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:StyledTextExtendedModifyListener.java

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

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

    styledText.addExtendedModifyListener(new ExtendedModifyListener() {
        public void modifyText(ExtendedModifyEvent event) {
            System.out.println(event.start);
            System.out.println(event.length);
            System.out.println(event.replacedText);
        }/*from w w w .ja  va 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:org.eclipse.swt.snippets.Snippet263.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("PowerPoint Example");
    shell.setLayout(new FillLayout());
    try {//w  w w .  j  a  v  a 2s . c  o  m
        OleFrame frame = new OleFrame(shell, SWT.NONE);
        clientSite = new OleClientSite(frame, SWT.NONE, "PowerPoint.Slide");
        addFileMenu(frame);
    } catch (SWTError e) {
        System.out.println("Unable to open activeX control");
        display.dispose();
        return;
    }
    shell.setSize(800, 600);
    shell.open();

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

From source file:MainClass.java

public static void main(String[] a) {
    Display display = new Display();

    // Create the main window
    Shell shell = new Shell(display);

    Text fahrenheit = new Text(shell, SWT.BORDER);
    fahrenheit.setData("Type a temperature in Fahrenheit");
    fahrenheit.setBounds(20, 20, 100, 20);

    fahrenheit.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent event) {
            // Get the widget whose text was modified
            Text text = (Text) event.widget;
            System.out.println(text.getText());
        }//from   ww w  .  j ava2  s  . co m
    });

    shell.open();

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

From source file:FontDataConstruct.java

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

            Font font = new Font(shell.getDisplay(), new FontData("Helvetica", 18, SWT.NORMAL));
            e.gc.setFont(font);//from   w  w  w .j a va  2  s  .c  om
            e.gc.drawText("My Text", 0, 0);
            font.dispose();

        }
    });

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

From source file:UntypedEventListener.java

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

    Button button = new Button(shell, SWT.NONE);
    button.setText("Click and check the console");
    button.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {

            System.out.println(e.button);

            switch (e.type) {
            case SWT.Selection:
                System.out.println("Button pressed");
                break;
            }//from   w w w  . j  a va 2  s .  c  o  m
        }
    });

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

From source file:org.eclipse.swt.snippets.Snippet290.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 290");
    shell.addMouseListener(new MouseAdapter() {
        @Override/*from   w  w  w .  j a  va2s.co  m*/
        public void mouseUp(MouseEvent e) {
            if (e.count == 1) {
                System.out.println("Mouse up");
            }
        }

        @Override
        public void mouseDoubleClick(MouseEvent e) {
            System.out.println("Double-click");
        }
    });
    shell.setBounds(10, 10, 200, 200);
    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 d = new Display();
    final Shell shell = new Shell(d);

    shell.setSize(250, 200);//from  www .ja  va  2  s.com

    shell.setLayout(new FillLayout());
    Text text = new Text(shell, SWT.BORDER);

    text.addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent event) {
            switch (event.keyCode) {
            case SWT.CR:
                System.out.println(SWT.CR);
            case SWT.ESC:
                System.out.println(SWT.ESC);
                break;
            }
        }
    });

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

From source file:cit.workflow.engine.manager.test.SWTTimeSeriesDemo.java

/**
 * Starting point for the demonstration application.
 *
 * @param args  ignored.//w  w  w. j ava  2 s. com
 */
public static void main(String[] args) {
    final JFreeChart chart = createChart(createDataset());
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setSize(600, 300);
    shell.setLayout(new FillLayout());
    shell.setText("Time series demo for jfreechart running with SWT");
    ChartComposite frame = new ChartComposite(shell, SWT.NONE, chart, true);
    frame.setDisplayToolTips(true);
    frame.setHorizontalAxisTrace(false);
    frame.setVerticalAxisTrace(false);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
}

From source file:org.eclipse.swt.snippets.Snippet243.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 243");
    shell.setLayout(new FillLayout());
    final Text text0 = new Text(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    final Text text1 = new Text(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    text0.addVerifyListener(event -> {
        text1.setTopIndex(text0.getTopIndex());
        text1.setSelection(event.start, event.end);
        text1.insert(event.text);//from w ww .j  av  a 2 s  .  c om
    });
    shell.setBounds(10, 10, 200, 200);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet262.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Word Example");
    shell.setLayout(new FillLayout());
    try {//from   w  ww. ja  v a  2 s . c  o  m
        frame = new OleFrame(shell, SWT.NONE);
        clientSite = new OleClientSite(frame, SWT.NONE, "Word.Document");
        addFileMenu(frame);
    } catch (SWTError e) {
        System.out.println("Unable to open activeX control");
        display.dispose();
        return;
    }
    shell.setSize(800, 600);
    shell.open();

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