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

Introduction

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

Prototype

public boolean isDisposed() 

Source Link

Usage

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

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

    Shell shell = createShell();//from  w  w w.  j a v  a  2s .c o m
    shell.open();

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

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From source file:ProgressBarUpdateAnotherThread.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    final ProgressBar bar = new ProgressBar(shell, SWT.SMOOTH);
    bar.setBounds(10, 10, 200, 32);/*  w  ww.  j ava2s . co m*/
    shell.open();
    final int maximum = bar.getMaximum();
    new Thread() {
        public void run() {
            for (final int[] i = new int[1]; i[0] <= maximum; i[0]++) {
                try {
                    Thread.sleep(100);
                } catch (Throwable th) {
                }
                if (display.isDisposed())
                    return;
                display.asyncExec(new Runnable() {
                    public void run() {
                        if (bar.isDisposed())
                            return;
                        bar.setSelection(i[0]);
                    }
                });
            }
        }
    }.start();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet56.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 56");
    final ProgressBar bar = new ProgressBar(shell, SWT.SMOOTH);
    Rectangle clientArea = shell.getClientArea();
    bar.setBounds(clientArea.x, clientArea.y, 200, 32);
    shell.open();//from w  w  w . j a  v a2s  .com
    final int maximum = bar.getMaximum();
    new Thread() {
        @Override
        public void run() {
            for (final int[] i = new int[1]; i[0] <= maximum; i[0]++) {
                try {
                    Thread.sleep(100);
                } catch (Throwable th) {
                }
                if (display.isDisposed())
                    return;
                display.asyncExec(() -> {
                    if (bar.isDisposed())
                        return;
                    bar.setSelection(i[0]);
                });
            }
        }
    }.start();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet130.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 130");
    shell.setLayout(new GridLayout());
    final Text text = new Text(shell, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
    text.setLayoutData(new GridData(GridData.FILL_BOTH));
    final int[] nextId = new int[1];
    Button b = new Button(shell, SWT.PUSH);
    b.setText("invoke long running job");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Runnable longJob = new Runnable() {
            boolean done = false;
            int id;

            @Override/*from   w ww . j  a  v  a 2 s.c om*/
            public void run() {
                Thread thread = new Thread(() -> {
                    id = nextId[0]++;
                    display.syncExec(() -> {
                        if (text.isDisposed())
                            return;
                        text.append("\nStart long running task " + id);
                    });
                    for (int i = 0; i < 100000; i++) {
                        if (display.isDisposed())
                            return;
                        System.out.println("do task that takes a long time in a separate thread " + id);
                    }
                    if (display.isDisposed())
                        return;
                    display.syncExec(() -> {
                        if (text.isDisposed())
                            return;
                        text.append("\nCompleted long running task " + id);
                    });
                    done = true;
                    display.wake();
                });
                thread.start();
                while (!done && !shell.isDisposed()) {
                    if (!display.readAndDispatch())
                        display.sleep();
                }
            }
        };
        BusyIndicator.showWhile(display, longJob);
    }));
    shell.setSize(250, 150);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet268.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 268");
    shell.setLayout(new FillLayout());
    StyledText styledText = new StyledText(shell, SWT.V_SCROLL);
    String multiLineString = "";
    for (int i = 0; i < 200; i++) {
        multiLineString = multiLineString.concat("This is line number " + i + " in the multi-line string.\n");
    }/*  w ww.  ja  va 2 s .c  om*/
    styledText.setText(multiLineString);
    shell.setSize(styledText.computeSize(SWT.DEFAULT, 400));
    shell.open();
    // move cursor over styled text
    Rectangle clientArea = shell.getClientArea();
    Point location = shell.getLocation();
    Event event = new Event();
    event.type = SWT.MouseMove;
    event.x = location.x + clientArea.width / 2;
    event.y = location.y + clientArea.height / 2;
    display.post(event);
    styledText.addListener(SWT.MouseWheel, e -> System.out.println("Mouse Wheel event " + e));
    new Thread() {
        Event event;

        @Override
        public void run() {
            for (int i = 0; i < 50; i++) {
                event = new Event();
                event.type = SWT.MouseWheel;
                event.detail = SWT.SCROLL_LINE;
                event.count = -2;
                if (!display.isDisposed())
                    display.post(event);
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {
                }
            }
        }
    }.start();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:BusyCursorDisplay.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    final Text text = new Text(shell, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
    text.setLayoutData(new GridData(GridData.FILL_BOTH));
    final int[] nextId = new int[1];
    Button b = new Button(shell, SWT.PUSH);
    b.setText("invoke long running job");
    b.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            Runnable longJob = new Runnable() {
                boolean done = false;

                int id;

                public void run() {
                    Thread thread = new Thread(new Runnable() {
                        public void run() {
                            id = nextId[0]++;
                            display.syncExec(new Runnable() {
                                public void run() {
                                    if (text.isDisposed())
                                        return;
                                    text.append("\nStart long running task " + id);
                                }//w w w .  jav a2 s  .c  om
                            });
                            for (int i = 0; i < 100000; i++) {
                                if (display.isDisposed())
                                    return;
                                System.out.println("do task that takes a long time in a separate thread " + id);
                            }
                            if (display.isDisposed())
                                return;
                            display.syncExec(new Runnable() {
                                public void run() {
                                    if (text.isDisposed())
                                        return;
                                    text.append("\nCompleted long running task " + id);
                                }
                            });
                            done = true;
                            display.wake();
                        }
                    });
                    thread.start();
                    while (!done && !shell.isDisposed()) {
                        if (!display.readAndDispatch())
                            display.sleep();
                    }
                }
            };
            BusyIndicator.showWhile(display, longJob);
        }
    });
    shell.setSize(250, 150);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet320.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 320");
    shell.setLayout(new GridLayout());
    final Text text = new Text(shell, SWT.SINGLE | SWT.BORDER);
    text.setLayoutData(new GridData(150, SWT.DEFAULT));
    shell.pack();/*from w w w . j  a v a2s. c om*/
    shell.open();

    final Shell popupShell = new Shell(display, SWT.ON_TOP);
    popupShell.setLayout(new FillLayout());
    final Table table = new Table(popupShell, SWT.SINGLE);
    for (int i = 0; i < 5; i++) {
        new TableItem(table, SWT.NONE);
    }

    text.addListener(SWT.KeyDown, event -> {
        switch (event.keyCode) {
        case SWT.ARROW_DOWN:
            int index = (table.getSelectionIndex() + 1) % table.getItemCount();
            table.setSelection(index);
            event.doit = false;
            break;
        case SWT.ARROW_UP:
            index = table.getSelectionIndex() - 1;
            if (index < 0)
                index = table.getItemCount() - 1;
            table.setSelection(index);
            event.doit = false;
            break;
        case SWT.CR:
            if (popupShell.isVisible() && table.getSelectionIndex() != -1) {
                text.setText(table.getSelection()[0].getText());
                popupShell.setVisible(false);
            }
            break;
        case SWT.ESC:
            popupShell.setVisible(false);
            break;
        }
    });
    text.addListener(SWT.Modify, event -> {
        String string = text.getText();
        if (string.length() == 0) {
            popupShell.setVisible(false);
        } else {
            TableItem[] items = table.getItems();
            for (int i = 0; i < items.length; i++) {
                items[i].setText(string + '-' + i);
            }
            Rectangle textBounds = display.map(shell, null, text.getBounds());
            popupShell.setBounds(textBounds.x, textBounds.y + textBounds.height, textBounds.width, 150);
            popupShell.setVisible(true);
        }
    });

    table.addListener(SWT.DefaultSelection, event -> {
        text.setText(table.getSelection()[0].getText());
        popupShell.setVisible(false);
    });
    table.addListener(SWT.KeyDown, event -> {
        if (event.keyCode == SWT.ESC) {
            popupShell.setVisible(false);
        }
    });

    Listener focusOutListener = event -> display.asyncExec(() -> {
        if (display.isDisposed())
            return;
        Control control = display.getFocusControl();
        if (control == null || (control != text && control != table)) {
            popupShell.setVisible(false);
        }
    });
    table.addListener(SWT.FocusOut, focusOutListener);
    text.addListener(SWT.FocusOut, focusOutListener);

    shell.addListener(SWT.Move, event -> popupShell.setVisible(false));

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

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

static Shell createShell() {
    final Shell shell = new Shell(SWT.SHELL_TRIM);
    shell.setText("Snippet 348");
    createMenuBar(shell);/*from  w w w . j  av a2 s  . c  o  m*/

    shell.addDisposeListener(e -> {
        Display d = Display.getCurrent();
        Menu bar = d.getMenuBar();
        boolean hasAppMenuBar = (bar != null);
        if (!hasAppMenuBar) {
            shell.getMenuBar().dispose();
            Shell[] shells = d.getShells();
            if ((shells.length == 1) && (shells[0] == shell)) {
                if (!d.isDisposed())
                    d.dispose();
            }
        }
    });

    return shell;
}

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From source file:cookxml.cookswt.util.SwtUtils.java

/**
 * Open all the shells inside the Display object and dispose the Display
 * after all shells are disposed.//w  w w. j  a v  a 2 s.  co m
 *
 * @param display the Display object.
 */
public static void showDisplay(Display display) {
    // open shells for display
    Shell[] shells = display.getShells();
    for (int i = 0; i < shells.length; ++i) {
        if (!shells[i].isDisposed() && !shells[i].isVisible())
            shells[i].open();
    }

    // exit after all shells are disposed
    while (!display.isDisposed()) {
        shells = display.getShells();
        boolean canExit = true;
        for (int i = 0; i < shells.length; ++i) {
            if (!shells[i].isDisposed()) {
                canExit = false;
                break;
            }
        }
        if (canExit)
            break;
        if (!display.readAndDispatch())
            display.sleep();
    }
    if (!display.isDisposed())
        display.dispose();
}

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