package main import ( "fmt" "os" "gopkg.in/qml.v1" ) func ErrorWindow(err error) { engine := qml.NewEngine() component, e := engine.LoadString("local", qmlErr) if e != nil { fmt.Println("err:", err) os.Exit(1) } win := component.CreateWindow(nil) win.Root().ObjectByName("label").Set("text", err.Error()) win.Show() win.Wait() } const qmlErr = ` import QtQuick 2.0; import QtQuick.Controls 1.0; ApplicationWindow { width: 600; height: 150; flags: Qt.CustomizeWindowHint | Qt.WindowTitleHint | Qt.WindowCloseButtonHint title: "Error" Text { x: parent.width / 2 - this.width / 2; y: parent.height / 2 - this.height / 2; objectName: "label"; } } `