// Tweak prepares a build tweak to add desktop class informations for a launcher.
//
func Tweak(build cftype.Grouper, source datatype.Source, selected datatype.DesktopClasser) func(cftype.Builder) {
return func(build cftype.Builder) {
// Create a key for the hidden existing Origin entry.
keyOrigin := newkey.EmptyFull(cftype.DesktopEntry, "Origin")
// Check if a launcher origin has been set (as a desktop class file location).
keyOrigin.SetBuilder(build)
origins := keyOrigin.Value().String()
if origins == "" {
return
}
// Prepare the desktop class widget.
keyOrigin.SetMakeWidget(func(key *cftype.Key) {
w := Widget(source, selected, origins)
key.PackWidget(w, false, false, 0)
})
// Add the key to the builder.
build.AddKeys(cftype.DesktopEntry,
newkey.Frame(cftype.DesktopEntry, "FrameOrigin", "", ""), // A frame to close the expander.
keyOrigin)
}
}
