protected override IntPtr HookTrigger(int nCode, IntPtr wParam, IntPtr lParam)
{
KeyboardMessages keyboardMessage = (KeyboardMessages)wParam.ToInt32();
KeyboardMessageData keyboardMessageData = (KeyboardMessageData)Marshal.PtrToStructure(lParam, typeof(KeyboardMessageData));
var keyboardEventArgs = new KeyboardEventArgs(keyboardMessage, keyboardMessageData.VkCode);
switch (keyboardMessage)
{
case KeyboardMessages.WM_KEYDOWN:
this.KeyDown?.Invoke(this, keyboardEventArgs);
break;
case KeyboardMessages.WM_KEYUP:
this.KeyUp?.Invoke(this, keyboardEventArgs);
break;
case KeyboardMessages.WM_SYSKEYDOWN:
this.SystemKeyDown?.Invoke(this, keyboardEventArgs);
break;
case KeyboardMessages.WM_SYSKEYUP:
this.SystemKeyUp?.Invoke(this, keyboardEventArgs);
break;
}
this.Action?.Invoke(this, keyboardEventArgs);
return(HookNativeMethods.CallNextHookEx((int)HookId.WH_KEYBOARD_LL, nCode, wParam, lParam));
}
private IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0)
{
KeyboardMessages keyType = (KeyboardMessages)Marshal.ReadInt32(wParam);
KBDLLHOOKSTRUCT hookStruct = (KBDLLHOOKSTRUCT)Marshal.PtrToStructure(lParam, typeof(KBDLLHOOKSTRUCT));
this.Event(
this,
new KeyboardEventArgs(
hookStruct.vkCode,
hookStruct.scanCode,
hookStruct.flags,
hookStruct.time,
keyType.GetName()));
}
return(Interop.CallNextHookEx(this.hookPointer, nCode, wParam, lParam));
}
static void SendCommand(KeyboardCommands command)
{
KeyboardMessages message = KeyboardMessages.Acknowledge;
do
{
IO.WriteByte(IO.Port.KB_data_port, (byte)command);
// Wait for acknowledge and receieve it
WaitUntilReady();
message = (KeyboardMessages)IO.ReadByte(IO.Port.KB_data_port);
if (message == KeyboardMessages.Request_Resend)
{
continue;
}
else if (message == KeyboardMessages.Acknowledge)
{
return;
}
else if (message == KeyboardMessages.Unknown1) // This was the cause of the caps issue.
{
return;
}
else if (message == KeyboardMessages.Unknown2) // This was the cause of the caps issue in qemu.
{
capsLock = capsLock ^ capsLockReleased;
capsLockReleased = true;
return;
}
else
{
TextMode.WriteByte((byte)message);
//Diagnostics.Error ("ADC.X86.Keyboard.SendCommand(): unhandled message");
return;
}
} while (message != KeyboardMessages.Acknowledge);
}
public static extern int CallNextHookEx(IntPtr hhk, int nCode, KeyboardMessages wParam, [In] KBDLLHOOKSTRUCT lParam);
public KeyboardEventArgs(KeyboardMessages keyboardMessage, VirtualKeyCodes virtualKeyCode)
{
this.KeyboardMessage = keyboardMessage;
this.VirtualKeyCode = virtualKeyCode;
}
