add shortcuts

lib/appdata.dart

@@ -32,6 +32,8 @@ class _Appdata {
       LogicalKeyboardKey.enter.keyId,
       LogicalKeyboardKey.keyD.keyId,
       LogicalKeyboardKey.keyF.keyId,
+      LogicalKeyboardKey.keyC.keyId,
+      LogicalKeyboardKey.keyG.keyId,
     ],
     "showOriginalImage": false,
   };
@@ -64,7 +66,7 @@ class _Appdata {
     final file = File("${App.dataPath}/account.json");
     if (file.existsSync()) {
       var json = jsonDecode(await file.readAsString());
-      if(json != null) {
+      if (json != null) {
         account = Account.fromJson(json);
       }
     }
@@ -73,7 +75,15 @@ class _Appdata {
       var json = jsonDecode(await settingsFile.readAsString());
       for (var key in json.keys) {
         if (json[key] != null) {
-          settings[key] = json[key];
+          if (json[key] is List && settings[key] is List) {
+            for (int i = 0;
+                i < json[key].length && i < settings[key].length;
+                i++) {
+              settings[key][i] = json[key][i];
+            }
+          } else {
+            settings[key] = json[key];
+          }
         }
       }
     }

lib/components/keyboard.dart

@@ -40,12 +40,11 @@ class KeyEventListenerState extends State<KeyEventListener> {
       focusNode: focusNode,
       autofocus: true,
       onKeyEvent: (node, event) {
-        if (event is! KeyUpEvent) return KeyEventResult.ignored;
+        if (event is! KeyUpEvent) return KeyEventResult.handled;
         if (event.logicalKey == LogicalKeyboardKey.escape) {
           if (App.rootNavigatorKey.currentState?.canPop() ?? false) {
             App.rootNavigatorKey.currentState?.pop();
-          }
-          if (App.mainNavigatorKey?.currentState?.canPop() ?? false) {
+          } else if (App.mainNavigatorKey?.currentState?.canPop() ?? false) {
             App.mainNavigatorKey?.currentState?.pop();
           }
           return KeyEventResult.handled;

lib/foundation/history.dart

@@ -62,12 +62,19 @@ class HistoryManager {
       illust.width,
       illust.height
     ]);
+    if(length > 1000) {
+      _db.execute('''
+        delete from history where id in (
+          select id from history order by time asc limit 100
+        )
+      ''');
+    }
   }
 
   List<IllustHistory> getHistories(int page) {
     var rows = _db.select('''
-      select * from history
-      limit 20 offset ?
+      select * from history order by time desc
+      limit 20 offset ? 
     ''', [(page - 1) * 20]);
     List<IllustHistory> res = [];
     for (var row in rows) {

lib/pages/illust_page.dart

@@ -319,6 +319,14 @@ class _IllustPageState extends State<IllustPage> {
         _bottomBarController.download();
       case 6:
         _bottomBarController.follow();
+      case 7:
+        if (ModalRoute.of(context)?.isCurrent ?? true) {
+          CommentsPage.show(context, widget.illust.id.toString());
+        } else {
+          context.pop();
+        }
+      case 8:
+        openImage(0);
     }
   }
 

lib/pages/settings_page.dart

@@ -592,6 +592,8 @@ class _ShortcutsSettingsState extends State<ShortcutsSettings> {
     "Add to favorites",
     "Download",
     "Follow the artist",
+    "Show comments",
+    "Show original image"
   ];
 
   @override