new-gui/window.go

package gui

import (
	"log"
)

import toolkit "git.wit.org/wit/gui/toolkit/andlabs"

// This routine creates a blank window with a Title and size (W x H)
//
// This routine can not have any arguements due to the nature of how
// it can be passed via the 'andlabs/ui' queue which, because it is
// cross platform, must pass UI changes into the OS threads (that is
// my guess).
func NewWindow() *Node {
	var n *Node
	var t *toolkit.Toolkit

	title := Config.Title
	w     := Config.Width
	h     := Config.Height
	// f     := Config.Exit

	// Windows are created off of the master node of the Binary Tree
	n = Config.master.New(title)

	n.OnChanged = Config.Exit

	t = toolkit.NewWindow(title, w, h)
	t.Custom = func () {
		if (Config.Options.Debug) {
			log.Println("Got to wit/gui Window Close START user defined close()")
		}
		if (n.OnChanged != nil) {
			if (Config.Options.Debug) {
				log.Println("Got to wit/gui Window Close SKIP node.custom() == nil")
			}
			n.OnChanged(n)
			return
		}
		StandardExit(n)
	}
	n.toolkit = t
	return n
}