1 /******************************************************************************* 2 * Copyright (c) 2018 Red Hat and others. 3 * 4 * This program and the accompanying materials 5 * are made available under the terms of the Eclipse Public License 2.0 6 * which accompanies this distribution, and is available at 7 * https://www.eclipse.org/legal/epl-2.0/ 8 * 9 * SPDX-License-Identifier: EPL-2.0 10 * 11 * Contributors: 12 * Red Hat - initial API and implementation 13 *******************************************************************************/ 14 package org.eclipse.swt.tests.gtk.snippets; 15 16 17 import org.eclipse.swt.SWT; 18 import org.eclipse.swt.events.KeyAdapter; 19 import org.eclipse.swt.events.KeyEvent; 20 import org.eclipse.swt.events.MouseAdapter; 21 import org.eclipse.swt.events.MouseEvent; 22 import org.eclipse.swt.layout.FillLayout; 23 import org.eclipse.swt.widgets.Display; 24 import org.eclipse.swt.widgets.Shell; 25 import org.eclipse.swt.widgets.TabFolder; 26 import org.eclipse.swt.widgets.TabItem; 27 import org.eclipse.swt.widgets.Table; 28 import org.eclipse.swt.widgets.TableItem; 29 import org.eclipse.swt.widgets.Text; 30 31 // clicking on a row item and typing appends characters. 32 // Gtk2: Works as expected. 33 // Gtk3: Spam of errors, black second window. 34 //(SWT:7324): Gdk-WARNING **: gdk_window_new(): parent is destroyed 35 //(SWT:7324): Gdk-CRITICAL **: gdk_window_set_user_data: assertion 'GDK_IS_WINDOW (window)' failed 36 //(SWT:7324): Gdk-CRITICAL **: gdk_window_get_scale_factor: assertion 'GDK_IS_WINDOW (window)' failed 37 //(SWT:7324): GLib-GObject-CRITICAL **: g_object_ref: assertion 'G_IS_OBJECT (object)' failed 38 39 public class Bug510803_TabFolder_editable_table_brokenGtk3 { main(String[] args)40 public static void main(String[] args) { 41 Shell shell = shellSetup(); 42 43 final TabFolder tabFolder = new TabFolder(shell, SWT.NONE); 44 TabItem tabItem = new TabItem(tabFolder, SWT.NONE); 45 tabItem.setText("Hello tab"); 46 47 Table table = new Table(tabFolder, SWT.NONE); 48 TableItem tableItem = new TableItem(table, SWT.None); 49 tableItem.setText("Item 1"); 50 TableItem tableItem2 = new TableItem(table, SWT.None); 51 tableItem2.setText("Item 2"); 52 53 // Notes: 54 // - Seems to occur with any control, not just Text. (Tested with Button also) 55 final Text cellEditorText = new Text(table, SWT.SINGLE); // Note, 56 cellEditorText.setText("Hello world"); 57 58 // Listeners that make typing into Table edit controls. Useful to test 59 // functionality, but errors occur without the listeners also. 60 table.addMouseListener(new MouseAdapter() { 61 @Override 62 public void mouseUp(MouseEvent e) { 63 cellEditorText.setFocus(); 64 } 65 }); 66 67 cellEditorText.addKeyListener(new KeyAdapter() { 68 @Override 69 public void keyPressed(KeyEvent e) { 70 TableItem selectedItem = table.getSelection()[0]; 71 selectedItem.setText(selectedItem.getText() + e.character); 72 } 73 }); 74 75 // Location of setControl() method call has an impact. 76 // If it's before 'Text' creation, no errors are thrown into the 77 // console. 78 tabItem.setControl(table); 79 80 mainEventLoop(shell); 81 } 82 shellSetup()83 private static Shell shellSetup() { 84 final Display display = new Display(); 85 Shell shell = new Shell(display); 86 shell.setLayout(new FillLayout()); 87 return shell; 88 } 89 mainEventLoop(Shell shell)90 private static void mainEventLoop(Shell shell) { 91 Display display = shell.getDisplay(); 92 shell.open(); 93 shell.setSize(200, 300); 94 while (!shell.isDisposed()) { 95 if (!display.readAndDispatch()) 96 display.sleep(); 97 } 98 display.dispose(); 99 } 100 } 101