func setActionImage(action *walk.Action, image interface{}) (err error) {
var img walk.Image
switch image := image.(type) {
case nil:
return nil
case *walk.Bitmap:
img = image
case string:
if img, err = imageFromFile(image); err != nil {
return
}
}
if bmp, ok := img.(*walk.Bitmap); ok {
return action.SetImage(bmp)
}
return errors.New("invalid type for Image")
}
func (m Menu) createAction(builder *Builder, menu *walk.Menu) (*walk.Action, error) {
subMenu, err := walk.NewMenu()
if err != nil {
return nil, err
}
var action *walk.Action
if menu == nil {
action = walk.NewMenuAction(subMenu)
} else if action, err = menu.Actions().AddMenu(subMenu); err != nil {
return nil, err
}
if err := action.SetText(m.Text); err != nil {
return nil, err
}
if err := setActionImage(action, m.Image); err != nil {
return nil, err
}
for _, item := range m.Items {
if _, err := item.createAction(builder, subMenu); err != nil {
return nil, err
}
}
if m.OnTriggered != nil {
action.Triggered().Attach(m.OnTriggered)
}
if m.AssignActionTo != nil {
*m.AssignActionTo = action
}
if m.AssignTo != nil {
*m.AssignTo = subMenu
}
return action, nil
}