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

Introduction

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

Prototype

public void setText(String text) 

Source Link

Document

Sets the receiver's text.

Usage

From source file:org.pentaho.di.ui.spoon.trans.TransPerfDelegate.java

/**
 * Tell the user that the transformation is not running or that there is no monitoring configured.
 *///from w ww  . j  a v  a  2  s  . co  m
private void showEmptyGraph() {
    if (perfComposite.isDisposed()) {
        return;
    }

    emptyGraph = true;

    Label label = new Label(perfComposite, SWT.CENTER);
    label.setText(BaseMessages.getString(PKG, "TransLog.Dialog.PerformanceMonitoringNotEnabled.Message"));
    label.setBackground(perfComposite.getBackground());
    label.setFont(GUIResource.getInstance().getFontMedium());

    FormData fdLabel = new FormData();
    fdLabel.left = new FormAttachment(5, 0);
    fdLabel.right = new FormAttachment(95, 0);
    fdLabel.top = new FormAttachment(5, 0);
    label.setLayoutData(fdLabel);

    Button button = new Button(perfComposite, SWT.CENTER);
    button.setText(BaseMessages.getString(PKG, "TransLog.Dialog.PerformanceMonitoring.Button"));
    button.setBackground(perfComposite.getBackground());
    button.setFont(GUIResource.getInstance().getFontMedium());

    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            TransGraph.editProperties(spoon.getActiveTransformation(), spoon, spoon.rep, true,
                    TransDialog.Tabs.MONITOR_TAB);
        }
    });

    FormData fdButton = new FormData();
    fdButton.left = new FormAttachment(40, 0);
    fdButton.right = new FormAttachment(60, 0);
    fdButton.top = new FormAttachment(label, 5);
    button.setLayoutData(fdButton);

    perfComposite.layout(true, true);
}

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From source file:AddressBookDemo.java

public void createControl(Composite parent) {
    Composite container = new Composite(parent, SWT.NULL);
    GridLayout layout = new GridLayout();
    container.setLayout(layout);//from w w  w .  ja  v  a 2 s.c o  m
    layout.numColumns = 2;
    layout.verticalSpacing = 9;

    Label label = new Label(container, SWT.NULL);
    label.setText("&Given Name:");

    givenNameText = new Text(container, SWT.BORDER | SWT.SINGLE);

    GridData gd = new GridData(GridData.FILL_HORIZONTAL);
    givenNameText.setLayoutData(gd);
    givenNameText.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent e) {
            dialogChanged();
        }
    });

    label = new Label(container, SWT.NULL);
    label.setText("&Family Name:");

    familyNameText = new Text(container, SWT.BORDER | SWT.SINGLE);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    familyNameText.setLayoutData(gd);
    familyNameText.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent e) {
            dialogChanged();
        }
    });

    label = new Label(container, SWT.NULL);
    label.setText("&Nickname:");

    nickNameText = new Text(container, SWT.BORDER | SWT.SINGLE);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    nickNameText.setLayoutData(gd);

    createLine(container, layout.numColumns);

    label = new Label(container, SWT.NULL);
    label.setText("&Business Phone:");

    businessPhoneText = new Text(container, SWT.BORDER | SWT.SINGLE);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    businessPhoneText.setLayoutData(gd);

    label = new Label(container, SWT.NULL);
    label.setText("&Home Phone:");

    homePhoneText = new Text(container, SWT.BORDER | SWT.SINGLE);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    homePhoneText.setLayoutData(gd);

    createLine(container, layout.numColumns);

    label = new Label(container, SWT.NULL);
    label.setText("&E-Mail Address:");

    emailText = new Text(container, SWT.BORDER | SWT.SINGLE);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    emailText.setLayoutData(gd);
    emailText.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent e) {
            dialogChanged();
        }
    });

    // dialogChanged();
    setControl(container);
}

---

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

void createControlTransfer(Composite parent) {
    // TODO: CCombo and Spinner also have cut(), copy() and paste() API
    Label l = new Label(parent, SWT.NONE);
    l.setText("Text:");
    Button b = new Button(parent, SWT.PUSH);
    b.setText("Cut");
    b.addSelectionListener(widgetSelectedAdapter(e -> text.cut()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> text.copy()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> text.paste()));
    text = new Text(parent, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    GridData data = new GridData(GridData.FILL_HORIZONTAL);
    data.widthHint = HSIZE;/*  w  w w . ja v a2  s . c  o  m*/
    data.heightHint = VSIZE;
    text.setLayoutData(data);

    l = new Label(parent, SWT.NONE);
    l.setText("Combo:");
    b = new Button(parent, SWT.PUSH);
    b.setText("Cut");
    b.addSelectionListener(widgetSelectedAdapter(e -> combo.cut()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> combo.copy()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> combo.paste()));
    combo = new Combo(parent, SWT.NONE);
    combo.setItems("Item 1", "Item 2", "Item 3", "A longer Item");
    combo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    l = new Label(parent, SWT.NONE);
    l.setText("StyledText:");
    b = new Button(parent, SWT.PUSH);
    b.setText("Cut");
    b.addSelectionListener(widgetSelectedAdapter(e -> styledText.cut()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> styledText.copy()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> styledText.paste()));
    styledText = new StyledText(parent, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    styledText.setLayoutData(data);
}

---

From source file:SendMessage.java

/**
 * Creates the main window's contents// w  w  w .  j a  v a 2s . c om
 * 
 * @param parent the main window
 * @return Control
 */
protected Control createContents(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayout(new GridLayout(5, true));

    // Create a big text box for the message text
    final Text text = new Text(composite, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
    GridData data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = 5;
    text.setLayoutData(data);

    // Create the Confirm button
    Button confirm = new Button(composite, SWT.PUSH);
    confirm.setText("Confirm");
    confirm.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Create the Error button
    Button error = new Button(composite, SWT.PUSH);
    error.setText("Error");
    error.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Create the Information button
    Button information = new Button(composite, SWT.PUSH);
    information.setText("Information");
    information.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Create the Question button
    Button question = new Button(composite, SWT.PUSH);
    question.setText("Question");
    question.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Create the Warning button
    Button warning = new Button(composite, SWT.PUSH);
    warning.setText("Warning");
    warning.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Create the label to display the return value
    final Label label = new Label(composite, SWT.NONE);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 5;
    label.setLayoutData(data);

    // Save ourselves some typing
    final Shell shell = parent.getShell();

    // Display a Confirmation dialog
    confirm.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            boolean b = MessageDialog.openConfirm(shell, "Confirm", text.getText());
            label.setText("Returned " + Boolean.toString(b));
        }
    });

    // Display an Error dialog
    error.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            MessageDialog.openError(shell, "Error", text.getText());
            label.setText("Returned void");
        }
    });

    // Display an Information dialog
    information.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            MessageDialog.openInformation(shell, "Information", text.getText());
            label.setText("Returned void");
        }
    });

    // Display a Question dialog
    question.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            boolean b = MessageDialog.openQuestion(shell, "Question", text.getText());
            label.setText("Returned " + Boolean.toString(b));
        }
    });

    // Display a Warning dialog
    warning.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            MessageDialog.openWarning(shell, "Warning", text.getText());
            label.setText("Returned void");
        }
    });

    return composite;
}

---

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

void createRTFTransfer(Composite copyParent, Composite pasteParent) {
    //   RTF Transfer
    Label l = new Label(copyParent, SWT.NONE);
    l.setText("RTFTransfer:"); //$NON-NLS-1$
    final Text copyRtfText = new Text(copyParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    copyRtfText.setText("some\nrtf\ntext");
    GridData data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;//from   ww w .jav a 2  s.c  o  m
    data.heightHint = VSIZE;
    copyRtfText.setLayoutData(data);
    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String textData = copyRtfText.getText();
        if (textData.length() > 0) {
            status.setText("");
            StringBuilder buffer = new StringBuilder();
            buffer.append("{\\rtf1\\ansi\\uc1{\\colortbl;\\red255\\green0\\blue0;}\\uc1\\b\\i ");
            for (int i = 0; i < textData.length(); i++) {
                char ch = textData.charAt(i);
                if (ch > 0xFF) {
                    buffer.append("\\u");
                    buffer.append(Integer.toString((short) ch));
                    buffer.append('?');
                } else {
                    if (ch == '}' || ch == '{' || ch == '\\') {
                        buffer.append('\\');
                    }
                    buffer.append(ch);
                    if (ch == '\n')
                        buffer.append("\\par ");
                    if (ch == '\r' && (i - 1 == textData.length() || textData.charAt(i + 1) != '\n')) {
                        buffer.append("\\par ");
                    }
                }
            }
            buffer.append("}");
            clipboard.setContents(new Object[] { buffer.toString() },
                    new Transfer[] { RTFTransfer.getInstance() });
        } else {
            status.setText("No RTF to copy");
        }
    }));

    l = new Label(pasteParent, SWT.NONE);
    l.setText("RTFTransfer:"); //$NON-NLS-1$
    final Text pasteRtfText = new Text(pasteParent,
            SWT.READ_ONLY | SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    pasteRtfText.setLayoutData(data);
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String textData = (String) clipboard.getContents(RTFTransfer.getInstance());
        if (textData != null && textData.length() > 0) {
            status.setText("");
            pasteRtfText.setText("start paste>" + textData + "<end paste");
        } else {
            status.setText("No RTF to paste");
        }
    }));
}

---

From source file:at.ac.tuwien.inso.subcat.ui.widgets.DistributionView.java

private void addOptionConfiguration(DistributionChartOptionConfigData config) {
    assert (config != null);
    assert (config.getAttributes() != null);

    if (config.getAttributes().getData().size() == 0) {
        return;//from   w  ww  .j  ava2s .co m
    }

    if (optionCount > 0) {
        Helper.separator(optionComposite, 3);
    }

    ChartIdentifier identifier = new ChartIdentifier(config.getConfig(), optionCount);
    identifiers.add(identifier);

    Label lblTitle = new Label(optionComposite, SWT.NONE);
    lblTitle.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
    Helper.setLabelStyle(lblTitle, SWT.BOLD);
    lblTitle.setText(config.getName());

    Iterator<DropDownData> filterIter = config.getFilter().iterator();
    if (filterIter.hasNext()) {
        Combo filterCombo = new Combo(optionComposite, SWT.DROP_DOWN | SWT.READ_ONLY);
        filterCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
        fillCombo(filterCombo, filterIter.next(), identifier);
        identifier.filter.add(filterCombo);
    } else {
        new Label(optionComposite, SWT.NONE);
    }

    Combo attCombo = new Combo(optionComposite, SWT.DROP_DOWN | SWT.READ_ONLY);
    fillAttributeCombo(attCombo, config.getAttributes(), identifier);
    attCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
    identifier.attributes = attCombo;

    while (filterIter.hasNext()) {
        new Label(optionComposite, SWT.NONE);
        Combo filterCombo = new Combo(optionComposite, SWT.DROP_DOWN | SWT.READ_ONLY);
        filterCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
        new Label(optionComposite, SWT.NONE);

        fillCombo(filterCombo, filterIter.next(), identifier);
        identifier.filter.add(filterCombo);
    }

    identifier.paint = drawingSupplier.getNextPaint();
    optionCount++;
}

---

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

void createFileTransfer(Composite copyParent, Composite pasteParent) {
    //File Transfer
    Label l = new Label(copyParent, SWT.NONE);
    l.setText("FileTransfer:"); //$NON-NLS-1$
    GridData data = new GridData();
    data.verticalSpan = 3;/*ww w.j  a va  2  s  . c  o m*/
    l.setLayoutData(data);

    final Table copyFileTable = new Table(copyParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    data.verticalSpan = 3;
    copyFileTable.setLayoutData(data);

    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Select file(s)");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        FileDialog dialog = new FileDialog(shell, SWT.OPEN | SWT.MULTI);
        String result = dialog.open();
        if (result != null && result.length() > 0) {
            String path = dialog.getFilterPath();
            String[] names = dialog.getFileNames();
            for (String name : names) {
                TableItem item = new TableItem(copyFileTable, SWT.NONE);
                item.setText(path + File.separator + name);
            }
        }
    }));
    b = new Button(copyParent, SWT.PUSH);
    b.setText("Select directory");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        DirectoryDialog dialog = new DirectoryDialog(shell, SWT.OPEN);
        String result = dialog.open();
        if (result != null && result.length() > 0) {
            //copyFileTable.removeAll();
            TableItem item = new TableItem(copyFileTable, SWT.NONE);
            item.setText(result);
        }
    }));

    b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        TableItem[] items = copyFileTable.getItems();
        if (items.length > 0) {
            status.setText("");
            String[] itemsData = new String[items.length];
            for (int i = 0; i < itemsData.length; i++) {
                itemsData[i] = items[i].getText();
            }
            clipboard.setContents(new Object[] { itemsData }, new Transfer[] { FileTransfer.getInstance() });
        } else {
            status.setText("No file to copy");
        }
    }));

    l = new Label(pasteParent, SWT.NONE);
    l.setText("FileTransfer:"); //$NON-NLS-1$
    final Table pasteFileTable = new Table(pasteParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    pasteFileTable.setLayoutData(data);
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String[] textData = (String[]) clipboard.getContents(FileTransfer.getInstance());
        if (textData != null && textData.length > 0) {
            status.setText("");
            pasteFileTable.removeAll();
            for (String element : textData) {
                TableItem item = new TableItem(pasteFileTable, SWT.NONE);
                item.setText(element);
            }
        } else {
            status.setText("No file to paste");
        }
    }));
}

---

From source file:ShowMessageBox.java

/**
 * Creates the main window's contents/*from w  ww.j a  v a2  s . com*/
 * 
 * @param shell the parent shell
 */
private void createContents(final Shell shell) {
    shell.setLayout(new GridLayout(2, false));

    // Create the dropdown to allow icon selection
    new Label(shell, SWT.NONE).setText("Icon:");
    final Combo icons = new Combo(shell, SWT.DROP_DOWN | SWT.READ_ONLY);
    for (int i = 0, n = ICONS.length; i < n; i++)
        icons.add(ICONS[i]);
    icons.select(0);

    // Create the dropdown to allow button selection
    new Label(shell, SWT.NONE).setText("Buttons:");
    final Combo buttons = new Combo(shell, SWT.DROP_DOWN | SWT.READ_ONLY);
    for (int i = 0, n = BUTTONS.length; i < n; i++)
        buttons.add(BUTTONS[i]);
    buttons.select(0);

    // Create the entry field for the message
    new Label(shell, SWT.NONE).setText("Message:");
    final Text message = new Text(shell, SWT.BORDER);
    message.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Create the label to show the return from the open call
    new Label(shell, SWT.NONE).setText("Return:");
    final Label returnVal = new Label(shell, SWT.NONE);
    returnVal.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Create the button and event handler
    // to display the message box
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Show Message");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            // Clear any previously returned value
            returnVal.setText("");

            // This will hold the style to pass to the MessageBox constructor
            int style = 0;

            // Determine which icon was selected and
            // add it to the style
            switch (icons.getSelectionIndex()) {
            case 0:
                style |= SWT.ICON_ERROR;
                break;
            case 1:
                style |= SWT.ICON_INFORMATION;
                break;
            case 2:
                style |= SWT.ICON_QUESTION;
                break;
            case 3:
                style |= SWT.ICON_WARNING;
                break;
            case 4:
                style |= SWT.ICON_WORKING;
                break;
            }

            // Determine which set of buttons was selected
            // and add it to the style
            switch (buttons.getSelectionIndex()) {
            case 0:
                style |= SWT.OK;
                break;
            case 1:
                style |= SWT.OK | SWT.CANCEL;
                break;
            case 2:
                style |= SWT.YES | SWT.NO;
                break;
            case 3:
                style |= SWT.YES | SWT.NO | SWT.CANCEL;
                break;
            case 4:
                style |= SWT.RETRY | SWT.CANCEL;
                break;
            case 5:
                style |= SWT.ABORT | SWT.RETRY | SWT.IGNORE;
                break;
            }

            // Display the message box
            MessageBox mb = new MessageBox(shell, style);
            mb.setText("Message from SWT");
            mb.setMessage(message.getText());
            int val = mb.open();
            String valString = "";
            switch (val) // val contains the constant of the selected button
            {
            case SWT.OK:
                valString = "SWT.OK";
                break;
            case SWT.CANCEL:
                valString = "SWT.CANCEL";
                break;
            case SWT.YES:
                valString = "SWT.YES";
                break;
            case SWT.NO:
                valString = "SWT.NO";
                break;
            case SWT.RETRY:
                valString = "SWT.RETRY";
                break;
            case SWT.ABORT:
                valString = "SWT.ABORT";
                break;
            case SWT.IGNORE:
                valString = "SWT.IGNORE";
                break;
            }
            returnVal.setText(valString);
        }
    });
}

---

From source file:at.ac.tuwien.inso.subcat.ui.widgets.DistributionChart.java

private void addOptionConfiguration(DistributionChartOptionConfigData config, List<String> flags) {
    assert (config != null);
    assert (config.getAttributes() != null);

    if (config.getAttributes().getData().size() == 0) {
        return;/*from  www . j  a  v a  2 s .c  o m*/
    }

    if (optionCount > 0) {
        Helper.separator(optionComposite, 3);
    }

    ChartIdentifier identifier = new ChartIdentifier(config.getConfig(), optionCount);
    identifiers.add(identifier);

    Label lblTitle = new Label(optionComposite, SWT.NONE);
    lblTitle.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
    Helper.setLabelStyle(lblTitle, SWT.BOLD);
    lblTitle.setText(config.getName());

    DropDownData firstDropdownData = null;
    Iterator<DropDownData> filterIter = config.getFilter().iterator();
    while (filterIter.hasNext()) {
        DropDownData data = filterIter.next();
        if (data.getConfig().show(flags)) {
            firstDropdownData = data;
            break;
        }
    }

    if (firstDropdownData != null) {
        Combo filterCombo = new Combo(optionComposite, SWT.DROP_DOWN | SWT.READ_ONLY);
        filterCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
        fillCombo(filterCombo, firstDropdownData, identifier);
        identifier.filter.add(filterCombo);
    } else {
        new Label(optionComposite, SWT.NONE);
    }

    Combo attCombo = new Combo(optionComposite, SWT.DROP_DOWN | SWT.READ_ONLY);
    fillAttributeCombo(attCombo, config.getAttributes(), flags, identifier);
    attCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
    identifier.attributes = attCombo;

    while (filterIter.hasNext()) {
        DropDownData iterValue = filterIter.next();
        if (iterValue.getConfig().show(flags)) {
            new Label(optionComposite, SWT.NONE);
            Combo filterCombo = new Combo(optionComposite, SWT.DROP_DOWN | SWT.READ_ONLY);
            filterCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
            new Label(optionComposite, SWT.NONE);

            fillCombo(filterCombo, iterValue, identifier);
            identifier.filter.add(filterCombo);
        }
    }

    identifier.paint = drawingSupplier.getNextPaint();
    optionCount++;
}

---

From source file:org.eclipse.swt.examples.paint.PaintExample.java

/**
 * Creates the GUI.// w  w  w  . j  a va 2s. c o  m
 */
public void createGUI(Composite parent) {
    GridLayout gridLayout;
    GridData gridData;

    /*** Create principal GUI layout elements ***/
    Composite displayArea = new Composite(parent, SWT.NONE);
    gridLayout = new GridLayout();
    gridLayout.numColumns = 1;
    displayArea.setLayout(gridLayout);

    // Creating these elements here avoids the need to instantiate the GUI elements
    // in strict layout order.  The natural layout ordering is an artifact of using
    // SWT layouts, but unfortunately it is not the same order as that required to
    // instantiate all of the non-GUI application elements to satisfy referential
    // dependencies.  It is possible to reorder the initialization to some extent, but
    // this can be very tedious.

    // paint canvas
    final Canvas paintCanvas = new Canvas(displayArea,
            SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.NO_REDRAW_RESIZE | SWT.NO_BACKGROUND);
    gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL);
    paintCanvas.setLayoutData(gridData);
    paintCanvas.setBackground(paintColorWhite);

    // color selector frame
    final Composite colorFrame = new Composite(displayArea, SWT.NONE);
    gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
    colorFrame.setLayoutData(gridData);

    // tool settings frame
    final Composite toolSettingsFrame = new Composite(displayArea, SWT.NONE);
    gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
    toolSettingsFrame.setLayoutData(gridData);

    // status text
    final Text statusText = new Text(displayArea, SWT.BORDER | SWT.SINGLE | SWT.READ_ONLY);
    gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
    statusText.setLayoutData(gridData);

    /*** Create the remaining application elements inside the principal GUI layout elements ***/
    // paintSurface
    paintSurface = new PaintSurface(paintCanvas, statusText, paintColorWhite);

    // finish initializing the tool data
    tools[Pencil_tool].data = new PencilTool(toolSettings, paintSurface);
    tools[Airbrush_tool].data = new AirbrushTool(toolSettings, paintSurface);
    tools[Line_tool].data = new LineTool(toolSettings, paintSurface);
    tools[PolyLine_tool].data = new PolyLineTool(toolSettings, paintSurface);
    tools[Rectangle_tool].data = new RectangleTool(toolSettings, paintSurface);
    tools[RoundedRectangle_tool].data = new RoundedRectangleTool(toolSettings, paintSurface);
    tools[Ellipse_tool].data = new EllipseTool(toolSettings, paintSurface);
    tools[Text_tool].data = new TextTool(toolSettings, paintSurface);

    // colorFrame
    gridLayout = new GridLayout();
    gridLayout.numColumns = 3;
    gridLayout.marginHeight = 0;
    gridLayout.marginWidth = 0;
    colorFrame.setLayout(gridLayout);

    // activeForegroundColorCanvas, activeBackgroundColorCanvas
    activeForegroundColorCanvas = new Canvas(colorFrame, SWT.BORDER);
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
    gridData.heightHint = 24;
    gridData.widthHint = 24;
    activeForegroundColorCanvas.setLayoutData(gridData);

    activeBackgroundColorCanvas = new Canvas(colorFrame, SWT.BORDER);
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
    gridData.heightHint = 24;
    gridData.widthHint = 24;
    activeBackgroundColorCanvas.setLayoutData(gridData);

    // paletteCanvas
    final Canvas paletteCanvas = new Canvas(colorFrame, SWT.BORDER | SWT.NO_BACKGROUND);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.heightHint = 24;
    paletteCanvas.setLayoutData(gridData);
    paletteCanvas.addListener(SWT.MouseDown, new Listener() {
        @Override
        public void handleEvent(Event e) {
            Rectangle bounds = paletteCanvas.getClientArea();
            Color color = getColorAt(bounds, e.x, e.y);

            if (e.button == 1)
                setForegroundColor(color);
            else
                setBackgroundColor(color);
        }

        private Color getColorAt(Rectangle bounds, int x, int y) {
            if (bounds.height <= 1 && bounds.width <= 1)
                return paintColorWhite;
            final int row = (y - bounds.y) * numPaletteRows / bounds.height;
            final int col = (x - bounds.x) * numPaletteCols / bounds.width;
            return paintColors[Math.min(Math.max(row * numPaletteCols + col, 0), paintColors.length - 1)];
        }
    });
    Listener refreshListener = e -> {
        if (e.gc == null)
            return;
        Rectangle bounds = paletteCanvas.getClientArea();
        for (int row = 0; row < numPaletteRows; ++row) {
            for (int col = 0; col < numPaletteCols; ++col) {
                final int x = bounds.width * col / numPaletteCols;
                final int y = bounds.height * row / numPaletteRows;
                final int width = Math.max(bounds.width * (col + 1) / numPaletteCols - x, 1);
                final int height = Math.max(bounds.height * (row + 1) / numPaletteRows - y, 1);
                e.gc.setBackground(paintColors[row * numPaletteCols + col]);
                e.gc.fillRectangle(bounds.x + x, bounds.y + y, width, height);
            }
        }
    };
    paletteCanvas.addListener(SWT.Resize, refreshListener);
    paletteCanvas.addListener(SWT.Paint, refreshListener);
    //paletteCanvas.redraw();

    // toolSettingsFrame
    gridLayout = new GridLayout();
    gridLayout.numColumns = 4;
    gridLayout.marginHeight = 0;
    gridLayout.marginWidth = 0;
    toolSettingsFrame.setLayout(gridLayout);

    Label label = new Label(toolSettingsFrame, SWT.NONE);
    label.setText(getResourceString("settings.AirbrushRadius.text"));

    final Scale airbrushRadiusScale = new Scale(toolSettingsFrame, SWT.HORIZONTAL);
    airbrushRadiusScale.setMinimum(5);
    airbrushRadiusScale.setMaximum(50);
    airbrushRadiusScale.setSelection(toolSettings.airbrushRadius);
    airbrushRadiusScale.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL));
    airbrushRadiusScale.addSelectionListener(widgetSelectedAdapter(e -> {
        toolSettings.airbrushRadius = airbrushRadiusScale.getSelection();
        updateToolSettings();
    }));

    label = new Label(toolSettingsFrame, SWT.NONE);
    label.setText(getResourceString("settings.AirbrushIntensity.text"));

    final Scale airbrushIntensityScale = new Scale(toolSettingsFrame, SWT.HORIZONTAL);
    airbrushIntensityScale.setMinimum(1);
    airbrushIntensityScale.setMaximum(100);
    airbrushIntensityScale.setSelection(toolSettings.airbrushIntensity);
    airbrushIntensityScale.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL));
    airbrushIntensityScale.addSelectionListener(widgetSelectedAdapter(e -> {
        toolSettings.airbrushIntensity = airbrushIntensityScale.getSelection();
        updateToolSettings();
    }));
}

---

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