org.eclipse.swt.widgets.Shell#setBackground ( )源码实例Demo

/**
 * Creates a new tooltip handler
 *
 * @param parent the parent Shell
 */
public ToolTipHandler(Shell parent) {
    final Display display = parent.getDisplay();
    this.parentShell = parent;

    tipShell = new Shell(parent, SWT.ON_TOP | SWT.TOOL);
    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 2;
    gridLayout.marginWidth = 2;
    gridLayout.marginHeight = 2;
    tipShell.setLayout(gridLayout);

    tipShell.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));

    tipLabelImage = new Label(tipShell, SWT.NONE);
    tipLabelImage.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
    tipLabelImage.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
    tipLabelImage.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_CENTER));

    tipLabelText = new Label(tipShell, SWT.NONE);
    tipLabelText.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
    tipLabelText.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
    tipLabelText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_CENTER));
}
 

public static void main(final String[] args) {
	final Display display = new Display();
	final Shell shell = new Shell(display);
	shell.setLayout(new GridLayout(3, true));
	final Color white = display.getSystemColor(SWT.COLOR_WHITE);
	shell.setBackground(white);

	new PercentagePanel(shell);
	new AbsolutePanel(shell);
	new TimePanel(shell);

	shell.pack();
	shell.open();

	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) {
			display.sleep();
		}
	}
	display.dispose();
}
 

/**
 *
 */
public AbstractContainmentExample(String title) {
	Display display = new Display();
	shell = new Shell(display, SWT.SHELL_TRIM | SWT.DOUBLE_BUFFERED);
	shell.setText(title);
	shell.setBounds(0, 0, 640, 480);
	shell.setBackground(
			Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));

	// open the shell before creating the controllable shapes so that their
	// default coordinates are not changed due to the resize of their canvas
	shell.open();

	controllableShape1 = createControllableShape1(shell);
	controllableShape2 = createControllableShape2(shell);

	shell.addPaintListener(this);
	shell.redraw(); // triggers a PaintEvent platform independently

	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) {
			display.sleep();
		}
	}
}
 

/**
   * Creates an inplace tooltip.
   *
   * @param parent parent control.
   */
  public GridToolTip(final Control parent)
  {
      super(parent, SWT.NONE);

      shell = new Shell(parent.getShell(), SWT.NO_TRIM | SWT.ON_TOP | SWT.NO_FOCUS | SWT.TOOL);
      shell.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
      shell.setForeground(shell.getDisplay().getSystemColor(SWT.COLOR_INFO_FOREGROUND));

      parent.addListener(SWT.Dispose, new Listener()
      {
	public void handleEvent(Event arg0)
	{
		shell.dispose();
		dispose();
	}
});

      shell.addListener(SWT.Paint, new Listener()
      {
          public void handleEvent(Event e)
          {
              onPaint(e.gc);
          }
      });
  }
 

/**
 * Overridden to make the shell background white.
 *
 * @param shell
 */
@Override
protected void configureShell( Shell shell ) {
  super.configureShell( shell );
  shell.setBackground( shell.getDisplay().getSystemColor( SWT.COLOR_WHITE ) );
  shell.setBackgroundMode( SWT.INHERIT_FORCE );
}
 

/**
 * Create a new tooltip for the given parent control
 *
 * @param parent the parent control.
 */
public DiagramToolTip(Control parent) {
    fParent = parent;
    fToolTipShell = new Shell(fParent.getShell(), SWT.MULTI);
    fToolTipShell.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
    fTextBox = new Text(fToolTipShell, SWT.WRAP | SWT.MULTI);
    fTextBox.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
}
 

public SnippetGalleryViewerTester() {
	// Initialize the containing Shell
	Display display = new Display();
	shell = new Shell(display);
	shell.setSize(WIDTH, HEIGHT);
	shell.setBackground(display.getSystemColor(SWT.COLOR_RED));
	GridLayoutFactory.fillDefaults().applyTo(shell);

	GalleryTreeViewer viewer = new GalleryTreeViewer(shell);
	GridDataFactory.fillDefaults().grab(true, true).applyTo(viewer.getGallery());
	viewer.setContentProvider(new GalleryTestContentProvider());
	viewer.setLabelProvider(new GalleryTestLabelProvider());
	viewer.setComparator(new ViewerComparator());
	// viewer.addFilter(new OddNumbersFilter());
	viewer.setInput(new Object());

	// Show the Shell
	shell.open();
	shell.layout();

	// Run the event loop
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
	}
	display.dispose();
}
 

/**
 * Create contents of the window.
 */
protected void createContents() {
	shell = new Shell(SWT.NO_TRIM | SWT.ON_TOP);
	shell.setSize(width, height);
	shell.setBackground(display.getSystemColor(SWT.COLOR_DARK_MAGENTA));
	shell.setLayoutData(new GridData(GridData.FILL_BOTH));
	shell.setLayout(new GridLayout(1, true));
	
	//shell.setText("SWT Application");
	picture = new Label(shell,SWT.NULL);
	picture.setLayoutData(new GridData(GridData.FILL_BOTH));
	setImage();

}
 

public DisplayOverlay(final LayeredDisplayView view, final Composite c,
		final IOverlayProvider<OverlayInfo> provider) {
	this.createExtraInfo = provider != null;
	this.view = view;
	final IPartService ps = ((IWorkbenchPart) view).getSite().getService(IPartService.class);
	ps.addPartListener(pl2);
	referenceComposite = c;
	// parentShell = c.getShell();
	popup = new Shell(c.getShell(), SWT.NO_TRIM | SWT.NO_FOCUS);
	popup.setAlpha(140);
	final FillLayout layout = new FillLayout();
	layout.type = SWT.VERTICAL;
	layout.spacing = 10;
	popup.setLayout(layout);
	popup.setBackground(IGamaColors.BLACK.color());
	createPopupControl();
	popup.setAlpha(140);
	popup.layout();
	c.getShell().addShellListener(listener);
	// parentShell.addControlListener(listener);
	c.addControlListener(listener);
	if (provider != null) {
		provider.setTarget(new ThreadedOverlayUpdater(this), view.getDisplaySurface());
	}
	// if (GamaPreferences.Displays.CORE_SHOW_FPS.getValue()) {
	timer.schedule(new FPSTask(), 0, 1000);
	// }
}
 

void showTip(String txt, ItemPkg tp, Table table)  {
	tip = new Shell((Shell) null, SWT.ON_TOP | SWT.TOOL);
	tip.setLayout(new FillLayout());
	tip.setBackground(table.getBackground());
	createCommandTip(tip, (Command) getSelectables().get(txt));
	Point size = tip.computeSize(SWT.DEFAULT, SWT.DEFAULT);
	Rectangle rect = tp.getBounds();
	Point pt = table.toDisplay(rect.x + getSizeAdjustment(), rect.y
			- size.y);
	tip.setBounds(pt.x, pt.y, size.x, size.y);
	tip.setVisible(true);
}
 

/**
 * @param args
 */
public static void main(final String[] args) {
	final Display display = new Display();
	shell = new Shell(display);
	shell.setText("Carousel Snippet");
	shell.setLayout(new FillLayout());
	shell.setBackground(display.getSystemColor(SWT.COLOR_WHITE));

	final Carousel carousel = new Carousel(shell, SWT.NONE);
	carousel.addImage(loadImage("images/first.png"));
	carousel.addImage(loadImage("images/second.jpg"));
	carousel.addImage(loadImage("images/third.png"));

	final Listener listener = event -> {
		System.out.println("Click on " + carousel.getSelection());
	};
	carousel.addListener(SWT.Selection, listener);

	shell.pack();
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) {
			display.sleep();
		}
	}

	display.dispose();

}
 

/**
 * @param args
 */
public static void main(final String[] args) {
	final Display display = new Display();
	shell = new Shell(display);
	shell.setText("BadgedLabel Snippet");
	shell.setLayout(new GridLayout(5, false));
	shell.setBackground(display.getSystemColor(SWT.COLOR_WHITE));

	icon = new Image(display, BadgedLabelSnippet.class.getClassLoader()
			.getResourceAsStream("org/eclipse/nebula/widgets/badgedlabel/user.png"));

	createButtons("Blue :", SWT.COLOR_BLUE, SWT.TOP | SWT.LEFT);
	createButtons("Grey:", SWT.COLOR_GRAY, SWT.TOP | SWT.RIGHT);
	createButtons("Green:", SWT.COLOR_GREEN, SWT.BOTTOM | SWT.LEFT);
	createButtons("Red:", SWT.COLOR_RED, SWT.BOTTOM | SWT.RIGHT);
	createButtons("Yellow:", SWT.COLOR_YELLOW, SWT.TOP | SWT.RIGHT);
	createButtons("Cyan:", SWT.COLOR_CYAN, SWT.TOP | SWT.LEFT);
	createButtons("Black:", SWT.COLOR_BLACK, SWT.BOTTOM | SWT.RIGHT);

	shell.pack();
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) {
			display.sleep();
		}
	}

	icon.dispose();
	display.dispose();

}
 

protected void createPopupControl() {
	// overall panel
	final Shell top = getPopup();
	final GridLayout layout = new GridLayout(3, true);
	layout.horizontalSpacing = 0;
	layout.verticalSpacing = 0;
	layout.marginWidth = 5;
	layout.marginHeight = 5;
	top.setLayout(layout);
	top.setBackground(IGamaColors.BLACK.color());
	if (createExtraInfo) {
		// left overlay info
		left = label(top, SWT.LEFT);
		// center overlay info
		center = label(top, SWT.CENTER);
		// right overlay info
		right = label(top, SWT.RIGHT);
	}
	// coordinates overlay info
	coord = label(top, SWT.LEFT);
	// zoom overlay info
	zoom = label(top, SWT.CENTER);
	// scalebar overlay info
	scalebar = new Canvas(top, SWT.None);
	scalebar.setVisible(true);
	final GridData scaleData = new GridData(SWT.RIGHT, SWT.CENTER, true, false);
	scaleData.minimumWidth = 140;
	scaleData.widthHint = 140;
	scaleData.minimumHeight = 24;
	scaleData.heightHint = 24;
	scalebar.setLayoutData(scaleData);
	scalebar.setBackground(IGamaColors.BLACK.color());
	scalebar.addPaintListener(e -> paintScale(e.gc));
	top.addMouseListener(toggleListener);
	scalebar.addMouseListener(toggleListener);
	top.layout();
}
 

private static void createShell() {
	DEBUG.OUT("Shell created");
	shell = new Shell(WorkbenchHelper.getShell(), SWT.APPLICATION_MODAL);
	shell.setSize(5, 5);
	shell.setAlpha(0);
	shell.setBackground(IGamaColors.BLACK.color());
}
 

public TexInformationControl(TexEditor editor, Shell container) {
    this.editor = editor;
    document = editor.getTexDocument();
    refMana = editor.getDocumentModel().getRefMana();
    shell = new Shell(container, SWT.NO_FOCUS | SWT.ON_TOP | SWT.MODELESS);
    GridLayout layout = new GridLayout(2, false);
    layout.marginHeight = 3;
    layout.marginWidth = 3;
    shell.setLayout(layout);
    display = shell.getDisplay();
    shell.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
}
 

/**
 * Overridden to make the shell background white.
 *
 * @param shell
 */
@Override
protected void configureShell( Shell shell ) {
  super.configureShell( shell );
  shell.setBackground( shell.getDisplay().getSystemColor( SWT.COLOR_WHITE ) );
  shell.setBackgroundMode( SWT.INHERIT_FORCE );
}
 

/**
 *
 */
public AbstractIntersectionExample(String title, String... infos) {
	Display display = new Display();

	shell = new Shell(display, SWT.SHELL_TRIM | SWT.DOUBLE_BUFFERED);
	shell.setText(title);
	shell.setBounds(0, 0, 640, 480);
	shell.setLayout(new FormLayout());
	shell.setBackground(
			Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));

	Label infoLabel = new Label(shell, SWT.NONE);
	FormData infoLabelFormData = new FormData();
	infoLabelFormData.right = new FormAttachment(100, -10);
	infoLabelFormData.bottom = new FormAttachment(100, -10);
	infoLabel.setLayoutData(infoLabelFormData);

	String infoText = "You can...";
	for (int i = 0; i < infos.length; i++) {
		infoText += "\n..." + infos[i];
	}
	infoLabel.setText(infoText);

	// open the shell before creating the controllable shapes so that their
	// default coordinates are not changed due to the resize of their canvas
	shell.open();

	controllableShape1 = createControllableShape1(shell);
	controllableShape2 = createControllableShape2(shell);

	shell.addPaintListener(this);
	shell.redraw(); // triggers a PaintEvent platform independently

	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) {
			display.sleep();
		}
	}
}
 

public static void main(String[] args) {

		// get display.
		Display display = new Display();

		// create a new visible shell.
		final Shell shell = new Shell(display);
		shell.setText("Test");
		shell.setSize(600, 400);
		GridLayoutFactory.swtDefaults().numColumns(2).applyTo(shell);

		Button button = new Button(shell, SWT.PUSH);
		button.setText("Click me");
		GridDataFactory.fillDefaults().grab(false, false).applyTo(button);

		final Label label = new Label(shell, SWT.NONE);
		label.setText("Combo will appear here");
		GridDataFactory.fillDefaults().grab(true, false).applyTo(label);

		// create a new "background" shell
		Shell limbo = new Shell(display, SWT.NONE);
		limbo.setLocation(0, 10000);
		limbo.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
		limbo.setBackgroundMode(SWT.INHERIT_FORCE);
		GridLayoutFactory.swtDefaults().numColumns(2).applyTo(limbo);

		final TableComboViewer comboViewer = new TableComboViewer(limbo);
		GridDataFactory.fillDefaults().grab(true, false).applyTo(comboViewer.getControl());
		comboViewer.getTableCombo().defineColumns(1);
		comboViewer.setContentProvider(ArrayContentProvider.getInstance());
		comboViewer.setLabelProvider(new LabelProvider() {
			@Override
			public String getText(Object element) {
				return (String) element;
			}
		});
		comboViewer.setInput(Arrays.asList("One", "Two", "Three"));

		// move combo
		button.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				label.dispose();
				comboViewer.getTableCombo().setParent(shell);
				shell.layout(true);
			}
		});

		// open the shell.
		shell.open();

		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}

		// dispose display
		display.dispose();
	}
 

public static void main(final String[] args) {
	final Display display = new Display();
	final Shell shell = new Shell(display);
	shell.setLayout(new GridLayout(1, false));
	final Color white = display.getSystemColor(SWT.COLOR_WHITE);
	shell.setBackground(white);
	shell.setText("Password Revealer Snippet");

	final Image image = new Image(display, PasswordRevealerSnippet.class.getResourceAsStream("eye.png"));
	final Image clickImage = new Image(display, PasswordRevealerSnippet.class.getResourceAsStream("eye-slash.png"));
	shell.addListener(SWT.Dispose, e -> {
		image.dispose();
		clickImage.dispose();
	});

	final Label lbl1 = new Label(shell, SWT.NONE);
	lbl1.setText("Password Revealer:");
	final GridData gdLabel1 = new GridData(GridData.BEGINNING, GridData.CENTER, true, false);
	gdLabel1.widthHint = 150;
	lbl1.setBackground(white);
	lbl1.setLayoutData(gdLabel1);

	final PasswordRevealer revealer = new PasswordRevealer(shell, SWT.NONE);
	final GridData gd = new GridData(GridData.FILL, GridData.CENTER, true, false);
	gd.widthHint = 250;
	revealer.setLayoutData(gd);
	revealer.setBackground(white);

	new Label(shell, SWT.NONE);

	final Label lbl2 = new Label(shell, SWT.NONE);
	lbl2.setText("Password Revealer with other icon:");
	final GridData gdLabel2 = new GridData(GridData.FILL, GridData.CENTER, true, false);
	gdLabel2.widthHint = 150;
	lbl2.setBackground(white);
	lbl2.setLayoutData(gdLabel2);

	final PasswordRevealer revealer2 = new PasswordRevealer(shell, SWT.NONE);
	final GridData gd2 = new GridData(GridData.FILL, GridData.CENTER, true, false);
	gd2.widthHint = 250;
	revealer2.setLayoutData(gd2);
	revealer2.setBackground(white);
	revealer2.setImage(image);
	revealer2.setClickImage(clickImage);

	shell.pack();
	shell.open();

	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) {
			display.sleep();
		}
	}
	display.dispose();
}
 

/**
	 * Creates a new control.
	 *
	 * @param parent parent shell
	 * @param shellStyle additional style flags
	 * @param access the annotation access
	 */
	public AnnotationExpansionControl(Shell parent, int shellStyle, IAnnotationAccess access) {
		fPaintListener= new MyPaintListener();
		fMouseTrackListener= new MyMouseTrackListener();
		fMouseListener= new MyMouseListener();
		fMenuDetectListener= new MyMenuDetectListener();
		fDisposeListener= new MyDisposeListener();
		fViewportListener= new IViewportListener() {

			public void viewportChanged(int verticalOffset) {
				dispose();
			}

		};
		fLayouter= new LinearLayouter();

		if (access instanceof IAnnotationAccessExtension)
			fAnnotationAccessExtension= (IAnnotationAccessExtension) access;

		fShell= new Shell(parent, shellStyle | SWT.NO_FOCUS | SWT.ON_TOP);
		Display display= fShell.getDisplay();
		fShell.setBackground(display.getSystemColor(SWT.COLOR_BLACK));
		fComposite= new Composite(fShell, SWT.NO_FOCUS | SWT.NO_REDRAW_RESIZE | SWT.NO_TRIM);
//		fComposite= new Composite(fShell, SWT.NO_FOCUS | SWT.NO_REDRAW_RESIZE | SWT.NO_TRIM | SWT.V_SCROLL);

		GridLayout layout= new GridLayout(1, true);
		layout.marginHeight= 0;
		layout.marginWidth= 0;
		fShell.setLayout(layout);

		GridData data= new GridData(GridData.FILL_BOTH);
		data.heightHint= fLayouter.getAnnotationSize() + 2 * fLayouter.getBorderWidth() + 4;
		fComposite.setLayoutData(data);
		fComposite.addMouseTrackListener(new MouseTrackAdapter() {

			@Override
			public void mouseExit(MouseEvent e) {
				if (fComposite == null)
						return;
				Control[] children= fComposite.getChildren();
				Rectangle bounds= null;
				for (int i= 0; i < children.length; i++) {
					if (bounds == null)
						bounds= children[i].getBounds();
					else
						bounds.add(children[i].getBounds());
					if (bounds.contains(e.x, e.y))
						return;
				}

				// if none of the children contains the event, we leave the popup
				dispose();
			}

		});

//		fComposite.getVerticalBar().addListener(SWT.Selection, new Listener() {
//
//			public void handleEvent(Event event) {
//				Rectangle bounds= fShell.getBounds();
//				int x= bounds.x - fLayouter.getAnnotationSize() - fLayouter.getBorderWidth();
//				int y= bounds.y;
//				fShell.setBounds(x, y, bounds.width, bounds.height);
//			}
//
//		});

		Cursor handCursor= getHandCursor(display);
		fShell.setCursor(handCursor);
		fComposite.setCursor(handCursor);

		setInfoSystemColor();
	}