testing multiwindow support

lib/event_widget.dart

@@ -0,0 +1,147 @@
+import 'package:desktop_multi_window/desktop_multi_window.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'dart:ui';
+
+class EventWidget extends StatefulWidget {
+  const EventWidget({Key? key, required this.controller}) : super(key: key);
+
+  final WindowController controller;
+
+  @override
+  State<EventWidget> createState() => _EventWidgetState();
+}
+
+class MessageItem {
+  const MessageItem({this.content, required this.from, required this.method});
+
+  final int from;
+  final dynamic content;
+  final String method;
+
+  @override
+  String toString() {
+    return '$method($from): $content';
+  }
+
+  @override
+  int get hashCode => Object.hash(from, content, method);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) {
+      return true;
+    }
+    if (other.runtimeType != runtimeType) {
+      return false;
+    }
+    final MessageItem typedOther = other as MessageItem;
+    return typedOther.from == from && typedOther.content == content;
+  }
+}
+
+class _EventWidgetState extends State<EventWidget> {
+  final messages = <MessageItem>[];
+
+  final textInputController = TextEditingController();
+
+  final windowInputController = TextEditingController();
+
+  @override
+  void initState() {
+    super.initState();
+    DesktopMultiWindow.setMethodHandler(_handleMethodCallback);
+  }
+
+  @override
+  dispose() {
+    DesktopMultiWindow.setMethodHandler(null);
+    super.dispose();
+  }
+
+  Future<dynamic> _handleMethodCallback(
+      MethodCall call, int fromWindowId) async {
+    if (call.arguments.toString() == "ping") {
+      return "pong";
+    }
+    setState(() {
+      messages.insert(
+        0,
+        MessageItem(
+          from: fromWindowId,
+          method: call.method,
+          content: call.arguments,
+        ),
+      );
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    void submit() async {
+      final text = textInputController.text;
+      if (text.isEmpty) {
+        return;
+      }
+      final windowId = int.tryParse(windowInputController.text);
+      textInputController.clear();
+      final result =
+          await DesktopMultiWindow.invokeMethod(windowId!, "onSend", text);
+      debugPrint("onSend result: $result");
+    }
+
+    return Column(
+      children: [
+        Expanded(
+          child: ListView.builder(
+            itemCount: messages.length,
+            reverse: true,
+            itemBuilder: (context, index) =>
+                _MessageItemWidget(item: messages[index]),
+          ),
+        ),
+        Row(
+          children: [
+            SizedBox(
+              width: 100,
+              child: TextField(
+                controller: windowInputController,
+                decoration: const InputDecoration(
+                  labelText: 'Window ID',
+                ),
+                inputFormatters: [FilteringTextInputFormatter.digitsOnly],
+              ),
+            ),
+            Expanded(
+              child: TextField(
+                controller: textInputController,
+                decoration: const InputDecoration(
+                  hintText: 'Enter message',
+                ),
+                onSubmitted: (text) => submit(),
+              ),
+            ),
+            IconButton(
+              icon: const Icon(Icons.send),
+              onPressed: submit,
+            ),
+          ],
+        ),
+      ],
+    );
+  }
+}
+
+class _MessageItemWidget extends StatelessWidget {
+  const _MessageItemWidget({Key? key, required this.item}) : super(key: key);
+
+  final MessageItem item;
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      title: Text("${item.method}(${item.from})"),
+      subtitle: Text(item.content.toString()),
+    );
+  }
+}

lib/main.dart

@@ -1,115 +1,129 @@
+import 'dart:convert';
+
+import 'package:collection/collection.dart';
+import 'package:desktop_lifecycle/desktop_lifecycle.dart';
+import 'package:desktop_multi_window/desktop_multi_window.dart';
 import 'package:flutter/material.dart';
+import 'package:atlantas_windows/event_widget.dart';
+import 'dart:ui';
 
-void main() {
-  runApp(const MyApp());
+void main(List<String> args) {
+  if (args.firstOrNull == 'multi_window') {
+    final windowId = int.parse(args[1]);
+    final argument = args[2].isEmpty
+        ? const {}
+        : jsonDecode(args[2]) as Map<String, dynamic>;
+    runApp(_ExampleSubWindow(
+      windowController: WindowController.fromWindowId(windowId),
+      args: argument,
+    ));
+  } else {
+    runApp(const _ExampleMainWindow());
+  }
 }
 
-class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+class _ExampleMainWindow extends StatefulWidget {
+  const _ExampleMainWindow({Key? key}) : super(key: key);
+
+  @override
+  State<_ExampleMainWindow> createState() => _ExampleMainWindowState();
+}
 
-  // This widget is the root of your application.
+class _ExampleMainWindowState extends State<_ExampleMainWindow> {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Flutter Demo',
-      theme: ThemeData(
-        // This is the theme of your application.
-        //
-        // Try running your application with "flutter run". You'll see the
-        // application has a blue toolbar. Then, without quitting the app, try
-        // changing the primarySwatch below to Colors.green and then invoke
-        // "hot reload" (press "r" in the console where you ran "flutter run",
-        // or simply save your changes to "hot reload" in a Flutter IDE).
-        // Notice that the counter didn't reset back to zero; the application
-        // is not restarted.
-        primarySwatch: Colors.blue,
+      home: Scaffold(
+        appBar: AppBar(
+          title: const Text('Plugin example app'),
+        ),
+        body: Column(
+          children: [
+            TextButton(
+              onPressed: () async {
+                final window =
+                    await DesktopMultiWindow.createWindow(jsonEncode({
+                  'args1': 'Sub window',
+                  'args2': 100,
+                  'args3': true,
+                  'bussiness': 'bussiness_test',
+                }));
+                window
+                  ..setFrame(const Offset(0, 0) & const Size(1280, 720))
+                  ..center()
+                  ..setTitle('Another window')
+                  ..show();
+              },
+              child: const Text('Create a new World!'),
+            ),
+            TextButton(
+              child: const Text('Send event to all sub windows'),
+              onPressed: () async {
+                final subWindowIds =
+                    await DesktopMultiWindow.getAllSubWindowIds();
+                for (final windowId in subWindowIds) {
+                  DesktopMultiWindow.invokeMethod(
+                    windowId,
+                    'broadcast',
+                    'Broadcast from main window',
+                  );
+                }
+              },
+            ),
+            Expanded(
+              child: EventWidget(controller: WindowController.fromWindowId(0)),
+            )
+          ],
+        ),
       ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
     );
   }
 }
 
-class MyHomePage extends StatefulWidget {
-  const MyHomePage({Key? key, required this.title}) : super(key: key);
-
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
+class _ExampleSubWindow extends StatelessWidget {
+  const _ExampleSubWindow({
+    Key? key,
+    required this.windowController,
+    required this.args,
+  }) : super(key: key);
 
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
-  final String title;
-
-  @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
+  final WindowController windowController;
+  final Map? args;
 
   @override
   Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
-    return Scaffold(
-      appBar: AppBar(
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
-        title: Text(widget.title),
-      ),
-      body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Invoke "debug painting" (press "p" in the console, choose the
-          // "Toggle Debug Paint" action from the Flutter Inspector in Android
-          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
-          // to see the wireframe for each widget.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
+    return MaterialApp(
+      home: Scaffold(
+        appBar: AppBar(
+          title: const Text('Plugin example app'),
+        ),
+        body: Column(
+          children: [
+            if (args != null)
+              Text(
+                'Arguments: ${args.toString()}',
+                style: const TextStyle(fontSize: 20),
+              ),
+            ValueListenableBuilder<bool>(
+              valueListenable: DesktopLifecycle.instance.isActive,
+              builder: (context, active, child) {
+                if (active) {
+                  return const Text('Window Active');
+                } else {
+                  return const Text('Window Inactive');
+                }
+              },
             ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headline4,
+            TextButton(
+              onPressed: () async {
+                windowController.close();
+              },
+              child: const Text('Close this window'),
             ),
+            Expanded(child: EventWidget(controller: windowController)),
           ],
         ),
       ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
     );
   }
 }

linux/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,14 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <desktop_lifecycle/desktop_lifecycle_plugin.h>
+#include <desktop_multi_window/desktop_multi_window_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) desktop_lifecycle_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "DesktopLifecyclePlugin");
+  desktop_lifecycle_plugin_register_with_registrar(desktop_lifecycle_registrar);
+  g_autoptr(FlPluginRegistrar) desktop_multi_window_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "DesktopMultiWindowPlugin");
+  desktop_multi_window_plugin_register_with_registrar(desktop_multi_window_registrar);
 }

linux/flutter/generated_plugins.cmake

@@ -3,6 +3,8 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  desktop_lifecycle
+  desktop_multi_window
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST