jna5.9 监听鼠标 msllhookstruct
时间: 2023-05-14 15:03:38 浏览: 134
JNA 5.9是一种Java Native Access库,可用于访问本地C和C ++库的API。MSLLHOOKSTRUCT是一种鼠标钩子的数据结构,用于在Windows操作系统中监视鼠标事件。
在JNA 5.9中,您可以使用以下代码来监听鼠标MSLLHOOKSTRUCT:
1.使用JNA声明USER32库:
public interface User32 extends StdCallLibrary {
User32 INSTANCE = (User32) Native.loadLibrary("User32", User32.class, W32APIOptions.DEFAULT_OPTIONS);
LRESULT CallNextHookEx(HHOOK hhk, int nCode, WPARAM wParam, MSLLHOOKSTRUCT lParam);
}
2. 实现一个全局鼠标监听器类:
public class GlobalKeyMouseListener implements LowLevelMouseProc {
private User32 user32;
private HHOOK hook;
public GlobalKeyMouseListener() {
this.user32 = User32.INSTANCE;
this.hook = null;
}
public void start() {
HMODULE hMod = Kernel32.INSTANCE.GetModuleHandle(null);
this.hook = user32.SetWindowsHookEx(User32.WH_MOUSE_LL, this, hMod, 0);
int errorCode = Native.getLastError();
if (errorCode != 0) {
System.err.println("Could not install mouse hook. Error code: " + errorCode);
stop();
}
}
public void stop() {
if (hook != null) {
user32.UnhookWindowsHookEx(hook);
hook = null;
}
}
@Override
public LRESULT callback(int nCode, WPARAM wParam, MSLLHOOKSTRUCT lParam) {
// handle mouse events
return user32.CallNextHookEx(hook, nCode, wParam, lParam);
}
}
3. 调用start()方法开始监听:
GlobalKeyMouseListener listener = new GlobalKeyMouseListener();
listener.start();
当代码运行时,您的应用程序将继续监听鼠标事件并收到钩子回调。您可以在callback()方法中执行您想要的任何操作。调用stop()方法时停止监听。