stash/vendor/github.com/kermieisinthehouse/systray/README.md

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systray is a cross-platform Go library to place an icon and menu in the notification area.
This is a fork of the abandoned https://github.com/getlantern/systray with pull requests reviewed and merged, and bugs fixed.
## Features
* Supported on Windows, macOS, and Linux
* Menu items can be checked and/or disabled
* Methods may be called from any Goroutine
## API
```go
func main() {
systray.Run(onReady, onExit)
}
func onReady() {
systray.SetIcon(icon.Data)
systray.SetTitle("Awesome App")
systray.SetTooltip("Pretty awesome超级棒")
mQuit := systray.AddMenuItem("Quit", "Quit the whole app")
// Sets the icon of a menu item. Only available on Mac and Windows.
mQuit.SetIcon(icon.Data)
}
func onExit() {
// clean up here
}
```
See [full API](https://pkg.go.dev/github.com/getlantern/systray?tab=doc) as well as [CHANGELOG](https://github.com/getlantern/systray/tree/master/CHANGELOG.md).
## Try the example app!
Have go v1.12+ or higher installed? Here's an example to get started on macOS:
```sh
git clone https://github.com/getlantern/systray
cd example
env GO111MODULE=on go build
./example
```
On Windows, you should build like this:
```
env GO111MODULE=on go build -ldflags "-H=windowsgui"
```
The following text will then appear on the console:
```sh
go: finding github.com/skratchdot/open-golang latest
go: finding github.com/getlantern/systray latest
go: finding github.com/getlantern/golog latest
```
Now look for *Awesome App* in your menu bar!
![Awesome App screenshot](example/screenshot.png)
## The Webview example
The code under `webview_example` is to demostrate how it can co-exist with other UI elements. Note that the example doesn't work on macOS versions older than 10.15 Catalina.
## Platform notes
### Linux
* Building apps requires gcc as well as the `gtk3` and `libayatana-appindicator` development headers to be installed. For Debian or Ubuntu, you may install these using:
```sh
sudo apt-get install gcc libgtk-3-dev libappindicator3-dev
```
On Linux Mint, `libxapp-dev` is also required .
To build `webview_example`, you also need to install `libwebkit2gtk-4.0-dev` and remove `webview_example/rsrc.syso` which is required on Windows.
### Windows
* To avoid opening a console at application startup, use these compile flags:
```sh
go build -ldflags -H=windowsgui
```
### macOS
On macOS, you will need to create an application bundle to wrap the binary; simply folders with the following minimal structure and assets:
```
SystrayApp.app/
Contents/
Info.plist
MacOS/
go-executable
Resources/
SystrayApp.icns
```
When running as an app bundle, you may want to add one or both of the following to your Info.plist:
```xml
<!-- avoid having a blurry icon and text -->
<key>NSHighResolutionCapable</key>
<string>True</string>
<!-- avoid showing the app on the Dock -->
<key>LSUIElement</key>
<string>1</string>
```
Consult the [Official Apple Documentation here](https://developer.apple.com/library/archive/documentation/CoreFoundation/Conceptual/CFBundles/BundleTypes/BundleTypes.html#//apple_ref/doc/uid/10000123i-CH101-SW1).
## Credits
- https://github.com/xilp/systray
- https://github.com/cratonica/trayhost