/*
* This file is part of VLCJ.
*
* VLCJ is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* VLCJ is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with VLCJ. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2009, 2010, 2011, 2012, 2013, 2014 Caprica Software Limited.
*/
package uk.co.caprica.vlcj.test.dwm;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import uk.co.caprica.vlcj.binding.LibDwmApi;
import com.sun.jna.platform.win32.WinNT.HRESULT;
import com.sun.jna.ptr.IntByReference;
/**
* Simple test to enable/disable desktop compositing on Windows.
*/
public class DwmTest {
private final JFrame frame;
private final JPanel contentPane;
private final JButton enableButton;
private final JButton disableButton;
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new DwmTest();
}
});
}
public DwmTest() {
enableButton = new JButton("Enable");
enableButton.setMnemonic('e');
enableButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
HRESULT hResult;
hResult = LibDwmApi.INSTANCE.DwmEnableComposition(LibDwmApi.DWM_EC_ENABLECOMPOSITION);
System.out.println("DwmEnableComposition hResult=" + hResult.intValue());
dumpStatus();
}
});
disableButton = new JButton("Disable");
disableButton.setMnemonic('d');
disableButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
HRESULT hResult;
hResult = LibDwmApi.INSTANCE.DwmEnableComposition(LibDwmApi.DWM_EC_DISABLECOMPOSITION);
System.out.println("DwmEnableComposition hResult=" + hResult.intValue());
dumpStatus();
}
});
contentPane = new JPanel();
contentPane.setLayout(new FlowLayout());
contentPane.add(enableButton);
contentPane.add(disableButton);
frame = new JFrame("DWM Test");
frame.setIconImage(new ImageIcon(getClass().getResource("/icons/vlcj-logo.png")).getImage());
frame.setContentPane(contentPane);
frame.pack();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
private void dumpStatus() {
IntByReference pfEnabled = new IntByReference();
HRESULT hResult = LibDwmApi.INSTANCE.DwmIsCompositionEnabled(pfEnabled);
System.out.println("DwmIsCompositionEnabled hResult=" + hResult.intValue());
if(hResult.intValue() == LibDwmApi.S_OK) {
System.out.println("Desktop composition is " + (pfEnabled.getValue() != 0 ? "enabled" : "disabled"));
}
}
}