Example usage for org.eclipse.swt.custom ScrolledComposite ScrolledComposite

Introduction

In this page you can find the example usage for org.eclipse.swt.custom ScrolledComposite ScrolledComposite.

Prototype

public ScrolledComposite(Composite parent, int style) 

Source Link

Document

Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.

Usage

From source file:org.eclipse.swt.snippets.Snippet166.java

public static void main(String[] args) {
    Display display = new Display();
    Image image1 = display.getSystemImage(SWT.ICON_WORKING);
    Image image2 = display.getSystemImage(SWT.ICON_QUESTION);
    Image image3 = display.getSystemImage(SWT.ICON_ERROR);

    Shell shell = new Shell(display);
    shell.setText("Snippet 166");
    shell.setLayout(new FillLayout());

    final ScrolledComposite scrollComposite = new ScrolledComposite(shell, SWT.V_SCROLL | SWT.BORDER);

    final Composite parent = new Composite(scrollComposite, SWT.NONE);
    for (int i = 0; i <= 50; i++) {
        Label label = new Label(parent, SWT.NONE);
        if (i % 3 == 0)
            label.setImage(image1);//from  w w  w .ja  v  a2 s .co m
        if (i % 3 == 1)
            label.setImage(image2);
        if (i % 3 == 2)
            label.setImage(image3);
    }
    RowLayout layout = new RowLayout(SWT.HORIZONTAL);
    layout.wrap = true;
    parent.setLayout(layout);

    scrollComposite.setContent(parent);
    scrollComposite.setExpandVertical(true);
    scrollComposite.setExpandHorizontal(true);
    scrollComposite.addControlListener(ControlListener.controlResizedAdapter(e -> {
        Rectangle r = scrollComposite.getClientArea();
        scrollComposite.setMinSize(parent.computeSize(r.width, SWT.DEFAULT));
    }));

    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

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From source file:ScrollBarAuto.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());

    // this button has a minimum size of 400 x 400. If the window is resized to be big
    // enough to show more than 400 x 400, the button will grow in size. If the window
    // is made too small to show 400 x 400, scrollbars will appear.
    ScrolledComposite c2 = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    Button b2 = new Button(c2, SWT.PUSH);
    b2.setText("expanding button");
    c2.setContent(b2);//from  w ww.  j a v  a  2s.  c om
    c2.setExpandHorizontal(true);
    c2.setExpandVertical(true);
    c2.setMinWidth(400);
    c2.setMinHeight(400);

    shell.setSize(600, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet322.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 322");
    shell.setBounds(10, 10, 300, 300);/*w  ww . jav  a 2s .  c o  m*/
    final ScrolledComposite sc = new ScrolledComposite(shell, SWT.VERTICAL);
    sc.setBounds(10, 10, 280, 200);
    final int clientWidth = sc.getClientArea().width;

    final Tree tree = new Tree(sc, SWT.NONE);
    for (int i = 0; i < 99; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("item " + i);
        new TreeItem(item, SWT.NONE).setText("child");
    }
    sc.setContent(tree);
    int prefHeight = tree.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
    tree.setSize(clientWidth, prefHeight);
    /*
     * The following listener ensures that the Tree is always large
     * enough to not need to show its own vertical scrollbar.
     */
    tree.addTreeListener(new TreeListener() {
        @Override
        public void treeExpanded(TreeEvent e) {
            int prefHeight = tree.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
            tree.setSize(clientWidth, prefHeight);
        }

        @Override
        public void treeCollapsed(TreeEvent e) {
            int prefHeight = tree.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
            tree.setSize(clientWidth, prefHeight);
        }
    });
    /*
     * The following listener ensures that a newly-selected item
     * in the Tree is always visible.
     */
    tree.addSelectionListener(widgetSelectedAdapter(e -> {
        TreeItem[] selectedItems = tree.getSelection();
        if (selectedItems.length > 0) {
            Rectangle itemRect = selectedItems[0].getBounds();
            Rectangle area = sc.getClientArea();
            Point origin = sc.getOrigin();
            if (itemRect.x < origin.x || itemRect.y < origin.y
                    || itemRect.x + itemRect.width > origin.x + area.width
                    || itemRect.y + itemRect.height > origin.y + area.height) {
                sc.setOrigin(itemRect.x, itemRect.y);
            }
        }
    }));
    /*
     * The following listener scrolls the Tree one item at a time
     * in response to MouseWheel events.
     */
    tree.addListener(SWT.MouseWheel, event -> {
        Point origin = sc.getOrigin();
        if (event.count < 0) {
            origin.y = Math.min(origin.y + tree.getItemHeight(), tree.getSize().y);
        } else {
            origin.y = Math.max(origin.y - tree.getItemHeight(), 0);
        }
        sc.setOrigin(origin);
    });

    Button disableButton = new Button(shell, SWT.PUSH);
    disableButton.setBounds(10, 220, 120, 30);
    disableButton.setText("Disable");
    disableButton.addListener(SWT.Selection, event -> tree.setEnabled(false));
    Button enableButton = new Button(shell, SWT.PUSH);
    enableButton.setBounds(140, 220, 120, 30);
    enableButton.setText("Enable");
    enableButton.addListener(SWT.Selection, event -> tree.setEnabled(true));

    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:ScrollWidgetViewFocusIn.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    Button b1 = new Button(shell, SWT.PUSH);
    b1.setText("top");
    b1.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));
    final ScrolledComposite sc = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    sc.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    Composite c = new Composite(sc, SWT.NONE);
    c.setLayout(new GridLayout(10, true));
    for (int i = 0; i < 300; i++) {
        Button b = new Button(c, SWT.PUSH);
        b.setText("Button " + i);
    }//from  www . j av a2 s.  c o m
    Button b2 = new Button(shell, SWT.PUSH);
    b2.setText("bottom");
    b2.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));

    sc.setContent(c);
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);
    sc.setMinSize(c.computeSize(SWT.DEFAULT, SWT.DEFAULT));

    Listener listener = new Listener() {
        public void handleEvent(Event e) {
            Control child = (Control) e.widget;
            Rectangle bounds = child.getBounds();
            Rectangle area = sc.getClientArea();
            Point origin = sc.getOrigin();
            if (origin.x > bounds.x)
                origin.x = Math.max(0, bounds.x);
            if (origin.y > bounds.y)
                origin.y = Math.max(0, bounds.y);
            if (origin.x + area.width < bounds.x + bounds.width)
                origin.x = Math.max(0, bounds.x + bounds.width - area.width);
            if (origin.y + area.height < bounds.y + bounds.height)
                origin.y = Math.max(0, bounds.y + bounds.height - area.height);
            sc.setOrigin(origin);
        }
    };
    Control[] controls = c.getChildren();
    for (int i = 0; i < controls.length; i++) {
        controls[i].addListener(SWT.Activate, listener);
    }
    shell.setSize(300, 500);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:ScrolledCompositeCreate.java

public static void main(String[] args) {
    Display display = new Display();
    Image image1 = display.getSystemImage(SWT.ICON_WORKING);
    Image image2 = display.getSystemImage(SWT.ICON_QUESTION);
    Image image3 = display.getSystemImage(SWT.ICON_ERROR);

    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());

    final ScrolledComposite scrollComposite = new ScrolledComposite(shell, SWT.V_SCROLL | SWT.BORDER);

    final Composite parent = new Composite(scrollComposite, SWT.NONE);
    for (int i = 0; i <= 50; i++) {
        Label label = new Label(parent, SWT.NONE);
        if (i % 3 == 0)
            label.setImage(image1);/*from  ww  w  . j  a  v a  2s .co  m*/
        if (i % 3 == 1)
            label.setImage(image2);
        if (i % 3 == 2)
            label.setImage(image3);
    }
    RowLayout layout = new RowLayout(SWT.HORIZONTAL);
    layout.wrap = true;
    parent.setLayout(layout);

    scrollComposite.setContent(parent);
    scrollComposite.setExpandVertical(true);
    scrollComposite.setExpandHorizontal(true);
    scrollComposite.addControlListener(new ControlAdapter() {
        public void controlResized(ControlEvent e) {
            Rectangle r = scrollComposite.getClientArea();
            scrollComposite.setMinSize(parent.computeSize(r.width, SWT.DEFAULT));
        }
    });

    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet215.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 215");
    shell.setLayout(new FillLayout());
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Capture");
    button.addListener(SWT.Selection, event -> {

        /* Take the screen shot */
        GC gc = new GC(display);
        final Image image = new Image(display, display.getBounds());
        gc.copyArea(image, 0, 0);//w  w  w .  j av a  2 s .  c  om
        gc.dispose();

        Shell popup = new Shell(shell, SWT.SHELL_TRIM);
        popup.setLayout(new FillLayout());
        popup.setText("Image");
        popup.setBounds(50, 50, 200, 200);
        popup.addListener(SWT.Close, e -> image.dispose());

        ScrolledComposite sc = new ScrolledComposite(popup, SWT.V_SCROLL | SWT.H_SCROLL);
        Canvas canvas = new Canvas(sc, SWT.NONE);
        sc.setContent(canvas);
        canvas.setBounds(display.getBounds());
        canvas.addPaintListener(e -> e.gc.drawImage(image, 0, 0));
        popup.open();
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:ScreenShotWithGC.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Capture");
    button.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {

            /* Take the screen shot */
            GC gc = new GC(display);
            final Image image = new Image(display, display.getBounds());
            gc.copyArea(image, 0, 0);//w w  w.j  ava  2s .co m
            gc.dispose();

            Shell popup = new Shell(shell, SWT.SHELL_TRIM);
            popup.setLayout(new FillLayout());
            popup.setText("Image");
            popup.setBounds(50, 50, 200, 200);
            popup.addListener(SWT.Close, new Listener() {
                public void handleEvent(Event e) {
                    image.dispose();
                }
            });

            ScrolledComposite sc = new ScrolledComposite(popup, SWT.V_SCROLL | SWT.H_SCROLL);
            Canvas canvas = new Canvas(sc, SWT.NONE);
            sc.setContent(canvas);
            canvas.setBounds(display.getBounds());
            canvas.addPaintListener(new PaintListener() {
                public void paintControl(PaintEvent e) {
                    e.gc.drawImage(image, 0, 0);
                }
            });
            popup.open();
        }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:ScrolledCompositeTest.java

private void createContents(Composite parent) {
    parent.setLayout(new FillLayout());

    // Create the ScrolledComposite to scroll horizontally and vertically
    ScrolledComposite sc = new ScrolledComposite(parent, SWT.H_SCROLL | SWT.V_SCROLL);

    // Create a child composite to hold the controls
    Composite child = new Composite(sc, SWT.NONE);
    child.setLayout(new FillLayout());

    // Create the buttons
    new Button(child, SWT.PUSH).setText("One");
    new Button(child, SWT.PUSH).setText("Two");
    /*/*  ww w.  j  ava 2s.c  om*/
     * // Set the absolute size of the child child.setSize(400, 400);
     */
    // Set the child as the scrolled content of the ScrolledComposite
    sc.setContent(child);

    // Set the minimum size
    sc.setMinSize(400, 400);

    // Expand both horizontally and vertically
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);
}

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From source file:ClipboardExample.java

public void open(Display display) {
    clipboard = new Clipboard(display);
    shell = new Shell(display);
    shell.setText("SWT Clipboard");
    shell.setLayout(new FillLayout());

    ScrolledComposite sc = new ScrolledComposite(shell, SWT.H_SCROLL | SWT.V_SCROLL);
    Composite parent = new Composite(sc, SWT.NONE);
    sc.setContent(parent);//ww w . j  ava2  s . c  o  m
    parent.setLayout(new GridLayout(2, true));

    Group copyGroup = new Group(parent, SWT.NONE);
    copyGroup.setText("Copy From:");
    GridData data = new GridData(GridData.FILL_BOTH);
    copyGroup.setLayoutData(data);
    copyGroup.setLayout(new GridLayout(3, false));

    Group pasteGroup = new Group(parent, SWT.NONE);
    pasteGroup.setText("Paste To:");
    data = new GridData(GridData.FILL_BOTH);
    pasteGroup.setLayoutData(data);
    pasteGroup.setLayout(new GridLayout(3, false));

    Group controlGroup = new Group(parent, SWT.NONE);
    controlGroup.setText("Control API:");
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 2;
    controlGroup.setLayoutData(data);
    controlGroup.setLayout(new GridLayout(5, false));

    Group typesGroup = new Group(parent, SWT.NONE);
    typesGroup.setText("Available Types");
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 2;
    typesGroup.setLayoutData(data);
    typesGroup.setLayout(new GridLayout(2, false));

    status = new Label(parent, SWT.BORDER);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    data.heightHint = 60;
    status.setLayoutData(data);

    createTextTransfer(copyGroup, pasteGroup);
    createRTFTransfer(copyGroup, pasteGroup);
    createHTMLTransfer(copyGroup, pasteGroup);
    createFileTransfer(copyGroup, pasteGroup);
    createMyTransfer(copyGroup, pasteGroup);
    createControlTransfer(controlGroup);
    createAvailableTypes(typesGroup);

    sc.setMinSize(parent.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);

    Point size = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    Rectangle monitorArea = shell.getMonitor().getClientArea();
    shell.setSize(Math.min(size.x, monitorArea.width - 20), Math.min(size.y, monitorArea.height - 20));
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    clipboard.dispose();
}

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From source file:org.eclipse.swt.examples.clipboard.ClipboardExample.java

public void open(Display display) {
    clipboard = new Clipboard(display);
    shell = new Shell(display);
    shell.setText("SWT Clipboard");
    shell.setLayout(new FillLayout());

    ScrolledComposite sc = new ScrolledComposite(shell, SWT.H_SCROLL | SWT.V_SCROLL);
    Composite parent = new Composite(sc, SWT.NONE);
    sc.setContent(parent);// w w  w.  j  a v a2  s .  c om
    parent.setLayout(new GridLayout(2, true));

    Group copyGroup = new Group(parent, SWT.NONE);
    copyGroup.setText("Copy From:");
    GridData data = new GridData(GridData.FILL_BOTH);
    copyGroup.setLayoutData(data);
    copyGroup.setLayout(new GridLayout(3, false));

    Group pasteGroup = new Group(parent, SWT.NONE);
    pasteGroup.setText("Paste To:");
    data = new GridData(GridData.FILL_BOTH);
    pasteGroup.setLayoutData(data);
    pasteGroup.setLayout(new GridLayout(3, false));

    Group controlGroup = new Group(parent, SWT.NONE);
    controlGroup.setText("Control API:");
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    controlGroup.setLayoutData(data);
    controlGroup.setLayout(new GridLayout(5, false));

    Group typesGroup = new Group(parent, SWT.NONE);
    typesGroup.setText("Available Types");
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    typesGroup.setLayoutData(data);
    typesGroup.setLayout(new GridLayout(2, false));

    status = new Label(parent, SWT.NONE);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    status.setLayoutData(data);

    createTextTransfer(copyGroup, pasteGroup);
    createRTFTransfer(copyGroup, pasteGroup);
    createHTMLTransfer(copyGroup, pasteGroup);
    createFileTransfer(copyGroup, pasteGroup);
    createImageTransfer(copyGroup, pasteGroup);
    createMyTransfer(copyGroup, pasteGroup);
    createControlTransfer(controlGroup);
    createAvailableTypes(typesGroup);

    sc.setMinSize(parent.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);

    Point size = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    Rectangle monitorArea = shell.getMonitor().getClientArea();
    shell.setSize(Math.min(size.x, monitorArea.width - 20), Math.min(size.y, monitorArea.height - 20));
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    clipboard.dispose();
}

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