package main import "github.com/andlabs/ui" import _ "github.com/andlabs/ui/winmanifest" func (t andlabsT) NewSpinner(title string, x int, y int) *andlabsT { // make new node here log(debugToolkit, "gui.Toolkit.NewSpinner()", x, y) var newt andlabsT if (t.uiBox == nil) { log(debugToolkit, "gui.ToolkitNode.NewSpinner() node.UiBox == nil. I can't add a range UI element without a place to put it") exit("internal golang wit/gui error") return nil } s := ui.NewSpinbox(x, y) newt.uiSpinbox = s newt.uiBox = t.uiBox t.uiBox.Append(s, stretchy) s.OnChanged(func(s *ui.Spinbox) { newt.commonChange("Spinner") }) return &newt }