opt.: ssh

lib/view/page/home/home.dart

@@ -138,6 +138,7 @@ class _HomePageState extends State<HomePage>
       body: PageView.builder(
         controller: _pageController,
         itemCount: AppTab.values.length,
+        physics: const NeverScrollableScrollPhysics(),
         itemBuilder: (_, index) => AppTab.values[index].page,
         onPageChanged: (value) {
           if (!_switchingPage) {

lib/view/page/ssh/page.dart

@@ -54,6 +54,7 @@ class _SSHPageState extends State<SSHPage> with AutomaticKeepAliveClientMixin {
   late final _terminal = Terminal(inputHandler: _keyboard);
   final TerminalController _terminalController = TerminalController();
   final List<List<VirtKey>> _virtKeysList = [];
+  final _focus = FocusNode();
 
   late MediaQueryData _media;
   late TerminalStyle _terminalStyle;
@@ -73,6 +74,7 @@ class _SSHPageState extends State<SSHPage> with AutomaticKeepAliveClientMixin {
     _initVirtKeys();
 
     Future.delayed(const Duration(milliseconds: 77), () async {
+      _showHelp();
       await _initTerminal();
     });
   }
@@ -137,6 +139,7 @@ class _SSHPageState extends State<SSHPage> with AutomaticKeepAliveClientMixin {
         child: TerminalView(
           _terminal,
           controller: _terminalController,
+          focusNode: _focus,
           keyboardType: TextInputType.text,
           enableSuggestions: true,
           textStyle: _terminalStyle,
@@ -264,7 +267,11 @@ class _SSHPageState extends State<SSHPage> with AutomaticKeepAliveClientMixin {
   Future<void> _doVirtualKeyFunc(VirtualKeyFunc type) async {
     switch (type) {
       case VirtualKeyFunc.toggleIME:
-        FocusScope.of(context).requestFocus(FocusNode());
+        if (!_focus.hasFocus) {
+          _focus.requestFocus();
+        } else {
+          _focus.unfocus();
+        }
         break;
       case VirtualKeyFunc.backspace:
         _terminal.keyInput(TerminalKey.backspace);
@@ -488,6 +495,24 @@ class _SSHPageState extends State<SSHPage> with AutomaticKeepAliveClientMixin {
 
     _terminalStyle = TerminalStyle.fromTextStyle(textStyle);
   }
+
+  Future<void> _showHelp() async {
+    if (!Stores.setting.sshTermHelpShown.fetch()) {
+      await context.showRoundDialog(
+        title: Text(l10n.doc),
+        child: Text(l10n.sshTermHelp),
+        actions: [
+          TextButton(
+            onPressed: () {
+              Stores.setting.sshTermHelpShown.put(true);
+              context.pop();
+            },
+            child: Text(l10n.noPromptAgain),
+          ),
+        ],
+      );
+    }
+  }
 }
 
 Future<void> _onStart(ServiceInstance service) async {}