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

Introduction

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

Prototype

public static Display getCurrent() 

Source Link

Document

Returns the display which the currently running thread is the user-interface thread for, or null if the currently running thread is not a user-interface thread for any display.

Usage

From source file:org.eclipse.swt.snippets.Snippet353.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 353");

    GestureListener gl = ge -> {//from w  w  w.ja  v  a  2s .c  o m
        if (ge.detail == SWT.GESTURE_BEGIN) {
            currentRotation = rotation;
            currentMagnification = magnification;
        }

        if (ge.detail == SWT.GESTURE_ROTATE) {
            rotation = currentRotation - ge.rotation;
            shell.redraw();
        }

        if (ge.detail == SWT.GESTURE_MAGNIFY) {
            magnification = (float) (currentMagnification * ge.magnification);
            shell.redraw();
        }

        if (ge.detail == SWT.GESTURE_SWIPE) {
            // xDirection and yDirection indicate direction for GESTURE_SWIPE.
            // For this example, just move in that direction to demonstrate it's working.
            origin.x += ge.xDirection * 50;
            origin.y += ge.yDirection * 50;
            shell.redraw();
        }

        if (ge.detail == SWT.GESTURE_PAN) {
            origin.x += ge.xDirection;
            origin.y += ge.yDirection;
            shell.redraw();
        }

        if (ge.detail == SWT.GESTURE_END) {

        }
    };

    PaintListener pl = e -> {
        Transform t = new Transform(Display.getCurrent());
        t.translate(origin.x, origin.y);
        t.translate(size.x / 2, size.y / 2);
        t.rotate((float) rotation);
        t.translate(-size.x / 2, -size.y / 2);
        t.translate(-origin.x, -origin.y);
        e.gc.setAntialias(SWT.ON);
        e.gc.setTransform(t);

        // Because of bug 253670, drawRectangle is incorrect when the rotation is near 45, 135, 225 or 315 degrees.
        // Uncomment this next line and adjust the bitfield for your platform. See GC#DRAW_OFFSET.
        //e.gc.getGCData().state |= 1 << 9;

        e.gc.drawRectangle(origin.x, origin.y, (int) (size.x * magnification), (int) (size.y * magnification));
        t.dispose();
    };

    shell.addPaintListener(pl);
    shell.addGestureListener(gl);
    shell.setSize(400, 400);
    size = new Point(50, 50);
    origin = new Point((shell.getSize().x - size.x) / 2, (shell.getSize().y - size.y) / 2);
    shell.open();

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

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From source file:AddressBookDemo.java

public static void main(String[] args) {
    AddressBookDemo book = new AddressBookDemo();

    book.setBlockOnOpen(true);/*from w  ww .  j a  v  a 2 s.  co m*/
    book.open();

    Display.getCurrent().dispose();
}

---

From source file:JFaceExplorer.java

public static void main(String[] args) {
    JFaceExplorer w = new JFaceExplorer();
    w.setBlockOnOpen(true);/* w w  w.  j a va 2s  .  c om*/
    w.open();
    Display.getCurrent().dispose();
}

---

From source file:TemperatureConverterJFace.java

public static void main(String[] args) {
    TemperatureConverterJFace converter = new TemperatureConverterJFace();
    converter.setBlockOnOpen(true);//from www . j  a  v a  2  s.  c  o  m
    converter.open();
    Display.getCurrent().dispose();
}

---

From source file:WordOLE.java

public static void main(String[] args) {
    WordOLE wordOLE = new WordOLE(null);
    wordOLE.setBlockOnOpen(true);//  w  w  w .j av  a  2s  .co  m
    wordOLE.open();

    Display.getCurrent().dispose();
}

---

From source file:ClassFigure.java

public static void main(String[] args) {
    ClassAnalyzer window = new ClassAnalyzer(null);

    window.setBlockOnOpen(true);/*from   w w w. j  a v  a 2  s. co m*/
    window.open();

    Display.getCurrent().dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet348.java

static void createMenuBar(Shell s) {
    Menu bar = Display.getCurrent().getMenuBar();
    boolean hasAppMenuBar = (bar != null);
    if (bar == null) {
        bar = new Menu(s, SWT.BAR);
    }/*from   w  w  w  .j a  v  a  2 s. c o m*/

    // Populate the menu bar once if this is a screen menu bar.
    // Otherwise, we need to make a new menu bar for each shell.
    if (!createdScreenBar || !hasAppMenuBar) {
        MenuItem item = new MenuItem(bar, SWT.CASCADE);
        item.setText("File");
        Menu menu = new Menu(item);
        item.setMenu(menu);
        menu.addMenuListener(new MenuListener() {

            @Override
            public void menuHidden(MenuEvent e) {
                System.out.println("Menu closed: " + e);
            }

            @Override
            public void menuShown(MenuEvent e) {
                System.out.println("Menu open: " + e);
            }

        });
        MenuItem newWindow = new MenuItem(menu, SWT.PUSH);
        newWindow.setText("New Window");
        newWindow.setAccelerator(SWT.MOD1 | 'N');
        newWindow.addListener(SWT.Selection, event -> {
            Shell s1 = createShell();
            s1.open();
        });
        if (!SWT.getPlatform().equals("cocoa")) {
            MenuItem exit = new MenuItem(menu, SWT.PUSH);
            exit.setText("Exit");
            exit.addListener(SWT.Selection, event -> {
                Display d = Display.getCurrent();
                Shell[] shells = d.getShells();
                for (Shell shell : shells) {
                    shell.close();
                }
            });
        }
        if (!hasAppMenuBar)
            s.setMenuBar(bar);
        createdScreenBar = true;
    }
}

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From source file:ApplicationWindowJFrace.java

public MainWindow() {
    super(null);//from  www  .  j  ava 2  s . c om
    // Don't return from open() until window closes
    setBlockOnOpen(true);

    // Open the main window
    open();

    // Dispose the display
    Display.getCurrent().dispose();

}

---

From source file:MainClass.java

public void run() {
    setBlockOnOpen(true);
    open();
    Display.getCurrent().dispose();
}

---

From source file:ExampleGUI.java

public static void main(String[] args) {
    // create a shell...
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.setText("KTable examples");

    // put a tab folder in it...
    TabFolder tabFolder = new TabFolder(shell, SWT.NONE);

    // Item 1: a Text Table
    TabItem item1 = new TabItem(tabFolder, SWT.NONE);
    item1.setText("Text Table");
    Composite comp1 = new Composite(tabFolder, SWT.NONE);
    item1.setControl(comp1);//from w w  w  .ja  va 2 s  .co  m
    comp1.setLayout(new FillLayout());

    // put a table in tabItem1...
    KTable table = new KTable(comp1, SWT.V_SCROLL | SWT.H_SCROLL);
    // table.setRowSelectionMode(true);
    table.setMultiSelectionMode(true);
    table.setModel(new KTableModelExample());
    table.addCellSelectionListener(new KTableCellSelectionListener() {
        public void cellSelected(int col, int row, int statemask) {
            System.out.println("Cell [" + col + ";" + row + "] selected.");
        }

        public void fixedCellSelected(int col, int row, int statemask) {
            System.out.println("Header [" + col + ";" + row + "] selected.");
        }

    });

    table.addCellResizeListener(new KTableCellResizeListener() {
        public void columnResized(int col, int newWidth) {
            System.out.println("Column " + col + " resized to " + newWidth);
        }

        public void rowResized(int newHeight) {
            System.out.println("Rows resized to " + newHeight);
        }

    });

    // Item 2: a Color Palette
    TabItem item2 = new TabItem(tabFolder, SWT.NONE);
    item2.setText("Color Palette");
    Composite comp2 = new Composite(tabFolder, SWT.NONE);
    item2.setControl(comp2);
    comp2.setLayout(new FillLayout());

    // put a table in tabItem2...
    final KTable table2 = new KTable(comp2, SWT.NONE);
    table2.setModel(new PaletteExampleModel());
    table2.setRowSelectionMode(false);
    table2.setMultiSelectionMode(false);
    final Label label = new Label(comp2, SWT.NONE);
    label.setText("Click a cell...");
    table2.addCellSelectionListener(new KTableCellSelectionAdapter() {
        public void cellSelected(int col, int row, int statemask) {
            RGB rgb = (RGB) table2.getModel().getContentAt(col, row);
            label.setText("R: " + rgb.red + "\nG: " + rgb.green + "\nB: " + rgb.blue);
        }
    });

    // Item 3: Town table
    TabItem item3 = new TabItem(tabFolder, SWT.NONE);
    item3.setText("Towns");
    Composite comp3 = new Composite(tabFolder, SWT.NONE);
    item3.setControl(comp3);
    comp3.setLayout(new FillLayout());

    // put a table in tabItem3...
    final KTable table3 = new KTable(comp3, SWT.FLAT | SWT.H_SCROLL);
    table3.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_LIST_BACKGROUND));
    table3.setModel(new TownExampleModel());
    table3.setRowSelectionMode(true);
    table3.setMultiSelectionMode(false);

    // display the shell...
    shell.setSize(600, 600);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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