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

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

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Introduction

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

Prototype

public Label(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:SystemFileTree.java

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

    RGB color = shell.getBackground().getRGB();
    Label separator1 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    Label locationLb = new Label(shell, SWT.NONE);
    locationLb.setText("Location:");
    Composite locationComp = new Composite(shell, SWT.EMBEDDED);
    Label separator2 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    final Composite comp = new Composite(shell, SWT.NONE);
    final Tree fileTree = new Tree(comp, SWT.SINGLE | SWT.BORDER);
    Sash sash = new Sash(comp, SWT.VERTICAL);
    Composite tableComp = new Composite(comp, SWT.EMBEDDED);
    Label separator3 = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    Composite statusComp = new Composite(shell, SWT.EMBEDDED);

    java.awt.Frame locationFrame = SWT_AWT.new_Frame(locationComp);
    final java.awt.TextField locationText = new java.awt.TextField();
    locationFrame.add(locationText);//from  w w  w.  j  a  va 2  s.c o m

    java.awt.Frame statusFrame = SWT_AWT.new_Frame(statusComp);
    statusFrame.setBackground(new java.awt.Color(color.red, color.green, color.blue));
    final java.awt.Label statusLabel = new java.awt.Label();
    statusFrame.add(statusLabel);
    statusLabel.setText("Select a file");

    sash.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {
            if (e.detail == SWT.DRAG)
                return;
            GridData data = (GridData) fileTree.getLayoutData();
            Rectangle trim = fileTree.computeTrim(0, 0, 0, 0);
            data.widthHint = e.x - trim.width;
            comp.layout();
        }
    });

    File[] roots = File.listRoots();
    for (int i = 0; i < roots.length; i++) {
        File file = roots[i];
        TreeItem treeItem = new TreeItem(fileTree, SWT.NONE);
        treeItem.setText(file.getAbsolutePath());
        treeItem.setData(file);
        new TreeItem(treeItem, SWT.NONE);
    }
    fileTree.addListener(SWT.Expand, new Listener() {
        public void handleEvent(Event e) {
            TreeItem item = (TreeItem) e.item;
            if (item == null)
                return;
            if (item.getItemCount() == 1) {
                TreeItem firstItem = item.getItems()[0];
                if (firstItem.getData() != null)
                    return;
                firstItem.dispose();
            } else {
                return;
            }
            File root = (File) item.getData();
            File[] files = root.listFiles();
            if (files == null)
                return;
            for (int i = 0; i < files.length; i++) {
                File file = files[i];
                if (file.isDirectory()) {
                    TreeItem treeItem = new TreeItem(item, SWT.NONE);
                    treeItem.setText(file.getName());
                    treeItem.setData(file);
                    new TreeItem(treeItem, SWT.NONE);
                }
            }
        }
    });
    fileTree.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {
            TreeItem item = (TreeItem) e.item;
            if (item == null)
                return;
            final File root = (File) item.getData();
            statusLabel.setText(root.getAbsolutePath());
            locationText.setText(root.getAbsolutePath());
        }
    });

    GridLayout layout = new GridLayout(4, false);
    layout.marginWidth = layout.marginHeight = 0;
    layout.horizontalSpacing = layout.verticalSpacing = 1;
    shell.setLayout(layout);
    GridData data;
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator1.setLayoutData(data);
    data = new GridData();
    data.horizontalSpan = 1;
    data.horizontalIndent = 10;
    locationLb.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    data.heightHint = locationText.getPreferredSize().height;
    locationComp.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 1;
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator2.setLayoutData(data);
    data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 4;
    comp.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    separator3.setLayoutData(data);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 4;
    data.heightHint = statusLabel.getPreferredSize().height;
    statusComp.setLayoutData(data);

    layout = new GridLayout(3, false);
    layout.marginWidth = layout.marginHeight = 0;
    layout.horizontalSpacing = layout.verticalSpacing = 1;
    comp.setLayout(layout);
    data = new GridData(GridData.FILL_VERTICAL);
    data.widthHint = 200;
    fileTree.setLayoutData(data);
    data = new GridData(GridData.FILL_VERTICAL);
    sash.setLayoutData(data);
    data = new GridData(GridData.FILL_BOTH);
    tableComp.setLayoutData(data);

    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  ww  w .ja v a  2 s  .c o 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:org.eclipse.swt.snippets.Snippet144.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 144");
    shell.setLayout(new RowLayout(SWT.VERTICAL));
    final Table table = new Table(shell, SWT.VIRTUAL | SWT.BORDER);
    table.addListener(SWT.SetData, event -> {
        TableItem item = (TableItem) event.item;
        int index = table.indexOf(item);
        item.setText("Item " + index);
        System.out.println(item.getText());
    });//  w  ww.  j av a2s.c  o  m
    table.setLayoutData(new RowData(200, 200));
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Add Items");
    final Label label = new Label(shell, SWT.NONE);
    button.addListener(SWT.Selection, event -> {
        long t1 = System.currentTimeMillis();
        table.setItemCount(COUNT);
        long t2 = System.currentTimeMillis();
        label.setText("Items: " + COUNT + ", Time: " + (t2 - t1) + " (ms)");
        shell.layout();
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:DragDropOperation.java

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

    final Label label = new Label(shell, SWT.BORDER);
    label.setText("Drag Source");
    DragSource source = new DragSource(label, DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK);
    source.setTransfer(new Transfer[] { TextTransfer.getInstance() });
    source.addDragListener(new DragSourceAdapter() {
        public void dragSetData(DragSourceEvent event) {
            event.data = "Text Transferred";
        }//from w  ww. ja v a  2s .  co m

        public void dragFinished(DragSourceEvent event) {
            if (event.doit) {
                String operation = null;
                switch (event.detail) {
                case DND.DROP_MOVE:
                    operation = "moved";
                    break;
                case DND.DROP_COPY:
                    operation = "copied";
                    break;
                case DND.DROP_LINK:
                    operation = "linked";
                    break;
                case DND.DROP_NONE:
                    operation = "disallowed";
                    break;
                default:
                    operation = "unknown";
                    break;
                }
                label.setText("Drag Source (data " + operation + ")");
            } else {
                label.setText("Drag Source (drag cancelled)");
            }
        }
    });

    final Text text = new Text(shell, SWT.BORDER | SWT.MULTI);
    text.setText("Drop Target");
    DropTarget target = new DropTarget(text, DND.DROP_DEFAULT | DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK);
    target.setTransfer(new Transfer[] { TextTransfer.getInstance() });
    target.addDropListener(new DropTargetAdapter() {
        public void dragEnter(DropTargetEvent event) {
            if (event.detail == DND.DROP_DEFAULT)
                event.detail = DND.DROP_COPY;
        }

        public void dragOperationChanged(DropTargetEvent event) {
            if (event.detail == DND.DROP_DEFAULT)
                event.detail = DND.DROP_COPY;
        }

        public void drop(DropTargetEvent event) {
            String operation = null;
            switch (event.detail) {
            case DND.DROP_MOVE:
                operation = "moved";
                break;
            case DND.DROP_COPY:
                operation = "copied";
                break;
            case DND.DROP_LINK:
                operation = "linked";
                break;
            case DND.DROP_NONE:
                operation = "disallowed";
                break;
            default:
                operation = "unknown";
                break;
            }
            text.append("\n" + operation + (String) event.data);
        }
    });

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

From source file:org.eclipse.swt.snippets.Snippet363.java

public static void main(String[] args) {
    Display display = new Display();
    errorIcon = display.getSystemImage(SWT.ICON_ERROR);
    Shell shell = new Shell(display);
    shell.setText("Snippet 363");
    shell.setLayout(new GridLayout(2, false));
    shell.setText("LiveRegion Test");

    icon = new Label(shell, SWT.NONE);
    icon.setLayoutData(new GridData(32, 32));

    liveLabel = new Text(shell, SWT.READ_ONLY);
    GC gc = new GC(liveLabel);
    Point pt = gc.textExtent(errorMessage);
    GridData data = new GridData(SWT.FILL, SWT.CENTER, true, false);
    data.minimumWidth = (int) (pt.x + gc.getFontMetrics().getAverageCharacterWidth() * 2);
    gc.dispose();//ww  w. ja  v a2  s .c  o m
    liveLabel.setLayoutData(data);
    liveLabel.setText("");
    liveLabel.getAccessible().addAccessibleAttributeListener(new AccessibleAttributeAdapter() {
        @Override
        public void getAttributes(AccessibleAttributeEvent e) {
            e.attributes = new String[] { "container-live", "polite", "live", "polite", "container-live-role",
                    "status", };
        }
    });

    final Label textFieldLabel = new Label(shell, SWT.NONE);
    textFieldLabel.setText("Type a number:");
    textFieldLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));

    final Text textField = new Text(shell, SWT.SINGLE | SWT.BORDER);
    textField.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));

    final Button okButton = new Button(shell, SWT.PUSH);
    okButton.setText("OK");
    okButton.setLayoutData(new GridData(SWT.END, SWT.CENTER, false, false, 2, 1));
    okButton.setEnabled(false);

    textField.addModifyListener(e -> {
        boolean isNumber = false;
        String textValue = textField.getText();
        try {
            Integer.parseInt(textValue);
            isNumber = true;
            setMessageText(false, "Thank-you");
        } catch (NumberFormatException ex) {
            if (textValue.isEmpty()) {
                setMessageText(false, "");
            } else {
                setMessageText(true, "Error: Number expected.");
            }
        }
        okButton.setEnabled(isNumber);
    });

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

From source file:Snippet251.java

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

    Button open = new Button(shell, SWT.PUSH);
    open.setText("Open Dialog");
    open.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            final Shell dialog = new Shell(shell, SWT.DIALOG_TRIM);
            dialog.setLayout(new GridLayout(3, false));

            final DateTime calendar = new DateTime(dialog, SWT.CALENDAR | SWT.BORDER);
            final DateTime date = new DateTime(dialog, SWT.DATE | SWT.SHORT);
            final DateTime time = new DateTime(dialog, SWT.TIME | SWT.SHORT);

            new Label(dialog, SWT.NONE);
            new Label(dialog, SWT.NONE);
            Button ok = new Button(dialog, SWT.PUSH);
            ok.setText("OK");
            ok.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
            ok.addSelectionListener(new SelectionAdapter() {
                public void widgetSelected(SelectionEvent e) {
                    System.out.println("Calendar date selected (MM/DD/YYYY) = " + (calendar.getMonth() + 1)
                            + "/" + calendar.getDay() + "/" + calendar.getYear());
                    System.out.println(
                            "Date selected (MM/YYYY) = " + (date.getMonth() + 1) + "/" + date.getYear());
                    System.out.println("Time selected (HH:MM) = " + time.getHours() + ":" + time.getMinutes());
                    dialog.close();//from w  w w .j a  v  a2s .  c o  m
                }
            });
            dialog.setDefaultButton(ok);
            dialog.pack();
            dialog.open();
        }
    });
    shell.pack();
    shell.open();

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

From source file:org.eclipse.swt.snippets.Snippet251.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 251");
    shell.setLayout(new FillLayout());

    Button open = new Button(shell, SWT.PUSH);
    open.setText("Open Dialog");
    open.addSelectionListener(widgetSelectedAdapter(e -> {
        final Shell dialog = new Shell(shell, SWT.DIALOG_TRIM);
        dialog.setLayout(new GridLayout(3, false));

        final DateTime calendar = new DateTime(dialog, SWT.CALENDAR | SWT.BORDER);
        final DateTime date = new DateTime(dialog, SWT.DATE | SWT.SHORT);
        final DateTime time = new DateTime(dialog, SWT.TIME | SWT.SHORT);

        new Label(dialog, SWT.NONE);
        new Label(dialog, SWT.NONE);
        Button ok = new Button(dialog, SWT.PUSH);
        ok.setText("OK");
        ok.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
        ok.addSelectionListener(widgetSelectedAdapter(event -> {
            System.out.println("Calendar date selected (MM/DD/YYYY) = " + (calendar.getMonth() + 1) + "/"
                    + calendar.getDay() + "/" + calendar.getYear());
            System.out.println("Date selected (MM/YYYY) = " + (date.getMonth() + 1) + "/" + date.getYear());
            System.out.println("Time selected (HH:MM) = " + time.getHours() + ":"
                    + (time.getMinutes() < 10 ? "0" : "") + time.getMinutes());
            dialog.close();//from  w  ww  . j av  a  2s. c om
        }));
        dialog.setDefaultButton(ok);
        dialog.pack();
        dialog.open();
    }));
    shell.pack();
    shell.open();

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

From source file:org.eclipse.swt.snippets.Snippet249.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 249");
    Rectangle clientArea = shell.getClientArea();
    shell.setBounds(clientArea.x + 10, clientArea.y + 10, 300, 200);
    // create the composite that the pages will share
    final Composite contentPanel = new Composite(shell, SWT.BORDER);
    contentPanel.setBounds(clientArea.x + 100, clientArea.y + 10, 190, 90);
    final StackLayout layout = new StackLayout();
    contentPanel.setLayout(layout);//from   w  w w  . ja  v a2s  . com

    // 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(clientArea.x + 10, clientArea.y + 10, 80, 25);
    pageButton.addListener(SWT.Selection, 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:org.eclipse.swt.snippets.Snippet292.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 292");
    final Group group = new Group(shell, SWT.NONE);
    group.setText("Group");
    group.setLayout(new GridLayout());
    final Tree tree = new Tree(group, SWT.BORDER);
    for (int i = 0; i < 5; i++) {
        TreeItem treeItem = new TreeItem(tree, SWT.NONE);
        treeItem.setText("TreeItem " + i);
        for (int j = 0; j < 3; j++) {
            TreeItem subItem = new TreeItem(treeItem, SWT.NONE);
            subItem.setText("SubItem " + i + "-" + j);
        }/*from   w  ww .j  av  a2 s  .com*/
        if (i % 3 == 0)
            treeItem.setExpanded(true);
    }
    new Button(group, SWT.PUSH).setText("Button");
    final Label label = new Label(shell, SWT.NONE);
    label.addListener(SWT.Dispose, e -> {
        Image image = label.getImage();
        if (image != null)
            image.dispose();
    });
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Snapshot");
    button.addListener(SWT.Selection, e -> {
        Image image = label.getImage();
        if (image != null)
            image.dispose();
        image = new Image(display, group.getBounds());
        GC gc = new GC(image);
        boolean success = group.print(gc);
        gc.dispose();
        label.setImage(image);
        if (!success) {
            MessageBox messageBox = new MessageBox(shell, SWT.OK | SWT.PRIMARY_MODAL);
            messageBox.setMessage("Sorry, taking a snapshot is not supported on your platform");
            messageBox.open();
        }
    });
    GridLayout layout = new GridLayout(2, true);
    shell.setLayout(layout);
    group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    label.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    button.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
    shell.pack();
    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  .  java2s  . 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();
}