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wails/v3/examples/badge/main.go

96 lines
2.9 KiB
Go

package main
import (
"embed"
_ "embed"
"log"
"time"
"github.com/wailsapp/wails/v3/pkg/application"
"github.com/wailsapp/wails/v3/pkg/services/badge"
)
// Wails uses Go's `embed` package to embed the frontend files into the binary.
// Any files in the frontend/dist folder will be embedded into the binary and
// made available to the frontend.
// See https://pkg.go.dev/embed for more information.
//go:embed all:frontend/dist
var assets embed.FS
// main function serves as the application's entry point. It initializes the application, creates a window,
// and starts a goroutine that emits a time-based event every second. It subsequently runs the application and
// logs any error that might occur.
func main() {
// Create a new Wails application by providing the necessary options.
// Variables 'Name' and 'Description' are for application metadata.
// 'Assets' configures the asset server with the 'FS' variable pointing to the frontend files.
// 'Bind' is a list of Go struct instances. The frontend has access to the methods of these instances.
// 'Mac' options tailor the application when running an macOS.
badgeService := badge.New()
app := application.New(application.Options{
Name: "badge",
Description: "A demo of using raw HTML & CSS",
Services: []application.Service{
application.NewService(badgeService),
},
Assets: application.AssetOptions{
Handler: application.AssetFileServerFS(assets),
},
Mac: application.MacOptions{
ApplicationShouldTerminateAfterLastWindowClosed: true,
},
})
// Create a new window with the necessary options.
// 'Title' is the title of the window.
// 'Mac' options tailor the window when running on macOS.
// 'BackgroundColour' is the background colour of the window.
// 'URL' is the URL that will be loaded into the webview.
app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{
Title: "Window 1",
Mac: application.MacWindow{
InvisibleTitleBarHeight: 50,
Backdrop: application.MacBackdropTranslucent,
TitleBar: application.MacTitleBarHiddenInset,
},
BackgroundColour: application.NewRGB(27, 38, 54),
URL: "/",
})
app.OnEvent("remove:badge", func(event *application.CustomEvent) {
err := badgeService.RemoveBadge()
if err != nil {
log.Fatal(err)
}
})
app.OnEvent("set:badge", func(event *application.CustomEvent) {
text := event.Data.(string)
err := badgeService.SetBadge(text)
if err != nil {
log.Fatal(err)
}
})
// Create a goroutine that emits an event containing the current time every second.
// The frontend can listen to this event and update the UI accordingly.
go func() {
for {
now := time.Now().Format(time.RFC1123)
app.EmitEvent("time", now)
time.Sleep(time.Second)
}
}()
// Run the application. This blocks until the application has been exited.
err := app.Run()
// If an error occurred while running the application, log it and exit.
if err != nil {
log.Fatal(err)
}
}