72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
package gui
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import (
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"go.wit.com/log"
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"go.wit.com/gui/widget"
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)
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/*
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generic function to create a new node on the binary tree
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this is called each time you want a new widget
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and it initializes basic default values
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there isn't much to see here.
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*/
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func (n *Node) newNode(title string, t widget.WidgetType) *Node {
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var newN *Node
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newN = addNode()
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newN.progname = title
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newN.value = title
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newN.WidgetType = t
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// set these defaults
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newN.expand = true
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newN.pad = true
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newN.enabled = true
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newN.changed = true
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if n.WidgetType == widget.Grid {
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n.gridIncrement()
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}
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newN.AtW = n.NextW
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newN.AtH = n.NextH
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newN.hidden = n.hidden // by default, use the value from above
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n.children = append(n.children, newN)
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newN.parent = n
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return newN
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}
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/*
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raw create function for a new node struct and increments the counter
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*/
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func addNode() *Node {
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n := new(Node)
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n.id = me.counter
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log.Log(NODE, "addNode = widget setid =", n.id)
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me.counter += 1
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return n
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}
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func (n *Node) Parent() *Node {
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if ! n.Ready() { return n }
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return n.parent
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}
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func (n *Node) Delete(d *Node) {
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if ! n.Ready() { return }
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for i, child := range n.children {
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log.Log(NODE, "\t", i, child.id, child.progname)
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if (child.id == d.id) {
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log.Log(NODE, "\t\t Deleting this")
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n.children = append(n.children[:i], n.children[i+1:]...)
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return
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}
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}
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log.Warn("did not find node to delete", d.id, d.progname)
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}
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