calcurse-edge/src/notify.c

/*
 * Calcurse - text-based organizer
 *
 * Copyright (c) 2004-2012 calcurse Development Team <misc@calcurse.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the
 *        following disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the
 *        following disclaimer in the documentation and/or other
 *        materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Send your feedback or comments to : misc@calcurse.org
 * Calcurse home page : http://calcurse.org
 *
 */

#include <time.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "calcurse.h"

#define NOTIFY_FIELD_LENGTH	25

struct notify_vars {
  WINDOW *win;
  char *apts_file;
  char time[NOTIFY_FIELD_LENGTH];
  char date[NOTIFY_FIELD_LENGTH];
  pthread_mutex_t mutex;
};

static struct notify_vars notify;
static struct notify_app notify_app;
static pthread_attr_t detached_thread_attr;
static pthread_t notify_t_main;

/*
 * Return the number of seconds before next appointment
 * (0 if no upcoming appointment).
 */
int notify_time_left(void)
{
  time_t ntimer;
  int left;

  ntimer = time(NULL);
  left = notify_app.time - ntimer;

  return left > 0 ? left : 0;
}

/*
 * Return 1 if the reminder was not sent already for the upcoming
 * appointment.
 */
unsigned notify_needs_reminder(void)
{
  if (notify_app.got_app
      && (((notify_app.state & APOINT_NOTIFY) && !nbar.notify_all) ||
          (!(notify_app.state & APOINT_NOTIFY) && nbar.notify_all))
      && !(notify_app.state & APOINT_NOTIFIED))
    return 1;
  return 0;
}

/*
 * This is used to update the notify_app structure.
 * Note: the mutex associated with this structure must be locked by the
 * caller!
 */
void notify_update_app(long start, char state, char *msg)
{
  notify_free_app();
  notify_app.got_app = 1;
  notify_app.time = start;
  notify_app.state = state;
  notify_app.txt = mem_strdup(msg);
}

/* Return 1 if we need to display the notify-bar, else 0. */
int notify_bar(void)
{
  int display_bar = 0;

  pthread_mutex_lock(&nbar.mutex);
  display_bar = (nbar.show) ? 1 : 0;
  pthread_mutex_unlock(&nbar.mutex);

  return display_bar;
}

/* Initialize the nbar variable used to store notification options. */
void notify_init_vars(void)
{
  const char *time_format = "%T";
  const char *date_format = "%a %F";
  const char *cmd = "printf '\\a'";

  pthread_mutex_init(&nbar.mutex, NULL);
  nbar.show = 1;
  nbar.cntdwn = 300;
  strncpy(nbar.datefmt, date_format, strlen(date_format) + 1);
  strncpy(nbar.timefmt, time_format, strlen(time_format) + 1);
  strncpy(nbar.cmd, cmd, strlen(cmd) + 1);

  if ((nbar.shell = getenv("SHELL")) == NULL)
    nbar.shell = "/bin/sh";

  nbar.notify_all = 0;

  pthread_attr_init(&detached_thread_attr);
  pthread_attr_setdetachstate(&detached_thread_attr, PTHREAD_CREATE_DETACHED);
}

/* Extract the appointment file name from the complete file path. */
static void extract_aptsfile(void)
{
  char *file;

  file = strrchr(path_apts, '/');
  if (!file)
    notify.apts_file = path_apts;
  else {
    notify.apts_file = file;
    notify.apts_file++;
  }
}

/*
 * Create the notification bar, by initializing all the variables and
 * creating the notification window (l is the number of lines, c the
 * number of columns, y and x are its coordinates).
 */
void notify_init_bar(void)
{
  pthread_mutex_init(&notify.mutex, NULL);
  pthread_mutex_init(&notify_app.mutex, NULL);
  notify_app.got_app = 0;
  notify_app.txt = 0;
  notify.win = newwin(win[NOT].h, win[NOT].w, win[NOT].y, win[NOT].x);
  extract_aptsfile();
}

/*
 * Free memory associated with the notify_app structure.
 */
void notify_free_app(void)
{
  notify_app.time = 0;
  notify_app.got_app = 0;
  notify_app.state = APOINT_NULL;
  if (notify_app.txt)
    mem_free(notify_app.txt);
  notify_app.txt = 0;
}

/* Stop the notify-bar main thread. */
void notify_stop_main_thread(void)
{
  if (notify_t_main) {
    pthread_cancel(notify_t_main);
    pthread_join(notify_t_main, NULL);
  }
}

/*
 * The calcurse window geometry has changed so we need to reset the
 * notification window.
 */
void notify_reinit_bar(void)
{
  delwin(notify.win);
  notify.win = newwin(win[NOT].h, win[NOT].w, win[NOT].y, win[NOT].x);
}

/* Launch user defined command as a notification. */
unsigned notify_launch_cmd(void)
{
  int pid;

  if (notify_app.state & APOINT_NOTIFIED)
    return 1;

  notify_app.state |= APOINT_NOTIFIED;

  pid = fork();

  if (pid < 0) {
    ERROR_MSG(_("error while launching command: could not fork"));
    return 0;
  } else if (pid == 0) {
    /* Child: launch user defined command */
    if (execlp(nbar.shell, nbar.shell, "-c", nbar.cmd, NULL) < 0) {
      ERROR_MSG(_("error while launching command"));
      _exit(1);
    }
    _exit(0);
  }

  return 1;
}

/*
 * Update the notification bar. This is useful when changing color theme
 * for example.
 */
void notify_update_bar(void)
{
  const int space = 3;
  int file_pos, date_pos, app_pos, txt_max_len, too_long = 0;
  int time_left, blinking;
  char buf[BUFSIZ];

  date_pos = space;
  pthread_mutex_lock(&notify.mutex);

  file_pos = strlen(notify.date) + strlen(notify.time) + 7 + 2 * space;
  app_pos = file_pos + strlen(notify.apts_file) + 2 + space;
  txt_max_len = col - (app_pos + 12 + space);

  custom_apply_attr(notify.win, ATTR_HIGHEST);
  wattron(notify.win, A_UNDERLINE | A_REVERSE);
  mvwhline(notify.win, 0, 0, ACS_HLINE, col);
  mvwprintw(notify.win, 0, date_pos, "[ %s | %s ]", notify.date, notify.time);
  mvwprintw(notify.win, 0, file_pos, "(%s)", notify.apts_file);

  pthread_mutex_lock(&notify_app.mutex);
  if (notify_app.got_app) {
    if (strlen(notify_app.txt) > txt_max_len) {
      int shrink_len;

      too_long = 1;
      shrink_len = txt_max_len > 3 ? txt_max_len - 3 : 1;
      strncpy(buf, notify_app.txt, shrink_len);
      buf[shrink_len] = '\0';
    }
    time_left = notify_time_left();
    if (time_left > 0) {
      int hours_left, minutes_left;

      hours_left = (time_left / HOURINSEC);
      minutes_left = (time_left - hours_left * HOURINSEC) / MININSEC;
      pthread_mutex_lock(&nbar.mutex);

      if (time_left < nbar.cntdwn &&
          (((notify_app.state & APOINT_NOTIFY) && !nbar.notify_all) ||
           (!(notify_app.state & APOINT_NOTIFY) && nbar.notify_all)))
        blinking = 1;
      else
        blinking = 0;

      if (blinking)
        wattron(notify.win, A_BLINK);
      if (too_long)
        mvwprintw(notify.win, 0, app_pos, "> %02d:%02d :: %s.. <",
                  hours_left, minutes_left, buf);
      else
        mvwprintw(notify.win, 0, app_pos, "> %02d:%02d :: %s <",
                  hours_left, minutes_left, notify_app.txt);
      if (blinking)
        wattroff(notify.win, A_BLINK);

      if (blinking)
        notify_launch_cmd();
      pthread_mutex_unlock(&nbar.mutex);
    } else {
      notify_app.got_app = 0;
      pthread_mutex_unlock(&notify_app.mutex);
      pthread_mutex_unlock(&notify.mutex);
      notify_check_next_app(0);
      return;
    }
  }
  pthread_mutex_unlock(&notify_app.mutex);

  wattroff(notify.win, A_UNDERLINE | A_REVERSE);
  custom_remove_attr(notify.win, ATTR_HIGHEST);
  wins_wrefresh(notify.win);

  pthread_mutex_unlock(&notify.mutex);
}

/* Update the notication bar content */
/* ARGSUSED0 */
static void *notify_main_thread(void *arg)
{
  const unsigned thread_sleep = 1;
  const unsigned check_app = MININSEC;
  int elapse = 0;
  int got_app;
  struct tm *ntime;
  time_t ntimer;

  elapse = 0;

  for (;;) {
    ntimer = time(NULL);
    ntime = localtime(&ntimer);
    pthread_mutex_lock(&notify.mutex);
    pthread_mutex_lock(&nbar.mutex);
    strftime(notify.time, NOTIFY_FIELD_LENGTH, nbar.timefmt, ntime);
    strftime(notify.date, NOTIFY_FIELD_LENGTH, nbar.datefmt, ntime);
    pthread_mutex_unlock(&nbar.mutex);
    pthread_mutex_unlock(&notify.mutex);
    notify_update_bar();
    psleep(thread_sleep);
    elapse += thread_sleep;
    if (elapse >= check_app) {
      elapse = 0;
      pthread_mutex_lock(&notify_app.mutex);
      got_app = notify_app.got_app;
      pthread_mutex_unlock(&notify_app.mutex);
      if (!got_app)
        notify_check_next_app(0);
    }
  }
  pthread_exit(NULL);
}

/* Fill the given structure with information about next appointment. */
unsigned notify_get_next(struct notify_app *a)
{
  time_t current_time;

  if (!a)
    return 0;

  current_time = time(NULL);

  a->time = current_time + DAYINSEC;
  a->got_app = 0;
  a->state = 0;
  a->txt = NULL;
  recur_apoint_check_next(a, current_time, get_today());
  apoint_check_next(a, current_time);

  return 1;
}

/*
 * This is used for the daemon to check if we have an upcoming appointment or
 * not.
 */
unsigned notify_get_next_bkgd(void)
{
  struct notify_app a;

  a.txt = NULL;
  if (!notify_get_next(&a))
    return 0;

  if (!a.got_app) {
    /* No next appointment, reset the previous notified one. */
    notify_app.got_app = 0;
    return 1;
  } else {
    if (!notify_same_item(a.time))
      notify_update_app(a.time, a.state, a.txt);
  }

  if (a.txt)
    mem_free(a.txt);

  return 1;
}

/* Return the description of next appointment to be notified. */
char *notify_app_txt(void)
{
  if (notify_app.got_app)
    return notify_app.txt;
  else
    return NULL;
}

/* Look for the next appointment within the next 24 hours. */
/* ARGSUSED0 */
static void *notify_thread_app(void *arg)
{
  struct notify_app tmp_app;
  int force = (arg ? 1 : 0);

  if (!notify_get_next(&tmp_app))
    pthread_exit(NULL);

  if (!tmp_app.got_app) {
    pthread_mutex_lock(&notify_app.mutex);
    notify_free_app();
    pthread_mutex_unlock(&notify_app.mutex);
  } else {
    if (force || !notify_same_item(tmp_app.time)) {
      pthread_mutex_lock(&notify_app.mutex);
      notify_update_app(tmp_app.time, tmp_app.state, tmp_app.txt);
      pthread_mutex_unlock(&notify_app.mutex);
    }
  }

  if (tmp_app.txt)
    mem_free(tmp_app.txt);
  notify_update_bar();

  pthread_exit(NULL);
}

/* Launch the thread notify_thread_app to look for next appointment. */
void notify_check_next_app(int force)
{
  pthread_t notify_t_app;
  void *arg = (force ? (void *)1 : NULL);

  pthread_create(&notify_t_app, &detached_thread_attr, notify_thread_app, arg);
  return;
}

/* Check if the newly created appointment is to be notified. */
void notify_check_added(char *mesg, long start, char state)
{
  time_t current_time;
  int update_notify = 0;
  long gap;

  current_time = time(NULL);
  pthread_mutex_lock(&notify_app.mutex);
  if (!notify_app.got_app) {
    gap = start - current_time;
    if (gap >= 0 && gap <= DAYINSEC)
      update_notify = 1;
  } else if (start < notify_app.time && start >= current_time) {
    update_notify = 1;
  } else if (start == notify_app.time && state != notify_app.state)
    update_notify = 1;

  if (update_notify) {
    notify_update_app(start, state, mesg);
  }
  pthread_mutex_unlock(&notify_app.mutex);
  notify_update_bar();
}

/* Check if the newly repeated appointment is to be notified. */
void notify_check_repeated(struct recur_apoint *i)
{
  unsigned real_app_time;
  int update_notify = 0;
  time_t current_time;

  current_time = time(NULL);
  pthread_mutex_lock(&notify_app.mutex);
  if (recur_item_find_occurrence(i->start, i->dur, &i->exc, i->rpt->type,
                                 i->rpt->freq, i->rpt->until, get_today(),
                                 &real_app_time)) {
    if (!notify_app.got_app) {
      if (real_app_time - current_time <= DAYINSEC)
        update_notify = 1;
    } else if (real_app_time < notify_app.time && real_app_time >= current_time) {
      update_notify = 1;
    } else if (real_app_time == notify_app.time && i->state != notify_app.state)
      update_notify = 1;
  }
  if (update_notify) {
    notify_update_app(real_app_time, i->state, i->mesg);
  }
  pthread_mutex_unlock(&notify_app.mutex);
  notify_update_bar();
}

int notify_same_item(long time)
{
  int same = 0;

  pthread_mutex_lock(&(notify_app.mutex));
  if (notify_app.got_app && notify_app.time == time)
    same = 1;
  pthread_mutex_unlock(&(notify_app.mutex));

  return same;
}

int notify_same_recur_item(struct recur_apoint *i)
{
  int same = 0;
  unsigned item_start = 0;

  recur_item_find_occurrence(i->start, i->dur, &i->exc, i->rpt->type,
                             i->rpt->freq, i->rpt->until, get_today(),
                             &item_start);
  pthread_mutex_lock(&notify_app.mutex);
  if (notify_app.got_app && item_start == notify_app.time)
    same = 1;
  pthread_mutex_unlock(&(notify_app.mutex));

  return same;
}

/* Launch the notify-bar main thread. */
void notify_start_main_thread(void)
{
  pthread_create(&notify_t_main, NULL, notify_main_thread, NULL);
  notify_check_next_app(0);
}

/*
 * Print an option in the configuration menu.
 * Specific treatment is needed depending on if the option is of type boolean
 * (either YES or NO), or an option holding a string value.
 */
static void
print_option(WINDOW * win, unsigned x, unsigned y, char *name,
             char *valstr, unsigned valbool, char *desc, unsigned num)
{
  const int XOFF = 4;
  const int MAXCOL = col - 3;
  int x_opt, len;

  x_opt = x + XOFF + strlen(name);
  mvwprintw(win, y, x, "[%u] %s", num, name);
  erase_window_part(win, x_opt, y, MAXCOL, y);
  if ((len = strlen(valstr)) != 0) {
    unsigned maxlen;

    maxlen = MAXCOL - x_opt - 2;
    custom_apply_attr(win, ATTR_HIGHEST);
    if (len < maxlen)
      mvwaddstr(win, y, x_opt, valstr);
    else {
      char buf[BUFSIZ];

      strncpy(buf, valstr, maxlen - 1);
      buf[maxlen - 1] = '\0';
      mvwprintw(win, y, x_opt, "%s...", buf);
    }
    custom_remove_attr(win, ATTR_HIGHEST);
  } else
    print_bool_option_incolor(win, valbool, y, x_opt);
  mvwaddstr(win, y + 1, x, desc);
}

/* Print options related to the notify-bar. */
static unsigned print_config_options(WINDOW * optwin)
{
  const int XORIG = 3;
  const int YORIG = 0;
  const int YOFF = 3;

  enum { SHOW, DATE, CLOCK, WARN, CMD, NOTIFY_ALL, DMON, DMON_LOG, NB_OPT };

  struct opt_s {
    char *name;
    char *desc;
    char valstr[BUFSIZ];
    unsigned valnum;
  } opt[NB_OPT];

  int i;

  opt[SHOW].name = "appearance.notifybar = ";
  opt[SHOW].desc = _("(if set to YES, notify-bar will be displayed)");

  opt[DATE].name = "format.notifydate = ";
  opt[DATE].desc = _("(Format of the date to be displayed inside notify-bar)");

  opt[CLOCK].name = "format.notifytime = ";
  opt[CLOCK].desc = _("(Format of the time to be displayed inside notify-bar)");

  opt[WARN].name = "notification.warning = ";
  opt[WARN].desc = _("(Warn user if an appointment is within next "
                     "'notify-bar_warning' seconds)");

  opt[CMD].name = "notification.command = ";
  opt[CMD].desc = _("(Command used to notify user of an upcoming appointment)");

  opt[NOTIFY_ALL].name = "notification.notifyall = ";
  opt[NOTIFY_ALL].desc =
      _("(Notify all appointments instead of flagged ones only)");

  opt[DMON].name = "daemon.enable = ";
  opt[DMON].desc = _("(Run in background to get notifications after exiting)");

  opt[DMON_LOG].name = "daemon.log = ";
  opt[DMON_LOG].desc = _("(Log activity when running in background)");

  pthread_mutex_lock(&nbar.mutex);

  /* String value options */
  strncpy(opt[DATE].valstr, nbar.datefmt, BUFSIZ);
  strncpy(opt[CLOCK].valstr, nbar.timefmt, BUFSIZ);
  snprintf(opt[WARN].valstr, BUFSIZ, "%d", nbar.cntdwn);
  strncpy(opt[CMD].valstr, nbar.cmd, BUFSIZ);

  /* Boolean options */
  opt[SHOW].valnum = nbar.show;
  opt[NOTIFY_ALL].valnum = nbar.notify_all;
  pthread_mutex_unlock(&nbar.mutex);

  opt[DMON].valnum = dmon.enable;
  opt[DMON_LOG].valnum = dmon.log;

  opt[SHOW].valstr[0] = opt[NOTIFY_ALL].valstr[0] = opt[DMON].valstr[0] =
      opt[DMON_LOG].valstr[0] = '\0';

  for (i = 0; i < NB_OPT; i++) {
    int y;

    y = YORIG + i * YOFF;
    print_option(optwin, XORIG, y, opt[i].name, opt[i].valstr,
                 opt[i].valnum, opt[i].desc, i + 1);
  }

  return YORIG + NB_OPT * YOFF;
}

static void reinit_conf_win(struct scrollwin *win)
{
  unsigned first_line;

  first_line = win->first_visible_line;
  wins_scrollwin_delete(win);
  custom_set_swsiz(win);
  wins_scrollwin_init(win);
  wins_show(win->win.p, win->label);
  win->first_visible_line = first_line;
}

/* Notify-bar configuration. */
void notify_config_bar(void)
{
  struct scrollwin cwin;
  char *buf;
  const char *number_str = _("Enter an option number to change its value");
  const char *keys = _("(Press '^P' or '^N' to move up or down, 'Q' to quit)");
  const char *date_str =
      _("Enter the date format (see 'man 3 strftime' for possible formats) ");
  const char *time_str =
      _("Enter the time format (see 'man 3 strftime' for possible formats) ");
  const char *count_str =
      _
      ("Enter the number of seconds (0 not to be warned before an appointment)");
  const char *cmd_str = _("Enter the notification command ");
  int ch;

  clear();
  custom_set_swsiz(&cwin);
  cwin.label = _("notification options");
  wins_scrollwin_init(&cwin);
  wins_show(cwin.win.p, cwin.label);
  status_mesg(number_str, keys);
  cwin.total_lines = print_config_options(cwin.pad.p);
  wins_scrollwin_display(&cwin);

  buf = mem_malloc(BUFSIZ);
  while ((ch = wgetch(win[STA].p)) != 'q') {
    buf[0] = '\0';

    switch (ch) {
    case CTRL('N'):
      wins_scrollwin_down(&cwin, 1);
      break;
    case CTRL('P'):
      wins_scrollwin_up(&cwin, 1);
      break;
    case '1':
      pthread_mutex_lock(&nbar.mutex);
      nbar.show = !nbar.show;
      pthread_mutex_unlock(&nbar.mutex);
      if (notify_bar())
        notify_start_main_thread();
      else
        notify_stop_main_thread();
      wins_scrollwin_delete(&cwin);
      reinit_conf_win(&cwin);
      break;
    case '2':
      status_mesg(date_str, "");
      pthread_mutex_lock(&nbar.mutex);
      strncpy(buf, nbar.datefmt, strlen(nbar.datefmt) + 1);
      pthread_mutex_unlock(&nbar.mutex);
      if (updatestring(win[STA].p, &buf, 0, 1) == 0) {
        pthread_mutex_lock(&nbar.mutex);
        strncpy(nbar.datefmt, buf, strlen(buf) + 1);
        pthread_mutex_unlock(&nbar.mutex);
      }
      break;
    case '3':
      status_mesg(time_str, "");
      pthread_mutex_lock(&nbar.mutex);
      strncpy(buf, nbar.timefmt, strlen(nbar.timefmt) + 1);
      pthread_mutex_unlock(&nbar.mutex);
      if (updatestring(win[STA].p, &buf, 0, 1) == 0) {
        pthread_mutex_lock(&nbar.mutex);
        strncpy(nbar.timefmt, buf, strlen(buf) + 1);
        pthread_mutex_unlock(&nbar.mutex);
      }
      break;
    case '4':
      status_mesg(count_str, "");
      pthread_mutex_lock(&nbar.mutex);
      snprintf(buf, BUFSIZ, "%d", nbar.cntdwn);
      pthread_mutex_unlock(&nbar.mutex);
      if (updatestring(win[STA].p, &buf, 0, 1) == 0 &&
          is_all_digit(buf) && atoi(buf) >= 0 && atoi(buf) <= DAYINSEC) {
        pthread_mutex_lock(&nbar.mutex);
        nbar.cntdwn = atoi(buf);
        pthread_mutex_unlock(&nbar.mutex);
      }
      break;
    case '5':
      status_mesg(cmd_str, "");
      pthread_mutex_lock(&nbar.mutex);
      strncpy(buf, nbar.cmd, strlen(nbar.cmd) + 1);
      pthread_mutex_unlock(&nbar.mutex);
      if (updatestring(win[STA].p, &buf, 0, 1) == 0) {
        pthread_mutex_lock(&nbar.mutex);
        strncpy(nbar.cmd, buf, strlen(buf) + 1);
        pthread_mutex_unlock(&nbar.mutex);
      }
      break;
    case '6':
      pthread_mutex_lock(&nbar.mutex);
      nbar.notify_all = !nbar.notify_all;
      pthread_mutex_unlock(&nbar.mutex);
      notify_check_next_app(1);
      break;
    case '7':
      dmon.enable = !dmon.enable;
      break;
    case '8':
      dmon.log = !dmon.log;
      break;
    }

    if (resize) {
      resize = 0;
      wins_get_config();
      wins_reset();
      reinit_conf_win(&cwin);
      delwin(win[STA].p);
      win[STA].p = newwin(win[STA].h, win[STA].w, win[STA].y, win[STA].x);
      keypad(win[STA].p, TRUE);
      if (notify_bar()) {
        notify_reinit_bar();
        notify_update_bar();
      }
      clearok(curscr, TRUE);
    }

    status_mesg(number_str, keys);
    cwin.total_lines = print_config_options(cwin.pad.p);
    wins_scrollwin_display(&cwin);
  }
  mem_free(buf);
  wins_scrollwin_delete(&cwin);
}