diff options
Diffstat (limited to 'examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet220.java')
-rw-r--r-- | examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet220.java | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet220.java b/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet220.java deleted file mode 100644 index b8825164cc..0000000000 --- a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet220.java +++ /dev/null @@ -1,88 +0,0 @@ -/******************************************************************************* - * 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; -/* - * Tree example snippet: Images on the right side of the TreeItem - * - * For a detailed explanation of this snippet see - * http://www.eclipse.org/articles/Article-CustomDrawingTableAndTreeItems/customDraw.htm#_example5 - * - * 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.widgets.*; - -public class Snippet220 { - -public static void main(String [] args) { - Display display = new Display(); - Shell shell = new Shell(display); - shell.setBounds(10, 10, 350, 200); - Image xImage = new Image (display, 16, 16); - GC gc = new GC(xImage); - gc.setForeground(display.getSystemColor(SWT.COLOR_RED)); - gc.drawLine(1, 1, 14, 14); - gc.drawLine(1, 14, 14, 1); - gc.drawOval(2, 2, 11, 11); - gc.dispose(); - final int IMAGE_MARGIN = 2; - final Tree tree = new Tree(shell, SWT.CHECK); - tree.setBounds(10, 10, 300, 150); - TreeItem item = new TreeItem(tree, SWT.NONE); - item.setText("root item"); - for (int i = 0; i < 4; i++) { - TreeItem newItem = new TreeItem(item, SWT.NONE); - newItem.setText("descendent " + i); - if (i % 2 == 0) newItem.setData(xImage); - item.setExpanded(true); - item = newItem; - } - - /* - * NOTE: MeasureItem and PaintItem are called repeatedly. Therefore it is - * critical for performance that these methods be as efficient as possible. - */ - tree.addListener(SWT.MeasureItem, new Listener() { - public void handleEvent(Event event) { - TreeItem item = (TreeItem)event.item; - Image trailingImage = (Image)item.getData(); - if (trailingImage != null) { - event.width += trailingImage.getBounds().width + IMAGE_MARGIN; - } - } - }); - tree.addListener(SWT.PaintItem, new Listener() { - public void handleEvent(Event event) { - TreeItem item = (TreeItem)event.item; - Image trailingImage = (Image)item.getData(); - if (trailingImage != null) { - int x = event.x + event.width + IMAGE_MARGIN; - int itemHeight = tree.getItemHeight(); - int imageHeight = trailingImage.getBounds().height; - int y = event.y + (itemHeight - imageHeight) / 2; - event.gc.drawImage(trailingImage, x, y); - } - } - }); - - shell.open(); - while (!shell.isDisposed()) { - if (!display.readAndDispatch()) display.sleep(); - } - xImage.dispose(); - display.dispose(); -} -} |