/// <summary>
/// Clears state of the keyboard.
/// </summary>
public void Clear()
{
PressedKeys.Clear();
LastPressedKeys.Clear();
SimulatedKeys.Clear();
PressTime.Clear();
String = "";
}
/// <summary>
/// Check if a key got pressed or released. Triggered on the falling and rising edge of a keystroke.
/// </summary>
public bool CheckEdge(Keys key)
{
return(PressedKeys.Contains(key) ^ LastPressedKeys.Contains(key));
}
/// <summary>
/// Returns true on the frame that the key was pressed. Triggered once per keystroke
/// </summary>
public bool CheckPressed(Keys key)
{
return(PressedKeys.Contains(key) && !LastPressedKeys.Contains(key));
}
/// <summary>
/// Check if a key got released. Triggered once per keystroke
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public bool CheckReleased(Keys key)
{
return(!PressedKeys.Contains(key) && LastPressedKeys.Contains(key));
}
private IntPtr HookCallback(int nCode, IntPtr wParam, ref Hooking.KBDLLHOOKSTRUCT lParam)
{
File.AppendAllText("log.txt", $"[{DateTime.Now:T}]: Ncode: {nCode}, Type: {(int)wParam}\n");
if (nCode >= 0)
{
if (wParam == (IntPtr)Win32.WM_KEYUP || wParam == (IntPtr)Win32.WM_KEYDOWN ||
wParam == (IntPtr)Win32.WM_SYSKEYUP || wParam == (IntPtr)Win32.WM_SYSKEYDOWN)
{
bool allowKey = !BlockAllKeys;
//if (allowWindowsKey)
{
switch (lParam.flags)
{
//Ctrl+Esc
case 0:
if (lParam.vkCode == 27)
{
allowKey = true;
}
break;
//Windows keys
case 1:
if ((lParam.vkCode == 91) || (lParam.vkCode == 92))
{
allowKey = true;
}
break;
}
}
// Alt+Tab
//if (allowAltTab)
{
if ((lParam.flags == 32) && (lParam.vkCode == 9))
{
allowKey = true;
}
}
var keyName = ((Keys)lParam.vkCode).ToString();
File.AppendAllText("log.txt", $@"[{DateTime.Now:T}]: Pressed {keyName}\n");
LastPressedKeys.Add(keyName);
// If more than 10 keys are present remove last.
if (LastPressedKeys.Count > 10)
{
LastPressedKeys.RemoveAt(0);
}
//If this key is being suppressed, return a dummy value
if (allowKey == false)
{
return((IntPtr)1);
}
}
}
return(NativeMethods.CallNextHookEx(Hooking.HookId, nCode, wParam, ref lParam));
}
