| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.snippets; |
| |
| /* |
| * SWT StyledText snippet: use gradient background. |
| * |
| * For a list of all SWT example snippets see |
| * http://www.eclipse.org/swt/snippets/ |
| * |
| * @since 3.2 |
| */ |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.swt.custom.*; |
| import org.eclipse.swt.graphics.*; |
| |
| public class Snippet218 { |
| |
| static String text = "Plans do not materialize out of nowhere, nor are they entirely static. To ensure the planning process is " + |
| "transparent and open to the entire Eclipse community, we (the Eclipse PMC) post plans in an embryonic "+ |
| "form and revise them throughout the release cycle. \n"+ |
| "The first part of the plan deals with the important matters of release deliverables, release milestones, target "+ |
| "operating environments, and release-to-release compatibility. These are all things that need to be clear for "+ |
| "any release, even if no features were to change. \n"; |
| static Image oldImage; |
| |
| public static void main(String [] args) { |
| final Display display = new Display(); |
| final Shell shell = new Shell(display); |
| shell.setLayout(new FillLayout()); |
| final StyledText styledText = new StyledText(shell, SWT.WRAP | SWT.BORDER); |
| styledText.setText(text); |
| FontData data = display.getSystemFont().getFontData()[0]; |
| Font font = new Font(display, data.getName(), 16, SWT.BOLD); |
| styledText.setFont(font); |
| styledText.setForeground(display.getSystemColor (SWT.COLOR_BLUE)); |
| styledText.addListener (SWT.Resize, new Listener () { |
| public void handleEvent (Event event) { |
| Rectangle rect = styledText.getClientArea (); |
| Image newImage = new Image (display, 1, Math.max (1, rect.height)); |
| GC gc = new GC (newImage); |
| gc.setForeground (display.getSystemColor (SWT.COLOR_WHITE)); |
| gc.setBackground (display.getSystemColor (SWT.COLOR_YELLOW)); |
| gc.fillGradientRectangle (rect.x, rect.y, 1, rect.height, true); |
| gc.dispose (); |
| styledText.setBackgroundImage (newImage); |
| if (oldImage != null) oldImage.dispose (); |
| oldImage = newImage; |
| } |
| }); |
| shell.setSize(700, 400); |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| if (oldImage != null) oldImage.dispose (); |
| font.dispose(); |
| display.dispose(); |
| } |
| } |