msg->env->newsgroups, buf);
mutt_window_move(MuttIndexWindow, HDR_TO, HDR_XOFFSET);
if (msg->env->newsgroups)
mutt_paddstr(W, msg->env->newsgroups);
else
clrtoeol();
}
break;
case OP_COMPOSE_EDIT_FOLLOWUP_TO:
if (!news)
break;
if (msg->env->followup_to)
mutt_str_strfcpy(buf, msg->env->followup_to, sizeof(buf));