feat(ui_components): add extra state

packages/wyatt_ui_components/lib/src/core/enums/control_state.dart

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
+/// Defines standard UI control states
 enum ControlState {
   /// When the control is disabled and un-clickable
   disabled,

packages/wyatt_ui_components/lib/src/core/enums/enums.dart

@@ -15,4 +15,5 @@
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 export './control_state.dart';
+export './extra_state.dart';
 export './status_state.dart';

packages/wyatt_ui_components/lib/src/core/enums/extra_state.dart

@@ -0,0 +1,35 @@
+// Copyright (C) 2023 WYATT GROUP
+// Please see the AUTHORS file for details.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import 'package:wyatt_ui_components/wyatt_wyatt_ui_components.dart';
+
+/// Defines extra UI control states that can
+/// be combined with [ControlState]
+enum ExtraState {
+  /// When the control is selected
+  selected,
+
+  /// When the control is invalid
+  invalid,
+
+  /// When the control is freezed
+  /// Useful to prevent user from changing the control state
+  freezed;
+
+  bool isSelected() => this == ExtraState.selected;
+  bool isInvalid() => this == ExtraState.invalid;
+  bool isFreezed() => this == ExtraState.freezed;
+}