Add sidebar item key commands

Tusker/Controllers/MenuController.swift

@@ -24,8 +24,42 @@ struct MenuController {
         return UIKeyCommand(title: "Refresh", action: #selector(RefreshableViewController.refresh), input: "r", modifierFlags: .command, discoverabilityTitle: discoverabilityTitle)
     }
     
+    @available(iOS 14.0, *)
+    static func sidebarCommand(item: MainSidebarViewController.Item, command: String) -> UIKeyCommand {
+        let data: Any
+        if case let .tab(tab) = item {
+            data = tab.rawValue
+        } else if case .search = item {
+            data = "search"
+        } else if case .bookmarks = item {
+            data = "bookmarks"
+        } else {
+            fatalError()
+        }
+        return UIKeyCommand(
+            title: item.title,
+            image: UIImage(systemName: item.imageName!),
+            action: #selector(MainSplitViewController.handleSidebarItemCommand(_:)),
+            input: command,
+            modifierFlags: .command,
+            propertyList: data
+        )
+    }
+    
+    @available(iOS 14.0, *)
+    static func sidebarItemKeyCommands() -> [UIKeyCommand] {
+        return [
+            sidebarCommand(item: .tab(.timelines), command: "1"),
+            sidebarCommand(item: .tab(.notifications), command: "2"),
+            sidebarCommand(item: .search, command: "3"),
+            sidebarCommand(item: .bookmarks, command: "4"),
+            sidebarCommand(item: .tab(.myProfile), command: "5"),
+        ]
+    }
+    
     static func buildMainMenu(builder: UIMenuBuilder) {
         builder.insertChild(buildFileMenu(), atStartOfMenu: .file)
+        builder.insertChild(buildViewMenu(), atStartOfMenu: .view)
     }
     
     private static func buildFileMenu() -> UIMenu {
@@ -41,4 +75,35 @@ struct MenuController {
         )
     }
     
+    private static func buildViewMenu() -> UIMenu {
+        let children: [UIMenuElement]
+        if #available(iOS 14.0, *) {
+            children = sidebarItemKeyCommands()
+        } else {
+            children = []
+        }
+        return UIMenu(
+            title: "",
+            image: nil,
+            identifier: nil,
+            options: .displayInline,
+            children: children
+        )
+    }
+    
+}
+
+extension MenuController {
+    @available(iOS 14.0, *)
+    class SidebarItem: NSObject, NSCopying {
+        let item: MainSidebarViewController.Item
+        
+        init(item: MainSidebarViewController.Item) {
+            self.item = item
+        }
+        
+        func copy(with zone: NSZone? = nil) -> Any {
+            return SidebarItem(item: self.item)
+        }
+    }
 }

Tusker/Screens/Main/MainSplitViewController.swift

@@ -58,6 +58,8 @@ class MainSplitViewController: UISplitViewController {
         setViewController(tabBarViewController, for: .compact)
         
         addKeyCommand(MenuController.composeCommand())
+        
+        MenuController.sidebarItemKeyCommands().forEach(addKeyCommand(_:))
     }
     
     func select(item: MainSidebarViewController.Item) {
@@ -75,6 +77,25 @@ class MainSplitViewController: UISplitViewController {
         }
     }
     
+    @objc func handleSidebarItemCommand(_ command: UICommand) {
+        let item: MainSidebarViewController.Item
+        if let index = command.propertyList as? Int {
+            item = .tab(MainTabBarViewController.Tab(rawValue: index)!)
+        } else if let str = command.propertyList as? String {
+            if str == "search" {
+                item = .search
+            } else if str == "bookmarks" {
+                item = .bookmarks
+            } else {
+                fatalError()
+            }
+        } else {
+            fatalError()
+        }
+        sidebar.select(item: item, animated: false)
+        select(item: item)
+    }
+
 }
 
 @available(iOS 14.0, *)