allora io ho queste due classi
codice:
package MouseHook;
import static com.jinvoke.win32.WinConstants.*;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.TextArea;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import com.jinvoke.Callback;
import com.jinvoke.JInvoke;
import com.jinvoke.NativeImport;
import com.jinvoke.Util;
import com.jinvoke.win32.Kernel32;
import com.jinvoke.win32.User32;
import com.jinvoke.win32.structs.Msg;
public class MouseHook extends JPanel{
static {
JInvoke.initialize();
}
@NativeImport(library = "user32")
public native static int SetWindowsHookEx (int idHook, Callback hookProc, int hModule, int dwThreadId);
@NativeImport(library = "user32")
public native static int UnhookWindowsHookEx (int idHook);
public static final int WH_MOUSE_LL = 14;
static JFrame frame;
static TextArea AreaEventiMouse = new TextArea();
static JButton setHookBtn;
static JButton removeHookBtn;
public MouseHook() {
super(new BorderLayout());
AreaEventiMouse.setText("1) Clicca su \"Set Mouse Hook\" bottone.\n" +
"2) inizia a cliccare sul desktop. Gli eventi vengono qui catturati.\n" +
"3) ferma l'hook cliccando su \"Remove Mouse Hook\" bottone.\n\n");
JScrollPane MouseEventPane = new JScrollPane(AreaEventiMouse);
add(MouseEventPane, BorderLayout.CENTER);
JPanel buttonPanel = new JPanel();
buttonPanel.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
setHookBtn = new JButton("Set Mouse Hook");
setHookBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
setMouseHook();
}} );
removeHookBtn = new JButton("Remove Mouse Hook");
removeHookBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
unsetMouseHook();
}} );
removeHookBtn.setEnabled(false);
buttonPanel.add(setHookBtn);
buttonPanel.add(removeHookBtn);
add(buttonPanel, BorderLayout.SOUTH);
}
private void setMouseHook() {
setHookBtn.setEnabled(false);
removeHookBtn.setEnabled(true);
// This hook is called in the context of the thread that installed it.
// The call is made by sending a message to the thread that installed the hook.
// Therefore, the thread that installed the hook must have a message loop.
//
// We crate a new thread as we don't want the AWT Event thread to be stuck running a message pump
// nor do we want the main thread to be stuck in running a message pump
Thread hookThread = new Thread(new Runnable(){
public void run() {
if (MouseProc.hookHandle == 0) {
int hInstance = Kernel32.GetModuleHandle(null);
MouseProc.hookHandle = SetWindowsHookEx(WH_MOUSE_LL,
new Callback(MouseProc.class, "lowLevelMouseProc"),
hInstance,
0);
// Standard message dispatch loop (message pump)
Msg msg = new Msg();
while (User32.GetMessage(msg, 0, 0, 0)) {
User32.TranslateMessage(msg);
User32.DispatchMessage(msg);
}
} else {
AreaEventiMouse.append("Hook già installato.\n");
}
}});
hookThread.start();
}
private void unsetMouseHook() {
setHookBtn.setEnabled(true);
removeHookBtn.setEnabled(false);
UnhookWindowsHookEx(MouseProc.hookHandle);
MouseProc.hookHandle = 0;
}
private static void createAndShowGUI() {
//Create and set up the window.
frame = new JFrame("Mouse Hook");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
MouseHook MouseEventsWindow = new MouseHook();
MouseEventsWindow.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
//Add content to the window.
frame.add(MouseEventsWindow, BorderLayout.CENTER);
//Display the window.
frame.pack();
frame.setBounds(300, 200, 750, 600);
frame.setVisible(true);
}
public static void main(String[] args) {
//Schedule a job for the event-dispatching thread:
//creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
}
class MouseProc {
static int hookHandle;
@NativeImport(library = "user32")
public native static int CallNextHookEx (int idHook, int nCode, int wParam, int lParam);
static {
JInvoke.initialize();
}
public static int lowLevelMouseProc(int nCode, int wParam, int lParam ) {
if (nCode < 0)
return CallNextHookEx(hookHandle, nCode, wParam, lParam);
if (nCode == HC_ACTION) {
MSLLHOOKSTRUCT mInfo = Util.ptrToStruct(lParam, MSLLHOOKSTRUCT.class);
String message = "Mouse pt: (" + mInfo.pt.x + ", " + mInfo.pt.y + ") ";
switch (wParam) {
case WM_LBUTTONDOWN:
message += "Bottone sinistro giù";
break;
case WM_LBUTTONUP:
message += "Bottone sisnistro sù";
break;
case WM_MOUSEMOVE:
message += "Mouse mosso";
break;
case WM_MOUSEWHEEL:
message += "rotellina mouse girata";
break;
case WM_RBUTTONDOWN:
message += "Bottone destro giu";
break;
case WM_RBUTTONUP:
message += "Bottone sinistro giu";
break;
}
System.out.println(message);
MouseHook.AreaEventiMouse.append(message+"\n");
}
return CallNextHookEx(hookHandle, nCode, wParam, lParam);
}
}
codice:
package MouseHook;
import com.jinvoke.NativeStruct;
import com.jinvoke.win32.structs.Point;
@NativeStruct
public class MSLLHOOKSTRUCT {
public Point pt = new Point();
public int mouseData;
public int flags;
public int time;
public int dwExtraInfo;
}
non ho capito dove devo agire
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