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

Introduction

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

Prototype

public Image getSystemImage(int id) 

Source Link

Document

Returns the matching standard platform image for the given constant, which should be one of the icon constants specified in class SWT.

Usage

From source file:org.eclipse.swt.snippets.Snippet206.java

public static void main(String[] args) {
    Display display = new Display();
    Image image = display.getSystemImage(SWT.ICON_QUESTION);
    Shell shell = new Shell(display);
    shell.setText("Snippet 206");
    shell.setLayout(new GridLayout());
    Button button = new Button(shell, SWT.PUSH);
    button.setImage(image);/*from   ww  w .java 2 s.c  o m*/
    button.setText("Button");
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:NonRectangularTransparency.java

public static void main(String[] args) {
    Display display = new Display();
    final Image image = display.getSystemImage(SWT.ICON_WARNING);
    // Shell must be created with style SWT.NO_TRIM
    final Shell shell = new Shell(display, SWT.NO_TRIM | SWT.ON_TOP);
    shell.setBackground(display.getSystemColor(SWT.COLOR_RED));
    // define a region
    Region region = new Region();
    Rectangle pixel = new Rectangle(0, 0, 1, 1);
    for (int y = 0; y < 200; y += 2) {
        for (int x = 0; x < 200; x += 2) {
            pixel.x = x;/*from  w  w w. j  av a  2 s .c  o  m*/
            pixel.y = y;
            region.add(pixel);
        }
    }
    // define the shape of the shell using setRegion
    shell.setRegion(region);
    Rectangle size = region.getBounds();
    shell.setSize(size.width, size.height);
    shell.addPaintListener(new PaintListener() {
        public void paintControl(PaintEvent e) {
            Rectangle bounds = image.getBounds();
            Point size = shell.getSize();
            e.gc.drawImage(image, 0, 0, bounds.width, bounds.height, 10, 10, size.x - 20, size.y - 20);
        }
    });
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    region.dispose();
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet180.java

public static void main(String[] args) {
    Display display = new Display();
    final Image image = display.getSystemImage(SWT.ICON_WARNING);
    //Shell must be created with style SWT.NO_TRIM
    final Shell shell = new Shell(display, SWT.NO_TRIM | SWT.ON_TOP);
    shell.setBackground(display.getSystemColor(SWT.COLOR_RED));
    //define a region
    Region region = new Region();
    Rectangle pixel = new Rectangle(0, 0, 1, 1);
    for (int y = 0; y < 200; y += 2) {
        for (int x = 0; x < 200; x += 2) {
            pixel.x = x;/*from   ww  w. j  a  va2s  .com*/
            pixel.y = y;
            region.add(pixel);
        }
    }
    //define the shape of the shell using setRegion
    shell.setRegion(region);
    shell.addPaintListener(e -> {
        Rectangle bounds = image.getBounds();
        Point size = shell.getSize();
        e.gc.drawImage(image, 0, 0, bounds.width, bounds.height, 10, 10, size.x - 20, size.y - 20);
    });
    shell.addListener(SWT.KeyDown, e -> {
        if (e.character == SWT.ESC) {
            shell.dispose();
        }
    });
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    region.dispose();
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet166.java

public static void main(String[] args) {
    Display display = new Display();
    Image image1 = display.getSystemImage(SWT.ICON_WORKING);
    Image image2 = display.getSystemImage(SWT.ICON_QUESTION);
    Image image3 = display.getSystemImage(SWT.ICON_ERROR);

    Shell shell = new Shell(display);
    shell.setText("Snippet 166");
    shell.setLayout(new FillLayout());

    final ScrolledComposite scrollComposite = new ScrolledComposite(shell, SWT.V_SCROLL | SWT.BORDER);

    final Composite parent = new Composite(scrollComposite, SWT.NONE);
    for (int i = 0; i <= 50; i++) {
        Label label = new Label(parent, SWT.NONE);
        if (i % 3 == 0)
            label.setImage(image1);/*from  ww  w  . j a va 2s . co  m*/
        if (i % 3 == 1)
            label.setImage(image2);
        if (i % 3 == 2)
            label.setImage(image3);
    }
    RowLayout layout = new RowLayout(SWT.HORIZONTAL);
    layout.wrap = true;
    parent.setLayout(layout);

    scrollComposite.setContent(parent);
    scrollComposite.setExpandVertical(true);
    scrollComposite.setExpandHorizontal(true);
    scrollComposite.addControlListener(ControlListener.controlResizedAdapter(e -> {
        Rectangle r = scrollComposite.getClientArea();
        scrollComposite.setMinSize(parent.computeSize(r.width, SWT.DEFAULT));
    }));

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

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From source file:ScrolledCompositeCreate.java

public static void main(String[] args) {
    Display display = new Display();
    Image image1 = display.getSystemImage(SWT.ICON_WORKING);
    Image image2 = display.getSystemImage(SWT.ICON_QUESTION);
    Image image3 = display.getSystemImage(SWT.ICON_ERROR);

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

    final ScrolledComposite scrollComposite = new ScrolledComposite(shell, SWT.V_SCROLL | SWT.BORDER);

    final Composite parent = new Composite(scrollComposite, SWT.NONE);
    for (int i = 0; i <= 50; i++) {
        Label label = new Label(parent, SWT.NONE);
        if (i % 3 == 0)
            label.setImage(image1);//from w  w w  .  ja  v  a 2s.c o m
        if (i % 3 == 1)
            label.setImage(image2);
        if (i % 3 == 2)
            label.setImage(image3);
    }
    RowLayout layout = new RowLayout(SWT.HORIZONTAL);
    layout.wrap = true;
    parent.setLayout(layout);

    scrollComposite.setContent(parent);
    scrollComposite.setExpandVertical(true);
    scrollComposite.setExpandHorizontal(true);
    scrollComposite.addControlListener(new ControlAdapter() {
        public void controlResized(ControlEvent e) {
            Rectangle r = scrollComposite.getClientArea();
            scrollComposite.setMinSize(parent.computeSize(r.width, SWT.DEFAULT));
        }
    });

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

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From source file:org.eclipse.swt.snippets.Snippet297.java

public static void main(String[] args) {
    Display display = new Display();
    Image images[] = new Image[] { display.getSystemImage(SWT.ICON_INFORMATION),
            display.getSystemImage(SWT.ICON_ERROR), display.getSystemImage(SWT.ICON_QUESTION),
            display.getSystemImage(SWT.ICON_WARNING), };
    String[] titles = { "Information", "Error", "Question", "Warning" };
    String[] questions = { "who?", "what?", "where?", "when?", "why?" };
    Shell shell = new Shell(display);
    shell.setText("Snippet 297");
    shell.setLayout(new GridLayout());
    Table table = new Table(shell, SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION);
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    data.heightHint = 200;/*from  ww w . j a v  a  2  s  .  co  m*/
    table.setLayoutData(data);
    table.setLinesVisible(true);
    table.setHeaderVisible(true);
    for (int i = 0; i < titles.length; i++) {
        TableColumn column = new TableColumn(table, SWT.NONE);
        column.setText(titles[i]);
        column.setImage(images[i]);
    }
    int count = 128;
    for (int i = 0; i < count; i++) {
        TableItem item = new TableItem(table, SWT.NONE);
        item.setText(0, "some info");
        item.setText(1, "error #" + i);
        item.setText(2, questions[i % questions.length]);
        item.setText(3, "look out!");
    }
    for (int i = 0; i < titles.length; i++) {
        table.getColumn(i).pack();
    }
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet230.java

public static void main(String[] args) {
    Display display = new Display();
    final Image image = display.getSystemImage(SWT.ICON_INFORMATION);
    Shell shell = new Shell(display);
    shell.setText("Images on the right side of the TableItem");
    shell.setLayout(new FillLayout());
    Table table = new Table(shell, SWT.MULTI | SWT.FULL_SELECTION);
    table.setHeaderVisible(true);//from   www  . ja va 2 s . c o  m
    table.setLinesVisible(true);
    int columnCount = 3;
    for (int i = 0; i < columnCount; i++) {
        TableColumn column = new TableColumn(table, SWT.NONE);
        column.setText("Column " + i);
    }
    int itemCount = 8;
    for (int i = 0; i < itemCount; i++) {
        TableItem item = new TableItem(table, SWT.NONE);
        item.setText(new String[] { "item " + i + " a", "item " + i + " b", "item " + i + " c" });
    }
    /*
     * NOTE: MeasureItem, PaintItem and EraseItem are called repeatedly.
     * Therefore, it is critical for performance that these methods be
     * as efficient as possible.
     */
    Listener paintListener = event -> {
        switch (event.type) {
        case SWT.MeasureItem: {
            Rectangle rect1 = image.getBounds();
            event.width += rect1.width;
            event.height = Math.max(event.height, rect1.height + 2);
            break;
        }
        case SWT.PaintItem: {
            int x = event.x + event.width;
            Rectangle rect2 = image.getBounds();
            int offset = Math.max(0, (event.height - rect2.height) / 2);
            event.gc.drawImage(image, x, event.y + offset);
            break;
        }
        }
    };
    table.addListener(SWT.MeasureItem, paintListener);
    table.addListener(SWT.PaintItem, paintListener);

    for (int i = 0; i < columnCount; i++) {
        table.getColumn(i).pack();
    }
    shell.setSize(500, 200);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    if (image != null)
        image.dispose();
    display.dispose();
}

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From source file:TableCellEnlarge.java

public static void main(String[] args) {
    Display display = new Display();
    final Image image = display.getSystemImage(SWT.ICON_INFORMATION);
    Shell shell = new Shell(display);
    shell.setText("Images on the right side of the TableItem");
    shell.setLayout(new FillLayout());
    Table table = new Table(shell, SWT.MULTI | SWT.FULL_SELECTION);
    table.setHeaderVisible(true);//  ww w  .j a v  a2 s .  c  om
    table.setLinesVisible(true);
    int columnCount = 3;
    for (int i = 0; i < columnCount; i++) {
        TableColumn column = new TableColumn(table, SWT.NONE);
        column.setText("Column " + i);
    }
    int itemCount = 8;
    for (int i = 0; i < itemCount; i++) {
        TableItem item = new TableItem(table, SWT.NONE);
        item.setText(new String[] { "item " + i + " a", "item " + i + " b", "item " + i + " c" });
    }
    /*
     * NOTE: MeasureItem, PaintItem and EraseItem are called repeatedly.
     * Therefore, it is critical for performance that these methods be as
     * efficient as possible.
     */
    Listener paintListener = new Listener() {
        public void handleEvent(Event event) {
            switch (event.type) {
            case SWT.MeasureItem: {
                Rectangle rect = image.getBounds();
                event.width += rect.width;
                event.height = Math.max(event.height, rect.height + 2);
                break;
            }
            case SWT.PaintItem: {
                int x = event.x + event.width;
                Rectangle rect = image.getBounds();
                int offset = Math.max(0, (event.height - rect.height) / 2);
                event.gc.drawImage(image, x, event.y + offset);
                break;
            }
            }
        }
    };
    table.addListener(SWT.MeasureItem, paintListener);
    table.addListener(SWT.PaintItem, paintListener);

    for (int i = 0; i < columnCount; i++) {
        table.getColumn(i).pack();
    }
    shell.setSize(500, 200);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    if (image != null)
        image.dispose();
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet363.java

public static void main(String[] args) {
    Display display = new Display();
    errorIcon = display.getSystemImage(SWT.ICON_ERROR);
    Shell shell = new Shell(display);
    shell.setText("Snippet 363");
    shell.setLayout(new GridLayout(2, false));
    shell.setText("LiveRegion Test");

    icon = new Label(shell, SWT.NONE);
    icon.setLayoutData(new GridData(32, 32));

    liveLabel = new Text(shell, SWT.READ_ONLY);
    GC gc = new GC(liveLabel);
    Point pt = gc.textExtent(errorMessage);
    GridData data = new GridData(SWT.FILL, SWT.CENTER, true, false);
    data.minimumWidth = (int) (pt.x + gc.getFontMetrics().getAverageCharacterWidth() * 2);
    gc.dispose();/*from w  w w. ja  va2  s .c  o m*/
    liveLabel.setLayoutData(data);
    liveLabel.setText("");
    liveLabel.getAccessible().addAccessibleAttributeListener(new AccessibleAttributeAdapter() {
        @Override
        public void getAttributes(AccessibleAttributeEvent e) {
            e.attributes = new String[] { "container-live", "polite", "live", "polite", "container-live-role",
                    "status", };
        }
    });

    final Label textFieldLabel = new Label(shell, SWT.NONE);
    textFieldLabel.setText("Type a number:");
    textFieldLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));

    final Text textField = new Text(shell, SWT.SINGLE | SWT.BORDER);
    textField.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));

    final Button okButton = new Button(shell, SWT.PUSH);
    okButton.setText("OK");
    okButton.setLayoutData(new GridData(SWT.END, SWT.CENTER, false, false, 2, 1));
    okButton.setEnabled(false);

    textField.addModifyListener(e -> {
        boolean isNumber = false;
        String textValue = textField.getText();
        try {
            Integer.parseInt(textValue);
            isNumber = true;
            setMessageText(false, "Thank-you");
        } catch (NumberFormatException ex) {
            if (textValue.isEmpty()) {
                setMessageText(false, "");
            } else {
                setMessageText(true, "Error: Number expected.");
            }
        }
        okButton.setEnabled(isNumber);
    });

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

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From source file:NonRectangularShellFromTransparencyImage.java

public static void main(String[] args) {
    final Display display = new Display();
    final Image image = display.getSystemImage(SWT.ICON_INFORMATION);
    final Shell shell = new Shell(display, SWT.NO_TRIM);
    Region region = new Region();
    final ImageData imageData = image.getImageData();
    if (imageData.alphaData != null) {
        Rectangle pixel = new Rectangle(0, 0, 1, 1);
        for (int y = 0; y < imageData.height; y++) {
            for (int x = 0; x < imageData.width; x++) {
                if (imageData.getAlpha(x, y) == 255) {
                    pixel.x = imageData.x + x;
                    pixel.y = imageData.y + y;
                    region.add(pixel);//  w  w w.j  a v  a2 s.c  om
                }
            }
        }
    } else {
        ImageData mask = imageData.getTransparencyMask();
        Rectangle pixel = new Rectangle(0, 0, 1, 1);
        for (int y = 0; y < mask.height; y++) {
            for (int x = 0; x < mask.width; x++) {
                if (mask.getPixel(x, y) != 0) {
                    pixel.x = imageData.x + x;
                    pixel.y = imageData.y + y;
                    region.add(pixel);
                }
            }
        }
    }
    shell.setRegion(region);

    Listener l = new Listener() {
        int startX, startY;

        public void handleEvent(Event e) {
            if (e.type == SWT.KeyDown && e.character == SWT.ESC) {
                shell.dispose();
            }
            if (e.type == SWT.MouseDown && e.button == 1) {
                startX = e.x;
                startY = e.y;
            }
            if (e.type == SWT.MouseMove && (e.stateMask & SWT.BUTTON1) != 0) {
                Point p = shell.toDisplay(e.x, e.y);
                p.x -= startX;
                p.y -= startY;
                shell.setLocation(p);
            }
            if (e.type == SWT.Paint) {
                e.gc.drawImage(image, imageData.x, imageData.y);
            }
        }
    };
    shell.addListener(SWT.KeyDown, l);
    shell.addListener(SWT.MouseDown, l);
    shell.addListener(SWT.MouseMove, l);
    shell.addListener(SWT.Paint, l);

    shell.setSize(imageData.x + imageData.width, imageData.y + imageData.height);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    region.dispose();
    image.dispose();
    display.dispose();
}

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