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

Introduction

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

Prototype

public boolean readAndDispatch()

Source Link

Document

Reads an event from the event queue, dispatches it appropriately, and returns true if there is potentially more work to do, or false if the caller can sleep until another event is placed on the event queue.

Usage

From source file:FormLayoutLeftRight.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 .  jav a  2s  .  co  m

    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:PaintAWTInsideSWT.java

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

    Frame frame = SWT_AWT.new_Frame(composite);
    Canvas canvas = new Canvas() {
        public void paint(Graphics g) {
            Dimension d = getSize();
            g.drawLine(0, 0, d.width, d.height);
        }//from  www.  j a v a  2s. c  om
    };
    frame.add(canvas);

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

From source file:TabFolderTabItem.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    final TabFolder tabFolder = new TabFolder(shell, SWT.BORDER);
    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);// w w  w.  j  av  a  2s.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.Snippet284.java

public static void main(String[] args) {

    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("URLTransfer");
    shell.setLayout(new FillLayout());
    final Label label1 = new Label(shell, SWT.BORDER);
    label1.setText("http://www.eclipse.org");
    final Label label2 = new Label(shell, SWT.BORDER);
    setDragSource(label1);//from w w w .  j  ava  2  s.c  om
    setDropTarget(label2);
    shell.setSize(600, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:ShellControlsGetting.java

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

    for (int i = 0; i < 20; i++) {
        Button button = new Button(shell, SWT.TOGGLE);
        button.setText("B" + i);
    }/*ww  w .j a v a  2 s  .  co  m*/
    Control[] children = shell.getChildren();
    for (int i = 0; i < children.length; i++) {
        Control child = children[i];
        System.out.println(child);
    }

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

From source file:DrawArcSWT.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) {
            e.gc.setBackground(e.display.getSystemColor(SWT.COLOR_BLACK));
            e.gc.fillArc(200, 100, 500, 400, 30, 40);
        }// w  ww.  j a  v  a2 s.  c o  m
    });

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

From source file:StyledTextVerifyKeyListener.java

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

    StyledText styledText = new StyledText(shell, SWT.V_SCROLL | SWT.BORDER);
    styledText.setText("12345");

    styledText.addVerifyKeyListener(new VerifyKeyListener() {

        public void verifyKey(VerifyEvent e) {
            System.out.println(e.character);
            e.doit = false;/* ww  w. j  ava  2 s .c  o  m*/

        }
    });

    styledText.setBounds(10, 10, 100, 100);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();

}

From source file:CTabFolderAddCTabItem.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    CTabFolder folder = new CTabFolder(shell, SWT.BORDER);
    for (int i = 0; i < 4; i++) {
        CTabItem item = new CTabItem(folder, SWT.CLOSE);
        item.setText("Item " + i);
        Text text = new Text(folder, SWT.MULTI);
        text.setText("Content for Item " + i);
        item.setControl(text);//from  w  ww .ja  va  2 s .co  m
    }

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

From source file:DrawingProcessNewLine.java

public static void main(String[] args) {
    final 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) {
            e.gc.drawText("www.\njava2s\t.com", 5, 5, true);
            e.gc.drawText("www.\njava2s\t.com", 5, 55, false);

        }/*  ww w .  ja v  a  2  s  .  c o m*/
    });

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

From source file:org.eclipse.swt.snippets.Snippet351.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.setText("WebKit");
    final Browser browser;
    try {//from  w  ww. j a  v a  2s.c o  m
        browser = new Browser(shell, SWT.WEBKIT);
    } catch (SWTError e) {
        System.out.println("Could not instantiate Browser: " + e.getMessage());
        display.dispose();
        return;
    }
    shell.open();
    browser.setUrl("http://webkit.org");
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}