Function newTreeNode

gui/tree.go:196–221

TreeNode methods newTreeNode creates and returns a pointer to a new TreeNode with the specified text, tree and parent node

(text string, tree *Tree, parNode *TreeNode)

// newTreeNode creates and returns a pointer to a new TreeNode with
// the specified text, tree and parent node
func newTreeNode(text string, tree *Tree, parNode *TreeNode) *TreeNode {

	n := new(TreeNode)
	n.Panel.Initialize(n, 0, 0)

	// Initialize node label
	n.label.initialize(text, StyleDefault().Font)
	n.Panel.Add(&n.label)

	// Create node icon
	n.icon.initialize("", StyleDefault().FontIcon)
	n.icon.SetFontSize(StyleDefault().Label.PointSize * 1.3)
	n.Panel.Add(&n.icon)

	// Subscribe to events
	n.Panel.Subscribe(OnMouseDown, n.onMouse)
	n.Panel.Subscribe(OnListItemResize, func(evname string, ev interface{}) {
		n.recalc()
	})
	n.tree = tree
	n.parNode = parNode

	n.update()
	n.recalc()
	return n
}

// Len returns the number of immediate children of this node
func (n *TreeNode) Len() int {