Examples with Font org.eclipse.swt.graphics.Font used on opensource projects

Example 56 with Font

use of org.eclipse.swt.graphics.Font in project linuxtools by eclipse.

the class PieChartPaintListener method adjustTitle.

// Adjust the title with trailing blanks so it centers in the plot area
// rather than for the entire chart view which looks odd when not
// centered above the pie-charts themselves.
private void adjustTitle(PaintEvent pe) {
    ITitle title = chart.getTitle();
    Font font = title.getFont();
    Font oldFont = pe.gc.getFont();
    pe.gc.setFont(font);
    Control legend = (Control) chart.getLegend();
    Rectangle legendBounds = legend.getBounds();
    int adjustment = legendBounds.width - 15;
    // $NON-NLS-1$
    Point blankSize = pe.gc.textExtent(" ");
    int numBlanks = ((adjustment / blankSize.x) >> 1) << 1;
    String text = origTitleText;
    for (int i = 0; i < numBlanks; ++i) // $NON-NLS-1$
    text += " ";
    pe.gc.setFont(oldFont);
    title.setText(text);
}

Example 57 with Font

use of org.eclipse.swt.graphics.Font in project linuxtools by eclipse.

the class PieChartPaintListener method drawPieChart.

private void drawPieChart(PaintEvent e, int chartnum, Rectangle bounds) {
    double[] series = seriesValues[chartnum];
    int nelemSeries = series.length;
    double sumTotal = 0;
    // Don't need first angle; it's always 0
    pieSliceAngles[chartnum] = new int[nelemSeries - 1];
    for (int i = 0; i < nelemSeries; i++) {
        sumTotal += series[i];
    }
    GC gc = e.gc;
    Font oldFont = gc.getFont();
    gc.setLineWidth(1);
    int pieX = bounds.x + (bounds.width - pieWidth) / 2;
    int pieY = bounds.y + (bounds.height - pieWidth) / 2;
    pieCenters[chartnum] = new Point(pieX + pieWidth / 2, pieY + pieWidth / 2);
    if (sumTotal == 0) {
        gc.drawOval(pieX, pieY, pieWidth, pieWidth);
    } else {
        double factor = 100 / sumTotal;
        int sweepAngle = 0;
        int incrementAngle = 0;
        int initialAngle = 90;
        for (int i = 0; i < nelemSeries; i++) {
            // Stored angles increase in clockwise direction from 0 degrees at 12:00
            if (i > 0) {
                pieSliceAngles[chartnum][i - 1] = 90 - initialAngle;
            }
            gc.setBackground(((IBarSeries) chart.getSeriesSet().getSeries()[i]).getBarColor());
            if (i == (nelemSeries - 1)) {
                sweepAngle = 360 - incrementAngle;
            } else {
                double angle = series[i] * factor * 3.6;
                sweepAngle = (int) Math.round(angle);
            }
            gc.fillArc(pieX, pieY, pieWidth, pieWidth, initialAngle, (-sweepAngle));
            gc.drawArc(pieX, pieY, pieWidth, pieWidth, initialAngle, (-sweepAngle));
            incrementAngle += sweepAngle;
            initialAngle += (-sweepAngle);
        }
        gc.drawLine(pieCenters[chartnum].x, pieCenters[chartnum].y, pieCenters[chartnum].x, pieCenters[chartnum].y - pieWidth / 2);
    }
    Font font = new Font(Display.getDefault(), FONT, 12, SWT.BOLD);
    gc.setForeground(BLACK);
    gc.setBackground(WHITE);
    gc.setFont(font);
    String text = seriesNames[chartnum];
    Point textSize = e.gc.textExtent(text);
    gc.drawText(text, pieX + (pieWidth - textSize.x) / 2, pieY + pieWidth + textSize.y);
    gc.setFont(oldFont);
    font.dispose();
}

Example 58 with Font

use of org.eclipse.swt.graphics.Font in project linuxtools by eclipse.

the class ChartEditor method createPartControl.

@Override
public void createPartControl(Composite parent) {
    final ChartEditorInput input = (ChartEditorInput) getEditorInput();
    final HeapChart heapChart = input.getChart();
    control = new Chart(parent, SWT.FILL);
    heapChart.setChartControl(control);
    final Color LIGHTYELLOW = new Color(Display.getDefault(), 255, 255, 225);
    final Color WHITE = Display.getDefault().getSystemColor(SWT.COLOR_WHITE);
    final Color BLACK = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);
    final Color RED = Display.getDefault().getSystemColor(SWT.COLOR_RED);
    final Color ORANGE = new Color(Display.getDefault(), 255, 165, 0);
    final Color GREEN = Display.getDefault().getSystemColor(SWT.COLOR_GREEN);
    final Color DARK_BLUE = new Color(Display.getDefault(), 64, 128, 128);
    final int TICK_GAP = 40;
    control.setBackground(WHITE);
    control.setBackgroundInPlotArea(LIGHTYELLOW);
    FontData fd = JFaceResources.getDialogFont().getFontData()[0];
    fd.setStyle(SWT.BOLD);
    Font font = new Font(Display.getDefault(), fd);
    fd.setHeight(fd.getHeight() + 2);
    Font titleFont = new Font(Display.getDefault(), fd);
    ITitle title = control.getTitle();
    title.setFont(titleFont);
    title.setForeground(BLACK);
    title.setText(heapChart.title);
    IAxis xAxis = control.getAxisSet().getXAxis(0);
    xAxis.getGrid().setStyle(LineStyle.NONE);
    xAxis.getTick().setForeground(BLACK);
    ITitle xTitle = xAxis.getTitle();
    xTitle.setFont(font);
    xTitle.setForeground(BLACK);
    xTitle.setText(heapChart.xUnits);
    IAxis yAxis = control.getAxisSet().getYAxis(0);
    yAxis.getGrid().setStyle(LineStyle.SOLID);
    yAxis.getTick().setForeground(BLACK);
    yAxis.getTick().setTickMarkStepHint(TICK_GAP);
    ITitle yTitle = yAxis.getTitle();
    yTitle.setFont(font);
    yTitle.setText(heapChart.yUnits);
    yTitle.setForeground(BLACK);
    control.getLegend().setPosition(SWT.BOTTOM);
    // data
    final ILineSeries lsUseful = (ILineSeries) control.getSeriesSet().createSeries(SeriesType.LINE, // $NON-NLS-1$;
    Messages.getString("HeapChart.Useful_Heap"));
    lsUseful.setXSeries(heapChart.time);
    lsUseful.setYSeries(heapChart.dataUseful);
    lsUseful.setSymbolType(PlotSymbolType.DIAMOND);
    lsUseful.setSymbolColor(RED);
    lsUseful.setLineColor(RED);
    final ILineSeries lsExtra = (ILineSeries) control.getSeriesSet().createSeries(SeriesType.LINE, // $NON-NLS-1$;
    Messages.getString("HeapChart.Extra_Heap"));
    lsExtra.setXSeries(heapChart.time);
    lsExtra.setYSeries(heapChart.dataExtra);
    lsExtra.setSymbolType(PlotSymbolType.DIAMOND);
    lsExtra.setSymbolColor(ORANGE);
    lsExtra.setLineColor(ORANGE);
    if (heapChart.dataStacks != null) {
        final ILineSeries lsStack = (ILineSeries) control.getSeriesSet().createSeries(SeriesType.LINE, // $NON-NLS-1$;
        Messages.getString("HeapChart.Stacks"));
        lsStack.setXSeries(heapChart.time);
        lsStack.setYSeries(heapChart.dataStacks);
        lsStack.setSymbolType(PlotSymbolType.DIAMOND);
        lsStack.setSymbolColor(DARK_BLUE);
        lsStack.setLineColor(DARK_BLUE);
    }
    final ILineSeries lsTotal = (ILineSeries) control.getSeriesSet().createSeries(SeriesType.LINE, // $NON-NLS-1$;
    Messages.getString("HeapChart.Total_Heap"));
    lsTotal.setXSeries(heapChart.time);
    lsTotal.setYSeries(heapChart.dataTotal);
    lsTotal.setSymbolType(PlotSymbolType.DIAMOND);
    lsTotal.setSymbolColor(GREEN);
    lsTotal.setLineColor(GREEN);
    // adjust axes
    control.getAxisSet().adjustRange();
    IAxisSet axisSet = control.getAxisSet();
    Range xRange = axisSet.getXAxis(0).getRange();
    Range yRange = axisSet.getYAxis(0).getRange();
    double xExtra = 0.05 * (xRange.upper - xRange.lower);
    double yExtra = 0.05 * (yRange.upper - yRange.lower);
    axisSet.getXAxis(0).setRange(new Range(xRange.lower, xRange.upper + xExtra));
    axisSet.getYAxis(0).setRange(new Range(yRange.lower, yRange.upper + yExtra));
    // listeners
    control.getPlotArea().addMouseListener(new MouseAdapter() {

        @Override
        public void mouseDown(MouseEvent e) {
            showView();
            TableViewer viewer = input.getView().getTableViewer();
            input.getView().setTopControl(viewer.getControl());
            Point p = new Point(e.x, e.y);
            int closest = 0;
            double d1, d2, d3, currMin;
            double globalMin = Double.MAX_VALUE;
            for (int i = 0; i < heapChart.time.length; i++) {
                // get distance from click event to data points for the given index
                d1 = distance(lsUseful.getPixelCoordinates(i), p);
                d2 = distance(lsExtra.getPixelCoordinates(i), p);
                d3 = distance(lsTotal.getPixelCoordinates(i), p);
                // find the closest data point to the click event
                currMin = Math.min(Math.min(d1, d2), d3);
                if (currMin < globalMin) {
                    closest = i;
                    globalMin = currMin;
                }
            }
            MassifSnapshot snapshot = (MassifSnapshot) viewer.getElementAt(closest);
            viewer.setSelection(new StructuredSelection(snapshot), true);
            if (e.count == 2 && snapshot.isDetailed()) {
                ChartLocationsDialog dialog = new ChartLocationsDialog(Display.getCurrent().getActiveShell());
                dialog.setInput(snapshot);
                if (dialog.open() == Window.OK) {
                    dialog.openEditorForResult();
                }
            }
        }
    });
}

Example 59 with Font

use of org.eclipse.swt.graphics.Font in project linuxtools by eclipse.

the class SystemTapTextView method createViewer.

private void createViewer(Composite parent) {
    viewer = new StyledText(parent, SWT.READ_ONLY | SWT.MULTI | SWT.V_SCROLL | SWT.WRAP);
    viewer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    // $NON-NLS-1$
    Font font = new Font(parent.getDisplay(), "Monospace", 11, SWT.NORMAL);
    viewer.setFont(font);
    masterComposite = parent;
    display = masterComposite.getDisplay();
}

Example 60 with Font

use of org.eclipse.swt.graphics.Font in project knime-core by knime.

the class ElementRadioSelectionDialog method createRadioList.

/**
 * Creates the radio buttons and labels.
 * @param parent the parent composite.
 * @return returns the composite containing the radio buttons
 */
protected Composite createRadioList(final Composite parent) {
    Composite c = new Composite(parent, SWT.FILL);
    GridData data = new GridData();
    data.widthHint = convertWidthInCharsToPixels(m_width);
    data.heightHint = convertHeightInCharsToPixels(m_height);
    data.grabExcessVerticalSpace = true;
    data.grabExcessHorizontalSpace = true;
    data.horizontalAlignment = GridData.FILL;
    data.verticalAlignment = GridData.FILL;
    c.setLayoutData(data);
    GridLayout layout = new GridLayout(1, true);
    layout.marginTop = 10;
    c.setLayout(layout);
    c.setFont(parent.getFont());
    m_radioButtons = new Button[m_selectElements.length];
    for (int i = 0; i < m_selectElements.length; i++) {
        final RadioItem item = m_selectElements[i];
        Button radio = new Button(c, SWT.RADIO);
        radio.setText(item.getTitle());
        if (item.getTooltip() != null) {
            radio.setToolTipText(item.getTooltip());
        }
        radio.addSelectionListener(new SelectionAdapter() {

            /**
             * {@inheritDoc}
             */
            @Override
            public void widgetSelected(final SelectionEvent e) {
                m_selectedElement = item;
            }
        });
        if (item.getDescription() != null) {
            Label description = new Label(c, SWT.WRAP);
            description.setLayoutData(new GridData(data.widthHint, SWT.DEFAULT));
            FontData[] fD = c.getFont().getFontData();
            fD[0].setHeight(Math.max(fD[0].getHeight() - 2, 6));
            description.setFont(new Font(parent.getDisplay(), fD[0]));
            description.setText(item.getDescription());
            if (item.getTooltip() != null) {
                description.setToolTipText(item.getTooltip());
            }
        }
        // spacer
        Label spacer = new Label(c, SWT.CENTER);
        spacer.setLayoutData(new GridData(data.widthHint, 5));
        m_radioButtons[i] = radio;
    }
    return c;
}