Examples of org.apache.pivot.wtk.MenuButton

org.apache.pivot.wtk.MenuButton
Component that allows a user to select one of several menu options. The options are hidden until the user pushes the button.
The repeatable flag is used to trigger "split button" behavior. When true, the button reflects the selected value and allows a user to repeatedly press the left half of the button, firing additional menu selection events for the selected item. Pressing the right half of the button continues to fire button press events and display the menu.

     */
    @Override
    public boolean keyReleased(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
        boolean consumed = false;


        MenuButton menuButton = (MenuButton)getComponent();


        if (keyCode == Keyboard.KeyCode.SPACE) {
            pressed = false;
            repaintComponent();


            menuButton.press();
        } else {
            consumed = super.keyReleased(component, keyCode, keyLocation);
        }


        return consumed;

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        int preferredWidth = 0;


        if (height == -1) {
            preferredWidth = getPreferredSize().width;
        } else {
            MenuButton menuButton = (MenuButton)getComponent();
            Button.DataRenderer dataRenderer = menuButton.getDataRenderer();
            dataRenderer.render(menuButton.getButtonData(), menuButton, false);


            preferredWidth = dataRenderer.getPreferredWidth(-1) + TRIGGER_WIDTH
                + padding.left + padding.right + spacing + 2;


            // Adjust for preferred aspect ratio

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        int preferredHeight = 0;


        if (width == -1) {
            preferredHeight = getPreferredSize().height;
        } else {
            MenuButton menuButton = (MenuButton)getComponent();


            Button.DataRenderer dataRenderer = menuButton.getDataRenderer();
            dataRenderer.render(menuButton.getButtonData(), menuButton, false);


            preferredHeight = dataRenderer.getPreferredHeight(-1)
                + padding.top + padding.bottom + 2;


            // Adjust for preferred aspect ratio

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        return preferredHeight;
    }


    @Override
    public Dimensions getPreferredSize() {
        MenuButton menuButton = (MenuButton)getComponent();


        Button.DataRenderer dataRenderer = menuButton.getDataRenderer();
        dataRenderer.render(menuButton.getButtonData(), menuButton, false);


        Dimensions contentSize = dataRenderer.getPreferredSize();
        int preferredWidth = contentSize.width + TRIGGER_WIDTH + padding.left + padding.right + 2;
        int preferredHeight = contentSize.height + padding.top + padding.bottom + 2;

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        return new Dimensions(preferredWidth, preferredHeight);
    }


    @Override
    public int getBaseline(int width, int height) {
        MenuButton menuButton = (MenuButton) getComponent();


        Button.DataRenderer dataRenderer = menuButton.getDataRenderer();
        dataRenderer.render(menuButton.getButtonData(), menuButton, false);


        int clientWidth = Math.max(width - (TRIGGER_WIDTH + padding.left + padding.right + 2), 0);
        int clientHeight = Math.max(height - (padding.top + padding.bottom + 2), 0);


        int baseline = dataRenderer.getBaseline(clientWidth, clientHeight);

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        // No-op
    }


    @Override
    public void paint(Graphics2D graphics) {
        MenuButton menuButton = (MenuButton)getComponent();


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


        Color colorLocal = null;
        Color backgroundColorLocal = null;
        Color bevelColorLocal = null;
        Color borderColorLocal = null;


        if (!toolbar
            || highlighted
            || menuButton.isFocused()
            || menuPopup.isOpen()) {
            if (menuButton.isEnabled()) {
                colorLocal = this.color;
                backgroundColorLocal = this.backgroundColor;
                bevelColorLocal = (pressed || (menuPopup.isOpen() && !menuPopup.isClosing())) ?
                    pressedBevelColor : this.bevelColor;
                borderColorLocal = this.borderColor;
            } else {
                colorLocal = disabledColor;
                backgroundColorLocal = disabledBackgroundColor;
                bevelColorLocal = disabledBevelColor;
                borderColorLocal = disabledBorderColor;
            }
        }


        // Paint the background
        graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);


        if (backgroundColorLocal != null
            && bevelColorLocal != null) {
            graphics.setPaint(new GradientPaint(width / 2f, 0, bevelColorLocal,
                width / 2f, height / 2f, backgroundColorLocal));
            graphics.fill(new RoundRectangle2D.Double(0.5, 0.5, width - 1, height - 1,
                CORNER_RADIUS, CORNER_RADIUS));
        }


        // Paint the content
        graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_OFF);


        Bounds contentBounds = new Bounds(padding.left + 1, padding.top + 1,
            Math.max(width - (padding.left + padding.right + spacing + TRIGGER_WIDTH + 2), 0),
            Math.max(height - (padding.top + padding.bottom + 2), 0));
        Button.DataRenderer dataRenderer = menuButton.getDataRenderer();
        dataRenderer.render(menuButton.getButtonData(), menuButton, highlighted);
        dataRenderer.setSize(contentBounds.width, contentBounds.height);


        Graphics2D contentGraphics = (Graphics2D)graphics.create();
        contentGraphics.translate(contentBounds.x, contentBounds.y);
        contentGraphics.clipRect(0, 0, contentBounds.width, contentBounds.height);
        dataRenderer.paint(contentGraphics);
        contentGraphics.dispose();


        graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);


        // Paint the border
        if (borderColorLocal != null) {
            graphics.setPaint(borderColorLocal);
            graphics.setStroke(new BasicStroke(1));
            graphics.draw(new RoundRectangle2D.Double(0.5, 0.5, width - 1, height - 1,
                CORNER_RADIUS, CORNER_RADIUS));
        }


        // Paint the focus state
        if (menuButton.isFocused()
            && !toolbar) {
            BasicStroke dashStroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND,
                BasicStroke.JOIN_ROUND, 1.0f, new float[] {0.0f, 2.0f}, 0.0f);
            graphics.setStroke(dashStroke);
            graphics.setColor(this.borderColor);

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        return true;
    }


    @Override
    public boolean isOpaque() {
        MenuButton menuButton = (MenuButton)getComponent();
        return (!toolbar
            || highlighted
            || menuButton.isFocused());
    }

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public class Pivot765 extends Application.Adapter {
    private boolean menuPopulated = false;


    @Override
    public void startup(final Display display, Map<String, String> properties) throws Exception {
        final MenuButton button = new MenuButton();
        button.setButtonData("Populate menu and open!");
        Window window = new Window(button);


        button.getListPopup().getWindowStateListeners().add(new WindowStateListener.Adapter() {
            @Override
            public Vote previewWindowOpen(Window windowArgument) {
                Menu menu = new Menu();
                Menu.Section section = new Menu.Section();
                menu.getSections().add(section);
                section.add(new Menu.Item("A dynamically added menu item"));
                button.setMenu(menu);


                menuPopulated = true;
                return Vote.APPROVE;
            }


            @Override
            public void windowOpened(Window windowArgument) {
                if (!menuPopulated)
                    Alert.alert("Window was opened before the menu was populated." +
                            "Either previewWindowOpen threw an exception, or it wasn't called before the Window was opened.", windowArgument);
            }


            @Override
            public void windowClosed(Window windowArgument, Display displayArgument, Window owner) {
                // Remove menu for subsequent open attempt
                button.setMenu(null);
                menuPopulated = false;
            }
        });

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        int preferredWidth = 0;


        if (height == -1) {
            preferredWidth = getPreferredSize().width;
        } else {
            MenuButton menuButton = (MenuButton)getComponent();
            Button.DataRenderer dataRenderer = menuButton.getDataRenderer();
            dataRenderer.render(menuButton.getButtonData(), menuButton, false);


            preferredWidth = dataRenderer.getPreferredWidth(-1) + TRIGGER_WIDTH
                + padding.left + padding.right + spacing + 2;


            // Adjust for preferred aspect ratio

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        int preferredHeight = 0;


        if (width == -1) {
            preferredHeight = getPreferredSize().height;
        } else {
            MenuButton menuButton = (MenuButton)getComponent();


            Button.DataRenderer dataRenderer = menuButton.getDataRenderer();
            dataRenderer.render(menuButton.getButtonData(), menuButton, false);


            preferredHeight = dataRenderer.getPreferredHeight(-1)
                + padding.top + padding.bottom + 2;


            // Adjust for preferred aspect ratio

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Related Classes of org.apache.pivot.wtk.MenuButton

org.apache.pivot.tests.issues.Pivot765

org.apache.pivot.wtk.skin.MenuButtonSkin

org.apache.pivot.wtk.skin.terra.TerraMenuButtonSkin

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