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

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

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Introduction

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

Prototype


public Button(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:IconInMemory.java

public static void main(String[] args) {
    Display display = new Display();
    Color red = display.getSystemColor(SWT.COLOR_RED);
    Color white = display.getSystemColor(SWT.COLOR_WHITE);
    Color black = display.getSystemColor(SWT.COLOR_BLACK);

    Image image = new Image(display, 20, 20);
    GC gc = new GC(image);
    gc.setBackground(red);/*from   w ww. j  ava  2 s . c  om*/
    gc.fillRectangle(5, 5, 10, 10);
    gc.dispose();
    ImageData imageData = image.getImageData();

    PaletteData palette = new PaletteData(new RGB[] { new RGB(0, 0, 0), new RGB(0xFF, 0xFF, 0xFF), });
    ImageData maskData = new ImageData(20, 20, 1, palette);
    Image mask = new Image(display, maskData);
    gc = new GC(mask);
    gc.setBackground(black);
    gc.fillRectangle(0, 0, 20, 20);
    gc.setBackground(white);
    gc.fillRectangle(5, 5, 10, 10);
    gc.dispose();
    maskData = mask.getImageData();

    Image icon = new Image(display, imageData, maskData);
    Shell shell = new Shell(display);
    Button button = new Button(shell, SWT.PUSH);
    button.setImage(icon);
    button.setSize(60, 60);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    icon.dispose();
    image.dispose();
    mask.dispose();
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet217.java

public static void main(String[] args) {
    final Display display = new Display();
    Font font = new Font(display, "Tahoma", 16, SWT.NORMAL);
    final Shell shell = new Shell(display);
    shell.setText("Snippet 217");
    shell.setLayout(new GridLayout());
    styledText = new StyledText(shell, SWT.WRAP | SWT.BORDER);
    styledText.setFont(font);/*from   ww  w.j a  v a  2  s .  c o m*/
    styledText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    styledText.setText(text);
    Button button = new Button(styledText, SWT.PUSH);
    button.setText("Button 1");
    int offset = text.indexOf('\uFFFC');
    addControl(button, offset);
    button.setLocation(styledText.getLocationAtOffset(offset));
    Combo combo = new Combo(styledText, SWT.NONE);
    combo.add("item 1");
    combo.add("another item");
    combo.setText(combo.getItem(0));
    offset = text.indexOf('\uFFFC', offset + 1);
    addControl(combo, offset);
    combo.setLocation(styledText.getLocationAtOffset(offset));

    // use a verify listener to dispose the controls
    styledText.addVerifyListener(event -> {
        if (event.start == event.end)
            return;
        String text = styledText.getText(event.start, event.end - 1);
        int index = text.indexOf('\uFFFC');
        while (index != -1) {
            StyleRange style = styledText.getStyleRangeAtOffset(event.start + index);
            if (style != null) {
                Control control = (Control) style.data;
                if (control != null)
                    control.dispose();
            }
            index = text.indexOf('\uFFFC', index + 1);
        }
    });

    // reposition widgets on paint event
    styledText.addPaintObjectListener(event -> {
        Control control = (Control) event.style.data;
        Point pt = control.getSize();
        int x = event.x + MARGIN;
        int y = event.y + event.ascent - 2 * pt.y / 3;
        control.setLocation(x, y);
    });

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

From source file:org.eclipse.swt.snippets.Snippet361.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 361");
    shell.setText("Translate and Rotate an AWT Image in an SWT GUI");
    shell.setLayout(new GridLayout(8, false));

    Button fileButton = new Button(shell, SWT.PUSH);
    fileButton.setText("&Open Image File");
    fileButton.addSelectionListener(widgetSelectedAdapter(e -> {
        String filename = new FileDialog(shell).open();
        if (filename != null) {
            image = Toolkit.getDefaultToolkit().getImage(filename);
            canvas.repaint();/*from w ww .  j  ava  2 s.com*/
        }
    }));

    new Label(shell, SWT.NONE).setText("Translate &X by:");
    final Combo translateXCombo = new Combo(shell, SWT.NONE);
    translateXCombo.setItems("0", "image width", "image height", "100", "200");
    translateXCombo.select(0);
    translateXCombo.addModifyListener(e -> {
        translateX = numericValue(translateXCombo);
        canvas.repaint();
    });

    new Label(shell, SWT.NONE).setText("Translate &Y by:");
    final Combo translateYCombo = new Combo(shell, SWT.NONE);
    translateYCombo.setItems("0", "image width", "image height", "100", "200");
    translateYCombo.select(0);
    translateYCombo.addModifyListener(e -> {
        translateY = numericValue(translateYCombo);
        canvas.repaint();
    });

    new Label(shell, SWT.NONE).setText("&Rotate by:");
    final Combo rotateCombo = new Combo(shell, SWT.NONE);
    rotateCombo.setItems("0", "Pi", "Pi/2", "Pi/4", "Pi/8");
    rotateCombo.select(0);
    rotateCombo.addModifyListener(e -> {
        rotate = numericValue(rotateCombo);
        canvas.repaint();
    });

    Button printButton = new Button(shell, SWT.PUSH);
    printButton.setText("&Print Image");
    printButton.addSelectionListener(widgetSelectedAdapter(e -> {
        performPrintAction(display, shell);
    }));

    composite = new Composite(shell, SWT.EMBEDDED | SWT.BORDER);
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true, 8, 1);
    data.widthHint = 640;
    data.heightHint = 480;
    composite.setLayoutData(data);
    Frame frame = SWT_AWT.new_Frame(composite);
    canvas = new Canvas() {
        @Override
        public void paint(Graphics g) {
            if (image != null) {
                g.setColor(Color.WHITE);
                g.fillRect(0, 0, canvas.getWidth(), canvas.getHeight());

                /* Use Java2D here to modify the image as desired. */
                Graphics2D g2d = (Graphics2D) g;
                AffineTransform t = new AffineTransform();
                t.translate(translateX, translateY);
                t.rotate(rotate);
                g2d.setTransform(t);
                /*------------*/

                g.drawImage(image, 0, 0, this);
            }
        }
    };
    frame.add(canvas);
    composite.getAccessible().addAccessibleListener(new AccessibleAdapter() {
        @Override
        public void getName(AccessibleEvent e) {
            e.result = "Image drawn in AWT Canvas";
        }
    });

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

From source file:org.eclipse.swt.snippets.Snippet181.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 181");
    shell.setLayout(new RowLayout(SWT.HORIZONTAL));
    final Table table = new Table(shell, SWT.BORDER | SWT.CHECK);
    table.setLayoutData(new RowData(-1, 300));
    table.setHeaderVisible(true);/*from w w  w . j av  a 2s . com*/
    TableColumn column = new TableColumn(table, SWT.LEFT);
    column.setText("Column 0");
    column = new TableColumn(table, SWT.CENTER);
    column.setText("Column 1");
    column = new TableColumn(table, SWT.CENTER);
    column.setText("Column 2");
    column = new TableColumn(table, SWT.CENTER);
    column.setText("Column 3");
    column = new TableColumn(table, SWT.CENTER);
    column.setText("Column 4");
    for (int i = 0; i < 100; i++) {
        TableItem item = new TableItem(table, SWT.NONE);
        String[] text = new String[] { i + " 0", i + " 1", i + " 2", i + " 3", i + " 4" };
        item.setText(text);
    }
    Listener listener = e -> System.out.println("Move " + e.widget);
    TableColumn[] columns = table.getColumns();
    for (int i = 0; i < columns.length; i++) {
        columns[i].pack();
        columns[i].setMoveable(true);
        columns[i].addListener(SWT.Move, listener);
    }
    Button b = new Button(shell, SWT.PUSH);
    b.setText("invert column order");
    b.addListener(SWT.Selection, e -> {
        int[] order = table.getColumnOrder();
        for (int i = 0; i < order.length / 2; i++) {
            int temp = order[i];
            order[i] = order[order.length - i - 1];
            order[order.length - i - 1] = temp;
        }
        table.setColumnOrder(order);
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:TableCellEditorComboTextButton.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Table table = new Table(shell, SWT.BORDER | SWT.MULTI);
    table.setLinesVisible(true);/*from  w  w  w. j a  v  a2 s.c om*/
    for (int i = 0; i < 3; i++) {
        TableColumn column = new TableColumn(table, SWT.NONE);
        column.setWidth(100);
    }
    for (int i = 0; i < 12; i++) {
        new TableItem(table, SWT.NONE);
    }
    TableItem[] items = table.getItems();
    for (int i = 0; i < items.length; i++) {
        TableEditor editor = new TableEditor(table);
        CCombo combo = new CCombo(table, SWT.NONE);
        combo.setText("CCombo");
        combo.add("item 1");
        combo.add("item 2");
        editor.grabHorizontal = true;
        editor.setEditor(combo, items[i], 0);
        editor = new TableEditor(table);
        Text text = new Text(table, SWT.NONE);
        text.setText("Text");
        editor.grabHorizontal = true;
        editor.setEditor(text, items[i], 1);
        editor = new TableEditor(table);
        Button button = new Button(table, SWT.CHECK);
        button.pack();
        editor.minimumWidth = button.getSize().x;
        editor.horizontalAlignment = SWT.LEFT;
        editor.setEditor(button, items[i], 2);
    }
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet266.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 266");
    shell.setLayout(new GridLayout(2, true));

    TabFolder tabFolder = new TabFolder(shell, SWT.NONE);
    tabFolder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));

    TabItem item = new TabItem(tabFolder, SWT.NONE);
    item.setText("Widget");
    Composite composite = new Composite(tabFolder, SWT.NONE);
    composite.setLayout(new GridLayout());
    Tree tree = new Tree(composite, SWT.BORDER);
    item.setControl(composite);//from  w  w w .  ja va 2 s  . c  o m
    tree.setHeaderVisible(true);
    tree.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    TreeColumn column1 = new TreeColumn(tree, SWT.NONE);
    column1.setText("Standard");
    TreeColumn column2 = new TreeColumn(tree, SWT.NONE);
    column2.setText("Widget");
    TreeItem branch = new TreeItem(tree, SWT.NONE);
    branch.setText(new String[] { "Efficient", "Portable" });
    TreeItem leaf = new TreeItem(branch, SWT.NONE);
    leaf.setText(new String[] { "Cross", "Platform" });
    branch.setExpanded(true);
    branch = new TreeItem(tree, SWT.NONE);
    branch.setText(new String[] { "Native", "Controls" });
    leaf = new TreeItem(branch, SWT.NONE);
    leaf.setText(new String[] { "Cross", "Platform" });
    branch = new TreeItem(tree, SWT.NONE);
    branch.setText(new String[] { "Cross", "Platform" });
    column1.pack();
    column2.pack();

    item = new TabItem(tabFolder, SWT.NONE);
    item.setText("Toolkit");

    Button button = new Button(shell, SWT.CHECK);
    button.setText("Totally");
    button.setSelection(true);
    button.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false));

    button = new Button(shell, SWT.PUSH);
    button.setText("Awesome");
    button.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false));

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

From source file:org.eclipse.swt.examples.accessibility.AccessibleActionExample.java

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

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Button");

    final Canvas customButton = new Canvas(shell, SWT.NONE) {
        @Override// ww w .j a v  a2 s . co m
        public Point computeSize(int wHint, int hHint, boolean changed) {
            GC gc = new GC(this);
            Point point = gc.stringExtent(buttonText);
            gc.dispose();
            point.x += MARGIN;
            point.y += MARGIN;
            return point;
        }
    };
    customButton.addPaintListener(e -> {
        Rectangle clientArea = customButton.getClientArea();
        Point stringExtent = e.gc.stringExtent(buttonText);
        int x = clientArea.x + (clientArea.width - stringExtent.x) / 2;
        int y = clientArea.y + (clientArea.height - stringExtent.y) / 2;
        e.gc.drawString(buttonText, x, y);
    });
    customButton.addMouseListener(MouseListener.mouseDownAdapter(e -> {
        int actionIndex = (e.button == 1) ? 0 : 1;
        customButtonAction(actionIndex);
    }));
    customButton.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            int modifierKeys = e.stateMask & SWT.MODIFIER_MASK;
            if (modifierKeys == SWT.CTRL || modifierKeys == 0) {
                if (e.character == '1')
                    customButtonAction(0);
                else if (e.character == '2')
                    customButtonAction(1);
            }
        }
    });

    Accessible accessible = customButton.getAccessible();
    accessible.addAccessibleListener(new AccessibleAdapter() {
        @Override
        public void getName(AccessibleEvent e) {
            e.result = buttonText;
        }

        @Override
        public void getKeyboardShortcut(AccessibleEvent e) {
            e.result = "CTRL+1"; // default action is 'action 1'
        }
    });
    accessible.addAccessibleControlListener(new AccessibleControlAdapter() {
        @Override
        public void getRole(AccessibleControlEvent e) {
            e.detail = ACC.ROLE_PUSHBUTTON;
        }
    });
    accessible.addAccessibleActionListener(new AccessibleActionAdapter() {
        @Override
        public void getActionCount(AccessibleActionEvent e) {
            e.count = 2;
        }

        @Override
        public void getName(AccessibleActionEvent e) {
            if (0 <= e.index && e.index <= 1) {
                if (e.localized) {
                    e.result = AccessibleActionExample.getResourceString("action" + e.index);
                } else {
                    e.result = "Action" + e.index; //$NON-NLS-1$
                }
            }
        }

        @Override
        public void getDescription(AccessibleActionEvent e) {
            if (0 <= e.index && e.index <= 1) {
                e.result = AccessibleActionExample.getResourceString("action" + e.index + "description");
            }
        }

        @Override
        public void doAction(AccessibleActionEvent e) {
            if (0 <= e.index && e.index <= 1) {
                customButtonAction(e.index);
                e.result = ACC.OK;
            }
        }

        @Override
        public void getKeyBinding(AccessibleActionEvent e) {
            switch (e.index) {
            case 0:
                e.result = "1;CTRL+1";
                break;
            case 1:
                e.result = "2;CTRL+2";
                break;
            default:
                e.result = null;
            }
        }
    });

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

From source file:Snippet134.java

public static void main(String[] args) {
    final Display display = new Display();
    // Shell must be created with style SWT.NO_TRIM
    final Shell shell = new Shell(display, SWT.NO_TRIM | SWT.ON_TOP);
    shell.setBackground(display.getSystemColor(SWT.COLOR_RED));
    // define a region that looks like a key hole
    Region region = new Region();
    region.add(circle(67, 67, 67));//ww  w  .j a  v a  2s  . c om
    region.subtract(circle(20, 67, 50));
    region.subtract(new int[] { 67, 50, 55, 105, 79, 105 });
    // define the shape of the shell using setRegion
    shell.setRegion(region);
    Rectangle size = region.getBounds();
    shell.setSize(size.width, size.height);
    // add ability to move shell around
    Listener l = new Listener() {
        Point origin;

        public void handleEvent(Event e) {
            switch (e.type) {
            case SWT.MouseDown:
                origin = new Point(e.x, e.y);
                break;
            case SWT.MouseUp:
                origin = null;
                break;
            case SWT.MouseMove:
                if (origin != null) {
                    Point p = display.map(shell, null, e.x, e.y);
                    shell.setLocation(p.x - origin.x, p.y - origin.y);
                }
                break;
            }
        }
    };
    shell.addListener(SWT.MouseDown, l);
    shell.addListener(SWT.MouseUp, l);
    shell.addListener(SWT.MouseMove, l);
    // add ability to close shell
    Button b = new Button(shell, SWT.PUSH);
    b.setBackground(shell.getBackground());
    b.setText("close");
    b.pack();
    b.setLocation(10, 68);
    b.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {
            shell.close();
        }
    });
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    region.dispose();
    display.dispose();
}

From source file:ViewFormCreate.java

public static void main(String[] args) {

    Shell shell = new Shell(display);
    shell.setText("Look");

    shell.setLayout(new GridLayout(1, false));

    Button button = new Button(shell, SWT.PUSH);
    button.setText("New Document");

    final Composite composite = new Composite(shell, SWT.NONE);
    composite.setLayoutData(new GridData(GridData.FILL_BOTH));
    composite.setLayout(new FillLayout());

    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            createViewFormHelper(composite, "Document " + (++count));
            composite.layout();//  w ww.  ja v  a2  s  .  c  om
        }
    });

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

From source file:StyledTextEmbebControls.java

public static void main(String[] args) {
    final Display display = new Display();
    Font font = new Font(display, "Tahoma", 32, SWT.NORMAL);
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    styledText = new StyledText(shell, SWT.WRAP | SWT.BORDER);
    styledText.setFont(font);/* www  . j av a  2s  .  com*/
    styledText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    styledText.setText(text);
    controls = new Control[2];
    Button button = new Button(styledText, SWT.PUSH);
    button.setText("Button 1");
    controls[0] = button;
    Combo combo = new Combo(styledText, SWT.NONE);
    combo.add("item 1");
    combo.add("another item");
    controls[1] = combo;
    offsets = new int[controls.length];
    int lastOffset = 0;
    for (int i = 0; i < controls.length; i++) {
        int offset = text.indexOf("\uFFFC", lastOffset);
        offsets[i] = offset;
        addControl(controls[i], offsets[i]);
        lastOffset = offset + 1;
    }

    // use a verify listener to keep the offsets up to date
    styledText.addVerifyListener(new VerifyListener() {
        public void verifyText(VerifyEvent e) {
            int start = e.start;
            int replaceCharCount = e.end - e.start;
            int newCharCount = e.text.length();
            for (int i = 0; i < offsets.length; i++) {
                int offset = offsets[i];
                if (start <= offset && offset < start + replaceCharCount) {
                    // this widget is being deleted from the text
                    if (controls[i] != null && !controls[i].isDisposed()) {
                        controls[i].dispose();
                        controls[i] = null;
                    }
                    offset = -1;
                }
                if (offset != -1 && offset >= start)
                    offset += newCharCount - replaceCharCount;
                offsets[i] = offset;
            }
        }
    });

    // reposition widgets on paint event
    styledText.addPaintObjectListener(new PaintObjectListener() {
        public void paintObject(PaintObjectEvent event) {
            StyleRange style = event.style;
            int start = style.start;
            for (int i = 0; i < offsets.length; i++) {
                int offset = offsets[i];
                if (start == offset) {
                    Point pt = controls[i].getSize();
                    int x = event.x + MARGIN;
                    int y = event.y + event.ascent - 2 * pt.y / 3;
                    controls[i].setLocation(x, y);
                    break;
                }
            }
        }
    });

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