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:MainClass.java

public static void main(String[] a) {
    Display d = new Display();
    Shell s = new Shell(d);

    s.setText("A Tabbed Shell Example");
    s.setLayout(new FillLayout());

    TabFolder tf = new TabFolder(s, SWT.BORDER);

    TabItem ti1 = new TabItem(tf, SWT.BORDER);
    ti1.setText("Option Group");
    ti1.setControl(new Text(tf, SWT.MULTI));

    TabItem ti2 = new TabItem(tf, SWT.BORDER);
    ti2.setText("Grid");
    ti2.setControl(new Text(tf, SWT.MULTI));

    TabItem ti3 = new TabItem(tf, SWT.BORDER);
    ti3.setText("Text");
    Composite c1 = new Composite(tf, SWT.BORDER);
    c1.setLayout(new FillLayout());
    Text t = new Text(c1, SWT.BORDER | SWT.MULTI | SWT.WRAP | SWT.V_SCROLL);
    ti3.setControl(c1);/*from   w w  w . j  a v  a2  s .c  o m*/

    TabItem ti4 = new TabItem(tf, SWT.BORDER);
    ti4.setText("Settings");
    Composite c2 = new Composite(tf, SWT.BORDER);
    c2.setLayout(new RowLayout());
    Text t2 = new Text(c2, SWT.BORDER | SWT.SINGLE | SWT.WRAP | SWT.V_SCROLL);
    Button b = new Button(c2, SWT.PUSH | SWT.BORDER);
    b.setText("Save");
    ti4.setControl(c2);

    s.open();
    while (!s.isDisposed()) {
        if (!d.readAndDispatch())
            d.sleep();
    }
    d.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet109.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 109");
    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  ww w.  j ava 2s  .c o  m*/
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:ScreenShotWithGC.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Capture");
    button.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {

            /* Take the screen shot */
            GC gc = new GC(display);
            final Image image = new Image(display, display.getBounds());
            gc.copyArea(image, 0, 0);/*www  .  j  a va  2 s  .  c  o  m*/
            gc.dispose();

            Shell popup = new Shell(shell, SWT.SHELL_TRIM);
            popup.setLayout(new FillLayout());
            popup.setText("Image");
            popup.setBounds(50, 50, 200, 200);
            popup.addListener(SWT.Close, new Listener() {
                public void handleEvent(Event e) {
                    image.dispose();
                }
            });

            ScrolledComposite sc = new ScrolledComposite(popup, SWT.V_SCROLL | SWT.H_SCROLL);
            Canvas canvas = new Canvas(sc, SWT.NONE);
            sc.setContent(canvas);
            canvas.setBounds(display.getBounds());
            canvas.addPaintListener(new PaintListener() {
                public void paintControl(PaintEvent e) {
                    e.gc.drawImage(image, 0, 0);
                }
            });
            popup.open();
        }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet130.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 130");
    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(widgetSelectedAdapter(e -> {
        Runnable longJob = new Runnable() {
            boolean done = false;
            int id;

            @Override//from w w  w.j  a  va2  s . c  o m
            public void run() {
                Thread thread = new Thread(() -> {
                    id = nextId[0]++;
                    display.syncExec(() -> {
                        if (text.isDisposed())
                            return;
                        text.append("\nStart long running task " + id);
                    });
                    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(() -> {
                        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:SyncExecExample.java

public static void main(String[] args) {

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

    final Runnable print = new Runnable() {
        public void run() {
            System.out.println("Print from thread: \t" + Thread.currentThread().getName());
        }/*from  w  ww .j  a v  a2 s .  c  o m*/
    };

    final Thread applicationThread = new Thread("applicationThread") {
        public void run() {
            System.out.println("Hello from thread: \t" + Thread.currentThread().getName());
            display.syncExec(print);
            System.out.println("Bye from thread: \t" + Thread.currentThread().getName());
        }
    };

    shell.setText("syncExec Example");
    shell.setSize(300, 100);

    Button button = new Button(shell, SWT.CENTER);
    button.setText("Click to start");
    button.setBounds(shell.getClientArea());
    button.addSelectionListener(new SelectionListener() {
        public void widgetDefaultSelected(SelectionEvent e) {
        }

        public void widgetSelected(SelectionEvent e) {
            applicationThread.start();
        }
    });

    shell.open();

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {// If no more entries in event queue
            display.sleep();
        }
    }

    display.dispose();

}

From source file:ScrollWidgetViewFocusIn.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    Button b1 = new Button(shell, SWT.PUSH);
    b1.setText("top");
    b1.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));
    final ScrolledComposite sc = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    sc.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    Composite c = new Composite(sc, SWT.NONE);
    c.setLayout(new GridLayout(10, true));
    for (int i = 0; i < 300; i++) {
        Button b = new Button(c, SWT.PUSH);
        b.setText("Button " + i);
    }//from  w  w w. j  av a 2s  .co m
    Button b2 = new Button(shell, SWT.PUSH);
    b2.setText("bottom");
    b2.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));

    sc.setContent(c);
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);
    sc.setMinSize(c.computeSize(SWT.DEFAULT, SWT.DEFAULT));

    Listener listener = new Listener() {
        public void handleEvent(Event e) {
            Control child = (Control) e.widget;
            Rectangle bounds = child.getBounds();
            Rectangle area = sc.getClientArea();
            Point origin = sc.getOrigin();
            if (origin.x > bounds.x)
                origin.x = Math.max(0, bounds.x);
            if (origin.y > bounds.y)
                origin.y = Math.max(0, bounds.y);
            if (origin.x + area.width < bounds.x + bounds.width)
                origin.x = Math.max(0, bounds.x + bounds.width - area.width);
            if (origin.y + area.height < bounds.y + bounds.height)
                origin.y = Math.max(0, bounds.y + bounds.height - area.height);
            sc.setOrigin(origin);
        }
    };
    Control[] controls = c.getChildren();
    for (int i = 0; i < controls.length; i++) {
        controls[i].addListener(SWT.Activate, listener);
    }
    shell.setSize(300, 500);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:ModifyDOM.java

public static void main(String[] args) {
    final String html = "<html><title>Snippet</title><body><p id='myid'>Best Friends</p><p id='myid2'>Cat and Dog</p></body></html>";
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    final Browser browser = new Browser(shell, SWT.BORDER);
    Composite comp = new Composite(shell, SWT.NONE);
    comp.setLayout(new FillLayout(SWT.VERTICAL));
    final Text text = new Text(comp, SWT.MULTI);
    text.setText("var newNode = document.createElement('P'); \r\n"
            + "var text = document.createTextNode('At least when I am around');\r\n"
            + "newNode.appendChild(text);\r\n" + "document.getElementById('myid').appendChild(newNode);\r\n"
            + "\r\n" + "document.bgColor='yellow';");
    final Button button = new Button(comp, SWT.PUSH);
    button.setText("Execute Script");
    button.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {
            boolean result = browser.execute(text.getText());
            if (!result) {
                /*/*from  ww w.j av a 2  s.  c o m*/
                 * Script may fail or may not be supported on certain
                 * platforms.
                 */
                System.out.println("Script was not executed.");
            }
        }
    });
    browser.setText(html);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:ScrollBarSelectionListener.java

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

    final ScrolledComposite sc1 = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    Button button1 = new Button(sc1, SWT.PUSH);
    button1.setText("Button 1");
    button1.setSize(400, 300);//from  w w  w  . j  a  v a  2s .c o  m
    sc1.setContent(button1);

    final ScrolledComposite sc2 = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    Button button2 = new Button(sc2, SWT.PUSH);
    button2.setText("Button 2");
    button2.setSize(300, 400);
    sc2.setContent(button2);

    final ScrollBar vBar1 = sc1.getVerticalBar();
    final ScrollBar vBar2 = sc2.getVerticalBar();
    final ScrollBar hBar1 = sc1.getHorizontalBar();
    final ScrollBar hBar2 = sc2.getHorizontalBar();
    SelectionListener listener1 = new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            int x = hBar1.getSelection() * (hBar2.getMaximum() - hBar2.getThumb())
                    / Math.max(1, hBar1.getMaximum() - hBar1.getThumb());
            int y = vBar1.getSelection() * (vBar2.getMaximum() - vBar2.getThumb())
                    / Math.max(1, vBar1.getMaximum() - vBar1.getThumb());
            sc2.setOrigin(x, y);
        }
    };
    SelectionListener listener2 = new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            int x = hBar2.getSelection() * (hBar1.getMaximum() - hBar1.getThumb())
                    / Math.max(1, hBar2.getMaximum() - hBar2.getThumb());
            int y = vBar2.getSelection() * (vBar1.getMaximum() - vBar1.getThumb())
                    / Math.max(1, vBar2.getMaximum() - vBar2.getThumb());
            sc1.setOrigin(x, y);
        }
    };
    vBar1.addSelectionListener(listener1);
    hBar1.addSelectionListener(listener1);
    vBar2.addSelectionListener(listener2);
    hBar2.addSelectionListener(listener2);

    shell.setSize(400, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:ScrollBarAuto.java

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

    // 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);//from w  w  w.j a  v a 2s  .  c  om
    c2.setExpandHorizontal(true);
    c2.setExpandVertical(true);
    c2.setMinWidth(400);
    c2.setMinHeight(400);

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

From source file:org.eclipse.swt.snippets.Snippet335.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 335");
    shell.setLayout(new GridLayout());

    Label label = new Label(shell, SWT.WRAP | SWT.BORDER);
    GridData labelData = new GridData();
    labelData.widthHint = 10; /* default width */
    labelData.horizontalAlignment = SWT.FILL; /* grow to fill available width */
    label.setLayoutData(labelData);//from  ww w.  j av a 2  s .  co m
    label.setText(
            "Snippets are minimal stand-alone programs that demonstrate specific techniques or functionality.");
    new Button(shell, SWT.PUSH).setText("This button determines the Shell's width");

    /* do an initial pack() so that the Shell determines its required width */
    shell.pack();

    /* update the Label's width hint to match what the layout allocated for it */
    labelData.widthHint = label.getBounds().width;

    /*
     * do a second pack() so that the Label will compute its required height
     * based on its correct width instead of its previously-set default width
     */
    shell.pack();

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