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

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.examples.graphics.GraphicsExample.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new GraphicsExample().open(display);
    while (shell != null && !shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();/*from w  ww. j a va  2 s .  com*/
    }
    display.dispose();
}

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From source file:ComboSetItems.java

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

    String[] ITEMS = { "A", "B", "C", "D" };

    final Combo combo = new Combo(shell, SWT.DROP_DOWN);
    combo.setItems(ITEMS);//from  w  ww.ja  va 2  s .  c  om

    System.out.println(combo.getItemCount());

    combo.addSelectionListener(new SelectionListener() {
        public void widgetSelected(SelectionEvent e) {
            System.out.println(combo.getText());
        }

        public void widgetDefaultSelected(SelectionEvent e) {
            System.out.println(combo.getText());
        }
    });

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

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From source file:org.eclipse.swt.snippets.Snippet354.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 354");
    shell.setLayout(new GridLayout(1, false));

    Menu appMenuBar = display.getMenuBar();
    if (appMenuBar == null) {
        appMenuBar = new Menu(shell, SWT.BAR);
        shell.setMenuBar(appMenuBar);// w ww. ja  v a2s .  c om
    }
    MenuItem file = new MenuItem(appMenuBar, SWT.CASCADE);
    file.setText("File");
    Menu dropdown = new Menu(appMenuBar);
    file.setMenu(dropdown);
    MenuItem exit = new MenuItem(dropdown, SWT.PUSH);
    exit.setText("Exit");
    exit.addSelectionListener(widgetSelectedAdapter(e -> display.dispose()));

    Listener keyDownFilter = event -> System.out.println("Key event!");
    display.addFilter(SWT.KeyDown, keyDownFilter);
    display.addFilter(SWT.KeyUp, keyDownFilter);

    ArmListener armListener = e -> System.out.println(e);

    Menu systemMenu = display.getSystemMenu();
    if (systemMenu != null) {
        systemMenu.addMenuListener(new MenuListener() {
            @Override
            public void menuHidden(MenuEvent e) {
                System.out.println("App menu closed");
            }

            @Override
            public void menuShown(MenuEvent e) {
                System.out.println("App menu opened");
            }
        });

        MenuItem sysItem = getItem(systemMenu, SWT.ID_QUIT);
        sysItem.addArmListener(armListener);
        sysItem.addSelectionListener(widgetSelectedAdapter(e -> System.out.println("Quit selected")));
        sysItem = getItem(systemMenu, SWT.ID_HIDE_OTHERS);
        sysItem.addArmListener(armListener);
        sysItem.addSelectionListener(widgetSelectedAdapter(e -> {
            System.out.println("Hide others selected -- and blocked!");
            e.doit = false;
        }));
        sysItem = getItem(systemMenu, SWT.ID_HIDE);
        sysItem.addArmListener(armListener);
        sysItem.addSelectionListener(widgetSelectedAdapter(e -> {
            System.out.println("Hide selected -- and blocked!");
            e.doit = false;
        }));
        sysItem = getItem(systemMenu, SWT.ID_PREFERENCES);
        sysItem.addArmListener(armListener);
        sysItem.addSelectionListener(widgetSelectedAdapter(e -> System.out.println("Preferences selected")));
        sysItem = getItem(systemMenu, SWT.ID_ABOUT);
        sysItem.addArmListener(armListener);
        sysItem.addSelectionListener(widgetSelectedAdapter(e -> System.out.println("About selected")));

        int prefsIndex = systemMenu.indexOf(getItem(systemMenu, SWT.ID_PREFERENCES));
        MenuItem newAppMenuItem = new MenuItem(systemMenu, SWT.CASCADE, prefsIndex + 1);
        newAppMenuItem.setText("SWT-added item");
        newAppMenuItem.setAccelerator(SWT.MOD1 | 'i');
        newAppMenuItem.addArmListener(armListener);
        newAppMenuItem.addSelectionListener(
                widgetSelectedAdapter(e -> System.out.println("SWT-added item selected")));
        Menu subMenu = new Menu(systemMenu);

        for (int i = 0; i < 4; i++) {
            MenuItem subItem = new MenuItem(subMenu, SWT.PUSH);
            subItem.setText("Item " + i);
        }
        newAppMenuItem.setMenu(subMenu);
    }
    Button b = new Button(shell, SWT.PUSH);
    b.setText("Test");
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet57.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 57");
    final ProgressBar bar = new ProgressBar(shell, SWT.SMOOTH);
    Rectangle clientArea = shell.getClientArea();
    bar.setBounds(clientArea.x, clientArea.y, 200, 32);
    shell.open();//from   ww  w  . j a v a2 s. co  m

    display.timerExec(100, new Runnable() {
        int i = 0;

        @Override
        public void run() {
            if (bar.isDisposed())
                return;
            bar.setSelection(i++);
            if (i <= bar.getMaximum())
                display.timerExec(100, this);
        }
    });

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

    // Create a List with a vertical scroll bar
    List list = new List(shell, SWT.V_SCROLL);

    // Add a bunch of items to it
    for (int i = 0; i < 500; i++) {
        list.add("A list item");
    }//from w  ww .j a v a 2s  . co m

    // Scroll to the bottom
    list.select(list.getItemCount() - 1);
    list.showSelection();

    // Get the scroll bar
    ScrollBar sb = list.getVerticalBar();

    // Add one more item that shows the selection value
    list.add("Selection: " + sb.getSelection());

    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 w w w. jav a2  s .  co  m
                e.detail = SWT.TRAVERSE_NONE;
            }
        }
    });

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

---

From source file:org.eclipse.swt.snippets.Snippet252.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 252");

    shell.addListener(SWT.Paint, event -> {
        GC gc = event.gc;//from  w  w w.j  ava2  s. c o m

        gc.setLineAttributes(new LineAttributes(10, SWT.CAP_FLAT, SWT.JOIN_MITER, SWT.LINE_SOLID, null, 0, 10));
        gc.drawPolyline(new int[] { 50, 100, 50, 20, 60, 30, 50, 45 });

        gc.setLineAttributes(
                new LineAttributes(1 / 2f, SWT.CAP_FLAT, SWT.JOIN_MITER, SWT.LINE_DOT, null, 0, 10));
        gc.drawPolyline(new int[] { 100, 100, 100, 20, 110, 30, 100, 45 });
    });

    shell.setSize(150, 150);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:ScrollBarExample.java

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

    // Create a List with a vertical scroll bar
    List list = new List(shell, SWT.V_SCROLL);

    // Add a bunch of items to it
    for (int i = 0; i < 500; i++) {
        list.add("A list item");
    }//from   w  w w . jav  a2  s  .c om

    // Scroll to the bottom
    list.select(list.getItemCount() - 1);
    list.showSelection();

    // Get the scroll bar
    ScrollBar sb = list.getVerticalBar();

    // Add one more item that shows the selection value
    list.add("Selection: " + sb.getSelection());

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

---

From source file:LineCapsSetting.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.addListener(SWT.Paint, new Listener() {
        public void handleEvent(Event event) {
            int x = 20, y = 20, w = 120, h = 60;
            GC gc = event.gc;/*  www .ja  va  2  s.  c  om*/
            gc.setForeground(display.getSystemColor(SWT.COLOR_BLUE));
            gc.setLineWidth(10);
            int[] caps = { SWT.CAP_FLAT, SWT.CAP_ROUND, SWT.CAP_SQUARE };
            for (int i = 0; i < caps.length; i++) {
                gc.setLineCap(caps[i]);
                gc.drawLine(x, y, x + w, y);
                y += 20;
            }
        }
    });
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet55.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 55");
    Text text = new Text(shell, SWT.BORDER);
    text.setFont(new Font(display, "Courier", 13, SWT.NORMAL)); // Use a fixed size font
    Rectangle clientArea = shell.getClientArea();
    text.setLocation(clientArea.x, clientArea.y);
    int columns = 10;
    GC gc = new GC(text);
    FontMetrics fm = gc.getFontMetrics();
    int width = (int) (columns * fm.getAverageCharacterWidth());
    int height = fm.getHeight();
    gc.dispose();//from   w  w  w .j ava 2s. c o m
    text.setSize(text.computeSize(width, height));
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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