Imports fyne.io/fyne/v2 fyne.io/fyne/v2/app fyne.io/fyne/v2/container fyne.io/fyne/v2/driver/desktop fyne.io/fyne/v2/theme fyne.io/fyne/v2/widget github.com/skratchdot/open-golang/open Standard library imports cmp fmt io/fs os path/filepath slices strings sync syscall time