org.eclipse.swt.graphics.FontMetrics Java Examples

public Control[] doFillIntoGrid( Composite parent, int nColumns )
{
	assertEnoughColumns( nColumns );

	Button button = getSelectionButton( parent );
	GridData gd = new GridData( );
	gd.horizontalSpan = nColumns;
	gd.horizontalAlignment = GridData.FILL;
	if ( fButtonStyle == SWT.PUSH )
	{
		GC gc = new GC( button.getFont( ).getDevice( ) );
		gc.setFont( button.getFont( ) );
		FontMetrics fFontMetrics = gc.getFontMetrics( );
		gc.dispose( );
		int widthHint = Dialog.convertHorizontalDLUsToPixels( fFontMetrics,
				IDialogConstants.BUTTON_WIDTH );
		gd.widthHint = Math.max( widthHint,
				button.computeSize( SWT.DEFAULT, SWT.DEFAULT, true ).x );
	}

	button.setLayoutData( gd );

	return new Control[]{
		button
	};
}
 

private void showNullChart( Dimension dSize )
{
	// Display error message for null chart. This behavior is consistent
	// with invalid table.
	String MSG = Messages.getString( "DesignerRepresentation.msg.InvalidChart" ); //$NON-NLS-1$
	logger.log( ILogger.ERROR,
			Messages.getString( "DesignerRepresentation.log.UnableToFind" ) ); //$NON-NLS-1$

	Device dv = Display.getCurrent( );
	Font font = FontManager.getFont( "Dialog", 10, SWT.ITALIC ); //$NON-NLS-1$
	gc.setFont( font );
	FontMetrics fm = gc.getFontMetrics( );
	gc.setForeground( dv.getSystemColor( SWT.COLOR_RED ) );
	gc.setBackground( dv.getSystemColor( SWT.COLOR_WHITE ) );
	gc.fillRectangle( 0, 0, dSize.width - 1, dSize.height - 1 );
	gc.drawRectangle( 0, 0, dSize.width - 1, dSize.height - 1 );
	String[] texts = splitOnBreaks( MSG, font, dSize.width - 10 );
	int y = 5;
	for ( String text : texts )
	{
		gc.drawText( text, 5, y );
		y += fm.getHeight( );
	}
}
 

/**
 * Returns the difference between the baseline of the widget and the
 * baseline as specified by the font for <code>gc</code>. When drawing
 * line numbers, the returned bias should be added to obtain text lined up
 * on the correct base line of the text widget.
 *
 * @param gc the <code>GC</code> to get the font metrics from
 * @param widgetLine the widget line
 * @return the baseline bias to use when drawing text that is lined up with
 *         <code>fCachedTextWidget</code>
 * @since 3.2
 */
private int getBaselineBias(GC gc, int widgetLine) {
	/*
	 * https://bugs.eclipse.org/bugs/show_bug.cgi?id=62951
	 * widget line height may be more than the font height used for the
	 * line numbers, since font styles (bold, italics...) can have larger
	 * font metrics than the simple font used for the numbers.
	 */
	int offset= fCachedTextWidget.getOffsetAtLine(widgetLine);
	int widgetBaseline= fCachedTextWidget.getBaseline(offset);

	FontMetrics fm= gc.getFontMetrics();
	int fontBaseline= fm.getAscent() + fm.getLeading();
	int baselineBias= widgetBaseline - fontBaseline;
	return Math.max(0, baselineBias);
}
 

/**
 * @param parent
 *            parent control
 */
private void createFilterText(Composite parent) {
	// Create the widget
	filterText = new Text(parent, SWT.NONE);
	// Set the font
	GC gc = new GC(parent);
	gc.setFont(parent.getFont());
	FontMetrics fontMetrics = gc.getFontMetrics();
	gc.dispose();
	// Create the layout
	GridData data = new GridData(GridData.FILL_HORIZONTAL);
	data.heightHint = Dialog.convertHeightInCharsToPixels(fontMetrics, 1);
	data.horizontalAlignment = GridData.FILL;
	data.verticalAlignment = GridData.CENTER;
	filterText.setLayoutData(data);
}
 

/**
 * Does not paint hidden annotations. Annotations are hidden when they
 * only span one line.
 * 
 * @see ProjectionAnnotation#paint(org.eclipse.swt.graphics.GC,
 *      org.eclipse.swt.widgets.Canvas,
 *      org.eclipse.swt.graphics.Rectangle)
 */
@Override
public void paint(GC gc, Canvas canvas, Rectangle rectangle) {
	/* workaround for BUG85874 */
	/*
	 * only need to check annotations that are expanded because hidden
	 * annotations should never have been given the chance to collapse.
	 */
	if (!isCollapsed()) {
		// working with rectangle, so line height
		FontMetrics metrics = gc.getFontMetrics();
		if (metrics != null) {
			// do not draw annotations that only span one line and
			// mark them as not visible
			if ((rectangle.height / metrics.getHeight()) <= 1) {
				visible = false;
				return;
			}
		}
	}
	visible = true;
	super.paint(gc, canvas, rectangle);
}
 

/**
 * Draw square of the given rgb.
 *
 * @param rgb        the rgb color
 * @param gc         the graphic context
 * @param textWidget the text widget
 * @param x          the location y
 * @param y          the location y
 * @return the square width.
 */
private int drawSquare(RGB rgb, GC gc, StyledText textWidget, int x, int y) {
	FontMetrics fontMetrics = gc.getFontMetrics();
	int size = getSquareSize(fontMetrics);
	x += fontMetrics.getLeading();
	y += fontMetrics.getDescent();

	Rectangle rect = new Rectangle(x, y, size, size);

	// Fill square
	gc.setBackground(getColor(rgb, textWidget.getDisplay()));
	gc.fillRectangle(rect);

	// Draw square box
	gc.setForeground(textWidget.getForeground());
	gc.drawRectangle(rect);
	return getSquareWidth(gc.getFontMetrics());
}
 

/**
 * Setup some sensible paging information.
 */
public static void setupPagingInformation(ScrolledComposite composite) {
	GC gc = new GC(composite);
	FontMetrics fontMetrics = gc.getFontMetrics();
	gc.dispose();
	int fontHeight = fontMetrics.getHeight();
	int fontWidth = fontMetrics.getAverageCharWidth();
	Rectangle clientArea = composite.getClientArea();
	int lines = clientArea.height / fontHeight;
	int pageHeight = lines * fontHeight;
	int pageWidth = clientArea.width - fontWidth; 
	composite.getVerticalBar().setIncrement(fontHeight);
	composite.getVerticalBar().setPageIncrement(pageHeight);
	composite.getHorizontalBar().setIncrement(fontWidth);
	composite.getHorizontalBar().setPageIncrement(pageWidth);
}
 

private Point maxExtent(String[] text) {
	Font oldFont = gc.getFont();
	try {
		initGC();

		FontMetrics fm = gc.getFontMetrics();
		int maxWidth = 0;

		for (int i = 0; i < text.length; i++) {
			String textPiece = text[i];
			maxWidth = Math.max(maxWidth, gc.stringExtent(textPiece).x);
		}

		return new Point(maxWidth, fm.getHeight());
	} finally {
		restoreGC(oldFont);
	}
}
 

private int getBaselineBias(GC gc, int widgetLine) {
    /*
     * https://bugs.eclipse.org/bugs/show_bug.cgi?id=62951
     * widget line height may be more than the font height used for the
     * line numbers, since font styles (bold, italics...) can have larger
     * font metrics than the simple font used for the numbers.
     */
    int offset= fCachedTextWidget.getOffsetAtLine(widgetLine);
    int widgetBaseline= fCachedTextWidget.getBaseline(offset);

    FontMetrics fm= gc.getFontMetrics();
    int fontBaseline= fm.getAscent() + fm.getLeading();
    int baselineBias= widgetBaseline - fontBaseline;
    return Math.max(0, baselineBias);
}
 

private void setGridData(Control control, int heightFactor, int widthFactor) {
	GC gc = new GC(control);
	try {
		gc.setFont(control.getFont());
		FontMetrics fm = gc.getFontMetrics();
		GridData gd = new GridData(SWT.LEFT, SWT.CENTER, false, false);
		gd.heightHint = heightFactor * fm.getHeight();
		gd.widthHint = widthFactor * fm.getHeight();
		control.setLayoutData(gd);
	} finally {
		gc.dispose();
	}
}
 

/**
 * Draw string at widget offset.
 * 
 * @param gc
 * @param offset
 *            the widget offset
 * @param s
 *            the string to be drawn
 * @param fg
 *            the foreground color
 */
private void draw(GC gc, int offset, String s, Color fg)
{
	// Compute baseline delta (see
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165640)
	int baseline = fTextWidget.getBaseline(offset);
	FontMetrics fontMetrics = gc.getFontMetrics();
	int fontBaseline = fontMetrics.getAscent() + fontMetrics.getLeading();
	int baslineDelta = baseline - fontBaseline;

	Point pos = fTextWidget.getLocationAtOffset(offset);
	gc.setForeground(fg);
	gc.drawString(s, pos.x, pos.y + baslineDelta, true);
}
 

private void addMeasureItemListener()
{
	if (controlIsDisposed())
	{
		return;
	}

	final Tree tree = getTree();
	// Hack to force a specific row height and width based on font
	measureItemListener = new Listener()
	{
		public void handleEvent(Event event)
		{
			if (!useEditorFont())
			{
				return;
			}
			Font font = JFaceResources.getFont(IThemeManager.VIEW_FONT_NAME);
			if (font == null)
			{
				font = JFaceResources.getTextFont();
			}
			if (font != null)
			{
				event.gc.setFont(font);
				FontMetrics metrics = event.gc.getFontMetrics();
				int height = metrics.getHeight() + 2;
				TreeItem item = (TreeItem) event.item;
				int width = event.gc.stringExtent(item.getText()).x + 24; // minimum width we need for text plus eye
				event.height = height;
				if (width > event.width)
				{
					event.width = width;
				}
			}
		}
	};
	tree.addListener(SWT.MeasureItem, measureItemListener);
}
 

void computeBandHeight() {
	if (getFont() == null) { return; }
	final GC gc = new GC(this);
	final FontMetrics metrics = gc.getFontMetrics();
	gc.dispose();
	bandHeight = Math.max(ParameterExpandItem.CHEVRON_SIZE, metrics.getHeight());
}
 

public static int getCharHeight(Control ctr) {
      GC gc = new GC(ctr);
      FontMetrics fm;
      try {
      	gc.setFont(JFaceResources.getDialogFont());
      	fm = gc.getFontMetrics();
} finally {
	gc.dispose();
}
      return fm.getHeight();
  }
 

/**
 * Paint.
 */
protected void onPaint(GC gc) {
	final Rectangle b = getBounds();

	final TestStatus status = counter != null ? counter.getAggregatedStatus() : null;
	if (status != null) {

		final int total = Math.max(expectedTotal, counter.getTotal()); // this is our 100% value
		final int value = counter.getTotal(); // current value
		final int totalPx = b.width;
		final int valuePx = Math.round(totalPx * (((float) value) / ((float) total)));

		gc.setBackground(getColorForStatus(status));
		gc.fillRectangle(0, 0, valuePx, b.height);

		gc.setBackground(getBackground());
		gc.fillRectangle(0 + valuePx, 0, b.width - valuePx, b.height);
	} else {
		// clear
		gc.setBackground(getBackground());
		gc.fillRectangle(b);
	}

	if (counter != null) {
		final FontMetrics fm = gc.getFontMetrics();
		gc.setForeground(getForeground());
		final int pending = expectedTotal > 0 ? expectedTotal - counter.getTotal() : -1;
		gc.drawString(counter.toString(true, pending, SWT.RIGHT),
				4, b.height / 2 - fm.getHeight() / 2 - fm.getDescent(), true);
	}
}
 

private PrintPiece internalNext(int width, int height) {
	FontMetrics fm = gc.getFontMetrics();

	final int lineHeight = fm.getHeight();
	if (height < lineHeight)
		return null;

	final int maxLines = height / lineHeight;
	String[] nextLines = nextLines(width, maxLines);
	if (nextLines.length == 0)
		return null;

	int maxWidth = maxExtent(nextLines).x;
	Point size = new Point(maxWidth, nextLines.length * lineHeight);
	int ascent = fm.getAscent() + fm.getLeading();

	return new TextPiece(device, style, nextLines, size, ascent);
}
 

public Point computeSize(int wHint, int hHint, boolean changed) {
	if (preferredSize.x == -1 || changed) {
		preferredSize.x = getSize().x;
		Display display = Display.getCurrent();
		GC gc = new GC(display);
		try {
			Font font = display.getSystemFont();
			gc.setFont(font);
			FontMetrics fm = gc.getFontMetrics();
			preferredSize.y = fm.getHeight();
		} finally {
			gc.dispose();
		}
	}
	return preferredSize;
}
 

@Override
public FontMetrics getFontMetrics(GC gc) {
	if (span.types.contains(SpanType.FONT)) {
		gc.setFont(this.state.pollPreviousFont());
	}
	return gc.getFontMetrics();
}
 

@Override
public FontMetrics getFontMetrics(GC gc) {
	// apply the font
	paint(gc, null);
	// return the metrics
	return gc.getFontMetrics();
}
 

@Override
public FontMetrics getFontMetrics(GC gc) {
	// apply the font
	paint(gc, null);
	// return the metrics
	return gc.getFontMetrics();
}
 

@Override
public FontMetrics getFontMetrics(GC gc) {
	if (this.fontSize != null || this.fontType != null) {
		Font currentFont = gc.getFont();
		this.state.addPreviousFont(currentFont);
		gc.setFont(ResourceHelper.getFont(currentFont, this.fontType, this.fontSize));
	}
	return gc.getFontMetrics();
}
 

public FontMetrics getBiggestMetrics() {
	return this.biggestMetrics;
}
 

protected void printAdr(final Kontakt k){
	// 25.01.2010 patch tschaller: there was always the printer selection
	// dialog. With printEtikette it wasn't so I copied the hardcoded string
	// from there
	// PrinterData pd =
	// getPrinterData(Messages.getString("GlobalActions.printersticker"));
	// //$NON-NLS-1$
	PrinterData pd = getPrinterData("Etiketten"); //$NON-NLS-1$
	if (pd != null) {
		// 25.01.2010 patch tschaller: page orientation of printer driver is
		// not handled correctly (we always get porttrait even when the
		// printer settings have landscape stored)
		Integer iOrientation = -1;
		String sOrientation = CoreHub.localCfg.get("Drucker/Etiketten/Ausrichtung", null); //$NON-NLS-1$
		try {
			iOrientation = Integer.parseInt(sOrientation);
		} catch (NumberFormatException ex) {}
		if (iOrientation != -1)
			pd.orientation = iOrientation;
		Printer prn = new Printer(pd);
		if (prn.startJob("Etikette drucken") == true) { //$NON-NLS-1$
			GC gc = new GC(prn);
			int y = 0;
			prn.startPage();
			FontMetrics fmt = gc.getFontMetrics();
			String pers = k.getPostAnschrift(true);
			String[] lines = pers.split("\n"); //$NON-NLS-1$
			for (String line : lines) {
				gc.drawString(line, 0, y);
				y += fmt.getHeight();
			}
			gc.dispose();
			prn.endPage();
			prn.endJob();
			prn.dispose();
		} else {
			MessageDialog.openError(mainWindow.getShell(),
				Messages.GlobalActions_PrinterErrorTitle,
				Messages.GlobalActions_PrinterErrorMessage); //$NON-NLS-1$ //$NON-NLS-2$
			
		}
		
	}
}
 

protected void printPatientAuftragsnummer(final Patient patient){
	PrinterData pd = getPrinterData("Etiketten"); //$NON-NLS-1$
	if (pd != null) {
		// 25.01.2010 patch tschaller: page orientation of printer
		// driver is not handled correctly (we always get porttrait
		// even when the printer settings have landscape stored)
		Integer iOrientation = -1;
		String sOrientation = CoreHub.localCfg.get("Drucker/Etiketten/Ausrichtung", null); //$NON-NLS-1$
		try {
			iOrientation = Integer.parseInt(sOrientation);
		} catch (NumberFormatException ex) {}
		if (iOrientation != -1)
			pd.orientation = iOrientation;
		Printer prn = new Printer(pd);
		if (prn.startJob(Messages.GlobalActions_PrintLabelJobName) == true) { //$NON-NLS-1$
			GC gc = new GC(prn);
			int y = 0;
			prn.startPage();
			String pid = StringTool.addModulo10(patient.getPatCode()) + "-" //$NON-NLS-1$
				+ new TimeTool().toString(TimeTool.TIME_COMPACT);
			gc.drawString(Messages.GlobalActions_OrderID + ": " + pid, 0, 0); //$NON-NLS-1$ //$NON-NLS-2$
			FontMetrics fmt = gc.getFontMetrics();
			y += fmt.getHeight();
			String pers = patient.getPersonalia();
			gc.drawString(pers, 0, y);
			y += fmt.getHeight();
			gc.drawString(patient.getAnschrift().getEtikette(false, false), 0, y);
			y += fmt.getHeight();
			StringBuilder tel = new StringBuilder();
			tel.append(Messages.GlobalActions_PhoneHomeLabelText)
				.append(patient.get("Telefon1")) //$NON-NLS-1$ //$NON-NLS-2$
				.append(Messages.GlobalActions_PhoneWorkLabelText)
				.append(patient.get("Telefon2")) //$NON-NLS-1$ //$NON-NLS-2$
				.append(Messages.GlobalActions_PhoneMobileLabelText)
				.append(patient.get("Natel")); //$NON-NLS-1$ //$NON-NLS-2$
			gc.drawString(tel.toString(), 0, y);
			gc.dispose();
			prn.endPage();
			prn.endJob();
			prn.dispose();
		} else {
			MessageDialog.openError(mainWindow.getShell(),
				Messages.GlobalActions_PrinterErrorTitle,
				Messages.GlobalActions_PrinterErrorMessage); //$NON-NLS-1$ //$NON-NLS-2$
			
		}
	}
}
 

protected void printPatient(final Patient patient){
	PrinterData pd = getPrinterData("Etiketten"); //$NON-NLS-1$
	if (pd != null) {
		// 25.01.2010 patch tschaller: page orientation of printer
		// driver is not handled correctly (we always get porttrait
		// even when the printer settings have landscape stored)
		Integer iOrientation = -1;
		String sOrientation = CoreHub.localCfg.get("Drucker/Etiketten/Ausrichtung", null); //$NON-NLS-1$
		try {
			iOrientation = Integer.parseInt(sOrientation);
		} catch (NumberFormatException ex) {}
		if (iOrientation != -1)
			pd.orientation = iOrientation;
		Printer prn = new Printer(pd);
		if (prn.startJob(Messages.GlobalActions_PrintLabelJobName) == true) { //$NON-NLS-1$
			GC gc = new GC(prn);
			int y = 0;
			prn.startPage();
			gc.drawString(Messages.GlobalActions_PatientIDLabelText + patient.getPatCode(), 0,
				0); //$NON-NLS-1$
			FontMetrics fmt = gc.getFontMetrics();
			y += fmt.getHeight();
			String pers = patient.getPersonalia();
			gc.drawString(pers, 0, y);
			y += fmt.getHeight();
			gc.drawString(patient.getAnschrift().getEtikette(false, false), 0, y);
			y += fmt.getHeight();
			StringBuilder tel = new StringBuilder();
			tel.append(Messages.GlobalActions_PhoneHomeLabelText)
				.append(patient.get("Telefon1")) //$NON-NLS-1$ //$NON-NLS-2$
				.append(Messages.GlobalActions_PhoneWorkLabelText)
				.append(patient.get("Telefon2")) //$NON-NLS-1$ //$NON-NLS-2$
				.append(Messages.GlobalActions_PhoneMobileLabelText)
				.append(patient.get("Natel")); //$NON-NLS-1$ //$NON-NLS-2$
			gc.drawString(tel.toString(), 0, y);
			gc.dispose();
			prn.endPage();
			prn.endJob();
			prn.dispose();
		} else {
			MessageDialog.openError(mainWindow.getShell(),
				Messages.GlobalActions_PrinterErrorTitle,
				Messages.GlobalActions_PrinterErrorMessage); //$NON-NLS-1$ //$NON-NLS-2$
			
		}
	}
}
 

/**
 * Show the exception message that prevented to draw the chart
 * 
 * @param g2d
 * @param ex
 *            The exception that occured
 */
private final void showException( GC g2d, Exception ex )
{
	Point pTLC = new Point( 0, 0 );

	// String sWrappedException = ex.getClass( ).getName( );
	Throwable th = ex;

	String sMessage = null;
	if ( th instanceof BirtException )
	{
		sMessage = ( (BirtException) th ).getLocalizedMessage( );
	}
	else
	{
		sMessage = ex.getMessage( );
	}

	if ( sMessage == null )
	{
		sMessage = "<null>"; //$NON-NLS-1$
	}
	// StackTraceElement[] stea = ex.getStackTrace( );
	Dimension d = getSize( );

	Device dv = Display.getCurrent( );
	Font fo = new Font( dv, "Courier", SWT.BOLD, 12 ); //$NON-NLS-1$
	g2d.setFont( fo );
	FontMetrics fm = g2d.getFontMetrics( );
	g2d.setBackground( dv.getSystemColor( SWT.COLOR_WHITE ) );
	g2d.fillRectangle( pTLC.x + 20,
			pTLC.y + 20,
			d.width - 40,
			d.height - 40 );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
	g2d.drawRectangle( pTLC.x + 20,
			pTLC.y + 20,
			d.width - 40,
			d.height - 40 );
	Region rgPrev = new Region( );
	g2d.getClipping( rgPrev );
	g2d.setClipping( pTLC.x + 20, pTLC.y + 20, d.width - 40, d.height - 40 );
	int x = pTLC.x + 25, y = pTLC.y + 20 + fm.getHeight( );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
	g2d.drawString( ERROR_MSG, x, y );
	y += fm.getHeight( );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_RED ) );
	g2d.drawText( sMessage, x, y );

	g2d.setClipping( rgPrev );
	rgPrev.dispose( );
	fo.dispose( );
}
 

public void paint(final GC gc, final int x, final int y) {
	Font oldFont = gc.getFont();
	Color oldForeground = gc.getForeground();
	Color oldBackground = gc.getBackground();

	final int width = getSize().x;
	final int align = style.getAlignment();

	try {
		boolean transparent = initGC(gc);

		FontMetrics fm = gc.getFontMetrics();
		int lineHeight = fm.getHeight();

		boolean strikeout = style.getStrikeout();
		boolean underline = style.getUnderline();
		int lineThickness = Math.max(1, fm.getDescent() / 3);
		int strikeoutOffset = fm.getLeading() + fm.getAscent() / 2;
		int underlineOffset = ascent + lineThickness;

		for (int i = 0; i < lines.length; i++) {
			String line = lines[i];
			int lineWidth = gc.stringExtent(line).x;
			int offset = getHorzAlignmentOffset(align, lineWidth, width);

			gc.drawString(lines[i], x + offset, y + lineHeight * i,
					transparent);
			if (strikeout || underline) {
				Color saveBackground = gc.getBackground();
				gc.setBackground(gc.getForeground());
				if (strikeout)
					gc.fillRectangle(x + offset, y + lineHeight * i
							+ strikeoutOffset, lineWidth, lineThickness);
				if (underline)
					gc.fillRectangle(x + offset, y + lineHeight * i
							+ underlineOffset, lineWidth, lineThickness);
				gc.setBackground(saveBackground);
			}
		}
	} finally {
		restoreGC(gc, oldFont, oldForeground, oldBackground);
	}
}
 

private final void showException( GC g2d, Exception ex )
{
	String sWrappedException = ex.getClass( ).getName( );
	Throwable th = ex;
	while ( ex.getCause( ) != null )
	{
		ex = (Exception) ex.getCause( );
	}
	String sException = ex.getClass( ).getName( );
	if ( sWrappedException.equals( sException ) )
	{
		sWrappedException = null;
	}

	String sMessage = null;
	if ( th instanceof BirtException )
	{
		sMessage = ( (BirtException) th ).getLocalizedMessage( );
	}
	else
	{
		sMessage = ex.getMessage( );
	}

	if ( sMessage == null )
	{
		sMessage = "<null>";//$NON-NLS-1$
	}
	StackTraceElement[] stea = ex.getStackTrace( );
	Point d = this.getSize( );

	Device dv = Display.getCurrent( );
	Font fo = new Font( dv, "Courier", SWT.BOLD, 16 );//$NON-NLS-1$
	g2d.setFont( fo );
	FontMetrics fm = g2d.getFontMetrics( );
	g2d.setBackground( dv.getSystemColor( SWT.COLOR_WHITE ) );
	g2d.fillRectangle( 20, 20, d.x - 40, d.y - 40 );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
	g2d.drawRectangle( 20, 20, d.x - 40, d.y - 40 );
	g2d.setClipping( 20, 20, d.x - 40, d.y - 40 );
	int x = 25, y = 20 + fm.getHeight( );
	g2d.drawString( "Exception:", x, y );//$NON-NLS-1$
	x += g2d.textExtent( "Exception:" ).x + 5;//$NON-NLS-1$
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_RED ) );
	g2d.drawString( sException, x, y );
	x = 25;
	y += fm.getHeight( );
	if ( sWrappedException != null )
	{
		g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
		g2d.drawString( "Wrapped In:", x, y );//$NON-NLS-1$
		x += g2d.textExtent( "Wrapped In:" ).x + 5;//$NON-NLS-1$
		g2d.setForeground( dv.getSystemColor( SWT.COLOR_RED ) );
		g2d.drawString( sWrappedException, x, y );
		x = 25;
		y += fm.getHeight( );
	}
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
	y += 10;
	g2d.drawString( "Message:", x, y );//$NON-NLS-1$
	x += g2d.textExtent( "Message:" ).x + 5;//$NON-NLS-1$
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLUE ) );
	g2d.drawString( sMessage, x, y );
	x = 25;
	y += fm.getHeight( );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
	y += 10;
	g2d.drawString( "Trace:", x, y );//$NON-NLS-1$
	x = 40;
	y += fm.getHeight( );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_DARK_GREEN ) );
	for ( int i = 0; i < stea.length; i++ )
	{
		g2d.drawString( stea[i].getClassName( ) + ":"//$NON-NLS-1$
				+ stea[i].getMethodName( )
				+ "(...):"//$NON-NLS-1$
				+ stea[i].getLineNumber( ), x, y );
		x = 40;
		y += fm.getHeight( );
	}
	fo.dispose( );
}
 

private final void showException( GC g2d, Exception ex )
{
	String sWrappedException = ex.getClass( ).getName( );
	Throwable th = ex;
	while ( ex.getCause( ) != null )
	{
		ex = (Exception) ex.getCause( );
	}
	String sException = ex.getClass( ).getName( );
	if ( sWrappedException.equals( sException ) )
	{
		sWrappedException = null;
	}

	String sMessage = null;
	if ( th instanceof BirtException )
	{
		sMessage = ( (BirtException) th ).getLocalizedMessage( );
	}
	else
	{
		sMessage = ex.getMessage( );
	}

	if ( sMessage == null )
	{
		sMessage = "<null>";//$NON-NLS-1$
	}
	StackTraceElement[] stea = ex.getStackTrace( );
	Point d = this.getSize( );

	Device dv = Display.getCurrent( );
	Font fo = new Font( dv, "Courier", SWT.BOLD, 16 );//$NON-NLS-1$
	g2d.setFont( fo );
	FontMetrics fm = g2d.getFontMetrics( );
	g2d.setBackground( dv.getSystemColor( SWT.COLOR_WHITE ) );
	g2d.fillRectangle( 20, 20, d.x - 40, d.y - 40 );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
	g2d.drawRectangle( 20, 20, d.x - 40, d.y - 40 );
	g2d.setClipping( 20, 20, d.x - 40, d.y - 40 );
	int x = 25, y = 20 + fm.getHeight( );
	g2d.drawString( "Exception:", x, y );//$NON-NLS-1$
	x += g2d.textExtent( "Exception:" ).x + 5;//$NON-NLS-1$
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_RED ) );
	g2d.drawString( sException, x, y );
	x = 25;
	y += fm.getHeight( );
	if ( sWrappedException != null )
	{
		g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
		g2d.drawString( "Wrapped In:", x, y );//$NON-NLS-1$
		x += g2d.textExtent( "Wrapped In:" ).x + 5;//$NON-NLS-1$
		g2d.setForeground( dv.getSystemColor( SWT.COLOR_RED ) );
		g2d.drawString( sWrappedException, x, y );
		x = 25;
		y += fm.getHeight( );
	}
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
	y += 10;
	g2d.drawString( "Message:", x, y );//$NON-NLS-1$
	x += g2d.textExtent( "Message:" ).x + 5;//$NON-NLS-1$
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLUE ) );
	g2d.drawString( sMessage, x, y );
	x = 25;
	y += fm.getHeight( );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
	y += 10;
	g2d.drawString( "Trace:", x, y );//$NON-NLS-1$
	x = 40;
	y += fm.getHeight( );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_DARK_GREEN ) );
	for ( int i = 0; i < stea.length; i++ )
	{
		g2d.drawString( stea[i].getClassName( ) + ":"//$NON-NLS-1$
				+ stea[i].getMethodName( )
				+ "(...):"//$NON-NLS-1$
				+ stea[i].getLineNumber( ), x, y );
		x = 40;
		y += fm.getHeight( );
	}
	fo.dispose( );
}
 

private final void showException( GC g2d, Exception ex )
{
	String sWrappedException = ex.getClass( ).getName( );
	Throwable th = ex;
	while ( ex.getCause( ) != null )
	{
		ex = (Exception) ex.getCause( );
	}
	String sException = ex.getClass( ).getName( );
	if ( sWrappedException.equals( sException ) )
	{
		sWrappedException = null;
	}

	String sMessage = null;
	if ( th instanceof BirtException )
	{
		sMessage = ( (BirtException) th ).getLocalizedMessage( );
	}
	else
	{
		sMessage = ex.getMessage( );
	}

	if ( sMessage == null )
	{
		sMessage = "<null>";//$NON-NLS-1$
	}
	StackTraceElement[] stea = ex.getStackTrace( );
	Point d = this.getSize( );

	Device dv = Display.getCurrent( );
	Font fo = new Font( dv, "Courier", SWT.BOLD, 16 );//$NON-NLS-1$
	g2d.setFont( fo );
	FontMetrics fm = g2d.getFontMetrics( );
	g2d.setBackground( dv.getSystemColor( SWT.COLOR_WHITE ) );
	g2d.fillRectangle( 20, 20, d.x - 40, d.y - 40 );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
	g2d.drawRectangle( 20, 20, d.x - 40, d.y - 40 );
	g2d.setClipping( 20, 20, d.x - 40, d.y - 40 );
	int x = 25, y = 20 + fm.getHeight( );
	g2d.drawString( "Exception:", x, y );//$NON-NLS-1$
	x += g2d.textExtent( "Exception:" ).x + 5;//$NON-NLS-1$
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_RED ) );
	g2d.drawString( sException, x, y );
	x = 25;
	y += fm.getHeight( );
	if ( sWrappedException != null )
	{
		g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
		g2d.drawString( "Wrapped In:", x, y );//$NON-NLS-1$
		x += g2d.textExtent( "Wrapped In:" ).x + 5;//$NON-NLS-1$
		g2d.setForeground( dv.getSystemColor( SWT.COLOR_RED ) );
		g2d.drawString( sWrappedException, x, y );
		x = 25;
		y += fm.getHeight( );
	}
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
	y += 10;
	g2d.drawString( "Message:", x, y );//$NON-NLS-1$
	x += g2d.textExtent( "Message:" ).x + 5;//$NON-NLS-1$
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLUE ) );
	g2d.drawString( sMessage, x, y );
	x = 25;
	y += fm.getHeight( );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_BLACK ) );
	y += 10;
	g2d.drawString( "Trace:", x, y );//$NON-NLS-1$
	x = 40;
	y += fm.getHeight( );
	g2d.setForeground( dv.getSystemColor( SWT.COLOR_DARK_GREEN ) );
	for ( int i = 0; i < stea.length; i++ )
	{
		g2d.drawString( stea[i].getClassName( ) + ":"//$NON-NLS-1$
				+ stea[i].getMethodName( ) + "(...):"//$NON-NLS-1$
				+ stea[i].getLineNumber( ), x, y );
		x = 40;
		y += fm.getHeight( );
	}
	fo.dispose( );
}