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