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#undef MAXLINLEN
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#undef MAXLINLEN
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}
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}
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static void ui_refresh(const struct file *db, unsigned char screenw, unsigned char screenh, unsigned char uidirtyfrom, unsigned char uidirtyto) {
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static void ui_refresh(const struct file *db, unsigned char screenw, unsigned char screenh, unsigned char uidirtyfrom, unsigned char uidirtyto) {
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  unsigned char len;
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  unsigned char x;
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  const struct line far *l;
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  const struct line far *l;
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  unsigned char y = db->cursorposy;
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  unsigned char y = db->cursorposy;
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#ifdef DBG_REFRESH
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#ifdef DBG_REFRESH
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  static char m = 'a';
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  static char m = 'a';
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    /* skip lines that do not need to be refreshed */
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    /* skip lines that do not need to be refreshed */
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    if (y < uidirtyfrom) continue;
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    if (y < uidirtyfrom) continue;
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    if (y > uidirtyto) break;
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    if (y > uidirtyto) break;
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    x = 0;
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    if (db->xoffset < l->len) {
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    if (db->xoffset < l->len) {
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      unsigned char i, limit;
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      for (len = 0; l->payload[len] != 0; len++) mdr_cout_char(y, len, l->payload[len], scheme[COL_TXT]);
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      if (l->len - db->xoffset < screenw) {
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        limit = l->len;
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    } else {
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      } else {
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        limit = db->xoffset + screenw - 1;
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      len = 0;
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      }
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      for (i = db->xoffset; i < limit; i++) mdr_cout_char(y, x++, l->payload[i], scheme[COL_TXT]);
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    }
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    }
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    /* write empty spaces until end of line */
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    while (len < screenw - 1) mdr_cout_char(y, len++, ' ', scheme[COL_TXT]);
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    if (x < screenw - 1) mdr_cout_char_rep(y, x, ' ', scheme[COL_TXT], screenw - 1 - x);
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#ifdef DBG_REFRESH
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#ifdef DBG_REFRESH
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    mdr_cout_char(y, 0, m, scheme[COL_STATUSBAR1]);
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    mdr_cout_char(y, 0, m, scheme[COL_STATUSBAR1]);
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#endif
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#endif
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    if (y == screenh - 2) break;
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    if (y == screenh - 2) break;
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  }
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  }
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  while (y < screenh - 1) {
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    mdr_cout_char_rep(y++, 0, ' ', scheme[COL_TXT], screenw - 1);
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  }
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}
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}
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static void check_cursor_not_after_eol(struct file *db, unsigned char *uidirtyfrom, unsigned char *uidirtyto) {
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static void check_cursor_not_after_eol(struct file *db, unsigned char *uidirtyfrom, unsigned char *uidirtyto) {
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  if (db->xoffset + db->cursorposx <= db->cursor->len) return;
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  if (db->xoffset + db->cursorposx <= db->cursor->len) return;