56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package tree
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/*
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These code should be common to all gui plugins
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There are some helper functions that are probably going to be
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the same everywhere. Mostly due to handling the binary tree structure
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and the channel communication
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For now, it's just a symlink to the 'master' version in
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./toolkit/nocui/common.go
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*/
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import (
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"go.wit.com/widget"
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)
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// searches the binary tree for a WidgetId
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func FindWidgetId(id int) *Node {
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return treeRoot.FindWidgetId(id)
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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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// Other goroutines must use this to access the GUI
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//
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// You can not acess / process the GUI thread directly from
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// other goroutines. This is due to the nature of how
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// Linux, MacOS and Windows work (they all work differently. suprise. surprise.)
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//
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// this sets the channel to send user events back from the plugin
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func (me *TreeInfo) Callback(guiCallback chan widget.Action) {
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me.callback = guiCallback
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}
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func (me *TreeInfo) PluginChannel() chan widget.Action {
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return me.pluginChan
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}
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