github.com/shurcool/trayhost@v0.0.0-20181020202213-114974ef9e16/trayhost_test.go

package trayhost_test

import (
	"fmt"
	"io/ioutil"
	"log"
	"os"
	"path/filepath"
	"time"

	"github.com/shurcooL/trayhost"
)

func Example() {
	menuItems := []trayhost.MenuItem{
		{
			Title: "Example Item",
			Handler: func() {
				fmt.Println("do stuff")
			},
		},
		{
			Title: "Get Clipboard Content",
			Handler: func() {
				cc, err := trayhost.GetClipboardContent()
				if err != nil {
					fmt.Printf("GetClipboardContent() error: %v\n", err)
					return
				}

				fmt.Printf("Text: %q\n", cc.Text)
				fmt.Printf("Image: %v len(%v)\n", cc.Image.Kind, len(cc.Image.Bytes))
				fmt.Printf("Files: len(%v) %v\n", len(cc.Files), cc.Files)
			},
		},
		{
			Title: "Set Clipboard Text",
			Handler: func() {
				const text = "this text gets copied"

				trayhost.SetClipboardText(text)
				fmt.Printf("Text %q got copied into your clipboard.\n", text)
			},
		},
		{
			// Displaying notifications requires a proper app bundle and won't work without one.
			// See https://godoc.org/github.com/shurcooL/trayhost#hdr-Notes.

			Title: "Display Notification",
			Handler: func() {
				notification := trayhost.Notification{
					Title:   "Example Notification",
					Body:    "Notification body text is here.",
					Timeout: 3 * time.Second,
					Handler: func() {
						fmt.Println("do stuff when notification is clicked")
					},
				}
				if cc, err := trayhost.GetClipboardContent(); err == nil && cc.Image.Kind != "" {
					// Use image from clipboard as notification image.
					notification.Image = cc.Image
				}
				notification.Display()
			},
		},
		trayhost.SeparatorMenuItem(),
		{
			Title:   "Quit",
			Handler: trayhost.Exit,
		},
	}

	// On macOS, when you run an app bundle, the working directory of the executed process
	// is the root directory (/), not the app bundle's Contents/Resources directory.
	// Change directory to Resources so that we can load resources from there.
	ep, err := os.Executable()
	if err != nil {
		log.Fatalln("os.Executable:", err)
	}
	err = os.Chdir(filepath.Join(filepath.Dir(ep), "..", "Resources"))
	if err != nil {
		log.Fatalln("os.Chdir:", err)
	}

	// Load tray icon.
	iconData, err := ioutil.ReadFile("icon@2x.png")
	if err != nil {
		log.Fatalln(err)
	}

	trayhost.Initialize("Example App", iconData, menuItems)

	trayhost.EnterLoop()
}