dial.c

minicom的源码,linux下常用的串口程序.

  {
    /* TRANSLATORS: Translation of each of these menu items should not be
     * longer than 7 characters. The upper-case letter is a shortcut,
     * so keep them unique and ASCII; 'h', 'j', 'k', 'l' are reserved */
    N_("Dial"), N_("Find"), N_("Add"), N_("Edit"), N_("Remove"), N_("moVe"),
    N_("Manual")
  };
/* Offsets of what[] entries from position_dialing_directory */
#define DIALOPTS (sizeof(what) / sizeof(*what))
#define DIAL_WIDTH 8 /* Width of one entry */
static size_t what_lens[DIALOPTS]; /* Number of bytes for <= 7 characters */
/* Number of ' ' padding entries at left and right, left is >= 1 */
static int what_padding[DIALOPTS][2];

static int dprev;

/* Draw an entry in the horizontal menu */
static void horiz_draw(size_t k)
{
  static const char spaces[] = "        ";

  wprintf(dsub, "%.*s", what_padding[k][0], spaces);
  wprintf(dsub, "%.*s", what_lens[k], _(what[k]));
  wprintf(dsub, "%.*s", what_padding[k][1], spaces);
}

/*
 * Highlight a choice in the horizontal menu.
 */
static void dhili(int position_dialing_directory, int k)
{
  if (k == dprev)
    return;

  if (dprev >= 0) {
    wlocate(dsub, position_dialing_directory + DIAL_WIDTH * dprev, 0);
    if (!useattr) {
      wputs(dsub, " ");
    } else {
      wsetattr(dsub, XA_REVERSE | stdattr);
      horiz_draw(dprev);
    }
  }
  dprev = k;
  wlocate(dsub, position_dialing_directory + DIAL_WIDTH * k, 0);
  if (!useattr) {
    wputs(dsub, ">");
  } else {
    wsetattr(dsub, stdattr);
    horiz_draw(k);
  }
}

static const char *fmt = "\r %2d %c%-16.16s%-16.16s%8.8s %5.5s %4d %-15.15s\n";

/*
 * Print the dialing directory. Only draw from "cur" to bottom.
 */
static void prdir(WIN *dialw, int top, int cur)
{
  int f, start;
  struct dialent *d;

  start = cur - top;
  dirflush = 0;
  wlocate(dialw, 0, start + 1);
  for (f = start; f < dialw->ys - 2; f++) {
    d = getno(f + top);
    if (d == (struct dialent *)0)
      break;
    wprintf(dialw, fmt, f+1+top, (d->flags & FL_TAG) ? '>' : ' ',
            d->name, d->number, d->lastdate, d->lasttime, 
            d->count, d->script);
  }
  dirflush = 1;
  wflush();
}

/*
 * Move an entry forward/back in the dial directory. jl 1.9.1999
 */
int move_entry(WIN *dialw, struct dialent *d, int cur, int *top)
{
  int ocur = cur,
      quit = 0,
      c = 0;
  struct dialent *dtmp;

  while (!quit) {
    switch (c = wxgetch()) {
      case K_DN:
      case 'j':
        if (!(d->next))
          break;
        if (cur == 0) {   /* special case: move d from start to 2nd */
          dtmp = d->next;
          d->next = dtmp->next;
          dtmp->next = d;
          dialents = dtmp;
        } else {	    /* swap d with the next one in the list */
          dtmp = getno(cur - 1);
          dtmp->next = d->next;
          d->next = d->next->next;
          dtmp->next->next = d;
        }
        cur++;
        break;
      case K_UP:
      case 'k':
        if (cur == 0)
          break;
        if (cur == 1) { /* special case: move d to start of list */
          dtmp = dialents;
          dtmp->next = d-> next;
          d->next = dtmp;
          dialents = d;
        } else {	  /* swap d with the previous one in the list */
          dtmp = getno(cur - 2);
          dtmp->next->next = d-> next;
          d->next = dtmp->next;
          dtmp->next = d;
        }
        cur--;
        break;
      case '\033':
      case '\r':
      case '\n':
        quit = 1;
        break;
      default:
        break;
    } /* end switch */

    /* If the list order changed, redraw the directory window */
    if (cur != ocur) {
      /* First remove cursor bar from the old position */
      wcurbar(dialw, ocur + 1 - *top, XA_NORMAL | stdattr);
      if (cur < *top)
        (*top)--;
      else if (cur - *top > dialw->ys - 3)
        (*top)++;
      prdir(dialw, *top, *top);
      wcurbar(dialw, cur + 1 - *top, XA_REVERSE | stdattr);
      ocur = cur;
    } /* end redraw condition */
  }   /* end loop   */

  return cur;
}

/* Little menu. */
static const char *d_yesno[] = { N_("   Yes  "), N_("   No   "), NULL };

/* Try to dial an entry. */
static void dial_entry(struct dialent *d)
{
  long nb;
  struct dialent *d2;

  /* Change settings for this entry. */
  if (atoi(d->baud) != 0) {
    strcpy(P_BAUDRATE, d->baud);
    strcpy(P_PARITY, d->parity);
    strcpy(P_BITS, d->bits);
    strcpy(P_STOPB, d->stopb);
    port_init();
    mode_status();
  }
  newtype = d->term;
  vt_set(-1, d->flags & FL_WRAP, NULL, -1, -1, d->flags & FL_ECHO, -1, -1);
  local_echo = d->flags & FL_ECHO;
  if (newtype != terminal)
    init_emul(newtype, 1);

  /* Set backspace key. */
  keyboard(KSETBS, d->flags & FL_DEL ? 127 : 8);
  strcpy(P_BACKSPACE, d->flags & FL_DEL ? "DEL" : "BS");

  /* Now that everything has been set, dial. */
  if ((nb = dial(d, &d2)) < 0)
    return;
  
  if (d2 != (struct dialent *)NULL)
    d = d2;	/* jl 22.09.97 */

  /* Did we detect a baudrate , and can we set it? */
  if (P_MAUTOBAUD[0] == 'Y' && nb) {
    sprintf(P_BAUDRATE, "%ld", nb);
    port_init();
    mode_status();
  } else if (P_SHOWSPD[0] == 'l')
    mode_status();

  /* Make sure the last date is updated   / jl 22.06.97 */
  writedialdir();

  /* Run script if needed. */
  if (d->script[0])
    runscript(0, d->script, d->username, d->password);

  /* Remember _what_ we dialed.. */
  dial_name = d->name;
  dial_number = d->number;
  dial_user = d->username;
  dial_pass = d->password;

  return;
}

/*
 * Dial an entry from the dialing directory; this
 * is used for the "-d" command line flag.
 * Now you can tag multiple entries with the -d option / jl 3.5.1999
 */
void dialone(char *entry)
{
  int num;
  struct dialent *d;
  struct dialent *d1 = (struct dialent *)NULL;
  char *s;
  char buf[128];

  s = strtok(entry,",;");
  while (s) {
    /* Find entry. */
    if ((num = atoi(s)) != 0) {
      if ((d = getno(num - 1))) {
        d->flags |= FL_TAG;
        if (d1 == (struct dialent *)NULL)
          d1 = d;
      }
    } else {
      for (d = dialents; d; d = d->next)
        if (strstr(d->name, s)) {
          d->flags |= FL_TAG;
          if (d1 == (struct dialent *)NULL)
            d1 = d;
        }
    }
    s = strtok(NULL,",;");
  }

  /* Not found. */
  if (d1 == NULL) {
    snprintf(buf, sizeof(buf), _("Entry \"%s\" not found. Enter dialdir?"), entry);
    if (ask(buf, d_yesno) != 0)
      return;
    dialdir();
    return;
  }
  /* Dial the number! */
  sleep(1);
  dial_entry(d1);
}

/*
 * Draw the dialing directory.
 */
void dialdir(void)
{
  WIN *w;
  struct dialent *d = NULL, *d1, *d2;
  static int cur = 0;
  static int ocur = 0;
  int subm = 0;
  int quit = 0;
  static int top = 0;
  int c = 0;
  int pgud = 0;
  int first = 1;
  int x1, x2;
  char *s, dname[128];
  static char manual[128];
  int changed = 0;
  static const char *tag_exit  = N_("( Escape to exit, Space to tag )"),
                    *move_exit = N_(" Move entry up/down, Escape to exit");
  unsigned int tagmvlen = 0;
  size_t i;
  int position_dialing_directory = ((COLS / 2) + 32 - DIALOPTS * DIAL_WIDTH) / 2;

  dprev = -1;
  dname[0] = 0;
  tagmvlen = strlen(_(move_exit));
  if (strlen(_(tag_exit)) > tagmvlen)
    tagmvlen = strlen(_(tag_exit));

  /* Allright, draw the dialing directory! */

  dirflush = 0;
  x1 = (COLS / 2) - 37;
  x2 = (COLS / 2) + 37;
  dsub = wopen(x1 - 1, LINES - 3, x2 + 1, LINES - 3, BNONE,
               XA_REVERSE | stdattr, mfcolor, mbcolor, 0, 0, 1);
  w = wopen(x1, 2, x2, LINES - 6, BSINGLE, stdattr, mfcolor, mbcolor, 0, 0, 1);
  wcursor(w, CNONE);
  wtitle(w, TMID, _("Dialing Directory"));
  wputs(w,
        _("     Name            Number            Last on      Times Script\n"));
  for (i = 0; i < DIALOPTS; i++) {
    const char *str, *c;
    size_t j;

    str = _(what[i]);
    c = str;
    for (j = 0; j < DIAL_WIDTH - 1 && *c != 0; j++) {
      wchar_t wc;
      c += one_mbtowc(&wc, c, MB_LEN_MAX);
    }
    what_lens[i] = c - str;
    j = DIAL_WIDTH - j; /* Characters left for padding */
    what_padding[i][1] = j / 2; /* Rounding down */
    what_padding[i][0] = j - what_padding[i][1]; /* >= 1 */
  }
  wlocate(dsub, position_dialing_directory, 0);
  for (i = 0; i < DIALOPTS; i++)
    horiz_draw(i);

  wsetregion(w, 1, w->ys - 1);
  w->doscroll = 0;

  prdir(w, top, top);
  wlocate(w, position_dialing_directory, w->ys - 1);
  wprintf(w, "%*.*s", tagmvlen,tagmvlen, tag_exit);
  dhili(position_dialing_directory, subm);
  dirflush = 1;
  wredraw(dsub, 1);

again:
  wcurbar(w, cur + 1 - top, XA_REVERSE | stdattr);
  if (first) {
    wredraw(w, 1);
    first = 0;
  }
  while(!quit) {
    d = getno(cur);
    switch (c = wxgetch()) {
      case K_UP:
      case 'k':
        cur -= (cur > 0);
        break;
      case K_DN:
      case 'j':
        cur += (cur < nrents - 1);
        break;
      case K_LT:
      case 'h':
        subm--;
        if (subm < 0)
          subm = DIALOPTS - 1;
        break;
      case K_RT:
      case 'l':
        subm = (subm + 1) % DIALOPTS;
        break;
      case K_PGUP:
      case '\002': /* Control-B */
        pgud = 1;
        quit = 1;
        break;
      case K_PGDN:
      case '\006': /* Control-F */
        pgud = 2;
        quit = 1;
        break;
      case ' ':    /* Tag. */
        wlocate(w, 4, cur + 1 - top);
        d->flags ^= FL_TAG;
        wsetattr(w, XA_REVERSE | stdattr);
        wprintf(w, "%c", d->flags & FL_TAG ? '>' : ' ');
        wsetattr(w, XA_NORMAL | stdattr);
        cur += (cur < nrents - 1);
        break;
      case '\033':
      case '\r':
      case '\n':
      selected:
        quit = (subm == 5 ? 2 : 1);
        break;
      default:
	for (i = 0; i < DIALOPTS; i++) {
	  if (strchr(_(what[i]), toupper(c)) != NULL) {
	    subm = i;
	    goto selected;
	  }
	}
        break;
    }
    /* Decide if we have to delete the cursor bar */
    if (cur != ocur || quit == 1)
      wcurbar(w, ocur + 1 - top, XA_NORMAL | stdattr);

    if (cur < top) {
      top--;
      prdir(w, top, top);
    }
    if (cur - top > w->ys - 3) {
      top++;
      prdir(w, top, top);
    }
    if (cur != ocur)
      wcurbar(w, cur + 1 - top, XA_REVERSE | stdattr);
    ocur = cur;
    dhili(position_dialing_directory, subm);
  }
  quit = 0;
  /* ESC means quit */
  if (c == '\033') {
    if (changed)
      writedialdir();
    wclose(w, 1);
    wclose(dsub, 1);
    return;
  }
  /* Page up or down ? */
  if (pgud == 1) { /* Page up */
    ocur = top;
    top -= w->ys - 2;
    if (top < 0)
      top = 0;
    cur = top;
    pgud = 0;
    if (ocur != top)
      prdir(w, top, cur);
    ocur = cur;
    goto again;
  }
  if (pgud == 2) { /* Page down */
    ocur = top;
    if (top < nrents - w->ys + 2) {
      top += w->ys - 2;
      if (top > nrents - w->ys + 2)
        top = nrents - w->ys + 2;
      cur = top;
    } else
      cur = nrents - 1;
    pgud = 0;
    if (ocur != top)
      prdir(w, top, cur);
    ocur = cur;
    goto again;
  }

  /* Dial an entry */
  if (subm == 0) {
    wclose(w, 1);
    wclose(dsub, 1);
    if (changed)
      writedialdir();

    /* See if any entries were tagged. */
    if (!(d->flags & FL_TAG)) {
      /* First check the entries from the highlighted one to end.. */
      for (d1 = d; d1; d1 = d1->next)
        if (d1->flags & FL_TAG) {
          d = d1;
          break;
        }
      /* ..and if none of them was tagged, check from the begining. */
      if (!d1)
        for (d1 = dialents; d1 && d1!=d; d1 = d1->next)
          if (d1->flags & FL_TAG) {
            d = d1;
            break;
          }
      /* If no tags were found, we'll dial the highlighted one */
    }
    dial_entry(d);
    return;
  }
  /* Find an entry */
  if (subm == 1) {
    s = input(_("Find an entry"), dname);
    if (s == NULL || s[0] == 0)
      goto again;
    x1 = 0;
    for (d = dialents; d; d = d->next, x1++)
      if (strstr(d->name, s))
        break;
    if (d == NULL) {
      wbell();
      goto again;
    }
    /* Set current to found entry. */
    ocur = top;
    cur = x1;
    /* Find out if it fits on screen. */
    if (cur < top || cur >= top + w->ys - 2) {
      /* No, try to put it in the middle. */
      top = cur - (w->ys / 2) + 1;
      if (top < 0)
        top = 0;
      if (top > nrents - w->ys + 2)
        top = nrents - w->ys + 2;
    }
    if (ocur != top)
      prdir(w, top, top);
    ocur = cur;
  }

  /* Add / insert an entry */
  if (subm == 2) {
    d1 = mkstdent();
    if (d1 == (struct dialent *)0) {
      wbell();
      goto again;
    }
    changed++;
    cur++;
    ocur = cur;
    d2 = d->next;
    d->next = d1;
    d1->next = d2;

    nrents++;
    if (cur - top > w->ys - 3) {
      top++;
      prdir(w, top, top);
    } else {
      prdir(w, top, cur);
    }
  }

  /* Edit an entry */
  if (subm == 3) {
    dedit(d);
    changed++;
    wlocate(w, 0, cur + 1 - top);
    wprintf(w, fmt, cur+1, (d->flags & FL_TAG) ? 16 : ' ', d->name,
            d->number, d->lastdate, d->lasttime, d->count, d->script);
  }

  /* Delete an entry from the list */
  if (subm == 4 && ask(_("Remove entry?"), d_yesno) == 0) {
    changed++;
    if (nrents == 1) {
      free((char *)d);
      d = dialents = mkstdent();
      prdir(w, top, top);
      goto again;
    }
    if (cur == 0)
      dialents = d->next;
    else
      getno(cur - 1)->next = d->next;
    free((char *)d);
    nrents--;
    if (cur - top == 0 && top == nrents) {
      top--;
      cur--;
      prdir(w, top, top);
    } else {
      if (cur == nrents)
        cur--;
      prdir(w, top, cur);
    }
    if (nrents - top <= w->ys - 3) {
      wlocate(w, 0, nrents - top + 1);
      wclreol(w);
    }
    ocur = cur;
  }

  /* Move the entry up/down in directory. */
  if (subm == 5) {
    wlocate(w, position_dialing_directory, w->ys - 1);
    wprintf(w, "%*.*s", tagmvlen,tagmvlen, move_exit);
    cur = move_entry (w, d, cur, &top);
    if (cur != ocur)
      changed++;
    ocur = cur;
    wlocate(w, position_dialing_directory, w->ys - 1);
    wprintf(w, "%*.*s", tagmvlen,tagmvlen, tag_exit);
  }

  /* Dial a number manually. */
  if (subm == 6) {
    s = input(_("Enter number"), manual);
    if (s && *s) {
      if (changed)
        writedialdir();
      wclose(w, 1);
      wclose(dsub, 1);

      strncpy(d_man->number, manual, sizeof(d_man->number));
      dial(d_man, (struct dialent**)NULL);
      if (P_SHOWSPD[0] == 'l')
        mode_status();
      return;
    }
  }
  goto again;
}