Пример #1
0
    private Icon getIcon(SynthContext context) {
      if (context != null) {
        ComponentOrientation co = context.getComponent().getComponentOrientation();
        SynthStyle style = context.getStyle();

        if (style != this.style) {
          this.style = style;
          loadedLTR = loadedRTL = false;
        }
        if (co == null || co.isLeftToRight()) {
          if (!loadedLTR) {
            loadedLTR = true;
            ltrIcon = ((GTKStyle) context.getStyle()).getStockIcon(context, key, size);
          }
          return ltrIcon;
        } else if (!loadedRTL) {
          loadedRTL = true;
          rtlIcon = ((GTKStyle) context.getStyle()).getStockIcon(context, key, size);
        }
        return rtlIcon;
      }
      return ltrIcon;
    }
Пример #2
0
  private Icon getStockIcon(SynthContext context, String key, int type) {
    TextDirection direction = TextDirection.LTR;

    if (context != null) {
      ComponentOrientation co = context.getComponent().getComponentOrientation();

      if (co != null && !co.isLeftToRight()) {
        direction = TextDirection.RTL;
      }
    }

    // First try loading a theme-specific icon using the native
    // GTK libraries (native GTK handles the resizing for us).
    Icon icon = getStyleSpecificIcon(key, direction, type);
    if (icon != null) {
      return icon;
    }

    // In a failure case where native GTK (unexpectedly) returns a
    // null icon, we can try loading a default icon as a fallback.
    String propName =
        ICON_PROPERTY_PREFIX
            + key
            + '.'
            + type
            + '.'
            + (direction == TextDirection.RTL ? "rtl" : "ltr");
    Image img = (Image) Toolkit.getDefaultToolkit().getDesktopProperty(propName);
    if (img != null) {
      return new ImageIcon(img);
    }

    // In an extreme failure situation, just return null (callers are
    // already prepared to handle a null icon, so the worst that can
    // happen is that an icon won't be included in the button/dialog).
    return null;
  }