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curs_main.c
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curs_main.c
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/*
* Copyright (C) 1996-2000,2002,2010,2012-2013 Michael R. Elkins <[email protected]>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include "mutt.h"
#include "mutt_curses.h"
#include "mutt_menu.h"
#include "mailbox.h"
#include "mapping.h"
#include "sort.h"
#include "buffy.h"
#include "mx.h"
#include "send.h"
#include "background.h"
#ifdef USE_SIDEBAR
#include "sidebar.h"
#endif
#ifdef USE_POP
#include "pop.h"
#endif
#ifdef USE_IMAP
#include "imap_private.h"
#endif
#ifdef USE_INOTIFY
#include "monitor.h"
#endif
#ifdef USE_AUTOCRYPT
#include "autocrypt.h"
#endif
#include "mutt_crypt.h"
#include <ctype.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>
#include <string.h>
#include <sys/stat.h>
#include <errno.h>
#include <assert.h>
static const char *No_mailbox_is_open = N_("No mailbox is open.");
static const char *There_are_no_messages = N_("There are no messages.");
static const char *Mailbox_is_read_only = N_("Mailbox is read-only.");
static const char *Function_not_permitted_in_attach_message_mode = N_("Function not permitted in attach-message mode.");
static const char *No_visible = N_("No visible messages.");
#define CHECK_IN_MAILBOX \
if (!Context) \
{ \
mutt_flushinp (); \
mutt_error _(No_mailbox_is_open); \
break; \
}
#define CHECK_MSGCOUNT \
if (!Context) \
{ \
mutt_flushinp (); \
mutt_error _(No_mailbox_is_open); \
break; \
} \
else if (!Context->msgcount) \
{ \
mutt_flushinp (); \
mutt_error _(There_are_no_messages); \
break; \
}
#define CHECK_VISIBLE \
if (Context && menu->current >= Context->vcount) \
{ \
mutt_flushinp (); \
mutt_error _(No_visible); \
break; \
}
#define CHECK_READONLY \
if (Context->readonly) \
{ \
mutt_flushinp (); \
mutt_error _(Mailbox_is_read_only); \
break; \
}
#define CHECK_ACL(aclbit,action) \
if (!mutt_bit_isset(Context->rights,aclbit)) \
{ \
mutt_flushinp(); \
/* L10N: %s is one of the CHECK_ACL entries below. */ \
mutt_error (_("%s: Operation not permitted by ACL"), action); \
break; \
}
#define CHECK_ATTACH \
if (option(OPTATTACHMSG)) \
{ \
mutt_flushinp (); \
mutt_error _(Function_not_permitted_in_attach_message_mode); \
break; \
}
#define CURHDR Context->hdrs[Context->v2r[menu->current]]
#define OLDHDR Context->hdrs[Context->v2r[menu->oldcurrent]]
#define UNREAD(h) mutt_thread_contains_unread (Context, h)
/* de facto standard escapes for tsl/fsl */
static char *tsl = "\033]0;";
static char *fsl = "\007";
/* terminal status capability check. terminfo must have been initialized. */
short mutt_ts_capability(void)
{
char *term = getenv("TERM");
const char *tcaps;
#ifdef HAVE_USE_EXTENDED_NAMES
int tcapi;
#endif
char **termp;
char *known[] = {
"color-xterm",
"cygwin",
"eterm",
"kterm",
"nxterm",
"putty",
"rxvt",
"screen",
"xterm",
NULL
};
/* If tsl is set, then terminfo says that status lines work. */
tcaps = mutt_tigetstr ("tsl");
if (tcaps && tcaps != (char *)-1 && *tcaps)
{
/* update the static defns of tsl/fsl from terminfo */
tsl = safe_strdup(tcaps);
tcaps = mutt_tigetstr ("fsl");
if (tcaps && tcaps != (char *)-1 && *tcaps)
fsl = safe_strdup(tcaps);
return 1;
}
/* If XT (boolean) is set, then this terminal supports the standard escape. */
/* Beware: tigetflag returns -1 if XT is invalid or not a boolean. */
#ifdef HAVE_USE_EXTENDED_NAMES
use_extended_names (TRUE);
tcapi = mutt_tigetflag ("XT");
if (tcapi == 1)
return 1;
#endif /* HAVE_USE_EXTENDED_NAMES */
/* Check term types that are known to support the standard escape without
* necessarily asserting it in terminfo. */
for (termp = known; *termp; termp++)
{
if (term && !mutt_strncasecmp (term, *termp, strlen(*termp)))
return 1;
}
/* not supported */
return 0;
}
void mutt_ts_status(char *str)
{
/* If empty, do not set. To clear, use a single space. */
if (str == NULL || *str == '\0')
return;
fprintf(stderr, "%s%s%s", tsl, str, fsl);
}
void mutt_ts_icon(char *str)
{
/* If empty, do not set. To clear, use a single space. */
if (str == NULL || *str == '\0')
return;
/* icon setting is not supported in terminfo, so hardcode the escape - yuck */
fprintf(stderr, "\033]1;%s\007", str);
}
void index_make_entry (char *s, size_t l, MUTTMENU *menu, int num)
{
format_flag flag = MUTT_FORMAT_ARROWCURSOR | MUTT_FORMAT_INDEX;
int edgemsgno, reverse = Sort & SORT_REVERSE;
HEADER *h = Context->hdrs[Context->v2r[num]];
THREAD *tmp;
if ((Sort & SORT_MASK) == SORT_THREADS && h->tree)
{
flag |= MUTT_FORMAT_TREE; /* display the thread tree */
if (h->display_subject)
flag |= MUTT_FORMAT_FORCESUBJ;
else
{
if (reverse)
{
if (menu->top + menu->pagelen > menu->max)
edgemsgno = Context->v2r[menu->max - 1];
else
edgemsgno = Context->v2r[menu->top + menu->pagelen - 1];
}
else
edgemsgno = Context->v2r[menu->top];
for (tmp = h->thread->parent; tmp; tmp = tmp->parent)
{
if (!tmp->message)
continue;
/* if no ancestor is visible on current screen, provisionally force
* subject... */
if (reverse ? tmp->message->msgno > edgemsgno : tmp->message->msgno < edgemsgno)
{
flag |= MUTT_FORMAT_FORCESUBJ;
break;
}
else if (tmp->message->virtual >= 0)
break;
}
if (flag & MUTT_FORMAT_FORCESUBJ)
{
for (tmp = h->thread->prev; tmp; tmp = tmp->prev)
{
if (!tmp->message)
continue;
/* ...but if a previous sibling is available, don't force it */
if (reverse ? tmp->message->msgno > edgemsgno : tmp->message->msgno < edgemsgno)
break;
else if (tmp->message->virtual >= 0)
{
flag &= ~MUTT_FORMAT_FORCESUBJ;
break;
}
}
}
}
}
_mutt_make_string (s, l, NONULL (HdrFmt), Context, h, flag);
}
COLOR_ATTR index_color (int index_no)
{
HEADER *h = Context->hdrs[Context->v2r[index_no]];
if (h && (h->color.pair || h->color.attrs))
return h->color;
mutt_set_header_color (Context, h);
return h->color;
}
static int ci_next_undeleted (int msgno)
{
int i;
for (i=msgno+1; i < Context->vcount; i++)
if (! Context->hdrs[Context->v2r[i]]->deleted)
return (i);
return (-1);
}
static int ci_previous_undeleted (int msgno)
{
int i;
for (i=msgno-1; i>=0; i--)
if (! Context->hdrs[Context->v2r[i]]->deleted)
return (i);
return (-1);
}
/* Return the index of the first new message, or failing that, the first
* unread message.
*/
static int ci_first_message (void)
{
int old = -1, i;
if (Context && Context->msgcount)
{
for (i=0; i < Context->vcount; i++)
{
if (! Context->hdrs[Context->v2r[i]]->read &&
! Context->hdrs[Context->v2r[i]]->deleted)
{
if (! Context->hdrs[Context->v2r[i]]->old)
return (i);
else if (old == -1)
old = i;
}
}
if (old != -1)
return (old);
/* If Sort is threaded, the latest message is first iff exactly one
* of Sort and the top-level sorting method are reverse.
*/
if ((Sort & SORT_MASK) == SORT_THREADS)
{
if ((SortThreadGroups & SORT_MASK) == SORT_AUX)
{
if ((Sort ^ SortAux) & SORT_REVERSE)
return 0;
else
return (Context->vcount ? Context->vcount - 1 : 0);
}
else
{
if ((Sort ^ SortThreadGroups) & SORT_REVERSE)
return 0;
else
return (Context->vcount ? Context->vcount - 1 : 0);
}
}
/* If Sort is reverse and not threaded, the latest message is first. */
else
{
if (Sort & SORT_REVERSE)
return 0;
else
return (Context->vcount ? Context->vcount - 1 : 0);
}
}
return 0;
}
/* This should be in mx.c, but it only gets used here. */
static int mx_toggle_write (CONTEXT *ctx)
{
if (!ctx)
return -1;
if (ctx->readonly)
{
mutt_error _("Cannot toggle write on a readonly mailbox!");
return -1;
}
if (ctx->dontwrite)
{
ctx->dontwrite = 0;
mutt_message _("Changes to folder will be written on folder exit.");
}
else
{
ctx->dontwrite = 1;
mutt_message _("Changes to folder will not be written.");
}
return 0;
}
static void update_index_threaded (CONTEXT *ctx, int check, int oldcount)
{
HEADER **save_new = NULL;
int j;
/* save the list of new messages */
if ((check != MUTT_REOPENED) && oldcount &&
(ctx->pattern || option (OPTUNCOLLAPSENEW)))
{
save_new = (HEADER **) safe_malloc (sizeof (HEADER *) * (ctx->msgcount - oldcount));
for (j = oldcount; j < ctx->msgcount; j++)
save_new[j-oldcount] = ctx->hdrs[j];
}
/* Sort first to thread the new messages, because some patterns
* require the threading information.
*
* If the mailbox was reopened, need to rethread from scratch. */
mutt_sort_headers (ctx, (check == MUTT_REOPENED));
if (ctx->pattern)
{
for (j = (check == MUTT_REOPENED) ? 0 : oldcount; j < ctx->msgcount; j++)
{
HEADER *h;
if ((check != MUTT_REOPENED) && oldcount)
h = save_new[j-oldcount];
else
h = ctx->hdrs[j];
if (mutt_pattern_exec (ctx->limit_pattern,
MUTT_MATCH_FULL_ADDRESS,
ctx, h, NULL))
{
/* virtual will get properly set by mutt_set_virtual(), which
* is called by mutt_sort_headers() just below. */
h->virtual = 1;
h->limited = 1;
}
}
/* Need a second sort to set virtual numbers and redraw the tree */
mutt_sort_headers (ctx, 0);
}
/* uncollapse threads with new mail */
if (option(OPTUNCOLLAPSENEW))
{
if (check == MUTT_REOPENED)
{
THREAD *h, *j;
ctx->collapsed = 0;
for (h = ctx->tree; h; h = h->next)
{
for (j = h; !j->message; j = j->child)
;
mutt_uncollapse_thread (ctx, j->message);
}
mutt_set_virtual (ctx);
}
else if (oldcount)
{
for (j = 0; j < ctx->msgcount - oldcount; j++)
if (!ctx->pattern || save_new[j]->limited)
mutt_uncollapse_thread (ctx, save_new[j]);
mutt_set_virtual (ctx);
}
}
FREE (&save_new);
}
static void update_index_unthreaded (CONTEXT *ctx, int check, int oldcount)
{
int j, padding;
/* We are in a limited view. Check if the new message(s) satisfy
* the limit criteria. If they do, set their virtual msgno so that
* they will be visible in the limited view */
if (ctx->pattern)
{
padding = mx_msg_padding_size (ctx);
for (j = (check == MUTT_REOPENED) ? 0 : oldcount; j < ctx->msgcount; j++)
{
if (!j)
{
ctx->vcount = 0;
ctx->vsize = 0;
}
if (mutt_pattern_exec (ctx->limit_pattern,
MUTT_MATCH_FULL_ADDRESS,
ctx, ctx->hdrs[j], NULL))
{
BODY *this_body = ctx->hdrs[j]->content;
assert (ctx->vcount < ctx->msgcount);
ctx->hdrs[j]->virtual = ctx->vcount;
ctx->v2r[ctx->vcount] = j;
ctx->hdrs[j]->limited = 1;
ctx->vcount++;
ctx->vsize += this_body->length + this_body->offset -
this_body->hdr_offset + padding;
}
}
}
/* if the mailbox was reopened, need to rethread from scratch */
mutt_sort_headers (ctx, (check == MUTT_REOPENED));
}
static void update_index (MUTTMENU *menu, CONTEXT *ctx, int check,
int oldcount, int index_hint)
{
int j;
/* for purposes of updating the index, MUTT_RECONNECTED is the same */
if (check == MUTT_RECONNECTED)
check = MUTT_REOPENED;
/* take note of the current message */
if (oldcount)
{
if (menu->current < ctx->vcount)
menu->oldcurrent = index_hint;
else
oldcount = 0; /* invalid message number! */
}
if ((Sort & SORT_MASK) == SORT_THREADS)
update_index_threaded (ctx, check, oldcount);
else
update_index_unthreaded (ctx, check, oldcount);
menu->current = -1;
if (oldcount)
{
/* restore the current message to the message it was pointing to */
for (j = 0; j < ctx->vcount; j++)
{
if (ctx->hdrs[ctx->v2r[j]]->index == menu->oldcurrent)
{
menu->current = j;
break;
}
}
}
if (menu->current < 0)
menu->current = ci_first_message ();
}
static void resort_index (MUTTMENU *menu)
{
int i;
HEADER *current = CURHDR;
menu->current = -1;
mutt_sort_headers (Context, 0);
/* Restore the current message */
for (i = 0; i < Context->vcount; i++)
{
if (Context->hdrs[Context->v2r[i]] == current)
{
menu->current = i;
break;
}
}
if ((Sort & SORT_MASK) == SORT_THREADS && menu->current < 0)
menu->current = mutt_parent_message (Context, current, 0);
if (menu->current < 0)
menu->current = ci_first_message ();
menu->redraw |= REDRAW_INDEX | REDRAW_STATUS;
}
static const struct mapping_t IndexHelp[] = {
{ N_("Quit"), OP_QUIT },
{ N_("Del"), OP_DELETE },
{ N_("Undel"), OP_UNDELETE },
{ N_("Save"), OP_SAVE },
{ N_("Mail"), OP_MAIL },
{ N_("Reply"), OP_REPLY },
{ N_("Group"), OP_GROUP_REPLY },
{ N_("Help"), OP_HELP },
{ NULL, 0 }
};
static void index_menu_redraw (MUTTMENU *menu)
{
char buf[LONG_STRING];
if (menu->redraw & REDRAW_FULL)
{
menu_redraw_full (menu);
mutt_show_error ();
}
#ifdef USE_SIDEBAR
if (menu->redraw & REDRAW_SIDEBAR)
{
mutt_sb_set_buffystats (Context);
menu_redraw_sidebar (menu);
}
#endif
if (Context && Context->hdrs && !(menu->current >= Context->vcount))
{
menu_check_recenter (menu);
if (menu->redraw & REDRAW_INDEX)
{
menu_redraw_index (menu);
menu->redraw |= REDRAW_STATUS;
}
else if (menu->redraw & (REDRAW_MOTION_RESYNCH | REDRAW_MOTION))
menu_redraw_motion (menu);
else if (menu->redraw & REDRAW_CURRENT)
menu_redraw_current (menu);
}
if (menu->redraw & REDRAW_STATUS)
{
menu_status_line (buf, sizeof (buf), menu, NONULL (Status));
mutt_window_move (MuttStatusWindow, 0, 0);
SETCOLOR (MT_COLOR_STATUS);
mutt_paddstr (MuttStatusWindow->cols, buf);
NORMAL_COLOR;
menu->redraw &= ~REDRAW_STATUS;
if (option(OPTTSENABLED) && TSSupported)
{
menu_status_line (buf, sizeof (buf), menu, NONULL (TSStatusFormat));
mutt_ts_status(buf);
menu_status_line (buf, sizeof (buf), menu, NONULL (TSIconFormat));
mutt_ts_icon(buf);
}
}
menu->redraw = 0;
}
/* This function handles the message index window as well as commands returned
* from the pager (MENU_PAGER).
*/
int mutt_index_menu (void)
{
char buf[LONG_STRING], helpstr[LONG_STRING];
int op = OP_NULL;
int done = 0; /* controls when to exit the "event" loop */
int i = 0, j;
int tag = 0; /* has the tag-prefix command been pressed? */
int newcount = -1;
int oldcount = -1;
int rc = -1;
MUTTMENU *menu;
char *cp; /* temporary variable. */
int index_hint; /* used to restore cursor position */
int do_buffy_notify = 1;
int close = 0; /* did we OP_QUIT or OP_EXIT out of this menu? */
int attach_msg = option(OPTATTACHMSG);
int in_pager = 0; /* set when pager redirects a function through the index */
menu = mutt_new_menu (MENU_MAIN);
menu->make_entry = index_make_entry;
menu->color = index_color;
menu->current = ci_first_message ();
menu->help = mutt_compile_help (helpstr, sizeof (helpstr), MENU_MAIN, IndexHelp);
menu->custom_menu_redraw = index_menu_redraw;
mutt_push_current_menu (menu);
if (!attach_msg)
{
mutt_buffy_check(MUTT_BUFFY_CHECK_FORCE); /* force the buffy check after we
enter the folder */
}
#ifdef USE_INOTIFY
mutt_monitor_add (NULL);
#endif
FOREVER
{
/* Clear the tag prefix unless we just started it. Don't clear
* the prefix on a timeout (op==-2), but do clear on an abort (op==-1)
*/
if (tag && op != OP_TAG_PREFIX && op != OP_TAG_PREFIX_COND && op != -2)
tag = 0;
/* check if we need to resort the index because just about
* any 'op' below could do mutt_enter_command(), either here or
* from any new menu launched, and change $sort/$sort_aux
*/
if (option (OPTNEEDRESORT) && Context && Context->msgcount && menu->current >= 0)
resort_index (menu);
menu->max = Context ? Context->vcount : 0;
oldcount = Context ? Context->msgcount : 0;
if (option (OPTREDRAWTREE) && Context && Context->msgcount && (Sort & SORT_MASK) == SORT_THREADS)
{
mutt_draw_tree (Context);
menu->redraw |= REDRAW_STATUS;
unset_option (OPTREDRAWTREE);
}
if (Context && !attach_msg)
{
int check;
/* check for new mail in the mailbox. If nonzero, then something has
* changed about the file (either we got new mail or the file was
* modified underneath us.)
*/
index_hint = (Context->vcount && menu->current >= 0 && menu->current < Context->vcount) ? CURHDR->index : 0;
if ((check = mx_check_mailbox (Context, &index_hint)) < 0)
{
if (!Context->path)
{
/* fatal error occurred */
FREE (&Context);
menu->redraw = REDRAW_FULL;
}
set_option (OPTSEARCHINVALID);
}
else if (check == MUTT_NEW_MAIL || check == MUTT_REOPENED ||
check == MUTT_FLAGS || check == MUTT_RECONNECTED)
{
update_index (menu, Context, check, oldcount, index_hint);
/* notify the user of new mail */
if (check == MUTT_REOPENED)
mutt_error _("Mailbox was externally modified. Flags may be wrong.");
else if (check == MUTT_RECONNECTED)
{
/* L10N:
Message printed on status line in index after mx_check_mailbox(),
when IMAP has an error and Mutt successfully reconnects.
*/
mutt_error _("Mailbox reconnected. Some changes may have been lost.");
}
else if (check == MUTT_NEW_MAIL)
{
mutt_message _("New mail in this mailbox.");
if (option (OPTBEEPNEW))
beep ();
if (NewMailCmd)
{
char cmd[LONG_STRING];
menu_status_line(cmd, sizeof(cmd), menu, NONULL(NewMailCmd));
mutt_system(cmd);
}
}
else if (check == MUTT_FLAGS)
mutt_message _("Mailbox was externally modified.");
/* avoid the message being overwritten by buffy */
do_buffy_notify = 0;
menu->redraw = REDRAW_FULL;
menu->max = Context->vcount;
set_option (OPTSEARCHINVALID);
}
}
if (!attach_msg)
{
/* check for new mail in the incoming folders */
oldcount = newcount;
if ((newcount = mutt_buffy_check (0)) != oldcount)
menu->redraw |= REDRAW_STATUS;
if (do_buffy_notify)
{
if (mutt_buffy_notify())
{
menu->redraw |= REDRAW_STATUS;
if (option (OPTBEEPNEW))
beep();
if (NewMailCmd)
{
char cmd[LONG_STRING];
menu_status_line(cmd, sizeof(cmd), menu, NONULL(NewMailCmd));
mutt_system(cmd);
}
}
}
else
do_buffy_notify = 1;
}
if (op >= 0)
mutt_curs_set (0);
if (!in_pager)
{
#if defined (USE_SLANG_CURSES) || defined (HAVE_RESIZETERM)
while (SigWinch)
{
do
{
SigWinch = 0;
mutt_resize_screen ();
}
while (SigWinch);
/*
* force a real complete redraw. clrtobot() doesn't seem to be able
* to handle every case without this.
*/
clearok(stdscr,TRUE);
}
#endif
index_menu_redraw (menu);
/* give visual indication that the next command is a tag- command */
if (tag)
{
mutt_window_mvaddstr (MuttMessageWindow, 0, 0, "tag-");
mutt_window_clrtoeol (MuttMessageWindow);
}
if (menu->current < menu->max)
menu->oldcurrent = menu->current;
else
menu->oldcurrent = -1;
if (option (OPTARROWCURSOR))
mutt_window_move (MuttIndexWindow, menu->current - menu->top + menu->offset, 2);
else if (option (OPTBRAILLEFRIENDLY))
mutt_window_move (MuttIndexWindow, menu->current - menu->top + menu->offset, 0);
else
mutt_window_move (MuttIndexWindow, menu->current - menu->top + menu->offset,
MuttIndexWindow->cols - 1);
mutt_refresh ();
op = km_dokey (MENU_MAIN);
dprint(4, (debugfile, "mutt_index_menu[%d]: Got op %d\n", __LINE__, op));
/* either user abort or timeout */
if (op < 0)
{
if (tag)
mutt_window_clearline (MuttMessageWindow, 0);
continue;
}
mutt_curs_set (1);
/* special handling for the tag-prefix function */
if (op == OP_TAG_PREFIX || op == OP_TAG_PREFIX_COND)
{
/* A second tag-prefix command aborts */
if (tag)
{
tag = 0;
mutt_window_clearline (MuttMessageWindow, 0);
continue;
}
if (!Context)
{
mutt_error _("No mailbox is open.");
continue;
}
if (!Context->tagged)
{
if (op == OP_TAG_PREFIX)
mutt_error _("No tagged messages.");
else if (op == OP_TAG_PREFIX_COND)
{
mutt_flush_macro_to_endcond ();
mutt_message _("Nothing to do.");
}
continue;
}
/* get the real command */
tag = 1;
continue;
}
else if (option (OPTAUTOTAG) && Context && Context->tagged)
tag = 1;
mutt_clear_error ();
}
else
{
if (menu->current < menu->max)
menu->oldcurrent = menu->current;
else
menu->oldcurrent = -1;
mutt_curs_set (1); /* fallback from the pager */
}
switch (op)
{
/* ----------------------------------------------------------------------
* movement commands
*/
case OP_BOTTOM_PAGE:
menu_bottom_page (menu);
break;
case OP_FIRST_ENTRY:
menu_first_entry (menu);
break;
case OP_MIDDLE_PAGE:
menu_middle_page (menu);
break;
case OP_HALF_UP:
menu_half_up (menu);
break;
case OP_HALF_DOWN:
menu_half_down (menu);
break;
case OP_NEXT_LINE:
menu_next_line (menu);
break;
case OP_PREV_LINE:
menu_prev_line (menu);
break;
case OP_NEXT_PAGE:
menu_next_page (menu);
break;
case OP_PREV_PAGE:
menu_prev_page (menu);
break;
case OP_LAST_ENTRY:
menu_last_entry (menu);
break;
case OP_TOP_PAGE:
menu_top_page (menu);
break;
case OP_CURRENT_TOP:
menu_current_top (menu);
break;
case OP_CURRENT_MIDDLE:
menu_current_middle (menu);
break;
case OP_CURRENT_BOTTOM:
menu_current_bottom (menu);
break;
case OP_JUMP:
CHECK_MSGCOUNT;
CHECK_VISIBLE;
if (isdigit (LastKey)) mutt_unget_event (LastKey, 0);
buf[0] = 0;
if (mutt_get_field (_("Jump to message: "), buf, sizeof (buf), 0) != 0
|| !buf[0])
{
if (in_pager)
{
op = OP_DISPLAY_MESSAGE;
continue;
}
break;
}
if (mutt_atoi (buf, &i, 0) < 0)
{
mutt_error _("Argument must be a message number.");
break;
}
if (i > 0 && i <= Context->msgcount)
{
for (j = i-1; j < Context->msgcount; j++)
{
if (Context->hdrs[j]->virtual != -1)
break;
}
if (j >= Context->msgcount)
{
for (j = i-2; j >= 0; j--)
{
if (Context->hdrs[j]->virtual != -1)
break;
}
}
if (j >= 0)
{
menu->current = Context->hdrs[j]->virtual;
if (in_pager)
{
op = OP_DISPLAY_MESSAGE;
continue;
}
else
menu->redraw = REDRAW_MOTION;
}
else
mutt_error _("That message is not visible.");
}
else
mutt_error _("Invalid message number.");
break;
/* --------------------------------------------------------------------
* `index' specific commands