| /******************************************************************************* |
| * Copyright (c) 2018 Red Hat and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Red Hat - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.tests.gtk.snippets; |
| |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.layout.RowLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| |
| public class Bug210915_InvisibleShellLocation { |
| |
| public static void main(String[] args) { |
| Display display = new Display(); |
| final Shell shell = new Shell(display); |
| shell.setText("Main"); |
| shell.setLayout(new RowLayout()); |
| |
| final Button button = new Button(shell, SWT.PUSH); |
| button.setText("Show"); |
| button.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| showHover(shell, button); |
| } |
| }); |
| shell.setBounds(100, 100, 300, 200); |
| |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| display.dispose(); |
| } |
| |
| static void showHover(final Shell shell, final Button button) { |
| final Display display = shell.getDisplay(); |
| Rectangle bb = button.getBounds(); |
| final Point pos = button.toDisplay(bb.x, bb.y + bb.height + 5); |
| |
| final Shell hover = new Shell(shell, SWT.ON_TOP | SWT.NO_TRIM); |
| hover.setBackground(display.getSystemColor(SWT.COLOR_YELLOW)); |
| hover.setBounds(-30000, 0, 100, 50); |
| hover.setVisible(true); |
| |
| display.asyncExec(() -> { |
| System.out.println("before setLocation:" + hover.getLocation()); |
| hover.setLocation(pos); |
| System.out.println("after setLocation:" + hover.getLocation()); |
| }); |
| |
| display.timerExec(2000, () -> { |
| Point loc = hover.getLocation(); |
| System.out.println("before setVisible(false): " + loc); |
| hover.setVisible(false); |
| Point loc2 = hover.getLocation(); |
| System.out.println("after setVisible(false): " + loc2); |
| }); |
| |
| display.timerExec(4000, () -> { |
| Point loc = hover.getLocation(); |
| System.out.println("before setVisible(true): " + loc); |
| hover.setVisible(true); |
| Point loc2 = hover.getLocation(); |
| System.out.println("after setVisible(true): " + loc2); |
| }); |
| } |
| } |