status.c

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#include "config.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include "mutt/lib.h"
#include "config/lib.h"
#include "core/lib.h"
#include "status.h"
#include "index/lib.h"
#include "menu/lib.h"
#include "postpone/lib.h"
#include "format_flags.h"
#include "globals.h"
#include "mutt_mailbox.h"
#include "mutt_thread.h"
#include "muttlib.h"
#include "mview.h"
 
static char *get_sort_str(char *buf, size_t buflen, enum SortType method)
{
  snprintf(buf, buflen, "%s%s%s", (method & SORT_REVERSE) ? "reverse-" : "",
           (method & SORT_LAST) ? "last-" : "",
           mutt_map_get_name(method & SORT_MASK, SortMethods));
  return buf;
}
 
struct MenuStatusLineData
{
  struct IndexSharedData *shared; 
  struct Menu *menu;              
};
 
static const char *status_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,
                                     intptr_t data, MuttFormatFlags flags)
{
  char fmt[128], tmp[128];
  bool optional = (flags & MUTT_FORMAT_OPTIONAL);
  struct MenuStatusLineData *msld = (struct MenuStatusLineData *) data;
  struct IndexSharedData *shared = msld->shared;
  struct MailboxView *mv = shared->mailbox_view;
  struct Mailbox *m = shared->mailbox;
  struct Menu *menu = msld->menu;
 
  *buf = '\0';
  switch (op)
  {
    case 'b':
    {
      const int num = mutt_mailbox_check(m, MUTT_MAILBOX_CHECK_NO_FLAGS);
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%sd", prec);
        snprintf(buf, buflen, fmt, num);
      }
      else if (num == 0)
      {
        optional = false;
      }
      break;
    }
 
    case 'd':
    {
      const int num = m ? m->msg_deleted : 0;
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%sd", prec);
        snprintf(buf, buflen, fmt, num);
      }
      else if (num == 0)
      {
        optional = false;
      }
      break;
    }
 
    case 'D':
      // If there's a descriptive name, use it. Otherwise, fall-through
      if (m && m->name)
      {
        mutt_str_copy(tmp, m->name, sizeof(tmp));
        snprintf(fmt, sizeof(fmt), "%%%ss", prec);
        snprintf(buf, buflen, fmt, tmp);
        break;
      }
    /* fallthrough */
    case 'f':
#ifdef USE_COMP_MBOX
      if (m && m->compress_info && (m->realpath[0] != '\0'))
      {
        mutt_str_copy(tmp, m->realpath, sizeof(tmp));
        mutt_pretty_mailbox(tmp, sizeof(tmp));
      }
      else
#endif
          if (m && (m->type == MUTT_NOTMUCH) && m->name)
      {
        mutt_str_copy(tmp, m->name, sizeof(tmp));
      }
      else if (m && !buf_is_empty(&m->pathbuf))
      {
        mutt_str_copy(tmp, mailbox_path(m), sizeof(tmp));
        mutt_pretty_mailbox(tmp, sizeof(tmp));
      }
      else
      {
        mutt_str_copy(tmp, _("(no mailbox)"), sizeof(tmp));
      }
 
      snprintf(fmt, sizeof(fmt), "%%%ss", prec);
      snprintf(buf, buflen, fmt, tmp);
      break;
    case 'F':
    {
      const int num = m ? m->msg_flagged : 0;
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%sd", prec);
        snprintf(buf, buflen, fmt, num);
      }
      else if (num == 0)
      {
        optional = false;
      }
      break;
    }
 
    case 'h':
      snprintf(fmt, sizeof(fmt), "%%%ss", prec);
      snprintf(buf, buflen, fmt, NONULL(ShortHostname));
      break;
 
    case 'l':
    {
      const off_t num = m ? m->size : 0;
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%ss", prec);
        mutt_str_pretty_size(tmp, sizeof(tmp), num);
        snprintf(buf, buflen, fmt, tmp);
      }
      else if (num == 0)
      {
        optional = false;
      }
      break;
    }
 
    case 'L':
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%ss", prec);
        mutt_str_pretty_size(tmp, sizeof(tmp), mv ? mv->vsize : 0);
        snprintf(buf, buflen, fmt, tmp);
      }
      else if (!mview_has_limit(mv))
      {
        optional = false;
      }
      break;
 
    case 'm':
    {
      const int num = m ? m->msg_count : 0;
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%sd", prec);
        snprintf(buf, buflen, fmt, num);
      }
      else if (num == 0)
      {
        optional = false;
      }
      break;
    }
 
    case 'M':
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%sd", prec);
        snprintf(buf, buflen, fmt, m ? m->vcount : 0);
      }
      else if (!mview_has_limit(mv))
      {
        optional = false;
      }
      break;
 
    case 'n':
    {
      const int num = m ? m->msg_new : 0;
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%sd", prec);
        snprintf(buf, buflen, fmt, num);
      }
      else if (num == 0)
      {
        optional = false;
      }
      break;
    }
 
    case 'o':
    {
      const int num = m ? (m->msg_unread - m->msg_new) : 0;
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%sd", prec);
        snprintf(buf, buflen, fmt, num);
      }
      else if (num == 0)
      {
        optional = false;
      }
      break;
    }
 
    case 'p':
    {
      const int count = mutt_num_postponed(m, false);
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%sd", prec);
        snprintf(buf, buflen, fmt, count);
      }
      else if (count == 0)
      {
        optional = false;
      }
      break;
    }
 
    case 'P':
    {
      if (!menu)
        break;
      char *cp = NULL;
      if (menu->top + menu->page_len >= menu->max)
      {
        cp = menu->top ?
                 /* L10N: Status bar message: the end of the list emails is visible in the index */
                 _("end") :
                 /* L10N: Status bar message: all the emails are visible in the index */
                 _("all");
      }
      else
      {
        int count = (100 * (menu->top + menu->page_len)) / menu->max;
        /* L10N: Status bar, percentage of way through index.
           `%d` is the number, `%%` is the percent symbol.
           They may be reordered, or space inserted, if you wish. */
        snprintf(tmp, sizeof(tmp), _("%d%%"), count);
        cp = tmp;
      }
      snprintf(fmt, sizeof(fmt), "%%%ss", prec);
      snprintf(buf, buflen, fmt, cp);
      break;
    }
 
    case 'r':
    {
      size_t i = 0;
 
      if (m)
      {
        i = shared->attach_msg ? 3 :
                                 ((m->readonly || m->dontwrite) ? 2 :
                                  (m->changed ||
                                   /* deleted doesn't necessarily mean changed in IMAP */
                                   (m->type != MUTT_IMAP && m->msg_deleted)) ?
                                                                  1 :
                                                                  0);
      }
 
      const struct MbTable *c_status_chars = cs_subset_mbtable(NeoMutt->sub, "status_chars");
      if (!c_status_chars || !c_status_chars->len)
        buf[0] = '\0';
      else if (i >= c_status_chars->len)
        snprintf(buf, buflen, "%s", c_status_chars->chars[0]);
      else
        snprintf(buf, buflen, "%s", c_status_chars->chars[i]);
      break;
    }
 
    case 'R':
    {
      const int read = m ? (m->msg_count - m->msg_unread) : 0;
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%sd", prec);
        snprintf(buf, buflen, fmt, read);
      }
      else if (read == 0)
      {
        optional = false;
      }
      break;
    }
 
    case 's':
    {
      snprintf(fmt, sizeof(fmt), "%%%ss", prec);
      const enum SortType c_sort = cs_subset_sort(NeoMutt->sub, "sort");
      snprintf(buf, buflen, fmt, get_sort_str(tmp, sizeof(tmp), c_sort));
      break;
    }
 
    case 'S':
    {
      snprintf(fmt, sizeof(fmt), "%%%ss", prec);
      const enum SortType c_sort_aux = cs_subset_sort(NeoMutt->sub, "sort_aux");
      snprintf(buf, buflen, fmt, get_sort_str(tmp, sizeof(tmp), c_sort_aux));
      break;
    }
 
    case 't':
    {
      const int num = m ? m->msg_tagged : 0;
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%sd", prec);
        snprintf(buf, buflen, fmt, num);
      }
      else if (num == 0)
      {
        optional = false;
      }
      break;
    }
 
    case 'T':
    {
      const enum UseThreads c_use_threads = mutt_thread_style();
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%ss", prec);
        snprintf(buf, buflen, fmt, get_use_threads_str(c_use_threads));
      }
      else if (c_use_threads == UT_FLAT)
      {
        optional = false;
      }
      break;
    }
 
    case 'u':
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%sd", prec);
        snprintf(buf, buflen, fmt, m ? m->msg_unread : 0);
      }
      else if (!m || (m->msg_unread == 0))
      {
        optional = false;
      }
      break;
 
    case 'v':
      snprintf(buf, buflen, "%s", mutt_make_version());
      break;
 
    case 'V':
      if (!optional)
      {
        snprintf(fmt, sizeof(fmt), "%%%ss", prec);
        snprintf(buf, buflen, fmt, mview_has_limit(mv) ? mv->pattern : "");
      }
      else if (!mview_has_limit(mv))
      {
        optional = false;
      }
      break;
 
    case 0:
      *buf = '\0';
      return src;
 
    default:
      snprintf(buf, buflen, "%%%s%c", prec, op);
      break;
  }
 
  if (optional)
  {
    mutt_expando_format(buf, buflen, col, cols, if_str, status_format_str, data,
                        MUTT_FORMAT_NO_FLAGS);
  }
  else if (flags & MUTT_FORMAT_OPTIONAL)
  {
    mutt_expando_format(buf, buflen, col, cols, else_str, status_format_str,
                        data, MUTT_FORMAT_NO_FLAGS);
  }
 
  /* We return the format string, unchanged */
  return src;
}
 
void menu_status_line(char *buf, size_t buflen, struct IndexSharedData *shared,
                      struct Menu *menu, int cols, const char *fmt)
{
  struct MenuStatusLineData data = { shared, menu };
 
  mutt_expando_format(buf, buflen, 0, cols, fmt, status_format_str,
                      (intptr_t) &data, MUTT_FORMAT_NO_FLAGS);
}