public void setText(String text) {
if (text == null) throw new IllegalArgumentException("text cannot be null.");
BitmapFont font = style.font;
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < text.length(); i++) {
if (maxLength > 0 && buffer.length() + 1 > maxLength) {
break;
}
char c = text.charAt(i);
if (font.containsCharacter(c) && (filter == null || filter.acceptChar(this, c)))
buffer.append(c);
}
this.text = buffer.toString();
updateDisplayText();
cursor = 0;
clearSelection();
textBounds.set(font.getBounds(displayText));
textBounds.height -= font.getDescent() * 2;
font.computeGlyphAdvancesAndPositions(displayText, glyphAdvances, glyphPositions);
}
