Method moveUpEvent

core/tree.go:950–958

moveUpEvent moves the selection up to previous element in the tree, using given select mode (from keyboard modifiers). Sends select event for newly selected item.

(selMode events.SelectModes)

// using given select mode (from keyboard modifiers).
// Sends select event for newly selected item.
func (tr *Tree) moveUpEvent(selMode events.SelectModes) *Tree {
	nn := tr.moveUp(selMode)
	if nn != nil && nn != tr {
		nn.SetFocus()
		nn.ScrollToThis()
		tr.sendSelectEvent()
	}
	return nn
}

// treePageSteps is the number of steps to take in PageUp / Down events
const treePageSteps = 10