Example usage for org.eclipse.swt.widgets Composite Composite

List of usage examples for org.eclipse.swt.widgets Composite Composite

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Introduction

In this page you can find the example usage for org.eclipse.swt.widgets Composite Composite.

Prototype

public Composite(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:StackLayoutSwitchComposites.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setBounds(10, 10, 300, 200);//  ww w .j ava 2  s.c  om
    // create the composite that the pages will share
    final Composite contentPanel = new Composite(shell, SWT.BORDER);
    contentPanel.setBounds(100, 10, 190, 90);
    final StackLayout layout = new StackLayout();
    contentPanel.setLayout(layout);

    // create the first page's content
    final Composite page0 = new Composite(contentPanel, SWT.NONE);
    page0.setLayout(new RowLayout());
    Label label = new Label(page0, SWT.NONE);
    label.setText("Label on page 1");
    label.pack();

    // create the second page's content
    final Composite page1 = new Composite(contentPanel, SWT.NONE);
    page1.setLayout(new RowLayout());
    Button button = new Button(page1, SWT.NONE);
    button.setText("Button on page 2");
    button.pack();

    // create the button that will switch between the pages
    Button pageButton = new Button(shell, SWT.PUSH);
    pageButton.setText("Push");
    pageButton.setBounds(10, 10, 80, 25);
    pageButton.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {
            pageNum = ++pageNum % 2;
            layout.topControl = pageNum == 0 ? page0 : page1;
            contentPanel.layout();
        }
    });

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

From source file:TableColumnResizeTableResize.java

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

    final Composite comp = new Composite(shell, SWT.NONE);
    final Table table = new Table(comp, SWT.BORDER | SWT.V_SCROLL);
    table.setHeaderVisible(true);/*from   www .  ja v a 2 s.  co  m*/
    table.setLinesVisible(true);
    final TableColumn column1 = new TableColumn(table, SWT.NONE);
    column1.setText("Column 1");
    final TableColumn column2 = new TableColumn(table, SWT.NONE);
    column2.setText("Column 2");
    for (int i = 0; i < 10; i++) {
        TableItem item = new TableItem(table, SWT.NONE);
        item.setText(new String[] { "item 0" + i, "item 1" + i });
    }
    comp.addControlListener(new ControlAdapter() {
        public void controlResized(ControlEvent e) {
            Rectangle area = comp.getClientArea();
            Point preferredSize = table.computeSize(SWT.DEFAULT, SWT.DEFAULT);
            int width = area.width - 2 * table.getBorderWidth();
            if (preferredSize.y > area.height + table.getHeaderHeight()) {
                // Subtract the scrollbar width from the total column width
                // if a vertical scrollbar will be required
                Point vBarSize = table.getVerticalBar().getSize();
                width -= vBarSize.x;
            }
            Point oldSize = table.getSize();
            if (oldSize.x > area.width) {
                // table is getting smaller so make the columns
                // smaller first and then resize the table to
                // match the client area width
                column1.setWidth(width / 3);
                column2.setWidth(width - column1.getWidth());
                table.setSize(area.width, area.height);
            } else {
                // table is getting bigger so make the table
                // bigger first and then make the columns wider
                // to match the client area width
                table.setSize(area.width, area.height);
                column1.setWidth(width / 3);
                column2.setWidth(width - column1.getWidth());
            }
        }
    });

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

From source file:org.eclipse.swt.snippets.Snippet234.java

public static void main(String[] args) {
    int rowCount = 40;
    int columnCount = 15;
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 234");
    shell.setLayout(new FillLayout());

    Composite parent = new Composite(shell, SWT.BORDER);
    GridLayout layout = new GridLayout(2, false);
    layout.marginWidth = layout.marginHeight = layout.horizontalSpacing = 0;
    parent.setLayout(layout);// w  ww .  j a  va 2 s . c  om
    final Table leftTable = new Table(parent, SWT.MULTI | SWT.FULL_SELECTION);
    leftTable.setLayoutData(new GridData(SWT.LEFT, SWT.FILL, false, true));
    leftTable.setHeaderVisible(true);
    final Table rightTable = new Table(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION);
    rightTable.setHeaderVisible(true);
    GridData table2Data = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 2);
    rightTable.setLayoutData(table2Data);
    // Create columns
    TableColumn column1 = new TableColumn(leftTable, SWT.NONE);
    column1.setText("Name");
    column1.setWidth(150);
    for (int i = 0; i < columnCount; i++) {
        TableColumn column = new TableColumn(rightTable, SWT.NONE);
        column.setText("Value " + i);
        column.setWidth(200);
    }
    // Create rows
    for (int i = 0; i < rowCount; i++) {
        TableItem item = new TableItem(leftTable, SWT.NONE);
        item.setText("item " + i);
        item = new TableItem(rightTable, SWT.NONE);
        for (int j = 0; j < columnCount; j++) {
            item.setText(j, "Item " + i + " value @ " + j);
        }
    }
    // Make selection the same in both tables
    leftTable.addListener(SWT.Selection, event -> rightTable.setSelection(leftTable.getSelectionIndices()));
    rightTable.addListener(SWT.Selection, event -> leftTable.setSelection(rightTable.getSelectionIndices()));
    // On Windows, the selection is gray if the table does not have focus.
    // To make both tables appear in focus, draw the selection background here.
    // This part only works on version 3.2 or later.
    Listener eraseListener = event -> {
        event.detail &= ~SWT.HOT;
        if ((event.detail & SWT.SELECTED) != 0) {
            GC gc = event.gc;
            Rectangle rect = event.getBounds();
            gc.setForeground(display.getSystemColor(SWT.COLOR_LIST_SELECTION_TEXT));
            gc.setBackground(display.getSystemColor(SWT.COLOR_LIST_SELECTION));
            gc.fillRectangle(rect);
            event.detail &= ~SWT.SELECTED;
        }
    };

    leftTable.addListener(SWT.EraseItem, eraseListener);
    rightTable.addListener(SWT.EraseItem, eraseListener);
    // Make vertical scrollbars scroll together
    ScrollBar vBarLeft = leftTable.getVerticalBar();
    vBarLeft.addListener(SWT.Selection, event -> rightTable.setTopIndex(leftTable.getTopIndex()));
    ScrollBar vBarRight = rightTable.getVerticalBar();
    vBarRight.addListener(SWT.Selection, event -> leftTable.setTopIndex(rightTable.getTopIndex()));
    // Horizontal bar on second table takes up a little extra space.
    // To keep vertical scroll bars in sink, force table1 to end above
    // horizontal scrollbar
    ScrollBar hBarRight = rightTable.getHorizontalBar();
    Label spacer = new Label(parent, SWT.NONE);
    GridData spacerData = new GridData();
    spacerData.heightHint = hBarRight.getSize().y;
    spacer.setVisible(false);
    parent.setBackground(leftTable.getBackground());

    shell.setSize(600, 400);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:JavascriptExec.java

public static void main(String[] args) {
    final String html = "<html><title>Snippet</title><body><p id='myid'>Best Friends</p><p id='myid2'>Cat and Dog</p></body></html>";
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    final Browser browser = new Browser(shell, SWT.BORDER);
    Composite comp = new Composite(shell, SWT.NONE);
    comp.setLayout(new FillLayout(SWT.VERTICAL));
    final Text text = new Text(comp, SWT.MULTI);
    text.setText("var newNode = document.createElement('P'); \r\n"
            + "var text = document.createTextNode('At least when I am around');\r\n"
            + "newNode.appendChild(text);\r\n" + "document.getElementById('myid').appendChild(newNode);\r\n"
            + "\r\n" + "document.bgColor='yellow';");
    final Button button = new Button(comp, SWT.PUSH);
    button.setText("Execute Script");
    button.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {
            boolean result = browser.execute(text.getText());
            if (!result) {
                /* Script may fail or may not be supported on certain platforms. */
                System.out.println("Script was not executed.");
            }//from w ww  .  ja  va  2 s.c  o m
        }
    });
    browser.setText(html);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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  ww.ja  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(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();
}

From source file:CompositeCreateDisposeChildren.java

public static void main(String args[]) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Push");
    pageComposite = new Composite(shell, SWT.NONE);
    pageComposite.setLayout(new GridLayout());
    pageComposite.setLayoutData(new GridData());

    button.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {
            if ((pageComposite != null) && (!pageComposite.isDisposed())) {
                pageComposite.dispose();
            }/*from  ww  w. j  a v a2s .  c o m*/
            pageComposite = new Composite(shell, SWT.NONE);
            pageComposite.setLayout(new GridLayout());
            pageComposite.setLayoutData(new GridData());
            if (pageNum++ % 2 == 0) {
                Table table = new Table(pageComposite, SWT.BORDER);
                table.setLayoutData(new GridData());
                for (int i = 0; i < 5; i++) {
                    new TableItem(table, SWT.NONE).setText("table item " + i);
                }
            } else {
                new Button(pageComposite, SWT.RADIO).setText("radio");
            }
            shell.layout(true);
        }
    });

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

From source file:org.eclipse.swt.snippets.Snippet300.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("SWT and Swing DND Example");
    GridLayout layout = new GridLayout(1, false);
    shell.setLayout(layout);//from  www.  j av a 2  s .c o m

    Text swtText = new Text(shell, SWT.BORDER);
    swtText.setText("SWT Text");
    GridData data = new GridData(GridData.FILL_HORIZONTAL);
    swtText.setLayoutData(data);
    setDragDrop(swtText);

    Composite comp = new Composite(shell, SWT.EMBEDDED);
    java.awt.Frame frame = SWT_AWT.new_Frame(comp);
    JTextField swingText = new JTextField(40);
    swingText.setText("Swing Text");
    swingText.setDragEnabled(true);
    frame.add(swingText);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = swingText.getPreferredSize().height;
    comp.setLayoutData(data);

    shell.setSize(400, 200);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet161.java

public static void main(String[] args) {
    final String html = "<html><title>Snippet</title><body><p id='myid'>Best Friends</p><p id='myid2'>Cat and Dog</p></body></html>";
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 161");
    shell.setLayout(new FillLayout());
    final Browser browser;
    try {/*from www  . j a v  a  2  s .  c  o  m*/
        browser = new Browser(shell, SWT.BORDER);
    } catch (SWTError e) {
        System.out.println("Could not instantiate Browser: " + e.getMessage());
        display.dispose();
        return;
    }
    Composite comp = new Composite(shell, SWT.NONE);
    comp.setLayout(new FillLayout(SWT.VERTICAL));
    final Text text = new Text(comp, SWT.MULTI);
    text.setText("var newNode = document.createElement('P'); \r\n"
            + "var text = document.createTextNode('At least when I am around');\r\n"
            + "newNode.appendChild(text);\r\n" + "document.getElementById('myid').appendChild(newNode);\r\n"
            + "\r\n" + "document.bgColor='yellow';");
    final Button button = new Button(comp, SWT.PUSH);
    button.setText("Execute Script");
    button.addListener(SWT.Selection, event -> {
        boolean result = browser.execute(text.getText());
        if (!result) {
            /* Script may fail or may not be supported on certain platforms. */
            System.out.println("Script was not executed.");
        }
    });
    browser.setText(html);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet333.java

public static void main(String[] arg) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Skin example");
    shell.setLayout(new GridLayout());

    Group container = new Group(shell, SWT.None);
    container.setText("Container");
    container.setLayout(new GridLayout(3, false));

    Composite child1 = new Composite(container, SWT.BORDER);
    child1.setLayout(new GridLayout());
    new Label(child1, SWT.NONE).setText("Label in pane 1");

    Composite child2 = new Composite(container, SWT.BORDER);
    child2.setLayout(new GridLayout());
    new Button(child2, SWT.PUSH).setText("Button in pane2");

    final Composite child3 = new Composite(container, SWT.BORDER);
    child3.setLayout(new GridLayout());
    new Text(child3, SWT.BORDER).setText("Text in pane3");

    display.addListener(SWT.Skin, event -> {
        System.out.println("Skin: " + event.widget);
        setBackground(event.display, (Control) event.widget);
    });//from w w  w  .  ja va2 s  . c  om

    Composite buttonContainer = new Composite(shell, SWT.NONE);
    buttonContainer.setLayout(new GridLayout(3, false));
    Button reskin = new Button(buttonContainer, SWT.PUSH);
    reskin.setText("Reskin All");
    reskin.addSelectionListener(widgetSelectedAdapter(e -> {
        System.out.println("=======");
        shell.reskin(SWT.ALL);
    }));
    Button reskin2 = new Button(buttonContainer, SWT.PUSH);
    reskin2.setText("Reskin Shell");
    reskin2.addSelectionListener(widgetSelectedAdapter(e -> {
        System.out.println("=======");
        shell.reskin(SWT.None);
    }));
    Button reskin3 = new Button(buttonContainer, SWT.PUSH);
    reskin3.setText("Reskin Right Composite");
    reskin3.addSelectionListener(widgetSelectedAdapter(e -> {
        System.out.println("=======");
        child3.reskin(SWT.ALL);
    }));

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

From source file:org.eclipse.swt.snippets.Snippet282.java

public static void main(String[] args) {
    final Display display = new Display();
    final Clipboard clipboard = new Clipboard(display);
    final Shell shell = new Shell(display, SWT.SHELL_TRIM);
    shell.setText("Snippet 282");
    shell.setLayout(new GridLayout());
    shell.setText("Clipboard ImageTransfer");

    final Button imageButton = new Button(shell, SWT.NONE);
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    gd.minimumHeight = 400;//w ww  .  j a  va2s.  c o  m
    gd.minimumWidth = 600;
    imageButton.setLayoutData(gd);

    final Text imageText = new Text(shell, SWT.BORDER);
    imageText.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));

    Composite buttons = new Composite(shell, SWT.NONE);
    buttons.setLayout(new GridLayout(4, true));
    Button button = new Button(buttons, SWT.PUSH);
    button.setText("Open");
    button.addListener(SWT.Selection, event -> {
        FileDialog dialog = new FileDialog(shell, SWT.OPEN);
        dialog.setText("Open an image file or cancel");
        String string = dialog.open();
        if (string != null) {
            imageButton.setText("");
            Image image = imageButton.getImage();
            if (image != null)
                image.dispose();
            image = new Image(display, string);
            imageButton.setImage(image);
            imageText.setText(string);
        }
    });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Copy");
    button.addListener(SWT.Selection, event -> {
        Image image = imageButton.getImage();
        if (image != null) {
            ImageTransfer imageTransfer = ImageTransfer.getInstance();
            TextTransfer textTransfer = TextTransfer.getInstance();
            clipboard.setContents(new Object[] { image.getImageData(), imageText.getText() },
                    new Transfer[] { imageTransfer, textTransfer });
        }
    });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Paste");
    button.addListener(SWT.Selection, event -> {
        ImageData imageData = (ImageData) clipboard.getContents(ImageTransfer.getInstance());
        if (imageData != null) {
            imageButton.setText("");
            Image image = imageButton.getImage();
            if (image != null)
                image.dispose();
            image = new Image(display, imageData);
            imageButton.setImage(image);
        } else {
            imageButton.setText("No image");
            imageButton.setImage(null);
        }
        String text = (String) clipboard.getContents(TextTransfer.getInstance());
        if (text != null) {
            imageText.setText(text);
        } else {
            imageText.setText("");
        }
    });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Clear");
    button.addListener(SWT.Selection, event -> {
        imageButton.setText("");
        Image image = imageButton.getImage();
        if (image != null)
            image.dispose();
        imageButton.setImage(null);
        imageText.setText("");
    });

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