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

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

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Introduction

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

Prototype

public void dispose()

Source Link

Usage

From source file:org.eclipse.swt.snippets.Snippet4.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 4");
    Button b = new Button(shell, SWT.PUSH);
    b.setText("Open Dialog ...");
    b.pack();/*from   ww  w  .j a  v  a2  s.  c o m*/
    Rectangle clientArea = shell.getClientArea();
    b.setLocation(clientArea.x + 10, clientArea.y + 10);
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Shell dialog = new Shell(shell, SWT.DIALOG_TRIM);
        dialog.addListener(SWT.Traverse, t -> {
            if (t.detail == SWT.TRAVERSE_ESCAPE) {
                t.doit = false;
            }
        });
        dialog.open();
    }));
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:ImageGrayScale.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) {
            Image image = new Image(display, "yourFile.gif");

            Image disable = new Image(display, image, SWT.IMAGE_GRAY);

            e.gc.drawImage(disable, 10, 10);

            e.gc.drawImage(image, 10, 50);

            image.dispose();/*  ww  w.  j  a  v  a2 s  . co  m*/
            disable.dispose();
        }
    });

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

From source file:org.eclipse.swt.snippets.Snippet369.java

public static void main(String[] args) throws Exception {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 369");
    shell.setLayout(new FillLayout());
    shell.setText("Line spacing provider in action");

    StyledText text = new StyledText(shell, SWT.BORDER | SWT.V_SCROLL);
    text.setText("// Type your custom line spacing \n10\n5\nabcd\n20\nefgh");

    text.setLineSpacingProvider(lineIndex -> {
        String line = text.getLine(lineIndex).trim();
        try {/*www . ja v  a 2  s  .com*/
            return Integer.parseInt(line);
        } catch (NumberFormatException e) {
            return null;
        }
    });

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

From source file:org.eclipse.swt.snippets.Snippet197.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 197");
    final TextLayout layout = new TextLayout(display);
    layout.setText(longString);//from ww w.  j a v  a  2  s.  c o m
    Listener listener = event -> {
        switch (event.type) {
        case SWT.Paint:
            layout.draw(event.gc, 10, 10);
            break;
        case SWT.Resize:
            layout.setWidth(shell.getSize().x - 20);
            break;
        }
    };
    shell.addListener(SWT.Paint, listener);
    shell.addListener(SWT.Resize, listener);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    layout.dispose();
    display.dispose();
}

From source file:ImageDisable.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) {
            Image image = new Image(display, "yourFile.gif");

            Image disable = new Image(display, image, SWT.IMAGE_DISABLE);

            e.gc.drawImage(disable, 10, 10);

            e.gc.drawImage(image, 10, 50);

            image.dispose();//from  w ww.ja  v a  2s .c o m
            disable.dispose();
        }
    });

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

From source file:ImageDataManipuatation.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) {
            Image image = new Image(display, "yourFile.gif");

            ImageData data = image.getImageData();

            data.setPixel(5, 5, 5);//from   w w w .jav a  2  s. c  om

            Image anotherImage = new Image(display, data);
            e.gc.drawImage(anotherImage, 10, 10);
            image.dispose();
        }
    });

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

From source file:StyledTextVerifyListenerBackspaceDelete.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 event) {
            System.out.println(event.character);
            event.doit = false;/*from   w  ww.ja  v  a 2s  .  c o m*/
            // Allow backspace and delete
            if (event.character == '\u0008' || event.character == '\u007F') {
                event.doit = true;
            }
        }
    });

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

}

From source file:Snippet29.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Menu bar = new Menu(shell, SWT.BAR);
    shell.setMenuBar(bar);//from   ww w .  j  a  v  a2 s.c o m
    MenuItem fileItem = new MenuItem(bar, SWT.CASCADE);
    fileItem.setText("File");
    Menu submenu = new Menu(shell, SWT.DROP_DOWN);
    fileItem.setMenu(submenu);
    MenuItem item = new MenuItem(submenu, SWT.PUSH);
    item.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {
            System.out.println("Select All");
        }
    });
    item.setText("Select &All\tCtrl+A");
    item.setAccelerator(SWT.CTRL + 'A');
    shell.setSize(200, 200);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:StyledTextListenerVerify.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    StyledText styledText = new StyledText(shell, SWT.WRAP | SWT.BORDER);
    styledText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    styledText.setText("text");

    // use a verify listener to keep the offsets up to date
    styledText.addVerifyListener(new VerifyListener() {
        public void verifyText(VerifyEvent e) {
            System.out.println(e.start);
            System.out.println(e.start);
            System.out.println(e.text.length());
        }/*from www.  j a  v a 2s  .  c  o  m*/
    });

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

From source file:Snippet19.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Text text = new Text(shell, SWT.BORDER | SWT.V_SCROLL);
    text.setBounds(10, 10, 200, 200);//w w  w . j  a  v  a2  s . c o  m
    text.addListener(SWT.Verify, new Listener() {
        public void handleEvent(Event e) {
            String string = e.text;
            char[] chars = new char[string.length()];
            string.getChars(0, chars.length, chars, 0);
            for (int i = 0; i < chars.length; i++) {
                if (!('0' <= chars[i] && chars[i] <= '9')) {
                    e.doit = false;
                    return;
                }
            }
        }
    });
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}