add file drop

lib/main.dart

@@ -31,9 +31,7 @@ class MyApp extends StatelessWidget {
     return MaterialApp(
       debugShowCheckedModeBanner: false,
       title: 'Odin',
-      theme: ThemeData(
-        primarySwatch: Colors.blue,
-      ),
+      theme: ThemeData.dark(),
       home: const HomePage(),
     );
   }

lib/pages/home_page.dart

@@ -1,12 +1,21 @@
+import 'package:desktop_drop/desktop_drop.dart';
 import 'package:flutter/material.dart';
 import 'package:odin/widgets/window_top_bar.dart';
 
 const backgroundStartColor = Color(0x55121212);
 const backgroundEndColor = Color(0x55202020);
 
-class HomePage extends StatelessWidget {
+class HomePage extends StatefulWidget {
   const HomePage({Key? key}) : super(key: key);
 
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  final List<Uri> _list = [];
+  bool _dragging = false;
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -20,9 +29,44 @@ class HomePage extends StatelessWidget {
           ),
         ),
         child: Stack(
-          children: const [
-            SizedBox.expand(),
-            WindowTopBar(),
+          children: [
+            DropTarget(
+              onDragDone: (detail) {
+                setState(() {
+                  _list.addAll(detail.urls);
+                });
+              },
+              onDragEntered: (detail) {
+                setState(() {
+                  _dragging = true;
+                });
+              },
+              onDragExited: (detail) {
+                setState(() {
+                  _dragging = false;
+                });
+              },
+              child: SizedBox.expand(
+                child: AnimatedContainer(
+                  duration: const Duration(milliseconds: 300),
+                  curve: Curves.easeOut,
+                  color: _dragging
+                      ? Colors.blue.withOpacity(0.2)
+                      : Colors.transparent,
+                  child: Center(
+                    child: Text(
+                      _list.isEmpty ? 'Drop a file to start' : _list.join("\n"),
+                      style: TextStyle(
+                        fontSize: 12,
+                        fontWeight: FontWeight.w100,
+                        color: Colors.white.withOpacity(0.3),
+                      ),
+                    ),
+                  ),
+                ),
+              ),
+            ),
+            const WindowTopBar(),
           ],
         ),
       ),

pubspec.lock

@@ -85,6 +85,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.4"
+  desktop_drop:
+    dependency: "direct main"
+    description:
+      name: desktop_drop
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2"
   fake_async:
     dependency: transitive
     description:

pubspec.yaml

@@ -36,6 +36,7 @@ dependencies:
   cupertino_icons: ^1.0.2
   bitsdojo_window: ^0.1.1+1
   flutter_acrylic: ^0.1.0
+  desktop_drop: ^0.1.2
 
 dev_dependencies:
   flutter_test:

windows/flutter/generated_plugin_registrant.cc

@@ -7,11 +7,14 @@
 #include "generated_plugin_registrant.h"
 
 #include <bitsdojo_window_windows/bitsdojo_window_plugin.h>
+#include <desktop_drop/desktop_drop_plugin.h>
 #include <flutter_acrylic/flutter_acrylic_plugin.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
   BitsdojoWindowPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("BitsdojoWindowPlugin"));
+  DesktopDropPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("DesktopDropPlugin"));
   FlutterAcrylicPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("FlutterAcrylicPlugin"));
 }

windows/flutter/generated_plugins.cmake

@@ -4,6 +4,7 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   bitsdojo_window_windows
+  desktop_drop
   flutter_acrylic
 )