✨ Adaptive app bar leading

lib/screens/articles/article_editor.dart

@@ -130,7 +130,7 @@ class _ArticlePublishScreenState extends State<ArticlePublishScreen> {
       color: Theme.of(context).colorScheme.surface,
       child: Scaffold(
         appBar: AppBar(
-          leading: const AppBarLeadingButton(),
+          leading: AppBarLeadingButton.adaptive(context),
           title: AppBarTitle('articlePublish'.tr),
           centerTitle: false,
           toolbarHeight: SolianTheme.toolbarHeight(context),

lib/screens/channel/call/call.dart

@@ -56,7 +56,7 @@ class _CallScreenState extends State<CallScreen> {
       color: Theme.of(context).colorScheme.surface,
       child: Scaffold(
         appBar: AppBar(
-          leading: const AppBarLeadingButton(),
+          leading: AppBarLeadingButton.adaptive(context),
           centerTitle: true,
           toolbarHeight: SolianTheme.toolbarHeight(context),
           title: RichText(

lib/screens/channel/channel_chat.dart

@@ -193,7 +193,7 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
 
     return Scaffold(
       appBar: AppBar(
-        leading: const AppBarLeadingButton(),
+        leading: AppBarLeadingButton.adaptive(context),
         title: AppBarTitle(title),
         centerTitle: false,
         titleSpacing: SolianTheme.titleSpacing(context),

lib/screens/chat.dart

@@ -44,7 +44,7 @@ class _ChatScreenState extends State<ChatScreen> {
       color: Theme.of(context).colorScheme.surface,
       child: Scaffold(
         appBar: AppBar(
-          leading: const AppBarLeadingButton(),
+          leading: AppBarLeadingButton.adaptive(context),
           title: AppBarTitle('chat'.tr),
           centerTitle: false,
           toolbarHeight: SolianTheme.toolbarHeight(context),

lib/screens/feed/draft_box.dart

@@ -63,7 +63,7 @@ class _DraftBoxScreenState extends State<DraftBoxScreen> {
       color: Theme.of(context).colorScheme.surface,
       child: Scaffold(
         appBar: AppBar(
-          leading: const AppBarLeadingButton(),
+          leading: AppBarLeadingButton.adaptive(context),
           title: AppBarTitle('draftBox'.tr),
           centerTitle: false,
           toolbarHeight: SolianTheme.toolbarHeight(context),

lib/screens/home.dart

@@ -64,7 +64,7 @@ class _HomeScreenState extends State<HomeScreen> {
                 centerTitle: false,
                 floating: true,
                 toolbarHeight: SolianTheme.toolbarHeight(context),
-                leading: const AppBarLeadingButton(),
+                leading: AppBarLeadingButton.adaptive(context),
                 actions: [
                   const BackgroundStateWidget(),
                   const NotificationButton(),

lib/screens/posts/post_editor.dart

@@ -134,7 +134,7 @@ class _PostPublishScreenState extends State<PostPublishScreen> {
       color: Theme.of(context).colorScheme.surface,
       child: Scaffold(
         appBar: AppBar(
-          leading: const AppBarLeadingButton(),
+          leading: AppBarLeadingButton.adaptive(context),
           title: AppBarTitle('postPublish'.tr),
           centerTitle: false,
           toolbarHeight: SolianTheme.toolbarHeight(context),

lib/screens/realms.dart

@@ -59,7 +59,7 @@ class _RealmListScreenState extends State<RealmListScreen> {
       color: Theme.of(context).colorScheme.surface,
       child: Scaffold(
         appBar: AppBar(
-          leading: const AppBarLeadingButton(),
+          leading: AppBarLeadingButton.adaptive(context),
           title: AppBarTitle('realm'.tr),
           centerTitle: false,
           toolbarHeight: SolianTheme.toolbarHeight(context),

lib/screens/realms/realm_organize.dart

@@ -99,7 +99,7 @@ class _RealmOrganizeScreenState extends State<RealmOrganizeScreen> {
       color: Theme.of(context).colorScheme.surface,
       child: Scaffold(
         appBar: AppBar(
-          leading: const AppBarLeadingButton(),
+          leading: AppBarLeadingButton.adaptive(context),
           title: AppBarTitle('realmOrganizing'.tr),
           centerTitle: false,
           toolbarHeight: SolianTheme.toolbarHeight(context),

lib/screens/realms/realm_view.dart

@@ -91,7 +91,7 @@ class _RealmViewScreenState extends State<RealmViewScreen> {
                 handle:
                     NestedScrollView.sliverOverlapAbsorberHandleFor(context),
                 sliver: SliverAppBar(
-                  leading: const AppBarLeadingButton(),
+                  leading: AppBarLeadingButton.adaptive(context),
                   title: Text(_realm?.name ?? 'loading'.tr),
                   centerTitle: false,
                   actions: [

lib/shells/centered_shell.dart

@@ -22,7 +22,7 @@ class CenteredShell extends StatelessWidget {
     return Scaffold(
       appBar: showAppBar
           ? AppBar(
-              leading: const AppBarLeadingButton(),
+              leading: AppBarLeadingButton.adaptive(context),
               title: AppBarTitle(state.topRoute?.name?.tr ?? 'page'.tr),
               centerTitle: false,
               toolbarHeight: SolianTheme.toolbarHeight(context),

lib/shells/sidebar_shell.dart

@@ -44,7 +44,7 @@ class SidebarShell extends StatelessWidget {
     return Scaffold(
       appBar: showAppBar
           ? AppBar(
-              leading: const AppBarLeadingButton(),
+              leading: AppBarLeadingButton.adaptive(context),
               title: AppBarTitle(state.topRoute?.name?.tr ?? 'page'.tr),
               centerTitle: false,
               toolbarHeight: SolianTheme.toolbarHeight(context),

lib/shells/title_shell.dart

@@ -22,7 +22,7 @@ class TitleShell extends StatelessWidget {
     return Scaffold(
       appBar: showAppBar
           ? AppBar(
-              leading: const AppBarLeadingButton(),
+              leading: AppBarLeadingButton.adaptive(context),
               title: AppBarTitle(state.topRoute?.name?.tr ?? 'page'.tr),
               centerTitle: false,
               toolbarHeight: SolianTheme.toolbarHeight(context),

lib/widgets/app_bar_leading.dart

@@ -4,6 +4,12 @@ import 'package:solian/shells/root_shell.dart';
 class AppBarLeadingButton extends StatelessWidget {
   const AppBarLeadingButton({super.key});
 
+  static Widget? adaptive(BuildContext context) {
+    final hasContent =
+        Navigator.canPop(context) || rootScaffoldKey.currentState!.hasDrawer;
+    return hasContent ? const AppBarLeadingButton() : null;
+  }
+
   @override
   Widget build(BuildContext context) {
     if (Navigator.canPop(context)) {