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

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:FocusListenerExample.java

/**
 * The application entry point/*w  w w.ja  v  a2s  .  c  o  m*/
 * 
 * @param args the command line arguments
 */
public static void main(String[] args) {
    // Create the shell
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(3, true));
    shell.setText("One Potato, Two Potato");

    // Create the focus listener
    FocusListener listener = new FocusListener() {
        public void focusGained(FocusEvent event) {
            Button button = (Button) event.getSource();
            button.setText("I'm It!");
        }

        public void focusLost(FocusEvent event) {
            Button button = (Button) event.getSource();
            button.setText("Pick Me!");
        }
    };

    // Create the buttons and add the listener to each one
    for (int i = 0; i < 6; i++) {
        Button button = new Button(shell, SWT.PUSH);
        button.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        button.setText("Pick Me!");
        button.addFocusListener(listener);
    }

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

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From source file:Snippet169.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Listener listener = new Listener() {
        public void handleEvent(Event e) {
            Control[] children = shell.getChildren();
            for (int i = 0; i < children.length; i++) {
                Control child = children[i];
                if (e.widget != child && child instanceof Button && (child.getStyle() & SWT.TOGGLE) != 0) {
                    ((Button) child).setSelection(false);
                }//from ww  w .j  a va 2  s .c  o  m
            }
            ((Button) e.widget).setSelection(true);
        }
    };
    for (int i = 0; i < 20; i++) {
        Button button = new Button(shell, SWT.TOGGLE);
        button.setText("B" + i);
        button.addListener(SWT.Selection, listener);
        if (i == 0)
            button.setSelection(true);
    }
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet364.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 364");
    shell.setLayout(new GridLayout(1, false));

    Image i = new Image(display, Snippet364.class.getResourceAsStream("eclipse.png"));
    Button b = new Button(shell, SWT.PUSH | SWT.LEFT_TO_RIGHT);
    b.setText("Button LEFT_TO_RIGHT...");
    b.setImage(i);//from  ww  w. j av a 2 s . c  o m

    Button b2 = new Button(shell, SWT.PUSH | SWT.RIGHT_TO_LEFT);
    b2.setText("Button RIGHT_TO_LEFT...");
    b2.setImage(i);

    new Label(shell, SWT.NONE).setText("with FLIP_TEXT_DIRECTION:");

    Button b3 = new Button(shell, SWT.PUSH | SWT.LEFT_TO_RIGHT | SWT.FLIP_TEXT_DIRECTION);
    b3.setText("Button LEFT_TO_RIGHT...");
    b3.setImage(i);

    Button b4 = new Button(shell, SWT.PUSH | SWT.RIGHT_TO_LEFT | SWT.FLIP_TEXT_DIRECTION);
    b4.setText("Button RIGHT_TO_LEFT...");
    b4.setImage(i);

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

---

From source file:org.eclipse.swt.snippets.Snippet95.java

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

    final Table table = new Table(shell, SWT.MULTI);
    table.setLinesVisible(true);/*w  w w  .j a v  a 2  s .c om*/
    table.setBounds(10, 10, 100, 100);
    for (int i = 0; i < 9; i++) {
        new TableItem(table, SWT.NONE).setText("item" + i);
    }

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Capture");
    button.pack();
    button.setLocation(10, 140);
    button.addListener(SWT.Selection, event -> {
        Point tableSize = table.getSize();
        GC gc = new GC(table);
        final Image image = new Image(display, tableSize.x, tableSize.y);
        gc.copyArea(image, 0, 0);
        gc.dispose();

        Shell popup = new Shell(shell);
        popup.setText("Image");
        popup.addListener(SWT.Close, e -> image.dispose());

        Canvas canvas = new Canvas(popup, SWT.NONE);
        canvas.setBounds(10, 10, tableSize.x + 10, tableSize.y + 10);
        canvas.addPaintListener(e -> e.gc.drawImage(image, 0, 0));
        popup.pack();
        popup.open();
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet6.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 6");
    shell.setLayout(new GridLayout());
    final Composite c = new Composite(shell, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.numColumns = 3;/*from w w  w . java2s .c  o m*/
    c.setLayout(layout);
    for (int i = 0; i < 10; i++) {
        Button b = new Button(c, SWT.PUSH);
        b.setText("Button " + i);
    }

    Button b = new Button(shell, SWT.PUSH);
    b.setText("add a new button at row 2 column 1");
    final int[] index = new int[1];
    b.addListener(SWT.Selection, e -> {
        Button s = new Button(c, SWT.PUSH);
        s.setText("Special " + index[0]);
        index[0]++;
        Control[] children = c.getChildren();
        s.moveAbove(children[3]);
        shell.layout(new Control[] { s });
    });

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

---

From source file:org.eclipse.swt.snippets.Snippet94.java

public static void main(String[] args) {
    Display display = new Display();
    final Clipboard cb = new Clipboard(display);
    final Shell shell = new Shell(display);
    shell.setText("Snippet 94");
    shell.setLayout(new FormLayout());
    final Text text = new Text(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL);

    Button copy = new Button(shell, SWT.PUSH);
    copy.setText("Copy");
    copy.addListener(SWT.Selection, e -> {
        String textData = text.getSelectionText();
        if (textData.length() > 0) {
            TextTransfer textTransfer = TextTransfer.getInstance();
            cb.setContents(new Object[] { textData }, new Transfer[] { textTransfer });
        }/*from w  ww .jav  a  2s  .c  o m*/
    });

    Button paste = new Button(shell, SWT.PUSH);
    paste.setText("Paste");
    paste.addListener(SWT.Selection, e -> {
        TextTransfer transfer = TextTransfer.getInstance();
        String data = (String) cb.getContents(transfer);
        if (data != null) {
            text.insert(data);
        }
    });

    FormData data = new FormData();
    data.left = new FormAttachment(paste, 0, SWT.LEFT);
    data.right = new FormAttachment(100, -5);
    data.top = new FormAttachment(0, 5);
    copy.setLayoutData(data);

    data = new FormData();
    data.right = new FormAttachment(100, -5);
    data.top = new FormAttachment(copy, 5);
    paste.setLayoutData(data);

    data = new FormData();
    data.left = new FormAttachment(0, 5);
    data.top = new FormAttachment(0, 5);
    data.right = new FormAttachment(paste, -5);
    data.bottom = new FormAttachment(100, -5);
    text.setLayoutData(data);

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

---

From source file:org.eclipse.swt.snippets.Snippet108.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 108");
    Label label = new Label(shell, SWT.NONE);
    label.setText("Enter your name:");
    Text text = new Text(shell, SWT.BORDER);
    text.setLayoutData(new RowData(100, SWT.DEFAULT));
    Button ok = new Button(shell, SWT.PUSH);
    ok.setText("OK");
    ok.addSelectionListener(widgetSelectedAdapter(e -> System.out.println("OK")));
    Button cancel = new Button(shell, SWT.PUSH);
    cancel.setText("Cancel");
    cancel.addSelectionListener(widgetSelectedAdapter(e -> System.out.println("Cancel")));
    shell.setDefaultButton(cancel);/*from  w ww .j a  v  a  2 s  .c  om*/
    shell.setLayout(new RowLayout());
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet295.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Shell");
    FillLayout fillLayout = new FillLayout();
    fillLayout.marginWidth = 10;/* w  ww.j a  v  a 2s. c o m*/
    fillLayout.marginHeight = 10;
    shell.setLayout(fillLayout);

    Button open = new Button(shell, SWT.PUSH);
    open.setText("Prompt for a String");
    open.addSelectionListener(widgetSelectedAdapter(e -> {
        final Shell dialog = new Shell(shell, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
        dialog.setText("Dialog Shell");
        FormLayout formLayout = new FormLayout();
        formLayout.marginWidth = 10;
        formLayout.marginHeight = 10;
        formLayout.spacing = 10;
        dialog.setLayout(formLayout);

        Label label = new Label(dialog, SWT.NONE);
        label.setText("Type a String:");
        FormData data = new FormData();
        label.setLayoutData(data);

        Button cancel = new Button(dialog, SWT.PUSH);
        cancel.setText("Cancel");
        data = new FormData();
        data.width = 60;
        data.right = new FormAttachment(100, 0);
        data.bottom = new FormAttachment(100, 0);
        cancel.setLayoutData(data);
        cancel.addSelectionListener(widgetSelectedAdapter(event -> {
            System.out.println("User cancelled dialog");
            dialog.close();
        }));

        final Text text = new Text(dialog, SWT.BORDER);
        data = new FormData();
        data.width = 200;
        data.left = new FormAttachment(label, 0, SWT.DEFAULT);
        data.right = new FormAttachment(100, 0);
        data.top = new FormAttachment(label, 0, SWT.CENTER);
        data.bottom = new FormAttachment(cancel, 0, SWT.DEFAULT);
        text.setLayoutData(data);

        Button ok = new Button(dialog, SWT.PUSH);
        ok.setText("OK");
        data = new FormData();
        data.width = 60;
        data.right = new FormAttachment(cancel, 0, SWT.DEFAULT);
        data.bottom = new FormAttachment(100, 0);
        ok.setLayoutData(data);
        ok.addSelectionListener(widgetSelectedAdapter(event -> {
            System.out.println("User typed: " + text.getText());
            dialog.close();
        }));

        dialog.setDefaultButton(ok);
        dialog.pack();
        dialog.open();
    }));
    shell.pack();
    shell.open();

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

---

From source file:RowLayoutAlignWidgets.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    RowLayout layout = new RowLayout(SWT.HORIZONTAL);
    layout.wrap = true;//www .  j  a va2s .  c  o  m
    layout.fill = false;
    layout.justify = true;
    shell.setLayout(layout);

    Button b = new Button(shell, SWT.PUSH);
    b.setText("Button 1");
    b = new Button(shell, SWT.PUSH);

    b.setText("Button 2");

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 3");

    b = new Button(shell, SWT.PUSH);
    b.setText("Not shown");
    b.setVisible(false);
    RowData data = new RowData();
    data.exclude = true;
    b.setLayoutData(data);

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 200 high");
    data = new RowData();
    data.height = 200;
    b.setLayoutData(data);

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 200 wide");
    data = new RowData();
    data.width = 200;
    b.setLayoutData(data);

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

---

From source file:RowLayoutAlignColumn.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    RowLayout layout = new RowLayout(SWT.HORIZONTAL);
    layout.wrap = true;//from  w  w  w. j a  v a2 s . c o  m
    layout.fill = true;
    layout.justify = false;
    shell.setLayout(layout);

    Button b = new Button(shell, SWT.PUSH);
    b.setText("Button 1");
    b = new Button(shell, SWT.PUSH);

    b.setText("Button 2");

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 3");

    b = new Button(shell, SWT.PUSH);
    b.setText("Not shown");
    b.setVisible(false);
    RowData data = new RowData();
    data.exclude = true;
    b.setLayoutData(data);

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 200 high");
    data = new RowData();
    data.height = 200;
    b.setLayoutData(data);

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 200 wide");
    data = new RowData();
    data.width = 200;
    b.setLayoutData(data);

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

---

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