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

Example 26 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 27 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 28 with Canvas

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

the class JobMetricsDelegate method setupContent.

public void setupContent() {
    if (metricsComposite.isDisposed()) {
        return;
    }
    // 
    for (Control control : metricsComposite.getChildren()) {
        if (!control.isDisposed()) {
            control.dispose();
        }
    }
    emptyGraph = false;
    canvas = new Canvas(metricsComposite, SWT.NONE);
    spoon.props.setLook(canvas);
    FormData fdCanvas = new FormData();
    fdCanvas.left = new FormAttachment(0, 0);
    fdCanvas.right = new FormAttachment(100, 0);
    fdCanvas.top = new FormAttachment(0, 0);
    fdCanvas.bottom = new FormAttachment(100, 0);
    canvas.setLayoutData(fdCanvas);
    metricsComposite.addControlListener(new ControlAdapter() {

        public void controlResized(ControlEvent event) {
            updateGraph();
        }
    });
    metricsComposite.addDisposeListener(new DisposeListener() {

        public void widgetDisposed(DisposeEvent event) {
            if (image != null) {
                image.dispose();
            }
        }
    });
    canvas.addPaintListener(new PaintListener() {

        public void paintControl(PaintEvent event) {
            if (jobGraph.job != null && (jobGraph.job.isFinished() || jobGraph.job.isStopped())) {
                refreshImage(event.gc);
                if (!Const.isRunningOnWebspoonMode()) {
                    if (image != null && !image.isDisposed()) {
                        event.gc.drawImage(image, 0, 0);
                    }
                }
            } else {
                Rectangle bounds = canvas.getBounds();
                if (bounds.width <= 0 || bounds.height <= 0) {
                    return;
                }
                event.gc.setForeground(GUIResource.getInstance().getColorWhite());
                event.gc.setBackground(GUIResource.getInstance().getColorWhite());
                event.gc.fillRectangle(new Rectangle(0, 0, bounds.width, bounds.height));
                event.gc.setForeground(GUIResource.getInstance().getColorBlack());
                String metricsMessage = BaseMessages.getString(PKG, "JobMetricsDelegate.JobIsNotRunning.Message");
                org.eclipse.swt.graphics.Point extent = event.gc.textExtent(metricsMessage);
                event.gc.drawText(metricsMessage, (bounds.width - extent.x) / 2, (bounds.height - extent.y) / 2);
            }
        }
    });
    // Refresh automatically every 5 seconds as well.
    // 
    final Timer timer = new Timer("JobMetricsDelegate Timer");
    timer.schedule(new TimerTask() {

        public void run() {
            updateGraph();
        }
    }, 0, 5000);
    // When the tab is closed, we remove the update timer
    // 
    jobMetricsTab.addDisposeListener(new DisposeListener() {

        public void widgetDisposed(DisposeEvent arg0) {
            timer.cancel();
        }
    });
    if (Const.isRunningOnWebspoonMode()) {
        // When the browser tab/window is closed, we remove the update timer
        jobMetricsTab.getDisplay().disposeExec(new Runnable() {

            @Override
            public void run() {
                timer.cancel();
            }
        });
    }
    // Show tool tips with details...
    // 
    canvas.addMouseListener(new MouseAdapter() {

        @Override
        public void mouseDown(MouseEvent event) {
            if (drawAreas == null) {
                return;
            }
            for (int i = drawAreas.size() - 1; i >= 0; i--) {
                MetricsDrawArea drawArea = drawAreas.get(i);
                if (drawArea.getArea().contains(event.x, event.y)) {
                    MetricsDuration duration = drawArea.getDuration();
                    if (duration == null) {
                        continue;
                    }
                    System.out.println(duration.toString());
                    LoggingObjectInterface loggingObject = LoggingRegistry.getInstance().getLoggingObject(duration.getLogChannelId());
                    if (loggingObject == null) {
                        return;
                    }
                    System.out.println(loggingObject.getObjectType() + " : " + loggingObject.getObjectName());
                }
            }
        }
    });
    canvas.addControlListener(new ControlAdapter() {

        @Override
        public void controlResized(ControlEvent arg0) {
            // force a refresh
            lastRefreshTime = 0;
        }
    });
}

Example 29 with Canvas

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

the class EnterPrintDialog method open.

public int open() {
    Shell parent = getParent();
    Display display = parent.getDisplay();
    retval = SWT.OK;
    shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL | SWT.SHEET | SWT.RESIZE | SWT.MAX | SWT.MIN);
    props.setLook(shell);
    FormLayout formLayout = new FormLayout();
    formLayout.marginWidth = Const.FORM_MARGIN;
    formLayout.marginHeight = Const.FORM_MARGIN;
    shell.setLayout(formLayout);
    shell.setText(BaseMessages.getString(PKG, "EnterPrintDialog.Title"));
    int middle = props.getMiddlePct();
    int margin = Const.MARGIN;
    // Canvas
    wlCanvas = new Label(shell, SWT.NONE);
    wlCanvas.setText(BaseMessages.getString(PKG, "EnterPrintDialog.PrintArea.Label"));
    props.setLook(wlCanvas);
    fdlCanvas = new FormData();
    fdlCanvas.left = new FormAttachment(0, 0);
    fdlCanvas.top = new FormAttachment(0, margin);
    wlCanvas.setLayoutData(fdlCanvas);
    wCanvas = new Canvas(shell, SWT.BORDER);
    props.setLook(wCanvas);
    wCanvas.addPaintListener(new PaintListener() {

        public void paintControl(PaintEvent pe) {
            repaint(pe.gc, pe.width, pe.height);
        }
    });
    fdCanvas = new FormData();
    fdCanvas.left = new FormAttachment(0, 0);
    fdCanvas.top = new FormAttachment(wlCanvas, margin);
    fdCanvas.right = new FormAttachment(100, 0);
    fdCanvas.bottom = new FormAttachment(100, -220);
    wCanvas.setLayoutData(fdCanvas);
    // Rows
    wlRows = new Label(shell, SWT.NONE);
    wlRows.setText(BaseMessages.getString(PKG, "EnterPrintDialog.Rows.Label"));
    props.setLook(wlRows);
    fdlRows = new FormData();
    fdlRows.left = new FormAttachment(0, 0);
    fdlRows.right = new FormAttachment(middle, -margin);
    fdlRows.top = new FormAttachment(wCanvas, margin);
    wlRows.setLayoutData(fdlRows);
    wRows = new Slider(shell, SWT.HORIZONTAL);
    wRows.setIncrement(1);
    wRows.setMinimum(1);
    wRows.setMaximum(11);
    wRows.setThumb(1);
    wRows.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent se) {
            Slider sl = (Slider) se.widget;
            nrrows = sl.getSelection();
            wCanvas.redraw();
        }
    });
    props.setLook(wRows);
    fdRows = new FormData();
    fdRows.left = new FormAttachment(middle, 0);
    fdRows.top = new FormAttachment(wCanvas, margin);
    fdRows.right = new FormAttachment(100, 0);
    wRows.setLayoutData(fdRows);
    // Cols
    wlCols = new Label(shell, SWT.NONE);
    wlCols.setText(BaseMessages.getString(PKG, "EnterPrintDialog.Cols.Label"));
    props.setLook(wlCols);
    fdlCols = new FormData();
    fdlCols.left = new FormAttachment(0, 0);
    fdlCols.right = new FormAttachment(middle, -margin);
    fdlCols.top = new FormAttachment(wRows, margin);
    wlCols.setLayoutData(fdlCols);
    wCols = new Slider(shell, SWT.HORIZONTAL);
    wCols.setIncrement(1);
    wCols.setMinimum(1);
    wCols.setMaximum(11);
    wCols.setThumb(1);
    wCols.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent se) {
            Slider sl = (Slider) se.widget;
            nrcols = sl.getSelection();
            wCanvas.redraw();
        }
    });
    props.setLook(wCols);
    fdCols = new FormData();
    fdCols.left = new FormAttachment(middle, 0);
    fdCols.top = new FormAttachment(wRows, margin);
    fdCols.right = new FormAttachment(100, 0);
    wCols.setLayoutData(fdCols);
    // Scale
    wlScale = new Label(shell, SWT.NONE);
    wlScale.setText(BaseMessages.getString(PKG, "EnterPrintDialog.Scaling.Label"));
    props.setLook(wlScale);
    fdlScale = new FormData();
    fdlScale.left = new FormAttachment(0, 0);
    fdlScale.right = new FormAttachment(middle, -margin);
    fdlScale.top = new FormAttachment(wCols, margin);
    wlScale.setLayoutData(fdlScale);
    wScale = new Slider(shell, SWT.HORIZONTAL);
    wScale.setIncrement(10);
    wScale.setMinimum(10);
    wScale.setMaximum(500);
    wScale.setThumb(10);
    wScale.setPageIncrement(25);
    wScale.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent se) {
            Slider sl = (Slider) se.widget;
            scale = sl.getSelection();
            wCanvas.redraw();
        }
    });
    props.setLook(wScale);
    fdScale = new FormData();
    fdScale.left = new FormAttachment(middle, 0);
    fdScale.top = new FormAttachment(wCols, margin);
    fdScale.right = new FormAttachment(100, 0);
    wScale.setLayoutData(fdScale);
    // Left
    wlLeft = new Label(shell, SWT.NONE);
    wlLeft.setText(BaseMessages.getString(PKG, "EnterPrintDialog.LeftMargin.Label"));
    props.setLook(wlLeft);
    fdlLeft = new FormData();
    fdlLeft.left = new FormAttachment(0, 0);
    fdlLeft.right = new FormAttachment(middle, -margin);
    fdlLeft.top = new FormAttachment(wScale, margin);
    wlLeft.setLayoutData(fdlLeft);
    wLeft = new Text(shell, SWT.BORDER);
    wLeft.addModifyListener(new ModifyListener() {

        public void modifyText(ModifyEvent e) {
            Text w = (Text) e.widget;
            leftMargin = Const.toDouble(w.getText(), 0.00);
        }
    });
    props.setLook(wLeft);
    fdLeft = new FormData();
    fdLeft.left = new FormAttachment(middle, 0);
    fdLeft.top = new FormAttachment(wScale, margin);
    fdLeft.right = new FormAttachment(100, 0);
    wLeft.setLayoutData(fdLeft);
    // Right
    wlRight = new Label(shell, SWT.NONE);
    wlRight.setText(BaseMessages.getString(PKG, "EnterPrintDialog.RightMargin.Label"));
    props.setLook(wlRight);
    fdlRight = new FormData();
    fdlRight.left = new FormAttachment(0, 0);
    fdlRight.right = new FormAttachment(middle, -margin);
    fdlRight.top = new FormAttachment(wLeft, margin);
    wlRight.setLayoutData(fdlRight);
    wRight = new Text(shell, SWT.BORDER);
    wRight.addModifyListener(new ModifyListener() {

        public void modifyText(ModifyEvent e) {
            Text w = (Text) e.widget;
            rightMargin = Const.toDouble(w.getText(), 0.00);
        }
    });
    props.setLook(wRight);
    fdRight = new FormData();
    fdRight.left = new FormAttachment(middle, 0);
    fdRight.top = new FormAttachment(wLeft, margin);
    fdRight.right = new FormAttachment(100, 0);
    wRight.setLayoutData(fdRight);
    // Top
    wlTop = new Label(shell, SWT.NONE);
    wlTop.setText(BaseMessages.getString(PKG, "EnterPrintDialog.TopMargin.Label"));
    props.setLook(wlTop);
    fdlTop = new FormData();
    fdlTop.left = new FormAttachment(0, 0);
    fdlTop.right = new FormAttachment(middle, -margin);
    fdlTop.top = new FormAttachment(wRight, margin);
    wlTop.setLayoutData(fdlTop);
    wTop = new Text(shell, SWT.BORDER);
    wTop.addModifyListener(new ModifyListener() {

        public void modifyText(ModifyEvent e) {
            Text w = (Text) e.widget;
            topMargin = Const.toDouble(w.getText(), 0.00);
        }
    });
    props.setLook(wTop);
    fdTop = new FormData();
    fdTop.left = new FormAttachment(middle, 0);
    fdTop.top = new FormAttachment(wRight, margin);
    fdTop.right = new FormAttachment(100, 0);
    wTop.setLayoutData(fdTop);
    // Bottom
    wlBottom = new Label(shell, SWT.NONE);
    wlBottom.setText(BaseMessages.getString(PKG, "EnterPrintDialog.BottomMargin.Label"));
    props.setLook(wlBottom);
    fdlBottom = new FormData();
    fdlBottom.left = new FormAttachment(0, 0);
    fdlBottom.right = new FormAttachment(middle, -margin);
    fdlBottom.top = new FormAttachment(wTop, margin);
    wlBottom.setLayoutData(fdlBottom);
    wBottom = new Text(shell, SWT.BORDER);
    wBottom.addModifyListener(new ModifyListener() {

        public void modifyText(ModifyEvent e) {
            Text w = (Text) e.widget;
            bottomMargin = Const.toDouble(w.getText(), 0.00);
        }
    });
    props.setLook(wBottom);
    fdBottom = new FormData();
    fdBottom.left = new FormAttachment(middle, 0);
    fdBottom.top = new FormAttachment(wTop, margin);
    fdBottom.right = new FormAttachment(100, 0);
    wBottom.setLayoutData(fdBottom);
    // Some buttons
    wOK = new Button(shell, SWT.PUSH);
    wOK.setText(BaseMessages.getString(PKG, "System.Button.OK"));
    wCancel = new Button(shell, SWT.PUSH);
    wCancel.setText(BaseMessages.getString(PKG, "System.Button.Cancel"));
    fdOK = new FormData();
    fdOK.left = new FormAttachment(33, 0);
    fdOK.bottom = new FormAttachment(100, 0);
    wOK.setLayoutData(fdOK);
    fdCancel = new FormData();
    fdCancel.left = new FormAttachment(66, 0);
    fdCancel.bottom = new FormAttachment(100, 0);
    wCancel.setLayoutData(fdCancel);
    // Add listeners
    lsCancel = new Listener() {

        public void handleEvent(Event e) {
            cancel();
        }
    };
    lsOK = new Listener() {

        public void handleEvent(Event e) {
            ok();
        }
    };
    wOK.addListener(SWT.Selection, lsOK);
    wCancel.addListener(SWT.Selection, lsCancel);
    // Detect [X] or ALT-F4 or something that kills this window...
    shell.addShellListener(new ShellAdapter() {

        public void shellClosed(ShellEvent e) {
            cancel();
        }
    });
    getData();
    BaseStepDialog.setSize(shell);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    return retval;
}

Example 30 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();
}