Java Code Examples for org.eclipse.swt.custom.StyledText#setBackground()

/**
 * 初始化默认颜色、字体等
 * @param textControl
 *            ;
 */
private void initStyle(final StyledText textControl, IStyle cellStyle) {
	// textControl.setBackground(cellStyle.getAttributeValue(CellStyleAttributes.BACKGROUND_COLOR));
	textControl.setBackground(GUIHelper.getColor(210, 210, 240));
	textControl.setForeground(cellStyle.getAttributeValue(CellStyleAttributes.FOREGROUND_COLOR));

	textControl.setLineSpacing(Constants.SEGMENT_LINE_SPACING);
	textControl.setLeftMargin(Constants.SEGMENT_LEFT_MARGIN);
	textControl.setRightMargin(Constants.SEGMENT_RIGHT_MARGIN);
	textControl.setTopMargin(Constants.SEGMENT_TOP_MARGIN);
	textControl.setBottomMargin(Constants.SEGMENT_TOP_MARGIN);

	// textControl.setLeftMargin(0);
	// textControl.setRightMargin(0);
	// textControl.setTopMargin(0);
	// textControl.setBottomMargin(0);

	textControl.setFont(JFaceResources.getFont(net.heartsome.cat.ts.ui.Constants.XLIFF_EDITOR_TEXT_FONT));
	textControl.setIME(new IME(textControl, SWT.NONE));

}
 

/**
 * 初始化默认颜色、字体等
 * @param textControl
 *            ;
 */
private void initStyle(final StyledText textControl, IStyle cellStyle) {
	// textControl.setBackground(cellStyle.getAttributeValue(CellStyleAttributes.BACKGROUND_COLOR));
	textControl.setBackground(GUIHelper.getColor(210, 210, 240));
	textControl.setForeground(cellStyle.getAttributeValue(CellStyleAttributes.FOREGROUND_COLOR));

	textControl.setLineSpacing(Constants.SEGMENT_LINE_SPACING);
	textControl.setLeftMargin(Constants.SEGMENT_LEFT_MARGIN);
	textControl.setRightMargin(Constants.SEGMENT_RIGHT_MARGIN);
	textControl.setTopMargin(Constants.SEGMENT_TOP_MARGIN);
	textControl.setBottomMargin(Constants.SEGMENT_TOP_MARGIN);

	// textControl.setLeftMargin(0);
	// textControl.setRightMargin(0);
	// textControl.setTopMargin(0);
	// textControl.setBottomMargin(0);

	textControl.setFont(JFaceResources.getFont(net.heartsome.cat.ts.ui.Constants.XLIFF_EDITOR_TEXT_FONT));
	textControl.setIME(new IME(textControl, SWT.NONE));

}
 

private StyledText createStyledText() {
	styledText = new StyledText(shell,
			SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL); // SWT.WRAP
	GridData gridData = new GridData();
	styledText.setFont(
			new Font(shell.getDisplay(), "Source Code Pro Light", 10, SWT.NORMAL));
	gridData.horizontalAlignment = GridData.FILL;
	gridData.grabExcessHorizontalSpace = true;
	gridData.verticalAlignment = GridData.FILL;
	gridData.grabExcessVerticalSpace = true;
	styledText.setLayoutData(gridData);
	styledText.addLineStyleListener(lineStyler);
	styledText.setEditable(false);
	styledText
			.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_GRAY));
	return styledText;
}
 

void createStyledText(Composite parent){
      text = new StyledText(parent, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL);
//      text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
      GridData spec = new GridData();
      spec.heightHint = HEIGHT;
      spec.widthHint = WEIGHT;
      spec.horizontalAlignment = GridData.FILL;
      spec.grabExcessHorizontalSpace = true;
      spec.verticalAlignment = GridData.FILL;
      spec.grabExcessVerticalSpace = true;
      text.setLayoutData(spec);
      text.addLineStyleListener(lineStyler);
      text.setEditable(false);
      Color bg = Display.getDefault().getSystemColor(SWT.COLOR_WHITE);
      text.setBackground(bg);
   }
 

@Override
protected Control activateCell(Composite parent, Object originalCanonicalValue, Character initialEditValue) {
	if (originalCanonicalValue == null || !(originalCanonicalValue instanceof CellEditorCanonicalValue)) {
		return null;
	}

	StyledText textControl = createTextControl(parent);
	// init style
	IStyle cellStyle = getCellStyle();

	textControl.setBackground(GUIHelper.getColor(210, 210, 240));
	textControl.setForeground(cellStyle.getAttributeValue(CellStyleAttributes.FOREGROUND_COLOR));
	//textControl.setFont(cellStyle.getAttributeValue(CellStyleAttributes.FONT));
	textControl.setLineSpacing(TmxEditorConstanst.SEGMENT_LINE_SPACING);
	textControl.setLeftMargin(TmxEditorConstanst.SEGMENT_LEFT_MARGIN);
	textControl.setRightMargin(TmxEditorConstanst.SEGMENT_RIGHT_MARGIN);
	textControl.setTopMargin(TmxEditorConstanst.SEGMENT_TOP_MARGIN);
	textControl.setBottomMargin(TmxEditorConstanst.SEGMENT_TOP_MARGIN);
	textControl.setIME(new IME(textControl, SWT.NONE));

	setCanonicalValue(originalCanonicalValue);
	textControl.forceFocus();
	return textControl;
}
 

void setEditable( boolean editable){
   StyledText st = (StyledText) textView.getControl();
   if (editable) {
      // bodyText.setFont(ResourceUtils.getFont(Styles.FONT_COURIER));
      st.setForeground(ResourceUtils.getColor(Styles.GRAY_RGB_TEXT));
      st.setBackground(ResourceUtils.getColor(Styles.BACKGROUND_ENABLED));
      st.setEditable(true);
      attachManager.setEnabled(true);

   } else {
      // bodyText.setFont(ResourceUtils.getFont(Styles.FONT_COURIER));
      st.setForeground(ResourceUtils.getColor(Styles.LIGHT_RGB_TEXT));
      st.setBackground(ResourceUtils.getColor(Styles.PINK_DISABLED));
      st.setEditable(false);
      attachManager.setEnabled(false);
   }
}
 

public void initComponents(String label) {
       GridLayout gridLayout = new GridLayout(2, false);
	setLayout(gridLayout);
	
	GridData layoutData = new GridData();
	layoutData.grabExcessHorizontalSpace = true;
	layoutData.horizontalAlignment = GridData.FILL;
	setLayoutData(layoutData);

	// Text label
	StyledText gridLinesLabel = new StyledText(this, SWT.NONE);
	gridLinesLabel.setEditable(false);
	Display display = Display.getDefault();
	FontData data = display .getSystemFont().getFontData()[0];
	Font font = new Font(display, data.getName(), data.getHeight(), SWT.BOLD);
	gridLinesLabel.setFont(font);
	gridLinesLabel.setBackground(Display.getCurrent().getSystemColor (SWT.COLOR_WIDGET_BACKGROUND));
	gridLinesLabel.setText(label);

	// Separator line
	Label separator = new Label (this, SWT.SEPARATOR | SWT.HORIZONTAL);
	GridData separatorData = new GridData();
	separatorData.grabExcessHorizontalSpace = true;
	separatorData.horizontalAlignment = GridData.FILL;
	separatorData.horizontalIndent = 5;
	separator.setLayoutData(separatorData);
}
 

/**
 * @see org.eclipse.nebula.widgets.opal.preferencewindow.widgets.PWWidget#build(org.eclipse.swt.widgets.Composite)
 */
@Override
public Control build(final Composite parent) {
	if (getLabel() == null) {
		throw new UnsupportedOperationException("You need to set a description for a PWLabel object");
	}
	labelWidget = new StyledText(parent, SWT.WRAP | SWT.READ_ONLY);
	labelWidget.setEnabled(false);
	labelWidget.setBackground(parent.getBackground());
	labelWidget.setText(getLabel());
	SWTGraphicUtil.applyHTMLFormating(labelWidget);
	return labelWidget;
}
 

@Override
protected Control createDialogArea(Composite parent) {
    GridData gd = new GridData(GridData.FILL_BOTH);
    StyledText text = new StyledText(parent,
            SWT.MULTI | SWT.READ_ONLY | SWT.WRAP | SWT.H_SCROLL | SWT.V_SCROLL);
    text.setLayoutData(gd);

    text.setForeground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_FOREGROUND));
    text.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));

    text.setText(this.text);

    return text;
}
 

@Override
protected void inititalizeColors() {
	IPreferenceStore store = preferenceStoreAccess.getPreferenceStore();
	getColorRegistry().addListener(this);
	StyledText textWidget = getSourceViewer().getTextWidget();
	textWidget.setForeground(
			getColorFromStore(store, 
					AbstractTextEditor.PREFERENCE_COLOR_FOREGROUND_SYSTEM_DEFAULT, 
					SWT.COLOR_WIDGET_FOREGROUND, 
					AbstractTextEditor.PREFERENCE_COLOR_FOREGROUND));
	textWidget.setBackground(
			getColorFromStore(store, 
					AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT, 
					SWT.COLOR_INFO_BACKGROUND, 
					AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND));

	lineNumberRulerColumn.setForeground(
			getColorFromStore(store, 
					AbstractDecoratedTextEditorPreferenceConstants.EDITOR_LINE_NUMBER_RULER_COLOR,
					SWT.COLOR_WIDGET_FOREGROUND,
					AbstractDecoratedTextEditorPreferenceConstants.EDITOR_LINE_NUMBER_RULER_COLOR));
	lineNumberRulerColumn.setBackground(
			getColorFromStore(store, 
					AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT, 
					SWT.COLOR_WIDGET_BACKGROUND, 
					AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND));
	lineNumberRulerColumn.setFont(getFont(getViewerFontName()));
}
 

private void updateStyledTextColors( StyledText styledText )
{
	if ( preferenceStore != null )
	{
		styledText.setForeground( getForegroundColor( preferenceStore ) );
		styledText.setBackground( getBackgroundColor( preferenceStore ) );
	}
}
 

public void insert(Composite parent, int numberOfRow) {
	for (int i = 0; i < params.length; i++) {
		String param = params[i];
		
		new Label(parent, SWT.NONE).setText("");
						
		StyledText lbl = new StyledText(parent, SWT.FULL_SELECTION | SWT.READ_ONLY | SWT.WRAP);
		lbl.setAlwaysShowScrollBars(false);
		lbl.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1));
		if( param.matches("^[a-zA-Z0-9]+:\\/\\/.*$") ) {
			lbl.setFont(SWTResourceManager.getFont("Segoe UI", 7, SWT.UNDERLINE_LINK));
			lbl.setForeground(SWTResourceManager.getColor(SWT.COLOR_LINK_FOREGROUND));
			lbl.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND));
			lbl.addMouseListener(new MouseAdapter() {

				@Override
				public void mouseDown(MouseEvent e) {
					eventManager.invoke(l -> l.onOpenInBrowserRequest(param));
				}
			});
		}else {
			lbl.setFont(SWTResourceManager.getFont("Segoe UI", 7, SWT.NORMAL));
		}
		lbl.setText(param);
		
		if (numberOfRow % 2 == 0) {
			lbl.setBackground(SWTResourceManager.getColor(206, 234, 255));
		}
	}
}
 

/**
 * Creates, configures and returns the suffix text control.
 */
private StyledText createSuffixText() {
	StyledText styledText = new StyledText(this, SWT.TRANSPARENT);
	styledText.setText("");
	styledText.setForeground(INACTIVE_COLOR);
	styledText.setBackground(getDisplay().getSystemColor(SWT.COLOR_TRANSPARENT));
	styledText.setEditable(false);
	styledText.setEnabled(false);
	styledText.setLeftMargin(0);

	return styledText;
}
 

private void createText(Composite parent, String value, String otherValue, Site site) {
	StyledString styled = new StyledString(value);
	new DiffStyle().applyTo(styled, otherValue, site, action);
	StyledText text = new StyledText(parent, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.WRAP);
	text.setText(styled.toString());
	text.setStyleRanges(styled.getStyleRanges());
	text.setEditable(false);
	text.setBackground(Colors.white());
	UI.gridData(text, true, true);
}
 

void setBackground( Color color){
   StyledText st = (StyledText) textView.getControl();
   st.setBackground(color);
}
 

/**
 * Create the composite.
 * 
 * @param parent
 * @param style
 */
public CheckForUpdates(Composite parent, int style) {
	super(parent, style);
	GridLayout gridLayout = new GridLayout(1, false);
	gridLayout.marginHeight = 0;
	gridLayout.marginWidth = 0;
	gridLayout.verticalSpacing = 0;
	gridLayout.horizontalSpacing = 0;
	setLayout(gridLayout);
	setVisible(false);

	txtStatus = new StyledText(this, SWT.WRAP);
	txtStatus.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
	txtStatus.setEditable(false);
	txtStatus.setForeground(SWTResourceManager.getColor(SWT.COLOR_BLACK));
	txtStatus.setBackground(getBackground());
	txtStatus.setFont(FontSize.getThisFontInNewSize(txtStatus.getFont(), 10, SWT.NORMAL));
	txtStatus.addMouseListener(mouseHandler);
	txtStatus.setCaret(new Caret(txtStatus, SWT.NONE));
	setText("Rel updates?");

	updateChecker = new UpdatesCheck(parent.getDisplay()) {
		@Override
		public void completed(SendStatus sendStatus) {
			CheckForUpdates.this.completed(sendStatus);
		}
	};

	TimerTask checkForUpdates = new TimerTask() {
		@Override
		public void run() {
			if (CheckForUpdates.this.isDisposed())
				return;
			getDisplay().asyncExec(() -> {
				if (CheckForUpdates.this.isDisposed())
					return;
				setVisible(true);
				setText("Rel updates?");
				System.out.println("CheckForUpdates: check for updates.");
				updateChecker.doCancel();
				updateChecker.doSend();
			});
		}
	};

	// Check for updates after 10 seconds, then every 12 hours
	Timer checkTimer = new Timer();
	checkTimer.schedule(checkForUpdates, 1000 * 5, 1000 * 60 * 60 * 12);
}
 

protected void initializeViewerColors() {
if (fPreferenceStore != null) {

	StyledText styledText= getTextWidget();

	// ----------- foreground color --------------------
	Color color= fPreferenceStore.getBoolean(AbstractTextEditor.PREFERENCE_COLOR_FOREGROUND_SYSTEM_DEFAULT)
	? null
	: createColor(fPreferenceStore, AbstractTextEditor.PREFERENCE_COLOR_FOREGROUND, styledText.getDisplay());
	styledText.setForeground(color);

	if (fForegroundColor != null)
		fForegroundColor.dispose();

	fForegroundColor= color;

	// ---------- background color ----------------------
	color= fPreferenceStore.getBoolean(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT)
	? null
	: createColor(fPreferenceStore, AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND, styledText.getDisplay());
	styledText.setBackground(color);

	if (fBackgroundColor != null)
		fBackgroundColor.dispose();

	fBackgroundColor= color;

	// ----------- selection foreground color --------------------
	color= fPreferenceStore.getBoolean(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_FOREGROUND_DEFAULT_COLOR)
		? null
		: createColor(fPreferenceStore, AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_FOREGROUND_COLOR, styledText.getDisplay());
	styledText.setSelectionForeground(color);

	if (fSelectionForegroundColor != null)
		fSelectionForegroundColor.dispose();

	fSelectionForegroundColor= color;

	// ---------- selection background color ----------------------
	color= fPreferenceStore.getBoolean(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_BACKGROUND_DEFAULT_COLOR)
		? null
		: createColor(fPreferenceStore, AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_BACKGROUND_COLOR, styledText.getDisplay());
	styledText.setSelectionBackground(color);

	if (fSelectionBackgroundColor != null)
		fSelectionBackgroundColor.dispose();

	fSelectionBackgroundColor= color;
}
  }
 

/**
 * Creates a control with some message and with link to the Binaries preference page.
 *
 * @param parent
 *            the parent composite.
 * @param dialog
 *            the container dialog that has to be closed.
 * @param binary
 *            the binary with the illegal state.
 *
 * @return a control with error message and link that can be reused in dialogs.
 */
public static Control createCustomAreaWithLink(final Composite parent, final Dialog dialog, final Binary binary) {
	final String binaryLabel = binary.getLabel();
	final String prefix = "The requested operation cannot be performed due to invalid '" + binaryLabel
			+ "' settings. Check your '" + binaryLabel
			+ "' configuration and preferences under the corresponding ";
	final String link = "preference page";
	final String suffix = ".";
	final String text = prefix + link + suffix;

	final Composite control = new Composite(parent, NONE);
	control.setLayout(GridLayoutFactory.fillDefaults().create());
	final GridData gridData = GridDataFactory.fillDefaults().align(LEFT, TOP).grab(true, true).create();
	control.setLayoutData(gridData);

	final StyleRange style = new StyleRange();
	style.underline = true;
	style.underlineStyle = UNDERLINE_LINK;

	final StyledText styledText = new StyledText(control, MULTI | READ_ONLY | WRAP);
	styledText.setWordWrap(true);
	styledText.setJustify(true);
	styledText.setText(text);
	final GridData textGridData = GridDataFactory.fillDefaults().align(FILL, FILL).grab(true, true).create();
	textGridData.widthHint = TEXT_WIDTH_HINT;
	textGridData.heightHint = TEXT_HEIGHT_HINT;
	styledText.setLayoutData(textGridData);

	styledText.setEditable(false);
	styledText.setBackground(UIUtils.getSystemColor(COLOR_WIDGET_BACKGROUND));
	final int[] ranges = { text.indexOf(link), link.length() };
	final StyleRange[] styles = { style };
	styledText.setStyleRanges(ranges, styles);

	styledText.addMouseListener(new MouseAdapter() {

		@Override
		public void mouseDown(final MouseEvent event) {
			try {
				final int offset = styledText.getOffsetAtPoint(new Point(event.x, event.y));
				final StyleRange actualStyle = offset >= 0 ? styledText.getStyleRangeAtOffset(offset) : null;
				if (null != actualStyle && actualStyle.underline
						&& UNDERLINE_LINK == actualStyle.underlineStyle) {

					dialog.close();
					final PreferenceDialog preferenceDialog = createPreferenceDialogOn(
							UIUtils.getShell(),
							BinariesPreferencePage.ID,
							FILTER_IDS,
							null);

					if (null != preferenceDialog) {
						preferenceDialog.open();
					}

				}
			} catch (final IllegalArgumentException e) {
				// We are not over the actual text.
			}
		}

	});

	return control;
}
 

/**
 * Creates and returns with a new {@link StyledText styled text} instance hooked up to the given parent composite.
 *
 * @param parent
 *            the parent of the styled text control.
 * @param style
 *            style bits for the new text control.
 * @return a new styled text control initialized from the descriptor.
 */
default StyledText toStyledText(final Composite parent, final int style) {

	final StyledText text = new StyledText(parent, READ_ONLY | style);
	text.setText(getText());
	text.setStyleRanges(getRanges());
	text.setFont(getFont());
	text.setEditable(false);
	text.setEnabled(false);

	final AtomicReference<Color> colorRef = new AtomicReference<>();
	final IPreferenceStore prefStore = EditorsUI.getPreferenceStore();
	if (null == prefStore
			|| prefStore.getBoolean(PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT)) {

		colorRef.set(getDefault().getSystemColor(COLOR_LIST_BACKGROUND));

	} else {

		RGB rgb = null;
		if (prefStore.contains(PREFERENCE_COLOR_BACKGROUND)) {
			if (prefStore.isDefault(PREFERENCE_COLOR_BACKGROUND)) {
				rgb = getDefaultColor(prefStore, PREFERENCE_COLOR_BACKGROUND);
			} else {
				rgb = getColor(prefStore, PREFERENCE_COLOR_BACKGROUND);
			}
			if (rgb != null) {
				colorRef.set(new Color(text.getDisplay(), rgb));
			}
		}

	}

	if (null != colorRef.get()) {
		text.setBackground(colorRef.get());
		text.addDisposeListener(e -> {
			if (!colorRef.get().isDisposed()) {
				colorRef.get().dispose();
			}
		});
	}

	text.pack();
	return text;
}
 

private static void createStyledText(final Group group) {
	group.setLayout(new GridLayout(2, false));
	group.setText("StyledText widget");

	final Label lbl0 = new Label(group, SWT.NONE);
	lbl0.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false));
	lbl0.setText("No prompt :");

	final StyledText txt0 = new StyledText(group, SWT.BORDER);
	txt0.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));

	final Label lbl1 = new Label(group, SWT.NONE);
	lbl1.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false));
	lbl1.setText("Simple text prompt :");

	final StyledText txt1 = new StyledText(group, SWT.BORDER);
	txt1.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
	PromptSupport.setPrompt("Type anything you want", txt1);

	final Label lbl2 = new Label(group, SWT.NONE);
	lbl2.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false));
	lbl2.setText("Other style (bold) :");

	final StyledText txt2 = new StyledText(group, SWT.BORDER);
	txt2.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
	PromptSupport.setPrompt("Type anything you want in bold", txt2);
	PromptSupport.setFontStyle(SWT.BOLD, txt2);

	final Label lbl3 = new Label(group, SWT.NONE);
	lbl3.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false));
	lbl3.setText("Behaviour highlight :");

	final StyledText txt3 = new StyledText(group, SWT.BORDER);
	txt3.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
	PromptSupport.setPrompt("Type anything you want", txt3);
	PromptSupport.setFocusBehavior(FocusBehavior.HIGHLIGHT_PROMPT, txt3);

	final Label lbl4 = new Label(group, SWT.NONE);
	lbl4.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false));
	lbl4.setText("Change colors :");

	final StyledText txt4 = new StyledText(group, SWT.BORDER);
	txt4.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
	PromptSupport.setPrompt("Type anything you want", txt4);
	PromptSupport.setForeground(txt4.getDisplay().getSystemColor(SWT.COLOR_YELLOW), txt4);
	PromptSupport.setBackground(txt4.getDisplay().getSystemColor(SWT.COLOR_BLACK), txt4);

	final Label lbl5 = new Label(group, SWT.NONE);
	lbl5.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false));
	lbl5.setText("Change when widget is initialized :");

	final StyledText txt5 = new StyledText(group, SWT.BORDER);
	txt5.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
	txt5.setText("Remove what is typed...");
	txt5.setBackground(txt4.getDisplay().getSystemColor(SWT.COLOR_BLACK));
	txt5.setForeground(txt4.getDisplay().getSystemColor(SWT.COLOR_YELLOW));

	PromptSupport.setPrompt("Type anything you want", txt5);
	PromptSupport.setForeground(txt4.getDisplay().getSystemColor(SWT.COLOR_DARK_BLUE), txt5);
	PromptSupport.setBackground(txt4.getDisplay().getSystemColor(SWT.COLOR_WHITE), txt5);

}