package tree

/*
	There are some helper functions that are probably going to be
	the same everywhere. Mostly due to handling the binary tree structure
	and the channel communication
*/

import (
	"go.wit.com/widget"
)

// this is the root node of the binary tree
// There is only one of these per application
var treeRoot *Node

type TreeInfo struct {
	PluginName string

	// this is the channel we send user events like
	// mouse clicks or keyboard events back to the program
	callback chan widget.Action

	// this is the channel we get requests to make widgets
	pluginChan chan widget.Action

	// NodeI             interface{}

	// ActionFromChannel func(widget.Action)
	NodeAction   func(*Node, widget.ActionType)
	Add          func(*Node)
	AddText      func(*Node, string)
	SetText      func(*Node, string)
	SetTitle     func(*Node, string)
	SetLabel     func(*Node, string)
	SetChecked   func(*Node, bool)
	ToolkitClose func()
}

type Node struct {
	Parent   *Node
	children []*Node

	WidgetId   int // widget ID
	WidgetType widget.WidgetType
	ParentId   int // parent ID

	State widget.State

	ddStrings []string

	// the internal plugin toolkit structure
	// in the gtk plugin, it has gtk things like margin & border settings
	// in the text console one, it has text console things like colors for menus & buttons
	TK any
}