| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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; |
| /* |
| * Table example snippet: draw different foreground colors for text in a TableItem. |
| * |
| * 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.graphics.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Snippet236 { |
| |
| public static void main(String [] args) { |
| Display display = new Display(); |
| Shell shell = new Shell(display); |
| shell.setText("Table: Change style multiple times in cell"); |
| shell.setLayout(new FillLayout()); |
| Table table = new Table(shell, SWT.MULTI | SWT.FULL_SELECTION); |
| table.setLinesVisible(true); |
| for(int i = 0; i < 10; i++) { |
| new TableItem(table, SWT.NONE); |
| } |
| final TextLayout textLayout = new TextLayout(display); |
| textLayout.setText("SWT: Standard Widget Toolkit"); |
| Font font1 = new Font(display, "Tahoma", 14, SWT.BOLD); |
| Font font2 = new Font(display, "Tahoma", 10, SWT.NORMAL); |
| Font font3 = new Font(display, "Tahoma", 14, SWT.ITALIC); |
| TextStyle style1 = new TextStyle(font1, display.getSystemColor(SWT.COLOR_BLUE), null); |
| TextStyle style2 = new TextStyle(font2, display.getSystemColor(SWT.COLOR_MAGENTA), null); |
| TextStyle style3 = new TextStyle(font3, display.getSystemColor(SWT.COLOR_RED), null); |
| textLayout.setStyle(style1, 0, 0); textLayout.setStyle(style1, 5, 12); |
| textLayout.setStyle(style2, 1, 1); textLayout.setStyle(style2, 14, 19); |
| textLayout.setStyle(style3, 2, 2); textLayout.setStyle(style3, 21, 27); |
| |
| /* |
| * NOTE: MeasureItem, PaintItem and EraseItem are called repeatedly. |
| * Therefore, it is critical for performance that these methods be |
| * as efficient as possible. |
| */ |
| table.addListener(SWT.PaintItem, new Listener() { |
| public void handleEvent(Event event) { |
| textLayout.draw(event.gc, event.x, event.y); |
| } |
| }); |
| final Rectangle textLayoutBounds = textLayout.getBounds(); |
| table.addListener(SWT.MeasureItem, new Listener() { |
| public void handleEvent(Event e) { |
| e.width = textLayoutBounds.width + 2; |
| e.height = textLayoutBounds.height + 2; |
| } |
| }); |
| shell.setSize(400, 200); |
| shell.open(); |
| while(!shell.isDisposed()) { |
| if(!display.readAndDispatch()) display.sleep(); |
| } |
| font1.dispose(); |
| font2.dispose(); |
| font3.dispose(); |
| textLayout.dispose(); |
| display.dispose(); |
| } |
| } |