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:org.eclipse.swt.examples.ole.win32.OLEExample.java

public void open(Display display) {
    Shell shell = new Shell(display);
    shell.setText("OLE Example");
    shell.setLayout(new FillLayout());

    Composite parent = new Composite(shell, SWT.NONE);
    parent.setLayout(new GridLayout(4, true));

    Composite buttons = new Composite(parent, SWT.NONE);
    buttons.setLayout(new GridLayout());
    GridData gridData = new GridData(SWT.BEGINNING, SWT.FILL, false, false);
    buttons.setLayoutData(gridData);/*  w  w w .  ja v a2 s.  c  o  m*/

    Composite displayArea = new Composite(parent, SWT.BORDER);
    displayArea.setLayout(new FillLayout());
    displayArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1));

    Button excelButton = new Button(buttons, SWT.RADIO);
    excelButton.setText("New Excel Sheet");
    excelButton.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
        if (((Button) e.widget).getSelection())
            newClientSite("Excel.Sheet");
    }));
    Button mediaPlayerButton = new Button(buttons, SWT.RADIO);
    mediaPlayerButton.setText("New MPlayer");
    mediaPlayerButton.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
        if (((Button) e.widget).getSelection())
            newClientSite("MPlayer");
    }));
    Button powerPointButton = new Button(buttons, SWT.RADIO);
    powerPointButton.setText("New PowerPoint Slide");
    powerPointButton.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
        if (((Button) e.widget).getSelection())
            newClientSite("PowerPoint.Slide");
    }));
    Button wordButton = new Button(buttons, SWT.RADIO);
    wordButton.setText("New Word Document");
    wordButton.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
        if (((Button) e.widget).getSelection())
            newClientSite("Word.Document");
    }));
    new Label(buttons, SWT.NONE);
    Button openButton = new Button(buttons, SWT.RADIO);
    openButton.setText("Open file...");
    openButton.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
        if (((Button) e.widget).getSelection())
            fileOpen();
    }));
    new Label(buttons, SWT.NONE);
    closeButton = new Button(buttons, SWT.RADIO);
    closeButton.setText("Close file");
    closeButton.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
        if (((Button) e.widget).getSelection())
            disposeClient();
    }));
    closeButton.setSelection(true);

    oleFrame = new OleFrame(displayArea, SWT.NONE);
    addFileMenu(oleFrame);

    shell.setSize(800, 600);
    shell.open();

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

From source file:AddressBook.java

/**
 * Creates the page contents/*from  ww w. j  av  a  2s .co m*/
 * 
 * @param parent
 *            the parent composite
 */
public void createControl(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayout(new GridLayout(2, false));

    // Create the label and text field for first name
    new Label(composite, SWT.LEFT).setText("First Name:");
    final Text first = new Text(composite, SWT.BORDER);
    first.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Create the label and text field for last name
    new Label(composite, SWT.LEFT).setText("Last Name:");
    final Text last = new Text(composite, SWT.BORDER);
    last.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Add the handler to update the first name based on input
    first.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent event) {
            firstName = first.getText();
            setPageComplete(firstName.length() > 0 && lastName.length() > 0);
        }
    });

    // Add the handler to update the last name based on input
    last.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent event) {
            lastName = last.getText();
            setPageComplete(firstName.length() > 0 && lastName.length() > 0);
        }
    });

    setControl(composite);
}

From source file:ClipboardExample.java

void createFileTransfer(Composite copyParent, Composite pasteParent) {
    // File Transfer
    Label l = new Label(copyParent, SWT.NONE);
    l.setText("FileTransfer:"); //$NON-NLS-1$

    Composite c = new Composite(copyParent, SWT.NONE);
    c.setLayout(new GridLayout(2, false));
    GridData data = new GridData(GridData.FILL_HORIZONTAL);
    c.setLayoutData(data);/*from w  w w.  j  a  va  2s . c  o  m*/

    copyFileTable = new Table(c, SWT.MULTI | SWT.BORDER);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = data.widthHint = SIZE;
    data.horizontalSpan = 2;
    copyFileTable.setLayoutData(data);

    Button b = new Button(c, SWT.PUSH);
    b.setText("Select file(s)");
    b.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            FileDialog dialog = new FileDialog(shell, SWT.OPEN | SWT.MULTI);
            String result = dialog.open();
            if (result != null && result.length() > 0) {
                // copyFileTable.removeAll();
                String separator = System.getProperty("file.separator");
                String path = dialog.getFilterPath();
                String[] names = dialog.getFileNames();
                for (int i = 0; i < names.length; i++) {
                    TableItem item = new TableItem(copyFileTable, SWT.NONE);
                    item.setText(path + separator + names[i]);
                }
            }
        }
    });
    b = new Button(c, SWT.PUSH);
    b.setText("Select directory");
    b.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent 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(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            TableItem[] items = copyFileTable.getItems();
            if (items.length > 0) {
                status.setText("");
                String[] data = new String[items.length];
                for (int i = 0; i < data.length; i++) {
                    data[i] = items[i].getText();
                }
                clipboard.setContents(new Object[] { data }, new Transfer[] { FileTransfer.getInstance() });
            } else {
                status.setText("nothing to copy");
            }
        }
    });

    l = new Label(pasteParent, SWT.NONE);
    l.setText("FileTransfer:"); //$NON-NLS-1$
    pasteFileTable = new Table(pasteParent, SWT.MULTI | SWT.BORDER);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = data.widthHint = SIZE;
    pasteFileTable.setLayoutData(data);
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            String[] data = (String[]) clipboard.getContents(FileTransfer.getInstance());
            if (data != null && data.length > 0) {
                status.setText("");
                pasteFileTable.removeAll();
                for (int i = 0; i < data.length; i++) {
                    TableItem item = new TableItem(pasteFileTable, SWT.NONE);
                    item.setText(data[i]);
                }
            } else {
                status.setText("nothing to paste");
            }
        }
    });
}

From source file:AddressBookDemo.java

private void createLine(Composite parent, int ncol) {
    Label line = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL | SWT.BOLD);
    GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = ncol;//from ww  w . j  av  a 2  s.  com
    line.setLayoutData(gridData);
}

From source file:org.eclipse.swt.examples.layoutexample.FormLayoutTab.java

/**
 * Creates the control widgets.//  w  ww  .j a  va 2s .  c  o  m
 */
@Override
void createControlWidgets() {
    /* Controls the margins and spacing of the FormLayout */
    Group marginGroup = new Group(controlGroup, SWT.NONE);
    marginGroup.setText(LayoutExample.getResourceString("Margins_Spacing"));
    marginGroup.setLayout(new GridLayout(2, false));
    marginGroup.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
    new Label(marginGroup, SWT.NONE).setText("marginWidth");
    marginWidth = new Spinner(marginGroup, SWT.BORDER);
    marginWidth.setSelection(0);
    marginWidth.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("marginHeight");
    marginHeight = new Spinner(marginGroup, SWT.BORDER);
    marginHeight.setSelection(0);
    marginHeight.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("marginLeft");
    marginLeft = new Spinner(marginGroup, SWT.BORDER);
    marginLeft.setSelection(0);
    marginLeft.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("marginRight");
    marginRight = new Spinner(marginGroup, SWT.BORDER);
    marginRight.setSelection(0);
    marginRight.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("marginTop");
    marginTop = new Spinner(marginGroup, SWT.BORDER);
    marginTop.setSelection(0);
    marginTop.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("marginBottom");
    marginBottom = new Spinner(marginGroup, SWT.BORDER);
    marginBottom.setSelection(0);
    marginBottom.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("spacing");
    spacing = new Spinner(marginGroup, SWT.BORDER);
    spacing.setSelection(0);
    spacing.addSelectionListener(selectionListener);

    /* Add common controls */
    super.createControlWidgets();
}

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

void createHTMLTransfer(Composite copyParent, Composite pasteParent) {
    //   HTML Transfer
    Label l = new Label(copyParent, SWT.NONE);
    l.setText("HTMLTransfer:"); //$NON-NLS-1$
    final Text copyHtmlText = new Text(copyParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    copyHtmlText.setText("<b>Hello World</b>");
    GridData data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;//from  w  w w.j av  a 2 s.  c o m
    data.heightHint = VSIZE;
    copyHtmlText.setLayoutData(data);
    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String textData = copyHtmlText.getText();
        if (textData.length() > 0) {
            status.setText("");
            clipboard.setContents(new Object[] { textData }, new Transfer[] { HTMLTransfer.getInstance() });
        } else {
            status.setText("No HTML to copy");
        }
    }));

    l = new Label(pasteParent, SWT.NONE);
    l.setText("HTMLTransfer:"); //$NON-NLS-1$
    final Text pasteHtmlText = 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;
    pasteHtmlText.setLayoutData(data);
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String textData = (String) clipboard.getContents(HTMLTransfer.getInstance());
        if (textData != null && textData.length() > 0) {
            status.setText("");
            pasteHtmlText.setText("start paste>" + textData + "<end paste");
        } else {
            status.setText("No HTML to paste");
        }
    }));
}

From source file:GraphicsExample.java

void createToolBar(final Composite parent) {
    final Display display = parent.getDisplay();

    toolBar = new ToolBar(parent, SWT.FLAT);
    Listener toolBarListener = new Listener() {
        public void handleEvent(Event event) {
            switch (event.type) {
            case SWT.Selection: {
                if (event.widget == playItem) {
                    animate = true;//from   w  w w  . j a  va2  s  .  c o  m
                    playItem.setEnabled(!animate);
                    pauseItem.setEnabled(animate);
                } else if (event.widget == pauseItem) {
                    animate = false;
                    playItem.setEnabled(!animate);
                    pauseItem.setEnabled(animate);
                } else if (event.widget == backItem) {
                    final ToolItem toolItem = (ToolItem) event.widget;
                    final ToolBar toolBar = toolItem.getParent();
                    Rectangle toolItemBounds = toolItem.getBounds();
                    Point point = toolBar.toDisplay(new Point(toolItemBounds.x, toolItemBounds.y));
                    backMenu.setLocation(point.x, point.y + toolItemBounds.height);
                    backMenu.setVisible(true);
                }
            }
                break;
            }
        }
    };

    playItem = new ToolItem(toolBar, SWT.PUSH);
    playItem.setText(getResourceString("Play")); //$NON-NLS-1$
    playItem.setImage(loadImage(display, "play.gif")); //$NON-NLS-1$
    playItem.addListener(SWT.Selection, toolBarListener);

    pauseItem = new ToolItem(toolBar, SWT.PUSH);
    pauseItem.setText(getResourceString("Pause")); //$NON-NLS-1$
    pauseItem.setImage(loadImage(display, "pause.gif")); //$NON-NLS-1$
    pauseItem.addListener(SWT.Selection, toolBarListener);

    backItem = new ToolItem(toolBar, SWT.PUSH);
    backItem.setText(getResourceString("Background")); //$NON-NLS-1$
    backItem.addListener(SWT.Selection, toolBarListener);
    String[] names = new String[] { getResourceString("White"), //$NON-NLS-1$
            getResourceString("Black"), //$NON-NLS-1$
            getResourceString("Red"), //$NON-NLS-1$
            getResourceString("Green"), //$NON-NLS-1$
            getResourceString("Blue"), //$NON-NLS-1$
            getResourceString("CustomColor"), //$NON-NLS-1$
    };
    Color[] colors = new Color[] { display.getSystemColor(SWT.COLOR_WHITE),
            display.getSystemColor(SWT.COLOR_BLACK), display.getSystemColor(SWT.COLOR_RED),
            display.getSystemColor(SWT.COLOR_GREEN), display.getSystemColor(SWT.COLOR_BLUE), null, };
    backMenu = new Menu(parent);
    Listener listener = new Listener() {
        public void handleEvent(Event event) {
            MenuItem item = (MenuItem) event.widget;
            if (customMI == item) {
                ColorDialog dialog = new ColorDialog(parent.getShell());
                RGB rgb = dialog.open();
                if (rgb == null)
                    return;
                if (customColor != null)
                    customColor.dispose();
                customColor = new Color(display, rgb);
                if (customImage != null)
                    customImage.dispose();
                customImage = createImage(display, customColor);
                item.setData(new Object[] { customColor, customImage });
                item.setImage(customImage);
            }
            tabBackground = (Object[]) item.getData();
            backItem.setImage((Image) tabBackground[1]);
            canvas.redraw();
        }
    };
    for (int i = 0; i < names.length; i++) {
        MenuItem item = new MenuItem(backMenu, SWT.NONE);
        item.setText(names[i]);
        item.addListener(SWT.Selection, listener);
        Image image = null;
        if (colors[i] != null) {
            image = createImage(display, colors[i]);
            images.addElement(image);
            item.setImage(image);
        } else {
            // custom menu item
            customMI = item;
        }
        item.setData(new Object[] { colors[i], image });
        if (tabBackground == null) {
            tabBackground = (Object[]) item.getData();
            backItem.setImage((Image) tabBackground[1]);
        }
    }

    dbItem = new ToolItem(toolBar, SWT.CHECK);
    dbItem.setText(getResourceString("DoubleBuffer")); //$NON-NLS-1$
    dbItem.setImage(loadImage(display, "db.gif")); //$NON-NLS-1$

    ToolItem separator = new ToolItem(toolBar, SWT.SEPARATOR);
    Composite comp = new Composite(toolBar, SWT.NONE);
    GridData data;
    GridLayout layout = new GridLayout(1, false);
    layout.verticalSpacing = 0;
    layout.marginWidth = layout.marginHeight = 3;
    comp.setLayout(layout);
    timerSpinner = new Spinner(comp, SWT.BORDER | SWT.WRAP);
    data = new GridData(SWT.CENTER, SWT.CENTER, false, false);
    timerSpinner.setLayoutData(data);
    Label label = new Label(comp, SWT.NONE);
    label.setText(getResourceString("Animation")); //$NON-NLS-1$
    data = new GridData(SWT.CENTER, SWT.CENTER, false, false);
    label.setLayoutData(data);
    timerSpinner.setMaximum(1000);
    timerSpinner.setSelection(TIMER);
    timerSpinner.setSelection(TIMER);
    separator.setControl(comp);
    separator.setWidth(comp.computeSize(SWT.DEFAULT, SWT.DEFAULT).x);
}

From source file:org.eclipse.swt.examples.layoutexample.GridLayoutTab.java

/**
 * Creates the control widgets./*from w  w w.j a va2 s  . c  om*/
 */
@Override
void createControlWidgets() {
    /* Controls the columns in the GridLayout */
    Group columnGroup = new Group(controlGroup, SWT.NONE);
    columnGroup.setText(LayoutExample.getResourceString("Columns"));
    columnGroup.setLayout(new GridLayout(2, false));
    columnGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
    new Label(columnGroup, SWT.NONE).setText("numColumns");
    numColumns = new Spinner(columnGroup, SWT.BORDER);
    numColumns.setMinimum(1);
    numColumns.addSelectionListener(selectionListener);
    makeColumnsEqualWidth = new Button(columnGroup, SWT.CHECK);
    makeColumnsEqualWidth.setText("makeColumnsEqualWidth");
    makeColumnsEqualWidth.addSelectionListener(selectionListener);
    makeColumnsEqualWidth.setEnabled(false);
    makeColumnsEqualWidth.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 2, 1));

    /* Controls the margins and spacing of the GridLayout */
    Group marginGroup = new Group(controlGroup, SWT.NONE);
    marginGroup.setText(LayoutExample.getResourceString("Margins_Spacing"));
    marginGroup.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
    marginGroup.setLayout(new GridLayout(2, false));
    new Label(marginGroup, SWT.NONE).setText("marginWidth");
    marginWidth = new Spinner(marginGroup, SWT.BORDER);
    marginWidth.setSelection(5);
    marginWidth.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("marginHeight");
    marginHeight = new Spinner(marginGroup, SWT.BORDER);
    marginHeight.setSelection(5);
    marginHeight.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("marginLeft");
    marginLeft = new Spinner(marginGroup, SWT.BORDER);
    marginLeft.setSelection(0);
    marginLeft.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("marginRight");
    marginRight = new Spinner(marginGroup, SWT.BORDER);
    marginRight.setSelection(0);
    marginRight.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("marginTop");
    marginTop = new Spinner(marginGroup, SWT.BORDER);
    marginTop.setSelection(0);
    marginTop.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("marginBottom");
    marginBottom = new Spinner(marginGroup, SWT.BORDER);
    marginBottom.setSelection(0);
    marginBottom.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("horizontalSpacing");
    horizontalSpacing = new Spinner(marginGroup, SWT.BORDER);
    horizontalSpacing.setSelection(5);
    horizontalSpacing.addSelectionListener(selectionListener);
    new Label(marginGroup, SWT.NONE).setText("verticalSpacing");
    verticalSpacing = new Spinner(marginGroup, SWT.BORDER);
    verticalSpacing.setSelection(5);
    verticalSpacing.addSelectionListener(selectionListener);

    /* Add common controls */
    super.createControlWidgets();
    controlGroup.pack();
}

From source file:ImageAnalyzer.java

void createWidgets() {
    // Add the widgets to the shell in a grid layout.
    GridLayout layout = new GridLayout();
    layout.marginHeight = 0;//from  ww w  .  j a  v a  2s  .  c  o m
    layout.numColumns = 2;
    shell.setLayout(layout);

    // Separate the menu bar from the rest of the widgets.
    Label separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    GridData gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    separator.setLayoutData(gridData);

    // Add a composite to contain some control widgets across the top.
    Composite controls = new Composite(shell, SWT.NULL);
    RowLayout rowLayout = new RowLayout();
    rowLayout.marginTop = 0;
    rowLayout.marginBottom = 5;
    rowLayout.spacing = 8;
    controls.setLayout(rowLayout);
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    controls.setLayoutData(gridData);

    // Combo to change the background.
    Group group = new Group(controls, SWT.NULL);
    group.setLayout(new RowLayout());
    group.setText("Background");
    backgroundCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
    backgroundCombo.setItems(new String[] { "None", "White", "Black", "Red", "Green", "Blue" });
    backgroundCombo.select(backgroundCombo.indexOf("White"));
    backgroundCombo.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            changeBackground();
        }
    });

    // Combo to change the x scale.
    String[] values = { "0.1", "0.2", "0.3", "0.4", "0.5", "0.6", "0.7", "0.8", "0.9", "1", "1.1", "1.2", "1.3",
            "1.4", "1.5", "1.6", "1.7", "1.8", "1.9", "2", "3", "4", "5", "6", "7", "8", "9", "10", };
    group = new Group(controls, SWT.NULL);
    group.setLayout(new RowLayout());
    group.setText("X_scale");
    scaleXCombo = new Combo(group, SWT.DROP_DOWN);
    for (int i = 0; i < values.length; i++) {
        scaleXCombo.add(values[i]);
    }
    scaleXCombo.select(scaleXCombo.indexOf("1"));
    scaleXCombo.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            scaleX();
        }
    });

    // Combo to change the y scale.
    group = new Group(controls, SWT.NULL);
    group.setLayout(new RowLayout());
    group.setText("Y_scale");
    scaleYCombo = new Combo(group, SWT.DROP_DOWN);
    for (int i = 0; i < values.length; i++) {
        scaleYCombo.add(values[i]);
    }
    scaleYCombo.select(scaleYCombo.indexOf("1"));
    scaleYCombo.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            scaleY();
        }
    });

    // Combo to change the alpha value.
    group = new Group(controls, SWT.NULL);
    group.setLayout(new RowLayout());
    group.setText("Alpha_K");
    alphaCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
    for (int i = 0; i <= 255; i += 5) {
        alphaCombo.add(String.valueOf(i));
    }
    alphaCombo.select(alphaCombo.indexOf("255"));
    alphaCombo.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            alpha();
        }
    });

    // Check box to request incremental display.
    group = new Group(controls, SWT.NULL);
    group.setLayout(new RowLayout());
    group.setText("Display");
    incrementalCheck = new Button(group, SWT.CHECK);
    incrementalCheck.setText("Incremental");
    incrementalCheck.setSelection(incremental);
    incrementalCheck.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            incremental = ((Button) event.widget).getSelection();
        }
    });

    // Check box to request transparent display.
    transparentCheck = new Button(group, SWT.CHECK);
    transparentCheck.setText("Transparent");
    transparentCheck.setSelection(transparent);
    transparentCheck.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            transparent = ((Button) event.widget).getSelection();
            if (image != null) {
                imageCanvas.redraw();
            }
        }
    });

    // Check box to request mask display.
    maskCheck = new Button(group, SWT.CHECK);
    maskCheck.setText("Mask");
    maskCheck.setSelection(showMask);
    maskCheck.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            showMask = ((Button) event.widget).getSelection();
            if (image != null) {
                imageCanvas.redraw();
            }
        }
    });

    // Check box to request background display.
    backgroundCheck = new Button(group, SWT.CHECK);
    backgroundCheck.setText("Background");
    backgroundCheck.setSelection(showBackground);
    backgroundCheck.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            showBackground = ((Button) event.widget).getSelection();
        }
    });

    // Group the animation buttons.
    group = new Group(controls, SWT.NULL);
    group.setLayout(new RowLayout());
    group.setText("Animation");

    // Push button to display the previous image in a multi-image file.
    previousButton = new Button(group, SWT.PUSH);
    previousButton.setText("Previous");
    previousButton.setEnabled(false);
    previousButton.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            previous();
        }
    });

    // Push button to display the next image in a multi-image file.
    nextButton = new Button(group, SWT.PUSH);
    nextButton.setText("Next");
    nextButton.setEnabled(false);
    nextButton.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            next();
        }
    });

    // Push button to toggle animation of a multi-image file.
    animateButton = new Button(group, SWT.PUSH);
    animateButton.setText("Animate");
    animateButton.setEnabled(false);
    animateButton.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            animate();
        }
    });

    // Label to show the image file type.
    typeLabel = new Label(shell, SWT.NULL);
    typeLabel.setText("Type_initial");
    typeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Canvas to show the image.
    imageCanvas = new Canvas(shell, SWT.V_SCROLL | SWT.H_SCROLL | SWT.NO_REDRAW_RESIZE);
    imageCanvas.setBackground(whiteColor);
    imageCanvas.setCursor(crossCursor);
    gridData = new GridData();
    gridData.verticalSpan = 15;
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    gridData.grabExcessHorizontalSpace = true;
    gridData.grabExcessVerticalSpace = true;
    imageCanvas.setLayoutData(gridData);
    imageCanvas.addPaintListener(new PaintListener() {
        public void paintControl(PaintEvent event) {
            if (image != null)
                paintImage(event);
        }
    });
    imageCanvas.addMouseMoveListener(new MouseMoveListener() {
        public void mouseMove(MouseEvent event) {
            if (image != null) {
                showColorAt(event.x, event.y);
            }
        }
    });

    // Set up the image canvas scroll bars.
    ScrollBar horizontal = imageCanvas.getHorizontalBar();
    horizontal.setVisible(true);
    horizontal.setMinimum(0);
    horizontal.setEnabled(false);
    horizontal.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            scrollHorizontally((ScrollBar) event.widget);
        }
    });
    ScrollBar vertical = imageCanvas.getVerticalBar();
    vertical.setVisible(true);
    vertical.setMinimum(0);
    vertical.setEnabled(false);
    vertical.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            scrollVertically((ScrollBar) event.widget);
        }
    });

    // Label to show the image size.
    sizeLabel = new Label(shell, SWT.NULL);
    sizeLabel.setText("Size_initial");
    sizeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Label to show the image depth.
    depthLabel = new Label(shell, SWT.NULL);
    depthLabel.setText("Depth_initial");
    depthLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Label to show the transparent pixel.
    transparentPixelLabel = new Label(shell, SWT.NULL);
    transparentPixelLabel.setText("Transparent_pixel_initial");
    transparentPixelLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Label to show the time to load.
    timeToLoadLabel = new Label(shell, SWT.NULL);
    timeToLoadLabel.setText("Time_to_load_initial");
    timeToLoadLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Separate the animation fields from the rest of the fields.
    separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    separator.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Label to show the logical screen size for animation.
    screenSizeLabel = new Label(shell, SWT.NULL);
    screenSizeLabel.setText("Animation_size_initial");
    screenSizeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Label to show the background pixel.
    backgroundPixelLabel = new Label(shell, SWT.NULL);
    backgroundPixelLabel.setText("Background_pixel_initial");
    backgroundPixelLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Label to show the image location (x, y).
    locationLabel = new Label(shell, SWT.NULL);
    locationLabel.setText("Image_location_initial");
    locationLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Label to show the image disposal method.
    disposalMethodLabel = new Label(shell, SWT.NULL);
    disposalMethodLabel.setText("Disposal_initial");
    disposalMethodLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Label to show the image delay time.
    delayTimeLabel = new Label(shell, SWT.NULL);
    delayTimeLabel.setText("Delay_initial");
    delayTimeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Label to show the background pixel.
    repeatCountLabel = new Label(shell, SWT.NULL);
    repeatCountLabel.setText("Repeats_initial");
    repeatCountLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Separate the animation fields from the palette.
    separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    separator.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Label to show if the image has a direct or indexed palette.
    paletteLabel = new Label(shell, SWT.NULL);
    paletteLabel.setText("Palette_initial");
    paletteLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    // Canvas to show the image's palette.
    paletteCanvas = new Canvas(shell, SWT.BORDER | SWT.V_SCROLL | SWT.NO_REDRAW_RESIZE);
    paletteCanvas.setFont(fixedWidthFont);
    paletteCanvas.getVerticalBar().setVisible(true);
    gridData = new GridData();
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    GC gc = new GC(paletteLabel);
    paletteWidth = gc.stringExtent("Max_length_string").x;
    gc.dispose();
    gridData.widthHint = paletteWidth;
    gridData.heightHint = 16 * 11; // show at least 16 colors
    paletteCanvas.setLayoutData(gridData);
    paletteCanvas.addPaintListener(new PaintListener() {
        public void paintControl(PaintEvent event) {
            if (image != null)
                paintPalette(event);
        }
    });

    // Set up the palette canvas scroll bar.
    vertical = paletteCanvas.getVerticalBar();
    vertical.setVisible(true);
    vertical.setMinimum(0);
    vertical.setIncrement(10);
    vertical.setEnabled(false);
    vertical.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            scrollPalette((ScrollBar) event.widget);
        }
    });

    // Sash to see more of image or image data.
    sash = new Sash(shell, SWT.HORIZONTAL);
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    sash.setLayoutData(gridData);
    sash.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            if (event.detail != SWT.DRAG) {
                ((GridData) paletteCanvas.getLayoutData()).heightHint = SWT.DEFAULT;
                Rectangle paletteCanvasBounds = paletteCanvas.getBounds();
                int minY = paletteCanvasBounds.y + 20;
                Rectangle dataLabelBounds = dataLabel.getBounds();
                int maxY = statusLabel.getBounds().y - dataLabelBounds.height - 20;
                if (event.y > minY && event.y < maxY) {
                    Rectangle oldSash = sash.getBounds();
                    sash.setBounds(event.x, event.y, event.width, event.height);
                    int diff = event.y - oldSash.y;
                    Rectangle bounds = imageCanvas.getBounds();
                    imageCanvas.setBounds(bounds.x, bounds.y, bounds.width, bounds.height + diff);
                    bounds = paletteCanvasBounds;
                    paletteCanvas.setBounds(bounds.x, bounds.y, bounds.width, bounds.height + diff);
                    bounds = dataLabelBounds;
                    dataLabel.setBounds(bounds.x, bounds.y + diff, bounds.width, bounds.height);
                    bounds = dataText.getBounds();
                    dataText.setBounds(bounds.x, bounds.y + diff, bounds.width, bounds.height - diff);
                    // shell.layout(true);
                }
            }
        }
    });

    // Label to show data-specific fields.
    dataLabel = new Label(shell, SWT.NULL);
    dataLabel.setText("Pixel_data_initial");
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    dataLabel.setLayoutData(gridData);

    // Text to show a dump of the data.
    dataText = new StyledText(shell, SWT.BORDER | SWT.MULTI | SWT.READ_ONLY | SWT.V_SCROLL | SWT.H_SCROLL);
    dataText.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
    dataText.setFont(fixedWidthFont);
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    gridData.heightHint = 128;
    gridData.grabExcessVerticalSpace = true;
    dataText.setLayoutData(gridData);
    dataText.addMouseListener(new MouseAdapter() {
        public void mouseDown(MouseEvent event) {
            if (image != null && event.button == 1) {
                showColorForData();
            }
        }
    });
    dataText.addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent event) {
            if (image != null) {
                showColorForData();
            }
        }
    });

    // Label to show status and cursor location in image.
    statusLabel = new Label(shell, SWT.NULL);
    statusLabel.setText("");
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    statusLabel.setLayoutData(gridData);
}

From source file:com.android.ddmuilib.HeapPanel.java

/**
 * Create our control(s)./*w  w w  .j  ava 2s.co m*/
 */
@Override
protected Control createControl(Composite parent) {
    mDisplay = parent.getDisplay();

    GridLayout gl;

    mTop = new Composite(parent, SWT.NONE);
    mTop.setLayout(new GridLayout(1, false));
    mTop.setLayoutData(new GridData(GridData.FILL_BOTH));

    mUpdateStatus = new Label(mTop, SWT.NONE);
    setUpdateStatus(NOT_SELECTED);

    Composite summarySection = new Composite(mTop, SWT.NONE);
    summarySection.setLayout(gl = new GridLayout(2, false));
    gl.marginHeight = gl.marginWidth = 0;

    mHeapSummary = createSummaryTable(summarySection);
    mGcButton = new Button(summarySection, SWT.PUSH);
    mGcButton.setText("Cause GC");
    mGcButton.setEnabled(false);
    mGcButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            Client client = getCurrentClient();
            if (client != null) {
                client.executeGarbageCollector();
            }
        }
    });

    Composite comboSection = new Composite(mTop, SWT.NONE);
    gl = new GridLayout(2, false);
    gl.marginHeight = gl.marginWidth = 0;
    comboSection.setLayout(gl);

    Label displayLabel = new Label(comboSection, SWT.NONE);
    displayLabel.setText("Display: ");

    mDisplayMode = new Combo(comboSection, SWT.READ_ONLY);
    mDisplayMode.setEnabled(false);
    mDisplayMode.add("Stats");
    if (DISPLAY_HEAP_BITMAP) {
        mDisplayMode.add("Linear");
        if (DISPLAY_HILBERT_BITMAP) {
            mDisplayMode.add("Hilbert");
        }
    }

    // the base of the displays.
    mDisplayBase = new Composite(mTop, SWT.NONE);
    mDisplayBase.setLayoutData(new GridData(GridData.FILL_BOTH));
    mDisplayStack = new StackLayout();
    mDisplayBase.setLayout(mDisplayStack);

    // create the statistics display
    mStatisticsBase = new Composite(mDisplayBase, SWT.NONE);
    //mStatisticsBase.setLayoutData(new GridData(GridData.FILL_BOTH));
    mStatisticsBase.setLayout(gl = new GridLayout(1, false));
    gl.marginHeight = gl.marginWidth = 0;
    mDisplayStack.topControl = mStatisticsBase;

    mStatisticsTable = createDetailedTable(mStatisticsBase);
    mStatisticsTable.setLayoutData(new GridData(GridData.FILL_BOTH));

    createChart();

    //create the linear composite
    mLinearBase = new Composite(mDisplayBase, SWT.NONE);
    //mLinearBase.setLayoutData(new GridData());
    gl = new GridLayout(1, false);
    gl.marginHeight = gl.marginWidth = 0;
    mLinearBase.setLayout(gl);

    {
        mLinearHeapImage = new Label(mLinearBase, SWT.NONE);
        mLinearHeapImage.setLayoutData(new GridData());
        mLinearHeapImage.setImage(ImageLoader.createPlaceHolderArt(mDisplay, PLACEHOLDER_LINEAR_H_SIZE,
                PLACEHOLDER_LINEAR_V_SIZE, mDisplay.getSystemColor(SWT.COLOR_BLUE)));

        // create a composite to contain the bottom part (legend)
        Composite bottomSection = new Composite(mLinearBase, SWT.NONE);
        gl = new GridLayout(1, false);
        gl.marginHeight = gl.marginWidth = 0;
        bottomSection.setLayout(gl);

        createLegend(bottomSection);
    }

    /*
            mScrolledComposite = new ScrolledComposite(mTop, SWT.H_SCROLL | SWT.V_SCROLL);
            mScrolledComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
            mScrolledComposite.setExpandHorizontal(true);
            mScrolledComposite.setExpandVertical(true);
            mScrolledComposite.setContent(mDisplayBase);
    */

    // create the hilbert display.
    mHilbertBase = new Composite(mDisplayBase, SWT.NONE);
    //mHilbertBase.setLayoutData(new GridData());
    gl = new GridLayout(2, false);
    gl.marginHeight = gl.marginWidth = 0;
    mHilbertBase.setLayout(gl);

    if (DISPLAY_HILBERT_BITMAP) {
        mHilbertHeapImage = new Label(mHilbertBase, SWT.NONE);
        mHilbertHeapImage.setLayoutData(new GridData());
        mHilbertHeapImage.setImage(ImageLoader.createPlaceHolderArt(mDisplay, PLACEHOLDER_HILBERT_SIZE,
                PLACEHOLDER_HILBERT_SIZE, mDisplay.getSystemColor(SWT.COLOR_BLUE)));

        // create a composite to contain the right part (legend + zoom)
        Composite rightSection = new Composite(mHilbertBase, SWT.NONE);
        gl = new GridLayout(1, false);
        gl.marginHeight = gl.marginWidth = 0;
        rightSection.setLayout(gl);

        Composite zoomComposite = new Composite(rightSection, SWT.NONE);
        gl = new GridLayout(2, false);
        zoomComposite.setLayout(gl);

        Label l = new Label(zoomComposite, SWT.NONE);
        l.setText("Zoom:");
        mZoom = new Combo(zoomComposite, SWT.READ_ONLY);
        for (int z : ZOOMS) {
            mZoom.add(String.format("%1$d%%", z)); //$NON-NLS-1$
        }

        mZoom.select(0);
        mZoom.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                setLegendText(mZoom.getSelectionIndex());
                Client client = getCurrentClient();
                if (client != null) {
                    renderHeapData(client.getClientData(), 1, true);
                    mTop.pack();
                }
            }
        });

        createLegend(rightSection);
    }
    mHilbertBase.pack();

    mLayout = new Composite[] { mStatisticsBase, mLinearBase, mHilbertBase };
    mDisplayMode.select(0);
    mDisplayMode.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            int index = mDisplayMode.getSelectionIndex();
            Client client = getCurrentClient();

            if (client != null) {
                if (index == 0) {
                    fillDetailedTable(client, true /* forceRedraw */);
                } else {
                    renderHeapData(client.getClientData(), index - 1, true /* forceRedraw */);
                }
            }

            mDisplayStack.topControl = mLayout[index];
            //mScrolledComposite.setMinSize(mDisplayStack.topControl.computeSize(SWT.DEFAULT,
            //        SWT.DEFAULT));
            mDisplayBase.layout();
            //mScrolledComposite.redraw();
        }
    });

    //mScrolledComposite.setMinSize(mDisplayStack.topControl.computeSize(SWT.DEFAULT,
    //        SWT.DEFAULT));
    mDisplayBase.layout();
    //mScrolledComposite.redraw();

    return mTop;
}