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

Example 46 with Canvas

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

the class ERDOutlinePage method createControl.

/* (non-Javadoc)
     * @see org.eclipse.ui.part.IPage#createControl(org.eclipse.swt.widgets.Composite)
     */
@Override
public void createControl(Composite parent) {
    // create canvas and lws
    overview = new Canvas(parent, SWT.NONE);
    LightweightSystem lws = new LightweightSystem(overview);
    // create thumbnail
    thumbnail = new ScrollableThumbnail((Viewport) rootEditPart.getFigure());
    thumbnail.setBorder(new MarginBorder(3));
    thumbnail.setSource(rootEditPart.getLayer(LayerConstants.PRINTABLE_LAYERS));
    lws.setContents(thumbnail);
}

Example 47 with Canvas

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

the class EmptyPresentation method createPresentation.

@Override
public void createPresentation(@NotNull final IResultSetController controller, @NotNull Composite parent) {
    super.createPresentation(controller, parent);
    UIUtils.createHorizontalLine(parent);
    placeholder = new Canvas(parent, SWT.NONE);
    placeholder.setLayoutData(new GridData(GridData.FILL_BOTH));
    placeholder.setBackground(controller.getDefaultBackground());
    final Font normalFont = parent.getFont();
    FontData[] fontData = normalFont.getFontData();
    fontData[0].setStyle(fontData[0].getStyle() | SWT.BOLD);
    fontData[0].setHeight(18);
    final Font largeFont = new Font(normalFont.getDevice(), fontData[0]);
    placeholder.addDisposeListener(e -> UIUtils.dispose(largeFont));
    placeholder.addPaintListener(e -> {
        if (controller.isRefreshInProgress()) {
            return;
        }
        e.gc.setFont(largeFont);
        e.gc.setForeground(UIStyles.getDefaultTextForeground());
        // int fontSize = largeFont.getFontData()[0].getHeight();
        String emptyDataMessage = controller.getDecorator().getEmptyDataMessage();
        if (!CommonUtils.isEmpty(emptyDataMessage)) {
            Point emSize = e.gc.textExtent(emptyDataMessage);
            UIUtils.drawMessageOverControl(placeholder, e, emptyDataMessage, -emSize.y);
        }
        e.gc.setFont(normalFont);
        String emptyDataDescription = controller.getDecorator().getEmptyDataDescription();
        if (!CommonUtils.isEmpty(emptyDataDescription)) {
            UIUtils.drawMessageOverControl(placeholder, e, emptyDataDescription, 10);
        }
    });
    trackPresentationControl();
}

Example 48 with Canvas

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

the class OPIColorDialog method createDialogArea.

@Override
protected Control createDialogArea(Composite parent) {
    var parent_Composite = (Composite) super.createDialogArea(parent);
    var mainComposite = new Composite(parent_Composite, SWT.None);
    mainComposite.setLayout(new GridLayout(2, false));
    var gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
    gridData.heightHint = 300;
    mainComposite.setLayoutData(gridData);
    var leftComposite = new Composite(mainComposite, SWT.None);
    leftComposite.setLayout(new GridLayout(1, false));
    var gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    gd.widthHint = 220;
    leftComposite.setLayoutData(gd);
    createLabel(leftComposite, "Choose from Predefined Colors:");
    preDefinedColorsViewer = createPredefinedColorsTableViewer(leftComposite);
    preDefinedColorsViewer.setInput(MediaService.getInstance().getAllPredefinedColors());
    var rightComposite = new Composite(mainComposite, SWT.None);
    rightComposite.setLayout(new GridLayout(1, false));
    gd = new GridData(SWT.LEFT, SWT.BEGINNING, true, true);
    rightComposite.setLayoutData(gd);
    createLabel(rightComposite, "");
    var colorDialogButton = new Button(rightComposite, SWT.PUSH);
    colorDialogButton.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
    colorDialogButton.setText("Choose from Color Dialog");
    colorDialogButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            var dialog = new ColorDialog(Display.getCurrent().getActiveShell());
            dialog.setRGB(opiColor.getRGBValue());
            var rgb = dialog.open();
            if (rgb != null) {
                opiColor.setColorValue(rgb);
                preDefinedColorsViewer.setSelection(null);
                setRGBEditValue(rgb);
                outputTextLabel.setText(opiColor.getColorName());
                colorCanvas.setBackground(CustomMediaFactory.getInstance().getColor(opiColor.getRGBValue()));
            }
        }
    });
    createRGBEditGroup(rightComposite);
    var group = new Group(rightComposite, SWT.None);
    group.setLayoutData(new GridData(SWT.FILL, SWT.END, true, true));
    group.setLayout(new GridLayout(3, false));
    group.setText("Output");
    colorCanvas = new Canvas(group, SWT.BORDER);
    colorCanvas.setBackground(CustomMediaFactory.getInstance().getColor(opiColor.getRGBValue()));
    gd = new GridData(SWT.LEFT, SWT.TOP, false, false);
    gd.widthHint = 30;
    gd.heightHint = 30;
    colorCanvas.setLayoutData(gd);
    outputTextLabel = new Label(group, SWT.None);
    outputTextLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    outputTextLabel.setText(opiColor.getColorName());
    if (opiColor.isPreDefined()) {
        preDefinedColorsViewer.setSelection(new StructuredSelection(opiColor));
    } else {
        preDefinedColorsViewer.setSelection(null);
    }
    return parent_Composite;
}

Example 49 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);
}

Example 50 with Canvas

use of org.eclipse.swt.widgets.Canvas in project pentaho-kettle by pentaho.

the class Sleak method create.

public void create(Composite parent) {
    list = new List(parent, SWT.BORDER | SWT.V_SCROLL);
    list.addListener(SWT.Selection, new Listener() {

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

        public void handleEvent(Event event) {
            paintCanvas(event);
        }
    });
    check = new Button(parent, SWT.CHECK);
    check.setText("Stack");
    check.addListener(SWT.Selection, new Listener() {

        public void handleEvent(Event e) {
            toggleStackTrace();
        }
    });
    start = new Button(parent, SWT.PUSH);
    start.setText("Snap");
    start.addListener(SWT.Selection, new Listener() {

        public void handleEvent(Event event) {
            refreshAll();
        }
    });
    stop = new Button(parent, SWT.PUSH);
    stop.setText("Diff");
    stop.addListener(SWT.Selection, new Listener() {

        public void handleEvent(Event event) {
            refreshDifference();
        }
    });
    label = new Label(parent, SWT.BORDER);
    label.setText("0 object(s)");
    parent.addListener(SWT.Resize, new Listener() {

        public void handleEvent(Event e) {
            layout();
        }
    });
    check.setSelection(false);
    text.setVisible(false);
    layout();
}