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import java.awt.event.KeyEvent;
import java.io.File;
import javax.swing.JOptionPane;
import jxgrabkey.HotkeyConflictException;
import jxgrabkey.HotkeyListener;
import jxgrabkey.JXGrabKey;
public class JXGrabKeyTest {
private static final int MY_HOTKEY_INDEX = 1;
private static boolean hotkeyEventReceived = false;
public static void main(String[] args) throws Exception {
//Load JXGrabKey lib
System.load(new File("lib/libJXGrabKey.so").getCanonicalPath());
//Enable Debug Output
JXGrabKey.setDebugOutput(true);
//Register some Hotkey
try{
//int key = KeyEvent.VK_K, mask = KeyEvent.CTRL_MASK | KeyEvent.ALT_MASK | KeyEvent.SHIFT_MASK;
int key = KeyEvent.VK_F2, mask = KeyEvent.ALT_MASK; //Conflicts on GNOME
JXGrabKey.getInstance().registerAwtHotkey(MY_HOTKEY_INDEX, mask, key);
}catch(HotkeyConflictException e){
JOptionPane.showMessageDialog(null, e.getMessage(), e.getClass().getName(), JOptionPane.ERROR_MESSAGE);
JXGrabKey.getInstance().cleanUp(); //Automatically unregisters Hotkeys and Listeners
//Alternatively, just unregister the key causing this or leave it as it is
//the key may not be grabbed at all or may not respond when numlock, capslock or scrollock is on
return;
}
//Implement HotkeyListener
HotkeyListener hotkeyListener = new jxgrabkey.HotkeyListener(){
public void onHotkey(int hotkey_idx) {
if (hotkey_idx != MY_HOTKEY_INDEX)
return;
hotkeyEventReceived = true;
}
};
//Add HotkeyListener
JXGrabKey.getInstance().addHotkeyListener(hotkeyListener);
//Wait for Hotkey Event
while(!hotkeyEventReceived){
Thread.sleep(1000);
}
// Shutdown JXGrabKey
JXGrabKey.getInstance().unregisterHotKey(MY_HOTKEY_INDEX); //Optional
JXGrabKey.getInstance().removeHotkeyListener(hotkeyListener); //Optional
JXGrabKey.getInstance().cleanUp();
}
}
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