| /******************************************************************************* |
| * Copyright (c) 2018 Red Hat and others. All rights reserved. |
| * The contents of this file are made available under the terms |
| * of the GNU Lesser General Public License (LGPL) Version 2.1 that |
| * accompanies this distribution (lgpl-v21.txt). The LGPL is also |
| * available at http://www.gnu.org/licenses/lgpl.html. If the version |
| * of the LGPL at http://www.gnu.org is different to the version of |
| * the LGPL accompanying this distribution and there is any conflict |
| * between the two license versions, the terms of the LGPL accompanying |
| * this distribution shall govern. |
| * |
| * Contributors: |
| * Red Hat - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.tests.gtk.snippets; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /* |
| * Title: Bug 465280 - [GTK3] OS.gtk_widget_get_allocation returns (0,0) for invisible controls |
| * How to run: launch snippet and observe coordinates printed in console |
| * Bug description: The coordinates are (0,0) |
| * Expected results: The coordinates should not be (0,0) if the widget is hidden. |
| * GTK Version(s): GTK3.8+ |
| */ |
| public class Bug465280_InvisibleControlAllocation { |
| public static void main(String[] args) { |
| String property = System.getenv("SWT_GTK3"); |
| if (property != null) { |
| System.err.println("GTK"+(property.equals("1")?"3":"2")); |
| } |
| Display display = new Display (); |
| Shell shell = new Shell(display); |
| shell.setLayout(new FillLayout()); |
| Label descriptionHint = new Label(shell, SWT.WRAP); |
| descriptionHint.setText("This is a very very very very very very long string"); |
| descriptionHint.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); |
| descriptionHint.setVisible(false); |
| shell.open(); |
| System.err.println(descriptionHint.getSize()); |
| while (!shell.isDisposed ()) { |
| if (!display.readAndDispatch ()) display.sleep (); |
| } |
| display.dispose (); |
| } |
| |
| } |