Octgn.Play.PlayWindow.OnKeyDown C# (CSharp) Method

        protected override void OnKeyDown(KeyEventArgs e)
        {
            base.OnKeyDown(e);

            if (_currentCard != null && _currentCardUpStatus && (Keyboard.GetKeyStates(Key.LeftCtrl) & KeyStates.Down) > 0 && Prefs.ZoomOption == Prefs.ZoomType.ProxyOnKeypress && _newCard)
            {
                var img = _currentCard.GetBitmapImage(_currentCardUpStatus, true);
                ShowCardPicture(_currentCard, img);
                _newCard = false;
            }

            if (e.OriginalSource is TextBox)
                return; // Do not tinker with the keyboard events when the focus is inside a textbox

            if (e.IsRepeat)
                return;
            IInputElement mouseOver = Mouse.DirectlyOver;
            var te = new TableKeyEventArgs(this, e);
            if (mouseOver != null) mouseOver.RaiseEvent(te);
            if (te.Handled) return;

            // If the event was unhandled, check if there's a selection and try to apply a shortcut action to it
            if (!Selection.IsEmpty() && Selection.Source.CanManipulate())
            {
                ActionShortcut match =
                    Selection.Source.CardShortcuts.FirstOrDefault(
                        shortcut => shortcut.Key.Matches(this, te.KeyEventArgs));
                if (match != null)
                {
                    if (match.ActionDef.AsAction().Execute != null)
                        ScriptEngine.ExecuteOnCards(match.ActionDef.AsAction().Execute, Selection.Cards);
                    else if (match.ActionDef.AsAction().BatchExecute != null)
                        ScriptEngine.ExecuteOnBatch(match.ActionDef.AsAction().BatchExecute, Selection.Cards);
                    e.Handled = true;
                    return;
                }
            }

            // The event was still unhandled, try all groups, starting with the table
            if (table == null) return;
            table.RaiseEvent(te);
            if (te.Handled) return;
            foreach (Group g in Player.LocalPlayer.Groups.Where(g => g.CanManipulate()))
            {
                ActionShortcut a = g.GroupShortcuts.FirstOrDefault(shortcut => shortcut.Key.Matches(this, e));
                if (a == null) continue;
                if (a.ActionDef.AsAction().Execute != null)
                    ScriptEngine.ExecuteOnGroup(a.ActionDef.AsAction().Execute, g);
                e.Handled = true;
                return;
            }
        }