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:org.eclipse.swt.snippets.Snippet144.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 144");
    shell.setLayout(new RowLayout(SWT.VERTICAL));
    final Table table = new Table(shell, SWT.VIRTUAL | SWT.BORDER);
    table.addListener(SWT.SetData, event -> {
        TableItem item = (TableItem) event.item;
        int index = table.indexOf(item);
        item.setText("Item " + index);
        System.out.println(item.getText());
    });//from   www.jav  a 2 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, 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:GridLayoutDialog.java

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

    Label labelUser;//  w w  w  . j  a  v a2s. c o  m
    Label labelFile;

    final Text textUser;
    final Text textFile;

    Button buttonBrowseFile;
    Button buttonUpload;

    GridLayout gridLayout = new GridLayout(3, false);
    shell.setLayout(gridLayout);

    labelUser = new Label(shell, SWT.NULL);

    GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.grabExcessHorizontalSpace = true;
    textUser = new Text(shell, SWT.SINGLE | SWT.BORDER);
    textUser.setLayoutData(gridData);

    new Label(shell, SWT.NULL);

    // 2nd row.
    labelFile = new Label(shell, SWT.NULL);

    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.grabExcessHorizontalSpace = true;
    textFile = new Text(shell, SWT.SINGLE | SWT.BORDER);
    textFile.setLayoutData(gridData);

    buttonBrowseFile = new Button(shell, SWT.PUSH);

    // last row.
    gridData = new GridData();
    gridData.horizontalSpan = 3;
    gridData.horizontalAlignment = GridData.CENTER;
    buttonUpload = new Button(shell, SWT.PUSH);
    buttonUpload.setLayoutData(gridData);

    labelUser.setText("User name: ");
    labelFile.setText("Photo: ");

    buttonBrowseFile.setText("Browse");
    buttonUpload.setText("Upload");

    buttonBrowseFile.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            FileDialog dialog = new FileDialog(shell, SWT.OPEN);
            String file = dialog.open();
            if (file != null) {
                textFile.setText(file);
            }
        }
    });

    buttonUpload.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            System.out.println(textUser.getText());
            System.out.println(textFile.getText());
            shell.dispose();
        }
    });

    shell.pack();
    shell.open();
    textUser.forceFocus();

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

From source file:org.eclipse.swt.snippets.Snippet358.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 358");
    shell.setLayout(new GridLayout());
    final Tree tree = new Tree(shell, SWT.NONE);
    tree.setLayoutData(new GridData(200, 200));
    for (int i = 0; i < 9; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("root-level item " + i);
        for (int j = 0; j < 9; j++) {
            new TreeItem(item, SWT.NONE).setText("item " + i + "-" + j);
        }//from   w w w .j  av a  2  s.  c  om
    }

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Print item visibilities");
    button.addListener(SWT.Selection, event -> {
        Rectangle treeBounds = new Rectangle(0, 0, 0, 0);
        Point treeSize = tree.getSize();
        treeBounds.width = treeSize.x;
        treeBounds.height = treeSize.y;
        TreeItem[] rootItems = tree.getItems();
        for (int i = 0; i < rootItems.length; i++) {
            TreeItem rootItem = rootItems[i];
            System.out.println(rootItem.getText() + " is at least partially visible? "
                    + treeBounds.intersects(rootItem.getBounds()));
            TreeItem[] childItems = rootItem.getItems();
            for (int j = 0; j < childItems.length; j++) {
                TreeItem childItem = childItems[j];
                System.out.println(childItem.getText() + " is at least partially visible? "
                        + treeBounds.intersects(childItem.getBounds()));
            }
        }
    });

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

From source file:MainClass.java

public static void main(String[] a) {

    final Display display = new Display();
    final Shell shell = new Shell(display);

    shell.setSize(250, 200);/*from   w w w. j av  a  2 s. c  om*/

    shell.setLayout(new FormLayout());

    Composite controls = new Composite(shell, SWT.NONE);
    FormData data = new FormData();
    data.top = new FormAttachment(0, 0);
    data.left = new FormAttachment(0, 0);
    data.right = new FormAttachment(100, 0);
    controls.setLayoutData(data);

    final Browser browser = new Browser(shell, SWT.NONE);
    data = new FormData();
    data.top = new FormAttachment(controls);
    data.bottom = new FormAttachment(100, 0);
    data.left = new FormAttachment(0, 0);
    data.right = new FormAttachment(100, 0);
    browser.setLayoutData(data);

    controls.setLayout(new GridLayout(6, false));

    Button button = new Button(controls, SWT.PUSH);
    button.setText("Back");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            browser.back();
        }
    });

    button = new Button(controls, SWT.PUSH);
    button.setText("Forward");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            browser.forward();
        }
    });

    button = new Button(controls, SWT.PUSH);
    button.setText("Refresh");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            browser.refresh();
        }
    });

    button = new Button(controls, SWT.PUSH);
    button.setText("Stop");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            browser.stop();
        }
    });

    final Text url = new Text(controls, SWT.BORDER);
    url.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    url.setFocus();

    button = new Button(controls, SWT.PUSH);
    button.setText("Go");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            browser.setUrl(url.getText());
        }
    });

    shell.setDefaultButton(button);

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

From source file:org.eclipse.swt.snippets.Snippet169.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 169");
    shell.setLayout(new FillLayout());
    Listener listener = e -> {/*w ww .ja  v  a2s.  c  o m*/
        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);
            }
        }
        ((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();
}

From source file:Snippet116.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    Text text = new Text(shell, SWT.SINGLE | SWT.BORDER);
    text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    text.setText("Here is some text");
    text.addSelectionListener(new SelectionAdapter() {
        public void widgetDefaultSelected(SelectionEvent e) {
            System.out.println("Text default selected (overrides default button)");
        }/* w w  w.j a v a2  s  . co  m*/
    });
    text.addTraverseListener(new TraverseListener() {
        public void keyTraversed(TraverseEvent e) {
            if (e.detail == SWT.TRAVERSE_RETURN) {
                e.doit = false;
                e.detail = SWT.TRAVERSE_NONE;
            }
        }
    });
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Ok");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            System.out.println("Button selected");
        }
    });
    shell.setDefaultButton(button);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:ShellEscapeClose.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.addListener(SWT.Traverse, new Listener() {
        public void handleEvent(Event event) {
            switch (event.detail) {
            case SWT.TRAVERSE_ESCAPE:
                shell.close();/*from   w ww .j  av a2s.co  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();
}

From source file:BusyCursorDisplay.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    final Text text = new Text(shell, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
    text.setLayoutData(new GridData(GridData.FILL_BOTH));
    final int[] nextId = new int[1];
    Button b = new Button(shell, SWT.PUSH);
    b.setText("invoke long running job");
    b.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            Runnable longJob = new Runnable() {
                boolean done = false;

                int id;

                public void run() {
                    Thread thread = new Thread(new Runnable() {
                        public void run() {
                            id = nextId[0]++;
                            display.syncExec(new Runnable() {
                                public void run() {
                                    if (text.isDisposed())
                                        return;
                                    text.append("\nStart long running task " + id);
                                }// www. j  a  va2 s  .com
                            });
                            for (int i = 0; i < 100000; i++) {
                                if (display.isDisposed())
                                    return;
                                System.out.println("do task that takes a long time in a separate thread " + id);
                            }
                            if (display.isDisposed())
                                return;
                            display.syncExec(new Runnable() {
                                public void run() {
                                    if (text.isDisposed())
                                        return;
                                    text.append("\nCompleted long running task " + id);
                                }
                            });
                            done = true;
                            display.wake();
                        }
                    });
                    thread.start();
                    while (!done && !shell.isDisposed()) {
                        if (!display.readAndDispatch())
                            display.sleep();
                    }
                }
            };
            BusyIndicator.showWhile(display, longJob);
        }
    });
    shell.setSize(250, 150);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet103.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 103");
    shell.setBounds(10, 10, 200, 240);//from w w w. ja v a 2  s .  c  om
    Table table = new Table(shell, SWT.NONE);
    Rectangle clientArea = shell.getClientArea();
    table.setBounds(clientArea.x + 10, clientArea.y + 10, 160, 160);

    final TableItem[] items = new TableItem[4];
    for (int i = 0; i < 4; i++) {
        new TableColumn(table, SWT.NONE).setWidth(40);
    }
    for (int i = 0; i < 4; i++) {
        items[i] = new TableItem(table, SWT.NONE);
        populateItem(items[i]);
    }

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Change");
    button.pack();
    button.setLocation(10, 180);
    button.addListener(SWT.Selection, event -> {
        for (int i = 0; i < 4; i++) {
            populateItem(items[i]);
        }
    });

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

From source file:SashFormThreeChildren.java

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

    SashForm form = new SashForm(shell, SWT.HORIZONTAL);
    form.setLayout(new FillLayout());

    Composite child1 = new Composite(form, SWT.NONE);
    child1.setLayout(new FillLayout());
    new Label(child1, SWT.NONE).setText("Label in pane 1");

    Composite child2 = new Composite(form, SWT.NONE);
    child2.setLayout(new FillLayout());
    new Button(child2, SWT.PUSH).setText("Button in pane2");

    Composite child3 = new Composite(form, SWT.NONE);
    child3.setLayout(new FillLayout());
    new Label(child3, SWT.PUSH).setText("Label in pane3");

    form.setWeights(new int[] { 30, 40, 30 });
    shell.open();//from  w  ww  .  j a  v  a 2 s.c  om
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}