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package main
import (
"git.wit.org/wit/gui/toolkit"
)
// searches the binary tree for a WidgetId
func (n *node) findWidgetId(id int) *node {
if (n == nil) {
return nil
}
if n.WidgetId == id {
return n
}
for _, child := range n.children {
newN := child.findWidgetId(id)
if (newN != nil) {
return newN
}
}
return nil
}
func addWidget(a *toolkit.Action, tk *andlabsT) *node {
n := new(node)
n.WidgetType = a.WidgetType
n.WidgetId = a.WidgetId
n.ParentId = a.ParentId
// copy the data from the action message
n.Name = a.Name
n.Text = a.Text
n.I = a.I
n.S = a.S
n.B = a.B
n.X = a.X
n.Y = a.Y
n.W = a.W
n.H = a.H
n.AtW = a.AtW
n.AtH = a.AtH
// store the internal toolkit information
n.tk = tk
if (a.WidgetType == toolkit.Root) {
log(logInfo, "addWidget() Root")
return n
}
if (rootNode.findWidgetId(a.WidgetId) != nil) {
log(logError, "addWidget() WidgetId already exists", a.WidgetId)
return rootNode.findWidgetId(a.WidgetId)
}
// add this new widget on the binary tree
n.parent = rootNode.findWidgetId(a.ParentId)
if n.parent != nil {
n.parent.children = append(n.parent.children, n)
}
return n
}
func (n *node) doUserEvent() {
if (callback == nil) {
log(debugError, "doUserEvent() callback == nil", n.WidgetId)
return
}
var a toolkit.Action
a.WidgetId = n.WidgetId
a.Name = n.Name
a.Text = n.Text
a.S = n.S
a.I = n.I
a.B = n.B
a.ActionType = toolkit.User
log(logInfo, "doUserEvent() START: send a user event to the callback channel")
callback <- a
log(logInfo, "doUserEvent() END: sent a user event to the callback channel")
return
}
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