opt.: custom terminal emulator (#771)

lib/view/page/setting/entries/ssh.dart

@@ -9,6 +9,7 @@ extension _SSH on _AppSettingsPageState {
         _buildTermTheme(),
         _buildFont(),
         _buildTermFontSize(),
+        if (isDesktop) _buildDesktopTerminal(),
         _buildSSHVirtualKeyAutoOff(),
         if (isMobile) _buildSSHVirtKeys(),
       ].map((e) => CardX(child: e)).toList(),
@@ -37,15 +38,10 @@ extension _SSH on _AppSettingsPageState {
     return ListTile(
       leading: const Icon(MingCute.font_fill),
       title: Text(l10n.font),
-      trailing: _setting.fontPath.listenable().listenVal(
-        (val) {
-          final fontName = val.getFileName();
-          return Text(
-            fontName ?? libL10n.empty,
-            style: UIs.text15,
-          );
-        },
-      ),
+      trailing: _setting.fontPath.listenable().listenVal((val) {
+        final fontName = val.getFileName();
+        return Text(fontName ?? libL10n.empty, style: UIs.text15);
+      }),
       onTap: () {
         context.showRoundDialog(
           title: l10n.font,
@@ -61,7 +57,7 @@ extension _SSH on _AppSettingsPageState {
                 RNodes.app.notify();
               },
               child: Text(libL10n.clear),
-            )
+            ),
           ],
         );
       },
@@ -85,6 +81,42 @@ extension _SSH on _AppSettingsPageState {
     RNodes.app.notify();
   }
 
+  Widget _buildDesktopTerminal() {
+    return _setting.desktopTerminal.listenable().listenVal((val) {
+      return ListTile(
+        leading: const Icon(Icons.terminal),
+        title: TipText(l10n.terminal, l10n.desktopTerminalTip),
+        trailing: Text(
+          val,
+          style: UIs.text15,
+          maxLines: 1,
+          overflow: TextOverflow.ellipsis,
+        ),
+        onTap: () async {
+          final ctrl = TextEditingController(text: val);
+          void onSave() {
+            _setting.desktopTerminal.put(ctrl.text.trim());
+            context.pop();
+          }
+
+          context.showRoundDialog<bool>(
+            title: libL10n.select,
+            child: Input(
+              controller: ctrl,
+              autoFocus: true,
+              label: l10n.terminal,
+              hint: 'x-terminal-emulator / gnome-terminal',
+              icon: Icons.edit,
+              suggestion: false,
+              onSubmitted: (_) => onSave(),
+            ),
+            actions: Btn.ok(onTap: onSave).toList,
+          );
+        },
+      );
+    });
+  }
+
   Widget _buildTermTheme() {
     String index2Str(int index) {
       switch (index) {
@@ -104,10 +136,7 @@ extension _SSH on _AppSettingsPageState {
       title: Text(l10n.theme),
       trailing: ValBuilder(
         listenable: _setting.termTheme.listenable(),
-        builder: (val) => Text(
-          index2Str(val),
-          style: UIs.text15,
-        ),
+        builder: (val) => Text(index2Str(val), style: UIs.text15),
       ),
       onTap: () async {
         final selected = await context.showPickSingleDialog(
@@ -140,7 +169,9 @@ extension _SSH on _AppSettingsPageState {
       //   style: UIs.textGrey,
       // ),
       title: TipText(
-          l10n.letterCache, '${l10n.letterCacheTip}\n${l10n.needRestart}'),
+        l10n.letterCache,
+        '${l10n.letterCacheTip}\n${l10n.needRestart}',
+      ),
       trailing: StoreSwitch(prop: _setting.letterCache),
     );
   }

lib/view/widget/server_func_btns.dart

@@ -22,10 +22,7 @@ import 'package:server_box/view/page/systemd.dart';
 class ServerFuncBtnsTopRight extends StatelessWidget {
   final Spi spi;
 
-  const ServerFuncBtnsTopRight({
-    super.key,
-    required this.spi,
-  });
+  const ServerFuncBtnsTopRight({super.key, required this.spi});
 
   @override
   Widget build(BuildContext context) {
@@ -38,10 +35,7 @@ class ServerFuncBtnsTopRight extends StatelessWidget {
 }
 
 class ServerFuncBtns extends StatelessWidget {
-  const ServerFuncBtns({
-    super.key,
-    required this.spi,
-  });
+  const ServerFuncBtns({super.key, required this.spi});
 
   final Spi spi;
 
@@ -86,7 +80,7 @@ class ServerFuncBtns extends StatelessWidget {
             padding: EdgeInsets.zero,
             icon: Icon(e.icon, size: 17),
           ),
-          Text(e.toStr, style: UIs.text11Grey)
+          Text(e.toStr, style: UIs.text11Grey),
         ],
       ),
     );
@@ -107,11 +101,7 @@ class ServerFuncBtns extends StatelessWidget {
   }
 }
 
-void _onTapMoreBtns(
-  ServerFuncBtn value,
-  Spi spi,
-  BuildContext context,
-) async {
+void _onTapMoreBtns(ServerFuncBtn value, Spi spi, BuildContext context) async {
   // final isMobile = ResponsiveBreakpoints.of(context).isMobile;
   switch (value) {
     // case ServerFuncBtn.pkg:
@@ -153,16 +143,8 @@ void _onTapMoreBtns(
       final fmted = snippet.fmtWithSpi(spi);
       final sure = await context.showRoundDialog<bool>(
         title: libL10n.attention,
-        child: SingleChildScrollView(
-          child: SimpleMarkdown(data: '```shell\n$fmted\n```'),
-        ),
-        actions: [
-          CountDownBtn(
-            onTap: () => context.pop(true),
-            text: l10n.run,
-            afterColor: Colors.red,
-          ),
-        ],
+        child: SingleChildScrollView(child: SimpleMarkdown(data: '```shell\n$fmted\n```')),
+        actions: [CountDownBtn(onTap: () => context.pop(true), text: l10n.run, afterColor: Colors.red)],
       );
       if (sure != true) return;
       if (!_checkClient(context, spi.id)) return;
@@ -178,13 +160,13 @@ void _onTapMoreBtns(
     case ServerFuncBtn.container:
       if (!_checkClient(context, spi.id)) return;
       final args = SpiRequiredArgs(spi);
-      if (isMobile) {
-        ContainerPage.route.go(context, args);
-      } else {
-        SplitViewNavigator.of(context)?.replace(
-          ContainerPage.route.toWidget(args: args),
-        );
-      }
+      // if (isMobile) {
+      ContainerPage.route.go(context, args);
+      // } else {
+      //   SplitViewNavigator.of(
+      //     context,
+      //   )?.replace(ContainerPage.route.toWidget(args: args));
+      // }
       break;
     case ServerFuncBtn.process:
       if (!_checkClient(context, spi.id)) return;
@@ -260,7 +242,23 @@ void _gotoSSH(Spi spi, BuildContext context) async {
       await Process.start('cmd', ['/c', 'start'] + sshCommand);
       break;
     case Pfs.linux:
-      await Process.start('x-terminal-emulator', ['-e'] + sshCommand);
+      final scriptFile = File('${Directory.systemTemp.path}/srvbox_launch_term.sh');
+      await scriptFile.writeAsString(_runEmulatorShell);
+
+      if (Platform.isLinux || Platform.isMacOS) {
+        await Process.run('chmod', ['+x', scriptFile.path]);
+      }
+
+      try {
+        var terminal = Stores.setting.desktopTerminal.fetch();
+        if (terminal.isEmpty) terminal = 'x-terminal-emulator';
+
+        await Process.start(scriptFile.path, [terminal, ...sshCommand]);
+      } catch (e, s) {
+        context.showErrDialog(e, s, l10n.emulator);
+      } finally {
+        await scriptFile.delete();
+      }
       break;
     default:
       context.showSnackBar('Mismatch system: $system');
@@ -280,3 +278,62 @@ bool _checkClient(BuildContext context, String id) {
   }
   return true;
 }
+
+const _runEmulatorShell = '''
+#!/bin/sh
+# launch_terminal.sh
+
+TERMINAL="\$1"
+shift  # Remove the first argument (terminal name)
+
+# Auto detect terminal if not provided
+if [ -z "\$TERMINAL" ] || [ "\$TERMINAL" = "x-terminal-emulator" ]; then
+    # Follow the order of preference
+    for term in kitty alacritty gnome-terminal konsole xfce4-terminal terminator tilix wezterm foot; do
+        if command -v "\$term" >/dev/null 2>&1; then
+            TERMINAL="\$term"
+            break
+        fi
+    done
+
+    [ -z "\$TERMINAL" ] && TERMINAL="x-terminal-emulator"
+fi
+
+case "\$TERMINAL" in
+    gnome-terminal)
+        exec "\$TERMINAL" -- "\$@"
+        ;;
+    konsole|terminator|tilix)
+        exec "\$TERMINAL" -e "\$@"
+        ;;
+    xfce4-terminal)
+        exec "\$TERMINAL" -e "\$*"
+        ;;
+    alacritty)
+        # Check alacritty version
+        if "\$TERMINAL" --version 2>&1 | grep -q "alacritty 0\\.1[3-9]"; then
+            # 0.13.0+
+            exec "\$TERMINAL" --command "\$@"
+        else
+            # Old versions
+            exec "\$TERMINAL" -e "\$@"
+        fi
+        ;;
+    kitty)
+        exec "\$TERMINAL" "\$@"
+        ;;
+    wezterm)
+        exec "\$TERMINAL" start -- "\$@"
+        ;;
+    foot)
+        exec "\$TERMINAL" "\$@"
+        ;;
+    urxvt|rxvt-unicode)
+        exec "\$TERMINAL" -e "\$@"
+        ;;
+    x-terminal-emulator|*)
+        # Default
+        exec "\$TERMINAL" -e "\$@"
+        ;;
+esac
+''';