http://www.lunar-linux.org/mutt-sidebar/
http://lunar-linux.org/~tchan/mutt/patch-1.5.23.sidebar.20140412.txt

*** mutt-1.5.23-orig/buffy.c	2014-03-12 11:03:44.000000000 -0500
--- mutt-1.5.23/buffy.c	2014-04-12 15:33:54.000000000 -0500
***************
*** 161,166 ****
--- 161,209 ----
    }
  }
  
+ static int buffy_compare_name(const void *a, const void *b) {
+   const BUFFY *b1 = * (BUFFY * const *) a;
+   const BUFFY *b2 = * (BUFFY * const *) b;
+ 
+   return mutt_strcoll(b1->path, b2->path);
+ }
+ 
+ static BUFFY *buffy_sort(BUFFY *b)
+ {
+   BUFFY *tmp = b;
+   int buffycount = 0;
+   BUFFY **ary;
+   int i;
+ 
+   if (!option(OPTSIDEBARSORT))
+     return b;
+ 
+   for (; tmp != NULL; tmp = tmp->next)
+     buffycount++;
+ 
+   ary = (BUFFY **) safe_calloc(buffycount, sizeof (*ary));
+ 
+   tmp = b;
+   for (i = 0; tmp != NULL; tmp = tmp->next, i++) {
+     ary[i] = tmp;
+   }
+ 
+   qsort(ary, buffycount, sizeof(*ary), buffy_compare_name);
+ 
+   for (i = 0; i < buffycount - 1; i++) {
+     ary[i]->next = ary[i+1];
+   }
+   ary[buffycount - 1]->next = NULL;
+   for (i = 1; i < buffycount; i++) {
+     ary[i]->prev = ary[i-1];
+   }
+   ary[0]->prev = NULL;
+ 
+   tmp = ary[0];
+   free(ary);
+   return tmp;
+ }
+ 
  BUFFY *mutt_find_mailbox (const char *path)
  {
    BUFFY *tmp = NULL;
***************
*** 196,204 ****
--- 239,251 ----
  static BUFFY *buffy_new (const char *path)
  {
    BUFFY* buffy;
+   char rp[PATH_MAX];
+   char *r;
  
    buffy = (BUFFY *) safe_calloc (1, sizeof (BUFFY));
    strfcpy (buffy->path, path, sizeof (buffy->path));
+   r = realpath(path, rp);
+   strfcpy (buffy->realpath, r ? rp : path, sizeof (buffy->realpath));
    buffy->next = NULL;
    buffy->magic = 0;
  
***************
*** 243,250 ****
      p = realpath (buf, f1);
      for (tmp = &Incoming; *tmp; tmp = &((*tmp)->next))
      {
!       q = realpath ((*tmp)->path, f2);
!       if (mutt_strcmp (p ? p : buf, q ? q : (*tmp)->path) == 0)
        {
  	dprint(3,(debugfile,"mailbox '%s' already registered as '%s'\n", buf, (*tmp)->path));
  	break;
--- 290,297 ----
      p = realpath (buf, f1);
      for (tmp = &Incoming; *tmp; tmp = &((*tmp)->next))
      {
!       q = (*tmp)->realpath;
!       if (mutt_strcmp (p ? p : buf, q) == 0)
        {
  	dprint(3,(debugfile,"mailbox '%s' already registered as '%s'\n", buf, (*tmp)->path));
  	break;
***************
*** 282,287 ****
--- 329,335 ----
      else
        (*tmp)->size = 0;
    }
+   Incoming = buffy_sort(Incoming);
    return 0;
  }
  
***************
*** 306,311 ****
--- 354,364 ----
        return 0;
    }
  
+   if (option(OPTSIDEBAR) && mailbox->msg_unread > 0) {
+       mailbox->new = 1;
+       return 1;
+   }
+ 
    if ((dirp = opendir (path)) == NULL)
    {
      mailbox->magic = 0;
***************
*** 340,345 ****
--- 393,464 ----
    return rc;
  }
  
+ /* update message counts for the sidebar */
+ void buffy_maildir_update (BUFFY* mailbox)
+ {
+   char path[_POSIX_PATH_MAX];
+   DIR *dirp;
+   struct dirent *de;
+   char *p;
+ 
+   if(!option(OPTSIDEBAR))
+       return;
+ 
+   mailbox->msgcount = 0;
+   mailbox->msg_unread = 0;
+   mailbox->msg_flagged = 0;
+ 
+   snprintf (path, sizeof (path), "%s/new", mailbox->path);
+         
+   if ((dirp = opendir (path)) == NULL)
+   {   
+     mailbox->magic = 0;
+     return;
+   } 
+       
+   while ((de = readdir (dirp)) != NULL)
+   {
+     if (*de->d_name == '.')
+       continue;
+ 
+     if (!(p = strstr (de->d_name, ":2,")) || !strchr (p + 3, 'T')) {
+       mailbox->new = 1;
+       mailbox->msgcount++;
+       mailbox->msg_unread++;
+     }
+   }
+ 
+   closedir (dirp);
+   snprintf (path, sizeof (path), "%s/cur", mailbox->path);
+         
+   if ((dirp = opendir (path)) == NULL)
+   {   
+     mailbox->magic = 0;
+     return;
+   } 
+       
+   while ((de = readdir (dirp)) != NULL)
+   {
+     if (*de->d_name == '.')
+       continue;
+ 
+     if (!(p = strstr (de->d_name, ":2,")) || !strchr (p + 3, 'T')) {
+       mailbox->msgcount++;
+       if ((p = strstr (de->d_name, ":2,"))) {
+         if (!strchr (p + 3, 'T')) {
+           if (!strchr (p + 3, 'S'))
+             mailbox->msg_unread++;
+           if (strchr(p + 3, 'F'))
+             mailbox->msg_flagged++;
+         }
+       }
+     }
+   }
+ 
+   mailbox->sb_last_checked = time(NULL);
+   closedir (dirp);
+ }
+ 
  /* returns 1 if mailbox has new mail */ 
  static int buffy_mbox_hasnew (BUFFY* mailbox, struct stat *sb)
  {
***************
*** 351,357 ****
    else
      statcheck = sb->st_mtime > sb->st_atime
        || (mailbox->newly_created && sb->st_ctime == sb->st_mtime && sb->st_ctime == sb->st_atime);
!   if (statcheck)
    {
      if (!option(OPTMAILCHECKRECENT) || sb->st_mtime > mailbox->last_visited)
      {
--- 470,476 ----
    else
      statcheck = sb->st_mtime > sb->st_atime
        || (mailbox->newly_created && sb->st_ctime == sb->st_mtime && sb->st_ctime == sb->st_atime);
!   if ((!option(OPTSIDEBAR) && statcheck) || (option(OPTSIDEBAR) && mailbox->msg_unread > 0))
    {
      if (!option(OPTMAILCHECKRECENT) || sb->st_mtime > mailbox->last_visited)
      {
***************
*** 371,376 ****
--- 490,516 ----
    return rc;
  }
  
+ /* update message counts for the sidebar */
+ void buffy_mbox_update (BUFFY* mailbox, struct stat *sb)
+ {
+   CONTEXT *ctx = NULL;
+ 
+   if(!option(OPTSIDEBAR))
+       return;
+   if(mailbox->sb_last_checked > sb->st_mtime && mailbox->msgcount != 0)
+       return; /* no check necessary */
+ 
+   ctx = mx_open_mailbox(mailbox->path, M_READONLY | M_QUIET | M_NOSORT | M_PEEK, NULL);
+   if(ctx)
+   {
+     mailbox->msgcount = ctx->msgcount;
+     mailbox->msg_unread = ctx->unread;
+     mailbox->msg_flagged = ctx->flagged;
+     mailbox->sb_last_checked = time(NULL);
+     mx_close_mailbox(ctx, 0);
+   }
+ }
+ 
  int mutt_buffy_check (int force)
  {
    BUFFY *tmp;
***************
*** 444,460 ****
        {
        case M_MBOX:
        case M_MMDF:
  	if (buffy_mbox_hasnew (tmp, &sb) > 0)
  	  BuffyCount++;
  	break;
  
        case M_MAILDIR:
  	if (buffy_maildir_hasnew (tmp) > 0)
  	  BuffyCount++;
  	break;
  
        case M_MH:
! 	mh_buffy(tmp);
  	if (tmp->new)
  	  BuffyCount++;
  	break;
--- 584,603 ----
        {
        case M_MBOX:
        case M_MMDF:
+ 	buffy_mbox_update (tmp, &sb);
  	if (buffy_mbox_hasnew (tmp, &sb) > 0)
  	  BuffyCount++;
  	break;
  
        case M_MAILDIR:
+ 	buffy_maildir_update (tmp);
  	if (buffy_maildir_hasnew (tmp) > 0)
  	  BuffyCount++;
  	break;
  
        case M_MH:
! 	mh_buffy_update (tmp->path, &tmp->msgcount, &tmp->msg_unread, &tmp->msg_flagged, &tmp->sb_last_checked);
!         mh_buffy(tmp);
  	if (tmp->new)
  	  BuffyCount++;
  	break;
*** mutt-1.5.23-orig/buffy.h	2014-03-12 11:03:44.000000000 -0500
--- mutt-1.5.23/buffy.h	2014-04-11 10:14:01.000000000 -0500
***************
*** 23,35 ****
--- 23,41 ----
  typedef struct buffy_t
  {
    char path[_POSIX_PATH_MAX];
+   char realpath[_POSIX_PATH_MAX];
    off_t size;
    struct buffy_t *next;
+   struct buffy_t *prev;
    short new;			/* mailbox has new mail */
+   int msgcount;			/* total number of messages */
+   int msg_unread;		/* number of unread messages */
+   int msg_flagged;		/* number of flagged messages */
    short notified;		/* user has been notified */
    short magic;			/* mailbox type */
    short newly_created;		/* mbox or mmdf just popped into existence */
    time_t last_visited;		/* time of last exit from this mailbox */
+   time_t sb_last_checked;      /* time of last buffy check from sidebar */
  }
  BUFFY;
  
*** mutt-1.5.23-orig/color.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/color.c	2014-04-11 10:14:01.000000000 -0500
***************
*** 93,98 ****
--- 93,100 ----
    { "bold",		MT_COLOR_BOLD },
    { "underline",	MT_COLOR_UNDERLINE },
    { "index",		MT_COLOR_INDEX },
+   { "sidebar_new",	MT_COLOR_NEW },
+   { "sidebar_flagged",	MT_COLOR_FLAGGED },
    { NULL,		0 }
  };
  
*** mutt-1.5.23-orig/compose.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/compose.c	2014-04-12 12:15:56.000000000 -0500
***************
*** 72,78 ****
  
  #define HDR_XOFFSET 10
  #define TITLE_FMT "%10s" /* Used for Prompts, which are ASCII */
! #define W (COLS - HDR_XOFFSET)
  
  static const char * const Prompts[] =
  {
--- 72,78 ----
  
  #define HDR_XOFFSET 10
  #define TITLE_FMT "%10s" /* Used for Prompts, which are ASCII */
! #define W (COLS - HDR_XOFFSET - SidebarWidth)
  
  static const char * const Prompts[] =
  {
***************
*** 110,116 ****
  
  static void redraw_crypt_lines (HEADER *msg)
  {
!   mvaddstr (HDR_CRYPT, 0, "Security: ");
  
    if ((WithCrypto & (APPLICATION_PGP | APPLICATION_SMIME)) == 0)
    {
--- 110,116 ----
  
  static void redraw_crypt_lines (HEADER *msg)
  {
!   mvaddstr (HDR_CRYPT, SidebarWidth, "Security: ");
  
    if ((WithCrypto & (APPLICATION_PGP | APPLICATION_SMIME)) == 0)
    {
***************
*** 142,148 ****
    }
  
    clrtoeol ();
!   move (HDR_CRYPTINFO, 0);
    clrtoeol ();
  
    if ((WithCrypto & APPLICATION_PGP)
--- 142,148 ----
    }
  
    clrtoeol ();
!   move (HDR_CRYPTINFO, SidebarWidth);
    clrtoeol ();
  
    if ((WithCrypto & APPLICATION_PGP)
***************
*** 159,165 ****
        && (msg->security & ENCRYPT)
        && SmimeCryptAlg
        && *SmimeCryptAlg) {
!       mvprintw (HDR_CRYPTINFO, 40, "%s%s", _("Encrypt with: "),
  		NONULL(SmimeCryptAlg));
    }
  }
--- 159,165 ----
        && (msg->security & ENCRYPT)
        && SmimeCryptAlg
        && *SmimeCryptAlg) {
!       mvprintw (HDR_CRYPTINFO, SidebarWidth + 40, "%s%s", _("Encrypt with: "),
  		NONULL(SmimeCryptAlg));
    }
  }
***************
*** 172,178 ****
    int c;
    char *t;
  
!   mvaddstr (HDR_MIX, 0,     "     Mix: ");
  
    if (!chain)
    {
--- 172,178 ----
    int c;
    char *t;
  
!   mvaddstr (HDR_MIX, SidebarWidth,     "     Mix: ");
  
    if (!chain)
    {
***************
*** 187,193 ****
      if (t && t[0] == '0' && t[1] == '\0')
        t = "<random>";
      
!     if (c + mutt_strlen (t) + 2 >= COLS)
        break;
  
      addstr (NONULL(t));
--- 187,193 ----
      if (t && t[0] == '0' && t[1] == '\0')
        t = "<random>";
      
!     if (c + mutt_strlen (t) + 2 >= COLS - SidebarWidth)
        break;
  
      addstr (NONULL(t));
***************
*** 239,245 ****
  
    buf[0] = 0;
    rfc822_write_address (buf, sizeof (buf), addr, 1);
!   mvprintw (line, 0, TITLE_FMT, Prompts[line - 1]);
    mutt_paddstr (W, buf);
  }
  
--- 239,245 ----
  
    buf[0] = 0;
    rfc822_write_address (buf, sizeof (buf), addr, 1);
!   mvprintw (line, SidebarWidth, TITLE_FMT, Prompts[line - 1]);
    mutt_paddstr (W, buf);
  }
  
***************
*** 249,258 ****
    draw_envelope_addr (HDR_TO, msg->env->to);
    draw_envelope_addr (HDR_CC, msg->env->cc);
    draw_envelope_addr (HDR_BCC, msg->env->bcc);
!   mvprintw (HDR_SUBJECT, 0, TITLE_FMT, Prompts[HDR_SUBJECT - 1]);
    mutt_paddstr (W, NONULL (msg->env->subject));
    draw_envelope_addr (HDR_REPLYTO, msg->env->reply_to);
!   mvprintw (HDR_FCC, 0, TITLE_FMT, Prompts[HDR_FCC - 1]);
    mutt_paddstr (W, fcc);
  
    if (WithCrypto)
--- 249,258 ----
    draw_envelope_addr (HDR_TO, msg->env->to);
    draw_envelope_addr (HDR_CC, msg->env->cc);
    draw_envelope_addr (HDR_BCC, msg->env->bcc);
!   mvprintw (HDR_SUBJECT, SidebarWidth, TITLE_FMT, Prompts[HDR_SUBJECT - 1]);
    mutt_paddstr (W, NONULL (msg->env->subject));
    draw_envelope_addr (HDR_REPLYTO, msg->env->reply_to);
!   mvprintw (HDR_FCC, SidebarWidth, TITLE_FMT, Prompts[HDR_FCC - 1]);
    mutt_paddstr (W, fcc);
  
    if (WithCrypto)
***************
*** 263,269 ****
  #endif
  
    SETCOLOR (MT_COLOR_STATUS);
!   mvaddstr (HDR_ATTACH - 1, 0, _("-- Attachments"));
    clrtoeol ();
  
    NORMAL_COLOR;
--- 263,269 ----
  #endif
  
    SETCOLOR (MT_COLOR_STATUS);
!   mvaddstr (HDR_ATTACH - 1, SidebarWidth, _("-- Attachments"));
    clrtoeol ();
  
    NORMAL_COLOR;
***************
*** 299,305 ****
    /* redraw the expanded list so the user can see the result */
    buf[0] = 0;
    rfc822_write_address (buf, sizeof (buf), *addr, 1);
!   move (line, HDR_XOFFSET);
    mutt_paddstr (W, buf);
    
    return 0;
--- 299,305 ----
    /* redraw the expanded list so the user can see the result */
    buf[0] = 0;
    rfc822_write_address (buf, sizeof (buf), *addr, 1);
!   move (line, HDR_XOFFSET+SidebarWidth);
    mutt_paddstr (W, buf);
    
    return 0;
***************
*** 544,550 ****
  	if (mutt_get_field ("Subject: ", buf, sizeof (buf), 0) == 0)
  	{
  	  mutt_str_replace (&msg->env->subject, buf);
! 	  move (HDR_SUBJECT, HDR_XOFFSET);
  	  if (msg->env->subject)
  	    mutt_paddstr (W, msg->env->subject);
  	  else
--- 544,550 ----
  	if (mutt_get_field ("Subject: ", buf, sizeof (buf), 0) == 0)
  	{
  	  mutt_str_replace (&msg->env->subject, buf);
! 	  move (HDR_SUBJECT, HDR_XOFFSET + SidebarWidth);
  	  if (msg->env->subject)
  	    mutt_paddstr (W, msg->env->subject);
  	  else
***************
*** 562,568 ****
  	{
  	  strfcpy (fcc, buf, fcclen);
  	  mutt_pretty_mailbox (fcc, fcclen);
! 	  move (HDR_FCC, HDR_XOFFSET);
  	  mutt_paddstr (W, fcc);
  	  fccSet = 1;
  	}
--- 562,568 ----
  	{
  	  strfcpy (fcc, buf, fcclen);
  	  mutt_pretty_mailbox (fcc, fcclen);
! 	  move (HDR_FCC, HDR_XOFFSET + SidebarWidth);
  	  mutt_paddstr (W, fcc);
  	  fccSet = 1;
  	}
*** mutt-1.5.23-orig/configure.ac	2014-03-12 11:26:40.000000000 -0500
--- mutt-1.5.23/configure.ac	2014-04-11 10:14:01.000000000 -0500
***************
*** 1276,1281 ****
--- 1276,1283 ----
    AC_DEFINE(HAVE_LANGINFO_YESEXPR,1,[ Define if you have <langinfo.h> and nl_langinfo(YESEXPR). ])
  fi
  
+ AC_CHECK_FUNCS(fmemopen open_memstream)
+ 
  dnl Documentation tools
  have_openjade="no"
  AC_PATH_PROG([OSPCAT], [ospcat], [none])
*** mutt-1.5.23-orig/curs_main.c	2014-03-12 11:06:17.000000000 -0500
--- mutt-1.5.23/curs_main.c	2014-04-12 21:45:21.000000000 -0500
***************
*** 26,32 ****
--- 26,34 ----
  #include "mailbox.h"
  #include "mapping.h"
  #include "sort.h"
+ #include "buffy.h"
  #include "mx.h"
+ #include "sidebar.h"
  
  #ifdef USE_POP
  #include "pop.h"
***************
*** 519,538 ****
         menu->redraw |= REDRAW_STATUS;
       if (do_buffy_notify)
       {
!        if (mutt_buffy_notify () && option (OPTBEEPNEW))
!  	beep ();
       }
       else
         do_buffy_notify = 1;
      }
  
      if (op != -1)
        mutt_curs_set (0);
  
      if (menu->redraw & REDRAW_FULL)
      {
        menu_redraw_full (menu);
        mutt_show_error ();
      }
  
      if (menu->menu == MENU_MAIN)
--- 521,551 ----
         menu->redraw |= REDRAW_STATUS;
       if (do_buffy_notify)
       {
!        if (mutt_buffy_notify ())
!        {
!          menu->redraw |= REDRAW_STATUS;
!          if (option (OPTBEEPNEW))
!            beep ();
!        }
       }
       else
         do_buffy_notify = 1;
      }
  
+     if(option(OPTSIDEBAR))
+         menu->redraw |= REDRAW_SIDEBAR;
+ 
      if (op != -1)
        mutt_curs_set (0);
  
      if (menu->redraw & REDRAW_FULL)
      {
        menu_redraw_full (menu);
+       draw_sidebar(menu->menu);
        mutt_show_error ();
+     } else if(menu->redraw & REDRAW_SIDEBAR) {
+         draw_sidebar(menu->menu);
+         menu->redraw &= ~REDRAW_SIDEBAR;
      }
  
      if (menu->menu == MENU_MAIN)
***************
*** 554,562 ****
--- 567,578 ----
  
        if (menu->redraw & REDRAW_STATUS)
        {
+         DrawFullLine = 1;
  	menu_status_line (buf, sizeof (buf), menu, NONULL (Status));
+         DrawFullLine = 0;
  	move (option (OPTSTATUSONTOP) ? 0 : LINES-2, 0);
  	SETCOLOR (MT_COLOR_STATUS);
+         set_buffystats(Context);
  	mutt_paddstr (COLS, buf);
  	NORMAL_COLOR;
  	menu->redraw &= ~REDRAW_STATUS;
***************
*** 569,575 ****
  	menu->oldcurrent = -1;
  
        if (option (OPTARROWCURSOR))
! 	move (menu->current - menu->top + menu->offset, 2);
        else if (option (OPTBRAILLEFRIENDLY))
  	move (menu->current - menu->top + menu->offset, 0);
        else
--- 585,591 ----
  	menu->oldcurrent = -1;
  
        if (option (OPTARROWCURSOR))
! 	move (menu->current - menu->top + menu->offset, SidebarWidth + 2);
        else if (option (OPTBRAILLEFRIENDLY))
  	move (menu->current - menu->top + menu->offset, 0);
        else
***************
*** 1011,1016 ****
--- 1027,1033 ----
  	  break;
  
  	CHECK_MSGCOUNT;
+         CHECK_VISIBLE;
  	CHECK_READONLY;
  	{
  	  int oldvcount = Context->vcount;
***************
*** 1070,1075 ****
--- 1087,1093 ----
  	  menu->redraw = REDRAW_FULL;
  	break;
  
+       case OP_SIDEBAR_OPEN:
        case OP_MAIN_CHANGE_FOLDER:
        case OP_MAIN_NEXT_UNREAD_MAILBOX:
  
***************
*** 1101,1107 ****
  	{
  	  mutt_buffy (buf, sizeof (buf));
  
! 	  if (mutt_enter_fname (cp, buf, sizeof (buf), &menu->redraw, 1) == -1)
  	  {
  	    if (menu->menu == MENU_PAGER)
  	    {
--- 1119,1129 ----
  	{
  	  mutt_buffy (buf, sizeof (buf));
  
!           if ( op == OP_SIDEBAR_OPEN ) {
!               if(!CurBuffy)
!                 break;
!             strncpy( buf, CurBuffy->path, sizeof(buf) );  
! 	    } else if (mutt_enter_fname (cp, buf, sizeof (buf), &menu->redraw, 1) == -1)
  	  {
  	    if (menu->menu == MENU_PAGER)
  	    {
***************
*** 1119,1124 ****
--- 1141,1147 ----
  	}
  
  	mutt_expand_path (buf, sizeof (buf));
+         set_curbuffy(buf);
  	if (mx_get_magic (buf) <= 0)
  	{
  	  mutt_error (_("%s is not a mailbox."), buf);
***************
*** 2209,2214 ****
--- 2232,2243 ----
  	mutt_what_key();
  	break;
  
+       case OP_SIDEBAR_SCROLL_UP:
+       case OP_SIDEBAR_SCROLL_DOWN:
+       case OP_SIDEBAR_NEXT:
+       case OP_SIDEBAR_PREV:
+         scroll_sidebar(op, menu->menu);
+         break;
        default:
  	if (menu->menu == MENU_MAIN)
  	  km_error_key (MENU_MAIN);
*** mutt-1.5.23-orig/flags.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/flags.c	2014-04-11 10:14:01.000000000 -0500
***************
*** 22,29 ****
--- 22,31 ----
  
  #include "mutt.h"
  #include "mutt_curses.h"
+ #include "mutt_menu.h"
  #include "sort.h"
  #include "mx.h"
+ #include "sidebar.h"
  
  void _mutt_set_flag (CONTEXT *ctx, HEADER *h, int flag, int bf, int upd_ctx)
  {
***************
*** 263,268 ****
--- 265,271 ----
     */
    if (h->searched && (changed != h->changed || deleted != ctx->deleted || tagged != ctx->tagged || flagged != ctx->flagged))
      h->searched = 0;
+ 	draw_sidebar(0);
  }
  
  void mutt_tag_set_flag (int flag, int bf)
*** mutt-1.5.23-orig/functions.h	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/functions.h	2014-04-11 10:14:01.000000000 -0500
***************
*** 169,174 ****
--- 169,179 ----
    { "decrypt-save",		OP_DECRYPT_SAVE,		NULL },
  
  
+  { "sidebar-scroll-up",	OP_SIDEBAR_SCROLL_UP, NULL },
+  { "sidebar-scroll-down",	OP_SIDEBAR_SCROLL_DOWN, NULL },
+  { "sidebar-next",		OP_SIDEBAR_NEXT, NULL },
+  { "sidebar-prev",		OP_SIDEBAR_PREV, NULL },
+  { "sidebar-open",		OP_SIDEBAR_OPEN, NULL },
    { NULL,			0,				NULL }
  };
  
***************
*** 272,277 ****
--- 277,287 ----
  
    { "what-key",		OP_WHAT_KEY,		NULL },
  
+   { "sidebar-scroll-up",	OP_SIDEBAR_SCROLL_UP, NULL },
+   { "sidebar-scroll-down",	OP_SIDEBAR_SCROLL_DOWN, NULL },
+   { "sidebar-next",	OP_SIDEBAR_NEXT, NULL },
+   { "sidebar-prev",	OP_SIDEBAR_PREV, NULL },
+   { "sidebar-open", OP_SIDEBAR_OPEN, NULL },
    { NULL,		0,				NULL }
  };
  
*** mutt-1.5.23-orig/globals.h	2014-03-12 11:06:17.000000000 -0500
--- mutt-1.5.23/globals.h	2014-04-11 10:14:01.000000000 -0500
***************
*** 117,122 ****
--- 117,125 ----
  WHERE char *SendCharset;
  WHERE char *Sendmail;
  WHERE char *Shell;
+ WHERE char *SidebarDelim;
+ WHERE char *SidebarFormat;
+ WHERE char *SidebarIndentStr;
  WHERE char *Signature;
  WHERE char *SimpleSearch;
  #if USE_SMTP
***************
*** 208,213 ****
--- 211,219 ----
  WHERE short ScoreThresholdRead;
  WHERE short ScoreThresholdFlag;
  
+ WHERE struct buffy_t *CurBuffy INITVAL(0);
+ WHERE short DrawFullLine INITVAL(0);
+ WHERE short SidebarWidth;
  #ifdef USE_IMAP
  WHERE short ImapKeepalive;
  WHERE short ImapPipelineDepth;
*** mutt-1.5.23-orig/handler.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/handler.c	2014-04-11 10:14:01.000000000 -0500
***************
*** 1599,1604 ****
--- 1599,1609 ----
    size_t tmplength = 0;
    int rc = 0;
  
+ #ifdef HAVE_FMEMOPEN
+   char *temp;
+   size_t tempsize;
+ #endif
+ 
    int oflags = s->flags;
    
    /* first determine which handler to use to process this part */
***************
*** 1711,1716 ****
--- 1716,1729 ----
        {
  	/* decode to a tempfile, saving the original destination */
  	fp = s->fpout;
+ #ifdef HAVE_FMEMOPEN
+ 	if ((s->fpout = open_memstream(&temp, &tempsize)) == NULL)
+ 	{
+ 	  mutt_error _("Unable to open memory stream!");
+ 	  dprint (1, (debugfile, "Can't open memory stream.\n"));
+ 	  goto bail;
+ 	}
+ #else
  	mutt_mktemp (tempfile, sizeof (tempfile));
  	if ((s->fpout = safe_fopen (tempfile, "w")) == NULL)
  	{
***************
*** 1718,1723 ****
--- 1731,1737 ----
  	  dprint (1, (debugfile, "Can't open %s.\n", tempfile));
  	  goto bail;
  	}
+ #endif
  	/* decoding the attachment changes the size and offset, so save a copy
  	 * of the "real" values now, and restore them after processing
  	 */
***************
*** 1746,1753 ****
--- 1760,1778 ----
  	/* restore final destination and substitute the tempfile for input */
  	s->fpout = fp;
  	fp = s->fpin;
+ #ifdef HAVE_FMEMOPEN
+ 	if(tempsize)
+ 		s->fpin = fmemopen(temp, tempsize, "r");
+ 	else /* fmemopen cannot handle zero-length buffers */
+ 		s->fpin = safe_fopen ("/dev/null", "r");
+ 	if(s->fpin == NULL) {
+ 		mutt_perror("failed to re-open memstream!");
+ 		return (-1);
+ 	}
+ #else
  	s->fpin = fopen (tempfile, "r");
  	unlink (tempfile);
+ #endif
  
  	/* restore the prefix */
  	s->prefix = savePrefix;
***************
*** 1773,1778 ****
--- 1798,1807 ----
  
  	/* restore the original source stream */
  	safe_fclose (&s->fpin);
+ #ifdef HAVE_FMEMOPEN
+ 	if(tempsize)
+ 	    FREE(&temp);
+ #endif
  	s->fpin = fp;
        }
      }
*** mutt-1.5.23-orig/init.h	2014-03-12 11:06:17.000000000 -0500
--- mutt-1.5.23/init.h	2014-04-11 10:14:01.000000000 -0500
***************
*** 1966,1971 ****
--- 1966,2019 ----
    ** not used.
    ** (PGP only)
    */
+   {"sidebar_delim", DT_STR, R_BOTH, UL &SidebarDelim, UL "|"},
+   /*
+   ** .pp
+   ** This specifies the delimiter between the sidebar (if visible) and 
+   ** other screens.
+   */
+   {"sidebar_indentstr", DT_STR, R_BOTH, UL &SidebarIndentStr, UL " "},
+   /*
+   ** .pp
+   ** This specifies the string that is used to indent items
+   ** with sidebar_folderindent= yes
+   */
+   { "sidebar_visible", DT_BOOL, R_BOTH, OPTSIDEBAR, 0 },
+   /*
+   ** .pp
+   ** This specifies whether or not to show sidebar (left-side list of folders).
+   */
+   { "sidebar_sort", DT_BOOL, R_BOTH, OPTSIDEBARSORT, 0 },
+   /*
+   ** .pp
+   ** This specifies whether or not to sort the sidebar alphabetically.
+   */
+   { "sidebar_width", DT_NUM, R_BOTH, UL &SidebarWidth, 0 },
+   /*
+   ** .pp
+   ** The width of the sidebar.
+   */
+   { "sidebar_shortpath", DT_BOOL, R_BOTH, OPTSIDEBARSHORTPATH, 0 },
+   /*
+   ** .pp
+   ** Should the sidebar shorten the path showed.
+   */
+   {"sidebar_format", DT_STR, R_NONE, UL &SidebarFormat, UL "%B%?F? [%F]?%* %?N?%N/?%4S"},
+   /*
+   ** .pp
+   ** Format string for the sidebar. The sequences `%N', `%F' and `%S'
+   ** will be replaced by the number of new or flagged messages or the total
+   ** size of them mailbox. `%B' will be replaced with the name of the mailbox.
+   ** The `%!' sequence will be expanded to `!' if there is one flagged message;
+   ** to `!!' if there are two flagged messages; and to `n!' for n flagged
+   ** messages, n>2.
+   */
+   { "sidebar_folderindent", DT_BOOL, R_BOTH, OPTSIDEBARFOLDERINDENT, 0 },
+   /*
+   ** .pp
+   ** Should folders be indented in the sidebar.
+   */
+ 
    { "pgp_use_gpg_agent", DT_BOOL, R_NONE, OPTUSEGPGAGENT, 0},
    /*
    ** .pp
*** mutt-1.5.23-orig/mailbox.h	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/mailbox.h	2014-04-11 10:14:01.000000000 -0500
***************
*** 27,32 ****
--- 27,33 ----
  #define M_NEWFOLDER	(1<<4) /* create a new folder - same as M_APPEND, but uses
  				* safe_fopen() for mbox-style folders.
  				*/
+ #define M_PEEK		(1<<5) /* revert atime back after taking a look (if applicable) */
  
  /* mx_open_new_message() */
  #define M_ADD_FROM	1	/* add a From_ line */
*** mutt-1.5.23-orig/main.c	2014-03-12 11:06:17.000000000 -0500
--- mutt-1.5.23/main.c	2014-04-11 10:14:01.000000000 -0500
***************
*** 50,55 ****
--- 50,56 ----
  #include <unistd.h>
  #include <errno.h>
  #include <sys/stat.h>
+ #include <limits.h>
  #include <sys/utsname.h>
  
  #ifdef HAVE_GETOPT_H
***************
*** 555,561 ****
  
  int main (int argc, char **argv)
  {
!   char folder[_POSIX_PATH_MAX] = "";
    char *subject = NULL;
    char *includeFile = NULL;
    char *draftFile = NULL;
--- 556,562 ----
  
  int main (int argc, char **argv)
  {
!   char folder[PATH_MAX] = "";
    char *subject = NULL;
    char *includeFile = NULL;
    char *draftFile = NULL;
***************
*** 1025,1030 ****
--- 1026,1038 ----
        strfcpy (folder, NONULL(Spoolfile), sizeof (folder));
      mutt_expand_path (folder, sizeof (folder));
  
+     {
+       char tmpfolder[PATH_MAX];
+       strfcpy (tmpfolder, folder, sizeof (tmpfolder));
+       if(!realpath(tmpfolder, folder))
+           strfcpy (folder, tmpfolder, sizeof (tmpfolder));
+     }
+ 
      mutt_str_replace (&CurrentFolder, folder);
      mutt_str_replace (&LastFolder, folder);
  
***************
*** 1047,1052 ****
--- 1055,1061 ----
      if((Context = mx_open_mailbox (folder, ((flags & M_RO) || option (OPTREADONLY)) ? M_READONLY : 0, NULL))
         || !explicit_folder)
      {
+       set_curbuffy(folder);
        mutt_index_menu ();
        if (Context)
  	FREE (&Context);
*** mutt-1.5.23-orig/Makefile.am	2014-03-12 11:03:44.000000000 -0500
--- mutt-1.5.23/Makefile.am	2014-04-11 10:14:01.000000000 -0500
***************
*** 32,37 ****
--- 32,38 ----
  	rfc822.c rfc1524.c rfc2047.c rfc2231.c rfc3676.c \
  	score.c send.c sendlib.c signal.c sort.c \
  	status.c system.c thread.c charset.c history.c lib.c \
+ 	sidebar.c \
  	muttlib.c editmsg.c mbyte.c \
  	url.c ascii.c crypt-mod.c crypt-mod.h safe_asprintf.c
  
*** mutt-1.5.23-orig/Makefile.in	2014-03-12 11:26:44.000000000 -0500
--- mutt-1.5.23/Makefile.in	2014-04-12 12:12:38.000000000 -0500
***************
*** 129,135 ****
  	system.$(OBJEXT) thread.$(OBJEXT) charset.$(OBJEXT) \
  	history.$(OBJEXT) lib.$(OBJEXT) muttlib.$(OBJEXT) \
  	editmsg.$(OBJEXT) mbyte.$(OBJEXT) url.$(OBJEXT) \
! 	ascii.$(OBJEXT) crypt-mod.$(OBJEXT) safe_asprintf.$(OBJEXT)
  am__objects_1 =
  am__objects_2 = patchlist.$(OBJEXT) conststrings.$(OBJEXT) \
  	$(am__objects_1)
--- 129,136 ----
  	system.$(OBJEXT) thread.$(OBJEXT) charset.$(OBJEXT) \
  	history.$(OBJEXT) lib.$(OBJEXT) muttlib.$(OBJEXT) \
  	editmsg.$(OBJEXT) mbyte.$(OBJEXT) url.$(OBJEXT) \
! 	ascii.$(OBJEXT) crypt-mod.$(OBJEXT) safe_asprintf.$(OBJEXT) \
! 	sidebar.$(OBJEXT)
  am__objects_1 =
  am__objects_2 = patchlist.$(OBJEXT) conststrings.$(OBJEXT) \
  	$(am__objects_1)
***************
*** 468,474 ****
  	score.c send.c sendlib.c signal.c sort.c \
  	status.c system.c thread.c charset.c history.c lib.c \
  	muttlib.c editmsg.c mbyte.c \
! 	url.c ascii.c crypt-mod.c crypt-mod.h safe_asprintf.c
  
  nodist_mutt_SOURCES = $(BUILT_SOURCES)
  mutt_LDADD = @MUTT_LIB_OBJECTS@ @LIBOBJS@ $(LIBIMAP) $(MUTTLIBS) \
--- 469,476 ----
  	score.c send.c sendlib.c signal.c sort.c \
  	status.c system.c thread.c charset.c history.c lib.c \
  	muttlib.c editmsg.c mbyte.c \
! 	url.c ascii.c crypt-mod.c crypt-mod.h safe_asprintf.c \
! 	sidebar.c
  
  nodist_mutt_SOURCES = $(BUILT_SOURCES)
  mutt_LDADD = @MUTT_LIB_OBJECTS@ @LIBOBJS@ $(LIBIMAP) $(MUTTLIBS) \
***************
*** 500,506 ****
  	README.SSL smime.h group.h \
  	muttbug pgppacket.h depcomp ascii.h BEWARE PATCHES patchlist.sh \
  	ChangeLog mkchangelog.sh mutt_idna.h \
! 	snprintf.c regex.c crypt-gpgme.h hcachever.sh.in \
  	txt2c.c txt2c.sh version.sh check_sec.sh
  
  EXTRA_SCRIPTS = smime_keys
--- 502,508 ----
  	README.SSL smime.h group.h \
  	muttbug pgppacket.h depcomp ascii.h BEWARE PATCHES patchlist.sh \
  	ChangeLog mkchangelog.sh mutt_idna.h \
! 	snprintf.c regex.c crypt-gpgme.h sidebar.h hcachever.sh.in \
  	txt2c.c txt2c.sh version.sh check_sec.sh
  
  EXTRA_SCRIPTS = smime_keys
*** mutt-1.5.23-orig/mbox.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/mbox.c	2014-04-11 10:14:01.000000000 -0500
***************
*** 100,105 ****
--- 100,106 ----
      mutt_perror (ctx->path);
      return (-1);
    }
+   ctx->atime = sb.st_atime;
    ctx->mtime = sb.st_mtime;
    ctx->size = sb.st_size;
  
***************
*** 251,256 ****
--- 252,258 ----
  
    ctx->size = sb.st_size;
    ctx->mtime = sb.st_mtime;
+   ctx->atime = sb.st_atime;
  
  #ifdef NFS_ATTRIBUTE_HACK
    if (sb.st_mtime > sb.st_atime)
*** mutt-1.5.23-orig/menu.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/menu.c	2014-04-12 21:31:16.000000000 -0500
***************
*** 24,29 ****
--- 24,30 ----
  #include "mutt_curses.h"
  #include "mutt_menu.h"
  #include "mbyte.h"
+ #include "sidebar.h"
  
  extern size_t UngetCount;
  
***************
*** 186,192 ****
  {
    char *scratch = safe_strdup (s);
    int shift = option (OPTARROWCURSOR) ? 3 : 0;
!   int cols = COLS - shift;
  
    mutt_format_string (s, n, cols, cols, FMT_LEFT, ' ', scratch, mutt_strlen (scratch), 1);
    s[n - 1] = 0;
--- 187,193 ----
  {
    char *scratch = safe_strdup (s);
    int shift = option (OPTARROWCURSOR) ? 3 : 0;
!   int cols = COLS - shift - SidebarWidth;
  
    mutt_format_string (s, n, cols, cols, FMT_LEFT, ' ', scratch, mutt_strlen (scratch), 1);
    s[n - 1] = 0;
***************
*** 239,244 ****
--- 240,246 ----
    int do_color;
    int attr;
  
+   draw_sidebar(1);
    for (i = menu->top; i < menu->top + menu->pagelen; i++)
    {
      if (i < menu->max)
***************
*** 249,255 ****
        menu_pad_string (buf, sizeof (buf));
  
        ATTRSET(attr);
!       move(i - menu->top + menu->offset, 0);
        do_color = 1;
  
        if (i == menu->current)
--- 251,257 ----
        menu_pad_string (buf, sizeof (buf));
  
        ATTRSET(attr);
!       move(i - menu->top + menu->offset, SidebarWidth);
        do_color = 1;
  
        if (i == menu->current)
***************
*** 272,278 ****
      else
      {
        NORMAL_COLOR;
!       CLEARLINE(i - menu->top + menu->offset);
      }
    }
    NORMAL_COLOR;
--- 274,280 ----
      else
      {
        NORMAL_COLOR;
!       CLEARLINE_WIN (i - menu->top + menu->offset);
      }
    }
    NORMAL_COLOR;
***************
*** 289,295 ****
      return;
    }
    
!   move (menu->oldcurrent + menu->offset - menu->top, 0);
    ATTRSET(menu->color (menu->oldcurrent));
  
    if (option (OPTARROWCURSOR))
--- 291,297 ----
      return;
    }
    
!   move (menu->oldcurrent + menu->offset - menu->top, SidebarWidth);
    ATTRSET(menu->color (menu->oldcurrent));
  
    if (option (OPTARROWCURSOR))
***************
*** 301,313 ****
      {
        menu_make_entry (buf, sizeof (buf), menu, menu->oldcurrent);
        menu_pad_string (buf, sizeof (buf));
!       move (menu->oldcurrent + menu->offset - menu->top, 3);
        print_enriched_string (menu->color(menu->oldcurrent), (unsigned char *) buf, 1);
      }
  
      /* now draw it in the new location */
      SETCOLOR(MT_COLOR_INDICATOR);
!     mvaddstr(menu->current + menu->offset - menu->top, 0, "->");
    }
    else
    {
--- 303,315 ----
      {
        menu_make_entry (buf, sizeof (buf), menu, menu->oldcurrent);
        menu_pad_string (buf, sizeof (buf));
!       move (menu->oldcurrent + menu->offset - menu->top, SidebarWidth + 3);
        print_enriched_string (menu->color(menu->oldcurrent), (unsigned char *) buf, 1);
      }
  
      /* now draw it in the new location */
      SETCOLOR(MT_COLOR_INDICATOR);
!     mvaddstr(menu->current + menu->offset - menu->top, SidebarWidth, "->");
    }
    else
    {
***************
*** 320,326 ****
      menu_make_entry (buf, sizeof (buf), menu, menu->current);
      menu_pad_string (buf, sizeof (buf));
      SETCOLOR(MT_COLOR_INDICATOR);
!     move(menu->current - menu->top + menu->offset, 0);
      print_enriched_string (menu->color(menu->current), (unsigned char *) buf, 0);
    }
    menu->redraw &= REDRAW_STATUS;
--- 322,328 ----
      menu_make_entry (buf, sizeof (buf), menu, menu->current);
      menu_pad_string (buf, sizeof (buf));
      SETCOLOR(MT_COLOR_INDICATOR);
!     move(menu->current - menu->top + menu->offset, SidebarWidth);
      print_enriched_string (menu->color(menu->current), (unsigned char *) buf, 0);
    }
    menu->redraw &= REDRAW_STATUS;
***************
*** 332,338 ****
    char buf[LONG_STRING];
    int attr = menu->color (menu->current);
    
!   move (menu->current + menu->offset - menu->top, 0);
    menu_make_entry (buf, sizeof (buf), menu, menu->current);
    menu_pad_string (buf, sizeof (buf));
  
--- 334,340 ----
    char buf[LONG_STRING];
    int attr = menu->color (menu->current);
    
!   move (menu->current + menu->offset - menu->top, SidebarWidth);
    menu_make_entry (buf, sizeof (buf), menu, menu->current);
    menu_pad_string (buf, sizeof (buf));
  
***************
*** 872,878 ****
      
      
      if (option (OPTARROWCURSOR))
!       move (menu->current - menu->top + menu->offset, 2);
      else if (option (OPTBRAILLEFRIENDLY))
        move (menu->current - menu->top + menu->offset, 0);
      else
--- 874,880 ----
      
      
      if (option (OPTARROWCURSOR))
!       move (menu->current - menu->top + menu->offset, SidebarWidth + 2);
      else if (option (OPTBRAILLEFRIENDLY))
        move (menu->current - menu->top + menu->offset, 0);
      else
*** mutt-1.5.23-orig/mh.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/mh.c	2014-04-11 11:04:59.000000000 -0500
***************
*** 295,300 ****
--- 295,326 ----
    mhs_free_sequences (&mhs);
  }
  
+ void mh_buffy_update (const char *path, int *msgcount, int *msg_unread, int *msg_flagged, time_t *sb_last_checked)
+ {
+   int i;
+   struct mh_sequences mhs;
+   memset (&mhs, 0, sizeof (mhs));
+ 
+   if(!option(OPTSIDEBAR))
+       return;
+ 
+   if (mh_read_sequences (&mhs, path) < 0)
+     return;
+ 
+   msgcount = 0;
+   msg_unread = 0;
+   msg_flagged = 0;
+   for (i = 0; i <= mhs.max; i++)
+     msgcount++;
+     if (mhs_check (&mhs, i) & MH_SEQ_UNSEEN) {
+       msg_unread++;
+     }
+     if (mhs_check (&mhs, i) & MH_SEQ_FLAGGED)
+       msg_flagged++;
+   mhs_free_sequences (&mhs);
+   *sb_last_checked = time(NULL);
+ }
+ 
  static int mh_mkstemp (CONTEXT * dest, FILE ** fp, char **tgt)
  {
    int fd;
*** mutt-1.5.23-orig/mutt_curses.h	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/mutt_curses.h	2014-04-11 10:14:01.000000000 -0500
***************
*** 64,69 ****
--- 64,70 ----
  #undef lines
  #endif /* lines */
  
+ #define CLEARLINE_WIN(x) move(x,SidebarWidth), clrtoeol()
  #define CLEARLINE(x) move(x,0), clrtoeol()
  #define CENTERLINE(x,y) move(y, (COLS-strlen(x))/2), addstr(x)
  #define BEEP() do { if (option (OPTBEEP)) beep(); } while (0)
***************
*** 120,125 ****
--- 121,128 ----
    MT_COLOR_BOLD,
    MT_COLOR_UNDERLINE,
    MT_COLOR_INDEX,
+   MT_COLOR_NEW,
+   MT_COLOR_FLAGGED,
    MT_COLOR_MAX
  };
  
*** mutt-1.5.23-orig/mutt_menu.h	2014-03-12 11:06:17.000000000 -0500
--- mutt-1.5.23/mutt_menu.h	2014-04-11 10:14:01.000000000 -0500
***************
*** 34,39 ****
--- 34,40 ----
  #define REDRAW_FULL		(1<<5)
  #define REDRAW_BODY		(1<<6)
  #define REDRAW_SIGWINCH		(1<<7)
+ #define REDRAW_SIDEBAR		(1<<8)
  
  #define M_MODEFMT "-- Mutt: %s"
  
*** mutt-1.5.23-orig/mutt.h	2014-03-12 11:06:17.000000000 -0500
--- mutt-1.5.23/mutt.h	2014-04-11 10:14:01.000000000 -0500
***************
*** 421,426 ****
--- 421,430 ----
    OPTSAVEEMPTY,
    OPTSAVENAME,
    OPTSCORE,
+   OPTSIDEBAR,
+   OPTSIDEBARSHORTPATH,
+   OPTSIDEBARSORT,
+   OPTSIDEBARFOLDERINDENT,
    OPTSIGDASHES,
    OPTSIGONTOP,
    OPTSORTRE,
***************
*** 861,866 ****
--- 865,871 ----
  {
    char *path;
    FILE *fp;
+   time_t atime;
    time_t mtime;
    off_t size;
    off_t vsize;
***************
*** 895,900 ****
--- 900,906 ----
    unsigned int quiet : 1;	/* inhibit status messages? */
    unsigned int collapsed : 1;   /* are all threads collapsed? */
    unsigned int closing : 1;	/* mailbox is being closed */
+   unsigned int peekonly : 1;	/* just taking a glance, revert atime */
  
    /* driver hooks */
    void *data;			/* driver specific data */
*** mutt-1.5.23-orig/muttlib.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/muttlib.c	2014-04-11 10:14:01.000000000 -0500
***************
*** 1281,1286 ****
--- 1281,1288 ----
  	  pl = pw = 1;
  
  	/* see if there's room to add content, else ignore */
+         if ( DrawFullLine )
+         {
  	if ((col < COLS && wlen < destlen) || soft)
  	{
  	  int pad;
***************
*** 1324,1329 ****
--- 1326,1377 ----
  	  col += wid;
  	  src += pl;
  	}
+         }
+         else
+         {
+ 	if ((col < COLS-SidebarWidth && wlen < destlen) || soft)
+         {
+ 	  int pad;
+ 
+ 	  /* get contents after padding */
+ 	  mutt_FormatString (buf, sizeof (buf), 0, src + pl, callback, data, flags);
+ 	  len = mutt_strlen (buf);
+ 	  wid = mutt_strwidth (buf);
+ 
+ 	  /* try to consume as many columns as we can, if we don't have
+ 	   * memory for that, use as much memory as possible */
+ 	  pad = (COLS - SidebarWidth - col - wid) / pw;
+ 	  if (pad > 0 && wlen + (pad * pl) + len > destlen)
+ 	    pad = ((signed)(destlen - wlen - len)) / pl;
+ 	  if (pad > 0)
+ 	  {
+ 	    while (pad--)
+ 	    {
+ 	      memcpy (wptr, src, pl);
+ 	      wptr += pl;
+ 	      wlen += pl;
+ 	      col += pw;
+ 	    }
+ 	  }
+ 	  else if (soft && pad < 0)
+ 	  {
+ 	    /* \0-terminate dest for length computation in mutt_wstr_trunc() */
+ 	    *wptr = 0;
+ 	    /* make sure right part is at most as wide as display */
+ 	    len = mutt_wstr_trunc (buf, destlen, COLS, &wid);
+ 	    /* truncate left so that right part fits completely in */
+ 	    wlen = mutt_wstr_trunc (dest, destlen - len, col + pad, &col);
+ 	    wptr = dest + wlen;
+ 	  }
+ 	  if (len + wlen > destlen)
+ 	    len = mutt_wstr_trunc (buf, destlen - wlen, COLS - SidebarWidth - col, NULL);
+ 	  memcpy (wptr, buf, len);
+ 	  wptr += len;
+ 	  wlen += len;
+ 	  col += wid;
+ 	  src += pl;
+ 	}
+         }
  	break; /* skip rest of input */
        }
        else if (ch == '|')
*** mutt-1.5.23-orig/mx.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/mx.c	2014-04-11 10:14:01.000000000 -0500
***************
*** 580,585 ****
--- 580,586 ----
   *		M_APPEND	open mailbox for appending
   *		M_READONLY	open mailbox in read-only mode
   *		M_QUIET		only print error messages
+  *		M_PEEK		revert atime where applicable
   *	ctx	if non-null, context struct to use
   */
  CONTEXT *mx_open_mailbox (const char *path, int flags, CONTEXT *pctx)
***************
*** 602,607 ****
--- 603,610 ----
      ctx->quiet = 1;
    if (flags & M_READONLY)
      ctx->readonly = 1;
+   if (flags & M_PEEK)
+     ctx->peekonly = 1;
  
    if (flags & (M_APPEND|M_NEWFOLDER))
    {
***************
*** 701,713 ****
  void mx_fastclose_mailbox (CONTEXT *ctx)
  {
    int i;
  
    if(!ctx) 
      return;
  
    /* never announce that a mailbox we've just left has new mail. #3290
     * XXX: really belongs in mx_close_mailbox, but this is a nice hook point */
!   mutt_buffy_setnotified(ctx->path);
  
    if (ctx->mx_close)
      ctx->mx_close (ctx);
--- 704,729 ----
  void mx_fastclose_mailbox (CONTEXT *ctx)
  {
    int i;
+ #ifndef BUFFY_SIZE
+   struct utimbuf ut;
+ #endif
  
    if(!ctx) 
      return;
+ #ifndef BUFFY_SIZE
+   /* fix up the times so buffy won't get confused */
+   if (ctx->peekonly && ctx->path && ctx->mtime > ctx->atime)
+   {
+     ut.actime = ctx->atime;
+     ut.modtime = ctx->mtime;
+     utime (ctx->path, &ut); 
+   }
+ #endif
  
    /* never announce that a mailbox we've just left has new mail. #3290
     * XXX: really belongs in mx_close_mailbox, but this is a nice hook point */
!   if(!ctx->peekonly)
!     mutt_buffy_setnotified(ctx->path);
  
    if (ctx->mx_close)
      ctx->mx_close (ctx);
***************
*** 719,724 ****
--- 735,742 ----
    mutt_clear_threads (ctx);
    for (i = 0; i < ctx->msgcount; i++)
      mutt_free_header (&ctx->hdrs[i]);
+   ctx->msgcount -= ctx->deleted;
+   set_buffystats(ctx);
    FREE (&ctx->hdrs);
    FREE (&ctx->v2r);
    FREE (&ctx->path);
***************
*** 812,817 ****
--- 830,839 ----
      if (!ctx->hdrs[i]->deleted && ctx->hdrs[i]->read 
          && !(ctx->hdrs[i]->flagged && option (OPTKEEPFLAGGED)))
        read_msgs++;
+     if (ctx->hdrs[i]->deleted && !ctx->hdrs[i]->read)
+       ctx->unread--;
+     if (ctx->hdrs[i]->deleted && ctx->hdrs[i]->flagged)
+       ctx->flagged--;
    }
  
    if (read_msgs && quadoption (OPT_MOVE) != M_NO)
*** mutt-1.5.23-orig/mx.h	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/mx.h	2014-04-11 11:11:47.000000000 -0500
***************
*** 57,62 ****
--- 57,63 ----
  int mh_read_dir (CONTEXT *, const char *);
  int mh_sync_mailbox (CONTEXT *, int *);
  int mh_check_mailbox (CONTEXT *, int *);
+ void mh_buffy_update (const char *, int *, int *, int *, time_t *);
  int mh_check_empty (const char *);
  
  int maildir_read_dir (CONTEXT *);
*** mutt-1.5.23-orig/OPS	2014-03-12 11:03:44.000000000 -0500
--- mutt-1.5.23/OPS	2014-04-11 10:14:01.000000000 -0500
***************
*** 179,181 ****
--- 179,186 ----
  OP_MAIN_SHOW_LIMIT "show currently active limit pattern"
  OP_MAIN_COLLAPSE_THREAD "collapse/uncollapse current thread"
  OP_MAIN_COLLAPSE_ALL "collapse/uncollapse all threads"
+ OP_SIDEBAR_SCROLL_UP "scroll the mailbox pane up 1 page"
+ OP_SIDEBAR_SCROLL_DOWN "scroll the mailbox pane down 1 page"
+ OP_SIDEBAR_NEXT "go down to next mailbox"
+ OP_SIDEBAR_PREV "go to previous mailbox"
+ OP_SIDEBAR_OPEN "open hilighted mailbox"
*** mutt-1.5.23-orig/pager.c	2014-03-12 11:06:17.000000000 -0500
--- mutt-1.5.23/pager.c	2014-04-12 21:53:15.000000000 -0500
***************
*** 29,34 ****
--- 29,35 ----
  #include "pager.h"
  #include "attach.h"
  #include "mbyte.h"
+ #include "sidebar.h"
  
  #include "mutt_crypt.h"
  
***************
*** 1095,1100 ****
--- 1096,1102 ----
    wchar_t wc;
    mbstate_t mbstate;
    int wrap_cols = mutt_term_width ((flags & M_PAGER_NOWRAP) ? 0 : Wrap);
+   wrap_cols -= SidebarWidth;
  
    if (check_attachment_marker ((char *)buf) == 0)
      wrap_cols = COLS;
***************
*** 1572,1577 ****
--- 1574,1580 ----
  
    int bodyoffset = 1;			/* offset of first line of real text */
    int statusoffset = 0; 		/* offset for the status bar */
+   int statuswidth;
    int helpoffset = LINES - 2;		/* offset for the help bar. */
    int bodylen = LINES - 2 - bodyoffset; /* length of displayable area */
  
***************
*** 1746,1752 ****
      if ((redraw & REDRAW_BODY) || topline != oldtopline)
      {
        do {
! 	move (bodyoffset, 0);
  	curline = oldtopline = topline;
  	lines = 0;
  	force_redraw = 0;
--- 1749,1755 ----
      if ((redraw & REDRAW_BODY) || topline != oldtopline)
      {
        do {
! 	move (bodyoffset, SidebarWidth);
  	curline = oldtopline = topline;
  	lines = 0;
  	force_redraw = 0;
***************
*** 1759,1764 ****
--- 1762,1768 ----
  			    &QuoteList, &q_level, &force_redraw, &SearchRE) > 0)
  	    lines++;
  	  curline++;
+   	  move(lines + bodyoffset, SidebarWidth);
  	}
  	last_offset = lineInfo[curline].offset;
        } while (force_redraw);
***************
*** 1771,1776 ****
--- 1775,1781 ----
  	  addch ('~');
  	addch ('\n');
  	lines++;
+   	move(lines + bodyoffset, SidebarWidth);
        }
        NORMAL_COLOR;
  
***************
*** 1788,1816 ****
        hfi.ctx = Context;
        hfi.pager_progress = pager_progress_str;
  
        if (last_pos < sb.st_size - 1)
  	snprintf(pager_progress_str, sizeof(pager_progress_str), OFF_T_FMT "%%", (100 * last_offset / sb.st_size));
        else
  	strfcpy(pager_progress_str, (topline == 0) ? "all" : "end", sizeof(pager_progress_str));
  
        /* print out the pager status bar */
!       move (statusoffset, 0);
        SETCOLOR (MT_COLOR_STATUS);
  
        if (IsHeader (extra) || IsMsgAttach (extra))
        {
! 	size_t l1 = COLS * MB_LEN_MAX;
  	size_t l2 = sizeof (buffer);
  	hfi.hdr = (IsHeader (extra)) ? extra->hdr : extra->bdy->hdr;
  	mutt_make_string_info (buffer, l1 < l2 ? l1 : l2, NONULL (PagerFmt), &hfi, M_FORMAT_MAKEPRINT);
! 	mutt_paddstr (COLS, buffer);
        }
        else
        {
  	char bn[STRING];
  	snprintf (bn, sizeof (bn), "%s (%s)", banner, pager_progress_str);
! 	mutt_paddstr (COLS, bn);
        }
        NORMAL_COLOR;
      }
  
--- 1793,1831 ----
        hfi.ctx = Context;
        hfi.pager_progress = pager_progress_str;
  
+       statuswidth = COLS - (option(OPTSTATUSONTOP) && PagerIndexLines > 0 ? SidebarWidth : 0);
+ 
        if (last_pos < sb.st_size - 1)
  	snprintf(pager_progress_str, sizeof(pager_progress_str), OFF_T_FMT "%%", (100 * last_offset / sb.st_size));
        else
  	strfcpy(pager_progress_str, (topline == 0) ? "all" : "end", sizeof(pager_progress_str));
  
        /* print out the pager status bar */
!       move (statusoffset, SidebarWidth);
        SETCOLOR (MT_COLOR_STATUS);
+       if(option(OPTSTATUSONTOP) && PagerIndexLines > 0) {
+           CLEARLINE_WIN (statusoffset);
+       } else {
+           CLEARLINE (statusoffset);
+           DrawFullLine = 1; /* for mutt_make_string_info */
+       }
  
        if (IsHeader (extra) || IsMsgAttach (extra))
        {
! 	size_t l1 = statuswidth * MB_LEN_MAX;
  	size_t l2 = sizeof (buffer);
  	hfi.hdr = (IsHeader (extra)) ? extra->hdr : extra->bdy->hdr;
  	mutt_make_string_info (buffer, l1 < l2 ? l1 : l2, NONULL (PagerFmt), &hfi, M_FORMAT_MAKEPRINT);
! 	mutt_paddstr (statuswidth, buffer);
        }
        else
        {
  	char bn[STRING];
  	snprintf (bn, sizeof (bn), "%s (%s)", banner, pager_progress_str);
! 	mutt_paddstr (statuswidth, bn);
        }
+       if(!option(OPTSTATUSONTOP) || PagerIndexLines == 0)
+           DrawFullLine = 0; /* reset */
        NORMAL_COLOR;
      }
  
***************
*** 1819,1834 ****
        /* redraw the pager_index indicator, because the
         * flags for this message might have changed. */
        menu_redraw_current (index);
  
        /* print out the index status bar */
        menu_status_line (buffer, sizeof (buffer), index, NONULL(Status));
   
!       move (indexoffset + (option (OPTSTATUSONTOP) ? 0 : (indexlen - 1)), 0);
        SETCOLOR (MT_COLOR_STATUS);
!       mutt_paddstr (COLS, buffer);
        NORMAL_COLOR;
      }
  
      redraw = 0;
  
      if (option(OPTBRAILLEFRIENDLY)) {
--- 1834,1855 ----
        /* redraw the pager_index indicator, because the
         * flags for this message might have changed. */
        menu_redraw_current (index);
+       draw_sidebar(MENU_PAGER);
  
        /* print out the index status bar */
        menu_status_line (buffer, sizeof (buffer), index, NONULL(Status));
   
!       move (indexoffset + (option (OPTSTATUSONTOP) ? 0 : (indexlen - 1)),
!           (option(OPTSTATUSONTOP) ? 0: SidebarWidth));
        SETCOLOR (MT_COLOR_STATUS);
!       mutt_paddstr (COLS - (option(OPTSTATUSONTOP) ? 0 : SidebarWidth), buffer);
        NORMAL_COLOR;
      }
  
+     /* if we're not using the index, update every time */
+     if ( index == 0 )
+       draw_sidebar(MENU_PAGER);
+ 
      redraw = 0;
  
      if (option(OPTBRAILLEFRIENDLY)) {
***************
*** 2763,2768 ****
--- 2784,2796 ----
  	mutt_what_key ();
  	break;
  
+       case OP_SIDEBAR_SCROLL_UP:
+       case OP_SIDEBAR_SCROLL_DOWN:
+       case OP_SIDEBAR_NEXT:
+       case OP_SIDEBAR_PREV:
+ 	scroll_sidebar(ch, MENU_PAGER);
+  	break;
+ 
        default:
  	ch = -1;
  	break;
*** mutt-1.5.23-orig/pattern.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/pattern.c	2014-04-11 10:14:01.000000000 -0500
***************
*** 154,159 ****
--- 154,163 ----
    HEADER *h = ctx->hdrs[msgno];
    char *buf;
    size_t blen;
+ #ifdef HAVE_FMEMOPEN
+   char *temp;
+   size_t tempsize;
+ #endif
  
    if ((msg = mx_open_message (ctx, msgno)) != NULL)
    {
***************
*** 163,174 ****
--- 167,186 ----
        memset (&s, 0, sizeof (s));
        s.fpin = msg->fp;
        s.flags = M_CHARCONV;
+ #ifdef HAVE_FMEMOPEN
+       if((s.fpout = open_memstream(&temp, &tempsize)) == NULL)
+       {
+ 	mutt_perror ("Error opening memstream");
+ 	return (0);
+       }
+ #else
        mutt_mktemp (tempfile, sizeof (tempfile));
        if ((s.fpout = safe_fopen (tempfile, "w+")) == NULL)
        {
  	mutt_perror (tempfile);
  	return (0);
        }
+ #endif
  
        if (pat->op != M_BODY)
  	mutt_copy_header (msg->fp, h, s.fpout, CH_FROM | CH_DECODE, NULL);
***************
*** 184,190 ****
--- 196,206 ----
  	  if (s.fpout)
  	  {
  	    safe_fclose (&s.fpout);
+ #ifdef HAVE_FMEMOPEN
+             FREE(&temp);
+ #else
  	    unlink (tempfile);
+ #endif
  	  }
  	  return (0);
  	}
***************
*** 193,203 ****
--- 209,236 ----
  	mutt_body_handler (h->content, &s);
        }
  
+ #ifdef HAVE_FMEMOPEN
+       fclose(s.fpout);
+       lng = tempsize;
+ 
+       if(tempsize) {
+           if ((fp = fmemopen(temp, tempsize, "r")) == NULL) {
+             mutt_perror ("Error re-opening memstream");
+             return (0);
+           }
+       } else { /* fmemopen cannot handle empty buffers */
+           if ((fp = safe_fopen ("/dev/null", "r")) == NULL) {
+             mutt_perror ("Error opening /dev/null");
+             return (0);
+           }
+       }
+ #else
        fp = s.fpout;
        fflush (fp);
        fseek (fp, 0, 0);
        fstat (fileno (fp), &st);
        lng = (long) st.st_size;
+ #endif
      }
      else
      {
***************
*** 244,250 ****
--- 277,288 ----
      if (option (OPTTHOROUGHSRC))
      {
        safe_fclose (&fp);
+ #ifdef HAVE_FMEMOPEN
+       if(tempsize)
+           FREE (&temp);
+ #else
        unlink (tempfile);
+ #endif
      }
    }
  
*** mutt-1.5.23-orig/PATCHES	2014-03-12 11:03:44.000000000 -0500
--- mutt-1.5.23/PATCHES	2014-04-12 12:36:35.000000000 -0500
***************
*** 0 ****
--- 1 ----
+ patch-1.5.23.sidebar.20140412.txt
*** mutt-1.5.23-orig/protos.h	2014-03-12 11:06:17.000000000 -0500
--- mutt-1.5.23/protos.h	2014-04-11 10:14:01.000000000 -0500
***************
*** 36,41 ****
--- 36,48 ----
    const char *pager_progress;
  };
  
+ struct sidebar_entry {
+     char                box[SHORT_STRING];
+     unsigned int        size;
+     unsigned int        new;
+     unsigned int        flagged;
+ };
+ 
  void mutt_make_string_info (char *, size_t, const char *, struct hdr_format_info *, format_flag);
  
  int mutt_extract_token (BUFFER *, BUFFER *, int);
*** mutt-1.5.23-orig/sidebar.c	1969-12-31 18:00:00.000000000 -0600
--- mutt-1.5.23/sidebar.c	2014-04-11 10:14:01.000000000 -0500
***************
*** 0 ****
--- 1,405 ----
+ /*
+  * Copyright (C) ????-2004 Justin Hibbits <jrh29@po.cwru.edu>
+  * Copyright (C) 2004 Thomer M. Gil <mutt@thomer.com>
+  * 
+  *     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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+  */ 
+ 
+ 
+ #if HAVE_CONFIG_H
+ # include "config.h"
+ #endif
+ 
+ #include "mutt.h"
+ #include "mutt_menu.h"
+ #include "mutt_curses.h"
+ #include "sidebar.h"
+ #include "buffy.h"
+ #include <libgen.h>
+ #include "keymap.h"
+ #include <stdbool.h>
+ 
+ /*BUFFY *CurBuffy = 0;*/
+ static BUFFY *TopBuffy = 0;
+ static BUFFY *BottomBuffy = 0;
+ static int known_lines = 0;
+ 
+ void calc_boundaries() {
+ 
+     BUFFY *tmp = Incoming;
+ 
+ 	int count = LINES - 2 - (option(OPTHELP) ? 1 : 0);
+ 
+ 	if ( known_lines != LINES ) {
+ 		TopBuffy = BottomBuffy = 0;
+ 		known_lines = LINES;
+ 	}
+ 	for ( ; tmp->next != 0; tmp = tmp->next )
+ 		tmp->next->prev = tmp;
+ 
+ 	if ( TopBuffy == 0 && BottomBuffy == 0 )
+ 		TopBuffy = Incoming;
+ 	if ( BottomBuffy == 0 ) {
+ 		BottomBuffy = TopBuffy;
+ 		while ( --count && BottomBuffy->next )
+ 			BottomBuffy = BottomBuffy->next;
+ 	}
+ 	else if ( TopBuffy == CurBuffy->next ) {
+ 		BottomBuffy = CurBuffy;
+ 		tmp = BottomBuffy;
+ 		while ( --count && tmp->prev)
+ 			tmp = tmp->prev;
+ 		TopBuffy = tmp;
+ 	}
+ 	else if ( BottomBuffy == CurBuffy->prev ) {
+ 		TopBuffy = CurBuffy;
+ 		tmp = TopBuffy;
+ 		while ( --count && tmp->next )
+ 			tmp = tmp->next;
+ 		BottomBuffy = tmp;
+ 	}
+ }
+ 
+ static const char *
+ sidebar_format_str (char *dest,
+ 			size_t destlen,
+ 			size_t col,
+ 			char op,
+ 			const char *src,
+ 			const char *prefix,
+ 			const char *ifstring,
+ 			const char *elsestring,
+ 			unsigned long data,
+ 			format_flag flags)
+ {
+ /* casting from unsigned long - srsly?! */
+ struct sidebar_entry *sbe = (struct sidebar_entry *) data;
+ unsigned int optional;
+ char fmt[SHORT_STRING], buf[SHORT_STRING];
+ 
+ optional = flags & M_FORMAT_OPTIONAL;
+ 
+ switch(op) {
+ 	case 'F':
+ 		if(!optional) {
+ 			snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
+ 			snprintf (dest, destlen, fmt, sbe->flagged);
+ 		} else if(sbe->flagged == 0) {
+ 			optional = 0;
+ 		}
+ 		break;
+ 
+ 	case '!':
+ 		if(sbe->flagged == 0)
+ 			mutt_format_s(dest, destlen, prefix, "");
+ 		if(sbe->flagged == 1)
+ 			mutt_format_s(dest, destlen, prefix, "!");
+ 		if(sbe->flagged == 2)
+ 			mutt_format_s(dest, destlen, prefix, "!!");
+ 		if(sbe->flagged > 2) {
+ 			snprintf (buf, sizeof (buf), "%d!", sbe->flagged);
+ 			mutt_format_s(dest, destlen, prefix, buf);
+ 		}
+ 		break;
+ 
+ 	case 'S':
+ 		snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
+ 		snprintf (dest, destlen, fmt, sbe->size);
+ 		break;
+ 
+ 	case 'N':
+ 		if(!optional) {
+ 			snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
+ 			snprintf (dest, destlen, fmt, sbe->new);
+ 		} else if(sbe->new == 0) {
+ 			optional = 0;
+ 		}
+ 		break;
+ 
+ 	case 'B':
+ 		mutt_format_s(dest, destlen, prefix, sbe->box);
+ 		break;
+ 	}
+ 
+ 	if(optional)
+ 		mutt_FormatString (dest, destlen, col, ifstring, sidebar_format_str, (unsigned long) sbe, flags);
+ 	else if (flags & M_FORMAT_OPTIONAL)
+ 		mutt_FormatString (dest, destlen, col, elsestring, sidebar_format_str, (unsigned long) sbe, flags);
+ 
+ 	return (src);
+ }
+ 
+ char *make_sidebar_entry(char *box, unsigned int size, unsigned int new, unsigned int flagged) {
+     static char *entry = 0;
+     struct sidebar_entry sbe;
+     int SBvisual;
+ 
+     SBvisual = SidebarWidth - strlen(SidebarDelim);
+     if (SBvisual < 1)
+         return NULL;
+ 
+     sbe.new = new;
+     sbe.flagged = flagged;
+     sbe.size = size;
+     strncpy(sbe.box, box, 31);
+ 
+     safe_realloc(&entry, SBvisual + 2);
+     entry[SBvisual + 1] = '\0';
+ 
+     mutt_FormatString (entry, SBvisual+1, 0, SidebarFormat, sidebar_format_str, (unsigned long) &sbe, 0);
+ 
+     return entry;
+ }
+ 
+ void set_curbuffy(char buf[LONG_STRING])
+ {
+   BUFFY* tmp = CurBuffy = Incoming;
+ 
+   if (!Incoming)
+     return;
+ 
+   while(1) {
+     if(!strcmp(tmp->path, buf) || !strcmp(tmp->realpath, buf)) {
+       CurBuffy = tmp;
+       break;
+     }
+ 
+     if(tmp->next)
+       tmp = tmp->next;
+     else
+       break;
+   }
+ }
+ 
+ int draw_sidebar(int menu) {
+ 
+ 	BUFFY *tmp;
+ #ifndef USE_SLANG_CURSES
+         attr_t attrs;
+ #endif
+         short delim_len = strlen(SidebarDelim);
+         short color_pair;
+ 
+         static bool initialized = false;
+         static int prev_show_value;
+         static short saveSidebarWidth;
+         int lines = 0;
+         int SidebarHeight;
+         
+         if(option(OPTSTATUSONTOP) || option(OPTHELP))
+                 lines++; /* either one will occupy the first line */
+ 
+         /* initialize first time */
+         if(!initialized) {
+                 prev_show_value = option(OPTSIDEBAR);
+                 saveSidebarWidth = SidebarWidth;
+                 if(!option(OPTSIDEBAR)) SidebarWidth = 0;
+                 initialized = true;
+         }
+ 
+         /* save or restore the value SidebarWidth */
+         if(prev_show_value != option(OPTSIDEBAR)) {
+                 if(prev_show_value && !option(OPTSIDEBAR)) {
+                         saveSidebarWidth = SidebarWidth;
+                         SidebarWidth = 0;
+                 } else if(!prev_show_value && option(OPTSIDEBAR)) {
+                         mutt_buffy_check(1); /* we probably have bad or no numbers */
+                         SidebarWidth = saveSidebarWidth;
+                 }
+                 prev_show_value = option(OPTSIDEBAR);
+         }
+ 
+ 
+ /*	if ( SidebarWidth == 0 ) return 0; */
+        if (SidebarWidth > 0 && option (OPTSIDEBAR)
+            && delim_len >= SidebarWidth) {
+          unset_option (OPTSIDEBAR);
+          /* saveSidebarWidth = SidebarWidth; */
+          if (saveSidebarWidth > delim_len) {
+            SidebarWidth = saveSidebarWidth;
+            mutt_error (_("Value for sidebar_delim is too long. Disabling sidebar."));
+            sleep (2);
+          } else {
+            SidebarWidth = 0;
+            mutt_error (_("Value for sidebar_delim is too long. Disabling sidebar. Please set your sidebar_width to a sane value."));
+            sleep (4); /* the advise to set a sane value should be seen long enough */
+          }
+          saveSidebarWidth = 0;
+          return (0);
+        }
+ 
+     if ( SidebarWidth == 0 || !option(OPTSIDEBAR)) {
+       if (SidebarWidth > 0) {
+         saveSidebarWidth = SidebarWidth;
+         SidebarWidth = 0;
+       }
+       unset_option(OPTSIDEBAR);
+       return 0;
+     }
+ 
+         /* get attributes for divider */
+ 	SETCOLOR(MT_COLOR_STATUS);
+ #ifndef USE_SLANG_CURSES
+         attr_get(&attrs, &color_pair, 0);
+ #else
+         color_pair = attr_get();
+ #endif
+ 	SETCOLOR(MT_COLOR_NORMAL);
+ 
+ 	/* draw the divider */
+ 
+ 	SidebarHeight =  LINES - 1;
+ 	if(option(OPTHELP) || !option(OPTSTATUSONTOP))
+ 		SidebarHeight--;
+ 
+ 	for ( ; lines < SidebarHeight; lines++ ) {
+ 		move(lines, SidebarWidth - delim_len);
+ 		addstr(NONULL(SidebarDelim));
+ #ifndef USE_SLANG_CURSES
+                 mvchgat(lines, SidebarWidth - delim_len, delim_len, 0, color_pair, NULL);
+ #endif
+ 	}
+ 
+ 	if ( Incoming == 0 ) return 0;
+         lines = 0;
+         if(option(OPTSTATUSONTOP) || option(OPTHELP))
+                 lines++; /* either one will occupy the first line */
+ 
+ 	if ( known_lines != LINES || TopBuffy == 0 || BottomBuffy == 0 ) 
+ 		calc_boundaries(menu);
+ 	if ( CurBuffy == 0 ) CurBuffy = Incoming;
+ 
+ 	tmp = TopBuffy;
+ 
+ 	SETCOLOR(MT_COLOR_NORMAL);
+ 
+ 	for ( ; tmp && lines < SidebarHeight; tmp = tmp->next ) {
+ 		if ( tmp == CurBuffy )
+ 			SETCOLOR(MT_COLOR_INDICATOR);
+ 		else if ( tmp->msg_unread > 0 )
+ 			SETCOLOR(MT_COLOR_NEW);
+ 		else if ( tmp->msg_flagged > 0 )
+ 		        SETCOLOR(MT_COLOR_FLAGGED);
+ 		else
+ 			SETCOLOR(MT_COLOR_NORMAL);
+ 
+ 		move( lines, 0 );
+ 		if ( Context && (!strcmp(tmp->path, Context->path)||
+ 				 !strcmp(tmp->realpath, Context->path)) ) {
+ 			tmp->msg_unread = Context->unread;
+ 			tmp->msgcount = Context->msgcount;
+ 			tmp->msg_flagged = Context->flagged;
+ 		}
+ 		/* check whether Maildir is a prefix of the current folder's path */
+ 		short maildir_is_prefix = 0;
+ 		if ( (strlen(tmp->path) > strlen(Maildir)) &&
+ 			(strncmp(Maildir, tmp->path, strlen(Maildir)) == 0) )
+         		maildir_is_prefix = 1;
+ 		/* calculate depth of current folder and generate its display name with indented spaces */
+ 		int sidebar_folder_depth = 0;
+ 		char *sidebar_folder_name;
+ 		sidebar_folder_name = option(OPTSIDEBARSHORTPATH) ? mutt_basename(tmp->path) : tmp->path + maildir_is_prefix*(strlen(Maildir) + 1);
+ 		if ( maildir_is_prefix && option(OPTSIDEBARFOLDERINDENT) ) {
+ 			char *tmp_folder_name;
+ 			int i;
+ 			tmp_folder_name = tmp->path + strlen(Maildir) + 1;
+ 			for (i = 0; i < strlen(tmp->path) - strlen(Maildir); i++) {
+  				if (tmp_folder_name[i] == '/'  || tmp_folder_name[i] == '.') sidebar_folder_depth++;
+ 			}   
+ 			if (sidebar_folder_depth > 0) {
+  				if (option(OPTSIDEBARSHORTPATH)) {
+  					tmp_folder_name = strrchr(tmp->path, '.');
+  					if (tmp_folder_name == NULL)
+  						tmp_folder_name = mutt_basename(tmp->path);
+  					else
+ 						tmp_folder_name++;
+  				}
+  				else
+  					tmp_folder_name = tmp->path + strlen(Maildir) + 1;
+  				sidebar_folder_name = malloc(strlen(tmp_folder_name) + sidebar_folder_depth*strlen(NONULL(SidebarIndentStr)) + 1);
+ 				sidebar_folder_name[0]=0;
+ 				for (i=0; i < sidebar_folder_depth; i++)
+ 					strncat(sidebar_folder_name, NONULL(SidebarIndentStr), strlen(NONULL(SidebarIndentStr)));
+ 				strncat(sidebar_folder_name, tmp_folder_name, strlen(tmp_folder_name));
+ 			}
+ 		}
+ 		printw( "%.*s", SidebarWidth - delim_len + 1,
+ 			make_sidebar_entry(sidebar_folder_name, tmp->msgcount,
+ 			tmp->msg_unread, tmp->msg_flagged));
+ 		if (sidebar_folder_depth > 0)
+ 		        free(sidebar_folder_name);
+ 		lines++;
+ 	}
+ 	SETCOLOR(MT_COLOR_NORMAL);
+ 	for ( ; lines < SidebarHeight; lines++ ) {
+ 		int i = 0;
+ 		move( lines, 0 );
+ 		for ( ; i < SidebarWidth - delim_len; i++ )
+ 			addch(' ');
+ 	}
+ 	return 0;
+ }
+ 
+ 
+ void set_buffystats(CONTEXT* Context)
+ {
+         BUFFY *tmp = Incoming;
+         while(tmp) {
+                 if(Context && (!strcmp(tmp->path, Context->path) ||
+                                !strcmp(tmp->realpath, Context->path))) {
+ 			tmp->msg_unread = Context->unread;
+ 			tmp->msgcount = Context->msgcount;
+ 			tmp->msg_flagged = Context->flagged;
+                         break;
+                 }
+                 tmp = tmp->next;
+         }
+ }
+ 
+ void scroll_sidebar(int op, int menu)
+ {
+         if(!SidebarWidth) return;
+         if(!CurBuffy) return;
+ 
+ 	switch (op) {
+ 		case OP_SIDEBAR_NEXT:
+ 			if ( CurBuffy->next == NULL ) return;
+ 			CurBuffy = CurBuffy->next;
+ 			break;
+ 		case OP_SIDEBAR_PREV:
+ 			if ( CurBuffy->prev == NULL ) return;
+ 			CurBuffy = CurBuffy->prev;
+ 			break;
+ 		case OP_SIDEBAR_SCROLL_UP:
+ 			CurBuffy = TopBuffy;
+ 			if ( CurBuffy != Incoming ) {
+ 				calc_boundaries(menu);
+ 				CurBuffy = CurBuffy->prev;
+ 			}
+ 			break;
+ 		case OP_SIDEBAR_SCROLL_DOWN:
+ 			CurBuffy = BottomBuffy;
+ 			if ( CurBuffy->next ) {
+ 				calc_boundaries(menu);
+ 				CurBuffy = CurBuffy->next;
+ 			}
+ 			break;
+ 		default:
+ 			return;
+ 	}
+ 	calc_boundaries(menu);
+ 	draw_sidebar(menu);
+ }
+ 
*** mutt-1.5.23-orig/sidebar.h	1969-12-31 18:00:00.000000000 -0600
--- mutt-1.5.23/sidebar.h	2014-04-11 10:14:01.000000000 -0500
***************
*** 0 ****
--- 1,36 ----
+ /*
+  * Copyright (C) ????-2004 Justin Hibbits <jrh29@po.cwru.edu>
+  * Copyright (C) 2004 Thomer M. Gil <mutt@thomer.com>
+  * 
+  *     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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+  */ 
+ 
+ #ifndef SIDEBAR_H
+ #define SIDEBAR_H
+ 
+ struct MBOX_LIST {
+ 	char *path;
+ 	int msgcount;
+ 	int new;
+ } MBLIST;
+ 
+ /* parameter is whether or not to go to the status line */
+ /* used for omitting the last | that covers up the status bar in the index */
+ int draw_sidebar(int);
+ void scroll_sidebar(int, int);
+ void set_curbuffy(char*);
+ void set_buffystats(CONTEXT*);
+ 
+ #endif /* SIDEBAR_H */
*** mutt-1.5.23-orig/doc/Muttrc	2014-03-12 11:27:11.000000000 -0500
--- mutt-1.5.23/doc/Muttrc	2014-04-11 10:14:01.000000000 -0500
***************
*** 657,662 ****
--- 657,682 ----
  # $crypt_autosign, $crypt_replysign and $smime_is_default.
  # 
  # 
+ # set sidebar_visible=no
+ #
+ # Name: sidebar_visible
+ # Type: boolean
+ # Default: no
+ # 
+ # 
+ # This specifies whether or not to show sidebar (left-side list of folders).
+ # 
+ # 
+ # set sidebar_width=0
+ #
+ # Name: sidebar_width
+ # Type: number
+ # Default: 0
+ # 
+ # 
+ # The width of the sidebar.
+ # 
+ # 
  # set crypt_autosign=no
  #
  # Name: crypt_autosign
*** mutt-1.5.23-orig/imap/imap.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/imap/imap.c	2014-04-11 10:14:01.000000000 -0500
***************
*** 1514,1520 ****
  
      imap_munge_mbox_name (munged, sizeof (munged), name);
      snprintf (command, sizeof (command),
! 	      "STATUS %s (UIDNEXT UIDVALIDITY UNSEEN RECENT)", munged);
  
      if (imap_exec (idata, command, IMAP_CMD_QUEUE) < 0)
      {
--- 1514,1520 ----
  
      imap_munge_mbox_name (munged, sizeof (munged), name);
      snprintf (command, sizeof (command),
! 	      "STATUS %s (UIDNEXT UIDVALIDITY UNSEEN RECENT MESSAGES)", munged);
  
      if (imap_exec (idata, command, IMAP_CMD_QUEUE) < 0)
      {
*** mutt-1.5.23-orig/imap/command.c	2014-03-12 11:03:45.000000000 -0500
--- mutt-1.5.23/imap/command.c	2014-04-11 10:14:01.000000000 -0500
***************
*** 1012,1017 ****
--- 1012,1024 ----
  	     opened */
  	  status->uidnext = oldun;
  
+         /* Added to make the sidebar show the correct numbers */
+         if (status->messages)
+         {
+           inc->msgcount = status->messages;
+           inc->msg_unread = status->unseen;
+         }
+ 
          FREE (&value);
          return;
        }
