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:org.eclipse.swt.snippets.Snippet248.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 248");
    shell.setLayout(new FillLayout());
    shell.addListener(SWT.Traverse, event -> {
        switch (event.detail) {
        case SWT.TRAVERSE_ESCAPE:
            shell.close();/*w w w  .  ja v a2 s . c  o m*/
            event.detail = SWT.TRAVERSE_NONE;
            event.doit = false;
            break;
        }
    });
    Button button = new Button(shell, SWT.PUSH);
    button.setText("A Button (that doesn't process Escape)");
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:ScreenshotCaptureGC.java

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

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Capture");
    button.pack();//from w w  w.j a  v  a  2 s .c  om
    button.setLocation(10, 140);
    button.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {
            GC gc = new GC(display);
            final Image image = new Image(display, 400, 400);
            gc.copyArea(image, 0, 0);
            gc.dispose();

            Shell popup = new Shell(shell);
            popup.setText("Image");
            popup.addListener(SWT.Close, new Listener() {
                public void handleEvent(Event e) {
                    image.dispose();
                }
            });

            Canvas canvas = new Canvas(popup, SWT.NONE);
            canvas.setBounds(10, 10, 400 + 10, 400 + 10);
            canvas.addPaintListener(new PaintListener() {
                public void paintControl(PaintEvent 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:Snippet144.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new RowLayout(SWT.VERTICAL));
    final Table table = new Table(shell, SWT.VIRTUAL | SWT.BORDER);
    table.addListener(SWT.SetData, new Listener() {
        public void handleEvent(Event event) {
            TableItem item = (TableItem) event.item;
            int index = table.indexOf(item);
            item.setText("Item " + index);
            System.out.println(item.getText());
        }//from  w ww  .  j a  v a2  s. c om
    });
    table.setLayoutData(new RowData(200, 200));
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Add Items");
    final Label label = new Label(shell, SWT.NONE);
    button.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {
            long t1 = System.currentTimeMillis();
            table.setItemCount(COUNT);
            long t2 = System.currentTimeMillis();
            label.setText("Items: " + COUNT + ", Time: " + (t2 - t1) + " (ms)");
            shell.layout();
        }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet76.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 76");
    final TabFolder tabFolder = new TabFolder(shell, SWT.BORDER);
    Rectangle clientArea = shell.getClientArea();
    tabFolder.setLocation(clientArea.x, clientArea.y);
    for (int i = 0; i < 6; i++) {
        TabItem item = new TabItem(tabFolder, SWT.NONE);
        item.setText("TabItem " + i);
        Button button = new Button(tabFolder, SWT.PUSH);
        button.setText("Page " + i);
        item.setControl(button);//from   w w w .  j a va2s  .  c o  m
    }
    tabFolder.pack();
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet5.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 5");
    shell.setLayout(new FillLayout());

    // this button is always 400 x 400. Scrollbars appear if the window is resized to be
    // too small to show part of the button
    ScrolledComposite c1 = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    Button b1 = new Button(c1, SWT.PUSH);
    b1.setText("fixed size button");
    b1.setSize(400, 400);/*from   ww  w. j av  a 2 s. c o  m*/
    c1.setContent(b1);

    // this button has a minimum size of 400 x 400. If the window is resized to be big
    // enough to show more than 400 x 400, the button will grow in size. If the window
    // is made too small to show 400 x 400, scrollbars will appear.
    ScrolledComposite c2 = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    Button b2 = new Button(c2, SWT.PUSH);
    b2.setText("expanding button");
    c2.setContent(b2);
    c2.setExpandHorizontal(true);
    c2.setExpandVertical(true);
    c2.setMinSize(400, 400);

    shell.setSize(600, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:DialogShellPromptValue.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.pack();/*from  ww  w .  j a va 2 s. c  o m*/

    final boolean[] result = new boolean[1];
    final Shell dialog = new Shell(shell, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
    dialog.setLayout(new RowLayout());
    final Button ok = new Button(dialog, SWT.PUSH);
    ok.setText("OK");
    Button cancel = new Button(dialog, SWT.PUSH);
    cancel.setText("Cancel");
    Listener listener = new Listener() {
        public void handleEvent(Event event) {
            result[0] = event.widget == ok;
            dialog.close();
        }
    };
    ok.addListener(SWT.Selection, listener);
    cancel.addListener(SWT.Selection, listener);
    dialog.pack();
    dialog.open();
    System.out.println("Prompt ...");
    while (!dialog.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    System.out.println("Result: " + result[0]);
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet282.java

public static void main(String[] args) {
    final Display display = new Display();
    final Clipboard clipboard = new Clipboard(display);
    final Shell shell = new Shell(display, SWT.SHELL_TRIM);
    shell.setText("Snippet 282");
    shell.setLayout(new GridLayout());
    shell.setText("Clipboard ImageTransfer");

    final Button imageButton = new Button(shell, SWT.NONE);
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    gd.minimumHeight = 400;//  ww w.  j  a va 2s.co  m
    gd.minimumWidth = 600;
    imageButton.setLayoutData(gd);

    final Text imageText = new Text(shell, SWT.BORDER);
    imageText.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));

    Composite buttons = new Composite(shell, SWT.NONE);
    buttons.setLayout(new GridLayout(4, true));
    Button button = new Button(buttons, SWT.PUSH);
    button.setText("Open");
    button.addListener(SWT.Selection, event -> {
        FileDialog dialog = new FileDialog(shell, SWT.OPEN);
        dialog.setText("Open an image file or cancel");
        String string = dialog.open();
        if (string != null) {
            imageButton.setText("");
            Image image = imageButton.getImage();
            if (image != null)
                image.dispose();
            image = new Image(display, string);
            imageButton.setImage(image);
            imageText.setText(string);
        }
    });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Copy");
    button.addListener(SWT.Selection, event -> {
        Image image = imageButton.getImage();
        if (image != null) {
            ImageTransfer imageTransfer = ImageTransfer.getInstance();
            TextTransfer textTransfer = TextTransfer.getInstance();
            clipboard.setContents(new Object[] { image.getImageData(), imageText.getText() },
                    new Transfer[] { imageTransfer, textTransfer });
        }
    });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Paste");
    button.addListener(SWT.Selection, event -> {
        ImageData imageData = (ImageData) clipboard.getContents(ImageTransfer.getInstance());
        if (imageData != null) {
            imageButton.setText("");
            Image image = imageButton.getImage();
            if (image != null)
                image.dispose();
            image = new Image(display, imageData);
            imageButton.setImage(image);
        } else {
            imageButton.setText("No image");
            imageButton.setImage(null);
        }
        String text = (String) clipboard.getContents(TextTransfer.getInstance());
        if (text != null) {
            imageText.setText(text);
        } else {
            imageText.setText("");
        }
    });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Clear");
    button.addListener(SWT.Selection, event -> {
        imageButton.setText("");
        Image image = imageButton.getImage();
        if (image != null)
            image.dispose();
        imageButton.setImage(null);
        imageText.setText("");
    });

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

---

From source file:DialogOKCancelFormLayout.java

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

    Shell dialog = new Shell(shell, SWT.DIALOG_TRIM);
    Label label = new Label(dialog, SWT.NONE);
    label.setText("Exit the application?");
    Button okButton = new Button(dialog, SWT.PUSH);
    okButton.setText("&OK");
    Button cancelButton = new Button(dialog, SWT.PUSH);
    cancelButton.setText("&Cancel");

    FormLayout form = new FormLayout();
    form.marginWidth = form.marginHeight = 8;
    dialog.setLayout(form);//from   www. j  a va 2s .  c o m
    FormData okData = new FormData();
    okData.top = new FormAttachment(label, 8);
    okButton.setLayoutData(okData);
    FormData cancelData = new FormData();
    cancelData.left = new FormAttachment(okButton, 8);
    cancelData.top = new FormAttachment(okButton, 0, SWT.TOP);
    cancelButton.setLayoutData(cancelData);

    dialog.setDefaultButton(okButton);
    dialog.pack();
    dialog.open();

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

---

From source file:TableEditorSample.java

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

    shell.setLayout(new FillLayout());

    Table table = new Table(shell, SWT.SINGLE | SWT.FULL_SELECTION | SWT.HIDE_SELECTION);
    table.setHeaderVisible(true);//  w  ww  .j a  v  a2  s .  c  o  m
    table.setLinesVisible(true);

    for (int i = 0; i < 5; i++) {
        TableColumn column = new TableColumn(table, SWT.CENTER);
        column.setText("Column " + (i + 1));
        column.pack();
    }
    // Create five table editors for color
    TableEditor[] colorEditors = new TableEditor[5];

    // Create five buttons for changing color
    Button[] colorButtons = new Button[5];

    for (int i = 0; i < 5; i++) {
        final TableItem item = new TableItem(table, SWT.NONE);
        // Create the editor and button
        colorEditors[i] = new TableEditor(table);
        colorButtons[i] = new Button(table, SWT.PUSH);

        // Set attributes of the button
        colorButtons[i].setText("Color...");
        colorButtons[i].computeSize(SWT.DEFAULT, table.getItemHeight());

        // Set attributes of the editor
        colorEditors[i].grabHorizontal = true;
        colorEditors[i].minimumHeight = colorButtons[i].getSize().y;
        colorEditors[i].minimumWidth = colorButtons[i].getSize().x;

        // Set the editor for the first column in the row
        colorEditors[i].setEditor(colorButtons[i], item, 0);
    }
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();

}

---

From source file:org.eclipse.swt.snippets.Snippet65.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 65");
    Label label = new Label(shell, SWT.WRAP);
    label.setText("This is a long text string that will wrap when the dialog is resized.");
    List list = new List(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    list.setItems("Item 1", "Item 2");
    Button button1 = new Button(shell, SWT.PUSH);
    button1.setText("OK");
    Button button2 = new Button(shell, SWT.PUSH);
    button2.setText("Cancel");

    final int insetX = 4, insetY = 4;
    FormLayout formLayout = new FormLayout();
    formLayout.marginWidth = insetX;/*from  www  . ja  va2s  .  c  om*/
    formLayout.marginHeight = insetY;
    shell.setLayout(formLayout);

    Point size = label.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    final FormData labelData = new FormData(size.x, SWT.DEFAULT);
    labelData.left = new FormAttachment(0, 0);
    labelData.right = new FormAttachment(100, 0);
    label.setLayoutData(labelData);
    shell.addListener(SWT.Resize, e -> {
        Rectangle rect = shell.getClientArea();
        labelData.width = rect.width - insetX * 2;
        shell.layout();
    });

    FormData button2Data = new FormData();
    button2Data.right = new FormAttachment(100, -insetX);
    button2Data.bottom = new FormAttachment(100, 0);
    button2.setLayoutData(button2Data);

    FormData button1Data = new FormData();
    button1Data.right = new FormAttachment(button2, -insetX);
    button1Data.bottom = new FormAttachment(100, 0);
    button1.setLayoutData(button1Data);

    FormData listData = new FormData();
    listData.left = new FormAttachment(0, 0);
    listData.right = new FormAttachment(100, 0);
    listData.top = new FormAttachment(label, insetY);
    listData.bottom = new FormAttachment(button2, -insetY);
    list.setLayoutData(listData);

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

---

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