The Garage SDKs, in the open
garage_auth, garage_entitlements, garage_iap and garage_ui, moved out of Garage-Services and Metro-Map-Maker into one public repo. MIT, one readme, docs under docs/. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013F4NWNvYcdeSgqbWMT1VQ7
This commit is contained in:
ImBenji
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import "package:flutter/widgets.dart";
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sealed class AppMenuItem {
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const AppMenuItem();
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}
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class AppMenuGroup extends AppMenuItem {
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const AppMenuGroup({
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required this.label,
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required this.children,
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this.icon,
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this.visible = true,
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});
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final String label;
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final IconData? icon;
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final List<AppMenuItem> children;
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final bool visible;
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List<AppMenuItem> get visibleChildren => children.where((item) {
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return switch (item) {
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AppMenuGroup group => group.visible,
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AppMenuAction action => action.visible,
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_ => true,
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};
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}).toList();
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}
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class AppMenuAction extends AppMenuItem {
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const AppMenuAction({
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required this.label,
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this.icon,
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this.trailingIcon,
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this.onTap,
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this.shortcut,
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this.visible = true,
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});
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final String label;
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final IconData? icon;
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final IconData? trailingIcon;
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final VoidCallback? onTap;
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final SingleActivator? shortcut;
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final bool visible;
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bool get enabled => onTap != null;
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}
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class AppMenuCheck extends AppMenuItem {
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const AppMenuCheck({
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required this.label,
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required this.checked,
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this.checkedLabel,
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this.onToggle,
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this.shortcut,
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});
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final String label;
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final String? checkedLabel;
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final bool checked;
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final VoidCallback? onToggle;
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final SingleActivator? shortcut;
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}
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class AppMenuPlatformProvided extends AppMenuItem {
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const AppMenuPlatformProvided(this.type);
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final PlatformProvidedMenuItemType type;
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}
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class AppMenuSeparator extends AppMenuItem {
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const AppMenuSeparator({this.visible = true});
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final bool visible;
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}
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/// Converts the shared menu model to Flutter's native platform menu model.
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class AppMenuNativeRenderer {
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static List<PlatformMenuItem> build(
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List<AppMenuGroup> menus, {
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String appName = "Garage App",
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}) {
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final appItems = <PlatformMenuItem>[
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for (final type in [
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PlatformProvidedMenuItemType.about,
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PlatformProvidedMenuItemType.servicesSubmenu,
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PlatformProvidedMenuItemType.hide,
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PlatformProvidedMenuItemType.hideOtherApplications,
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PlatformProvidedMenuItemType.showAllApplications,
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PlatformProvidedMenuItemType.quit,
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])
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if (PlatformProvidedMenuItem.hasMenu(type))
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PlatformProvidedMenuItem(type: type),
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];
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return [
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if (appItems.isNotEmpty) PlatformMenu(label: appName, menus: appItems),
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for (final group in menus)
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if (group.visible)
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PlatformMenu(
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label: group.label,
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menus: _convertItems(group.visibleChildren),
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),
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];
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}
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static String signature(List<AppMenuGroup> menus) {
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final buffer = StringBuffer();
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for (final group in menus) {
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if (!group.visible) continue;
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_writeSignature(buffer, group);
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buffer.write(";");
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}
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return buffer.toString();
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}
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static List<PlatformMenuItem> _convertItems(List<AppMenuItem> items) {
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final groups = <List<AppMenuItem>>[<AppMenuItem>[]];
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for (final item in items) {
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if (item case AppMenuSeparator(visible: true)) {
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groups.add(<AppMenuItem>[]);
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} else if (item is! AppMenuSeparator) {
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groups.last.add(item);
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}
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}
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final result = <PlatformMenuItem>[];
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for (var index = 0; index < groups.length; index++) {
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final native = groups[index]
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.map(_toNativeItem)
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.whereType<PlatformMenuItem>();
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final items = native.toList();
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if (items.isEmpty) continue;
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if (index == 0) {
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result.addAll(items);
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} else {
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result.add(PlatformMenuItemGroup(members: items));
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}
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}
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return result;
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}
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static PlatformMenuItem? _toNativeItem(AppMenuItem item) {
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return switch (item) {
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AppMenuGroup group when group.visible => PlatformMenu(
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label: group.label,
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menus: _convertItems(group.visibleChildren),
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),
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AppMenuAction action when action.visible => PlatformMenuItem(
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label: action.label,
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shortcut: action.shortcut,
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onSelected: action.onTap,
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),
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AppMenuCheck check => PlatformMenuItem(
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label: check.checked && check.checkedLabel != null
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? check.checkedLabel!
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: check.label,
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shortcut: check.shortcut,
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onSelected: check.onToggle,
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),
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AppMenuPlatformProvided provided
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when PlatformProvidedMenuItem.hasMenu(provided.type) =>
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PlatformProvidedMenuItem(type: provided.type),
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_ => null,
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};
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}
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static void _writeSignature(StringBuffer buffer, AppMenuItem item) {
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switch (item) {
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case AppMenuGroup group:
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if (!group.visible) return;
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buffer
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..write("G(")
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..write(group.label)
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..write("|")
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..write(group.icon?.codePoint ?? -1)
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..write(")[");
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for (final child in group.visibleChildren) {
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_writeSignature(buffer, child);
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buffer.write(",");
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}
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buffer.write("]");
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case AppMenuAction action:
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if (!action.visible) return;
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buffer
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..write("A(")
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..write(action.label)
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..write("|")
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..write(action.icon?.codePoint ?? -1)
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..write("|")
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..write(action.enabled ? 1 : 0)
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..write("|")
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..write(_shortcutSignature(action.shortcut))
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..write(")");
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case AppMenuCheck check:
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buffer
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..write("C(")
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..write(check.label)
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..write("|")
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..write(check.checkedLabel ?? "-")
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..write("|")
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..write(check.checked ? 1 : 0)
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..write("|")
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..write(check.onToggle != null ? 1 : 0)
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..write("|")
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..write(_shortcutSignature(check.shortcut))
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..write(")");
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case AppMenuPlatformProvided provided:
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buffer
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..write("P(")
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..write(provided.type.name)
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..write(")");
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case AppMenuSeparator separator:
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if (separator.visible) buffer.write("S");
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}
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}
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// SingleActivator has no value-based toString (it's Diagnosticable, so the
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// default one embeds the object's identity hash) - and menu_def.dart builds
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// a fresh activator on every rebuild, so hashing the instance itself would
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// make the signature change every frame and defeat the whole point of this
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// gate. build it off the actual key/modifier fields instead, those are what
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// we care about being stable.
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static String _shortcutSignature(SingleActivator? shortcut) {
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if (shortcut == null) return "-";
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return [
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shortcut.trigger.keyLabel,
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shortcut.trigger.keyId.toRadixString(16),
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shortcut.alt ? "a" : "",
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shortcut.control ? "c" : "",
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shortcut.meta ? "m" : "",
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shortcut.shift ? "s" : "",
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].join(":");
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}
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}
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