Examples with Canvas org.eclipse.swt.widgets.Canvas used on opensource projects

Example 21 with Canvas

use of org.eclipse.swt.widgets.Canvas in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_widgets_Caret method setUp.

@Override
@Before
public void setUp() {
    super.setUp();
    canvas = new Canvas(shell, SWT.NULL);
    caret = new Caret(canvas, SWT.NULL);
    setWidget(caret);
}

Example 22 with Canvas

use of org.eclipse.swt.widgets.Canvas in project eclipse.platform.swt by eclipse.

the class Bug170631_NestedCompositeFocus method main.

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    final Canvas canvas = new Canvas(shell, SWT.NONE);
    GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
    canvas.setLayoutData(gridData);
    canvas.addPaintListener(event -> {
        Rectangle rect = canvas.getClientArea();
        event.gc.drawOval(0, 0, rect.width - 1, rect.height - 1);
    });
    final Text text = new Text(shell, SWT.BORDER);
    text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    text.setText("I want focus");
    shell.setBounds(10, 10, 200, 200);
    shell.open();
    // With shell.setFocus(), the Canvas gets focus.  Without it, the Text does.
    shell.setFocus();
    System.out.println(shell.getDisplay().getFocusControl());
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

Example 23 with Canvas

use of org.eclipse.swt.widgets.Canvas in project liferay-ide by liferay.

the class LiferayCustomXmlHoverControl method _createAnnotationInformation.

private void _createAnnotationInformation(Composite parent, Annotation annotation) {
    Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
    GridLayout layout = new GridLayout(2, false);
    layout.marginHeight = 2;
    layout.marginWidth = 2;
    layout.horizontalSpacing = 0;
    composite.setLayout(layout);
    // this paints the icon..
    Canvas canvas = new Canvas(composite, SWT.NO_FOCUS);
    GridData gridData = new GridData(SWT.BEGINNING, SWT.BEGINNING, false, false);
    gridData.widthHint = 17;
    gridData.heightHint = 16;
    canvas.setLayoutData(gridData);
    canvas.addPaintListener(new PaintListener() {

        public void paintControl(PaintEvent e) {
            e.gc.setFont(null);
            _markerAccess.paint(annotation, e.gc, canvas, new Rectangle(0, 0, 16, 16));
        }
    });
    // and now comes the text
    StyledText text = new StyledText(composite, SWT.MULTI | SWT.WRAP | SWT.READ_ONLY);
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    text.setLayoutData(data);
    String annotationText = annotation.getText();
    if (annotationText != null) {
        text.setText(annotationText);
    }
}

Example 24 with Canvas

use of org.eclipse.swt.widgets.Canvas in project netxms by netxms.

the class Sleak method open.

public void open() {
    display = Display.getCurrent();
    shell = new Shell(display);
    // $NON-NLS-1$
    shell.setText("S-Leak");
    list = new List(shell, SWT.BORDER | SWT.V_SCROLL);
    list.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(final Event event) {
            refreshObject();
        }
    });
    text = new Text(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    canvas = new Canvas(shell, SWT.BORDER);
    canvas.addListener(SWT.Paint, new Listener() {

        @Override
        public void handleEvent(final Event event) {
            paintCanvas(event);
        }
    });
    check = new Button(shell, SWT.CHECK);
    // $NON-NLS-1$
    check.setText("Stack");
    check.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(final Event e) {
            toggleStackTrace();
        }
    });
    start = new Button(shell, SWT.PUSH);
    // $NON-NLS-1$
    start.setText("Snap");
    start.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(final Event event) {
            refreshAll();
        }
    });
    stop = new Button(shell, SWT.PUSH);
    // $NON-NLS-1$
    stop.setText("Diff");
    stop.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(final Event event) {
            refreshDifference();
        }
    });
    label = new Label(shell, SWT.BORDER);
    // $NON-NLS-1$
    label.setText("0 object(s)");
    shell.addListener(SWT.Resize, new Listener() {

        @Override
        public void handleEvent(final Event e) {
            layout();
        }
    });
    check.setSelection(false);
    text.setVisible(false);
    final Point size = shell.getSize();
    shell.setSize(size.x / 2, size.y / 2);
    shell.open();
}

Example 25 with Canvas

use of org.eclipse.swt.widgets.Canvas in project yamcs-studio by yamcs.

the class OverviewOutlinePage method createControl.

@Override
public void createControl(Composite parent) {
    overview = new Canvas(parent, SWT.NONE);
    var lws = new LightweightSystem(overview);
    thumbnail = new ScrollableThumbnail((Viewport) rootEP.getFigure());
    thumbnail.setBorder(new MarginBorder(3));
    thumbnail.setSource(rootEP.getLayer(LayerConstants.PRINTABLE_LAYERS));
    lws.setContents(thumbnail);
    disposeListener = e -> {
        if (thumbnail != null) {
            thumbnail.deactivate();
            thumbnail = null;
        }
    };
    rootEP.getViewer().getControl().addDisposeListener(disposeListener);
}