package main
import (
"fmt"
"log"
"net"
"net/http"
"github.com/webview/webview"
)
var counter = 0
func handleRPC(w webview.WebView, data string) {
switch {
case data == "add":
counter++
case data == "sub":
counter--
}
w.Eval(fmt.Sprintf(`counter.innerHTML = "Counter: " + %d;`, counter))
}
func main() {
url := startServer()
w := webview.New(true)
defer w.Destroy()
w.SetTitle("example")
w.SetSize(800, 600, webview.HintNone)
w.Bind("add", handleRPC)
w.Navigate(url)
w.Run()
}
func startServer() string {
ln, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
log.Fatal(err)
}
go func() {
defer ln.Close()
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(indexHTML))
})
log.Fatal(http.Serve(ln, nil))
}()
fmt.Println("http://" + ln.Addr().String())
return "http://" + ln.Addr().String()
}
var indexHTML = `
`