private void refreshAngleSlider() {
	SliderUI ui = new AngleSliderUI();
	angleSlider.setUI(ui);
	angleSlider.setEnabled(stateEnabled.isSelected());

	Dimension d = ui.getPreferredSize(angleSlider);
	int z = Math.max(d.width, d.height);

	int relativeValue = sizeSlider.getValue() - sizeSlider.getMinimum();
	int newValue = z + relativeValue;
	sizeSlider.getModel().setRangeProperties(newValue,
			sizeSlider.getModel().getExtent(), z, z + 100,
			sizeSlider.getModel().getValueIsAdjusting());

	angleSlider.setPreferredSize(new Dimension(newValue, newValue));
}
 

@Override
protected void notifyPlaybackProgress(AudioPlayerComponent apc,
		float timeElapsed, float timeAsFraction) {
	Fields fields = getFields(apc);
	int span = fields.playbackProgress.getMaximum()
			- fields.playbackProgress.getMinimum();
	int v = (int) (span * timeAsFraction + fields.playbackProgress
			.getMinimum());
	SliderUI ui = fields.playbackProgress.getUI();
	boolean isDragging = ui instanceof WaveformSliderUI ? ((WaveformSliderUI) ui)
			.isDragging() : false;
	if (!isDragging) {
		fields.playbackProgress.removeChangeListener(fields.sliderListener);
		fields.playbackProgress.setValue(v);
		fields.playbackProgress.addChangeListener(fields.sliderListener);
	}
	setIcon(fields.playButton, PAUSE_ICON);
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

/**
 * Maps {@code JSlider.getUI()} through queue
 */
public SliderUI getUI() {
    return (runMapping(new MapAction<SliderUI>("getUI") {
        @Override
        public SliderUI map() {
            return ((JSlider) getSource()).getUI();
        }
    }));
}
 

/**
 * Maps {@code JSlider.setUI(SliderUI)} through queue
 */
public void setUI(final SliderUI sliderUI) {
    runMapping(new MapVoidAction("setUI") {
        @Override
        public void map() {
            ((JSlider) getSource()).setUI(sliderUI);
        }
    });
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private static Rectangle getThumbRectField() {
    try {
        SliderUI ui = slider.getUI();

        Field field = BasicSliderUI.class.getDeclaredField("thumbRect");

        field.setAccessible(true);

        return (Rectangle) field.get(ui);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

private JSlider createFontSlider() {
    JSlider fontSlider = new JSlider() {
        @Override
        public String getToolTipText(final MouseEvent event) {
            return getValue() + "%";
        }
    };
    ToolTipContext context = new ToolTipContext().setAlignment(Alignment.CENTER)
                                                 .setCenterAlignment(Alignment.NORTH)
                                                 .setUseBestFit(true)
                                                 .setToolTipRectSupplier(e -> {
                                                     SliderUI ui = fontSlider.getUI();
                                                     if (ui instanceof DarkSliderUI) {
                                                         Rectangle r = ((DarkSliderUI) ui).getThumbRect();
                                                         r.x -= 1;
                                                         return r;
                                                     }
                                                     return new Rectangle(0, 0, fontSlider.getWidth(),
                                                                          fontSlider.getHeight());
                                                 });
    fontSlider.putClientProperty(DarkSliderUI.KEY_INSTANT_SCROLL, true);
    fontSlider.putClientProperty(ToolTipConstants.KEY_CONTEXT, context);
    fontSlider.putClientProperty(ToolTipConstants.KEY_STYLE, ToolTipConstants.VARIANT_BALLOON);
    fontSlider.setToolTipText(String.valueOf(fontSlider.getValue()));
    fontSlider.setOrientation(JSlider.HORIZONTAL);
    fontSlider.setPaintTicks(true);
    fontSlider.setMinimum(FontSizePreset.TINY.getPercentage());
    fontSlider.setMaximum(FontSizePreset.HUGE.getPercentage());
    int tickSpacing = 25;
    Dictionary<Integer, JComponent> dict = fontSlider.createStandardLabels(tickSpacing);
    JLabel min = ((JLabel) dict.get(fontSlider.getMinimum()));
    UIUpdater.registerComponent(min);
    min.setText(resourceBundle.getString("label_font_smaller"));
    min.setAlignmentX(JComponent.LEFT_ALIGNMENT);
    min.putClientProperty(DarkSliderUI.KEY_MANUAL_LABEL_ALIGN, true);

    JLabel mid = ((JLabel) dict.get(fontSlider.getMinimum() + tickSpacing));
    UIUpdater.registerComponent(mid);
    dict.remove(fontSlider.getMinimum() + tickSpacing);
    dict.put(FontSizePreset.NORMAL.getPercentage(), mid);
    mid.setText(resourceBundle.getString("label_font_default"));
    mid.setAlignmentX(JComponent.CENTER_ALIGNMENT);
    mid.setHorizontalTextPosition(JLabel.RIGHT);

    JLabel max = ((JLabel) dict.get(fontSlider.getMaximum()));
    max.putClientProperty(DarkSliderUI.KEY_MANUAL_LABEL_ALIGN, true);
    max.setText(resourceBundle.getString("label_font_bigger"));
    max.setAlignmentX(JComponent.RIGHT_ALIGNMENT);
    max.putClientProperty(DarkSliderUI.KEY_MANUAL_LABEL_ALIGN, true);
    UIUpdater.registerComponent(max);

    dict.remove(FontSizePreset.Small.getPercentage());
    dict.remove(FontSizePreset.SMALL.getPercentage());
    dict.remove(FontSizePreset.Large.getPercentage());
    dict.remove(FontSizePreset.LARGE.getPercentage());
    dict.remove(FontSizePreset.Huge.getPercentage());

    fontSlider.setLabelTable(dict);
    fontSlider.setMajorTickSpacing(tickSpacing);
    fontSlider.setMinorTickSpacing(tickSpacing);
    fontSlider.setPaintLabels(true);
    fontSlider.setSnapToTicks(true);
    return fontSlider;
}