Пример #1
0
  @Override
  public void draw(SpriteBatch batch, float parentAlpha) {
    Drawable background;
    if (list != null && list.getParent() != null && style.backgroundOpen != null)
      background = style.backgroundOpen;
    else if (clickListener.isOver() && style.backgroundOver != null)
      background = style.backgroundOver;
    else background = style.background;
    final BitmapFont font = style.font;
    final Color fontColor = style.fontColor;

    Color color = getColor();
    float x = getX();
    float y = getY();
    float width = getWidth();
    float height = getHeight();

    batch.setColor(color.r, color.g, color.b, color.a * parentAlpha);
    background.draw(batch, x, y, width, height);
    if (items.length > 0) {
      float availableWidth = width - background.getLeftWidth() - background.getRightWidth();
      int numGlyphs =
          font.computeVisibleGlyphs(
              items[selectedIndex], 0, items[selectedIndex].length(), availableWidth);
      bounds.set(font.getBounds(items[selectedIndex]));
      height -= background.getBottomHeight() + background.getTopHeight();
      float textY = (int) (height / 2 + background.getBottomHeight() + bounds.height / 2);
      font.setColor(fontColor.r, fontColor.g, fontColor.b, fontColor.a * parentAlpha);
      font.draw(
          batch, items[selectedIndex], x + background.getLeftWidth(), y + textY, 0, numGlyphs);
    }

    // calculate screen coords where list should be displayed
    getStage().toScreenCoordinates(screenCoords.set(x, y), batch.getTransformMatrix());
  }
Пример #2
0
  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);
  }