Add support for landscape orientation on desktop and tablets.

lib/logic/app_logic.dart

@@ -1,9 +1,9 @@
 import 'dart:async';
 
 import 'package:desktop_window/desktop_window.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter_displaymode/flutter_displaymode.dart';
 import 'package:wonders/common_libs.dart';
+import 'package:wonders/logic/common/platform_info.dart';
 import 'package:wonders/ui/common/utils/page_routes.dart';
 
 class AppLogic {
@@ -11,6 +11,17 @@ class AppLogic {
   /// The router will use this to prevent redirects while bootstrapping.
   bool isBootstrapComplete = false;
 
+  bool get isDesktopOrTablet => PlatformInfo.isDesktopOrWeb || deviceSize.shortestSide > 500;
+
+  /// Support portrait and landscape on desktop, web and tablets. Stick to portrait for phones.
+  /// A return value of null indicated both orientations are supported.
+  Axis? get supportedOrientations => isDesktopOrTablet ? null : Axis.vertical;
+
+  Size get deviceSize {
+    final w = WidgetsBinding.instance.platformDispatcher.views.first;
+    return w.physicalSize / w.devicePixelRatio;
+  }
+
   /// Initialize the app and all main actors.
   /// Loads settings, sets up services etc.
   Future<void> bootstrap() async {
@@ -18,16 +29,18 @@ class AppLogic {
     FlutterError.onError = _handleFlutterError;
 
     // Set min-sizes for desktop apps
-    await DesktopWindow.setMinWindowSize($styles.sizes.minAppSize);
+    if (PlatformInfo.isDesktop) {
+      await DesktopWindow.setMinWindowSize($styles.sizes.minAppSize);
+    }
 
     // Load any bitmaps the views might need
     await AppBitmaps.init();
 
-    // Default to only allowing portrait mode
-    setDeviceOrientation(Axis.vertical);
+    // Set the initial supported orientations
+    setDeviceOrientation(supportedOrientations);
 
     // Set preferred refresh rate to the max possible (the OS may ignore this)
-    if (defaultTargetPlatform == TargetPlatform.android) {
+    if (PlatformInfo.isAndroid) {
       await FlutterDisplayMode.setHighRefreshRate();
     }
 

lib/logic/common/platform_info.dart

@@ -9,6 +9,7 @@ class PlatformInfo {
   static const _mobilePlatforms = [TargetPlatform.android, TargetPlatform.iOS];
 
   static bool get isDesktop => _desktopPlatforms.contains(defaultTargetPlatform);
+  static bool get isDesktopOrWeb => isDesktop || kIsWeb;
   static bool get isMobile => _mobilePlatforms.contains(defaultTargetPlatform);
 
   static double get pixelRatio => WidgetsBinding.instance.window.devicePixelRatio;

lib/logic/data/unsplash_photo_data.dart

@@ -1,4 +1,3 @@
-import 'package:flutter/foundation.dart';
 import 'package:wonders/_tools/unsplash_download_service.dart';
 import 'package:wonders/logic/common/platform_info.dart';
 
@@ -27,10 +26,7 @@ class UnsplashPhotoData {
         size = 1200;
         break;
     }
-    bool isDesktop = defaultTargetPlatform == TargetPlatform.windows ||
-        defaultTargetPlatform == TargetPlatform.macOS ||
-        defaultTargetPlatform == TargetPlatform.linux;
-    if (PlatformInfo.pixelRatio >= 1.5 || isDesktop) {
+    if (PlatformInfo.pixelRatio >= 1.5 || PlatformInfo.isDesktop) {
       size *= 2;
     }
     return 'https://wonderous.info/unsplash/$id-$size.jpg';

lib/logic/settings_logic.dart

@@ -1,5 +1,5 @@
-import 'package:flutter/foundation.dart';
 import 'package:wonders/common_libs.dart';
+import 'package:wonders/logic/common/platform_info.dart';
 import 'package:wonders/logic/common/save_load_mixin.dart';
 
 class SettingsLogic with ThrottledSaveLoadMixin {
@@ -10,7 +10,7 @@ class SettingsLogic with ThrottledSaveLoadMixin {
   late final hasDismissedSearchMessage = ValueNotifier<bool>(false)..addListener(scheduleSave);
   late final currentLocale = ValueNotifier<String?>(null)..addListener(scheduleSave);
 
-  final bool useBlurs = defaultTargetPlatform != TargetPlatform.android;
+  final bool useBlurs = !PlatformInfo.isAndroid;
 
   @override
   void copyFromJson(Map<String, dynamic> value) {