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()

Source Link

Document

Constructs a new instance of this class.

Usage

From source file:SyntaxColoring.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);

    final String PUNCTUATION = "(){}";
    styledText.addExtendedModifyListener(new ExtendedModifyListener() {
        public void modifyText(ExtendedModifyEvent event) {
            int end = event.start + event.length - 1;

            if (event.start <= end) {
                String text = styledText.getText(event.start, end);
                java.util.List ranges = new java.util.ArrayList();

                for (int i = 0, n = text.length(); i < n; i++) {
                    if (PUNCTUATION.indexOf(text.charAt(i)) > -1) {
                        ranges.add(new StyleRange(event.start + i, 1, display.getSystemColor(SWT.COLOR_BLUE),
                                null, SWT.BOLD));
                    }/*from w w w  .  j  a  v  a2 s .  c om*/
                }
                if (!ranges.isEmpty()) {
                    styledText.replaceStyleRanges(event.start, event.length,
                            (StyleRange[]) ranges.toArray(new StyleRange[0]));
                }
            }
        }
    });

    styledText.setBounds(10, 10, 500, 100);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

From source file:ComboTransferFocus.java

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

    Text text = new Text(shell, SWT.SINGLE | SWT.BORDER);
    text.setText("Press TAB");

    Combo combo = new Combo(shell, SWT.NONE);
    combo.setItems(new String[] { "Press enter to select", "B-1", "C-1" });

    combo.addTraverseListener(new TraverseListener() {
        public void keyTraversed(TraverseEvent e) {
            if (e.detail == SWT.TRAVERSE_TAB_NEXT) {
                e.doit = false;//from  ww w. ja v  a  2 s .com
                e.detail = SWT.TRAVERSE_NONE;
            }
        }
    });

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

From source file:ImageLoadingFromFile.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");

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

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

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

From source file:LabelExample.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell();
    shell.setLayout(new GridLayout(1, false));

    // Create a label
    new Label(shell, SWT.NONE).setText("This is a plain label.");

    // Create a vertical separator
    new Label(shell, SWT.SEPARATOR);

    // Create a label with a border
    new Label(shell, SWT.BORDER).setText("This is a label with a border.");

    // Create a horizontal separator
    Label separator = new Label(shell, SWT.HORIZONTAL | SWT.SEPARATOR);
    separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Create a label with an image
    Image image = new Image(display, "java2s.gif");
    Label imageLabel = new Label(shell, SWT.NONE);
    imageLabel.setImage(image);/*w w  w . ja v  a 2s .  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[] a) {

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

    shell.setSize(250, 200);/*from   w w w. j av a2s . c o  m*/

    shell.setLayout(new RowLayout());

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Push Me");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            PopupList list = new PopupList(shell);
            String[] OPTIONS = { "A", "B", "C" };

            list.setItems(OPTIONS);

            String selected = list.open(shell.getBounds());

            System.out.println(selected);
        }
    });

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

From source file:HelloWorld4.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new HelloWorld4().open(display);
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();//  ww w . j  av  a2  s .c  o  m
    }
    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();/*  ww  w. j  a  v a 2s . c o  m*/
            disable.dispose();
        }
    });

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

From source file:TreeClass.java

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

    final Text text = new Text(shell, SWT.BORDER);
    text.setBounds(0, 270, 290, 25);/*from   ww  w  .jav a 2s.c o m*/

    final Tree tree = new Tree(shell, SWT.CHECK | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    tree.setSize(290, 260);
    shell.setSize(300, 330);

    for (int loopIndex0 = 0; loopIndex0 < 10; loopIndex0++) {
        TreeItem treeItem0 = new TreeItem(tree, 0);
        treeItem0.setText("Level 0 Item " + loopIndex0);
        for (int loopIndex1 = 0; loopIndex1 < 10; loopIndex1++) {
            TreeItem treeItem1 = new TreeItem(treeItem0, 0);
            treeItem1.setText("Level 1 Item " + loopIndex1);
            for (int loopIndex2 = 0; loopIndex2 < 10; loopIndex2++) {
                TreeItem treeItem2 = new TreeItem(treeItem1, 0);
                treeItem2.setText("Level 2 Item " + loopIndex2);
            }
        }
    }

    tree.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {
            if (event.detail == SWT.CHECK) {
                text.setText(event.item + " was checked.");
            } else {
                text.setText(event.item + " was selected");
            }
        }
    });

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

From source file:CellBackground.java

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

    Color red = display.getSystemColor(SWT.COLOR_RED);
    Color gray = display.getSystemColor(SWT.COLOR_GRAY);
    Color blue = display.getSystemColor(SWT.COLOR_BLUE);

    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());

    Table table = new Table(shell, SWT.BORDER);
    table.setBackground(gray);//from  ww w  .j  a  v a2 s  .  c  o  m

    TableColumn column1 = new TableColumn(table, SWT.NONE);
    TableColumn column2 = new TableColumn(table, SWT.NONE);
    TableColumn column3 = new TableColumn(table, SWT.NONE);

    TableItem item = new TableItem(table, SWT.NONE);
    item.setText(new String[] { "normal", "blue background", "red background" });
    item.setBackground(1, blue);
    item.setBackground(2, red);

    column1.pack();
    column2.pack();
    column3.pack();

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

From source file:TreeNodeCollapseListener.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);
    for (int i = 0; i < 4; i++) {
        TreeItem item0 = new TreeItem(tree, 0);
        item0.setText("Item " + i);
        for (int j = 0; j < 4; j++) {
            TreeItem item1 = new TreeItem(item0, 0);
            item1.setText("SubItem " + i + " " + j);
            for (int k = 0; k < 4; k++) {
                TreeItem item2 = new TreeItem(item1, 0);
                item2.setText("SubItem " + i + " " + j + " " + k);
            }//from  w  w w.ja  va 2s .c om
        }
    }
    tree.addListener(SWT.Collapse, new Listener() {
        public void handleEvent(Event e) {
            System.out.println("Collapse={" + e.item + "}");
        }
    });

    tree.getItems()[0].setExpanded(true);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}