| /******************************************************************************* |
| * Copyright (c) 2020 Conrad Groth and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Conrad Groth - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.snippets; |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.custom.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| |
| /** |
| * Example snippet: Styled Text Widget with 50000 lines of text and line wrap. |
| * |
| * For a list of all SWT example snippets see |
| * http://www.eclipse.org/swt/snippets/ |
| * |
| * @since 3.114 |
| */ |
| public class Snippet376 { |
| |
| private static final int LINES = 500000; |
| private static final int WORDS_PER_LINE = 10; |
| private static final String WORD = "123456789 "; |
| |
| public static void main(String[] args) { |
| Display display = new Display(); |
| Shell shell = new Shell(display); |
| shell.setBounds(10, 10, 300, 300); |
| shell.setLayout(new FillLayout()); |
| final StyledText text = new StyledText(shell, SWT.MULTI | SWT.V_SCROLL | SWT.WRAP); |
| |
| StringBuilder buffer = new StringBuilder(LINES * WORDS_PER_LINE * WORD.length() * 2); |
| for (int i = 0; i < LINES ; i++) { |
| buffer.append("Line " + i + ": "); |
| for (int j = 0; j < WORDS_PER_LINE; j++) { |
| buffer.append(WORD); |
| } |
| buffer.append("\n"); |
| } |
| |
| shell.open(); |
| text.setText(buffer.toString()); |
| |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| display.dispose(); |
| } |
| } |