added process selection UI

lib/process_finder.dart

@@ -123,7 +123,7 @@ class ProcessFinder {
   }
 
   /// Returns a list of running processes on the current system.
-  static List<ProcessInfo> listRunningProcesses() {
+  static List<ProcessInfo> listRunningProcesses({int priority = 8}) {
     final processes = <ProcessInfo>[];
     final connected = _connect();
 
@@ -138,7 +138,7 @@ class ProcessFinder {
     // For example, query for all the running processes
     var hr = wbemServices.execQuery(
         TEXT('WQL'),
-        TEXT('SELECT * FROM Win32_Process WHERE Priority = 8'),
+        TEXT('SELECT * FROM Win32_Process WHERE Priority = $priority'),
         // ExecutablePath IS NOT NULL removed because apex legends
         WBEM_GENERIC_FLAG_TYPE.WBEM_FLAG_FORWARD_ONLY |
             WBEM_GENERIC_FLAG_TYPE.WBEM_FLAG_RETURN_IMMEDIATELY,

lib/rewards/crash_process_widget.dart

@@ -1,5 +1,9 @@
+import 'dart:async';
+
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:gap/gap.dart';
+import 'package:twitch_listener/process_finder.dart';
 import 'package:twitch_listener/reward.dart';
 import 'package:twitch_listener/reward_widget.dart';
 import 'package:twitch_listener/themes.dart';
@@ -18,19 +22,19 @@ class CrashProcessWidget extends StatefulWidget {
 class _State extends State<CrashProcessWidget> {
   @override
   void initState() {
-    _sceneNameController = TextEditingController(text: widget.action.target);
+    _processNameController = TextEditingController(text: widget.action.target);
     widget.saveHook.addHandler(_handleSave);
     super.initState();
   }
 
   @override
   void dispose() {
-    _sceneNameController.dispose();
+    _processNameController.dispose();
     widget.saveHook.removeHandler(_handleSave);
     super.dispose();
   }
 
-  late final TextEditingController _sceneNameController;
+  late final TextEditingController _processNameController;
 
   @override
   Widget build(BuildContext context) {
@@ -44,17 +48,37 @@ class _State extends State<CrashProcessWidget> {
         Expanded(
           child: TextFormField(
             maxLines: 1,
-            controller: _sceneNameController,
+            controller: _processNameController,
             style: const TextStyle(
               fontSize: 14,
             ),
             decoration: const DefaultInputDecoration(hintText: 'Process name'),
           ),
-        )
+        ),
+        const Gap(8),
+        ElevatedButton(onPressed: _selectProcess, child: const Text('Select'))
       ])
     ]);
   }
 
+  Future<void> _selectProcess() async {
+    final processName = await showModalBottomSheet<String>(
+        context: context,
+        constraints: const BoxConstraints(maxWidth: 512),
+        backgroundColor: const Color(0xFF404450),
+        shape: const RoundedRectangleBorder(
+          borderRadius: BorderRadius.only(
+              topRight: Radius.circular(8), topLeft: Radius.circular(8)),
+        ),
+        builder: (context) {
+          return _ProcessListWidget();
+        });
+
+    if (processName != null) {
+      _processNameController.text = processName;
+    }
+  }
+
   @override
   void didUpdateWidget(covariant CrashProcessWidget oldWidget) {
     if (widget.saveHook != oldWidget.saveHook) {
@@ -65,6 +89,110 @@ class _State extends State<CrashProcessWidget> {
   }
 
   void _handleSave() {
-    widget.action.target = _sceneNameController.text.trim();
+    widget.action.target = _processNameController.text.trim();
+  }
+}
+
+class _ProcessListWidget extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() => _ProcessListState();
+}
+
+class _ProcessListState extends State<_ProcessListWidget> {
+  @override
+  void initState() {
+    _searchController.addListener(_handleSearchQuery);
+    _runTickerLoop();
+    super.initState();
+  }
+
+  bool _disposed = false;
+  List<String> _processes = [];
+
+  void _runTickerLoop() async {
+    while (true) {
+      if (_disposed) break;
+
+      final processes = await compute(_getRunningProcesses, 8);
+      if (_disposed) break;
+
+      setState(() {
+        _processes = processes.map((e) => e.name).toSet().toList();
+        _processes.sort((a, b) => a.compareTo(b));
+      });
+    }
+  }
+
+  @override
+  void dispose() {
+    _searchController.removeListener(_handleSearchQuery);
+    _searchController.dispose();
+    _disposed = true;
+    super.dispose();
+  }
+
+  static List<ProcessInfo> _getRunningProcesses(int priority) {
+    ProcessFinder.initialize();
+
+    final data = ProcessFinder.listRunningProcesses(priority: priority);
+    ProcessFinder.uninitialize();
+
+    return data;
+  }
+
+  final _searchController = TextEditingController();
+
+  @override
+  Widget build(BuildContext context) {
+    final filtered = _processes
+        .where((p) => _q.isEmpty || p.toLowerCase().contains(_q))
+        .toList();
+
+    return Column(
+      children: [
+        Padding(
+          padding: const EdgeInsets.only(top: 16, left: 16, right: 16),
+          child: TextField(
+            maxLines: 1,
+            controller: _searchController,
+            style: const TextStyle(
+              fontSize: 14,
+            ),
+            decoration:
+                const DefaultInputDecoration(hintText: 'Type to search...'),
+          ),
+        ),
+        Expanded(
+            child: ListView.builder(
+                padding: const EdgeInsets.only(top: 8),
+                itemCount: filtered.length,
+                itemBuilder: (context, index) {
+                  final info = filtered[index];
+                  return InkWell(
+                    onTap: () => _selectProcess(context, info),
+                    child: Padding(
+                      padding: const EdgeInsets.symmetric(
+                          horizontal: 16, vertical: 8),
+                      child: Text(
+                        info,
+                        style: const TextStyle(color: Colors.white),
+                      ),
+                    ),
+                  );
+                }))
+      ],
+    );
+  }
+
+  String _q = '';
+
+  void _handleSearchQuery() {
+    setState(() {
+      _q = _searchController.text.toLowerCase().trim();
+    });
+  }
+
+  _selectProcess(BuildContext contex, String info) {
+    Navigator.pop(context, info);
   }
 }