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

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

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Introduction

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

Prototype

public Display()

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Document

Constructs a new instance of this class.

Usage

From source file:Snippet22.java

License:asdf

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Text text = new Text(shell, 0);
    text.setText("ASDF");
    text.setSize(64, 32);/*from ww w .  j  a va 2 s  .  c o m*/
    text.selectAll();
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:FormLayoutAttachEachOther.java

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

    shell.setLayout(new FormLayout());

    Button button1 = new Button(shell, SWT.PUSH);
    button1.setText("button1");

    FormData formData = new FormData();
    formData.left = new FormAttachment(20);
    formData.top = new FormAttachment(20);
    button1.setLayoutData(formData);//from  w ww .  ja  v  a  2s.c  o  m

    Button button2 = new Button(shell, SWT.PUSH);
    button2.setText("button number 2");

    formData = new FormData();
    formData.left = new FormAttachment(button1, 0, SWT.CENTER);
    formData.top = new FormAttachment(button1, 0, SWT.CENTER);
    button2.setLayoutData(formData);

    shell.pack();
    shell.open();
    // Set up the event loop.
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            // If no more entries in event queue
            display.sleep();
        }
    }
    display.dispose();
}

From source file:GridLayoutGrabExpressionSpace.java

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

    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 2;//from   ww w  .ja  v a2 s  . c o  m
    gridLayout.makeColumnsEqualWidth = true;

    shell.setLayout(gridLayout);

    Button button1 = new Button(shell, SWT.PUSH);
    button1.setText("button1"); // Default alignment

    List list = new List(shell, SWT.BORDER);
    list.add("item 1");
    list.add("item 2");
    list.add("item 3");
    GridData gridData = new GridData();
    gridData.grabExcessHorizontalSpace = true;
    gridData.horizontalAlignment = GridData.FILL;
    list.setLayoutData(gridData);

    Button button2 = new Button(shell, SWT.PUSH);
    button2.setText("button #2");
    button2.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_END));

    Button button3 = new Button(shell, SWT.PUSH);
    button3.setText("3");

    shell.setSize(450, 400);
    shell.open();

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

From source file:FormLayoutCenterAnotherControl.java

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

    shell.setLayout(new FormLayout());

    Button button1 = new Button(shell, SWT.PUSH);
    button1.setText("button1");

    Button button2 = new Button(shell, SWT.PUSH);
    button2.setText("button222222222222222222222");

    FormData formData = new FormData();
    formData.left = new FormAttachment(button1);
    button2.setLayoutData(formData);/*from w ww .j a v  a  2s  . com*/

    Button button3 = new Button(shell, SWT.PUSH);
    button3.setText("button3");

    formData = new FormData();
    formData.top = new FormAttachment(button2, 10);
    formData.left = new FormAttachment(button2, 0, SWT.CENTER);
    button3.setLayoutData(formData);

    shell.setSize(450, 400);
    shell.open();

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

From source file:Snippet74.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Caret caret = new Caret(shell, SWT.NONE);
    caret.setBounds(10, 10, 2, 32);//from  ww  w  .j av  a 2 s  .  c o  m
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:SpinnerSelectionListener.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Spinner with float values");
    shell.setLayout(new GridLayout());
    final Spinner spinner = new Spinner(shell, SWT.NONE);
    // allow 3 decimal places
    spinner.setDigits(3);//w  ww.j  a va 2 s.c o  m
    // set the minimum value to 0.001
    spinner.setMinimum(1);
    // set the maximum value to 20
    spinner.setMaximum(20000);
    // set the increment value to 0.010
    spinner.setIncrement(10);
    // set the seletion to 3.456
    spinner.setSelection(3456);

    spinner.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            int selection = spinner.getSelection();
            int digits = spinner.getDigits();
            System.out.println("Selection is " + (selection / Math.pow(10, digits)));
        }
    });

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

From source file:MainClass.java

public static void main(String[] args) {

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

    final Image image = new Image(display, new MainClass().getClass().getResourceAsStream("swt.png"));
    System.out.println(image.getImageData().scanlinePad);
    image.getImageData().scanlinePad = 40;
    System.out.println(image.getImageData().scanlinePad);

    shell.addPaintListener(new PaintListener() {
        public void paintControl(PaintEvent event) {
            event.gc.drawImage(image, 0, 0);
            Rectangle rect = shell.getClientArea();
            ImageData data = image.getImageData();

            int srcX = data.width / 4;
            int srcY = data.height / 4;
            int srcWidth = data.width / 2;
            int srcHeight = data.height / 2;
            int destWidth = 2 * srcWidth;
            int destHeight = 2 * srcHeight;

            event.gc.drawImage(image, srcX, srcY, srcWidth, srcHeight, rect.width - destWidth,
                    rect.height - destHeight, destWidth, destHeight);
        }//from   w w w  . jav a2 s. c  o m
    });
    shell.setText("Draw Images");
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    image.dispose();
    display.dispose();
}

From source file:SineFunctionPlotting.java

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

    Canvas canvas = new Canvas(shell, SWT.NONE);

    canvas.addPaintListener(new PaintListener() {
        public void paintControl(PaintEvent e) {
            Canvas canvas = (Canvas) e.widget;
            int maxX = canvas.getSize().x;
            int maxY = canvas.getSize().y;

            // Calculate the middle
            int halfX = (int) maxX / 2;
            int halfY = (int) maxY / 2;

            // Set the line color and draw a horizontal axis
            e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_BLACK));
            e.gc.drawLine(0, halfY, maxX, halfY);

            // Draw the sine wave
            for (int i = 0; i < maxX; i++) {
                e.gc.drawPoint(i, getNormalizedSine(i, halfY, maxX));
            }/*from  w w  w  . java2s .c o  m*/
        }
    });

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

From source file:MainClass.java

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

    PrintDialog dlg = new PrintDialog(shell);

    dlg.setScope(PrinterData.SELECTION);

    PrinterData printerData = dlg.open();
    if (printerData != null) {
        Printer printer = new Printer(printerData);
        System.out.println(printer.getClientArea());

        Point dpi = printer.getDPI(); // Get the DPI
        Rectangle rect = printer.getClientArea(); // Get the printable area
        Rectangle trim = printer.computeTrim(0, 0, 0, 0); // Get the whole page
        int left = trim.x + dpi.x; // Set left margin one inch from left side of paper
        int top = trim.y + dpi.y; // Set top margin
        int right = (rect.width + trim.x + trim.width) - dpi.x; // 1st three
                                                                // values give
                                                                // you the right side of the page
        int bottom = (rect.height + trim.y + trim.height) - dpi.y; // Set bottom
                                                                   // margin

        // use left, top, right, and bottom as the boundaries that govern where
        // you draw on the page.

        printer.dispose();/*from  w ww . j  av  a  2  s.co m*/
    }

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

From source file:MainClass.java

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

    final ToolBar bar = new ToolBar(s, SWT.HORIZONTAL);
    bar.setSize(300, 70);/* w  w  w.  ja  v a  2s. c o  m*/
    bar.setLocation(0, 0);

    // create images for toolbar buttons
    // final Image saveIcon = new Image(d, "c:\\icons\\save.jpg");
    // final Image openIcon = new Image(d, "c:\\icons\\open.jpg");
    // final Image cutIcon = new Image(d, "c:\\icons\\cut.jpg");
    // final Image copyIcon = new Image(d, "c:\\icons\\copy.jpg");
    // final Image pasteIcon = new Image(d, "c:\\icons\\paste.jpg");

    // create and add the button for performing an open operation
    final ToolItem openToolItem = new ToolItem(bar, SWT.PUSH);
    // openToolItem.setImage(openIcon);
    openToolItem.setText("Open");
    openToolItem.setToolTipText("Open File");

    // create and add the button for performing a save operation
    final ToolItem saveToolItem = new ToolItem(bar, SWT.PUSH);
    // saveToolItem.setImage(saveIcon);
    saveToolItem.setText("Save");
    saveToolItem.setToolTipText("Save File");

    // create inner classes for SelectionListeners
    class Open implements SelectionListener {
        public void widgetSelected(SelectionEvent event) {
            System.out.println("Open");
        }

        public void widgetDefaultSelected(SelectionEvent event) {
        }
    }
    openToolItem.addSelectionListener(new Open());

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