add linux mobile mode toggle

lib/models/settings.dart

@@ -8,6 +8,7 @@ abstract class Settings with _$Settings {
   const factory Settings({
     @Default(ThemeMode.system) ThemeMode theme,
     @Default(true) bool useDynamicTheming,
+    @Default(false) bool linuxMobileMode,
   }) = _Settings;
 
   factory Settings.fromJson(Map<String, Object?> json) =>

lib/pages/settings_page.dart

@@ -77,6 +77,30 @@ class SettingsPage extends ConsumerWidget {
                 ),
               ]),
             ),
+            .new(
+              title: "Behavior",
+              icon: Icons.psychology,
+              settings: .new([
+                Setting(
+                  title: "Linux Mobile Mode",
+                  description:
+                      "Enables some fixes for Linux mobile, e.g. disabling dragging appbar for moving window.",
+                  icon: Icons.construction,
+                  builder: (title, description, icon) => SwitchListTile(
+                    title: Text(title),
+                    subtitle: Text(description),
+                    secondary: Icon(icon),
+                    value: settings.linuxMobileMode,
+                    onChanged: Platform.isLinux
+                        ? (value) => ref
+                              .watch(SettingsController.provider.notifier)
+                              .set(settings.copyWith(linuxMobileMode: value))
+                              .onError(showError)
+                        : null,
+                  ),
+                ),
+              ]),
+            ),
           ]),
         });
 

lib/widgets/appbar.dart

@@ -1,9 +1,11 @@
 import "dart:io";
 import "package:fast_immutable_collections/fast_immutable_collections.dart";
 import "package:flutter/material.dart";
+import "package:hooks_riverpod/hooks_riverpod.dart";
+import "package:nexus/controllers/settings_controller.dart";
 import "package:window_manager/window_manager.dart";
 
-class Appbar extends StatelessWidget implements PreferredSizeWidget {
+class Appbar extends ConsumerWidget implements PreferredSizeWidget {
   final Widget? leading;
   final Widget? title;
   final Color? backgroundColor;
@@ -25,7 +27,7 @@ class Appbar extends StatelessWidget implements PreferredSizeWidget {
   Size get preferredSize => const .fromHeight(kToolbarHeight);
 
   @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context, WidgetRef ref) {
     Future<void> maximize() async {
       final isMaximized = await windowManager.isMaximized();
 
@@ -37,7 +39,13 @@ class Appbar extends StatelessWidget implements PreferredSizeWidget {
     }
 
     return GestureDetector(
-      onPanStart: (_) => windowManager.startDragging(),
+      onPanStart: ref
+          .watch(SettingsController.provider)
+          .whenOrNull(
+            data: (settings) => settings.linuxMobileMode
+                ? null
+                : (_) => windowManager.startDragging(),
+          ),
       child: AppBar(
         leading: InkWell(onTap: onTap, child: leading),
         backgroundColor: backgroundColor,