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/*******************************************************************************
* 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.graphics.Point;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/**
* @author Thomas Singer
*/
/*
* Title: Bug 509514 - GTK3: Incorrect calculation of Combo location (toDisplay)
* How to run: launch snippet, edit the Combo or Text box, press space
* Bug description: A popup appears under the Text widget but not the Combo
* Expected results: A popup should appear under the widget being edited
* GTK Version(s): 3
*/
public class Bug509514_IncorrectToDisplayLocation {
public static void main(String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display);
final RowLayout layout = new RowLayout(SWT.VERTICAL);
layout.fill = true;
shell.setLayout(layout);
final Combo combo = new Combo(shell, SWT.BORDER);
installPopup(combo);
final Text text = new Text(shell, SWT.BORDER);
installPopup(text);
shell.setSize(400, 300);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
private static void installPopup(Control control) {
final Listener listener = new Listener() {
private Shell shell;
@Override
public void handleEvent(Event event) {
if (event.type == SWT.KeyDown) {
if (event.character == ' ') {
shell = new Shell(control.getShell(), SWT.POP_UP | SWT.ON_TOP | SWT.BORDER);
final Point location = control.toDisplay(0, control.getSize().y);
shell.setBounds(location.x, location.y, 100, 100);
shell.setVisible(true);
}
} else if (event.type == SWT.FocusOut) {
if (shell != null) {
shell.dispose();
shell = null;
}
}
}
};
control.addListener(SWT.KeyDown, listener);
control.addListener(SWT.FocusOut, listener);
}
}
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