Package org.apache.pivot.wtk

Examples of org.apache.pivot.wtk.Slider$SliderValueListenerList

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        slider.add(thumb);
    }

    @Override
    public int getPreferredWidth(int height) {
        Slider slider = (Slider)getComponent();

        int preferredWidth;
        if (slider.getOrientation() == Orientation.HORIZONTAL) {
            preferredWidth = DEFAULT_WIDTH;
        } else {
            preferredWidth = thumbHeight;
        }
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        return preferredWidth;
    }

    @Override
    public int getPreferredHeight(int width) {
        Slider slider = (Slider)getComponent();

        int preferredHeight;
        if (slider.getOrientation() == Orientation.HORIZONTAL) {
            preferredHeight = thumbHeight;
        } else {
            preferredHeight = DEFAULT_WIDTH;
        }
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        return new Dimensions(getPreferredWidth(-1), getPreferredHeight(-1));
    }

    @Override
    public void layout() {
        Slider slider = (Slider)getComponent();

        int width = getWidth();
        int height = getHeight();

        int start = slider.getStart();
        int end = slider.getEnd();
        int value = slider.getValue();

        float ratio = (float)(value - start) / (end - start);

        if (slider.getOrientation() == Orientation.HORIZONTAL) {
            thumb.setSize(thumbWidth, thumbHeight);
            thumb.setLocation((int)((width - thumbWidth) * ratio), (height - thumbHeight) / 2);
        } else {
            thumb.setSize(thumbHeight, thumbWidth);

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    @Override
    public void paint(Graphics2D graphics) {
        super.paint(graphics);

        Slider slider = (Slider)getComponent();

        int width = getWidth();
        int height = getHeight();

        graphics.setColor(trackColor);
        graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);
        if (slider.getOrientation() == Orientation.HORIZONTAL) {
            graphics.fillRect(0, (height - trackWidth) / 2, width, trackWidth);
            if (tickSpacing > 0) {
                int start = slider.getStart();
                int end = slider.getEnd();
                int value = start;
                while (value <= end) {
                    float ratio = (float)(value - start) / (end - start);
                    int x = (int) (width * ratio);
                    graphics.drawLine(x, height / 3, x, height * 2 / 3);
                    value += tickSpacing;
                }
            }
        } else {
            graphics.fillRect((width - trackWidth) / 2, 0, trackWidth, height);
            if (tickSpacing > 0) {
                int start = slider.getStart();
                int end = slider.getEnd();
                int value = start;
                while (value <= end) {
                    float ratio = (float)(value - start) / (end - start);
                    int y = (int) (height * ratio);
                    graphics.drawLine(width / 3, y, width * 2 / 3, y);
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         */
        @Override
        public boolean keyPressed(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
            boolean consumed = super.keyPressed(component, keyCode, keyLocation);

            Slider slider = (Slider)TerraSliderSkin.this.getComponent();

            int start = slider.getStart();
            int end = slider.getEnd();
            int length = end - start;

            int value = slider.getValue();
            int increment = length / 10;

            if (keyCode == Keyboard.KeyCode.LEFT
                || keyCode == Keyboard.KeyCode.DOWN) {
                slider.setValue(Math.max(start, value - increment));
                consumed = true;
            } else if (keyCode == Keyboard.KeyCode.RIGHT
                || keyCode == Keyboard.KeyCode.UP) {
                slider.setValue(Math.min(end, value + increment));
                consumed = true;
            }

            return consumed;
        }
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    @Override
    public void install(Component component) {
        super.install(component);

        Slider slider = (Slider)component;
        slider.add(thumb);
    }
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        slider.add(thumb);
    }

    @Override
    public int getPreferredWidth(int height) {
        Slider slider = (Slider)getComponent();

        int preferredWidth;
        if (slider.getOrientation() == Orientation.HORIZONTAL) {
            preferredWidth = DEFAULT_WIDTH;
        } else {
            preferredWidth = thumbHeight;
        }
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        return preferredWidth;
    }

    @Override
    public int getPreferredHeight(int width) {
        Slider slider = (Slider)getComponent();

        int preferredHeight;
        if (slider.getOrientation() == Orientation.HORIZONTAL) {
            preferredHeight = thumbHeight;
        } else {
            preferredHeight = DEFAULT_WIDTH;
        }
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        return new Dimensions(getPreferredWidth(-1), getPreferredHeight(-1));
    }

    @Override
    public void layout() {
        Slider slider = (Slider)getComponent();

        int width = getWidth();
        int height = getHeight();

        int start = slider.getStart();
        int end = slider.getEnd();
        int value = slider.getValue();

        float ratio = (float)(value - start) / (end - start);

        if (slider.getOrientation() == Orientation.HORIZONTAL) {
            thumb.setSize(thumbWidth, thumbHeight);
            thumb.setLocation((int)((width - thumbWidth) * ratio), (height - thumbHeight) / 2);
        } else {
            thumb.setSize(thumbHeight, thumbWidth);

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    @Override
    public void paint(Graphics2D graphics) {
        super.paint(graphics);

        Slider slider = (Slider)getComponent();

        int width = getWidth();
        int height = getHeight();

        graphics.setColor(trackColor);
        graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);
        if (slider.getOrientation() == Orientation.HORIZONTAL) {
            graphics.fillRect(0, (height - trackWidth) / 2, width, trackWidth);
            if (tickSpacing > 0) {
                int start = slider.getStart();
                int end = slider.getEnd();
                int value = start;
                while (value <= end) {
                    float ratio = (float)(value - start) / (end - start);
                    int x = (int) (width * ratio);
                    graphics.drawLine(x, height / 3, x, height * 2 / 3);
                    value += tickSpacing;
                }
            }
        } else {
            graphics.fillRect((width - trackWidth) / 2, 0, trackWidth, height);
            if (tickSpacing > 0) {
                int start = slider.getStart();
                int end = slider.getEnd();
                int value = start;
                while (value <= end) {
                    float ratio = (float)(value - start) / (end - start);
                    int y = (int) (height * ratio);
                    graphics.drawLine(width / 3, y, width * 2 / 3, y);
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Related Classes of org.apache.pivot.wtk.Slider$SliderValueListenerList

  • org.apache.pivot.wtk.skin.SliderSkin
  • org.apache.pivot.wtk.skin.terra.TerraSliderSkin
  • org.apache.pivot.wtk.skin.terra.TerraSliderSkin$ThumbSkin
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