/******************************************************************************* * 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 more info on custom-drawing TableItem and TreeItem content see * http://www.eclipse.org/articles/article.php?file=Article-CustomDrawingTableAndTreeItems/index.html * * 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(); } }