用户 Windows 实测:日志"托盘已就绪"无报错、不在折叠区,但任务栏无图标。 源码级定位:tray_manager 0.5.3 Windows 原生端用 LoadImage(IMAGE_ICON, LR_LOADFROMFILE) 加载图标文件——该 Win32 API 只认 .ico,传入 png 返回 NULL → Shell_NotifyIcon 添加成功但图标为空 → 任务栏 不显示且全程无任何报错(mac 走 base64+NSImage 另一条路径所以正常)。 修复:Windows 托盘改用 assets/tray_icon_win.ico(16/24/32 三尺寸 PNG-in-ICO, gen_app_icons.dart 生成,python struct 校验目录项 offset 严格对齐;ico 随 flutter_assets 打包,Debug/Release/Inno 全形态生效);删除无效的 tray_icon_win.png;AppTray 按平台选路径。
84 lines
2.3 KiB
Dart
84 lines
2.3 KiB
Dart
import 'dart:io';
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import 'package:tray_manager/tray_manager.dart';
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import 'package:window_manager/window_manager.dart';
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import '../agent.dart';
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/// 后台托盘:点窗口关闭按钮 = 隐藏窗口进后台(服务继续运行),
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/// 托盘常驻(mac 菜单栏 template 图标 / Windows 系统托盘彩色图标),
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/// 单击/双击托盘恢复窗口,右键弹菜单,退出入口只放在托盘菜单里。
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class AppTray with TrayListener, WindowListener {
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AppTray({required this.agent});
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final Agent agent;
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static const _menuShow = 'menu_show';
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static const _menuExit = 'menu_exit';
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bool _started = false;
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Future<void> start() async {
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if (_started) return;
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_started = true;
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windowManager.addListener(this);
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await windowManager.setPreventClose(true);
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await trayManager.setIcon(
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Platform.isMacOS ? 'assets/tray_icon_mac.png' : 'assets/tray_icon_win.ico',
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);
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await trayManager.setToolTip('资安信插件助手 · 饭卡打印(后台运行中)');
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await trayManager.setContextMenu(_menu);
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trayManager.addListener(this);
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agent.log.write('托盘已就绪:关闭窗口将最小化到托盘,服务持续运行');
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}
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// ---------------- 窗口事件 ----------------
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@override
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void onWindowClose() async {
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// 关窗不退出:隐藏窗口,服务与托盘保持运行
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await windowManager.hide();
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}
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// ---------------- 托盘事件 ----------------
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@override
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void onTrayIconMouseDown() => _showWindow();
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@override
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void onTrayIconRightMouseDown() {
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trayManager.popUpContextMenu();
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}
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@override
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void onTrayMenuItemClick(MenuItem menuItem) async {
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switch (menuItem.key) {
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case _menuShow:
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await _showWindow();
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case _menuExit:
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await _exitApp();
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}
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}
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Menu get _menu => Menu(
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items: [
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MenuItem(key: _menuShow, label: '显示主界面'),
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MenuItem.separator(),
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MenuItem(key: _menuExit, label: '退出'),
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],
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);
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Future<void> _showWindow() async {
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await windowManager.show();
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await windowManager.focus();
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}
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Future<void> _exitApp() async {
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agent.log.write('用户从托盘退出,停止服务');
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await agent.stop();
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await trayManager.destroy();
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await windowManager.destroy();
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}
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}
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