/// <summary>
/// Handles a keyboard event based on the KeyboardParams it receives
/// </summary>
/// <param name="keyboardParamsObj">KeyboardParams struct (object type to comply with QueueUserWorkItem)</param>
private void HandleSingleKeyboardInput(object keyboardParamsObj)
{
Debug.WriteLine("Help!");
var keyboardParams = (KeyboardParams)keyboardParamsObj;
var wParam = keyboardParams.wParam;
var vkCode = keyboardParams.vkCode;
var modifierKey = ModifierKeysUtilities.GetModifierKeyFromCode(vkCode);
if (wParam == (IntPtr)WM_KEYDOWN || wParam == (IntPtr)WM_SYSKEYDOWN)
{
if (modifierKey != null)
{
lock (this._modifiersLock)
{
this._downModifierKeys.Add(modifierKey.Value);
}
}
}
if (wParam == (IntPtr)WM_KEYUP || wParam == (IntPtr)WM_SYSKEYUP)
{
if (modifierKey != null)
{
lock (this._modifiersLock)
{
this._downModifierKeys.Remove(modifierKey.Value);
}
}
this.HandleKeyPress(vkCode);
}
}
/// <summary>
/// Handles a keyboard event based on the KeyboardParams it receives
/// </summary>
/// <param name="keyboardParamsObj">KeyboardParams struct (object type to comply with QueueUserWorkItem)</param>
private void HandleSingleKeyboardInput(object keyboardParamsObj)
{
var keyboardParams = (KeyboardParams)keyboardParamsObj;
var wParam = keyboardParams.wParam;
var vkCode = keyboardParams.vkCode;
var modifierKey = ModifierKeysUtilities.GetModifierKeyFromCode(vkCode);
// If the keyboard event is a KeyDown event (i.e. key pressed)
if (wParam == (IntPtr)WM_KEYDOWN || wParam == (IntPtr)WM_SYSKEYDOWN)
{
// In this case, we only care about modifier keys
if (modifierKey != null)
{
lock (this._modifiersLock)
{
this._downModifierKeys.Add(modifierKey.Value);
}
}
// Trigger callbacks that are registered for this key, but only once per key press
if (!this._downKeys.Contains(vkCode))
{
this.HandleKeyPress(vkCode);
this._downKeys.Add(vkCode);
}
}
// If the keyboard event is a KeyUp event (i.e. key released)
if (wParam == (IntPtr)WM_KEYUP || wParam == (IntPtr)WM_SYSKEYUP)
{
// If the released key is a modifier key, remove it from the HashSet of modifier keys
if (modifierKey != null)
{
lock (this._modifiersLock)
{
this._downModifierKeys.Remove(modifierKey.Value);
}
}
this._downKeys.Remove(vkCode);
}
}
