javajna使用Keyhook回调
我正在寻找一个使用JNA的keyhook库,并在他们的github上找到了一个演示javajna使用Keyhook回调,java,events,keyboard,jna,Java,Events,Keyboard,Jna,我正在寻找一个使用JNA的keyhook库,并在他们的github上找到了一个演示 public final class Test { private static volatile boolean quit; private static WinUser.HHOOK hhk; private static WinUser.LowLevelKeyboardProc keyboardHook; public static void main(String[] args) { final
public final class Test {
private static volatile boolean quit;
private static WinUser.HHOOK hhk;
private static WinUser.LowLevelKeyboardProc keyboardHook;
public static void main(String[] args) {
final User32 lib = User32.INSTANCE;
WinDef.HMODULE hMod = Kernel32Direct.GetModuleHandle(null);
keyboardHook = new WinUser.LowLevelKeyboardProc() {
@Override
public WinDef.LRESULT callback(int nCode, WinDef.WPARAM wParam, WinUser.KBDLLHOOKSTRUCT info) {
if (nCode >= 0) {
switch (wParam.intValue()) {
case WinUser.WM_KEYUP:
case WinUser.WM_KEYDOWN:
case WinUser.WM_SYSKEYUP:
case WinUser.WM_SYSKEYDOWN:
System.err.println("in callback, key=" + info.vkCode);
if (info.vkCode == 81) {
quit = true;
}
break;
}
}
Pointer ptr = info.getPointer();
long peer = Pointer.nativeValue(ptr);
return lib.CallNextHookEx(hhk, nCode, wParam, new WinDef.LPARAM(peer));
}
};
hhk = lib.SetWindowsHookEx(WinUser.WH_KEYBOARD_LL, keyboardHook, hMod, 0);
System.out.println("Keyboard hook installed, type anywhere, 'q' to quit");
new Thread() {
@Override
public void run() {
while (!quit) {
try {
Thread.sleep(100);
} catch (Exception e) {
}
}
System.err.println("unhook and exit");
lib.UnhookWindowsHookEx(hhk);
System.exit(0);
}
}.start();
// This bit never returns from GetMessage
int result;
WinUser.MSG msg = new WinUser.MSG();
while ((result = lib.GetMessage(msg, null, 0, 0)) != 0) {
if (result == -1) {
System.err.println("error in get message");
break;
} else {
System.err.println("got message");
lib.TranslateMessage(msg);
lib.DispatchMessage(msg);
}
}
lib.UnhookWindowsHookEx(hhk);
}
}
我想知道如何使用Swing/AWT事件使用像您这样的按键
例如:
如果用户键入字母h
,我如何使其在键盘挂钩和使用之前不会进一步处理按键
谢谢 要使用密钥,必须返回新的WinDef.LRESULT(1) 例如:
keyboardHook = (nCode, wParam, info) -> {
if (nCode >= 0) {
NativeKeyEvent event = new NativeKeyEvent(info.vkCode, info.time);
switch (wParam.intValue()) {
case WinUser.WM_KEYDOWN:
case WinUser.WM_SYSKEYDOWN:
dispatch(EventType.KEY_DOWN, event);
break;
case WinUser.WM_KEYUP:
case WinUser.WM_SYSKEYUP:
dispatch(EventType.KEY_UP, event);
break;
}
if (event.consumed()) {
return new WinDef.LRESULT(1);
}
}
return new WinDef.LRESULT(0);
};
要使用密钥,必须返回新的WinDef.LRESULT(1) 例如:
keyboardHook = (nCode, wParam, info) -> {
if (nCode >= 0) {
NativeKeyEvent event = new NativeKeyEvent(info.vkCode, info.time);
switch (wParam.intValue()) {
case WinUser.WM_KEYDOWN:
case WinUser.WM_SYSKEYDOWN:
dispatch(EventType.KEY_DOWN, event);
break;
case WinUser.WM_KEYUP:
case WinUser.WM_SYSKEYUP:
dispatch(EventType.KEY_UP, event);
break;
}
if (event.consumed()) {
return new WinDef.LRESULT(1);
}
}
return new WinDef.LRESULT(0);
};
这仅适用于OS X和Windows。这在X11上是不可能的。这只适用于OS X和Windows。这在X11上是不可能的。