public void run() {
lib = User32.INSTANCE;
HMODULE hMod = Kernel32.INSTANCE.GetModuleHandle(null);
keyboardHook =
new LowLevelKeyboardProc() {
public LRESULT callback(int nCode, WPARAM wParam, KBDLLHOOKSTRUCT info) {
if (nCode >= 0) {
// To unhook press 'esc' key
if (info.vkCode == 0x1B) {
User32.INSTANCE.UnhookWindowsHookEx(hhk);
}
switch (info.vkCode) {
case 0x5B:
System.err.println("l win");
return new LRESULT(1);
case 0x5C:
System.err.println("r win");
return new LRESULT(1);
case 0xA2:
System.err.println("l ctrl");
return new LRESULT(1);
case 0xA3:
System.err.println("r ctrl");
return new LRESULT(1);
case 0xA4:
System.err.println("l alt");
return new LRESULT(1);
case 0xA5:
System.err.println("r alt");
return new LRESULT(1);
default:
System.out.println("Key Pressed : " + info.vkCode); // do nothing
}
}
return lib.CallNextHookEx(hhk, nCode, wParam, info.getPointer());
}
};
hhk = lib.SetWindowsHookEx(13, keyboardHook, hMod, 0);
// This bit never returns from GetMessage
int result;
MSG msg = new MSG();
while ((result = lib.GetMessage(msg, null, 0, 0)) != 0) {
if (result == -1) {
break;
} else {
lib.TranslateMessage(msg);
lib.DispatchMessage(msg);
}
}
lib.UnhookWindowsHookEx(hhk);
}
