protected TextClick? GetTextClick(GlobalKeyboardMessage Message, GlobalKeyboardEventSourceCallbackData keyboardHookStruct) {
var ret = default(TextClick?);
//System.Diagnostics.Debug.WriteLine($@"{Message}: {keyboardHookStruct.ScanCode} => {keyboardHookStruct.KeyCode}" );
if (Message.IsKeyDown()) {
var virtualKeyCode = keyboardHookStruct.Data.KeyCode;
var scanCode = keyboardHookStruct.Data.ScanCode;
var fuState = keyboardHookStruct.Data.Flags;
if (keyboardHookStruct.Data.KeyCode == KeyCode.Packet) {
var ch = (char)scanCode;
ret = new TextClick(new[] { ch });
} else {
var UnicodeFlags = ToUnicodeExFlags.None;
if (fuState.HasFlag(KeyboardHookStructFlags.Extended)) {
UnicodeFlags |= ToUnicodeExFlags.Menu;
}
if (State.TryGetCharFromKeyboardState(virtualKeyCode, scanCode, UnicodeFlags, out var chars)) {
if (chars is { } V1 && V1.Length > 0) {
ret = new TextClick(V1);
}
}
}
}
return ret;
}
protected EventSourceEventArgs<KeyInput> GetInputEventArgs(GlobalKeyboardMessage Message, GlobalKeyboardEventSourceCallbackData keyboardHookStruct) {
var keyData = keyboardHookStruct.Data.KeyCode;
var isKeyDown = Message.IsKeyDown();
var isKeyUp = Message.IsKeyUp();
var isExtendedKey = keyboardHookStruct.Data.Flags.HasFlag(KeyboardHookStructFlags.Extended);
var Status = KeyStatusValue.Compute(isKeyDown, isKeyUp);
var Data = new KeyInput(keyData, isExtendedKey, keyboardHookStruct.Data.ScanCode, Status);
var ret = EventSourceEventArgs.Create(keyboardHookStruct.Data.Time, Data, keyboardHookStruct);
return ret;
}