ssh: support copy/paste, fix ios backspace

ios/Runner.xcodeproj/project.pbxproj

@@ -356,7 +356,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 205;
+				CURRENT_PROJECT_VERSION = 208;
 				DEVELOPMENT_TEAM = BA88US33G6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
@@ -364,7 +364,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.0.205;
+				MARKETING_VERSION = 1.0.208;
 				PRODUCT_BUNDLE_IDENTIFIER = com.lollipopkit.toolbox;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
@@ -486,7 +486,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 205;
+				CURRENT_PROJECT_VERSION = 208;
 				DEVELOPMENT_TEAM = BA88US33G6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
@@ -494,7 +494,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.0.205;
+				MARKETING_VERSION = 1.0.208;
 				PRODUCT_BUNDLE_IDENTIFIER = com.lollipopkit.toolbox;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
@@ -510,7 +510,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 205;
+				CURRENT_PROJECT_VERSION = 208;
 				DEVELOPMENT_TEAM = BA88US33G6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
@@ -518,7 +518,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.0.205;
+				MARKETING_VERSION = 1.0.208;
 				PRODUCT_BUNDLE_IDENTIFIER = com.lollipopkit.toolbox;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";

lib/app.dart

@@ -73,9 +73,7 @@ class MyApp extends StatelessWidget {
               colorScheme: ColorScheme.fromSwatch(
                   primarySwatch: primaryColor.materialColor,
                   brightness: Brightness.dark,
-              accentColor: primaryColor
+                  accentColor: primaryColor)),
-            )
-          ),
           home: const MyHomePage(),
         );
       },

lib/core/utils/misc.dart

@@ -1,5 +1,6 @@
 import 'dart:io';
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
 import 'package:share_plus/share_plus.dart';
 
@@ -21,3 +22,16 @@ Future<bool> shareFiles(BuildContext context, List<String> filePaths) async {
   await Share.shareXFiles(xfiles, text: 'ServerBox -> $text');
   return filePaths.isNotEmpty;
 }
+
+bool get longPressEnabled {
+  switch (defaultTargetPlatform) {
+    case TargetPlatform.android:
+    case TargetPlatform.iOS:
+      return true;
+    case TargetPlatform.macOS:
+    case TargetPlatform.fuchsia:
+    case TargetPlatform.linux:
+    case TargetPlatform.windows:
+      return false;
+  }
+}

lib/data/model/ssh/virtual_key.dart

@@ -2,14 +2,14 @@ import 'package:flutter/material.dart';
 import 'package:xterm/core.dart';
 
 class VirtualKey {
-  final TerminalKey key;
   final String text;
   final bool toggleable;
+  final TerminalKey? key;
   final IconData? icon;
-  final VirtualKeyType? extFunc;
+  final VirtualKeyFunc? func;
 
-  VirtualKey(this.key, this.text,
+  VirtualKey(this.text,
-      {this.toggleable = false, this.icon, this.extFunc});
+      {this.key, this.toggleable = false, this.icon, this.func});
 }
 
-enum VirtualKeyType { toggleIME, backspace }
+enum VirtualKeyFunc { toggleIME, backspace, copy, paste }

lib/data/res/build_data.dart

@@ -2,9 +2,9 @@
 
 class BuildData {
   static const String name = "ServerBox";
-  static const int build = 206;
+  static const int build = 208;
   static const String engine =
       "Flutter 3.7.0 • channel stable • https://github.com/flutter/flutter.git\nFramework • revision b06b8b2710 (8 days ago) • 2023-01-23 16:55:55 -0800\nEngine • revision b24591ed32\nTools • Dart 2.19.0 • DevTools 2.20.1\n";
-  static const String buildAt = "2023-02-01 17:24:19.787396";
+  static const String buildAt = "2023-02-01 18:33:57.761096";
   static const int modifications = 4;
 }

lib/data/res/virtual_key.dart

@@ -3,19 +3,27 @@ import 'package:xterm/core.dart';
 
 import '../model/ssh/virtual_key.dart';
 
-var virtualKeys = [
+final virtualKeys = [
-  VirtualKey(TerminalKey.escape, 'Esc'),
+  VirtualKey('Esc', key: TerminalKey.escape),
-  VirtualKey(TerminalKey.alt, 'Alt', toggleable: true),
+  VirtualKey('Alt', key: TerminalKey.alt, toggleable: true),
-  VirtualKey(TerminalKey.home, 'Home'),
+  VirtualKey('Home', key: TerminalKey.home),
-  VirtualKey(TerminalKey.arrowUp, 'Up', icon: Icons.arrow_upward),
+  VirtualKey('Up', key: TerminalKey.arrowUp, icon: Icons.arrow_upward),
-  VirtualKey(TerminalKey.end, 'End'),
+  VirtualKey('End', key: TerminalKey.end),
-  VirtualKey(TerminalKey.backspace, 'Backspace',
+  VirtualKey(
-      extFunc: VirtualKeyType.backspace, icon: Icons.backspace),
+    'Copy',
-  VirtualKey(TerminalKey.tab, 'Tab'),
+    func: VirtualKeyFunc.copy,
-  VirtualKey(TerminalKey.control, 'Ctrl', toggleable: true),
+    icon: Icons.copy,
-  VirtualKey(TerminalKey.arrowLeft, 'Left', icon: Icons.arrow_back),
+  ),
-  VirtualKey(TerminalKey.arrowDown, 'Down', icon: Icons.arrow_downward),
+  VirtualKey('Backspace', func: VirtualKeyFunc.backspace, icon: Icons.backspace,),
-  VirtualKey(TerminalKey.arrowRight, 'Right', icon: Icons.arrow_forward),
+  VirtualKey('Tab', key: TerminalKey.tab),
-  VirtualKey(TerminalKey.none, 'IME',
+  VirtualKey('Ctrl', key: TerminalKey.control, toggleable: true),
-      extFunc: VirtualKeyType.toggleIME, icon: Icons.keyboard_hide),
+  VirtualKey('Left', key: TerminalKey.arrowLeft, icon: Icons.arrow_back),
+  VirtualKey('Down', key: TerminalKey.arrowDown, icon: Icons.arrow_downward),
+  VirtualKey('Right', key: TerminalKey.arrowRight, icon: Icons.arrow_forward),
+  VirtualKey(
+    'Paste',
+    func: VirtualKeyFunc.paste,
+    icon: Icons.paste,
+  ),
+  VirtualKey('IME', func: VirtualKeyFunc.toggleIME, icon: Icons.keyboard_hide,),
 ];

lib/view/page/pkg.dart

@@ -144,8 +144,7 @@ class _PkgManagePageState extends State<PkgManagePage>
               ConstrainedBox(
                 constraints: BoxConstraints(
                     maxHeight: _media.size.height * 0.3,
-                  minWidth: _media.size.width
+                    minWidth: _media.size.width),
-                ),
                 child: Padding(
                   padding: const EdgeInsets.all(17),
                   child: RoundRectCard(

lib/view/page/ssh.dart

@@ -1,11 +1,11 @@
 import 'dart:convert';
+import 'dart:io';
 
 import 'package:dartssh2/dartssh2.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
-import 'package:toolbox/data/res/color.dart';
 import 'package:xterm/xterm.dart';
 
 import '../../core/utils/ui.dart';
@@ -13,6 +13,7 @@ import '../../core/utils/server.dart';
 import '../../data/model/server/server_private_info.dart';
 import '../../data/model/ssh/virtual_key.dart';
 import '../../data/provider/virtual_keyboard.dart';
+import '../../data/res/color.dart';
 import '../../data/res/terminal_theme.dart';
 import '../../data/res/virtual_key.dart';
 import '../../locator.dart';
@@ -26,11 +27,12 @@ class SSHPage extends StatefulWidget {
 }
 
 class _SSHPageState extends State<SSHPage> {
-  late final terminal = Terminal(inputHandler: keyboard);
+  late final _terminal = Terminal(inputHandler: _keyboard);
-  SSHClient? client;
+  SSHClient? _client;
-  final keyboard = locator<VirtualKeyboard>();
+  final _keyboard = locator<VirtualKeyboard>();
   late MediaQueryData _media;
   final _virtualKeyboardHeight = 57.0;
+  final TerminalController _terminalController = TerminalController();
 
   var isDark = false;
 
@@ -49,39 +51,39 @@ class _SSHPageState extends State<SSHPage> {
 
   @override
   void dispose() {
-    client?.close();
+    _client?.close();
     super.dispose();
   }
 
   Future<void> initTerminal() async {
-    terminal.write('Connecting...\r\n');
+    _terminal.write('Connecting...\r\n');
 
-    client = await genClient(widget.spi);
+    _client = await genClient(widget.spi);
-    terminal.write('Connected\r\n');
+    _terminal.write('Connected\r\n');
 
-    final session = await client!.shell(
+    final session = await _client!.shell(
       pty: SSHPtyConfig(
-        width: terminal.viewWidth,
+        width: _terminal.viewWidth,
-        height: terminal.viewHeight,
+        height: _terminal.viewHeight,
       ),
     );
 
-    terminal.buffer.clear();
+    _terminal.buffer.clear();
-    terminal.buffer.setCursor(0, 0);
+    _terminal.buffer.setCursor(0, 0);
 
-    terminal.onOutput = (data) {
+    _terminal.onOutput = (data) {
       session.write(utf8.encode(data) as Uint8List);
     };
 
     session.stdout
         .cast<List<int>>()
         .transform(const Utf8Decoder())
-        .listen(terminal.write);
+        .listen(_terminal.write);
 
     session.stderr
         .cast<List<int>>()
         .transform(const Utf8Decoder())
-        .listen(terminal.write);
+        .listen(_terminal.write);
 
     await session.done;
     if (mounted) {
@@ -100,9 +102,12 @@ class _SSHPageState extends State<SSHPage> {
             _media.padding.bottom -
             _media.padding.top,
         child: TerminalView(
-          terminal,
+            _terminal,
+            controller: _terminalController,
             keyboardType: TextInputType.visiblePassword,
             theme: termTheme,
+            deleteDetection: Platform.isIOS,
+            autofocus: true,
             keyboardAppearance: isDark ? Brightness.dark : Brightness.light,
           ),
       ),
@@ -141,10 +146,10 @@ class _SSHPageState extends State<SSHPage> {
     var selected = false;
     switch (item.key) {
       case TerminalKey.control:
-        selected = keyboard.ctrl;
+        selected = _keyboard.ctrl;
         break;
       case TerminalKey.alt:
-        selected = keyboard.alt;
+        selected = _keyboard.alt;
         break;
       default:
         break;
@@ -165,32 +170,7 @@ class _SSHPageState extends State<SSHPage> {
           );
 
     return InkWell(
-      onTap: () {
+      onTap: () => _doVirtualKey(item),
-        if (item.extFunc != null) {
-          switch (item.extFunc!) {
-            case VirtualKeyType.toggleIME:
-              FocusScope.of(context).requestFocus(FocusNode());
-              break;
-            case VirtualKeyType.backspace:
-              terminal.keyInput(TerminalKey.backspace);
-              break;
-          }
-          return;
-        }
-        switch (item.key) {
-          case TerminalKey.control:
-            keyboard.ctrl = !keyboard.ctrl;
-            setState(() {});
-            break;
-          case TerminalKey.alt:
-            keyboard.alt = !keyboard.alt;
-            setState(() {});
-            break;
-          default:
-            terminal.keyInput(item.key);
-            break;
-        }
-      },
       child: SizedBox(
         width: _media.size.width / (virtualKeys.length / 2),
         height: _virtualKeyboardHeight / 2,
@@ -200,4 +180,53 @@ class _SSHPageState extends State<SSHPage> {
       ),
     );
   }
+
+  void _doVirtualKey(VirtualKey item) {
+    if (item.func != null) {
+      _doVirtualKeyFunc(item.func!);
+      return;
+    }
+    if (item.key != null) {
+      _doVirtualKeyInput(item.key!);
+    }
+  }
+
+  void _doVirtualKeyInput(TerminalKey key) {
+    switch (key) {
+      case TerminalKey.control:
+        _keyboard.ctrl = !_keyboard.ctrl;
+        setState(() {});
+        break;
+      case TerminalKey.alt:
+        _keyboard.alt = !_keyboard.alt;
+        setState(() {});
+        break;
+      default:
+        _terminal.keyInput(key);
+        break;
+    }
+  }
+
+  void _doVirtualKeyFunc(VirtualKeyFunc type) {
+    switch (type) {
+      case VirtualKeyFunc.toggleIME:
+        FocusScope.of(context).requestFocus(FocusNode());
+        break;
+      case VirtualKeyFunc.backspace:
+        _terminal.keyInput(TerminalKey.backspace);
+        break;
+      case VirtualKeyFunc.paste:
+        Clipboard.getData(Clipboard.kTextPlain).then((value) {
+          if (value != null) {
+            _terminal.textInput(value.text!);
+          }
+        });
+        break;
+      case VirtualKeyFunc.copy:
+        final range = _terminalController.selection;
+        final text = _terminal.buffer.getText(range);
+        Clipboard.setData(ClipboardData(text: text));
+        break;
+    }
+  }
 }