shortcuts

lib/components/keyboard.dart

@@ -0,0 +1,61 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:pixes/foundation/app.dart';
+
+typedef KeyEventHandler = void Function(LogicalKeyboardKey key);
+
+class KeyEventListener extends StatefulWidget {
+  const KeyEventListener({required this.child, super.key});
+
+  final Widget child;
+
+  static KeyEventListenerState? of(BuildContext context) {
+    return context.findAncestorStateOfType<KeyEventListenerState>();
+  }
+
+  @override
+  State<KeyEventListener> createState() => KeyEventListenerState();
+}
+
+class KeyEventListenerState extends State<KeyEventListener> {
+  final focusNode = FocusNode();
+
+  final List<KeyEventHandler> _handlers = [];
+
+  void addHandler(KeyEventHandler handler) {
+    _handlers.add(handler);
+  }
+
+  void removeHandler(KeyEventHandler handler) {
+    _handlers.remove(handler);
+  }
+
+  void removeAll() {
+    _handlers.clear();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Focus(
+      focusNode: focusNode,
+      autofocus: true,
+      onKeyEvent: (node, event) {
+        if (event is! KeyUpEvent) return KeyEventResult.ignored;
+        if (event.logicalKey == LogicalKeyboardKey.escape) {
+          if (App.rootNavigatorKey.currentState?.canPop() ?? false) {
+            App.rootNavigatorKey.currentState?.pop();
+          }
+          if (App.mainNavigatorKey?.currentState?.canPop() ?? false) {
+            App.mainNavigatorKey?.currentState?.pop();
+          }
+          return KeyEventResult.handled;
+        }
+        for (var handler in _handlers) {
+          handler(event.logicalKey);
+        }
+        return KeyEventResult.handled;
+      },
+      child: widget.child,
+    );
+  }
+}