| /******************************************************************************* |
| * Copyright (c) 2018 Red Hat 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: |
| * Red Hat - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.tests.gtk.snippets; |
| |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.swt.widgets.TreeItem; |
| |
| public class Bug476419_TreeWideIcons { |
| public static void main(String [] args) { |
| Display display = new Display(); |
| Shell shell = new Shell(display); |
| shell.setLayout(new FillLayout()); |
| |
| int W = 22, H = 16; |
| final Image xImage = new Image (display, W, H); |
| GC gc = new GC(xImage); |
| gc.setForeground(display.getSystemColor(SWT.COLOR_RED)); |
| gc.drawLine(0, 0, W - 1, H -1); |
| gc.drawLine(0, H - 1, W - 1, 0); |
| gc.drawOval(1, 1, W - 2, H - 2); |
| gc.dispose(); |
| |
| final Tree tree = new Tree(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL); |
| TreeItem lastItem = new TreeItem(tree, SWT.NONE); |
| lastItem.setImage(xImage); |
| lastItem.setText("root item"); |
| |
| for (int i = 0; i < 3; i++) { |
| TreeItem newItem = new TreeItem(lastItem, SWT.NONE); |
| newItem.setText("descendant A" + i); |
| newItem.setImage(xImage); |
| |
| newItem = new TreeItem(lastItem, SWT.NONE); |
| newItem.setText("descendant B" + i); |
| newItem.setImage(xImage); |
| |
| lastItem.setExpanded(true); |
| lastItem = newItem; |
| } |
| |
| // widget.tree.addListener(SWT.PaintItem, new Listener() { |
| // @Override |
| // public void handleEvent(Event event) { |
| // TreeItem item = (TreeItem)event.item; |
| // Rectangle ib = item.getImageBounds(0); |
| // You can add an offset here to make the issue more visible: |
| // event.gc.drawImage(xImage, ib.x, ib.y + 10); |
| // event.gc.drawImage(xImage, ib.x, ib.y); |
| |
| // Rectangle tb = item.getTextBounds(0); |
| // You can add an offset here to make the issue more visible: |
| // event.gc.drawText(item.getText(), tb.x + 10, tb.y); |
| // event.gc.drawText(item.getText(), tb.x, tb.y); |
| // } |
| // }); |
| |
| shell.pack(); |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) display.sleep(); |
| } |
| xImage.dispose(); |
| display.dispose(); |
| } |
| |
| } |