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Rev 1288 Rev 1289
Line 57... Line 57...
57 
  unsigned short xoffset;
 57 
  unsigned short xoffset;
58 
};
 58 
};
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 60 
 
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/* returns non-zero on error */
 61 
/* returns non-zero on error */
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int line_add(struct linedb *db, const char *line) {
 62 
static int line_add(struct linedb *db, const char far *line) {
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  unsigned short slen = strlen(line);
 63 
  unsigned short slen;
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  struct line far *l;
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  struct line far *l;
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 65 
 
- 
 
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  /* slen = strlen(line) (but for far pointer) */
- 
 
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  for (slen = 0; line[slen] != 0; slen++);
- 
 
 68 
 
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  /* trim out CR/LF line endings */
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  /* trim out CR/LF line endings */
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  if ((slen >= 2) && (line[slen - 2] == '\r')) {
 70 
  if ((slen >= 2) && (line[slen - 2] == '\r')) {
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    slen -= 2;
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    slen -= 2;
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  } else if ((slen >= 1) && (line[slen - 1] == '\n')) {
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  } else if ((slen >= 1) && (line[slen - 1] == '\n')) {
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    slen--;
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    slen--;
Line 85... Line 88...
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 88 
 
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  return(0);
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  return(0);
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}
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}
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void db_rewind(struct linedb *db) {
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static void db_rewind(struct linedb *db) {
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  if (db->cursor == NULL) return;
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  if (db->cursor == NULL) return;
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  while (db->cursor->prev) db->cursor = db->cursor->prev;
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  while (db->cursor->prev) db->cursor = db->cursor->prev;
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  db->topscreen = db->cursor;
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  db->topscreen = db->cursor;
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}
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}
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void load_colorscheme(void) {
 100 
static void load_colorscheme(void) {
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  scheme[COL_TXT] = 0x17;
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  scheme[COL_TXT] = 0x17;
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  scheme[COL_STATUSBAR1] = 0x70;
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  scheme[COL_STATUSBAR1] = 0x70;
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  scheme[COL_STATUSBAR2] = 0x78;
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  scheme[COL_STATUSBAR2] = 0x78;
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  scheme[COL_SCROLLBAR] = 0x70;
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  scheme[COL_SCROLLBAR] = 0x70;
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}
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}
Line 134... Line 137...
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  static char m = 'a';
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  static char m = 'a';
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  m++;
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  m++;
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  if (m > 'z') m = 'a';
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  if (m > 'z') m = 'a';
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#endif
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#endif
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 141 
 
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  for (l = db->topscreen; l != NULL; l = l->next) {
 142 
  for (l = db->topscreen; l != NULL; l = l->next, y++) {
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 143 
 
141 
    /* skip lines that do not to be refreshed */
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    /* skip lines that do not to be refreshed */
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    if ((y < uidirtyfrom) || (y > uidirtyto)) continue;
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    if (y < uidirtyfrom) continue;
- 
 
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    if (y > uidirtyto) break;
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 147 
 
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    if (db->xoffset < l->len) {
 148 
    if (db->xoffset < l->len) {
145 
      for (len = 0; l->payload[len] != 0; len++) mdr_cout_char(y, len, l->payload[len], scheme[COL_TXT]);
 149 
      for (len = 0; l->payload[len] != 0; len++) mdr_cout_char(y, len, l->payload[len], scheme[COL_TXT]);
146 
    } else {
 150 
    } else {
147 
      len = 0;
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      len = 0;
Line 151... Line 155...
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#ifdef DBG_REFRESH
 155 
#ifdef DBG_REFRESH
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    mdr_cout_char(y, 0, m, scheme[COL_STATUSBAR1]);
 156 
    mdr_cout_char(y, 0, m, scheme[COL_STATUSBAR1]);
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#endif
157 
#endif
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 158 
 
155 
    if (y == screenh - 2) break;
 159 
    if (y == screenh - 2) break;
156 
    y++;
 - 
 
157 
  }
 160 
  }
158 
}
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}
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 162 
 
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static void check_cursor_not_after_eol(struct linedb *db, unsigned char *cursorpos, unsigned char *uidirtyfrom, unsigned char *uidirtyto) {
 164 
static void check_cursor_not_after_eol(struct linedb *db, unsigned char *cursorpos, unsigned char *uidirtyfrom, unsigned char *uidirtyto) {
Line 388... Line 391...
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       cursor_eol(&db, &cursorposx, screenw, &uidirtyfrom, &uidirtyto);
 391 
       cursor_eol(&db, &cursorposx, screenw, &uidirtyfrom, &uidirtyto);
389 
 
 392 
 
390 
    } else if (k == 0x1B) { /* ESC */
 393 
    } else if (k == 0x1B) { /* ESC */
391 
      break;
 394 
      break;
392 
 
 395 
 
- 
 
 396 
    } else if (k == 0x0D) { /* ENTER */
- 
 
 397 
      /* add a new line */
- 
 
 398 
      if (line_add(&db, db.cursor->payload + db.xoffset + cursorposx) == 0) {
- 
 
 399 
        /* trim the line above */
- 
 
 400 
        db.cursor->prev->len = db.xoffset + cursorposx;
- 
 
 401 
        db.cursor->prev->payload[db.cursor->prev->len] = 0;
- 
 
 402 
        /* move cursor to the (new) line below */
- 
 
 403 
        cursorposx = 0;
- 
 
 404 
        if (cursorposy < screenh - 2) {
- 
 
 405 
          uidirtyfrom = cursorposy;
- 
 
 406 
          cursorposy++;
- 
 
 407 
        } else {
- 
 
 408 
          db.topscreen = db.topscreen->next;
- 
 
 409 
          uidirtyfrom = 0;
- 
 
 410 
        }
- 
 
 411 
        uidirtyto = 0xff;
- 
 
 412 
      } else {
- 
 
 413 
        /* ERROR: OUT OF MEMORY */
- 
 
 414 
      }
- 
 
 415 
 
393 
    } else { /* UNHANDLED KEY - TODO IGNORE THIS IN PRODUCTION RELEASE */
 416 
    } else { /* UNHANDLED KEY - TODO IGNORE THIS IN PRODUCTION RELEASE */
394 
      char buff[4];
 417 
      char buff[4];
395 
      const char *HEX = "0123456789ABCDEF";
 418 
      const char *HEX = "0123456789ABCDEF";
396 
      buff[0] = HEX[(k >> 8) & 15];
 419 
      buff[0] = HEX[(k >> 8) & 15];
397 
      buff[1] = HEX[(k >> 4) & 15];
 420 
      buff[1] = HEX[(k >> 4) & 15];