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flutter_systray

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Systray plugin for go-flutter-desktop based on go systray project.

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# flutter_systray

Flutter Systray is a plugin for `go-flutter-desktop` that enables support for systray menu for desktop flutter apps.

Supports `MacOS`, `Windows` and `Linux` platforms via [`trayhost`](https://github.com/shurcooL/trayhost)

This plugin implements limited support. There are no submenus, checkboxes and such. PRs are welcome.

Don't forget to check the example app!

## Getting Started

Install the plugin as is customary.

Import as:
```go
import "github.com/JanezStupar/flutter_systray"
```

Then add the following option to your go-flutter [application options](https://github.com/go-flutter-desktop/go-flutter/wiki/Plugin-info):
```go
flutter.AddPlugin(&flutter_systray.FlutterSystrayPlugin{})
```
## API

Below we initialize the systray menu and give it a focus action that bring the flutter app window to front.
```dart
MainEntry main = MainEntry(
  title: "title",
  iconPath: path,
);

FlutterSystray.initSystray(main).then((result) {
    FlutterSystray.updateMenu([
      SystrayAction(
          name: "focus",
          label: "Focus",
          tooltip: "Bring application window into focus",
          iconPath: '',
          actionType: ActionType.Focus),
    ]);
});
```
`MainEntry` - represents the root node of the systray menu. It can have an icon (Win, Linux, Mac) or/and a title and tooltip (Mac).
`[]SystrayAction` - a list of systray menu actions. Actions can have an icon, title and tooltip. Name serves as unique identifier.

To change the actions we can call `updateMenu` function, note that updateMenu will replace existing menu items:
```dart
FlutterSystray.updateMenu([
SystrayAction(
    name: "counterEvent",
    label: "Counter event",
    tooltip: "Will notify the flutter app!",
    iconPath: '',
    actionType: ActionType.SystrayEvent),
SystrayAction(
    name: "systrayEvent2",
    label: "Event 2",
    tooltip: "Will notify the flutter app!",
    iconPath: '',
    actionType: ActionType.SystrayEvent),
SystrayAction(
    name: "quit", label: "Quit", tooltip: "Close the application", iconPath: '', actionType: ActionType.Quit)
]);
```

We can also register callback handlers for events triggered by systray:
```dart 
FlutterSystray systemTray = FlutterSystray.init();
systemTray.registerEventHandler("counterEvent", () {
  setState(() {
    _counter += 1;
  });
});
```

Flutter Systray matches callbacks by `SystrayAction.name` property.

## Available SystrayActions

At the moment Flutter Systray supports three kinds of actions, which allow you to call platform operation and  trigger custom events in your flutter app:
```dart
enum ActionType {
  Quit, // Action will trigger application shutdown
  Focus, // Action will trigger GLFW `window.Show` and bring flutter app to front
  SystrayEvent // Action will trigger an event that will call a registered callback in flutter app
}
```

flutter_systray

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