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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.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Device;
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;
/*
* Title: Bug 306067 - [Widgets] SWT.Deactivate event is not fired to the dropdown shell when enable the Desktop effect
* How to run: launch snippet and press button
* Bug description: Shell does not receive deactivate event
* Expected results: shell should receive deactivate event
* GTK Version(s): GTK2.x
*/
public class Bug306067_DesktopEffectShellEvent {
static Display display = null;
static Shell shell = null;
static Button button = null;
static Shell dropDownShell = null;
public static void main(String[] args) {
Device.DEBUG = true;
display = new Display();
shell = new Shell(display);
shell.setLayout(new RowLayout());
// create the drop down shell
dropDownShell = new Shell(shell, SWT.ON_TOP | SWT.DROP_DOWN);
dropDownShell.setLayout(new RowLayout());
dropDownShell.setVisible(false);
dropDownShell.addListener(SWT.Deactivate, event -> {
System.out.println("dropDownShell entering Deactivate event handler and will hide the dropdown shell");
hideDropDown();
});
dropDownShell.addListener(SWT.Close, event -> hideDropDown());
// create the button
button = new Button(shell, SWT.PUSH);
button.setText("Open");
button.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (!dropDownShell.isVisible()) {
System.out.println("Open button entering widgetSelected event handler and will show the dropdown shell");
showDropDown();
}
}
});
button.addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(MouseEvent e) {
System.out.println("Open button entering mouseDown event handler");
super.mouseDown(e);
}
@Override
public void mouseUp(MouseEvent e) {
System.out.println("Open button entering mouseUp event handler");
super.mouseUp(e);
}
});
shell.setSize(300, 300);
shell.addDisposeListener(e -> {
if (dropDownShell != null && !dropDownShell.isDisposed()) {
dropDownShell.dispose();
dropDownShell = null;
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
private static void showDropDown() {
if (dropDownShell != null && !dropDownShell.isDisposed()) {
dropDownShell.setText("This is a drop down shell");
dropDownShell.setSize(100, 200);
Rectangle buttonRect = button.getBounds();
Point p = button.getParent().toDisplay(new Point(buttonRect.x, buttonRect.y + buttonRect.height));
dropDownShell.setLocation(p.x, p.y);
dropDownShell.setVisible(true);
dropDownShell.setFocus();
}
}
private static void hideDropDown() {
dropDownShell.setVisible(false);
}
}
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