78 lines
2.4 KiB
Dart
78 lines
2.4 KiB
Dart
import 'package:flutter/material.dart';
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import '../focus/focusable_wrapper.dart';
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import 'app_menu.dart';
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/// An [AppMenuButton] that can be focused and opened with D-pad select.
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class FocusablePopupMenuButton<T> extends StatefulWidget {
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final Widget? icon;
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final String? tooltip;
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final AppMenuEntryBuilder<T> itemBuilder;
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final ValueChanged<T>? onSelected;
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final GlobalKey<AppMenuButtonState<T>>? menuKey;
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final FocusNode? focusNode;
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final VoidCallback? onNavigateUp;
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final VoidCallback? onNavigateDown;
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final VoidCallback? onNavigateLeft;
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final VoidCallback? onNavigateRight;
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final String? semanticLabel;
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final double borderRadius;
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final bool useBackgroundFocus;
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final bool enableLongPress;
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const FocusablePopupMenuButton({
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super.key,
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this.icon,
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this.tooltip,
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required this.itemBuilder,
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this.onSelected,
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this.menuKey,
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this.focusNode,
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this.onNavigateUp,
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this.onNavigateDown,
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this.onNavigateLeft,
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this.onNavigateRight,
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this.semanticLabel,
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this.borderRadius = 100,
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this.useBackgroundFocus = true,
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this.enableLongPress = true,
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});
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@override
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State<FocusablePopupMenuButton<T>> createState() => _FocusablePopupMenuButtonState<T>();
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}
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class _FocusablePopupMenuButtonState<T> extends State<FocusablePopupMenuButton<T>> {
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final _ownedMenuKey = GlobalKey<AppMenuButtonState<T>>();
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GlobalKey<AppMenuButtonState<T>> get _menuKey => widget.menuKey ?? _ownedMenuKey;
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void _showMenu() => _menuKey.currentState?.showButtonMenu(focusFirstItem: true);
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@override
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Widget build(BuildContext context) {
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return FocusableWrapper(
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focusNode: widget.focusNode,
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disableScale: true,
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borderRadius: widget.borderRadius,
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useBackgroundFocus: widget.useBackgroundFocus,
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descendantsAreFocusable: false,
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semanticLabel: widget.semanticLabel ?? widget.tooltip,
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enableLongPress: widget.enableLongPress,
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onNavigateUp: widget.onNavigateUp,
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onNavigateDown: widget.onNavigateDown,
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onNavigateLeft: widget.onNavigateLeft,
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onNavigateRight: widget.onNavigateRight,
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onSelect: _showMenu,
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onLongPress: widget.enableLongPress ? _showMenu : null,
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child: AppMenuButton<T>(
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key: _menuKey,
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icon: widget.icon,
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tooltip: widget.tooltip,
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onSelected: widget.onSelected,
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entriesBuilder: widget.itemBuilder,
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),
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);
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}
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}
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