/// <inheritdoc/>>
public async Task StartProcessingInputEvents()
{
lock (_lock)
{
if (_isProcessingKeyboardEvents)
{
throw new InvalidOperationException($"{nameof(UserInputHandler)} is already processing keyboard events");
}
_isProcessingKeyboardEvents = true;
}
using (IKeyboardEventSource keyboard = WindowsInput.Capture.Global.KeyboardAsync())
{
using (IMouseEventSource mouse = WindowsInput.Capture.Global.MouseAsync())
{
mouse.ButtonScroll += OnMouseScroll;
keyboard.KeyEvent += OnKeyEvent;
mouse.ButtonDown += (sender, args) => OnMouseOnButtonEvent(args, MouseEventType.KeyDown);
mouse.ButtonUp += (sender, args) => OnMouseOnButtonEvent(args, MouseEventType.KeyUp);
_taskCompletionSource = new TaskCompletionSource <bool>();
await _taskCompletionSource.Task.ConfigureAwait(false);
}
}
}
private void Unsubscribe()
{
m_Keyboard?.Dispose();
m_Keyboard = null;
m_Mouse?.Dispose();
m_Mouse = null;
}
private void Subscribe(IMouseEventSource Mouse)
{
this.m_Mouse?.Dispose();
this.m_Mouse = Mouse;
if (Mouse != default)
{
Mouse.MouseEvent += this.Mouse_MouseEvent;
}
}
/// <inheritdoc/>
public async Task <UserInputKey> WaitForKeyPress(bool blockPressedKey = false)
{
var taskCompletionSource = new TaskCompletionSource <UserInputKey>();
using (IKeyboardEventSource keyboard = WindowsInput.Capture.Global.KeyboardAsync())
{
using (IMouseEventSource mouse = WindowsInput.Capture.Global.MouseAsync())
{
mouse.ButtonScroll += (_, keyEventArgs) =>
{
if (keyEventArgs?.Data?.Button != null)
{
UserInputKey mappedKey = _keyMapper.MapToUserInputKey(keyEventArgs.Data.Offset);
if (blockPressedKey)
{
keyEventArgs.Next_Hook_Enabled = false;
}
taskCompletionSource.SetResult(mappedKey);
}
};
mouse.ButtonDown += (_, keyEventArgs) =>
{
if (keyEventArgs?.Data?.Button != null && keyEventArgs.Data.Button != ButtonCode.VScroll && keyEventArgs.Data.Button != ButtonCode.HScroll)
{
UserInputKey mappedKey = _keyMapper.MapToUserInputKey(keyEventArgs.Data.Button);
if (blockPressedKey)
{
keyEventArgs.Next_Hook_Enabled = false;
}
taskCompletionSource.SetResult(mappedKey);
}
};
keyboard.KeyEvent += (_, keyEventArgs) =>
{
if (keyEventArgs?.Data?.KeyDown != null)
{
UserInputKey mappedKey = _keyMapper.MapToUserInputKey(keyEventArgs.Data.KeyDown.Key);
if (blockPressedKey)
{
keyEventArgs.Next_Hook_Enabled = false;
}
taskCompletionSource.SetResult(mappedKey);
}
};
return(await taskCompletionSource.Task.ConfigureAwait(false));
}
}
}
